Abstract: A heating control method and control device for a ceramic heating element in a non-contact heat not burn heating device is provided. The ceramic heating element includes a heating body and a heating circuit, the heating body is cylindrical and internally provided with a porous channel, the heating circuit is arranged on the heating body to heat air passing through the porous channel. The heating control method includes: controlling the heating circuit to perform heating work at a working voltage when the non-contact heat not burn heating device is started and keeping a working time of the heating circuit; detecting a working current of the heating circuit; and performing voltage reduction control on the working voltage of the heating circuit according to the working time of the heating circuit and the working current of the heating circuit.

Abstract: A patching construction method using a hydraulic variable-grade expansion tool for blocking during drilling is provided, which includes a conversion joint, a supporting central pipe, a supporting ring, an expansion pipe, pressure gradient piston subs, double female thread connection subs, T-shaped limiting subs, a tapered centering sub, double male thread central shafts, split supporting subs, an expansion cone, a piston sub with male and female threads, a T-shaped ball compressor, a lower U-shaped pressing sleeve, a ball-seat fixing sleeve, a reciprocating spring, a sealing ball seat, a sealing ball, a tapered guide sub, etc.

Abstract: A preparation process of spunlace intertwining type recycled cow leather comprises a material preparation process, a cow leather fiber web forming process, as well as a mixed fiber web forming process, an overlapped web forming process, a base fabric manufacturing process and a cow leather finished product manufacturing process which are sequentially arranged according to a preparation process flow; the base fabric manufacturing process comprises a buffing process, a single-side immersion treatment process and an ironing process which are sequentially arranged for manufacturing the overlapped web into the base fabric; and the single-side immersion treatment process comprises the steps of subjecting a single side of the base fabric to single-side coating treatment of the water-based PU material or the oil-based PU material by adopting an inverted feeding device and using a water-based PU material or an oil-based PU material as a coating so as to form a single-side permeable immersion layer of the base fabric.

Abstract: A hydraulic oscillation tool with variable stage, small pressure drop and strong impact based on radio frequency identification is provided. It includes a conversion connector, a disc spring upper bracket, a disc spring housing, a disc spring group, a multi-stage piston shaft, an upper piston sleeve, a first radial sealing ring, a double-female-buckle piston sleeve, a double-male-buckle piston sleeve, a second radial sealing ring, a double-female-buckle lower piston sleeve, an end piston, an impacting connector, a power housing, a power shaft end cap, a high torque turbine, a power shaft, a lower connector, a rotating valve, a bearing supporting ring, and a turbine special bearing. The hydraulic oscillation tool realizes the low pressure drop and strong impact, and thus the problems that with the continuous increase of horizontal length, excessive pressure drop will make the annular pressure drop sharply, and drilling fluid circulation is difficult are solved.

Abstract: The present disclosure discloses a lamp wall seat and a wall lamp with a door panel and a waterproof socket, and the lamp wall seat and the wall lamp with the door panel and the waterproof socket includes a box body, a socket and a door panel, one side of the box body is provided with a first through frame, the socket is installed in the box body, a jack end of the socket corresponds to the first through frame, and the door panel is movably arranged between the socket and the first through frame up and down; when the door panel is moved up, the jack end of the socket is exposed, and when the door panel is reset, the jack end of the socket is covered.

Abstract: A hydraulic oscillation tool with variable stage, small pressure drop and strong impact based on radio frequency identification is provided. It includes a conversion connector, a disc spring upper bracket, a disc spring housing, a disc spring group, a multi-stage piston shaft, an upper piston sleeve, a first radial sealing ring, a double-female-buckle piston sleeve, a double-male-buckle piston sleeve, a second radial sealing ring, a double-female-buckle lower piston sleeve, an end piston, an impacting connector, a power housing, a power shaft end cap, a high torque turbine, a power shaft, a lower connector, a rotating valve, a bearing supporting ring, and a turbine special bearing. The hydraulic oscillation tool realizes the low pressure drop and strong impact, and thus the problems that with the continuous increase of horizontal length, excessive pressure drop will make the annular pressure drop sharply, and drilling fluid circulation is difficult are solved.

Abstract: A patching construction method using a hydraulic variable-grade expansion tool for blocking during is provided, which includes a conversion joint, a supporting central pipe, a supporting ring, an expansion pipe, pressure gradient piston subs, double female thread connection subs, T-shaped limiting subs, a tapered centering sub, double male thread central shafts, split supporting subs, an expansion cone, a piston sub with male and female threads, a T-shaped ball compressor, a lower U-shaped pressing sleeve, a ball-seat fixing sleeve, a reciprocating spring, a sealing ball seat, a sealing ball, a tapered guide sub, etc. A patching construction method using a hydraulic variable-grade expansion tool for blocking during, omits the conventional expansion cone sealing manner, and designs a variable pressure gradient expansion tool, so that achieves the objectives of low pressure, large expansion force and reliable sealing, avoids drilling out bottom sealing joint, and reduces the risk of expansion failure.

Abstract: A traditional Chinese medicine polysaccharide extract freeze-drying protective agent, a direct-to-vat starter and preparation methods thereof are disclosed, which belong to the technical field of feed starter. The compound traditional Chinese medicine polysaccharide extract freeze-drying protective agent includes Poria cocos polysaccharide extract, Atractylodes macrocephala polysaccharide extract, Radix codonopsis polysaccharide extract, L-tyrosine, ?-cyclodextrin and polyethyleneimine. Its application in the freeze-drying protection of direct-to-vat starter of aquatic fermentation feed can reduce the damage to the cells caused by freeze-drying, improve the survival rate of the cells in the starter after freeze-drying, effectively prolong the storage period of the starter, and ensure that the fermentation activity remains at a high level during storage.

Abstract: A non-contact heat-not-burn heating device includes a ceramic heating element and a smoking product bearing assembly. The ceramic heating element includes a heating body and a heating circuit, the heating body is cylindrical and internally provided with a porous channel, and the heating circuit is arranged on the heating body to heat air passing through the porous channel. The smoking product bearing assembly includes a preheating tube and a blocking piece, the blocking piece is arranged in a cavity defined by the preheating tube to divide the cavity into a first cavity and a second cavity, the first cavity is used for placing the smoking product and preheating the smoking product, and the second cavity is used for placing at least one part of the ceramic heating element. At least one part of the ceramic heating element is arranged in the cavity defined by the preheating tube.

Abstract: The present invention discloses a multifunctional outdoor waterproof wall lamp including a waterproof lamp. The top end of the waterproof lamp is provided with a second connecting hole, and a multifunctional sensor is attached to the top end of the waterproof lamp.

Abstract: The present invention discloses an outdoor waterproof wall lamp system with doorbell and human body sensing functions, including: a lamp body assembly, including a lamp housing, a lamp body, a multifunctional sensor, a first circuit board, and a button switch, wherein the lamp body, the multifunctional sensor, and the button switch are all electrically connected to the first circuit board, and the multifunctional sensor has a human body sensing module for sensing a human body to control the lamp body to be lighted; and a doorbell assembly, including a doorbell housing, a second circuit board, and a speaker, wherein the speaker is connected to the second circuit board, the second circuit board is communicatively connected to the first circuit board, and the speaker may be controlled to sound when the button switch is pressed.

Abstract: A ceramic heating element includes a heating body which is cylindrical and internally provided with a porous channel; and a heating circuit which is arranged on the heating body to heat air passing through the porous channel. The ceramic heating element of the embodiment of the present invention can increase the contact area between the heating body and the air to achieve sufficient heating of the air. The ceramic heating element not only has high heating efficiency and high thermal conductivity, and is energy saving and power saving, but also has good compactness, will not adsorb smoke particles and thus has no peculiar smell. A non-contact heat-not-burn heating device having the ceramic heating element is also disclosed.

Abstract: A heating control method and control device for a ceramic heating element in a non-contact heat not burn heating device is provided. The ceramic heating element includes a heating body and a heating circuit, the heating body is cylindrical and internally provided with a porous channel, the heating circuit is arranged on the heating body to heat air passing through the porous channel. The heating control method includes: controlling the heating circuit to perform heating work at a working voltage when the non-contact heat not burn heating device is started and keeping a working time of the heating circuit; detecting a working current of the heating circuit; and performing voltage reduction control on the working voltage of the heating circuit according to the working time of the heating circuit and the working current of the heating circuit.

Abstract: A non-contact heat-not-burn heating device includes a ceramic heating element, a smoking product bearing assembly and a sealing sleeve. The ceramic heating element includes a heating body and a heating circuit, the heating body is internally provided with a porous channel, and the heating circuit heats air passing through the porous channel. The smoking product bearing assembly includes a preheating tube and a blocking piece, the blocking piece is arranged in a cavity defined by the preheating tube to divide the cavity into a first cavity and a second cavity. The sealing sleeve is arranged in the hollow mode to form a bearing cavity, the ceramic heating element and the smoking product bearing assembly are arranged in the bearing cavity. The sealing sleeve is made of bushings to reduce the heat transmission of the ceramic heating element to the outside and reduce the outer wall temperature of the device.

Abstract: A non-contact heat-not-burn heating device includes a ceramic heating element and a smoking product bearing assembly. The ceramic heating element includes a heating body and a heating circuit, the heating body is cylindrical and internally provided with a porous channel, and the heating circuit is arranged on the heating body to heat air passing through the porous channel. The smoking product bearing assembly includes a preheating tube and a blocking piece, the blocking piece is arranged in a cavity defined by the preheating tube to divide the cavity into a first cavity and a second cavity, the first cavity is used for placing the smoking product and preheating the smoking product, and the second cavity is used for placing at least one part of the ceramic heating element. At least one part of the ceramic heating element is arranged in the cavity defined by the preheating tube.

Abstract: A non-contact heat-not-burn heating device includes a ceramic heating element, a smoking product bearing assembly and a cooling tube. The ceramic heating element includes a heating body and a heating circuit, the heating body is cylindrical and internally provided with a porous channel, and the heating circuit is arranged on the heating body to heat air passing through the porous channel. The smoking product bearing assembly includes a ceramic tube and a blocking piece, the blocking piece is arranged in a cavity defined by the ceramic tube to divide the cavity into a first cavity and a second cavity. The cooling tube is arranged above the ceramic tube and separated from the ceramic tube, the inner diameter of a cavity defined by the cooling tube is identical with that of the first cavity, so that a holder of the smoking product can pass suitably.

Abstract: An air-heating type heat not burn heating device, a ceramic heating element and a preparation method thereof are provided. The ceramic heating element includes a honeycomb ceramic body and a heating printed circuit. Porous channels are arranged in the honeycomb ceramic body, and the porous channels are circular holes or polygonal holes. The heating printed circuit is arranged around an outer surface of the honeycomb ceramic body to heat the air passing through the porous channels. According to the ceramic heating element, the surface made of high purity alumina honeycomb ceramic has high compactness, it is able to effectively prevent absorption of smoke dust particles, thus to effectively preventing odd smell; the high-purity alumina honeycomb ceramic has good thermal conductivity, with a thermal conductivity of 33 W/mk; the wall thickness and pore diameter in the honeycomb ceramic structure are both very small, and the thermal conductivity is extremely excellent.

Abstract: A heat recovery device includes an alumina ceramic tube body, and the alumina ceramic tube body defines a cavity suitable for placing a heating component; a first group of honeycomb porous channels is arranged inside the side wall of the alumina ceramic tube body and the first group of honeycomb porous channels divides the alumina ceramic tube body into an outer wall and an inner wall. The side wall of the alumina ceramic tube body adopts a unique honeycomb porous structure; when the heating component placed in the defined cavity heats a smoking product, the heat that does not act on the smoking product will transfer heat to the alumina ceramic tube body; due to the high thermal conductivity of high-purity alumina ceramics used in the alumina ceramic tube body, the alumina ceramic tube body will be quickly heated, and then the air in the porous channels will be heated.

Abstract: A non-contact heat-not-burn heating device includes a ceramic heating element, a smoking product bearing assembly and a sealing sleeve; the sealing sleeve is arranged in the hollow mode to sleeve the ceramic heating element and the smoking product bearing assembly inside, and the ceramic heating element and the smoking product bearing assembly are mutually separated. The ceramic heating element includes a heating body and a heating circuit, the heating body is cylindrical and internally provided with a porous channel, and the heating circuit is arranged on the heating body to heat the air passing through the porous channel. The smoking product bearing assembly includes a ceramic tube and a blocking piece; a cavity defined by the ceramic tube is suitable for placing a smoking product, and the blocking piece is connected to the ceramic tube and adjacent to the ceramic heating element to limit the position of the smoking product.

Abstract: A preparation process of spunlace intertwining type recycled cow leather comprises a material preparation process, a cow leather fiber web forming process, as well as a mixed fiber web forming process, an overlapped web forming process, a base fabric manufacturing process and a cow leather finished product manufacturing process which are sequentially arranged according to a preparation process flow; the base fabric manufacturing process comprises a buffing process, a single-side immersion treatment process and an ironing process which are sequentially arranged for manufacturing the overlapped web into the base fabric; and the single-side immersion treatment process comprises the steps of subjecting a single side of the base fabric to single-side coating treatment of the water-based PU material or the oil-based PU material by adopting an inverted feeding device and using a water-based PU material or an oil-based PU material as a coating so as to form a single-side permeable immersion layer of the base fabric.