5763 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 discloses a double-side water inlet and outlet independent salt path control valve and an operation method thereof.The double-side water inlet and outlet independent salt path control valve comprises a control valve body, a control valve flow channel switching assembly and a salt path switching assembly, and a grating inner cavity communicating with a softening tank is formed in the control valve body; the water inlet channel and the water outlet channel are both communicated with the grille inner cavity and located in the same straight line direction, the siphon installation channel is communicated with the grille inner cavity, the siphon installation channel is communicated with the salt suction channel through a salt valve assembly installation channel, a pulse booster pump is arranged on the water inlet channel, and the pulse pump is started during back washing and front washing. Based on the cooperative arrangement of the control valve body, the control valve flow channel switching assembly and the salt path switching assembly, the control valve can be conveniently operated, and the working states of purification, backwashing, salt absorption or water supplement of the softening machine can be flexibly switched; and the pulse pump is started during backwashing and conventional washing, so that the pressure of the water inlet is increased, the backwashing and conventional washing time is shortened, the backwashing and conventional washing effects are enhanced, and wastewater discharge is reduced.

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 refrigerant filling, and particularly relates to a refrigerant filling device with a vacuum leak detection function, which comprises a displacement plate, a box body, a controller, a liquid storage tank, a vacuum pump, a manifold assembly, a booster pump and a connecting pipe assembly, and the connecting pipe assembly is connected with a balance assembly; the connecting pipe assembly comprises a manifold head, and the manifold head is connected with the balance assembly through a corrugated pipe. When the refrigerating system is vacuumized, air and water in the refrigerating system are pumped away through the vacuum pump, the sealing plate, the connecting ring and the corrugated pipe synchronously move towards the manifold head under the action of negative pressure, the connecting ring drives the corrugated pipe to be folded, and when the reset spring is stretched to the limit, the corrugated pipe is completely folded; moisture in the annular groove of the corrugated pipe is extruded out of the annular groove and pumped away through the vacuum pump, the corrugated pipe is in a completely folded state, the space of the annular groove is controlled to be in an extremely small range, the moisture is not prone to entering the annular groove when passing through the corrugated pipe, and moisture accumulation in the annular groove is avoided.

The invention relates to the technical field of temperature and pressure reduction, and provides a temperature and pressure reducer provided with a rapid limiting structure and convenient to install, which comprises a valve body, a temperature and pressure reducing mechanism, a temperature and pressure reducing mechanism, a pressure reducing mechanism and a pressure reducing mechanism, and is characterized in that the valve body comprises a main valve module and a pilot valve module; the main valve clack rotates and moves up and down according to the pressure, the number of the throttling holes facing the steam inlet is changed, the size of the throttling holes facing the steam inlet is adjusted, and output steam is more stable and more accurate; desuperheating water is input into the main valve clack through the flow guide pipe through the booster pump and sprayed into high-pressure steam flowing in from the steam inlet through the spray head, so that the desuperheating water and the high-pressure steam are mixed more evenly, and the atomization effect is improved. The sliding sleeve is driven by the main valve clack to move downwards, the nozzle area of the spray head is reduced, and therefore the amount of attemperation water is rapidly reduced, rapid limiting is achieved, and the situation that due to excessive attemperation water, evaporation is incomplete, temperature adjustment is inaccurate, and the attemperation effect is affected is prevented.

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 invention belongs to the field of direct utilization of liquefied natural gas cold energy, and particularly relates to a system for efficient cold energy power generation through organic Rankine cycle and a power generation method of the system. The system for efficient cold energy power generation through the organic Rankine cycle comprises a main heat exchanger, a Rankine cycle refrigerant booster pump, an NG thermolator, a first heat exchanger, a second heat exchanger, a third heat exchanger, a first Rankine cycle turbine, a second Rankine cycle turbine, a second Rankine cycle turbine and a power generator. The invention provides a novel cyclic power generation method by combining the characteristics that LNG receiving stations in China are mostly used for peak regulation stations and the working pressure is high. According to the method, a mixed working medium is selected as a refrigerant, seawater or other industrial waste heat is used as a high-temperature section heat source, organic Rankine cycle is used for doing work outwards, three-section power generation comprehensively recovers cold energy released during LNG gasification, and 42 kWh of power is generated for each ton of LNG according to the system and the power generation method through calculation.

The invention discloses an energy-saving heating device, and relates to the technical field of energy-saving heating, the energy-saving heating device comprises a box body, the front side surface of the box body is rotatably connected with two blocking doors, the bottom of the inner wall of the box body is fixedly connected with a heat preservation layer, and the inner wall of the heat preservation layer is fixedly connected with a buffer heat preservation box; a heating rod is fixedly connected to the bottom of the inner wall of the buffer heat preservation box, a water outlet pipe is fixedly connected to the left side of the top of the heat preservation layer, a water stop valve is fixedly connected to the upper end of the water outlet pipe, a water inlet pipe is fixedly connected to the right end of the top of the heat preservation layer, and an instant water heater is fixedly connected to the upper end of the water inlet pipe. According to the energy-saving heating device, the arranged circulating pump can increase the water pressure in the water outlet pipe, the water pump is used in cooperation, hot water is forced to flow through the water outlet pipe at a higher speed, meanwhile, the multiple booster pumps are arranged in each floor, and when hot water of a certain floor cannot reach the floor, the booster pumps can provide larger power for water.

A distributed hydrogenation device relates to the field of hydrogen energy application and comprises a water heater, a water cooler, a solid hydrogen storage system, a hydrogen booster pump, a cooler and a hydrogenation gun, the solid hydrogen storage system comprises a heat exchanger, a combined placement rack and a plurality of solid hydrogen storage modules, the water heater and the water cooler are connected with the heat exchanger, and the hydrogen booster pump is connected with the combined placement rack. A plurality of solid hydrogen storage modules are placed on the combined placing frame, metal hydrogen storage alloy is arranged in each solid hydrogen storage module and used for storing hydrogen, the solid hydrogen storage system is sequentially connected with the hydrogen booster pump, the cooler and the hydrogenation gun, and a buffer tank is arranged between the hydrogen booster pump and the hydrogenation gun. The temperature of the heat exchanger is regulated and controlled, so that the solid hydrogen storage system supplies hydrogen to the hydrogen booster pump at the required pressure, the hydrogen booster pump supplies hydrogen to the terminal vehicle-mounted hydrogen storage device through the hydrogenation gun after boosting to the required pressure, and the external hydrogen supply equipment supplements hydrogen to the solid hydrogen storage system regularly for the next cycle.

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 embodiment of the invention provides a gas water heater and a control method thereof. The gas water heater comprises a water supply pipeline; the combustor is used for heating the water supply pipeline; the fuel gas pipeline is used for conveying fuel gas to the combustor, and a fuel gas proportional valve and the combustor are sequentially connected in series on the fuel gas pipeline in the gas flow direction; the controller is used for responding to operation of a user, controlling the booster pump to pressurize water flow in the water supply pipeline at a first lift and controlling the gas proportional valve to work under a first working condition, so that the water outlet flow of the gas water heater exceeds the rated flow and the water outlet temperature reaches the expected temperature, the booster pump is used for being connected with the water supply pipeline, and the booster pump is used for being connected with the water supply pipeline; the first lift is larger than the rated lift of the booster pump, and when the gas proportional valve works under the first working condition, the thermal load of the gas water heater is larger than the rated thermal load. According to the gas water heater, constant-temperature water flow supply of super-lift water flow is achieved.

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 water purifier system using a novel diaphragm pump. The water purifier system comprises a water inlet electromagnetic valve, a front filter element, a booster pump head, a filter element, a water suction pump head, a first one-way valve, a rear filter element, a pressure switch and a water outlet valve which are connected in sequence, the booster pump further comprises a motor and a water storage device, the motor is a double-output-shaft motor, one output shaft is in transmission connection with the booster pump head, the other output shaft is in transmission connection with the water suction pump head, and the water suction pump head is connected with the water storage device. The dual functions of pressurizing the filter element assembly and rapidly pumping water from the water storage device can be achieved, and meanwhile the water purifier has great advantages in the aspects of cost, waterway complexity and size.

The utility model discloses an evanescent mode coating spraying device, which relates to the technical field of evanescent mode spraying and comprises a base, a storage box, a booster pump, a pressure tank and a spray gun pipe, the storage box, the booster pump, the pressure tank and the spray gun pipe are arranged at the upper end of the base, a gear motor is mounted on a top box cover of the storage box, and an output shaft of the gear motor is movably connected with a rotating rod and a stirring paddle. The storage box is communicated with the booster pump through a feeding pipe, a filtering device is arranged at the feeding pipe, the booster pump is communicated with the pressure tank through a conveying pipe, the pressure tank is communicated with the spray gun pipe through a telescopic hose, and the discharging end of the spray gun pipe is in threaded connection with the atomizing nozzle. According to the evanescent mode coating spraying device, the coating can be continuously stirred to prevent precipitation, the sucked-out coating can be filtered, the booster pump is matched with the pressure tank to enable the coating to be pressurized, atomized through the atomizing nozzle and sprayed out, the coating is sprayed more evenly, the effect is better, and the spraying efficiency is improved.

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.

The invention belongs to the technical field of weld joint corrosion prevention, and particularly relates to an automatic spraying detection device and method applied to an anti-corrosion material at a weld joint of a pressure steel pipe, the automatic spraying detection device comprises a workbench, a support and a bottom plate, the top end of the workbench is fixedly provided with a storage box used for storing the anti-corrosion material, and the workbench is fixedly provided with a turntable with a cavity; the rotating disc is communicated with the storage box through a communicating pipe, a plurality of conveying pipes are rotatably installed on the rotating disc, extension pipes are slidably installed on the multiple conveying pipes, spray heads are arranged at the top ends of the extension pipes, thickness gauges are arranged on the extension pipes, and a booster pump is arranged on the workbench. Automatic spraying and detection of the anti-corrosion material at the weld joint of the pressure steel pipe are achieved, the spraying efficiency is greatly improved, the uncertainty of manual operation is reduced, the thickness of an anti-corrosion layer is more uniform, the opportunity that workers make contact with the anti-corrosion material can be reduced, and the probability of occupational diseases is reduced.

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 utility model discloses a flow-controllable abrasive feeding device which comprises a charging box, a feeding pipe is communicated with the lower end of the charging box, a booster pump is arranged at one end of the feeding pipe, a discharging pipe is communicated with the other end of the feeding pipe, a discharging valve is arranged on the discharging pipe, the charging box is of a funnel-shaped structure, a feeding pipe is communicated with the charging box, and a discharging valve is arranged on the discharging pipe. An ultrasonic generator is arranged on the charging box, a protection plate is arranged on the charging box, an ultrasonic transducer electrically connected with the ultrasonic generator is arranged on the protection plate, a fixing block is arranged on the charging box, a rotating column is rotationally arranged on the fixing block, a matched sleeve is arranged on the rotating column, a mounting column is arranged on the matched sleeve, and a stirring plate is arranged on the mounting column; compared with the prior art, the grinding material flow control device has the advantages that grinding material accumulation is avoided, blockage is avoided, grinding material supply is continuous and normal, and the grinding material flow can be conveniently controlled.

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 utility model relates to the technical field of air conditioner efficiency improvement, and discloses an air conditioner system which comprises a refrigerant heat exchange module and a heat exchange module. The liquid storage device is connected to the refrigerant pipeline between the outdoor heat exchanger and the indoor heat exchanger in series and used for recycling and storing redundant refrigerant from the refrigerant circulation loop and / or releasing the refrigerant to the refrigerant circulation loop; the pressurizing bypass assembly comprises a pressurizing pump and a bypass branch; wherein one end of the bypass branch is connected to the liquid storage device, the other end of the bypass branch is connected to a refrigerant pipeline on the side of the outdoor heat exchanger / the indoor heat exchanger, and the booster pump is arranged on the bypass branch and is configured to controllably pump a refrigerant in the liquid storage device to the side of the outdoor heat exchanger / the indoor heat exchanger. The liquid storage device and the pressurization bypass assembly are additionally arranged on the air conditioner refrigerant circulation loop, the actual refrigerant circulation amount, the refrigerant flow speed and the pressure in the refrigerant circulation loop can be increased, the influence of partial pipeline pressure loss is offset, and then the refrigerant conveying efficiency and the system heat exchange effect are guaranteed.

The invention relates to an air pollution control purification tower, and belongs to the technical field of air pollution control, the air pollution control purification tower comprises a purification tower main body and a tower cover fixedly mounted at the top of the purification tower main body, a purification barrel is fixedly mounted in the purification tower main body, and an air outlet pipe extending to the outside of the tower cover is fixedly mounted in the tower cover; a first cleaning mechanism which extends into the purification barrel and is used for cleaning the inner wall of the purification barrel is arranged on one side of the purification tower main body. According to the air pollution control purification tower, the controller controls an axial flow fan to start to work to drive a flow guide pipe to rotate, meanwhile, the controller controls a booster pump to start to work to convey a purification barrel in a liquid storage tank into the flow guide pipe through a connecting pipe and a hose, and then spraying is conducted through spraying holes, so that the purification reaction is promoted, and the purification effect is improved. The reaction rate of the purification barrel is effectively increased, the overall purification effect of the purification barrel is effectively improved, and the advantages of high purification speed and good purification effect are achieved.

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.