4088 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 invention discloses a carbon dioxide booster pump control system and method, particularly relates to the technical field of carbon dioxide booster pump control, and aims at transient interference pulses caused by starting and stopping of a pump body in the batch production process, millisecond-level timestamp mapping is adopted to achieve interference and steady-state pulse separation. Performing sliding median filtering on the steady-state pulse, extracting a window center peak value, and performing incremental accumulation in sequence to obtain operation accumulated flow in real time; based on the last peak time label, synchronously collecting temperature and pressure measurement values, generating a correction amount through a predefined temperature correction function and a user-defined pressure correction function, adding the correction amount according to a fixed weight, and converting the correction amount into a compensation pulse count through pulse-volume conversion to correct an accumulated error; high-precision flow metering and compensation are achieved through the synergistic effect of start-stop interference elimination, filtering peak value extraction and a correction function, and the reliability of a carbon dioxide booster pump control system under the complex working condition is improved.

The invention belongs to the technical field of energy storage, and relates to a compressed air and water coupled multi-energy co-production energy storage system and method, comprising an air compressor, a first heat exchanger, a second heat exchanger, an air turbine and a cooling module; a circulating medium of the first circulating loop is fused salt; the circulating medium of the second circulating loop is water, and the second circulating loop comprises a low-temperature water tank, a first booster pump, a second heat exchanger, a high-temperature water tank, a flash tank, a third heat exchanger, a steam turbine high-pressure cylinder and a heating module which are sequentially communicated end to end. Compression heat generated by compressed air can be stored in fused salt and water, special geographical conditions needed for storing high-pressure air are avoided, meanwhile, in the energy release stage, the stored water is used for flash evaporation and fused salt heating and then enters a steam Rankine cycle to do work, combined heat and power generation can be achieved in winter, combined cooling and power generation can be achieved in summer, and the energy-saving effect is achieved. Therefore, combined supply of different kinds of energy in different seasons is achieved, and the energy supply efficiency is improved.

The condensation pump type dilution refrigerating machine with the booster pump comprises the pre-cooling module and the dilution module, the pre-cooling module provides the required pre-cooling temperature for the dilution module, the dilution module uses the booster pump working at 1K, 3He circulation is achieved through cooperation of the booster pump and the condensation pump, no room-temperature circulation system is arranged, and therefore the dilution effect is good. And the defects of high heat loss and high compression power consumption in a room temperature circulation mode are overcome. Meanwhile, due to the fact that the booster pump is used, the system can obtain larger circulating flow so as to achieve larger cooling capacity, and the defect that a condensation pump type dilution refrigerator obtains large refrigerating power is overcome.

The invention discloses a process and equipment for synthesizing fluorapatite from wastewater, the equipment comprises a blending tank, a dispensing tank, a crystallization fluidized bed reactor, a reaction tank, a coagulation tank, a flocculation tank, a sedimentation tank, a pH detection device, a lift pump and a control system, fluorine-containing sewage and phosphorus-containing sewage are mixed in the blending tank, so that the molar ratio of fluorine to phosphorus is 0.34-0.4; the method comprises the following steps: adding fluorapatite into a reaction tank, adjusting the pH value to 7.5-8.5, pumping the fluorapatite and lime slurry into a crystallization fluidized bed reactor according to a calcium-phosphorus molar ratio of (3-3.5): 1, carrying out a crystallization reaction, naturally airing the generated fluorapatite crystals, carrying out a reaction on crystallization treatment water and the lime slurry in the reaction tank to remove fluorine and phosphorus, carrying out coagulation, flocculation and precipitation treatment, and discharging the effluent after reaching the standard. The high-quality fluorapatite product is prepared from the fluorine-containing sewage and the phosphorus-containing sewage, so that the preparation cost is low, and resourceful treatment of the fluorine-containing sewage and the phosphorus-containing sewage is realized.

The utility model relates to the technical field of water purification, and discloses a booster pump assembly which is used for pressurizing fluid in a water purifier and comprises a booster pump and an air bag body, an air chamber for storing air is arranged in the air bag body; the air bag body is positioned inside the water purifier, and a mounting groove is formed outside the air bag body; the booster pump is installed and positioned in the installation groove, the air bag body suspends and supports the booster pump, and mechanical vibration transmitted to the outside when the booster pump works is blocked and restrained for noise reduction. The air bag body is selected as a supporting structure to suspend and position the booster pump, the air bag body is filled with air, the air can play an extra buffering role, the vibration isolation effect is enhanced, vibration energy generated when the booster pump works is more effectively absorbed and dispersed, mechanical vibration transmitted to the outside by the booster pump is effectively restrained and reduced, and the service life of the booster pump is prolonged. The noise generated when the water purifier works is reduced, so that the user experience is deeply improved.

The utility model discloses a booster pump damping water outlet channel, which comprises a water inlet pipe, a water inlet cavity, a water outlet cavity and a water outlet pipe, a first one-way valve is arranged between the water inlet pipe and the water inlet cavity, a water pumping driving device is arranged in the water inlet cavity, and a second one-way valve is arranged between the water inlet cavity and the water outlet cavity; the water outlet cavity comprises a main cavity channel and a secondary cavity channel, the second one-way valve is arranged at the bottom of the main cavity channel, a separation cover protruding towards the secondary cavity channel is arranged between the main cavity channel and the secondary cavity channel, a plurality of water passing gaps communicated with the main cavity channel and the secondary cavity channel are formed in the side wall of the separation cover, and the water passing gaps directly face or obliquely face the side wall of the main cavity channel. And the secondary cavity channel is communicated with the water outlet pipe. The utility model has the advantages of low vibration and noise.

The invention discloses a flue gas desulfurization structure for a thermal power plant, and relates to the technical field of flue gas desulfurization, the flue gas desulfurization structure comprises a desulfurization tower, a flue gas inlet pipe is fixed at the front end of the desulfurization tower, a flue gas discharge pipe is fixed at the upper end of the desulfurization tower, a support is fixed on the outer wall of the desulfurization tower, and support legs are fixed at corners of the bottom end of the support; and a demister is arranged in the desulfurization tower. Through cooperation of the driving part and the spraying part, the first booster pump of the spraying part extracts desulfurization reaction liquid from the liquid storage tank, the desulfurization reaction liquid is distributed to the rotary spraying pipe through the adapter pipe, and full-coverage spraying is achieved through the atomization nozzles; a motor of the driving part drives a bevel gear I to drive a bevel gear ring I and an inner ring spraying pipe to slowly rotate and to be matched with a barrier plate to synchronously rotate, so that the spraying coverage area is enlarged, reaction products attached to the inner wall of the tower are scraped in real time, and blockage is prevented.

The utility model discloses a converter station resin replacement system based on the negative pressure jet principle, which comprises a booster pump, a reversing valve, a resin particle bin, an ion exchanger, a water suction pump and a particle recovery bin, an inlet of the booster pump is communicated with a water source through a first valve, and an outlet of the booster pump is communicated with an inlet of the reversing valve through a pipeline provided with a pressure gauge. An outlet of the reversing valve is communicated with an upper inlet of the ion converter through a first pipeline, the first pipeline is communicated with the resin particle bin through a pipeline provided with a second valve, a lower outlet of the ion converter is communicated with an inlet of the water suction pump through a second pipeline, and an outlet of the water suction pump is communicated with the particle recovery bin through a pipeline; most old resin particles are driven to be discharged out of the ion exchanger through high-speed jet flow, air in the new resin storage bin is taken away through the high-speed jet flow, negative pressure is formed to enable the new resin particles to be entrained and sucked into the pipeline, a mixture of the resin particles and water is conveyed into the ion exchanger, and filling of the new resin particles in the ion exchanger is achieved.

A mobile pump system for pumping water for extinguishing with an auxiliary agent, and a method therefor. The mobile pump system includes a frame for housing the pump system, a booster pump arranged in the frame, a metering pump arranged in the frame for the purpose of adding an auxiliary agent to a water flow, and a drive configured to drive the booster pump and the metering pump. The metering pump is provided with a displaceable metering pump frame and coupling means for connecting the metering pump to a container of the auxiliary agent.

The utility model discloses a methanol fuel supply system of a ship dual-fuel generator, which comprises a methanol fuel supply main pipeline, the methanol fuel supply main pipeline comprises an input pipeline and an FVT input pipeline, and a booster pump, a safety relief valve, a heat exchange system and a filter are sequentially arranged between the input pipeline and the FVT input pipeline. According to the utility model, a high-integration and compact skid-mounted design is adopted, the insufficiency of the ship space is fully considered, and under the condition that the original ship space is utilized, the methanol fuel which is free of impurities and meets the standard can be continuously and stably supplied to the FVT; and a large number of safety measures are designed, so that leakage and seepage of methanol can be effectively handled, and major harm to personnel health and driving safety caused by methanol volatilization is prevented.

The invention discloses a high-temperature supercritical carbon dioxide steady-state jet flow experiment device and method, and the device comprises a liquid storage tank, a liquid booster pump, a plunger pump, a first mass flow meter, a second mass flow meter, a heating section, a first electric control valve, a first-stage cooler, a second-stage condenser, a back pressure valve, and a main loop system composed of related pipe fittings and equipment. The gas supply system consists of a carbon dioxide gas cylinder group, a gas storage tank, a gas booster pump and related pipe fittings and equipment; and the jet experiment section consists of a spray pipe, a second electric control valve, an electric stop valve and related pipe fittings and equipment. The invention further provides an experimental method of the device. According to the invention, the steady-state jet flow experiment research of supercritical carbon dioxide under the high-temperature condition can be realized.

The invention relates to an experimental device and an experimental method for simulating CO2 storage in a coexistence space of a coal seam and a goaf of an abandoned mine, the device comprises a gas source module and a pressurization module, the pressurization module comprises an air compressor and a gas booster pump; the simulation module comprises a high-pressure gas buffer tank, a simulation coal seam module and a simulation goaf module, and the high-pressure gas buffer tank is connected with the gas booster pump; wherein the simulation coal seam module comprises a coal seam tank, the coal seam tank is coated with a heat insulation layer, a coal sample, a temperature sensor I and a pressure sensor I are arranged in the coal seam tank, a strain test part is arranged on the surface or in the coal sample, an inlet of the coal seam tank is connected with a gas booster pump, and an outlet is connected with the analysis module; the mined-out simulation module comprises a cavity tank, a temperature sensor II and a pressure sensor II are arranged in the cavity tank, an inlet of the cavity tank is connected with an outlet of the coal seam tank and the gas booster pump through valves, and the outlet of the cavity tank is connected with the analysis module.

The invention relates to the technical field of dry ice tail gas recovery, and discloses a tail gas recovery device for preparing dry ice, which comprises a tail gas pipe, the left end of the tail gas pipe is communicated with a tail gas outlet of dry ice production equipment, the right end of the tail gas pipe is communicated with an adsorption tower, and a carbon dioxide adsorption part is fixedly mounted in the adsorption tower. Carbon dioxide in tail gas is adsorbed through a carbon dioxide adsorption part in an adsorption tower, then the carbon dioxide is collected through a collecting cover, collected carbon dioxide gas flow enters a communicating pipe along an output pipe and then is guided into a compressor after being pressurized by a booster pump, the carbon dioxide gas is compressed through the compressor, and the compressed carbon dioxide gas flows into the tail gas. Compared with the mode that tail gas is introduced into a compressor, the mode that the tail gas is used as a raw material for preparing dry ice can purify the tail gas and increase the content of carbon dioxide, and then the high-temperature liquid state compressed by the compressor can meet the requirement for manufacturing the dry ice.

The utility model discloses a booster pump of a hydrogen compressor, which comprises a base, and a hydrogen compression cylinder, a driving system and a balance gas tank are arranged on the base. The driving system drives a piston in the hydrogen compression cylinder to move back and forth to compress hydrogen in the cylinder body; the hydrogen compression cylinder is a composite cylinder body; two independent compression chambers are symmetrically arranged in the hydrogen compression cylinder, the balance gas tank is used for balancing the two compression chambers, and a gas inlet and a gas outlet which are communicated with the compression chambers are formed in the hydrogen compression cylinder; and one-way valves are arranged at the air inlet and the air outlet, and efficient compression of hydrogen can be achieved through the double compression cavities which are symmetrically arranged.

The utility model relates to the technical field of hydrogen drying devices, in particular to a low-pressure, low-dew-point and low-pressure-drop hydrogen drying device which comprises an adsorption tower which comprises a tower A and a tower B, after water is cooled and separated through a regeneration cooler and a regeneration gas-water separator, the hydrogen enters an adsorption tower A through V1 to absorb water and dry to meet the requirement, the hydrogen is discharged out of the tower and passes through V7 to reach a gas using point, a small part of about 20% of gas is divided from dry gas at an outlet and is electrically heated to 180 DEG C, and the gas is sent to a tower B through V6 to regenerate and activate an adsorbent; hydrogen absorbing moisture is discharged from the tower and enters a gas inlet cooler and a gas inlet gas-water separator through a V4, the temperature of the cooled and dehydrated hydrogen is greatly increased after the cooled and dehydrated hydrogen is pressurized by a booster pump, the cooled and dehydrated hydrogen is converged with hydrogen at an inlet and then passes through a regeneration cooler and a regeneration gas-water separator, the cooled and dehydrated hydrogen returns to the adsorption tower A to adsorb moisture, and first-step pressurized reflux drying is completed; and similarly, hydrogen is adsorbed from the tower B, is subjected to split-flow heating regeneration, passes through the tower A, is pressurized and then flows back to the tower B again.

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 utility model relates to a wall-mounted water purifier and a water path system used for the same. The water path system comprises a water inlet electromagnetic valve, at least two booster pumps and at least two reverse osmosis filter elements, the water inlet electromagnetic valve is connected to the raw water inlet end, pure water outlets of the reverse osmosis filter elements are connected to the pure water outlet end, and the reverse osmosis filter elements and the booster pumps are arranged between the water inlet electromagnetic valve and the pure water outlet end in parallel; each booster pump is correspondingly connected to each reverse osmosis filter element; the bypass unit comprises a bypass pipeline and a bypass switch, the bypass water inlet end of the bypass pipeline is connected between the raw water inlet end and the water inlet electromagnetic valve, and the bypass water outlet end of the bypass pipeline is connected between the reverse osmosis filter element and the pure water outlet end; the bypass switch is installed on the bypass pipeline and used for controlling connection or disconnection of the bypass water inlet end and the bypass water outlet end. Through the arrangement of the bypass unit, the at least two reverse osmosis filter elements and the booster pump, the requirements of normal water use, emergency water use and large-flow water use of a user are met.

The invention belongs to the technical field of aqueduct maintenance, and particularly discloses a high and large aqueduct body concrete spraying and maintaining device which comprises two main beams, a plurality of main beams and a plurality of auxiliary beams. The number of the straining beams is multiple, the multiple straining beams are sequentially distributed in the length direction of the two main beams, and the two ends of each straining beam are fixedly connected with the two main beams correspondingly; the rails are arranged in two rows, the two rows of rails are arranged on the two sides of the top end of the aqueduct body respectively, and the two main beams are perpendicular to the rails and are in sliding fit with the two rows of rails; the water tank is mounted at the top ends of the two main beams; the number of the spraying pipes is two, the two spraying pipes are located on the two sides of the aqueduct body respectively, and gaps are formed between the spraying pipes and the aqueduct body; the upper part of the spraying pipe is connected with the main beam; the water tank is communicated with the spraying pipe through a pipeline, and the pipeline is connected with a booster pump; and a plurality of spray heads are mounted on the spray pipe. Spraying maintenance can be conducted on the aqueduct body on the outer side of the aqueduct body, and the maintenance quality is improved.

The invention relates to the technical field of mine water concentration treatment, and provides a reverse osmosis treatment system and a method thereof.The reverse osmosis treatment system comprises a control system, a raw water booster pump, a precision filter, a plunger pump, a circulating pump, a plurality of STRO membrane sets arranged in parallel, an internal circulation pressure reducing valve, an energy recovery device and a concentrated liquor outward-discharging pneumatic valve; the raw water booster pump, the precision filter, the plunger pump, the circulating pump and the STRO membrane group are connected in sequence; effluent of each STRO membrane group is divided into a concentrated solution and a permeate, the permeate is discharged through a water production pneumatic valve, one part of the concentrated solution returns to an inlet of the circulating pump, and the other part of the concentrated solution is discharged after passing through the energy recovery device. The yield of the concentrated liquor is reduced by half compared with that of secondary concentrated liquor, a large number of available water resources are saved, meanwhile, the treatment scale of rear-end evaporation crystallization equipment is reduced, the tolerance of a film element is protected, the service life of the film element is prolonged, and energy consumption is greatly reduced.

The utility model discloses an oil-gas condensation separation and hydrogenation precooling shared device for an oil-hydrogen combined station. The oil-gas condensation separation and hydrogenation precooling shared device comprises a hydrogen storage device and an oil storage device, the hydrogen storage device is sequentially connected with the high-temperature side of the hydrogen heat exchanger, the hydrogen adding machine and the hydrogen filling device; a cooling coil is arranged outside the oil storage device; an outlet of the cooling coil is provided with an oil storage temperature detection sensor, and a hydrogen temperature detection sensor is arranged between the hydrogen heat exchanger and the hydrogenation machine; the high-temperature side of the oil tank heat exchanger is sequentially connected with the booster pump and the cooling coil to form circulation; two ends of the low-temperature side of the oil tank heat exchanger are connected with a second short-circuit bypass; and a second three-way valve is arranged between the second short-circuit bypass and the input end of the low-temperature side of the oil tank heat exchanger. Atmospheric pollution caused by oil gas volatilization is avoided, and the utilization efficiency of energy and equipment in the station is improved.

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 discloses a pump booster type LNG cold energy utilization system and a control method thereof, the LNG cold energy utilization system comprises an LNG storage tank, a cooler, a gas supply mechanism and a booster pump, the cooler comprises a cooling shell, a first heat dissipation pipe and a second heat dissipation pipe, and the first heat dissipation pipe and the second heat dissipation pipe are arranged in the cooling shell; the gas supply mechanism comprises a vaporizer and a buffer tank, and a third heat dissipation pipe and a fourth heat dissipation pipe are arranged in the vaporizer. The system has the beneficial effects that by arranging the booster pump, the system can effectively suck LNG gas in the buffer tank into the LNG storage tank, so that the pressure in the LNG storage tank is increased, and the pressure in the LNG storage tank can be kept stable when a vehicle runs; meanwhile, according to the system, cold energy is provided for the refrigeration air conditioner through a second heat dissipation pipe in the cooler, recycling of LNG cold energy is achieved, and the energy utilization efficiency of the whole system is improved.

The invention discloses equipment and a method for preparing a self-adaptive anti-corrosion coating of a metal anchor rod in a humid environment, and relates to the field of preparation of anti-corrosion coatings. The equipment for preparing the self-adaptive anti-corrosion coating of the metal anchor rod in the humid environment comprises a mixing tank, feeding pipes fixedly communicate with the top and the side wall of the mixing tank, the equipment further comprises a rotating shaft rotationally connected into the mixing tank, a plurality of sets of elastic rods are rotationally connected to the rotating shaft at equal intervals, each set of elastic rods comprises a plurality of elastic rods, and the elastic rods are arranged in the mixing tank. The blades are equidistantly distributed along the outer wall of the rotating shaft; the stretching degree of the elastic rod is changed through the centrifugal force of the balancing weight, a booster pump is matched for gas conveying, coating raw materials are fully stirred, mixing is more uniform, meanwhile, the gas spraying amount is controlled through lifting of the connecting shaft, the elastic rod and the balancing weight are driven to rotate, the raw materials are disturbed from multiple dimensions, an all-dimensional and multi-layer stirring mode is formed, and the stirring efficiency is improved. The mixing uniformity is greatly improved, the mixing time is remarkably shortened, and the production efficiency is improved.

The invention discloses a once-through furnace water supply system coupled with a steam feed pump set and a hydraulic turbine booster pump set and a control method. Compared with a conventional once-through furnace water supply system, the once-through furnace water supply system is coupled with a full-flow water supply bypass system comprising a water supply bypass header, the hydraulic turbine booster pump set, a water storage tank and other equipment; the device is put into use during deep peak regulation of the once-through furnace. Detailed control strategies are elaborated on the basis and include control methods of the full-flow water supply bypass system in different stages of commissioning, dry-wet state conversion and the like. According to the method, the economical efficiency and the adjusting performance of the direct-current furnace during deep peak shaving are improved, the inlet flue gas temperature and the denitration efficiency of the SCR denitration system can be increased by improving the dry-wet state conversion load point of the direct-current furnace, and the environment-friendly performance of the direct-current furnace during deep peak shaving is improved.

The utility model discloses a waterway system and water purification equipment, and relates to the technical field of water purification, the waterway system is provided with a gas inlet end, a water inlet end and a water outlet end, the waterway system comprises a gas inlet valve, a jet device, a booster pump and a gas mixing tank, the gas inlet end and the water inlet end are both communicated with the jet device, the jet device is communicated with the booster pump, and the booster pump is communicated with the water outlet end; the booster pump comprises a base, a diaphragm assembly and a pump cover. The diaphragm assembly is arranged on the base; the pump cover is connected with the base and provided with a water inlet and a water outlet. A low-pressure cavity and a high-pressure cavity are formed between the pump cover and the diaphragm assembly, the low-pressure cavity is communicated with the water inlet, the high-pressure cavity is communicated with the water outlet, the volume of the low-pressure cavity is V1, the volume of the high-pressure cavity is V2, and V1 / V2 is larger than or equal to 1.5 and smaller than or equal to 3. According to the booster pump, the air pumping efficiency of the booster pump can be improved, and therefore it is guaranteed that a waterway system continuously discharges microbubble water, and user experience is improved.

The utility model relates to the technical field of water pollution prevention and control, and discloses a water pollution prevention and control solid-liquid separator which comprises a separation box, a through hole is formed in one side of the separation box, the end, located at the through hole, of the separation box is fixedly connected with a slag collection box, and one end of the inner wall of the separation box is rotationally connected with a conveying belt. One end of the conveying belt penetrates through the through hole to be rotatably connected with the slag collecting box, a plurality of filtering holes are evenly formed in the surface of the conveying belt, a cleaning roller is rotatably connected to the inner wall of the slag collecting box and located below the conveying belt, an air spraying pipe is fixedly connected to the inner wall of the slag collecting box and located in the middle of the conveying belt, and an air booster pump is fixedly connected to the top of the slag collecting box; according to the sewage treatment device, the filter holes are formed in the conveying belt to filter sewage, solid waste is conveyed into the slag collecting box through the conveying belt, and the conveying belt is cleaned through the design of the cleaning roller, the air booster pump and the air spraying pipe.

The invention belongs to the field of plant extracting solution concentration, and discloses a low-pressure high-power concentration device for a plant extracting solution and a concentration method using the low-pressure high-power concentration device. The device is based on a series reverse osmosis membrane stack and a feeding pump, a fresh water collecting tank, a booster pump, three types of pressure sensors, two types of osmometers, a water inlet pressure control system and a one-way valve are additionally arranged, the three types of pressure sensors are used for detecting the pressure of a feeding header pipe, the pressure of concentrated water and the pressure of a fresh water header pipe respectively, and the two types of osmometers are used for detecting the osmotic pressure of the feeding header pipe and the osmotic pressure of the concentrated water respectively. The water inlet pressure control system adjusts the design pressure of the device and the osmotic pressure of the plant extracting solution by adjusting the frequencies of the booster pump and the feeding pump, so that accurate monitoring of parameters is realized, efficient concentration of the plant extracting solution under low pressure is guaranteed, scaling on the surface of a reverse osmosis membrane is delayed, the service life of a membrane stack is prolonged, and continuous production of membrane concentration and filtration is realized.

The invention discloses a shale gas reservoir free gas and adsorbed gas yield testing device and method, and belongs to the technical field of shale gas reservoir development and productivity evaluation.The shale gas reservoir free gas and adsorbed gas yield testing device is characterized in that the inlet end of a shale holder is connected with the outlet end of a booster pump through a high-pressure pipeline; the inlet end of the booster pump is respectively connected with a methane gas cylinder, a helium gas cylinder and a vacuum pump through a four-way joint; the confining pressure inlet end of the core holder is connected with a confining pressure pump through a high-pressure pipeline; the outlet end of the core holder is connected with a back-pressure valve through a high-pressure pipeline, and a pressure sensor is arranged on the pipeline between the core holder and the back-pressure valve; the outlet end of the back-pressure valve is connected with a gas flowmeter; helium / methane saturation and gas production experiments are respectively carried out based on the test device, and free gas cumulative yield and adsorption gas cumulative yield are obtained according to a relation curve drawn by test data. The method can be used for quantitatively acquiring the free gas, the adsorbed gas and the cumulative yield of the shale gas reservoir, and the accuracy of a measurement result is improved.