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148 results about "Gas heater" patented technology

A gas heater is a space heater used to heat a room or outdoor area by burning natural gas, liquefied petroleum gas, propane or butane. Indoor household gas heaters can be broadly categorized in one of two ways: flued or non-flued, or vented and unvented.

Coal-fired unit energy storage coupling carbon capture system and method based on calcium circulation

The invention discloses a coal-fired unit energy storage coupling carbon capture system and method based on calcium circulation, and aims to realize efficient and cheap capture of CO2 in flue gas while performing energy storage peak regulation of a coal-fired unit. The system comprises main equipment such as a calcination / heat absorption reactor, a pressurized carbonation / heat release reactor, a CaCO3 storage tank, a CaO storage tank and a CO2 storage tank, and auxiliary equipment such as a gas booster compressor, residual pressure power generation equipment, an electric heating module, a dust remover, a gas cooler, a solar gas heater and a smoke-CO2 heat exchanger. According to the method, electric energy of green electricity or valley electricity and heat energy of high-temperature flue gas of a boiler are converted into chemical energy by adopting the cyclic calcination characteristic of CaCO3-based particles and stored in the CaCO3-based particles, and the chemical energy is released again in the form of heat energy when a unit supplies heat to the outside or a power grid uses electricity at the peak. The system has high operation flexibility and economical efficiency.
Owner:SOUTHEAST UNIV

Film forming method and film forming apparatus

A film forming method includes the steps of loading a plurality of substrates into a processing chamber, heating an inside of the processing chamber by a chamber heater provided around the processing chamber, and heating a source gas in a first gas nozzle by a gas heater included in the first gas nozzle, and supplying the heated source gas from the first gas nozzle into the processing chamber. The supplying the source gas includes changing a position where the source gas is activated.
Owner:TOKYO ELECTRON LTD

Reaction system for preparing aromatic hydrocarbon through hydrogenation of carbon dioxide

The invention provides a reaction system for preparing aromatic hydrocarbon through hydrogenation of carbon dioxide. The reaction system comprises an injection loop reactor, a rectification device and a recycle gas separation device, the injection loop reactor comprises a reaction kettle, a circulating pump, a reaction heat exchanger, a cross-flow filter and a Venturi injector which are communicated in sequence; part of the Venturi ejector is arranged in the reaction kettle, and the circulating gas separation device comprises a primary condenser, a secondary condenser, an absorption tower and a desorption tower which are communicated in sequence; the device further comprises a circulating gas heater. The jet loop reactor is adopted as key process equipment to perform carbon dioxide hydrogenation reaction to continuously prepare aromatic hydrocarbon, reaction fluid circulates in a loop in a large flow manner and is jetted at a high speed by the Venturi jet, and negative pressure is formed at a working nozzle, so that process gas is sucked into the jet to form micron-sized bubbles with large specific surface area, and the aromatic hydrocarbon is continuously prepared. Gas-liquid-solid contact is increased, the gas-liquid-solid multi-phase reaction speed can be increased, the reaction efficiency is improved, and therefore the air speed is increased under the condition that the yield is guaranteed.
Owner:WISON ENG

A control system for a gas-fired heater which automatically adjusts the size of the flame

The application discloses a gas heater control system capable of automatically adjusting the size of a flame, comprising a main controller, an infrared sensing device, a gas control valve, a burner and an ambient temperature sensor and the like. The infrared sensing device senses the presence state, distance and height information of a human body, and the ambient temperature sensor monitors the ambient temperature; the main controller generates a multi-stage or continuous gas flow instruction based on the above information, controls the gas control valve to adjust the size of the flame, and can also adjust the total flow according to the number of human bodies. The system is equipped with a lifting device, which can automatically adjust the height of the burner according to the sitting or standing posture of the human body; a wind speed sensor is arranged, and when the flame is extinguished, the wind speed is combined to judge whether to delay ignition; multiple protections such as a tilt switch, an audible and visual alarm and the like are arranged, and an auxiliary illuminating lamp is started to enhance the sensing performance in weak light. The system realizes intelligent and accurate temperature control, improves the safety and scene adaptability, is energy-saving and convenient.
Owner:KEESUNG MFG CO LTD

A multi-functional passive residual heat removal system for a liquid metal cooled pool type reactor based on heat pipes

The application discloses a kind of liquid metal cooling pool type reactor multifunctional passive residual heat removal systems based on heat pipe, belongs to reactor system component design technical field, the system is by high-temperature heat pipe, main container wall pit, gas storage tank, storage tank valve, gas heater, gas output pipe, gas input pipe, air extractor, safety container, main container, reactor pit, cold air descending passage, cylindrical thermal insulation layer, hot air ascending passage, connecting pipeline, exhaust chimney, heat radiation plate and in-pile fixed facility composition.The application can be in the condition of reactor total plant power failure, main heat exchanger water interruption and earthquake and other accident conditions, start passive accident residual heat removal system, and the residual heat of reactor core is removed to final heat sink by high-temperature heat pipe.Reactor is in low-power operation or shutdown condition, and auxiliary heating is carried out to in-pile liquid metal, to ensure that coolant is in molten state and promote flow.The system structure is simple, and has independence, passivity, inherent safety.
Owner:NANHUA UNIV

Gas heater

The gas heater comprises a rack, a partition plate is arranged in the rack, the rack is of a hollow structure, the partition plate divides the rack into an installation space and an air outlet space, and the rack is provided with a gas storage part; the combustion assembly is installed in the installation space, the installation space is provided with an air inlet hole communicating with the outside, and the gas storage piece communicates with the input end of the combustion assembly; the heat dissipation pipe is installed in the air outlet space, one end of the heat dissipation pipe penetrates into the installation space to communicate with the output end of the combustion assembly, the other end of the heat dissipation pipe penetrates out of the rack, and a first air outlet through hole is formed in the outer side wall, at the air outlet space, of the rack; and the air blowing part is installed in the air outlet space and located on one side of the heat dissipation pipe, and the air outlet end of the air blowing part directly faces the heat dissipation pipe. Compared with the prior art, gas is continuously supplied to the combustion assembly through the fuel gas storage part, and then peripheral air is continuously heated through the combustion assembly, so that the indoor temperature is stably increased.
Owner:JIANGXI LINUAN THERMAL ENERGY TECH CO LTD

Drying device for clamping jaw of crystal diffraction experiment manipulator

The invention relates to a crystal diffraction experiment manipulator clamping jaw drying device which is characterized in that the output end of a gas inlet pipe is hermetically connected with an inlet of a gas heater along the conveying direction of dry high-pressure gas, the output end of the gas heater is simultaneously connected with a thermometer and a gas conveying pipe, and a probe of the thermometer extends into an output gas flow channel; two ends of the gas delivery pipe are respectively hermetically butted with the output end of the gas heater and the gas inlet of the annular air knife; an airflow guide groove is formed in the inner wall of the annular air knife, so that high-temperature and high-pressure gas can form 360-degree omnibearing uniform airflow; the support fixes the annular air knife and enables an inner hole of the annular air knife to align with a manipulator clamping jaw movement track. According to the mechanical arm clamping jaw drying device for the crystal diffraction experiment, dry high-pressure gas is directly taken in and is compressed and accelerated by the air knife to generate airflow after being heated, frost on the clamping jaw can be rapidly removed and dried, the temperature, the strength and the type of the airflow can be flexibly controlled, and the drying efficiency is effectively improved.
Owner:SHANGHAI ADVANCED RES INST CHINESE ACADEMY OF SCI

Gas purification device and method for operating same

The invention provides a gas purification device and a method for operating the gas purification device, wherein the amount of energy required by a gas heater can be reduced and the operation cost can be reduced. This gas purification device is provided with: a gas heater for heating a gas to be purified; a catalyst cartridge for catalytically reacting impurity components in the heated gas to be purified; a refiner for removing a component to be removed from the gas to be refined, which is led out from the catalyst cartridge; a gas introduction path for introducing a gas to be purified into the gas heater; and a gas introduction valve. A refiner inlet path through which the gas led out from the catalyst cartridge is introduced into the refiner; a bypass path branched from the upstream side of the gas introduction valve and connected to the refiner inlet path; and an analyzer that is provided upstream of the branch section of the bypass path, measures the concentration of an impurity component in the gas to be purified, and controls the opening and closing of the gas introduction valve and the bypass valve on the basis of the measured concentration of the impurity component.
Owner:NIPPON SANSO CORP

Air guide mechanism and gas heater

The utility model discloses an air guide mechanism and a gas heater, and belongs to the technical field of gas heaters, an outer cylinder of the air guide mechanism is mounted on an air outlet cylinder of the gas heater, and then an angle of a mounting rack relative to the outer cylinder is changed by rotating the mounting rack; the multiple air deflectors guide the hot air blowing direction of the air outlet of the air outlet barrel so as to change the air outlet direction of the gas heater, the gas heater does not need to be moved, and the air outlet direction of the gas heater can be adjusted more conveniently.
Owner:GUANGDONG LI NUAN THERMAL ENERGY TECH CO LTD

Flue gas purifier of gas heater

The invention discloses a flue gas purifier of a gas heater, and relates to the technical field of flue gas purification, the flue gas purifier comprises a heater shell and a flue gas purification assembly, the heater shell is internally provided with a smoke sealing cavity, and the flue gas purification assembly comprises a purification box arranged at the top of the heater shell; a pressure release valve is arranged on the outer wall of the middle section of the hollow piston rod of the spring. According to the flue gas purifier of the gas heater, flue gas sequentially passes through the interiors of the primary filter cylinder and the secondary purification cylinder and is purified twice through activated carbon particles and an adsorbent, so that peculiar smell and harmful gas in the flue gas are eliminated, the heating comfort is improved, and the body health is protected; heat generated by heating gasifies and boosts the pressure of the water body, a spring hollow piston rod drives a rack to be meshed with a driving gear to swing back and forth in cooperation with pressure relief operation, all primary filter cartridges swing back and forth, activated carbon particles in the cartridges are kept loose, flue gas makes full contact with the particles, and the primary purification effect is ensured.
Owner:ZHONGJUN HOME TECHNOLOGY (YANCHENG) CO LTD

Fresh tea dehydration device

The utility model discloses a fresh tea dehydration device which comprises a conveyor and a gas heater, the gas heater is fixedly arranged on the top side of a drying tunnel of the conveyor, a gas injection mechanism is arranged on a shell of the conveyor, and a storage assembly is arranged on a conveying belt of the conveyor. When the improved fresh tea leaf dewatering device is used, tea leaves in the storage box are sequentially blown up through high-speed hot air flow, so that the tea leaves float in the storage box, meanwhile, the tea leaves are turned over, the tea leaves cannot be tightly attached together due to the floating of the tea leaves, the hot air flow makes full contact with the tea leaves, and the heat exchange rate of the tea leaves and the hot air flow can be increased; and the hot air flow flowing at a high speed enables the tea leaves to be always in contact with the high-temperature air flow, and water vapor around the tea leaves can be rapidly taken away, so that the heat exchange rate of the tea leaves and the hot air flow is further increased, and finally, the heating dehydration rate of the tea leaves can be greatly increased.
Owner:JIANGXI TONGZHOU GREEN FOOD DEV CO LTD

Gas heater heating element production method

A method of manufacturing a gas heater heating element including a support and channel structure with a plurality of channels formed in the monolith includes shaping an electric heating element and at least partially coating the electric heating element with at least one coating material. The at least partially coated electric heating element is positioned in a mold for producing the monolith. The monolith is produced and surrounds the at least partially coated electric heating element. The coating material of the at least partially coated electric heating element is removed. The gas heater heating element includes at least one electric heating element in the monolith and the electric heating element is guided in the plurality of channels of the support. Heat within the plurality of channels is configured to be transferred by the electric heating element to a gas flowing through the plurality of channels to heat the gas.
Owner:SUNFIRE SE

Heat flow sublimation sampling system and method

The invention relates to a heat flow sublimation sample introduction system and method.The heat flow sublimation sample introduction system comprises a gas supply module, a sublimation chamber, a gas mixing chamber and a sample transmission module, the gas supply module is connected with gas inlets of the sublimation chamber and the gas mixing chamber, a gas outlet of the sublimation chamber is connected with a gas inlet of the gas mixing chamber, and a gas outlet of the gas mixing chamber is connected with a gas outlet of the sample transmission module; a gas outlet of the gas mixing chamber is connected with a sample transmission module, and the sample transmission module is connected with analysis and detection equipment. A gas heater is used for heating carrier gas, the flow rate of high-temperature gas flowing through each sublimation chamber is controlled, each standard substance and a sample to be detected are sublimated into gaseous materials with different flow rates respectively, the gaseous materials are fully mixed through a gas mixing chamber and then enter analysis and detection equipment, element response values are measured, sample digestion is not needed, the sample introduction flux is stable and controllable, the detection time is short, and the detection efficiency is high. The method has the advantages of convenience, rapidness, high sensitivity and less impurity introduction, and is suitable for accurate detection of impurities in easily sublimated solid samples.
Owner:GANJIANG INNOVATION ACAD CHINESE ACAD OF SCI

Multi-pipeline air heater

The utility model relates to the technical field of gas heaters, and discloses a multi-pipeline hot-air blower, which comprises a gas input component, an air inlet interface for inputting gas to be heated and a first sealing cover plate, the air inlet interface is arranged on one side of the first sealing cover plate, and the first sealing cover plate is arranged on the other side of the first sealing cover plate. The first sealing cover plate is provided with a plurality of air inlet holes communicating with the air inlet connector. The gas heating assembly comprises heating pipes and conducting rings, the number of the heating pipes is the same as that of the gas inlet holes, the conducting rings are arranged on the heating pipes in a sleeving mode, the conducting rings are used for being communicated with a power source to heat the heating pipes and further heat to-be-heated gas in the heating pipes, plastic parts are arranged at the two ends of each heating pipe respectively, and the plastic parts are connected with the gas inlet holes in a sealed mode; the gas output assembly comprises an air outlet connector for outputting heated gas and a second sealing cover plate. More gas can be treated at the same time through the multi-pipeline design, the gas heating efficiency is improved, and meanwhile, the situation that the industrial gas to be heated is polluted by metal ions is avoided.
Owner:SHENZHEN TIANHUA ELECTROTHERMAL TECH CO LTD

Method and device for separating and refining nitrogen trifluoride and carbon tetrafluoride

The invention relates to a method and a device for separating and refining nitrogen trifluoride and carbon tetrafluoride. The crude nitrogen trifluoride gas enters an adsorber in an adsorption state, an adsorbent selectively adsorbs carbon tetrafluoride, and a high-purity nitrogen trifluoride product is obtained at an outlet; meanwhile, hot inert gas is utilized to purge the adsorber in a desorption state, outlet regenerated gas enters a compressor after being cooled, and the regenerated gas enters a membrane separation assembly after being compressed; carbon tetrafluoride is used as permeation gas to permeate through the separation membrane, and residual waste gas is discharged to an incinerator. Main equipment comprises an adsorber in an adsorption state, an adsorber in a desorption state, a regeneration gas heater, a regeneration gas cooler, a compressor, a membrane separation assembly and the like. According to the method, nitrogen trifluoride and carbon tetrafluoride are separated through temperature swing and pressure swing adsorption, carbon tetrafluoride is efficiently and selectively adsorbed through the adsorbent to obtain the high-purity nitrogen trifluoride product, carbon tetrafluoride is separated and recycled through the membrane separation assembly, and the method has the advantages of being high in product purity and yield, low in cost and simple in process.
Owner:TIANJIN UNIV

Nasal and aural nebulization device

ActiveCN224540726UMedicineGas heater
The utility model discloses an ear-nose-throat atomization dosing device, including atomizer and medicine delivery pipe, and the medicine delivery pipe's medicine inlet end is communicated with the medicine outlet end of atomizer and is installed, still include: gas heater, its top side in the medicine outlet end of atomizer and with the fixed connection of atomizer's outer wall, the soft pad, its inside hollow forms and forms the flow guide groove, the middle position of soft pad one end fixedly penetrates and installs the pressure limiting valve, and the air inlet end of pressure limiting valve and the exhaust end of gas heater are communicated and installed, be equipped with exhaust mechanism in the flow guide groove. This improved ear-nose-throat atomization dosing device uses, can under the condition that almost does not influence medicine delivery pipe bending deformation, synchronous to atomization medicine for sustained heating treatment, to make the atomization medicine of medicine delivery pipe discharge always maintain in the warm state, can greatly reduce atomization medicine in with patient ear-nose-throat inside contact to patient's irritability, not easy to cause patient to feel uncomfortable.
Owner:HUNAN AEROSPACE HOSPITAL

Outdoor gas heater

The present application belongs to the field of warmers, and particularly relates to an outdoor gas warmer. The outdoor gas warmer comprises, from bottom to top, a gas source storage box, a valve body assembly and a combustion assembly, which constitute a tower-shaped main body as a whole; the gas source storage box is of a box structure, the valve body assembly is internally provided with an electromagnetic flow valve, a multi-pass composite gas valve, an igniter and a burner; the electromagnetic flow valve is used for controlling the gas flow, the multi-pass composite gas valve controls the gas flow direction and guides the gas to the igniter; the igniter is used for ignition; the combustion assembly comprises a glass tube with a lower end cover arranged on the burner to close the burner, and is provided with a gas valve for supplying the combustion gas into the glass tube. The present application can effectively improve the gas utilization rate, simultaneously heats through two forms of heat radiation and contact heat transfer, reduces the energy invalid loss, improves the temperature rising rate, in addition, can visually estimate the flame height to estimate the gas residual amount, can realize continuous and uninterrupted combustion and gas supply, and the use effect is obviously improved.
Owner:ZHEJIANG ZHONGLI TOOL MFG

Laser processing equipment for gas heater accessories

The invention relates to the technical field of gas heater accessory laser processing, in particular to gas heater accessory laser processing equipment which is characterized in that a winding mechanism is arranged on the upper side of a bottom plate, a cooling mechanism is arranged on the winding mechanism, and a laminating mechanism is arranged on the cooling mechanism; according to the device, continuous lateral stable pressure can be continuously applied to the roots of the fins about to enter the welding position, the assembly gaps between the fins and the base tube are actively eliminated, and stable limiting without applying vertical pressure can be conducted on the outer edges of the fins at the welding point positions; the fins without the assembly clearance do not generate any radial movement at the welding moment; the fins can be pre-cooled before entering a welding area, so that the initial temperature of the material is effectively reduced, and the welded fins can be effectively cooled timely and continuously behind a welding point; and stable parallel limiting can be synchronously carried out on the fins in the side pressing and fin cooling process.
Owner:DIAMOND(ZHONGSHAN) ELECTRICAL APPLIANCE CO LTD

Temperature controller for warmer

The utility model discloses a temperature controller for a warmer, and particularly relates to the technical field of gas warmers, the temperature controller comprises a mounting plate, a temperature sensor, an operating platform and a connecting line, the temperature sensor is fixedly mounted on the rear side of the mounting plate, and the front end and the rear end of the connecting line are fixedly connected with the temperature sensor and the operating platform respectively. A fixing assembly is arranged on the mounting plate, the fixing assembly comprises two U-shaped plates, two powerful magnet plates, two threaded insertion rods and four extrusion sleeves, and the two U-shaped plates are movably arranged on the two sides of the mounting plate in a sleeving mode respectively. The U-shaped plate is rotated to drive the powerful magnet plates to rotate, so that the powerful magnet plates are attracted to a shell of the outdoor gas heater, the extrusion sleeves are rotated to make contact with the U-shaped plate, the U-shaped plate is extruded and fixed through the two extrusion sleeves and the threaded insertion rod, the mounting plate is fixed through the two powerful magnet plates, operation is easy, and the practicability is high. The whole temperature controller can be conveniently disassembled and overhauled, and the use effect is good.
Owner:CHANGZHOU WELLIFE FURNACE

A gas heater assembly for a gas heating process and a system for a gas heating process

The disclosure relates to a gas heater assembly (1) for a gas heating process, the assembly (1) comprising: a burner body (4) comprising a burner chamber (6) for burning an injecting fuel (8) and an oxidizing gas (10), which burner chamber (6) is arranged in a cavity (2) of the burning body (4); a first conveying pipe (12) for supplying the injecting fuel (8) to the burner chamber (6); a second conveying pipe (14) for supplying the oxidizing gas (10) to the burner chamber (6); a burner housing (16), comprising a housing wall (25), which is configured to encircle the burner body (4) and to create a first annular channel (18) for a gas (20) in a space (22) between the outside of the burner body (4) and the inside of the housing wall (25) of the burner housing (16); and at least one burner body support (26), which is configured to support and centre the burner body (4) in the burner housing (16), wherein the burner body (4) comprises a flame opening (28) for a burning flame (30), which is configured to heat the gas (20) which passing the first annular channel (18). The disclosure further relates to a system (42) for a gas heating process.
Owner:LOUSSAVAARA KIIRUNAVAORA AB

Gas heater for intelligent temperature regulation and control

ActiveCN224201880Uachieve connectionRealize limit connectionAir heatersTemperature controlGas heater
The utility model discloses a gas heater for intelligent temperature regulation and control, and particularly relates to the technical field of heaters, the gas heater comprises a heater shell, the inner side wall of one end of the heater shell is fixedly connected with a placing seat, a placing groove is arranged between the placing seat and the heater shell, and a rubber gasket is arranged on the inner bottom wall of the placing groove. A mounting plate is arranged at one end of the heater shell in a covering mode, an annular inserting block is welded to the surface of one side of the mounting plate, the annular inserting block is arranged in a containing groove in an inserted mode, a plurality of clamping blocks are arranged on the outer side wall of the annular inserting block at equal intervals, and a plurality of clamping grooves connected with the clamping blocks in a clamped mode are formed in the outer side wall of the heater shell at equal intervals; and a locking assembly is arranged between the heater shell and the outer side wall of the mounting plate, so that the mounting plate and the heating rod can be fixedly connected and disassembled quickly and conveniently, and meanwhile, the situation that connecting lines mounted on the mounting plate are wound together due to the fact that the mounting plate is greatly rotated can be avoided.
Owner:YUCHUANG ELECTROMECHANICAL TECH (SUZHOU) CO LTD

Exhaust-gas heater

An exhaust-gas heater for an exhaust-gas system of an internal combustion engine includes a carrier arrangement and a heating-conductor arrangement, which is carried on the carrier arrangement, and which has at least one heating conductor. The carrier arrangement includes an annular first carrier element, which surrounds an exhaust-gas-heater longitudinal axis, and a plurality of second carrier elements, which are formed separately from the first carrier element and are connected to the first carrier element in a first connecting region and to a coupling region of the heating-conductor arrangement in a second connecting region.
Owner:PUREM GMBH

Heat exchange system for avoiding freezing of water in CO2 feed gas

The utility model provides a heat exchange system for preventing water in CO2 feed gas from being frozen and congealed. The heat exchange system comprises a feed gas heater, a desulfurizing tower, a dealkylation preheater and a dealkylation tower, the raw material gas heater is connected with the desulfurization tower and is used for removing sulfur elements in raw material gas; and the desulfurization tower is connected with the dealkylation preheater and the dealkylation tower and is used for removing hydrocarbon substances in the raw material gas. According to the utility model, a large amount of heat generated by dealkylation is recovered to the previous process for heat exchange, the use of energy is reduced, so that carbon emission generated by energy production is indirectly reduced, and water condensed by carbon dioxide feed gas can be discharged by arranging the guide spraying pipeline on the shell pass of the heat exchanger, so that the water is prevented from being frozen and congealed in winter.
Owner:HENGLI PETROCHEMICAL (DALIAN) NEW MATERIAL TECH CO LTD

Dual-purpose gas heater

A dual-purpose gas heater includes a shell, a partition, a gas valve, a burner, a combustion and heat dissipation chamber, an axial flow fan, an air duct, and a wall-mounted suspension device. The shell includes a bottom shell, a front cover, and two bottom support feet. The air duct is fixed to the rear back panel and the front wall panel and communicates with the rear air inlet and the front air outlet, respectively. The axial flow fan is located at the rear of the air duct. The combustion and heat dissipation chamber passes through a through hole and is fixed to the front wall panel. The burner is fixed to the rear back panel, and the combustion part is fitted with the burner hole on the rear back panel of the combustion and heat dissipation chamber. The gas valve is located in the upper chamber. The suspension device is detachably connected to the hanging hole, and the rear end of the bottom support feet is supported by the wall. A heat-insulating and air-guiding channel is formed between the rear back panel and the wall. The suspension device, the hanging plate on the bottom shell and the rear back panel, and the bottom support feet allow for switching between wall-mounted and wall-mounted usage modes.
Owner:GUANGDONG SMARTON HEATING TECH CO LTD

Multifunctional automatic CV value test system

The invention relates to the technical field of precise fluid control, in particular to a multifunctional automatic value testing system, which comprises a setting module used for setting a testing mode and target parameters, the testing mode is one of a positive pressure testing mode and a negative pressure testing mode, and the target parameters comprise a target pressure value and a target temperature value; and the control module is used for automatically establishing and stabilizing the port pressure of the tested part to a target pressure value through corresponding units in the positive pressure supply unit and the negative pressure generation unit according to the test mode and the target parameters, and controlling the port pressure of the tested part to the target pressure value through a temperature control unit comprising a gas heater and full-pipeline heating and heat preservation. The test gas is automatically heated and stabilized to a target temperature value, and a stable pressure and temperature test environment is obtained. According to the method, a test mode and target parameters are set, a stable environment is established through closed-loop control, flow points are traversed, data are collected, values are calculated in real time, curves and reports are automatically generated, and full-process automatic testing is achieved.
Owner:SHANGHAI JUKE FLUID CONTROL CO LTD

A flue gas desulfurization device

The utility model relates to a kind of flue gas desulfurization device, belong to environmental protection equipment technical field.Device includes grinder, feeder, bunker, powder feeding system, powder gas heater, sulfur-containing flue gas pipeline, dust catcher, booster fan and chimney, wherein, bunker is connected with feeder, feeder, grinder, powder feeding system and powder gas heater are sequentially connected, powder gas heater output end is connected with sulfur-containing flue gas pipeline, sulfur-containing flue gas pipeline output end is connected with dust catcher, dust catcher is connected with chimney by booster fan.The utility model is preheated before sodium bicarbonate micro powder enters low-temperature sulfur-containing flue gas pipeline, so that the temperature of sodium bicarbonate micro powder exceeds 140 ℃, body surface form changes from powder to fluffy popcorn, to increase the surface area of sodium bicarbonate powder particle, then, heated sodium bicarbonate powder is sprayed into sulfur-containing flue gas pipeline, so that heated sodium bicarbonate powder and flue gas sulfur dioxide occur rapid chemical reaction.
Owner:山东耀华能源投资管理有限公司

Complete nitrogen gas circulation type heating vulcanization system and vulcanization method

The system is a complete nitrogen gas circulation type heating and vulcanization system and method. The system is equipped with a circulation path (7) in which a circulation pump (1), a gas heater (4), a nitrogen gas heating and uniformization device (6), a ring seat cylinder head, a bladder (31), a circulation buffer tank (15), and a filter (16) are sequentially arranged. The bladder (31) is provided in the ring seat cylinder head. The circulation buffer tank (15) is connected to a nitrogen replenishment path (33). The nitrogen replenishment path (33) is connected to a nitrogen production system (22), a low-pressure nitrogen gas buffer tank (23), a booster pump (24), a high-pressure nitrogen gas (HNG), and a filter (16). A gas buffer tank (25), a pressure reducing valve (26), and a nitrogen replenishment check valve (27) are provided in this order, a recovery line (20) is provided between the bladder (31) and the low-pressure nitrogen gas buffer tank (23), a vacuum pump (29) and a first recovery valve (28) are provided in the recovery line (20), second recovery valves (30) are connected in parallel to both the head and tail ends of the vacuum pump (29), a cooling line (32) is connected in parallel to the circulation line (7), and a first cooling valve (17), a second cooling valve (18), and a cooling device (19) are provided in the cooling line (32).
Owner:BEIJING UNIV OF CHEM TECH +2

A temperature-switching adsorption device and its regeneration process for purifying high-hydrogen sulfide coal gas

This invention discloses a temperature-switching adsorption device and its regeneration process for purifying high-hydrogen sulfide coal gas, belonging to the field of industrial by-product coal gas purification technology. The device includes an adsorption tower, a regeneration gas heater, a high-temperature gas-liquid separator, a regeneration gas cooler, and a gas-liquid separator. The adsorption tower is filled with a composite adsorbent layer that inhibits the catalytic oxidation of hydrogen sulfide. The high-temperature gas-liquid separator is equipped with a heating and insulation structure to maintain an operating temperature above the melting point of sulfur. This invention solves the problems of sulfur deposition in the adsorption bed and blockage of the regeneration cooler in traditional processes, extends the service life of the adsorbent, ensures long-term continuous operation of the device, and allows for the resource recovery of the separated liquid sulfur. It is suitable for purifying high-hydrogen sulfide coal gases such as coke oven gas and raw coal gas. The modification is simple, the investment is low, and it has good prospects for industrial application.
Owner:CHENGDU YIZHI TECH CO LTD

Gas heater

A gas heater 100 including: a structure defining a gas flow path 104 having an upstream end 102a and a downstream end 102b; first 106a, second 106b and third heating elements positioned sequentially w
Owner:TUTCO INC

Gas heater control device

The utility model relates to the technical field of gas heater control, in particular to a gas heater control device. The device comprises a heater, a plurality of groups of heating wires are arranged in the heater, the heating wires are connected with a control loop, the control loop is connected with a change-over switch, and the change-over switch is further connected with a field control box and an industrial personal computer. The heating wires are divided into an inlet temperature-rising heating wire, an inlet constant-temperature heating wire, a middle-section temperature-rising heating wire, an outlet constant-temperature heating wire and an outlet temperature-rising heating wire according to the direction from gas entering to gas discharging, and the inlet temperature-rising heating wire, the middle-section temperature-rising heating wire and the outlet temperature-rising heating wire are all provided with power regulators for regulating temperature. According to the utility model, the heating wires of the heater can be configured in multiple groups, a power regulator heating loop and a direct heating loop are configured according to requirements, selective start and stop can be realized in different environments, and meanwhile, multiple control modes can be adopted, so that the stability of the heater is improved.
Owner:CHALCO SHANDONG ENG TECH CO LTD