37results about How to "To achieve the purpose of supercharging" patented technology

The invention belongs to an energy conversion system and discloses a wave energy conversion system. The system comprises a collecting device, a conversion device and a generator set, wherein the collecting device is connected with the conversion device; the conversion device is connected with the generator set, the collecting device comprises a plurality of floating plates and a rack, and one ends of the floating plates are hinged to the rack and connected with the conversion device; the conversion device comprises a hydraulic cylinder, a pressure collecting cylinder and a hydraulic motor, a pressure shaft is connected with a piston of the hydraulic cylinder, fluid flows into the pressure collecting cylinder from the hydraulic cylinder, and the fluid flowing out of the pressure collecting cylinder drives the hydraulic motor to rotate; and the generator set is connected with the hydraulic motor and is driven to generate power by the hydraulic motor. By means of the structure, the wave energy conversion system can continuously and stably convert wave energy into electric energy and output the electric energy, the use efficiency of the wave energy is effectively improved, and the safety and stability of the system is improved.

The invention aims at providing a water jet propulsion device of a triangle rotor. The water jet propulsion device comprises a shell, a triangle rotor body, a driving gear and a driven gear. The triangle rotor body is arranged in the shell, the three angles of the triangle rotor body make contact with the inner wall of the shell, the driven gear is arranged in the triangle rotor body and fixed to the triangle rotor body, teeth of the driven gear are located on the inner wall of the driven gear, the driving gear is fixed to a transmission shaft, teeth of the driving gear are located on the outer wall of the driving gear, the driving gear and the driven gear are engaged, a water inlet and a water outlet are formed in one side of the lower end of the shell, a filter is connected with the water inlet, the water outlet is connected with a jet pipe, the jet pipe is fixedly connected with a steering device, and a jet opening is connected with the steering device through a bearing. Water currents can be pressurized in the electric energy-mechanical energy one-time energy conversion process, energy losses are effectively reduced, the propulsion efficiency is improved, and energy output of a main machine is saved.

The invention relates to an automatic pressurized reciprocating pump controlled by mechanical valve, comprising a group of pressurized reciprocating device at least. Said pressurized reciprocating device is characterized in that two-pole or multi-pole cylinder is connected in the same axis, automatic controlling switch valve units are set on two ends of cylinder respectively, one end of contact tip in automatic controlling switch valve units and cylinder piston are set in the inner cavity of cylinder. Each group of pressurized reciprocating device is connected in parallel. The invention improves not only pressurized grade but also discharge grade. It is provided with low cost, good sealing, good safety and stability so on.

A gas-liquid pressurizing device is prepared as setting piston in cylinder and setting bottom cylinder cover with oil outlet and cylinder cover with air inlet separately at two ends of cylinder, forming oil cavity by cavity between piston and bottom cylinder cover and forming air cavity by cavity between piston and cylinder cover, setting top cylinder on cylinder cover and connecting top cylinder to cylinder cover and top cylinder cover with breath hole and air inlet, arranging air cylinder piston in top cylinder, passing piston rod fixed on piston through cylinder cover then firm-jointing it with piston of air cylinder.

The invention discloses a mine confined water self-discharging system, which comprises a confined water supercharging device provided with water inlets (38 and 40) and water outlets (39 and 41) and an automatic reversing device, wherein a power output end of the automatic reversing device is connected with a power input end of the confined water supercharging device by water pipes (46 and 47), and a power output end of the confined water supercharging device is connected with a power input end of the automatic reversing device. The system has the advantages that: the design is reasonable, the manual control of the system is unnecessary after the starting, the confined water can be continuously discharged from the mine all year around, the operation of the system is safe and reliable, the labor power is saved, the fresh confined water can be automatically discharged to the ground, and directly used for industry and agriculture without any treatment, even used as domestic water, and the system can not only make full use of water source, but also avoid the environmental pollution; moreover, the system also has the advantages of simple structure, low cost, energy conservation, convenient maintenance, and strong safety, and can alleviate the labor intensity of workers and create good production benefits and social benefits for mine enterprises.

The invention provides a sliding-vane rotary vacuum pump. The sliding-vane rotary vacuum pump comprises a pump body and an eccentric rotor, wherein a cylindrical working chamber is arranged in the pump body; the eccentric rotor is a cylinder which is tangent to the working chamber; a rotary vane channel is formed in the eccentric rotor; a telescopic rotary vane is perforated in the rotary vane channel; two ends of the telescopic rotary vane prop against the inner wall of the working chamber; an air suction opening and an air exhaust opening are also formed in the working chamber; a tangent part between the eccentric rotor and the working chamber is located between the air suction opening and the air exhaust opening. When the eccentric rotor rotates clockwise, the volume of an air suction cavity near the air suction opening is greatly increased, and the pumping is started; after the pumping is ended, the chamber rotates over the position of the air suction opening and becomes an isolation chamber; when the chamber rotates to the position of the air exhaust opening again, air is exhausted outside the air exhaust opening in the process of gradually decreasing an air exhaust chamber, and the pumping is completed.

The invention relates to a belt transferring point semi-closed automatic dust removing device which comprises a semi-closed dustproof cover. An upper belt is arranged in the middle of the semi-closeddustproof cover, and a lower lap joint belt is arranged on the lower portion of the semi-closed dustproof cover. A foam film forming sealing device is arranged on an opening of the semi-closed dustproof cover. The foam film forming sealing device communicates with a foam injection pump through a foam material injection pipeline arranged in the semi-closed dustproof cover. Multiple air-water spraying devices, a gas concentration monitoring sensor and a dust concentration monitoring sensor are arranged in the semi-closed dustproof cover. The gas concentration monitoring sensor and the dust concentration monitoring sensor are electrically connected with the input end of a controller. The controller is electrically connected with the foam film forming sealing device and the gas-water sprayingdevice. The semi-closed device is used, the gas concentration in limited space can be effectively blown away and diluted, the gas harmful gas is exhausted through a top outlet, the gas is prevented from being accumulated in closed space, and meanwhile dust can be effectively treated.

The invention discloses a convenient-to-clean reaction kettle for chemical production. The reaction kettle comprises a tank body and a driving motor; a feeding port and a discharging pipe are arrangedat the top and the bottom of the tank body respectively; a plurality of supporting rods are fixedly installed at the outer top of the tank body; the driving motor is fixedly installed at the tops ofthe supporting rods; a pressurizing box is fixedly installed at the inner top of the tank body; and a flow gathering pipe is arranged at the lower portion of the pressurizing box in a communicating mode. Through the arrangement of the pressurizing box, the purpose of driving the piston plate in the pressurizing box to move up and down through the driving motor is achieved; therefore, the purpose of pressurizing the water entering the pressurizing box is achieved, the flow velocity is increased, and the flushing effect is enhanced; meanwhile, the driving motor drives the scraping plate to rotate, so that the purpose of brushing the inner wall of the tank body is achieved, the purpose of pressurizing water in the scraping plate is achieved in the ascending process of the piston plate, the purpose of pressurizing the water outlet pipe is achieved in the descending process of the piston plate, and the purpose of flushing the cleaning mechanism is achieved.

The invention discloses a downhole booster, comprising a power unit, a power converting unit, a boosting unit, a valve bank and the like. The key to realizing ultra-high-pressure jet flow rock breaking technology is to manufacture a boosting device for generating an ultra-high-pressure water jet flow. For most boosting devices, a large piston is pushed by utilizing water pressure as power to push a small piston so as to boost a small part of drilling fluid. The devices have two technological difficulties: (1) the passageway of a booster is more complicated, so that the machining and mounting are very inconvenient; (2) the reversing device of the booster is short in service life and poor in sealing property, so that the service life of the whole booster is short. According to a novel booster disclosed by the invention, a screw pump is used as a power source, the rotating motion of the screw pump is converted into the reciprocating motion of a plunger through a converting component, so as to realize boosting on part of the downhole drilling fluid. The booster has the advantages of simple structure and convenient machining process, and the common problems of the conventional downhole booster that the reversing valve is poor in sealing property and short in service life are avoided.

The invention discloses a road speed bump. The road speed bump comprises a speed bump arranged on a highway; the sped bump comprises a first bearing pad and a second bearing pad; arc cavities are formed in the opposite faces of the first bearing pad and the second bearing pad; a supporting flexible pipe is arranged in each arc cavity; a water inlet cavity is formed in the middle of each supportingflexible pipe; the supporting flexible pipes jack the first bearing pad at the upper end; first connecting lugs are arranged on two sides of the first bearing pad; second connecting lugs are arrangedon two sides of the second bearing pad; and a water inlet flexible pipe is connected with the water inlet end of each supporting flexible pipe. According to the road speed bump, combined with an underground water pipe buried in the highway, buffering of the speed bump is effectively achieved; the structure of the speed bump is changed; impact between the speed bump and wheels is reduced; water pressed out can be used to wet the road surface, and therefore dust reduction is achieved; the water delivery speed of the underground water pipe is increased by the pressed speed bump; utilization quantity of booster pumps is reduced; and the drainage speed is increased.

The invention belongs to the technical field of purification treatment, and concretely discloses a household water purification system. The household water purification system comprises a pretreatment unit, a water softening unit, a water purification unit and a water storage device which are connected sequentially, and also comprises a control cabinet and a sterilization and pressurization unit. The water softening unit is provided with a first water outlet and a second water outlet; the first water outlet is communicated with the water purification unit; the second water outlet is communicated to a water inlet pipe of a toilet and a washing trough; the sterilization and pressurization unit is arranged on a connecting pipeline between the water softening unit and the water storage device in parallel, and comprises an air conveying pipe, an air outlet pipe, an air inlet pipe, a high-pressure air storage device, a heating device and an ultraviolet lamp; one end of the air conveying pipe is communicated to the water softening unit; the other end of the air conveying pipe is communicated to the water storage device; the high-pressure air storage device is communicated with the water storage device and the water softening unit through the air inlet pipe and the air outlet pipe; the high-pressure air storage device is filled with oxygen. The household water purification system provided by the invention solves the problems that water purification equipment cannot be used for purifying all household water and cannot remove calcium and magnesium ions in the water.

The invention discloses a mine confined water self-discharging system, which comprises a confined water supercharging device provided with water inlets (38 and 40) and water outlets (39 and 41) and an automatic reversing device, wherein a power output end of the automatic reversing device is connected with a power input end of the confined water supercharging device by water pipes (46 and 47), and a power output end of the confined water supercharging device is connected with a power input end of the automatic reversing device. The system has the advantages that: the design is reasonable, themanual control of the system is unnecessary after the starting, the confined water can be continuously discharged from the mine all year around, the operation of the system is safe and reliable, the labor power is saved, the fresh confined water can be automatically discharged to the ground, and directly used for industry and agriculture without any treatment, even used as domestic water, and thesystem can not only make full use of water source, but also avoid the environmental pollution; moreover, the system also has the advantages of simple structure, low cost, energy conservation, convenient maintenance, and strong safety, and can alleviate the labor intensity of workers and create good production benefits and social benefits for mine enterprises.

The invention relates to a semi-enclosed automatic dust-reducing device for a belt transfer point, comprising a semi-enclosed dust cover, an upper belt is arranged in the middle of the semi-enclosed dust cover, a lower lap belt is provided at the lower part, and the semi-enclosed dust cover The opening is provided with a foam film sealing device; the foam film sealing device communicates with the foam injection pump through the foam material injection pipe in the semi-closed dust cover; inside the semi-closed dust cover is provided with a plurality of air-water Spray device, gas concentration monitoring sensor, dust concentration monitoring sensor; the gas concentration monitoring sensor and dust concentration monitoring sensor are electrically connected to the input end of the controller, and the controller is electrically connected to the foam film forming sealing device and the air-water spraying device; use a semi-closed The device can effectively blow and dilute the gas concentration in the confined space, discharge the harmful gas through the top outlet, prevent the accumulation of gas in the confined space, and effectively treat the dust at the same time.

The invention discloses a single-screw pump low-pressure natural gas or coal-bed gas pressurizing system and method, and relates to the technical field of oil and natural gas. The single-screw pump low-pressure natural gas or coal-bed gas pressurizing system and method do not need to conduct early-stage separation treatment on natural gas or coal-bed gas containing water and condensate oil. According to the adopted technical scheme, the low-pressure natural gas or coal-bed gas containing the water and the condensate oil is mixed with combined transportation lubrication pressurizing fluid in aspraying and absorbing mode, then pressurization is conducted through a single-screw pump till the pressure reaches at least 3 MPa, the single-screw pump changes the direction to enter a separation storage tank to conduct cyclone separation, gas obtained through separation is input into a gas network, and mixed fluid which is obtained through separation and contains the combined transportation lubrication pressurizing fluid or newly supplemented combined transportation lubrication pressurizing fluid is mixed with the low-pressure natural gas or coal-bed gas containing the water and the condensate oil in a spraying and absorbing mode through a lubrication pump. According to the single-screw pump low-pressure natural gas or coal-bed gas pressurizing system, the structure is compact, operation is reliable, the service life is long, and the operation cost is low; and the method does not need to conduct early-stage separation treatment on the natural gas or coal-bed gas containing the waterand the condensate oil, and hybrid pressurization is achieved.

The invention discloses an ORC pressurization and energy-saving air compressor. The air compressor comprises an evaporator, a rear-end heat exchanger, a turbo expander, a condenser, a liquid working medium pump, a pre-heat exchanger, a preceding-stage air compressor and a two-stage air compressor. According to the air compressor, heat of hot air generated by one-stage compression of the air compressor is recycled through ORC circulation; driving power generated in the ORC circulation drives the turbo expander-compressor to compress primarily cooled air after one-stage compression, and therefore the purpose of pressurization is achieved; the air after pressurization exchanges heat with an organic working medium of the ORC circulation twice so as to achieve the purpose of cooling; and the whole air compressor is ingenious in structure, air compression waste heat is fully utilized, and energy conservation and environmental protection are achieved.

The invention discloses a double spiral blade type deep sea medium and small-sized seawater desalinizer. The double spiral blade type seawater desalinizer mainly comprises a hollow pretreatment filtering box, a reverse osmosis semi-permeable membrane assembly shaft, booster pumps, planetary wheels, a left spiral blade, a right spiral blade and the like, wherein the integral structure is arranged at a position 30 meters below the depth of seawater; seawater enters the hollow pretreatment filtering box under seawater pressure at the depth; pretreated water enters the booster pumps; after pressurization, the pretreated water is conveyed to the reverse osmosis semi-permeable membrane assembly shaft through water conveying pipes; the water desalinated by the reverse osmosis semi-permeable membrane assembly shaft is sequentially input into an ultraviolet sterilizer and an ozone sterilizer for sterilization; and finally fresh water enters a water storage tank to output fresh water, wherein the surging of seawater causes the left spiral blade and the right spiral blade to rotate around the reverse osmosis semi-permeable membrane assembly shaft, gears on the left spiral blade and the rightspiral blade drive the planetary wheels to rotate, so that the booster pumps achieve the purpose of boosting pressure, and a rod-shaped ultrasonic descaler descales the reverse osmosis semi-permeablemembrane assembly shaft and the hollow pretreatment filtering tank.

The invention discloses a three-way air pressure adjusting valve. The three-way air pressure adjusting valve comprises an air pressure bottle, a pressure conveying pipe, a protective cover, a first pipe orifice, a pressure control device, a fixed base and a second pipe orifice; the air pressure bottle communicates with the pressure conveying pipe; the end, far from the air pressure bottle, of thepressure conveying pipe is connected with the pressure control device; and the two ends of the pressure control device communicate with the first pipe orifice and the second pipe orifice. The three-way air pressure adjusting valve has the following beneficial effects: an air pressure source in a fixed pipe is used for generating impact force on a pressurization ball, so that the pressurization ball is stressed and operated in a pressurization cavity to enter a pressure source in an extrusion cavity; due to sudden reduction of the inner diameter, the pressure source is extruded and acceleratedto output through another outlet to achieve the pressurization purpose; and when the pressurization ball is stressed and operated in the pressurization cavity, the connected place of a connecting headand the pressurization cavity can be blocked to realize the air pressure accumulation and sudden increment, so that the liquid flow output change is guaranteed, meanwhile, a high pressure source canbe stably provided to liquid, and invariable impact force during liquid outputting is guaranteed.

The invention discloses an intelligent pressurization system for a liquefied natural gas (LNG) cylinder. The intelligent pressurization system comprises the LNG cylinder and a pressurization pipe arranged on the LNG cylinder, wherein the pressurization pipe is provided with a first manually-operated valve, a pressurization valve and a pressurizer in sequence, the pressurization pipe is provided with a control valve in parallel connection with the pressurization valve through a bypass pipe, the LNG cylinder is provided with a pressure sensor, and the control valve is controlled by the pressuresensor. The pressurization system uses the parallel connection control valve to prevent a conventional pressurization pipeline from the failure of pressurization due to faults, when the pressure sensor detects that the pressure is lower than the rated pressure, the control valve is opened, thus the purpose of pressurizing the cylinder is realized and stable external gas supply of the cylinder is ensured; and when the pressure sensor detects that the pressure is higher than the rated pressure, the control valve is closed and stops pressurization to prevent excessive pressure in the cylinder.

The invention relates to a clean energy extraction technology, namely a high-pressure cavitation energy extraction technology, which generally comprises two parts of water flow operation and air flow operation according to the working state of system operation. The function of the device is that kinetic energy and potential energy generated when high-water-level water flow flows through a system device of a special structure are completely converted into cavitation energy, and the cavitation energy is provided for other systems or mechanical equipment for use after being converted, separated, collected and stored, and is also a technology for converting hydraulic energy into cavitation energy. The technology does not need to consume fuel oil, coal, electric power and other resources, has the advantages of being energy-saving, green, environment-friendly, renewable, recyclable and the like, is consistent with the national guidance direction for new energy science and technology development, and has great significance in promoting national economic development, improving the energy consumption structure, improving the ecological environment and forming a virtuous circle. The method has very important significance and very wide application prospects.

The invention discloses an auxiliary device for a solar water heater. The auxiliary device for the solar water heater comprises a water tank of the solar water heater, and further comprises a water supply and drainage pipe, an emptier, a signal wire, a water mixing valve and an auxiliary device assembly, wherein the water supply and drainage pipe is connected with the water tank and is connected with the auxiliary device assembly through the water mixing valve; meanwhile, one end of the signal wire is connected with an emptying control device; the other end of the signal wire is connected withthe auxiliary device assembly; and a liquid level control device controls a water level in the water tank. The invention provides the auxiliary device for the solar water heater. The auxiliary devicefor the solar water heater is high in universality, compact in structure, convenient to install, simple to manufacture, capable of simultaneously solving three problems of water diversion, pressurization and emptying, energy-saving, and long in service life due to short water diversion and emptying time and small motor power during pressurization; by utilizing a button switch, a user can be reminded of timely turning off a power supply when the solar water heater is not in use, so that an energy-saving effect is achieved; and through forced emptying, water in the water supply and drainage pipe can be thoroughly emptied, so that an anti-freezing effect is remarkably improved in winter.

The invention discloses wear testing equipment in the field of geotextile wear testing, comprising a base, a support column fixedly connected to the upper end of the base, a guide rail fixedly connected to the upper end of the support column, a guide column fixedly connected to the upper end of the guide rail, an upper bottom plate slidably arranged on the circumferential surface of the guide column, and a guide cylinder and a spring fixedly connected to the upper end of the upper bottom plate, a telescopic rod is slidably arranged in the guide cylinder, a moving plate is fixedly connected to the upper end of the telescopic rod, a third sliding groove is formed in the upper end face of the moving plate, a double-thread lead screw is rotatably connected into the third sliding groove, a second handle is fixedly connected to the side end of the double-thread lead screw, and a first thread block and a second thread block are in threaded connection with the circumferential face of the double-thread lead screw; and the lower end of the first thread block is rotationally connected with a supporting rod, the lower end of the supporting rod is rotationally connected with the second connecting block, and the lower end of the second connecting block is fixedly connected with a pressing plate. The structure is simple, the manufacturing cost is low, and the upper bottom plate can be conveniently pressurized only through simple operation.

The invention discloses a gas-liquid reaction device, which comprises a reaction chamber. A pressure regulation chamber is mounted in the reaction chamber; when internal pressure intensity of the reaction chamber is high, a movable plate is pushed under pressure and moves upwards through spring compression by the aid of slide balls; when the pressure intensity is diminished, the movable plate is pushed to move downwards under the elastic force of springs by the aid of the slide balls, and accordingly the internal pressure intensity of the reaction chamber is kept in a balanced state; when pressurizing is required, electric telescopic rods can be started to extend for pushing the movable plate to move downwards, so that pressurizing can be realized. The reaction chamber is internally provided with a liquid inlet and a liquid outlet, and liquid in the reaction chamber is kept in a flowing state through a water pump; a sprinkler for increasing gas-liquid contact area is mounted at the liquid inlet to promote reaction progress; a changing process of reaction in the reaction chamber can be observed through a visible window. The gas-liquid reaction device is reasonable in design and convenient to operate and popularize.

The supercharging system is composed of electromagnetical stop valve, revolution speed transducer, controller, booster, turbine, inter-cooler, resonant cavity, additional volume cavity, and diesel engine etc. Controlling switch of stop valve speeds up booster of turbine under no load condition so as to run at higher rotating speed in short time period. In early stage of speeding or loading diesel engine, resonance pressure charging instead of turbocharging reaches target of boost. When rotate speed of booster exceeds 60% of rated speed, with signal from transducer being received, the controller sends out signal to change operating conditions of three stop valves, cuts off connection between additional volume cavity and resonant cavity. Air from atmosphere passing through booster, and going to inter-cooler enters to resonant cavity, where resonant boost effect is generated. The invention raises volume power of diesel engine.

The invention relates to a supercharged hot water circulation device which comprises a water pump, a water return control unit, a water pressure switch and a constantly-open type electromagnetic water valve. The water pressure switch is arranged on a water inlet pipe of a water heater, and the input end of the water pressure switch is connected with a 220 V power source. The output end of the water pressure switch is divided into two ways, wherein one way is connected with the power end of the constantly-open type electromagnetic water valve, and the other way is connected to an electromagnetic coil of an alternating-current contactor B. The input end of the alternating-current contactor B is connected with a 220 V power source, and the output end of the alternating-current contactor B is connected with a water pump power source. The water pressure switch and the electromagnetic water valve are additionally arranged, when hot water is used, the water pressure switch is turned off, the normally-open type electromagnetic water valve is closed, water flow of a water return pipe is cut off, a water pump is started to work, and the purpose of supercharging is achieved.

The invention discloses a hub gravity casting four-opening pressurizing mold in the field of hub intelligent manufacturing, which comprises an upper mold plate and a lower mold plate which are horizontally arranged, the lower mold plate is arranged on a base, a lower mold is arranged on the lower mold plate, and at least two inclined side opening guide rails are arranged on the lower mold plate corresponding to each side mold; side-opening driving mechanisms are arranged corresponding to the side dies, a plurality of vertical guide columns evenly distributed in the circumferential direction are arranged on the lower side of the upper die plate, the lower ends of the guide columns are fixedly connected with the upper die, the upper die, the four side dies and the lower die define a cavity, a horizontal ejector plate capable of moving up and down is arranged corresponding to the guide columns, and the horizontal ejector plate is fixedly connected with the upper die. The ejector plate is in transmission connection with a center lifting driving mechanism, a plurality of pressurizing ejector rods distributed at intervals in the circumferential direction are arranged on the lower side of the ejector plate, and a side air plug corresponding to the cavity is arranged at the lower end of each pressurizing ejector rod. By introducing air into the cavity, the internal structure of the hub casting cast by gravity is compacted, and the four side dies are opened at the same time, so that the efficiency is higher.

The invention discloses a resistance reducing and supercharging device of an engine air intake channel. Smooth transition is adopted at a turning corner position, a guide plate is added in a corner channel, the guiding portions of air guiding sheets are punched, and accordingly eddy structures at vortexes A, B and C produced in a buffering air channel are damaged to make local flowing resistance loss effectively reduced. In addition, the length of a straight through air pipe is shortened to reach the front edge of a vortex D area, high-speed airflow in the straight through air pipe is utilizedto destroy an original vortex structure, accordingly the energy consumption problem of a vortex D in the prior art is solved, and thus local flowing resistance loss is effectively reduced. By adopting the air channel structure, airflow speed can be improved, air intake pressure is increased, and the supercharging purpose is achieved. When an engine is at low rotating speed, oil and gas in a combustion chamber are fully stirred and mixed due to increase of air-intake kinetic energy, and energy conservation and emission reduction effects are played.

The invention discloses a dual-channel electric supercharger. The dual-channel electric supercharger comprises a gas inlet main pipeline, an adjustable gas inlet pipe and an electric gas compressor; an annular groove surrounding the gas inlet main pipeline by a circle is arranged on the outer side of the rear portion of the gas inlet main pipeline, and penetrates the rear end of the gas inlet main pipeline; the rear end of the gas inlet main pipeline is enlarged and bent to the outer side; the adjustable gas inlet pipe is connected with the front portion of the gas inlet main pipeline in a threaded manner so that an annular gas cavity can be formed between the front portion of the adjustable gas inlet pipe and the annular groove; when gas in the annular gas cavity flows out of an annular gas outlet, the gas can flow along the arc-shaped inner wall of the rear end of the gas inlet main pipeline, and therefore a Coanda Effect can be generated; and the electric gas compressor is connected with the front portion of the adjustable gas inlet pipe, and is communicated with the interior of the adjustable gas inlet pipe, and gas can be introduced into the annular gas cavity by the electric gas compressor. The dual-channel electric supercharger is simple in structure, low in cost, faster in response, high in gas compressing efficiency and capable of performing supercharging adjustment according to engines different in discharging capacity, and therefore the adaptive capacity is higher.