Abstract: “Flairosol” dispensing devices are presented. They utilize a combination of Flair® technology, precompression valves and aerosol like pressurization of the dispensed liquid. An exemplary device has a main body comprising a pressure chamber, the latter being provided with a pressure piston and a pressure spring, a piston and a piston chamber which draws liquid from a container, and fills the pressure chamber with that liquid as a user operates a trigger in various compression and release strokes. The piston chamber has both an inlet valve and an outlet valve, which serve to prevent backflow. A dome valve can be provided near the outlet channel at the top of the dispensing head, such that once its pressure is exceeded by the liquid, it opens and allows for a spray. Alternatively, in an activated embodiment, the dome valve is locked unless opened by a user.

Abstract: A packet having: a group of articles; a sealed package enclosing the group of articles and having a first cover flap, which is defined by a first cut through the sealed package and is movable to allow access to the group of articles; a rigid container enclosing the sealed package and having a second cover flap, which is defined by a second cut through the container, is superimposed on the first cover flap of the sealed package, and is movable to allow access to the sealed package; and a reclosable adhesive panel, which is coated on the inside with re-stick adhesive, and has a grip tab with no re-stick adhesive and located at an edge of the adhesive panel.

Abstract: A container for solar string transportation includes, on the inside of a solar-string storing section, a long-side side plate, and a short-side side plate, and has an upper opening of the solar-string storing section for loading and unloading, and a pair of solar-string lifting/lowering devices along the inner wall of the long-side side plate. The solar-string lifting/lowering device includes a driving gear section set on the bottom plate side, an endless chain member that revolves around a direction changing gear section set on the upper opening side, a plurality of solar-string placing devices fixed to the endless chain member and including, on the outer side thereof, a projecting section for placing the lower surface of an end edge of the solar string, and a shock absorbing member fixed to the back of the solar-string placing devices. The shock absorbing member holds the end edge upper surface of the solar string.

Abstract: A pad of the optionally flexible, disc-shaped/flat type filled with a product to be extracted and/or a product to be dissolved, provided with an optionally flexible bottom sheet and an optionally flexible top sheet manufactured from, the top sheet and the bottom sheet being interconnected at their longitudinal edges so that a covering with a circumferential sealing seam is formed, with the product situated between the top sheet and the bottom sheet, the bottom sheet and the top sheet each forming a filter which is at least virtually impermeable to the product and which is at least permeable to water, while an area of the covering is designed to be at least virtually impermeable to water, the area comprising, preferably, at least one annular sub-area covering at least a part of the sealing seam, and that the area extends outside the sealing seam at predetermined positions.

Abstract: This disclosure relates to a system and method for insulating a mill product during a transporting and storing process. The system includes a platform, an insulated enclosure, and an actuator system. The platform is capable of supporting the insulated enclosure and the mill product. The insulated enclosure includes a first clamshell enclosure member and a second clamshell enclosure member supported on the platform. Each enclosure member has an open position and a closed position. When each enclosure member is in the open position, the mill product supported on the platform within the enclosure may be accessed. When each enclosure member is in the closed position, the mill product is thermally insulated within the enclosure. The actuator system can move the clamshell enclosures between their open and closed positions.

Abstract: Methods for facilitating hygienic storage and disposal of waste packages such as used with disposable diapers includes a housing, a rotatable member, and a bag unit having a bag frame and attached single use flexible bag. The user aligns and releasably mounts the bag frame to the housing. The rotatable member has a plurality of inwardly extending fingers. The inwardly extending fingers have a bag contact surface that operatively interacts with the single use flexible bag. A temporary seal is created by twisting a portion of the single use flexible bag with the rotatable member and the package is pushed through the twist for disposal.

Abstract: The disclosed inventory system and methods can be used to improve storage time for storing less frequency accessed inventory items. Specifically, a mobile drive unit may be selected from a plurality of mobile drive units to store an inventory item by obtaining storage densities of available storage locations and selecting a storage location for an inventory item based on the projected frequency of access of the inventory item. An overhead drive unit may be selected over a ground drive unit to store less-frequently accessed inventory items in densely-packed storage areas. Inventory holders may be selected based on projected frequency of access of other inventory items stored therein.

Abstract: A belt having a longitudinal direction extending around the first wheel and the second wheel and forming a closed shape with a circumference in the longitudinal direction. The belt has a first rigid portion and a second rigid portion each extending from the first wheel to the second wheel. The belt may be included in a drive mechanism including a first wheel, a second wheel. Accordingly, when the first wheel is rotated about its axis of rotation the rotation causes movement of the belt along the longitudinal direction such that the first rigid portion provides a pushing force on the second wheel, and the second rigid portion provides a pulling force on the second wheel. Drive mechanisms may have a longitudinal gap between a belt and wheels of the belt. Belts may have a v-shaped or arcuate cross-section. Belts may have multiple layers.

Abstract: A cartridge assembly for use in a load zone support includes a shaft that is able to be connected to an idler frame of a belt conveyor system. The cartridge assembly further includes a support plate coupled to the shaft and a wear pad coupled to the support plate.

Abstract: The belt tracking guide provides a stationary device that secures to a side rail of the conveyor system. The belt of the conveyor system travels between the two rails to transport objects through the conveyor system. The guides attach to the side rails allowing the belt to travel adjacent the guides. Each guide provides an upper guide finger and a lower guide finger. The guide fingers form a guide aperture located between the fingers. The belt travels through the guide apertures between the guide fingers. The guide finger redirects the belt away from the guide to center the belt.

Abstract: A conveying system includes several conveying sections that are driven in each case by an individual drive. A regulation unit for regulating a regulated drive of one of the two conveying sections includes a measuring device and a regulating device. The measuring device measures loading of the conveying system in a coupling region between the conveying section and another conveying section. The regulating device regulates the regulated drive in accordance with the measured loading.

Abstract: A product conveying and accumulation system utilizes multiple moving conveyors, including a first conveyor which transports product from an upstream location. A second accumulator conveyor, curvilinear in configuration, traveling at substantially the same or similar speed or a designated variable speed as the first conveyor, is aligned in the same plane as, is adjacent to, and may mate with the first conveyor at a predetermined location for contiguous movement in the same direction as the first conveyor at this predetermined location. A third accumulator conveyor is located within the curvilinear conveyor and substantially within the same transverse plane as the first and second conveyors. The presence of this third accumulator component into the conveyor system permits additional products to accumulate and circulate on and then ultimately be discharged from the conveyor system.

Abstract: The disclosure describes, in part, a system and method for improving the stacking of containers on or in a transportation unit. In some implementations, a stacking configuration may be planned that identifies containers and a position for those containers in the stacking configuration. The stacking configuration may be planned based on dimension values of the containers such that when stacked the stacking configuration remains stable. In addition, to improve the efficiency at which containers may be stacked, the disclosure describes that containers and/or the picking of items for those containers may be sequenced so that the containers, when packed and routed, arrive in a manner that allows efficient stacking.

Abstract: A sheet storage apparatus includes a storage apparatus body, a sheet stacking portion, a rear end regulation member, and a rear end regulation attachment. The sheet stacking portion has an opening opened in an upward and downward direction, and is movable upward and downward with respect to a bottom portion of the storage apparatus body. The rear end regulation attachment is detachably attached to the rear end regulation member, which regulates an upstream end position in the sheet feed direction of the sheet stacked on the sheet stacking portion. The rear end regulation attachment includes a regulating portion that extends toward the bottom portion through the opening. The rear end regulation attachment regulates the upstream end of the sheet on a position downstream, in the sheet feed direction, of a regulating position of the rear end regulation member.

Abstract: A sheet processing apparatus, comprising a thickness detecting device, the thickness detecting device including: a plurality of conductive displacement members; a plurality of resonance circuits that are disposed to correspond to the plurality of displacement members, each include a coil facing the corresponding displacement member and a capacitor, and neighboring resonance circuits resonate at different resonance frequencies; and a calculator that calculates a thickness of the sheet based on impedance values of the plurality of resonance circuits and the plurality of displacement members.

Abstract: An image forming apparatus, including: a decision unit configured to decide a size of a recording material on a manual feed tray; a storage unit configured to store the size of the recording material decided by the decision unit when the image forming apparatus is shifted from a first mode in which power is supplied to the decision unit to a second mode in which the power is not supplied to the decision unit; a display unit configured to display information; and a control unit configured to cause the display unit to display a screen for confirming the size of the recording material on the manual feed tray in a case where the size of the recording material decided by the decision unit when the apparatus is shifted from the second mode to the first mode does not match the size of the recording material stored in the storage unit.

Abstract: Systems and methods for deskewing a media object may include receiving, at a deskew of a self-service terminal, the media object. The method may also include engaging a drive member to position the media object into a first position within the deskew. A deskew member may be engaged in a first direction to position the media object into a second position within the deskew. The deskew member may be engaged in a second direction to position the media object into a third position within the deskew.

Abstract: A sheet conveying apparatus that restricts conveyance of sheets to a post-processing apparatus which has become incapable of continuing a post-processing operation. The sheet conveying apparatus is communicably connected to the post-processing apparatus that performs post-processing on a sheet bundle formed by sheets. The sheet conveying apparatus includes a conveying unit for conveying sheets and an escape tray for receiving conveyed sheets which are not conveyed to the post-processing apparatus. A value corresponding to the number of sheet bundles formed by conveyed sheets is counted. A CPU circuit section determines based on communication with the post-processing apparatus whether or not the post-processing operation can be continued thereby. When it is determined that the post-processing operation cannot be continued, the CPU circuit section switches the sheet conveying destination from the post-processing apparatus to the escape tray, based on the counted value.

Abstract: A printing control apparatus that can perform a binding processing without staples and a binding processing with staples includes a printing unit to print image data on a sheet, and a control unit that controls, in a case where image data is printed on sheets for test printing, a second binding unit to perform a binding processing for binding a plurality of printed sheets without staples, and controls, in a case where image data is printed on sheets after test printing, a first binding unit to perform a binding processing for binding a plurality of printed sheets with a staple.

Abstract: An apparatus for folding in two a continuous web (10) that advances in a longitudinal direction (A), comprising: a folding station (22) designed to fold said continuous web (10) along a line of longitudinal folding (B) parallel to said longitudinal direction (A); and an alignment station (24) for mutual alignment of opposite longitudinal edges (14) of said continuous web (10), wherein said alignment station (24) comprises two suction belt conveyors (42, 44) having respective branches facing one another (50, 52) designed to pick up by means of suction respective folded sections (34, 32) of said web (10), said suction belt conveyors (42, 44) being mobile in a transverse direction (D) and being associated to a control device (72) designed to move said suction belt conveyors (42, 44) by the same amount and in opposite directions in said transverse direction (D) as a function of information on the position of said longitudinal edges (14).

Abstract: A spool assembly comprising a housing structure, a spool rotatably retained in an interior region of the housing structure, and a sealed sheath encasing the housing structure to define a barrier for the encased housing structure and the rotatably retained spool. The spool assembly further comprises a locking arm disposed outside of the sealed sheath and configured to operably engage the spool through the sealed sheath and through the housing structure in a manner that does not penetrate the sealed sheath, where the locking arm prevents the spool from rotating relative to the housing mechanism when operably engaged with the spool. The locking arm may disengage from the spool in a hands-free manner when the spool assembly is loaded into a bay of an additive manufacturing system.

Abstract: A reel and a method for use of same are arranged for supporting a cable drum. The reel comprises a reeling device for controlling the cable and at least one drive unit for provision of rotation of the cable drum for out- and in-winding of the cable, where the reeling device comprises two cable guiding portions which in a position of use are held at a mutual distance and connected to a reeling carriage by brackets arranged in each of the end portions of the cable guiding portions. At least one portion of the reeling device is releasably arranged to the reeling carriage so that the cable guiding portion or parts of this may be lifted out of, or displaced to the side in the framework, so that the cable drum may be removed from the reel.

Abstract: A method is provided for condition monitoring of a rope of an elevator including an elevator car and a rope wheel arrangement, which rope is connected to the elevator car and passes around at least one rope wheel included in the rope wheel arrangement.

Abstract: The apparatus includes a positioning unit and an alignment unit. The positioning unit extends across the elevator shaft in a second direction and comprises at each end a first attachment mechanism movable in the second direction for supporting the positioning unit on opposite wall structures in the elevator shaft. The alignment unit extends across the elevator shaft in the second direction and is supported with support parts on each end portion of the positioning unit. Each end portion of the alignment unit is individually movable in relation to the positioning unit in a third direction perpendicular to the second direction. The alignment unit includes further at each end a second attachment mechanism movable in the second direction for supporting the alignment unit on opposite guide rails in the shaft. The second attachment mechanism includes a gripper for gripping on the guide rail.

Abstract: An elevator damping unit for reducing vertical oscillations of an elevator car when at a standstill, has brake shoe retainers provided with brake shoes. The brake shoe retainers are connected to a common electric motor via a toothed gear mechanism. The toothed gear mechanism has a central driving gearwheel, which adjoins a drive shaft of the motor, and eccentric gearwheels, which are each assigned to one of the brake shoes and are in operative connection with the driving gearwheel. The brake shoes are supported resiliently on the respective brake shoe retainers in each case via two helical compression springs.

Abstract: In an elevator counterweight device, a frame body includes a first stile, a second stile, a crosshead provided between upper portions of the stiles, and a plank provided between lower portions of the stiles. On both sides of the frame body in a width direction thereof, a plurality of guide devices are provided. Each of the crosshead and the plank is coupled to the first stile and the second stile so as to be pivotable. Each of the guide devices is displaceable in the width direction of the frame body and a thickness direction of the frame body relative to the frame body, and is pivotable about an axis parallel to a vertical direction of the frame body as a center.

Abstract: The invention relates to a method, an apparatus, and a computer program product for controlling a container carrier comprising receiving position information (20) and receiving route information (22) in the cargo handling area (2) for the container carrier. The invention comprises assigning (24) to the cargo handling area (2) at least two portions comprising different speed categories in response to the route information (22), calculating the speed control information (28) at least in response to the speed category in the position of the container carrier, and sending the speed control information (28) to the drive control system.

Abstract: A lifting apparatus for lifting and lowering vehicles or the like, including a support which is movable up and down and on which a load receiver is provided, the load receiver having at least one supporting arm. An articulated connection is formed between the supporting arm and an add-on part and once the add-on part is oriented in an angular position with respect to the supporting arm, the add-on part and the supporting arm are mountable and fixable with respect to each other by a toothed element, a blocking element and a lock pin.

Abstract: The present invention relates to a filling device for food product packaging plants in special containers. Particularly, the invention relates to a filling device of the electronic type, in which a contact between the valve and the container to be filled does not occur.

Abstract: A beverage dispensing mixing nozzle for mixing a multi-component beverage mixture. The nozzle has a disruption plate for slowing and dispersing a dispensed fluid into an adjacent expansion region. The disruption plate and floor of the expansion region have turbulence-inducing surfaces to aid in mixing the fluid.

Abstract: A container (1) for storing a liquid foodstuff (4) and dispensing it under pressure in consumption portions via a closable dispensing channel, characterized in that it comprises a rigid outer container (2), a flexible inner container (3) for the foodstuff (4), and at least one intermediate container (5) surrounding the inner container (3), whereby an intermediate container (5) on the one hand, and another intermediate container (5) or the inner container (3) located within it on the other hand, define a space (16), whereby the space (16) is provided with a pressure medium and/or the container (1) is equipped with a connection (23) connected to the space for a pressure medium source (24).

Abstract: An apparatus configured to store and dispense liquid from a liquid retaining bag. The apparatus preferably includes a storage container for storing the liquid retaining bag. The liquid storage container and the liquid retaining bag are preferably housed in the bottom of a water cooler. The storage container includes a base, an upper opening and at least one wall extending upwardly from the base and defining a hollow cavity. The hollow cavity is sized to receive a liquid retaining bag. The apparatus further includes a liquid transport conduit for transporting liquid from the liquid retaining bag to a dispensing location. A guide and retaining member is operably associated with the storage container. The guide and retaining member is preferably configured to guide the liquid transport conduit from a first location to a second location.

Abstract: A semiconductor manufacturing process enables a complex multi-layer, silicon based MEMS devices, such as a gyroscope or accelerometer to be formed without using Silicon On Insulator (SOI) substrates and obviates the need to purchase and use SOI wafers as starting materials. The disclosed techniques further allows the etching of the sacrificial oxide to be “head started” prior to fusion bonding, thereby reducing the amount of release etching required at the end of the MEMS wafer processing.

Abstract: The present disclosure relates to a MEMS device with a hermetic sealing structure, and an associated method. In some embodiments, a first die and a second die are bonded at a bond interface region to form a chamber. A conformal thin film structure is disposed covering an outer sidewall of the bond interface region to provide hermetic sealing. In some embodiments, the conformal thin film structure is a continuous thin layer covering an outer surface of the second die and a top surface of the first die. In some other embodiments, the conformal thin film structure comprises several discrete thin film patches disposed longitudinal.

Abstract: In an embodiment, a process of making C2+ hydrocarbons comprises contacting a feed comprising a methane steam reforming gas and an additional carbon dioxide with a manganese oxide-copper oxide catalyst to produce a product syngas in a contacting zone under isothermal conditions at a temperature of 620 to 650° C.; and converting the product syngas to C2+ hydrocarbons in the presence of a Fischer-Tropsch catalyst; wherein the methane steam reforming gas has an initial H2:CO volume ratio greater than 3; wherein the product syngas has a H2:CO volume ratio of 1.5 to 3; and wherein the contacting further comprises removing water.

Abstract: A method for making a high activity ortho-para hydrogen conversion catalyst is set forth wherein a solution of ruthenium cation is mixed with a solution of a poorly coordinating anion such as aluminate to form a precipitate and the precipitate-containing solution is adjusted to a pH of 7 before recovering the catalyst. A product of this process and a method of using such product is disclosed.

Abstract: The invention relates to a four-component catalyst and a seven-component catalyst and refractory supports for use in the thermoneutral reforming of petroleum-based liquid hydrocarbon fuels.

Abstract: A filler that can suppress thermal expansion of a glass composition with a small amount thereof added and is also excellent in terms of flowability when the glass composition is melted, and a glass composition containing the filler are provided. There is also provided a process for producing a hexagonal phosphate-based compound that can be suitably used as the filler using a simple, industrially advantageous method. The filler of the present invention contains a hexagonal phosphate-based compound that has a purity of 90% or higher and is represented by the following Formula 1, the filler having a content of an ionic compound that is no greater than 1.0 wt %, KaZrb(PO4)3??(1) wherein, in Formula 1, a is a positive number of from 0.8 to 1.2 and b is a positive number satisfying a+4b=9.

Abstract: The present invention relates to a graphene-nanoparticle composite having a structure in which nanoparticles are crystallized in a carbon-based material, for example, graphene, at a high density, and, more particularly, to a graphene-nanoparticle composite capable of remarkably improving physical properties such as contact characteristics between basal planes of graphene and conductivity, wherein nanoparticles are included as a large amount of 30% by weight or more, based on 100% by weight of graphene, and crystallized nanoparticles have an average particle diameter of 200 nm or more, and a method of preparing the same.

Abstract: Methods for making carbon materials are provided. In at least one specific embodiment, the method can include combining one or more polymer precursors with one or more liquids to produce a mixture. The mixture can be an emulsion, dispersion, or a suspension. The liquid can include hexane, pentane, cyclopentane, benzene, toluene, o-xylene, m-xylene, p-xylene, diethyl ether, ethylmethylketone, dichloromethane, tetrahydrofuran, mineral oils, paraffin oils, vegetable derived oils, or any mixture thereof. The method can also include aging the mixture at a temperature and time sufficient for the polymer precursor to react and form polymer gel particles having a volume average particle size (Dv,50) of the polymer particles in gel form greater than or equal to 1 mm. The method can also include heating the polymer gel particles to produce a carbon material.

Abstract: The present invention relates to, inter alia, gyroidal mesoporous carbon materials and methods of use and manufacture thereof. In one embodiment, the present invention relates to a mesoporous carbon composition comprising a gyroidal mesoporous carbon having an ordered gyroidal structure and mesopores having a pore size of greater than 2 nanometers (nm) in diameter, and more particularly greater than 11 nm in diameter.

Abstract: Methods of controlling crystal polymorphism in organic-free synthesis of Na-Zeolites and the zeolite crystals formed using those methods are provided. The methods disclosed herein create certain types of zeolite crystals more efficiently than other previously known methods. The methods also create certain types of zeolite crystals in a form and concentration not previously disclosed. The methods disclosed herein generally comprise using solutions with varying ratios of silicon (Si), aluminum (Al), hydroxide (OH), and water. Some implementations of the invention disclosed include efficient methods of producing nearly pure cancrinite (CAN), methods of obtaining sodalite in solutions with a high Si/Al ratio, and a method of forming thin, platelet-like ANA crystals with a width of less than about 1 ?m and a length of at least about 3 ?m.

Abstract: The present invention discloses a method for quickly extracting lithium carbonate from saline lake water and a system for the same. The method comprises: first quick-freezing the saline lake water to obtain lithium-rich brine, then evaporating under reduced pressure to enable lithium carbonate to be rapidly precipitated out. The method has advantages of short process flow and less labor consumption, thereby enabling continuous automatic operation, high energy utilization and environment-friendly. Further, the crystallization rate is several times faster than that of the salt-pan process and the grade of lithium carbonate salt mine obtained can reach 95% or more, therefore the method of the present invention is particularly suitable for industrial production in the remote saline lake region.

Abstract: A system and method are provided in at least one embodiment to process water to produce gas that can be separated into at least two gas flows using a water treatment system having a disk-pack rotating in it to cause out gassing from the water. In a further embodiment, the method and system use the gas released from the water to produce substantially fresh water from the processed salt water.

Abstract: One or more brevetoxins or other toxins produced by red tides or other harmful algal blooms (HABs) are removed from a body of water by contacting an aqueous phase containing water, algae and one or more HAB-produced toxins with an organic phase, extracting the one or more toxins into the organic phase, and separating the organic phase enriched in the one or more toxins from the aqueous phase depleted in the one or more toxins. In some embodiments, the organic phase is comprised of vegetable oil, mineral oil, or other suitable oil. In some embodiments, an annular centrifugal contactor is used to accomplish the contacting, extracting, and separating. In some embodiments, the toxin-depleted aqueous phase is pumped back into the source of the aqueous phase, and the toxin-enriched organic phase is recirculated until a predetermined threshold concentration of the one or more toxins is met.

Abstract: Treatment of silica-laden wastewater is herein described. Unlike traditional fixed bed designs that cannot use an activated alumina sorbent due to the high volumes of sorbent needed in a fixed bed design, the herein disclosed continuous cycle enables smaller volumes of sorbent to be used and thereby enabling activated alumina to be used. Adsorption, regeneration, and rinse regions are provided. Activated alumina is provided to the adsorption region along with silica-containing wastewater. A pH below the zero point charge for alumina is set, and this causes the silica to load onto the alumina. Gravity brings the loaded alumina to the regeneration region, having a pH equal to or greater than the zero point charge of alumina such that the silica is released from the alumina. The silica and alumina are further separated in the rinse region, and the regenerated alumina can then be returned to the adsorption region.

Abstract: The present invention provides a process of oxygenated feed-water treatment of boilers in power station, carried out under an OT treatment process, suitable for both the monotube type boiler and the drum type boiler, and comprising an oxygenation stage comprising: a normal oxygenation converting stage and a decreased oxygenation film-supplementing stage; the normal oxygenation converting stage is a stage in which the feed water system is oxygenated both at the outlet of a condensate polishing system and at the inlet of a feed water pump of a high pressure feed water system, and the concentration of dissolved oxygen in the main steam is controlled to be ?5 ?g/L; the decreased oxygenation film-supplementing stage is a stage in which, after an oxide film is formed in the feed water system, the amount of oxygenation at the high pressure feed water system is decreased so that the amount of the oxygen added is only for supplementing and maintaining the oxide film, while the concentration of dissolved oxygen in the

Abstract: The mat is formed of a saprophytic fungal strain and/or budding yeast, and a mass of particles wherein the fungus is characterized in producing an enzyme capable of breaking down polycyclic aromatic hydrocarbons. In a second embodiment, a mass of pellets is made from the mat for use in absorbing liquid animal waste.

Abstract: A terpolymerized corrosion and scale inhibitor used in circulating cooling water of central air conditioning, containing tourmaline, polyaspartic acid, polyepoxysuccinic acid, polymaleic acid, etidronic acid, zinc salt, and the like, wherein the content of the tourmaline is 5-500 g/t (calculated based on solid form); the content of polyaspartic acid, polyepoxysuccinic acid, polymaleic acid and etidronic acid is 2-60 g/t (calculated based on liquid form); and the content of the zinc salt is 0.2-0.8 g/t (calculated based on solid form), is provided. Also disclosed is a method of preparing the terpolymerized corrosion and scale inhibitor used in circulating cooling water of central air conditioning.

Abstract: A phosphorus-free corrosion and scale inhibitor used in circulating cooling water of central air conditioning is provided, which contains tourmaline, green corrosion and scale inhibitor, zinc salt and the like, wherein the content of the tourmaline is 5-500 g/t (calculated based on solid form); the content of the green corrosion and scale inhibitor is 5-50 g/t (calculated based on liquid form); and the content of the zinc salt is 0.2-0.8 g/t (calculated based on solid form), wherein the tourmaline includes dravite, schorlite, elbaite, manganese tourmaline, uvite or the like. The green corrosion and scale inhibitor contains any one, or two or three of polyaspartic acid, polyepoxysuccinic acid and polymaleic acid. Copper corrosion can be effectively inhibited by adding 0.2-2 g/t of benzotriazole (calculated based on solid form) into copper-containing devices. Also disclosed is a method of preparing the phosphorous-free corrosion and scale inhibitor used in circulating cooling water of central air conditioning.