Abstract: A detachable frame of a light-small sprinkling machine includes angle steel pieces, tiepieces, support bars, support upright rods, top rod with slots, and wheels. The components of the frame are connected through threaded connections, so that the frame can be disassembled and removed easily. The distance between sprinkler heads and the mounting height of the sprinkler heads may be changed by means of free movement of turning hooks in the top rod with slots. The number of spans of the rod of the machine are be selected according to the topographic structure and can be changed by means of threaded holes in the two ends of the top rod with slots, and thereby the length of the rod can be changed. Employing low-pressure sprinkler heads and utilizing the turning effect of movable swivel shafts, the irrigation sprinkling machine can be turned to any direction freely.

Abstract: A detachable frame of a light-small sprinkling machine for precise irrigation, which belongs to a key equipment in modern agricultural irrigation. The detachable frame of a light-small sprinkling machine for precise irrigation comprises angle steel pieces, tiepieces, support bars, support upright rods, top truss with slots, and wheels, wherein, the components of the frame are connected through threaded connections, so that the frame can be disassembled and removed easily. The distance between sprinkler heads and the mounting height of the sprinkler heads may be changed by means of free movement of turning hooks in the top truss with slots. The number of spans of the truss of the machine can be selected according to the topographic structure and can be changed by means of threaded holes in the two ends of the top truss with slots, and thereby the length of the truss can be changed. The irrigation sprinkling machine has high adaptability, and achieves even sprinkling distribution.

Abstract: The present invention provides a vertical sewage treatment device including an anaerobic chamber, an anoxic chamber, an aerobiotic chamber, and a secondary precipitation chamber, wherein the anaerobic chamber, the anoxic chamber, the aerobiotic chamber, and the secondary precipitation chamber are vertically arranged in sequence from the bottom to the top. According to another aspect, the present invention also provides a sewage treatment method using the foregoing vertical sewage treatment device. The sewage treatment device and method of the present invention have the advantages such as a reduced occupied area, improved oxygenation efficiency, a decreased head loss, a reduced invalid structure volume, and a low heat loss.

Abstract: An automatic control element has a sprinkler, a fluidic element connected to the sprinkler, and an outlet cover plate secured onto an outlet of the fluidic element. The fluid element further has a water inlet and a first air supply pore are symmetrically arranged on it. A second air supply pore is on the water inlet. A water distributor is formed on the sprinkler, a water tank is provided on the outer side of the sprinkler, and the water distributor is in communication with an inner cavity of the water tank. A signal nozzle is provided on the wall of the water tank, and the signal nozzle is connected to the water inlet via a conduit.

Abstract: The present invention provides a vertical sewage treatment device including an anaerobic chamber, an anoxic chamber, an aerobiotic chamber, and a secondary precipitation chamber, wherein the anaerobic chamber, the anoxic chamber, the aerobiotic chamber, and the secondary precipitation chamber are vertically arranged in sequence from the bottom to the top. According to another aspect, the present invention also provides a sewage treatment method using the foregoing vertical sewage treatment device. The sewage treatment device and method of the present invention have the advantages such as a reduced occupied area, improved oxygenation efficiency, a decreased head loss, a reduced invalid structure volume, and a low heat loss.

Abstract: The present invention discloses an automatic control element with uniformly-distributed stepping frequency, comprising a sprinkler and a fluidic element connected to the sprinkler, an outlet cover plate being secured onto an outlet of the fluidic element. A water inlet and a first air supply pore are formed symmetrically on the fluidic element, and a second air supply pore is formed on the water inlet. A water distributor is formed on the sprinkler, a water tank is provided on the outer side of the sprinkler, and the water distributor is in communication with an inner cavity of the water tank. A signal nozzle is provided on the wall of the water tank, and the signal nozzle is connected to the water inlet via a conduit.

Abstract: A high turbulence mill used for producing supermicro powder and nanomaterials includes: a driving device provided on a base; a hollow grinding casing having a toothed ring-shaped guide stator fixed to an inner circumference thereof; a bi-negative pressure turbine rotatably mounted within the grinding casing; a hopper for delivering materials into the grinding casing via a material feeding pipe; a material discharging pipe communicated with the grinding casing for discharging pulverized products; and a control device for electrically controlling the high turbulence mill. When the specifically designed bi-negative pressure turbine spins at a high speed within the grinding casing under the driving operation of the motor, strong vortexes and high turbulence will be formed in the grinding casing, and thus a gas-solid two-phase flow is formed.

Abstract: A high turbulence mill used for producing supermicro powder and nanomaterials includes: a driving device provided on a base; a hollow grinding casing having a toothed ring-shaped guide stator fixed to an inner circumference thereof; a bi-negative pressure turbine rotatably mounted within the grinding casing; a hopper for delivering materials into the grinding casing via a material feeding pipe; a material discharging pipe communicated with the grinding casing for discharging pulverized products; and a control device for electrically controlling the high turbulence mill. When the specifically designed bi-negative pressure turbine spins at a high speed within the grinding casing under the driving operation of the motor, strong vortexes and high turbulence will be formed in the grinding casing, and thus a gas-solid two-phase flow is formed.