11results about How to "Efficient pumping" patented technology

The application discloses a dustproof spraying device for building construction and belongs to the technical field of dustproof equipment for building construction. The device comprises a horizontal cavity, a water storage groove is symmetrically arranged on the upper surface of the horizontal cavity, a cavity is arranged on the upper surface of the horizontal cavity, a circular cavity is fixedly connected to the inside of the cavity, a central cavity is fixedly connected to the inside of the circular cavity, a motor is fixedly connected to the lower surface of the central cavity, an output end of the motor is fixedly connected with a rotating column, and a limiting block is arranged on the outer side wall of the rotating column. The device is driven to rotate by the motor, the rotating column is driven to rotate by the limiting block and the limiting groove, and the guiding sliding block is slid in the guiding curved groove to make the perforated turntable produce up-down reciprocating motion. The composite motion makes the liquid pumping circular plate slide up and down in the liquid pumping groove, and the efficient water pumping and water feeding are realized by cooperation of the one-way water valve, so that the spraying ring can continuously obtain water source.

The invention provides a photovoltaic cleaning robot cross-row movement locking device which comprises a supporting assembly used for providing support for a device main body structure and containing a cleaning agent; the cross-row connection and angle adjustment assembly is used for realizing cross-row connection of the device between different rows of photovoltaic panels and adjusting the angle of the cleaning component relative to the photovoltaic panels; the walking and spraying assembly is used for driving the device to move along the photovoltaic panel and spraying a cleaning solution to the surface of the photovoltaic panel; the cleaning execution assembly is used for physically wiping and cleaning the surface of the photovoltaic panel; the mechanical arm sensing mechanism is installed on the supporting assembly and used for pulling and adjusting the positions and angles of the cross-row connecting and angle adjusting assembly and the walking and spraying assembly; according to the photovoltaic panel cleaning device, cross-row moving locking, spraying and wiping integrated cleaning is achieved, the photovoltaic panel cleaning device is suitable for photovoltaic panels of different specifications, the automation and precision of cleaning operation are improved, the cleaning efficiency is higher, the photovoltaic panels can be prevented from being damaged through a flexible cleaning structure, and the power generation efficiency and the service life of the photovoltaic panels are guaranteed.

This utility model discloses a foundation pit drainage device for building construction, comprising: a deep foundation pit; a foundation pit pumping assembly mounted on the deep foundation pit, the foundation pit pumping assembly being used for pumping and draining water; and a sludge preliminary sedimentation and removal assembly mounted on one side of the foundation pit pumping assembly. The device performs secondary deep filtration of the water through a second filter plate to further remove residual impurities. A water level detector monitors the water level in real time to ensure stable filtration. The filtered water is discharged into a drainage ditch via a drainage pipe through a pump. If sludge is generated during filtration, a second sludge suction pipe transports it to a sludge pump for discharge. The advantages of this device are that the secondary filtration assembly further improves water quality, reduces impurities from clogging the drainage system, and improves drainage efficiency and quality. Simultaneously, the water level detector enables automated monitoring, improves the system's intelligence level, reduces manual intervention, and further optimizes the drainage effect.

The invention provides intelligent high-negative-pressure material pumping equipment, and belongs to the technical field of negative-pressure pumping devices.The intelligent high-negative-pressure material pumping equipment comprises a material negative-pressure pumping cover, two arc blocking covers are symmetrically arranged on the outer side wall of the material negative-pressure pumping cover, and the arc blocking covers communicate with the inner space of the material negative-pressure pumping cover; a material feeding assembly is arranged in the arc blocking cover. The material feeding assembly comprises a first motor arranged on the outer wall of one side of the arc blocking cover, and the first motor is fixedly connected with a rotating outer barrel through the output end of one side of the first motor. Through the material feeding assembly, material particles can be disturbed, the problem that the pumping capacity is poor due to adhesion of the material particles is solved, air can be provided for the material negative pressure extraction cover located deep, and then external air can naturally flow into the material negative pressure extraction cover due to the air pressure difference to form directional air flow; and the material particles are conveyed in batches through directional airflow.

The invention discloses a water and fertilizer integrated intelligent drip irrigation system based on a piezoelectric pump principle and a control method thereof, particularly relates to the technical field of agricultural irrigation, and solves the technical problems of easy blockage, non-uniform drip irrigation amount and high production cost of drip flow, in-pipe water droppers or out-pipe water droppers used in the prior art. According to the technical scheme, a piezoelectric pump serves as a water dropper of the drip irrigation system, a driving source of the piezoelectric pump is located at a system terminal, the used water dropper is an original vortex-shaped linear valve piezoelectric pump, the working state of the piezoelectric pump can be changed by adjusting driving voltage, and switching between the valveless working state and the valveless working state of the piezoelectric pump is achieved; the problems of flow pipe blockage and non-uniform flow distribution of a traditional drip irrigation system can be effectively solved.

The utility model relates to environmental monitoring technical field discloses gas sampling pipe automatic back suction leakproof structure, including the pipe body, the outside rear side of connecting ring is the inside fixed connection of pipe body has the butt joint ring, the outside rear side fixed connection of connecting ring has a plurality of guide posts, a plurality of the outside rear side fixed connection of guide post has the connecting block, the outside of a plurality of connecting blocks is the outside rear side fixed connection of butt joint ring has the movable ring, the outside front side of movable ring is the outside rear side fixed connection of being close to butt joint ring has a plurality of clamping post, the outside adjacent side of movable ring and butt joint ring all is fixedly connected with the sealing ring, in the utility model, the automatic opening and closing of movable ring are realized through the guidance of guide post and spring, ensure that gas is extracted into high efficiency while preventing leakage effectively, its design not only reduces the operation complexity, also provides reliable stable gas sampling performance.

The atomization device comprises a liquid storage bin, a liquid storage box, a water pump and an atomization piece, the liquid storage bin is provided with an atomization piece installation opening, a liquid inlet and a liquid outlet, the atomization piece installation opening, the liquid inlet and the liquid outlet are communicated with an inner cavity of the liquid storage bin, and the atomization piece is arranged at the atomization piece installation opening; the liquid storage tank is provided with a liquid discharge outlet and a liquid circulation inlet, and the liquid discharge outlet and the liquid circulation inlet are communicated with the liquid storage tank; the one-way valve is arranged at the liquid outlet of the liquid storage bin, so that liquid in the liquid storage bin is effectively prevented from flowing back to the atomizing sheet, and the problem of leakage caused by long-term retention of the liquid is fundamentally solved. The design ensures that the liquid can only flow in one direction, the phenomenon that the liquid seeps from the atomizing sheet is avoided, the working efficiency of the device is improved, and the service life of the device is prolonged.

The utility model relates to the technical field of water pumping equipment, in particular to a deep-well pump pontoon for a coal mine, which comprises a pontoon body, a water pumping component is arranged below the water level in the pontoon body and pumps water out, the output end of the water pumping component is connected with a hose, the outer end of the hose is connected with an inclined pipe, and the outer end of the inclined pipe is connected with a drainage pipeline on the shore. The water pumping component comprises a waste residue blocking bin, and one end of the waste residue blocking bin is connected with a water pump. According to the deep-well pump pontoon for the coal mine, the water pumping component is installed below the water level in the pontoon body, the characteristic that the pontoon ascends and descends along with the water level is utilized, accumulated water in the water sump can be efficiently pumped in real time, compared with a fixed drainage device, the problems that drainage is not smooth when water is little and cannot be conducted in time when water is too much are thoroughly solved, the drainage efficiency is effectively improved by 40% or above, and the construction cost is reduced. Accumulated water in a mine can be drained in time, the risk of equipment flooding is remarkably reduced, and powerful guarantee is provided for coal mine safety production.

The utility model discloses a water storage tank structure of a visible water level adjusting mechanism, which comprises a water storage tank main body, a water level adjusting mechanism and a water level adjusting mechanism, electric telescopic rods are arranged on the two sides of the water storage tank main body; a water level window is arranged on the front surface of the water storage tank main body, and a water level adjusting structure is arranged on the back surface; the water tank cover is arranged above the water storage tank body, a connecting piece of the water tank cover is connected with an output shaft of the electric telescopic rod, and the water tank cover is driven to be opened and closed through the electric telescopic rod; a water pumping structure is arranged on the water tank cover, and the water pumping end of the water pumping structure is arranged in the water storage cavity of the water storage tank body. The water level window on the front surface of the water storage tank main body provides visual water level display, so that a user can observe the water level condition in the water storage cavity in real time, and the trouble of frequently opening a tank cover to check the water level is avoided; the floating ball ascends and descends along with changes of the water level and cooperates with the Hall sensor to achieve water level detection.

The invention belongs to the technical field of gas recovery, and relates to a working mode switching method for VOCs recovery by an indirect heat exchange condensation method, a carrier circulating system is utilized, and the carrier circulating system comprises a first heat exchanger, a second heat exchanger, a heat-carrying agent tank, a secondary refrigerant tank and a valve assembly for controlling the flow direction of a carrier, the method includes: acquiring current states of a first heat exchanger and a second heat exchanger, and switching opening and closing states of a valve assembly according to requirements; a condensation mode is switched to a defrosting mode, so that a secondary refrigerant flows into the heat exchanger, and after flowing out, the secondary refrigerant is firstly introduced into the heat-carrying agent tank and then introduced into the secondary refrigerant tank; and when the defrosting mode is switched to the condensation mode, the heat-carrying agent flows into the heat exchanger, flows out and then is introduced into the secondary refrigerant tank, and then is introduced into the heat-carrying agent tank. According to the invention, the temperature in the secondary refrigerant tank and the heat-carrying agent tank can be prevented from greatly changing, the temperature of the secondary refrigerant and the heat-carrying agent can be kept stable in the switching process, and the condensation effect of VOCs and the defrosting effect of the heat exchanger are not influenced.

The invention provides a construction waste plastic separation device, and relates to the technical field of construction waste separation, and the construction waste plastic separation device is characterized in that supporting legs are arranged at the bottom of a first shell; the crushing mechanism comprises a first driving piece and a crushing roller, and the first driving piece is fixed to the outer side of the first shell through a bolt; the number of the crushing rollers is two, and a synchronous belt is installed on the outer sides of the two crushing rollers. The drying assembly is installed on the left side of the first shell. A first blowing fan carries out gas separation on crushed plastic and construction waste, through cooperation of the first blowing fan and an electric heating wire, the problem that the construction waste is moist and adheres together after being crushed is solved, metal in the construction waste is adsorbed and collected through an iron block, and a separation liquid is added into a second shell to separate the plastic. And through arrangement of the water outlet pipe, the effect of blowing separation liquid from the bottom is achieved, and the problems of plastic separation, construction waste wetting and drying and construction waste precipitation are solved.