1231 results about "Booster pump" patented technology

The invention discloses an on-site monitoring system for the performance of an elastic loose type anchorage system suitable for deep-sea buoys, and particularly relates to the field of deep-sea monitoring. The on-site monitoring system auxiliary comprises a central processing module, wherein the output end of the central processing module is separately connected with an information display module,an information storage module, an auxiliary recovery module and a driving module, and the input end of the central processing module is separately connected with a power supply module, a monitoring module, a correction module and a positioning module. According to the on-site monitoring system for the performance of the elastic loose type anchorage system suitable for the deep-sea buoys, the auxiliary recovery module is arranged, air bags are installed at a plurality of node positions on the anchorage system, a booster pump in a pressurization unit is used, outside air is conveyed into a floating ball unit through a pipeline unit, so that the retractable air bags are enabled to bulge upwards to float, the whole anchor system is directly floated in sections, people conveniently recycle theanchorage system greatly, the workload during the recycling process is reduced, and the practicability is high.

The invention relates to a low-noise water purifier. The water purifier includes a shell, an integrated waterway plate and booster pumps. The integrated waterway plate is fixed to the shell and is connected to water outlets of the booster pumps through pressure stabilizing tanks. The pressure stabilizing tanks are disposed between the booster pumps and the integrated waterway plate. The integrated waterway plate is connected to a plurality of evenly arranged connection tubes and is connected to filter core base assemblies through the connection tubes in a one-one correspondence manner. Beneficial effects of the water purifier are that 1) water knocking abnormal sound of the water purifier is reduced, thus improving user experience, 2) the structure is simple, water leakage is prevented and the production efficiency is high, and 3) replacement of a consumable of the product is simpler and more convenient.

The utility model provides a purified water dispenser which comprises a water softening system, a water purifying system and a hot water system, the water purifying system comprises a filtering system, a soft water quality detection piece, a soft water temperature detection piece and a variable-frequency booster pump, and the soft water quality detection piece and the soft water temperature detection piece are both connected with the variable-frequency booster pump. The rotating speed of the variable-frequency booster pump is determined according to the total amount and temperature of dissolved solids in soft water measured by the soft water quality detection part and the soft water temperature detection part, and the stability of the water making flow speed of the purified water dispenser is guaranteed.

The invention discloses a pressure calibration type water and fertilizer precise fertilizer applicator and a control method thereof, and relates to the technical field of agricultural irrigation and fertilization. The invention aims to solve the problems of low metering precision, large working condition deviation, lack of dissolution early warning and the like of the existing fertilization equipment. The fertilizer applicator comprises one or more uniform-section vertical fertilizer application barrels, a bottom pressure sensor, a single-path common temperature sensor, a human-computer interaction interface and a control unit, the fertilizing barrel limits a side wall vertical structure, and the pressure sensor is additionally provided with an isolation diaphragm for preventing crystallization. The control unit abandons the dependence of traditional flow metering and booster pump calibration, collects reference pressure and total fertilizer amount to establish a mapping relation, and calculates the residual fertilizer amount in real time based on a core formula M residual = M total amount * P (t) / P reference. And the man-machine interaction interface supports independent check of multiple barrels, differential proportioning and automatic accounting of the average fertilizing amount per mu. The control method comprises the whole process of barrel check, dissolution early warning, water injection calibration, precise fertilization and shutdown filing. The device is accurate in metering without attenuation, is not interfered by pump body working conditions and a flow meter, is simple in structure and low in cost, and meets the precise fertilization requirement of modern agriculture.

The invention relates to the technical field of heavy oil reservoir exploitation, in particular to a device and a method for realizing viscosity-reducing huff-puff exploitation of heavy oil by injecting natural gas into a well and pressurizing. According to the technical scheme, a gas supply pipeline is tripped into an annular space between a sleeve and a pump cylinder, the upper end of the gas supply pipeline is connected with a natural gas injection device on the ground, and the lower end of the gas supply pipeline is communicated with a gas inlet of an underground natural gas booster pump; a gas injection packer is installed on the lower middle side of a pump cylinder, an oil inlet hole is formed in the pipe wall of the lower side of the gas injection packer, and the lower end of the gas injection packer is connected with an underground natural gas booster pump through a transition adapter. The device has the advantages that the pressure of natural gas can be increased in a relay mode, the natural gas is dynamically mixed and dissolved in thickened oil, the viscosity of the natural gas is remarkably reduced, the natural gas is increased along with volume expansion, flowing to a shaft is facilitated, in addition, the foam oil effect can be formed, and the functions of reducing viscosity and increasing yield of a thickened oil reservoir are achieved; and the total operation cost is lower than the steam thermal recovery cost, and the safety is also greatly improved.

This invention relates to a sampling device and method for sulfur hexafluoride (SF6) and its mixed gases used in electrical equipment. The sampling device includes an equipment connection module, a sampling module, a gas filling module, and a vacuuming module. The equipment connection module, used to connect the electrical equipment and the gas sampler, consists of an equipment connection valve, a diaphragm pump, and corresponding pipelines. The sampling module, used for gas buffering, consists of a sampling cylinder, a pressure detection unit, a sampling valve, a gas filling valve, a tail gas valve, and corresponding pipelines. The gas filling module, used to fill the sampling container, consists of a booster pump, a sampling container connection valve, and corresponding pipelines. The vacuuming module, used for vacuuming and tail gas collection, consists of a vacuum pump, a tail gas collection device, and its connection valves. The sampling method utilizes appropriate flushing and vacuuming methods when the gas pressure is higher or lower than 0.2 MPa. This sampling device and method can improve the accuracy of sampling sulfur hexafluoride gas or sulfur hexafluoride mixed insulating gases.

The utility model discloses a scale inhibition and concentrated solution residual pressure recycling type underground water purification device. The device comprises an emulsion water distribution pipeline formed by a scale inhibition device, a direct filter membrane, a self-cleaning filter, a precision filter, a security filter, a booster pump A, a reverse osmosis membrane and a desalting water tank which are sequentially connected in series through pipelines, the other outlet of the reverse osmosis membrane is connected in series with a hydraulic turbine device through a pipeline to form a wastewater discharge pipeline; the booster pump A and the hydraulic turbine device are connected through a pipeline to form a branch; the emulsion water distribution pipeline is positioned at the tail end of the desalting water tank and is serially connected with a booster pump B; a special scale inhibition device is additionally arranged at the front end of a direct filter membrane to replace dosing for descaling, and pressure energy of concentrated liquid subjected to reverse osmosis treatment can be recycled by a hydraulic turbine device and is converted into mechanical energy to drag a booster pump at the front end of a reverse osmosis membrane, so that the energy consumption is reduced.

The invention relates to the technical field of water supply control, and discloses an intelligent quality-based pressure-superposed non-negative pressure water supply control system and method, and the system comprises a data collection control module, a volume identification module, a water age observation module, a mixing decision module, and an impedance verification module. The effective volume parameters of the steady flow compensation tank are inversed through the pressure response characteristics of the variable frequency booster pump set in the starting stage; dynamically calculating the hydraulic retention time in the tank based on the system flow and the effective volume; when the residence time exceeds a safety threshold value, a forced mixing strategy is generated, and municipal inlet water is driven to be mixed with residence water by adjusting the opening degree of a bypass electric adjusting valve and controlling a pump set to operate; and meanwhile, verifying the effectiveness of the mechanical action of the valve according to the deviation between the real-time power and the theoretical reference power of the pump set after the regulation instruction is issued. Volume parameters can be corrected in real time, aged water is actively replaced under the low-flow working condition, closed-loop verification is carried out on faults of an executing mechanism, and the water supply quality and the system reliability are guaranteed.

The utility model provides a refrigerant filling machine to solve the problem that in the prior art, a large amount of manpower and time cost are consumed for achieving high-precision filling. The refrigerant filling machine comprises a booster pump, a storage tank, an electronic scale, a control system, a filling pipeline, a pressure sensor, a roller and a storage chip. The refrigerant filling machine is excellent in cost control, traditional complex assemblies are abandoned, the booster pump and the high-precision online electronic scale are combined, and the manufacturing, debugging and maintaining cost is reduced. The electronic scale monitors the weight in real time, the control system performs comparison operation, and the error of the filling amount is controlled within five thousandths. The whole filling process is automatically executed by a control system, and an operator only needs to simply set parameters and start operation to complete a refrigerant filling task. The outer wall of the storage tank is connected with an external power supply through the leakage protector, the power supply is automatically cut off during leakage, and the alarm sends out a signal during abnormity.

The invention provides a water plant raw water and clear water lifting pump station joint optimization energy-saving dispatching method and system for solving the problems that traditional pump station dispatching depends on artificial experience, global optimization is lacked, and energy waste is serious. Comprising the steps that a flow-lift and flow-efficiency relation model is established, and a variable frequency pump deduces a performance formula under any frequency based on the similarity law; in the first-stage optimization scheduling, the optimal flow of a water intake pumping station and the optimal water storage level of a clean water tank in each time period are determined by adopting a dynamic programming algorithm and taking the minimum total work of the system as a target, and the conditions of flow balance, water level constraint and the like are met; and in the second-stage optimization scheduling, the genetic algorithm is adopted to optimize the combination and operation frequency of the water pumps in each time period by taking the minimum total power of the pump set as a target, and a flow and lift deviation penalty term is introduced. According to the method, water taking, water storage and water supply whole-process collaborative optimization is achieved, the energy saving rate exceeds 10%, the operation cost is reduced, the method adapts to dynamic changes of the water source tide level and the water demand, and the dispatching intelligent level is improved.

The purification water dispenser comprises a water softening system, a water purification system and a hot water system, the water softening system is communicated with a raw water inlet of the purification water dispenser, the water purification system comprises a reverse osmosis filter element and a booster pump, and a water inlet of the reverse osmosis filter element is communicated with a first soft water outlet channel of the water softening system; the booster pump is arranged between a first soft water outlet channel of the water softening system and a water inlet of the reverse osmosis filter element, a water inlet of the hot water system is communicated with a water outlet of the reverse osmosis filter element, and the hot water system is used for providing hot water softened by the water softening system and purified by the water purification system for a user. According to the technical scheme, raw water can be softened through the water softening system, and the concentration of calcium and magnesium ions in water entering the reverse osmosis filter element is reduced, so that the service life of the reverse osmosis filter element is prolonged.

The purification water dispenser comprises a water softening system and a water purification system, the water softening system is communicated with a raw water inlet of the purification water dispenser, the water purification system comprises a reverse osmosis filter element, a waste water backflow pipeline and a booster pump, and a water inlet of the reverse osmosis filter element is communicated with a water outlet of the water softening system. A water outlet of the reverse osmosis filter element is communicated with a pure water outlet of the purified water dispenser, a water inlet of the wastewater backflow pipeline is communicated with a wastewater opening of the reverse osmosis filter element, a water outlet of the wastewater backflow branch is communicated with a water inlet of the reverse osmosis filter element, and the booster pump is arranged between a water outlet of the water softening system and the water inlet of the reverse osmosis filter element. Through the arrangement, the water softening system firstly softens raw water to reduce the concentration of calcium and magnesium ions in water entering the reverse osmosis filter element, so that the calcium and magnesium ions are prevented from forming scale on the membrane surface of the reverse osmosis filter element, and the service life of the reverse osmosis filter element is further prolonged.

The utility model discloses a gas booster pump driven by a lead screw motor, which relates to the technical field of gas compression and comprises a booster pump body formed by connecting a gas pressure cylinder part and a lead screw motor driving part. The gas pressure cylinder part comprises a compression cavity which is provided with a gas inlet, a gas outlet and a one-way valve, and a piston is arranged in the cavity; and a screw rod motor shaft capable of stretching and retracting in a reciprocating manner is arranged in the screw rod motor driving part and is fixedly or floatingly connected with the piston. A stator and a rotor nut are coaxially sleeved in the lead screw motor shell, and a lead screw motor shaft is provided with an anti-rotation structure. During working, the rotor nut rotates to drive the lead screw motor shaft to move to push the piston to compress gas. The air compressor has the beneficial effects that the screw rod motor is used for driving the booster pump to work, the noise is low during air boosting work, and the efficient and accurate air compression requirement is met.

A water path system, comprising a partition plate (721), a booster pump (75), a raw water tank (72), a purified water tank (73), a water purifier (74), a total dissolved solids meter (96), and a concentrated water valve. The water purifier (74) is provided with a water inlet end (23), a concentrated water outlet end (24), and a purified water outlet end (25). The partition plate (721) partitions an inner bottom surface of the raw water tank (72), such that the raw water tank (72) is divided into a raw water tank (7211) and a concentrated water tank (7212). An input end of the booster pump (75) is communicated with the raw water tank (7211) by means of a pipe. An output end of the booster pump (75) is communicated with the water inlet end (23) by means of a pipe. Two ends of the concentrated water valve are respectively communicated with the concentrated water tank (7212) and the concentrated water outlet end (24) by means of pipes. The purified water outlet end (25) is communicated with an input end of the purified water tank (73) by means of a water outlet pipe. The total dissolved solids meter (96) is arranged on the water outlet pipe. The total dissolved solids meter (96) is used for detecting a liquid flowing through the water outlet pipe. The water path system can utilize concentrated water for recycling, thereby effectively saving water resources.

The utility model relates to a kind of reverse osmosis thick water emission reduction and reuse system, belong to water treatment technical field.The system includes the thick water reverse osmosis booster pump, ultra-low pressure thick water reverse osmosis device connected in turn, reuse water tank, wherein, reverse osmosis thick water is treated by preposed reverse osmosis device, and after being added hydrochloric acid and scale inhibitor by hydrochloric acid dosing device, scale inhibitor dosing device to reverse osmosis thick water, it is entered ultra-low pressure thick water reverse osmosis device by thick water reverse osmosis booster pump after treatment;The thick water generated after ultra-low pressure thick water reverse osmosis device treatment is directly discharged, and water production enters reuse water tank, part is reused, another part is washed to ultra-low pressure thick water reverse osmosis device by flushing water pump;While ultra-low pressure thick water reverse osmosis device is connected chemical cleaning device.The utility model has the advantages of flexible system operation mode, simple operation, high degree of automation, efficient energy saving, low operating cost, stable and reliable etc..

The utility model discloses a diesel generator flue gas purification mechanism for civil air defence engineering, including air inlet pipe and purification bin, the air inlet pipe one end is linked with diesel generator exhaust pipe in civil air defence engineering power generation room intercommunication, the other end of air inlet pipe is inserted into the purification bin and the opening direction is perpendicular to downward, the open end position of air inlet pipe in the purification bin is connected with the shunt joint, each interface of shunt joint all is connected with the jet pipe that the air hole of pipe body lateral wall is evenly set up, the utility model relates to civil air defence engineering technical field, utilize liquid supply booster pump and press into the spray subassembly in alkaline solution (15% magnesium hydroxide compound agent), and further via spray subassembly to the spray of filler layer, make the nitrogen monoxide, nitrogen dioxide, sulfur dioxide and particulate matter etc. in tail gas contact with the alkaline water mist in purification bin and filler layer, to the purification treatment of nitrogen monoxide, nitrogen dioxide, sulfur dioxide and particulate matter.

The utility model discloses a device for testing the compression resistance of an aluminum shell of a capacitor, which belongs to the technical field of compression resistance testing of the aluminum shell of the capacitor, and comprises a machine base, the two sets of semi-permeable protective cylinders are fixedly connected to the machine base, the upper ends of the two sets of semi-permeable protective cylinders extend to the truss, and the bottoms of the semi-permeable protective cylinders communicate with the exterior of the machine base through waste liquid pipes; two groups of clamping mechanisms; according to the utility model, the capacitor aluminum shell to be tested is placed in the corresponding semi-permeable protective cylinder, the electric cylinder drives the clamping mechanism to clamp and position the capacitor aluminum shell, the high-pressure liquid pressurized by the gas-liquid booster pump in the pressurizing pipe is injected into the capacitor aluminum shell to be tested, and the pressure of the pressure gauge and the liquid leakage condition of the capacitor aluminum shell are observed. The two groups of test structures are designed independently, so that the other group of structure is in a test state while one group of structure clamps the capacitor aluminum shell to be tested, and the test continuity is ensured.

The utility model relates to a beer filtering device applying a cross-flow filtering technology, which comprises a base, a stock solution tank is fixedly mounted at the top of the base, a storage tank is fixedly mounted at the top of the base, and a filtering mechanism is arranged at the top of the base. According to the beer filtering device applying the cross-flow filtering technology, when beer needs to be filtered, firstly, a controller drives a booster pump outside a first water inlet pipe to be started, at the moment, the beer liquid enters a first filtering tank through the first water inlet pipe, and at the moment, a first filtering membrane group can roughly filter the beer through a porous supporting layer, a transition layer and a separation layer; at the moment, part of the fermented beer liquid flows through the upper end of the first filtering membrane group under the action of flow shearing force, the electromagnetic valve is started, enters the return pipe from the first shunt pipe and returns to the stock solution tank through the return pipe, the rest of the beer liquid enters the second filtering tank through the second water inlet pipe, and the secondarily filtered beer liquid enters the storage tank through the guide pipe, so that filtering is completed.

The utility model provides a zero-cold-water waterway system and a heat purifying all-in-one machine, which comprises a filter unit, which comprises a booster pump and a first filter element which are sequentially arranged on a waterway along the water flow direction; the first switch valve is mounted on an upstream water path of the water inlet of the filtering unit; a water inlet of the heating unit is communicated with a water purification port of the first filter element through a first pipeline, and a water outlet of the heating unit is communicated with a hot water end through a second pipeline; the water inlet end of the zero cold water pipeline is communicated with the second pipeline, the water outlet end of the zero cold water pipeline is communicated with an upstream water path of the booster pump through a first three-way valve, and the first three-way valve is located on a water path between the first switch valve and the booster pump; and the second switch valve is mounted on the zero cold water pipeline. Power is provided through the booster pump, residual water in the hot water pipeline is discharged into waste water, and it is guaranteed that the temperature of hot water is not affected by cold water in the pipeline when the hot water is used next time.

To provide an energy recovery device capable of preventing malfunction due to a reduced flow rate of low-pressure brine during the filling process. [Solution] The system comprises first and second cylinder devices 9A and 9B connected to the concentrated water pipe 4 via first or second flow path switching mechanisms 6A and 6B, a control unit C that controls the flow and discharge of concentrated brine to these devices, a flow path direction regulating mechanism 11 that fills the first and second cylinder devices with low-pressure brine and returns the high-pressure brine that is pushed out to the membrane separator via a booster pump 10, and a first flow meter 18a connected to the concentrated water pipe that measures the flow rate of concentrated brine and transmits a first flow rate signal to the control unit, the control unit controlling the booster pump based on the first flow rate signal to adjust the flow rate of concentrated brine to the cylinder devices during the pumping process.

The multipurpose unmanned aerial vehicle comprises a transmission unmanned aerial vehicle body, floating blocks are fixedly connected to the two sides of the bottom of the transmission unmanned aerial vehicle body, a storage battery is fixedly installed on one side of each floating block, a pesticide storage box is fixedly installed on the surface of a supporting plate, and a booster pump is fixedly installed on the top of the pesticide storage box. A connecting pipe is rotatably installed at a water outlet of the booster pump, a spraying head is rotatably installed at the top of the transmission unmanned aerial vehicle, a cleaning unmanned aerial vehicle is fixedly connected to the tail end of the traction power line, a first transmission motor is fixedly installed at the bottom of the positioning rod, and a cutting blade is fixedly connected to a transmission shaft of the first transmission motor. The cleaning unmanned aerial vehicle has the advantages that algicide in the pesticide storage box is automatically sprayed to the water surface through the booster pump in the transmission unmanned aerial vehicle, pesticide cleaning of algae on the water surface is achieved, the cleaning unmanned aerial vehicle moves in the water, the algae in the water body are cut and cleaned through the cutting blades, manpower is saved, and meanwhile the cleaning efficiency is improved. And the cleaning efficiency of the algae in the water environment is greatly improved.

The invention relates to the technical field of low-temperature liquefied hydrocarbon gasification, in particular to a system and method for normal-temperature storage and low-temperature C1-C4 liquefied hydrocarbon gasification. The system comprises a low-temperature liquefied hydrocarbon storage raw material tank, a low-temperature liquid booster pump, a liquefied hydrocarbon gasifier, a circulating air heater and a circulating fan which are sequentially connected through pipelines and necessary pipe fittings, and the circulating fan is connected with the liquefied hydrocarbon gasifier to form a low-temperature liquefied hydrocarbon gasification flow path and a circulating gas flow path. The low-temperature liquefied hydrocarbon gasification flow path is a flow path for heating and gasifying liquid hydrocarbon by the liquefied hydrocarbon gasifier to form gas hydrocarbon to an external production device; and the circulating gas flow path is a flow path through which circulating gas circulates between the liquefied hydrocarbon gasifier and the circulating air heater under the pressurization of the circulating fan. The system is safe, reliable, feasible in industrialization and stable in operation, the frosting problem of the air temperature type vaporizer can be effectively solved, the process is simple, and a heating medium is safe, environmentally friendly and easy to obtain.

The utility model discloses novel liquid filtering equipment. The novel liquid filtering equipment comprises a booster pump, a check valve, a liquid conveying pipe and a filter, the filter comprises an upper tank body and a lower tank body, a layer of filter holes are fixedly formed in the upper part of an inner cavity of the lower tank body, a silk woven filter element is laid above the filter holes, and a sealing ring is cushioned above the silk woven filter element; the periphery of the lower part of the upper tank body and the upper part of the lower tank body spirally press the sealing ring through threads to be connected to form sealing; the novel liquid filtering equipment and the silk woven filter element thereof are scientifically designed, so that silkworms can be massively bred, and the cost of silk is far lower than that of a nano filtering layer; physical properties such as diameter, toughness and adhesiveness of the silk are far better than those of the filter cotton; the filter element woven by silk cannot be broken to enter liquid to form self-pollution; the silk weaving process is simple and mature, and shaping is convenient; the device has the advantages of low cost, excellent filtering effect, high integrity and high price and is easy to popularize; the method has innovativeness, creativity and practicability.

A multi-stage circulating separation equipment is used to solve the problem of poor effect of conventional separation of a mixture. The multi-stage circulating separation equipment comprises a tank, a plurality of cyclones, a plurality of pressurizing pumps, and a pipeline module. The tank includes an upstream end and a downstream end. The tank includes an interior divided by a plurality of partitioning boards into a crude liquid chamber and a plurality of treatment liquid chambers. The crude liquid chamber and the plurality of treatment liquid chambers are arranged from the upstream end towards the downstream end. Each of the plurality of cyclones includes at least one discharge port and at least one return port. The discharge ports of the plurality of cyclones intercommunicate with the plurality of treatment liquid chambers, respectively. The pipeline module is connected to the tank, the plurality of cyclones, and the plurality of pressurizing pumps.

The present invention reduces the period during which a vacuum pump with an abatement function cannot be operated. Provided is a vacuum pump with an abatement function, comprising a dry pump for evacuating exhaust gas from a tool, and an abatement section for abating the exhaust gas evacuated by the dry pump, wherein the dry pump comprises: a pedestal; a booster pump disposed on the pedestal and connected to the tool; a first main pump disposed at the side of the pedestal and connected to the booster pump; and a second main pump disposed at the side of the pedestal and connected to the booster pump.

The invention provides a metal hydrogen exposure experiment device and method. The metal hydrogen exposure experiment device comprises a first piston container, a second piston container, a constant temperature box, a roots vacuum pump, a trace booster pump and a cushion block, the first piston container and the second piston container respectively comprise a shell, a first end cover, a second end cover and a piston body; the first piston container is horizontally placed in the constant temperature box; the second piston container is vertically placed outside the constant temperature box; an extraction opening of the roots vacuum pump is communicated with a first end opening of the first piston container; an exhaust port of the trace booster pump is communicated with a first end opening of the second piston container, and a second end opening of the second piston container is communicated with a first end opening of the first piston container. The device has the technical effects that the design is reasonable, hydrogen-induced damage behaviors of the metal material under various environmental conditions can be simulated, and a precise hydrogen exposure experiment on the metal material is realized.

The utility model discloses a compressed air purging cut-off device which comprises a melt booster pump, the melt booster pump is provided with an output shaft, one end of the output shaft is provided with a machine sealing device, the machine sealing device is connected with a temperature sensor, one side of the machine sealing device is connected with an air inlet pipe, the air inlet pipe is connected with an electromagnetic valve, and the electromagnetic valve is connected with an air outlet pipe. The temperature sensor and the electromagnetic valve are both electrically connected with the linkage control device. According to the compressed air purging cut-off device, when the melt booster pump is shut down accidentally, the temperature sensor can detect the real-time temperature of the mechanical seal device, and when the real-time temperature is lower than a safety threshold value, the linkage control device can immediately control the electromagnetic valve to be closed, so that compressed air is cut off, purging is stopped, and the mechanical seal device is safe and reliable. And the temperature of the mechanical seal device is prevented from decreasing too fast, so that melt in the pump body is prevented from being solidified due to cooling, and rapid recovery of production is facilitated.

This invention proposes a water-absorbing pet bathing and drying all-in-one machine, comprising: a housing, a partition, a centrifugal fan, a blower baffle, and a shower system; the housing is provided with an inlet / outlet, a door, a vent, and a drain outlet; the partition located in the lower part of the housing divides the housing into a drying chamber and a fan chamber; the partition is provided with an air intake connecting the drying chamber and the fan chamber, and a filter screen is provided at the air intake; the air inlet of the centrifugal fan located in the fan chamber located on the lower side of the partition is connected to the air intake, and a heater is provided at the air outlet of the centrifugal fan; the casing of the centrifugal fan is connected to the drain outlet through a pipe; a hot air channel is formed between the blower baffle located in the housing and the side wall of the housing, and the lower end of the hot air channel is connected to the air outlet of the centrifugal fan; the blower baffle is provided with multiple blower holes connecting to the drying chamber; the shower system located in the housing includes a water inlet, a booster pump, a spray pipe, and multiple spray heads connected thereto.

This invention discloses a hydraulic piston for an air booster pump, relating to the technical field of hydraulic pistons for air booster pumps. It includes a push rod, one end of which has a positioning insert that can pass through a brake piston, and the other end is a connecting end that connects to an air chamber piston. A sealing gasket is provided between the brake piston and the push rod for sealing connection. The diameter of the free end of the sealing gasket is smaller than the diameter of the contact surface of the push rod. This application eliminates the push rod seat connecting the brake piston and the push rod in conventional air booster pumps, ensuring braking sensitivity and thus increasing safety. This application achieves rapid and sensitive response by directly connecting the brake piston and the push rod, improving braking safety and saving braking reaction time.

The application belongs to the technical field of water quality filtering of heat exchange equipment, and particularly relates to a filtering device and method for water quality of wave disturbance flow cooling heat exchange equipment, which comprises a primary filtering tank with supporting feet, a primary filtering mechanism is arranged in the primary filtering tank, a backwashing filter is arranged below the primary filtering tank, an aggregation mechanism is arranged between the primary filtering tank and the backwashing filter, and a sterilization mechanism is arranged at the output end of the backwashing filter. The filtering device and method for water quality of wave disturbance flow cooling heat exchange equipment, through the booster pump for pressurizing the spray water entering the metal bellows, the instantaneous high-pressure water flow impacting the metal bellows can generate a longitudinal wave and compression, and then the micro-particles can be compressed into groups, and the two groups of reset ropes relatively reset the metal bellows, so that the spray water and the particles in the water are pushed forward to flow into the backwashing filter, so that the water flow passes through the filtering medium to filter out the solid particles and suspended matters in the water, thereby reducing the operation cost.