3527 results about "Vapor–liquid separator" patented technology

The invention provides a centrifugal air conditioner gas-liquid separator, and belongs to the technical field of gas-liquid separators, the centrifugal air conditioner gas-liquid separator comprises a cylinder body and a cylinder cover, the cylinder body is connected with a drainage pipe and an air inlet pipe, the cylinder cover is connected with an exhaust pipe, a supporting ring and a fixing ring are arranged in the cylinder body, a drainage plate, a wind shield and a side plate are arranged in the cylinder body, and a backflow pipe is arranged on the outer wall of the cylinder body. The filter assembly comprises a water absorption piece; the extrusion assembly comprises a telescopic air bag and a fixing plate; the guide assembly comprises a drainage cover, an outer tube and an inner tube, and a rotating rod is arranged in the inner tube; the device has the beneficial effects that the wind shield drives the rotating rod to rotate, so that the turbine fan blades rotate to promote gas emission, and meanwhile, the cleaning plate is driven to clean the surface of the lower filter plate, so that the blockage condition is reduced, the filtering effect is improved, timely and effective cleaning is ensured, in addition, the water absorption part can be automatically extruded to drain water, the maintenance and replacement frequency is reduced, and the working efficiency is improved. The use efficiency is improved.

The invention relates to an adjustable multi-stage heat exchange injection type mixed working medium high-temperature heat pump system, and belongs to the technical field of high-temperature heat pump systems. The mixed working medium high-temperature heat pump system comprises a mixed working medium heat pump circulation loop and a gas-liquid jet type water supply loop. The mixed working medium heat pump circulation loop comprises a low-pressure compressor, a high-pressure compressor, working medium sides of four condensers, working medium sides of three evaporators and two two-phase ejectors, the working medium sides of the four condensers, the working medium sides of the three evaporators and the two two-phase ejectors are connected in series through two gas-liquid separators, and a working medium is a mixed working medium composed of cis-1, 3, 3, 3-tetrafluoropropene and isopentane. And the gas-liquid injection type water supply loop comprises a gas-liquid injector, a water pump and water sides of the three condensers. And the mixed working medium heat pump circulation loop and the gas-liquid jet type water supply loop are mutually coupled. The two gas-liquid separators are adopted to form four-stage condensation heat exchange, so that the energy utilization efficiency can be effectively improved, and the irreversible loss in the condensation process is reduced by at least 5%; evaporator evaporation of three different pressure levels is formed through boosting of the two two-phase ejectors, and irreversible loss in the evaporation process is reduced by at least 55%.

The invention discloses a same-well water injection gas production system and process, and belongs to the technical field of oil and gas collection. The system comprises an injection-production pipe column system arranged in an underground well, and an underground pump arranged in the injection-production pipe column system and used for providing power for water injection and gas production in the underground well; the power liquid circulation system is arranged on the ground, communicates with the injection-production pipe column system and is used for providing lifting power for operation of the underground pump; the device comprises an injection-production string system, a gas-liquid separator, a packer, a one-way valve and an exhaust pipe, the packer separates an injection layer and a production layer of an underground well, the gas-liquid separator carries out gas-liquid separation on fluid of the production layer, the one-way valve is used for preventing liquid of the injection layer from entering the production layer, and the exhaust pipe is communicated with the injection-production string system; the device is mainly used for water injection gas production in the same well, the problems of invalid circulation and large energy waste due to the fact that drainage gas production water is lifted to the ground and then injected into the stratum are solved, natural gas originally exploited in uneconomic reservoirs can be exploited, and the economic service life of gas field exploitation is prolonged.

The invention relates to the technical field of fuel cells, in particular to a hydrogen cell water-gas separation device for an unmanned aerial vehicle, which comprises a separation shell, and a cyclone separation cavity, a heat exchange condensation cavity and a hydrogen mixing cavity which are sequentially distributed from bottom to top are arranged in the separation shell. The technical problem that a traditional gas-liquid separator cannot thoroughly remove micron-sized liquid drops is solved, liquid water drops are efficiently removed through the cyclone separation cavity, new hydrogen and wet hydrogen are subjected to heat exchange through the heat exchange condensation cavity, residual liquid drops are sufficiently condensed and separated out, and finally mixed hydrogen with the dryness meeting the requirement is output. And the anode flooding problem of the fuel cell is effectively avoided.

The present invention belongs to the technical field of gas-liquid separation, and specifically relates to a gas-liquid separator, including a separation box, wherein a partition plate 1 and a partition plate 2 are installed in the separation box, and the interior of the separation box is divided into a separation chamber 1, a separation chamber 2 and a separation chamber 3. An arc guide box 1 is connected above the separation chamber 1 and the separation chamber 2, and a conical drainage box is connected below the separation chamber 1. A gas-liquid feeding device and a drainage device are connected below the conical drainage box. An arc guide box 2 is installed and connected below the separation chamber 2 and the separation chamber 3, and an exhaust device is installed above the separation chamber 3. A primary separation device, a secondary separation device and a tertiary separation device are respectively installed in the separation chamber 1, the separation chamber 2 and the separation chamber 3, and the bottom of the arc guide box 2 is connected to the drainage device. Compared with the prior art, the present invention realizes multi-stage separation of a gas-liquid mixture and improves the gas-liquid separation efficiency through the coordinated work of the primary separation device, the secondary separation device and the tertiary separation device.

The invention discloses an electrolytic hydrogen production system and method for deeply reducing the hydrogen content in oxygen. Comprising an alkaline electrolytic bath, an oxygen side gas-liquid separator, a hydrogen side gas-liquid separator, an alkaline liquor circulating pump, a first gas-liquid separator additionally arranged on the front side of the oxygen side gas-liquid separator, and a hydrogen-in-oxygen deep separation device for deeply removing hydrogen in an oxygen side gas-phase product, the first gas-liquid separator is additionally arranged in the oxygen-side gas-liquid separation system, so that a deep separation device capable of purifying and dehydrogenating the oxygen-side gas-phase product can be realized, and when the hydrogen content in oxygen at the gas-phase outlet of the oxygen-side gas-liquid separator is relatively high, the hydrogen-in-oxygen deep separation device is started to deeply remove hydrogen in the oxygen-side gas-liquid separation system, so that the hydrogen content in the oxygen-side gas-liquid separation system is greatly reduced. And the hydrogen content in oxygen in the water electrolysis hydrogen production system is reduced, and the safety of the system is improved.

The invention belongs to the technical field of refrigeration, and particularly relates to a gas-liquid separator with an auxiliary heating function, which comprises a separation box, and the top of the separation box is provided with a gas inlet pipe and an exhaust assembly; the exhaust assembly comprises a main air outlet pipe and a connecting sleeve, the main air outlet pipe is connected with the oil return assembly through the connecting sleeve, the oil return assembly comprises an oil return head and a rotating sleeve, and an oil return hole is formed in the oil return head. The oil return holes in the top of the oil return head are sparse and small in hole diameter, and the oil return holes in the bottom of the oil return head are dense and large in hole diameter. Therefore, an oil layer at the layered liquid-state bottom can enter the oil return head more easily through the oil return hole at the bottom of the oil return head, and meanwhile, the small-aperture oil return hole at the top of the oil return head can slow down the liquid-state refrigerant at the layered liquid-state top from entering the oil return head. Liquid refrigerants can be prevented from entering the compressor through the oil return head and the main air outlet pipe.

The filtering structure of the gas-liquid separator comprises a filtering shell and a shell cover installed at an opening in the top of the filtering shell, a connecting piece is fixedly installed between the shell cover and the outer wall of the filtering shell, a filtering cylinder is detachably installed in the filtering shell, and the filtering cylinder is connected with the filtering shell. The filter cartridge is of a cylindrical structure with the top in an opening shape, a cleaning assembly is arranged in the filter cartridge, and an extrusion part is installed at the bottom end in the filter shell, liquid-phase substances enter the filter cartridge to be filtered through the filter cartridge and the cleaning assembly, impurities in the liquid-phase substances are effectively removed, and therefore the liquid-phase substances can be effectively purified. Liquid-phase substances impact on a turbine, so that the turbine is driven to rotate, the turbine drives a rotating shaft to rotate, and the rotating shaft drives a cleaning scraper to rotate on the inner side of the filter cartridge, so that impurities adhered to the inner side of the filter cartridge are scraped, the filtering effect of the filter cartridge is improved, the filter cartridge can be used for a long time, and the practicability is improved.

The invention discloses an electrolytic hydrogen production device and method for reducing the hydrogen content in oxygen. The electrolytic hydrogen production device comprises an alkaline electrolytic bath, an enhanced removal pipeline accessory, an anode side gas-liquid separator, an anode side gas treatment device, a cathode side gas-liquid separator, a cathode side gas treatment device, an enhanced removal device, an alkali liquor tank and an alkali liquor circulating pump. The enhanced removal pipeline accessory is arranged on a pipeline between the alkaline electrolytic bath and the anode side gas-liquid separator, and the enhanced removal device is arranged in front of the alkaline liquor tank. According to the invention, the gas-liquid mixed solution on the anode side is primarily dehydrogenated by using the enhanced removal pipeline accessory, the circulating alkali solution is deeply dehydrogenated by using the enhanced removal device, and the hydrogen concentration in oxygen in the water electrolysis hydrogen production system is reduced by reducing the content of dissolved hydrogen in the circulating alkali solution, so that the safety of the system is improved.

An electric vehicle thermal management system and a control method thereof. The thermal management system comprises a refrigerant loop, a cooling liquid loop, and a control system; the refrigerant loop is provided with a compressor (1), a water-cooled condenser (2), an outside heat exchanger (3), an evaporator (4), a battery cooler (5), and a gas-liquid separator (6); the cooling liquid loop comprises an electric drive loop, a battery loop, and a warm air loop, the electric drive loop being provided with an electric drive assembly (16), a low-temperature radiator (17), and a first water pump (18), the battery loop being provided with a battery (19), a second water pump (20), and a third one-way valve (21), and the warm air loop being provided with the water-cooled condenser (2), a passenger compartment warm air core body (22), and a third water pump (23); and the control system is provided with a plurality of three-way valves (24, 25) and a plurality of loop coupling points (26, 27, 28, 29), the plurality of three-way valves (24, 25) and the plurality of loop coupling points (26, 27, 28, 29) controlling the refrigerant loop, the warm air loop, the battery loop, and the electric drive loop to form different loop modes in order to meet the thermal management requirements of the passenger compartment, the battery (19), and the electric drive assembly (16).

The invention discloses a method for joint production of cyclohexylamine and dicyclohexylamine, which comprises the following steps: 1) feeding aniline tail gas of a nitrobenzene catalytic hydrogenation production device into a gas-liquid separator for gas-liquid separation to obtain aniline tail hydrogen and aniline condensate; 2) mixing aniline tail hydrogen and new hydrogen as a raw material A, and mixing defective aniline and fresh aniline in proportion as a raw material B; (3) feeding the vaporized raw material B and the vaporized raw material A into a fixed bed reactor according to a certain hydrogen-oil ratio, and carrying out hydrogenation reaction; a hydrogenation reaction product is subjected to heat exchange condensation and then enters a gas-liquid separator for gas-liquid separation, a gas phase serves as recycle hydrogen to be mixed with the raw material A, and a liquid phase is fed into a distillation device; and 4) carrying out primary distillation and rectification purification in sequence to obtain cyclohexylamine and dicyclohexylamine. According to the method, aniline tail gas resources and defective aniline are fully utilized, the three-waste treatment cost is reduced, product benefits can be improved, pollution to the environment can be reduced, and economic benefits and social benefits are remarkable.

The utility model discloses a sparkling water machine, which belongs to the field of household electric appliances, solves the problems of splashing of water discharged from the sparkling water machine and unstable flow of the water discharged from the sparkling water machine, and adopts the technical scheme that the sparkling water machine mainly comprises a water supply component, a gas supply component, a mixing cavity and a gas-liquid separator, the gas supply assembly is communicated with the mixing cavity and supplies gas to the mixing cavity, the gas-liquid separator is provided with a gas-liquid separation cavity, a water inlet, a water outlet and an exhaust port, the gas-liquid separation cavity is communicated with an outlet of the mixing cavity through the water inlet, bubble water in the gas-liquid separation cavity is discharged through the water outlet, gas is discharged through the exhaust port, and the exhaust port is provided with a pressure release valve. A baffle for preventing high-pressure bubble water flowing in from the water inlet from rushing open the pressure release valve is arranged in the gas-liquid separation cavity; and the baffle is blocked between an impact path of the high-pressure bubble water and the pressure release valve. The utility model is mainly used for preventing the water outlet from splashing in the process of discharging bubble water, and improving the stability of the water outlet flow.

The invention relates to the technical field of sludge treatment, in particular to a sludge heat drying treatment system which comprises a drying machine used for drying sludge entering the drying machine and generating mixed gas; the metal sintering filter is used for carrying out dust removal treatment on the sludge dry dust in the mixed gas from the drying machine; the plate heat exchanger is used for carrying out heat exchange condensation treatment on water vapor in the mixed gas subjected to dust removal treatment by the metal sintering filter and discharging condensed wastewater generated by condensation; the gas-liquid separator is used for carrying out gas-liquid separation treatment on non-condensable gas in the mixed gas subjected to heat exchange and condensation treatment by the plate heat exchanger; and the negative pressure fan is connected to the downstream of the gas-liquid separator and used for enabling the mixed gas generated by the drying machine to sequentially flow through the metal sintering filter, the plate heat exchanger and the gas-liquid separator and then be conveyed to an air feeder opening. By using the system, blocking of condensing equipment and water accumulation of an air supply pipeline caused by sludge dry dust which is not completely removed during steam condensation can be effectively avoided.

The invention discloses a hydrogen production system which comprises an AEM electric pile, a hydrogen side gas-liquid separator, a hydrogen side gas-water separator, a gas-liquid separation discharge valve, a liquid level detection device and a control module, and the AEM electric pile comprises a hydrogen side outlet and a liquid inlet; the hydrogen side gas-liquid separator comprises a first inlet and a first liquid phase outlet, the first inlet is communicated with the hydrogen side outlet, and the first liquid phase outlet is communicated with the liquid inlet through a backflow pipeline; the gas-liquid separation discharge valve is arranged at the first liquid phase outlet or on the backflow pipeline; the liquid level detection device is used for detecting the liquid level height in the hydrogen side gas-liquid separator; the control module controls opening and closing of the gas-liquid separation discharge valve according to a detection value signal of the liquid level detection device. According to the invention, the gas-liquid separation discharge valve is additionally arranged on the hydrogen side to control the discharge of the liquid in the hydrogen side gas-liquid separator, so that the hydrogen in the hydrogen side gas-liquid separator is effectively prevented or reduced from flowing back to a galvanic pile along with alkali liquor, the hydrogen production process is promoted to be normally and orderly carried out, and the resource waste is reduced.

Disclosed in the present invention are a hydrogen production and dissolution system and method. The hydrogen production and dissolution system comprises a power supply assembly, an electrolysis assembly, a treatment assembly, a reaction assembly, and a safety assembly. The treatment assembly comprises a gas-liquid separator, and the gas-liquid separator is communicated with an electrolyzer; the reaction assembly comprises a pressure booster and reaction tanks, the pressure booster has one end communicated with the gas-liquid separator and the other end communicated with the reaction tanks, the pressure booster pressurizes the reaction tanks, and an ultrasonic generator is provided in each reaction tank; and the safety assembly comprises leakage sensors, and each leakage sensor is arranged on a side of a corresponding reaction tank. The hydrogen production and dissolution method is used for controlling the hydrogen production and dissolution system. The present invention can directly dissolve the produced hydrogen in water, thereby reducing potential safety hazards while eliminating the need for storage and transportation devices.

The utility model relates to the technical field of waste gas treatment, in particular to a device for continuously and circularly adsorbing and desorbing VOCs waste gas in CEC tail gas. The device comprises a condensation separation unit and an adsorption and desorption unit which are sequentially communicated, the condensation separation unit comprises a condenser and a gas-liquid separator which are sequentially communicated through a pipeline; a discharge port of the condenser is connected to an upper feed port of the gas-liquid separator, and an upper gas outlet of the gas-liquid separator is connected to the adsorption and desorption unit; the adsorption and desorption unit comprises a fluidized bed adsorption tower and a desorption tower, and a discharge port in the bottom of the fluidized bed adsorption tower is connected to an adsorbent feed port in the bottom of the desorption tower; an adsorbent discharge port in the top of the desorption tower is connected to an upper feed port of the fluidized bed adsorption tower; and an upper gas outlet of the gas-liquid separator is connected to a gas inlet of the fluidized bed adsorption tower. According to the device disclosed by the utility model, the continuous cycle operation can be realized in the adsorption and desorption processes, the regeneration temperature and pressure of the adsorbent are adjustable and controllable, the adsorption efficiency is high, and the efficient removal of VOCs impurities can be ensured.

The utility model discloses a system for producing hydrogen by electrolyzing water. The system comprises an alkali liquor electrolysis device, a gas-liquid separation device and an interlocking control device, the alkali liquor electrolysis device comprises an electrolytic bath and an alkali liquor circulating pump, the gas-liquid separation device comprises a gas-liquid separator, and the interlocking control device comprises an electromagnetic valve; the gas-liquid separation device further comprises a U-shaped pipe for separating gas and liquid by utilizing gravity and a jacketed pipe for separating gas and liquid by utilizing condensation; the U-shaped pipe is arranged between the electrolytic bath and the gas-liquid separator, and the alkali liquor self-flowing pipe is arranged between the low point of the U-shaped pipe and the alkali liquor circulating pump; the jacketed pipe is arranged between the U-shaped pipe and the gas-liquid separator, and an interlayer of the jacketed pipe is communicated with a chilled water pipeline. According to the water electrolysis hydrogen production system, the U-shaped pipe and the jacketed pipe are arranged, so that the gas-liquid separation efficiency of the water electrolysis hydrogen production system is improved, and the hydrogen production efficiency is improved; a washer and a cooler are removed, the whole equipment is simple, the occupied space is small, and the manufacturing cost is low; through regulation and control of the interlocking control device, the safety of the water electrolysis hydrogen production system is improved, and unattended operation can be achieved.

The invention relates to the technical field of intelligent fire extinguishing control of energy storage power stations, in particular to a method and system for plasma protection of thermal runaway of an air-cooled energy storage power station. The method comprises the following steps: processing real-time data acquired by a multi-source sensor through a dynamic risk assessment model to obtain a risk level and an early warning level; an initial control instruction for the plasma generator and the air cooling and refrigerating system is formed according to the risk level and the early warning level; the initial control instruction is processed to form a driving control signal; a control signal is subjected to cooperative execution processing to obtain a high-energy active particle jet flow, a forced airflow and a refrigeration effect. The system comprises an air cooling box body, a battery, a fan, a plasma generator, an ejector, an intelligent controller, a compressor, a gas-liquid separator, a heat exchanger, an electronic expansion valve, a drying filter, a gas sensor and a pressure sensor valve. The safety and reliability of the energy storage power station are improved.

The utility model provides a large-height-difference gravity liquid supply refrigerating system, which relates to the technical field of refrigerating systems and comprises a refrigerating compressor, an oil separator, a condenser, a first liquid storage device, an electric control valve, a gas-liquid separator, a heat exchanger, a second liquid storage device, a stop valve, a filter, a liquid supply electromagnetic valve, an electric control valve, an evaporator, a stop valve for a sensor and the sensor. The device comprises a micro gas-liquid separator, a stop valve, a one-way stop valve and a liquid level switch. According to the high-altitude-difference refrigerating system, the problems of energy consumption caused by a pump liquid supply mode adopted by a traditional high-altitude-difference refrigerating system and excessive refrigerant charge amount caused by multi-time liquid supply can be effectively reduced, and energy conservation and emission reduction are facilitated; the influence of a static liquid column of a large-height-difference gravity liquid supply system on heat exchange of the evaporator can be avoided; the refrigeration tail end adopts an oil-free cold carrying mode, so that the heat exchange efficiency of the evaporator can not be influenced by an oil film; in addition, gravity liquid supply is adopted in the system, the machine room can be arranged on the roof and does not occupy the storeroom volume, and the storeroom volume can be effectively increased.

The invention discloses an electrolytic hydrogen production device pre-separation system based on a gravity separation principle, which comprises an electrolytic bath and a gas-liquid separator, a pre-separator is arranged on a material pipeline of the electrolytic bath entering the gas-liquid separator, a mixture inlet and a liquid outlet are arranged at the lower part of the pre-separator, and a gas outlet is arranged at the top of the pre-separator. The mixture inlet is connected with the outlet end of the electrolytic cell through a material pipeline, the liquid outlet is connected to a liquid phase in the gas-liquid separator through a liquid pipeline, and the gas outlet is connected to a top gas phase of the gas-liquid separator through a gas pipeline. The pre-separator is innovatively and additionally arranged. According to the gravity separation principle, a vertical cylindrical shell is adopted. By means of the layout, gas and liquid can be preliminarily separated within a very short time, the workload of a subsequent gas-liquid separator is greatly relieved, the overall separation efficiency is remarkably improved, and a solid foundation is laid for efficient operation of the whole electrolytic hydrogen production process.

The invention provides a low-temperature heat pump liquid impact prevention and supercooling degree strengthening control method based on dual-mode self-adaptive regulation and control, which comprises the following steps: monitoring the bottom temperature of a gas-liquid separator and the change rate of the temperature, and controlling the supercooling degree of the gas-liquid separator on the basis of the difference value between the temperature and a preset safety critical temperature and the difference value between the change rate and a preset minimum temperature rise rate, constructing a liquid impact risk index; based on the liquid impact risk index, the pulse power excitation intensity is calculated, the number of opened spraying channels is selected according to the pulse power excitation intensity, the pulse duty ratio of each channel is adjusted, the high-temperature gas-state refrigerant is controlled to be injected into the bottom of the gas-liquid separator, and the liquid-state refrigerant is driven to evaporate; generating a mode switching score, and generating a mode switching signal when the mode switching score exceeds a mode switching threshold value and the temperature of the gas-liquid separator reaches a safety lower limit; and according to the mode switching signal, a supercooling degree strengthening mode is switched, and the opening degree of an economizer branch electronic expansion valve is adjusted according to the deviation between the current supercooling degree and the target supercooling degree.

The invention discloses a large-temperature-span accurate cold and heat circulation system and a control method thereof. The system comprises a compressor, a condenser, a gas-liquid separator, a semiconductor refrigerator, a liquid storage tank, a gas storage tank, an ejector, an evaporator and the like. Through cooperative control of a semiconductor cooler, an electromagnetic valve, a gas storage tank, a liquid storage tank and a one-way valve, separation, storage and recombination of a mixed working medium are achieved, and large-temperature-span operation is achieved. The heat pipe heat exchanger is used for transferring cold energy of an evaporator outlet to the gas storage tank, the low-boiling-point working medium liquefaction rate is increased, and the energy utilization rate is increased. The second gas-liquid separator and the third semiconductor cooler are coupled, the proportion of liquid phase components in the second gas-liquid separator is controlled by controlling the current of the semiconductor cooler, the evaporation temperature of the system is accurately adjusted, and accurate temperature control is achieved. By introducing the ejector, irreversible loss of the system can be reduced, suction pressure is improved, and energy consumption is reduced. Large-temperature-span accurate temperature control from high temperature to deep low temperature can be achieved, and the problems that a traditional temperature control system is poor in stability, low in precision, high in energy consumption and the like are solved.

The utility model discloses a well group type jet pump same-well production, injection, drainage and gas production system which comprises a gas-liquid mixture outlet manifold, a gas-liquid separator, a power liquid sedimentation system, a ground power system, a power liquid injection manifold, a reinjection liquid manifold, a wellhead gas collection system and a plurality of single-pipe jet pump same-well production and injection systems, the multiple single-pipe jet pump same-well production and injection systems are arranged in parallel and connected with the gas-liquid separator through the gas-liquid mixture outlet manifold. An outlet of the gas-liquid separator is provided with a gas phase outlet and a liquid phase outlet; a gas phase outlet of the gas-liquid separator is connected with a wellhead gas collection system; a liquid phase outlet of the gas-liquid separator is connected with a power liquid sedimentation system, the power liquid sedimentation system is connected with a ground power system, and the ground power system is connected with a plurality of single-pipe jet pump same-well production and injection systems through a power liquid injection manifold and a reinjection liquid manifold respectively; and a liquid phase outlet of the gas-liquid separator is connected with an external conveying pipeline.

The invention discloses an alkaline electrolysis water hydrogen production system and method capable of deeply reducing the hydrogen content in oxygen in multiple ways, a hydrogen side flash tank is arranged in the alkaline electrolysis water hydrogen production system, and dissolved hydrogen deep removal is carried out on hydrogen side alkali liquor passing through a gas-liquid separator through the hydrogen side flash tank; a mixed alkali liquor flash tank is arranged in an alkaline electrolysis water hydrogen production system, and deep removal of dissolved oxygen and dissolved hydrogen is carried out on mixed alkali liquor through the mixed alkali liquor flash tank; a hydrogen side pressure adjusting part capable of adjusting the pressure of a cathode chamber is arranged in a hydrogen side gas-liquid separator system, and an oxygen side pressure adjusting part capable of adjusting the pressure of an anode chamber is arranged in an oxygen side gas-liquid separation system, so that the pressure of the anode chamber of the alkaline electrolytic cell is higher than that of the cathode chamber, and the amount of hydrogen entering the anode chamber from the cathode chamber through a diaphragm is reduced; the concentration of hydrogen in oxygen in the water electrolysis hydrogen production system is reduced, and the safety of the system is improved.

The invention is suitable for the technical field of electric vehicle thermal management, and provides an electric vehicle thermal management system based on a refrigerant four-way valve, which comprises a refrigerant loop and a cooling liquid loop. The refrigerant loop comprises a refrigerant four-way valve, an electric compressor, a first plate heat exchanger, an electronic expansion valve, a second plate heat exchanger and a gas-liquid separator; the cooling liquid loop comprises a first plate heat exchanger, a second plate heat exchanger, a first water pump, a second water pump, a power battery water pump, a proportional three-way valve, an air blower, a third heat exchanger, an air PTC, an electric driver, a low-temperature radiator and an expansion kettle. According to the system, a single refrigerant four-way valve is introduced to transform a refrigerant loop of a conventional indirect heat pump technology, and a single proportional three-way valve and a cooling liquid loop are superposed to carry out innovative fusion design; the cooling liquid loop is greatly simplified compared with a conventional electric vehicle thermal management system framework, and meanwhile the performance requirement of the electric vehicle thermal management system is met.

The invention discloses a high-pressure combustion combined heat and power generation energy storage system and method for hydrogen and oxygen production through electrolysis, and relates to the field of hydrogen energy storage. After the electrolytic cell produces high-pressure hydrogen and oxygen, the high-pressure hydrogen and oxygen are stored in the hydrogen / oxygen storage tank, the system can operate in a hydrogen / oxygen mode, and in the oxygen mode operation, the hydrogen and oxygen steam mixed gas from the oxygen storage tank and the hydrogen / oxygen evaporation compressor are combusted in the high-pressure combustion chamber to generate superheated steam, and then the superheated steam enters the expansion turbine to do work; due to excessive oxygen, dead steam after acting is separated into two working media through a gas-liquid separator, that is, gas enters a cooler to be cooled and then returns to a combustion chamber through a hydrogen / oxygen evaporation compressor, drainage water generated after liquid enters a heat supply heat exchanger is pressurized through a water pump and then enters a high-temperature combustion chamber, and therefore clean utilization of hydrogen energy and cyclic regeneration of the working media are achieved. The system can realize high power generation efficiency and excellent environmental protection performance, and is suitable for regions requiring stable consumption of fluctuating renewable energy sources, power and heat supply and the like.

The invention relates to a thermal management system and an automobile. The heat management system comprises a refrigerant loop and a water loop. The refrigerant loop comprises a compressor, a condenser, a first valve and a cooler, and further comprises one of a liquid storage tank and a gas-liquid separator. Under the condition that the refrigerant loop comprises the liquid storage tank, the input end of the liquid storage tank is connected with the first output end of the condenser, and the output end of the liquid storage tank is connected with the input end of the first valve. And under the condition that the refrigerant loop comprises the gas-liquid separator, the input end of the gas-liquid separator is connected with the first output end of the cooler, and the output end of the gas-liquid separator is connected with the input end of the compressor. The refrigerant loop is configured to circulate a refrigerant, absorb or release heat and achieve refrigeration or heating. The water loop comprises a plurality of loops, and at least part of the loops comprise a condenser and / or a cooler; the water circuit is configured to transfer heat, regulate temperature. Through cooperation of the refrigerant loop and the water loop, the heat management system can stably operate in a low-temperature environment.

The invention discloses a compressed air energy storage power station multi-stage compressor start-stop control system and method, and belongs to the technical field of compressed air energy storage, the compressed air energy storage power station multi-stage compressor start-stop control system comprises two compressor units and an expansion unit connected with the compressor units, each compressor unit comprises four stages of compressors connected in series, an anti-surge valve and an emptying valve are arranged on the outlet side of each stage of compressor in parallel, and every two adjacent stages of compressors are connected through a check valve, a butterfly valve shut-off valve, an energy storage heat exchanger and an aftercooler. Meanwhile, an aftercooler, a gas-liquid separator and a gas injection valve are arranged on the outlet side of the last-stage compressor in each compressor unit; the expansion unit and the compressor unit form switchable gas path coupling through an electric shut-off valve. The starting time of the compressed air energy storage system can be shortened, gas in the compressed air energy storage system is prevented from being exhausted during shutdown, and energy loss is reduced.

The invention relates to the technical field of power energy and ship resistance reduction, and discloses an internal combustion engine compressed air and electric supercharger ship bubble resistance reduction air supply control system which comprises an internal combustion engine set, an electric supercharger, an electric supercharger, an electric supercharger, an electric supercharger, an electric supercharger, an electric supercharger, an electric supercharger, an electric supercharger, an electric supercharger, an electric supercharger and an electric supercharger, and the internal combustion engine set serves as a power source of the whole system and generates excessive compressed air by delaying the closing moment of an intake valve during conventional operation; the gas-liquid separator is arranged on one side of the internal combustion engine set and used for separating liquid impurities of the compressed air and discharging the liquid impurities regularly; the filter is arranged on the side, away from the internal combustion engine set, of the gas-liquid separator and used for further filtering the compressed air; the first gas storage tank is arranged on the side, away from the gas-liquid separator, of the filter. Compressed air of the internal combustion engine and exhaust gas of the internal combustion engine are used for replacing traditional independent air compression equipment, the effect of reducing the requirement for additional compression equipment is achieved, the problem that a traditional ship bubble drag reduction air supply system is high in energy consumption is solved, the energy utilization efficiency of ship operation is improved, and the overall energy consumption cost is reduced.

The utility model provides secondary aluminum ash denitrification treatment equipment. The secondary aluminum ash denitrification treatment equipment comprises a grinding device, a slurry pipeline, a gas-liquid separator and a gas collecting pipeline, the slurry pipeline is provided with a slurry inlet end and a slurry outlet end, and the slurry inlet end and the slurry outlet end are both communicated with the grinding device; the gas-liquid separator is arranged on the slurry pipeline and is used for separating gas generated by hydrolysis reaction of the secondary aluminum ash and water; and the gas collecting pipeline is communicated with the gas-liquid separator and is used for collecting gas generated by hydrolysis reaction of the secondary aluminum ash and water. According to the method, wrapping layers on the surfaces of aluminum nitride particles are stripped through the grinding effect, the hydrolysis reaction is continuously and efficiently carried out, the particle size of slurry particles can gradually become smaller in the grinding process, rapid proceeding of the hydrolysis reaction is better facilitated, gas is collected into a gas collecting pipeline in time, the reaction can be carried out in the forward direction, and the reaction efficiency is improved. The decomposition rate of aluminum nitride in the secondary aluminum ash is greatly improved, and the reaction time is shortened.