268results about How to "Reduce air intake" patented technology

The invention discloses a vehicular diesel engine highland second-stage adjustable pressurization system and method. The system comprises a high-pressure stage supercharger, a low-pressure stage supercharger and an electronic control unit; a middle cooler is arranged between a high-pressure stage gas compressor and a low-pressure stage gas compressor; a middle cooler is arranged behind the high-pressure stage gas compressor; the high-pressure stage gas compressor is connected with the high-pressure stage supercharger; the low-pressure stage gas compressor is connected with the low-pressure stage supercharger; the high-pressure stage supercharger and the low-pressure stage supercharger are connected in series; the turbine side of the high-pressure stage supercharger is provided with a containment high-pressure regulating valve; the turbine side of the low-pressure stage supercharger is provided with a low-pressure regulating valve; the gas compressor side of the low-pressure stage supercharger is provided with a gas compressor by-pass valve; the high-pressure regulating valve, the low-pressure regulating valve, the by-pass valve and a turbine blade regulating mechanism of the high-pressure stage supercharger are controlled by an electronic control unit. a secondary middle cooling technology (the middle cooler is arranged between the high-pressure stage gas compressor and the lower-pressure stage gas compressor and the middle cooler is arranged behind the high-pressure stage gas compressor) is adopted, so that the air temperature after pressurization is reduced, the air input is improved, and the power performance and economical efficiency of an diesel engine are ensured.

The invention relates to a compressed air air-conditioner. The invention belongs to a rotor transducer used for converting energy into power, and relates to an air-conditioning system using an expansion engine to increase the energy of a compressor. The compressed air air-conditioner can be used for adjusting the indoor temperature by cold air generated by expansion of compressed air which is cooled, and is an ideal environment-friendly air-conditioner which has low air specific heat and high relative energy consumption so as not to be used as the common air-conditioner. If the expansion engine with high energy conversion efficiency can recover the compression energy as much as possible, and the energy is only consumed in the aspects of heat exchange and mechanical wear, so that the compressed air air-conditioner has the value of being taken as the common air-conditioner. The compressed air air-conditioner comprises the compressor which is arranged together with the expansion engine in a coaxial way, and a heat exchanger is connected between the compressor and the expansion engine. The compressed air air-conditioner is characterized in that both the compressor and the expansion engine use the rotor transducer. The compressed air air-conditioner has the advantage of adding the advantage of saving energy on the basis of environmental protection.

The invention relates to a sand shooting mechanism, which comprises a main sand shooting and air exhausting mechanism, a sand storage cylinder arranged below the main sand shooting and air exhausting mechanism and storing core sand inside, and a shooting head positioned under the sand storage cylinder and provided with a plurality of sand shooting holes, wherein the main sand shooting and air exhausting mechanism shoots downward sand shooting airflow into the sand storage cylinder, and the upper part of the shooting head is also provided with a shooting head sand-shooting mechanism which shoots the downward sand shooting airflow into the shooting head. Because a sand shooting initial stage carries out sand shooting and air admittance through the upper part of the shooting head to drive the core sand inside the shooting head, the required kinetic energy is smaller, correspondingly, the required sand shooting airflow pressure is lower; therefore, the air inlet amount is reduced, and abrasion of a mould is slowed down. Matched with sand shooting motion of the sand storage cylinder driven by the sand shooting airflow of the main sand shooting and air exhausting mechanism, the sand shooting mechanism effectively ensures compactness of the sand core.

The invention discloses a peak-regulating power station integrating IGCC and a supercritical unit, and a peak regulating method. The peak-regulating power station comprises an IGCC power generator set and a supercritical power generator set, wherein a gasifier outlet in the IGCC power generator set is connected with a purification unit synthesized gas inlet, a purification unit outlet is divided into two ways, one way is connected with a combustion chamber of a gas turbine to implement the quick variable load of the peak-regulating power station by regulating the synthesized gas inlet volume of the gas turbine, and the other way is connected with a synthesized gas burner of the supercritical boiler in the supercritical power generator set; an extraction pipeline in steam cylinder of the supercritical steam turbine which is provided with steam by the supercritical boiler is connected with a steam regulator, an outlet of the steam regulator is connected with a combined cyclic steam turbine inlet pipeline in the IGCC power generator set; the two ways are organically fused through the connection and coordinated matching of pipelines among the systems, the quick and deep peak regulating capability of the power station can be realized, and the relatively high power generation efficiency can be kept.

The invention discloses a control method of an air conditioner. The air conditioner comprises a fresh air inlet, an inner circulation air inlet, an air outlet and an air duct, wherein the air ducts communicate among the fresh air inlet, the inner circulation air inlet and the air outlet; the air duct comprises a main air duct body, a first sub air duct and a second sub air duct, wherein the firstsub air duct and the second sub air duct are connected in parallel; the fresh air inlet is sequentially connected with the air outlet through the first sub air duct and the main air duct body, and theinner circulation air inlet is connected with the air outlet in sequence through the second sub air duct and the main air duct body; the first sub air duct is provided with a first air volume adjusting device, and the second sub air duct is provided with a second air volume adjusting device. The control method of the air conditioner comprises the following steps that when the air conditioner is detected to be in a fresh air mode, condensation parameters of the air conditioner are acquired; and when the condensation parameters meet the first condensation condition, the opening degree of the second air volume adjusting device is increased, or the opening degree of the first air volume adjusting device is reduced. The invention further discloses the air conditioner and a computer readable storage medium. According to the air conditioner, the control method of the air conditioner and the computer readable storage medium, fresh air conveying is reasonable.

The invention discloses a device and a method for collecting storage tank discharged gas. The device comprises more than one storage tanks A for storing a medium A, and more than one storage tanks B for storing a medium B; breather valves, emergent release valves, pressure transducers and cutting valves are respectively arranged at the tops of the storage tanks; the cutting valves of the storage tanks A are communicated with storage tank A gas phase pipes through storage tank A pipe fire stoppers; the other ends of the storage tank A gas phase pipes are respectively connected with one end of a storage tank A gas phase gathering pipe; the cutting valves of the storage tanks B are communicated with storage tank B gas phase pipes through storage tank B pipe fire stoppers; the other ends of all the storage tank B gas phase pipes are respectively connected with one end of a storage tank B gas phase gathering pipe; the other end of the storage tank A gas phase gathering pipe and the other end of the storage tank B gas phase gathering pipe are respectively connected with one end of a storage tank gas phase gathering pipe main pipe; and the other end of the storage tank gas phase gathering pipe main pipe is connected with a dirty oil collecting system. The device can reduce the loss caused by direct discharge of oil into the atmosphere, and reduces the probability of generating potential safety hazards by feeding a lot of air into the tanks.

The invention relates to a transparent conducting oxide thin film, in particular to preparation equipment of the transparent conducting oxide thin film and a method thereof. The preparation equipment comprises a closed reaction chamber with a vacuum-pumping system and an air inlet system; wherein, a base plate frame capable of moving or rotating is arranged inside the closed reaction chamber, furnished with a heater, a baffle and a sputtering source arranged opposite to the base plate frame. The difference lies in that an oxygen ion source is arranged between the substrate frame and the sputtering source. The centric angles of the oxygen ion source and the base plate frame are adjustable within the range from 0 degree to 180 degrees. In the invention, reactive plasma oxygen is used as a reactant replacing the oxygen, thus greatly reducing the probability of anode disappearing and cathode poisoning and the frequency of arc starting and enhancing the operating stability of the system. In addition, the structure is simple, the manufacturing cost and the operation and maintenance cost is low.

The invention discloses an integrated window-type air conditioner. The air conditioner comprises an indoor panel, a cabinet, an evaporator, an indoor fan, a condenser, an outdoor fan, a volute, a compressor and a base plate, wherein the volute comprises a fixed volute and a rotatable volute; the fixed volute forms a cambered surface which semi-encloses the outdoor fan in the cabinet; the rotatable volute is connected to a lower section base plate and rotates by taking a connection position as a rotating shaft; and the lower section base plate is provided with an outdoor vent hole. When the rotatable volute is folded, the outdoor vent hole is enclosed; when the rotatable volute is unfolded, the fixed volute and the rotatable volute form a continuous volute inner surface and heat-exchanged air is guided to flow outwards from the outdoor vent hole. The folded volute occupies a smaller space in the cabinet, so that the overall height of the outdoor side cabinet is reduced and transportation cost is saved. The unfolding degree of the rotatable volute is determined according to the practical indoor condition, so that the air supply volume and air exhaust volume in the cabinet can be adjusted freely according to the practical condition and the running state of the air conditioner is optimized.

The invention relates to an adjustable wind power generation device, namely a vertical axis wind wheel connecting rod combination variable pitch wind power generation device. The vertical axis wind wheel connecting rod combination variable pitch wind power generation device includes a lower support plate, an upper support plate which are sleeved on the central shaft of the wind wheel, and a wind wheel blade plate which arranged between the upper support plate and the lower support plate. A power generation rotor is fixedly connected with the lower supporting plate, and the stator is fixed on the central shaft of the wind wheel. A blade plate support shaft is arranged between the upper support plate and the lower support plate, and the wind wheel blade plate is arranged on the blade plate support shaft and rotates around the blade plate support shaft. A variable pitch system capable of adjusting the working position of the wind wheel blade plate is arranged on the central shaft of the wind wheel. The vertical axis wind wheel connecting rod combination variable pitch wind power generation device can effectively lower the rotating speed of the wind wheel, reduced the wind energy conversion rate of the vertical axis wind wheel, and achieves the overload protection for a permanent magnet generator.

The invention discloses a vehicle-mounted oxy-hydrogen generation device mounted on a vehicle for providing hydrogen-oxygen mixed gas to an internal combustion engine. The vehicle-mounted oxy-hydrogen generation device comprises a stainless steel pressure container, an electrolysis tank, a first-grade steam-water separator, a second-grade steam-water separator, an accumulator and a controller. The electrolysis tank uses pure water as electrolyte for electrolysis to generate the hydrogen-oxygen mixed gas. In the device, the gas entering an engine is the hydrogen-oxygen mixed gas, and the hydrogen-oxygen gas separation is not needed; an electric conducting net is in middle of a water guide frame of the electrolysis tank to realize no diaphragm and no intermediate pole, that is, the pole distance of the electrolysis tank is nearly zero, so that the energy consumption is reduced, and the electrolysis efficiency is improved; the pure water can be efficiently electrolyzed; no alkaline substance is evaporated in the electrolysis process, so that the internal combustion engine has no alkaline corrosion; and meanwhile, the electrolysis tank has no diaphragm, so that the service life of the electrolysis tank is largely prolonged.

The invention discloses an air conditioner outdoor unit, an air conditioning unit and a refrigeration control method and a heating control method thereof. The air conditioner outdoor unit comprises an outdoor unit shell and a wind valve, wherein the wind valve covers an intake port of the outdoor unit shell. The air conditioner outdoor unit is provided with the wind valve for covering the intake port of the outdoor unit shell, so that the intake quantity of the outdoor unit shell can be adjusted through the wind valve, that is, the heat exchange quantity of an outdoor heat exchanger with external environment can be adjusted; and in particular, in low-temperature refrigeration and high-temperature heating of the air conditioning unit, the heat exchange quantity of the outdoor heat exchanger with the external environment is reduced, so that the low-temperature refrigeration operation stability and the high-temperature heating operation stability of the air conditioning unit are improved, and the service life of a compressor can be prolonged.

The invention provides an electronic cigarette oil leakage preventing device adopting a light-induced reversible deformation layer. The electronic cigarette oil leakage preventing device comprises a housing (12), a light source accommodation cavity (2) provided with a light source (1) in the inside and provided with a transparent light outlet wall (2-1), a light-induced reversible deformation layer (5) provided with a lighted side surface and a back-lighted side surface, and an elastic layer (6) tightly attached to the back-lighted side surface of the light-induced reversible deformation layer (5), wherein the lighted side surface faces the light source (1), an airflow outlet channel is defined between the lighted side surface of the light-induced reversible deformation layer (5) and the light outlet wall (2-1) and the housing (12), and an air inlet hole (8) and an air outlet hole (3) of the airflow channel are respectively formed in the housing (12), one end of every one of the two holes is fixedly connected with the light outlet wall (2-1) or the housing (12), the other end of every one of the two holes is attached to the lighted side of the light-induced reversible deformation layer (5), and therefore blocking of the airflow channel is formed.

An exhaust gas purification system has a NOx purification catalyst (22), and the catalyst (22) purifies NOx when the air-fuel ratio of exhaust gas of an internal combustion engine (E) mounted on a vehicle is in a lean state and recovers purification ability when the air-fuel ratio is in a rich state. The system performs recovery control for setting the exhaust gas to a rich air-fuel ratio state in order to recover the NOx purification ability of the NOx purification catalyst (22), and at the time of retardation of the vehicle, both fuel system rich control and air-intake system rich control are used in the recovery control. The recovery control can be performed without worsening of drive comfort of the vehicle and with deterioration of fuel consumption involved in the recovery control suppressed.

The invention discloses a method and device for controlling the idling speed of an engine and belongs to the field of automobile electronic control. The method for controlling the idling speed of the engine comprises the steps that a starting request of an electrical load is received; the electrical load is controlled to work, an idling speed ignition angle of the engine is adjusted to be optimal when the electrical load works, the air input of a throttle valve is adjusted so that the actual rotating speed of the engine can be improved, and adjustment of the air input of the throttle valve is stopped when the actual rotating speed of the engine is equal to a first target idling speed; a stopping request of the electrical load is received; the electrical load is controlled to stop working, the idling speed ignition angle of the engine is adjusted to be optimal, the air input of the throttle valve is reduced so that the actual rotating speed of the engine can be lowered, reduction of the air input of the throttle valve is stopped when the actual rotating speed of the engine is equal to a second target idling speed, and the second target idling speed is lower than or equal to the first target idling speed. By the adoption of the method and device for controlling the idling speed of the engine, the oil combustion efficiency can be kept highest when the engine is at the idling speed, and oil consumption is reduced.

The invention provides a braking control method, device and equipment and a storage medium. The method comprises the steps that when it is determined that an engine is in the braking working condition, the current rotation speed of the engine is acquired; whether the current rotation speed is higher than preset critical rotation speed or not is determined, wherein the critical rotation speed is the critical speed between a middle-low rotation speed area and a high rotation speed area, the rotation speed in the middle-low rotation speed area is the braking rotation speed commonly used by a user, and the rotation speed in the high rotation speed area is not lower than the maximum rotation speed in the middle-low rotation speed area; if not, the deflation opening degree of a supercharger is controlled to be zero; and if yes, the deflation opening degree of the supercharger is adjusted to a first opening degree value, wherein the first opening degree value is larger than a second opening degree value, the first opening degree value is the deflation opening degree corresponding to the current rotation speed when the engine is in the braking working condition, the second opening degree value is the deflation opening degree corresponding to the current rotation speed when the engine is in the positive work working condition, and the first opening degree value is larger than zero. According to the scheme, variable adjustment of the braking power can be achieved, and then the reliability of the engine is improved.

The invention discloses an air inlet sectioning device for an internal combustion engine in the field of four-stroke internal combustion engines. The device comprises at least one air inlet passage and at least two air inlet pipes; an air inlet aid control valve is arranged between the air inlet passage and the air inlet pipes; and when the opening and closing of the air inlet aid control valve are timed, the air inlet process of the air inlet passage is divided into at least two air inlet durations, and the air inlet passage is sequentially communicated with the corresponding air inlet pipes in the divided air inlet durations respectively. When the air inlet sectioning device is applied to the four-stroke internal combustion engine, gases with different components and / or gases with different pressures can be sectioned and sequentially pass through the air inlet passage in different air inlet durations to enter a cylinder so as to reduce the discharge of the internal combustion engine and / or improve the transient response performance of a turbocharged engine.

The invention discloses an air feeding and discharging adjustment system with multiple connection pipes in the technical field of internal combustion engines. The air feeding and discharging adjustment system comprises an air compressor, a turbine, an engine, the connection pipes, a volumetric cavity, a moving body, penetration pipes and an elastic part, wherein the first penetration pipe and the second penetration pipe penetrate through the upper wall surface and the lower wall surface of the moving body; and the right wall surface of the moving body is connected with the right wall surface of the volumetric cavity through the elastic part. In the working process of the engine, the moving body can move in the volumetric cavity left and right; under a working condition of low speed, the pressure of the left side of the moving body is relatively low, so that the moving body moves towards the left, the first connection pipe and the third connection pipe are communicated with each other, the air feeding amount of the air compressor is relatively increased, and the air compressor does not surge; and under a working condition of high speed, the pressure of the left side of the moving body is relatively high, so that the moving body moves towards the right, the fifth connection pipe and the sixth connection pipe are communicated with each other, the air feeding amount of the engine is relatively reduced, and the detonation pressure of each cylinder is reduced. The air feeding and discharging adjustment system is rational in design and suitable for turbine pressurization systems of engines and has a simple structure.

The invention provides an internal water content system and method of a fuel cell. The system comprises a water content detection system, wherein the water content detection system is arranged at two ends of an electric stack of the fuel cell and is used for detecting water content in a proton membrane in the electric stack of the fuel cell, the water content detection system comprises a ultrasonic wave generator and a ultrasonic receiver, and a controller is connected to the water content detection system and is used for adjusting air supply quantity of an air inlet and exhaust system of the fuel cell according to the water content, received by the water content detection system, of the proton membrane. The water content detection system is used for detecting the water content in the fuel cell, the water content of the proton membrane can be calculated according to the internal water content, and the air supply quantity of the air inlet and exhaust system is adjusted by the controller according to the water content of the proton membrane. By the system, the problems that the generation power of the fuel cell is reduced and the service lifetime of the proton membrane is reduced due to non-uniform water content of the proton membrane during the application of the fuel cell in the prior art are solved.

The invention provides a battery sealing storage box based on new energy, which belongs to the technical field of battery storage boxes, and aims to solve the problem that the ventilation efficiency of an air inlet of an existing storage box is greatly reduced due to the fact that cleaning operation cannot be automatically performed when a large number of sundries are attached to a filter screen of the air inlet of the existing storage box. The battery sealing storage box based on new energy comprises a box body; a mounting plate is mounted at the bottom of the box body, and a clamping mechanism is arranged on the front side of the middle of the bottom end face of the box body; a sweeping mechanism and a driving mechanism are arranged on the front portion of the right side of the box body; and two hand-screwing bolts are arranged on the upper portion of the front side of the box body in a bilateral symmetry mode, and a drying box piece is arranged on the rear side in the box body. The small wind speed sensor transmits a signal of low wind speed to the control box, then the control box starts the driving motor, the driving mechanism drives the sweeping brush to conduct up-down reciprocating sweeping motion, and therefore a large number of sundries attached to the filter screen of the square air inlet can be automatically swept. Therefore, the ventilation efficiency of the square air inlet of the storage box is greatly improved.

The invention relates to the technical field of oxygen preparation through the cryogenic process, and discloses an integrated type preparation method and preparing and supplying device for medical care gas. The preparing and supplying device comprises a hot end system, a cold end system and a backup system. The hot end system is used for air filtration, cooling, drying and purification. The gas treated through the hot end is divided into four branches to enter the cold end system and the backup system. The cold end system comprises a high-pressure tower and a low-pressure tower. Liquid oxygen prepared by the low-pressure tower mainly comes from liquid air rich in oxygen in the high-pressure tower, and thus pure oxygen reaching medical standards is prepared. By installing an oxygen buffer tank and increasing the operation pressure, the different demands for gas consumption during day and night of a hospital can be met when the device is operated stably and continuously at rated flow. By adoption of the device, liquid oxygen, liquid nitrogen, oxygen, nitrogen and medical dry air can be obtained simultaneously. A liquid oxygen storage tank and a liquid nitrogen storage tank are capable of maintaining the operation of a gas pipeline under the condition that the device is stopped. The preparing and supplying device saves energy, is simple in operation and stable in control.

The invention discloses a thermal circulation process of a gas turbine based on pure oxygen or oxygen-enriched combustion, which comprises the following steps: compressing liquid fuel or gas; compressing oxygen gas or oxygen-enriched air; carrying out mixed combustion of the liquid fuel or the gas and the oxygen gas or the oxygen-enriched air; spraying water for controlling temperature; expanding high temperature and high pressure flue gas after combustion in the gas turbine for applying work; cooling most of water vapor in tail gas with circulating water in a condenser, wherein the condensed water circulates to a combustion chamber to be used for spraying water for controlling temperature, and the non-condensable gas is extracted by a vacuum pump; or exhausting gas under normal pressure without the use of the vacuum pump. By adopting direct combustion of the pure oxygen or the oxygen-enriched air and adopting the water spraying mode to replace excess air for controlling temperature, the air inflow is small, the amount of compression of a compressor is small, the restriction of the optimal pressure gas ratio is eliminated, the circulating intake pressure is improved, the non-condensable gas in the tail gas is little, and the exhaust pressure can be reduced through vacuum condensation. Because the process has high circulating intake pressure and low exhaust pressure, the expansion ratio of the gas turbine is improved, thereby improving the generating efficiency.

The invention discloses a centrifugal fan. The fan comprises a fan frame and an impeller received in the fan frame, wherein the fan frame is provided with a first air inlet, an air outlet and a tongue part close to the air outlet as well as a protrusion which is positioned in the air inlet and close to the tongue part. The centrifugal fan comprises a fan frame and an impeller received in the fan frame, wherein the fan frame comprises a cover plate, a bottom plate and a side wall arranged between the cover plate and the bottom plate, the impeller is arranged in a space enclosed by the cover plate, the bottom plate and the side wall, the side wall is provided with an air outlet and a tongue part close to the air outlet, the cover plate is provided with a first air inlet and a protrusion positioned in the first air inlet, and the bottom plate is provided with a vent close to the tongue part. The protrusion is arranged in the first air inlet to reduce air intake in the first air inlet, so the influence of redundant air on the tongue part is reduced and noises are further reduced.

The invention discloses an experiment device for regulating different angles in a variable valve different lifting method. According to the device, a pair of air inlet cams of each cylinder can produce continuously changing different angles, so the valve lifting difference changes, eddy currents are produced and regulated, and a different angle experiment regulation system is provided for researching influences of the variable valve different lifting method on flowing characteristics of air in cylinders of an engine.

A compressor and turbine homo-mechanism regulating mechanism in the technical field of internal combustion engines comprises a compressor, a turbine, an engine, connecting pipes, a containing cavity, a moving part, penetrating pipes and an elastic part. Both the first penetrating pipe and the second penetrating pipe penetrate an upper wall and a lower wall of the moving part. A left wall of the moving part is connected with a left wall of the containing cavity through the elastic part. During operation of the engine, the moving part can move left and right in the containing cavity. At low operating speed, left pressure of the moving part is low, the moving part moves to the left, the first connecting pipe and the third connecting pipe are communicated with each other, air intake of the compressor increases relatively, and the compressor barely surges. At high operating speed, left pressure of the moving part is high, the moving part moves to the right, the fifth connecting pipe and the sixth connecting pipe are communicated with each other, air intake of the engine decreases relatively, and detonation pressure of cylinders lowers. The compressor and turbine homo-mechanism regulating mechanism is reasonable in design, simple in structure and applicable to turbocharging systems of engines.

The invention discloses a temperature regulation method for a cooling tower. The method is as follows: an inner side and an outer side of an air inlet of the cooling tower are respectively provided with a circle of water pipeline, nozzles are installed on the water pipelines, and in a summer, an air cooling area is formed by inner space and outer space around the air inlet through low temperature spray, thereby enabling high air wet bulb temperature to decrease after wet bulb passes through the cooling area; condensed water sprayed by the nozzles is obtained by supplying a water source by using the cooling tower, carrying out secondary condensation on the water source by using a refrigeration means, supplying obtained condensed water to the circles of water pipeline by using a water pump and then distributing the condensed water to each branch pipeline, and the condensed water is sprayed out by using the nozzles, a row of metal wires are vertically hung from top to bottom in the inner side of the air inlet of the cooling tower and hung above a water surface of a water storage tank, the metal wires are parallelly arranged so as to enclose the air inlet of the cooling tower, the bottoms of the metal wires are integrated into one by using a steel pipe, and a deicer is arranged on the steel pipe. According to the invention, the advantages of a simple structure, capacity of maintaining a temperature and cooling, safety, high efficiency, agility, utility and integration with nature are obtained; the cooling tower can automatically adjust air intake amount of the air inlet, and the temperature of cooling water is controlled to be in an optimal range.

A sweet potato charcoal grilling device comprises an external heat preservation baffle, a support, a left bearing, a right bearing, a rotating shaft, a hand-cranking handle, a left turning plate, a right turning plate, a rotating connection transverse rod, a free suspended goods shelf, a charcoal basin, a hand-cranking air blower and wheels. The external heat preservation baffle is located outside the device, wraps the outer side of the support and is made of heat preservation metal materials. The support is of a cube structure. The left bearing is arranged on the left face of the support. The right bearing is arranged on the right face of the support. A cross-shaped metal frame is arranged on the lower portion of the support. The rotating shaft penetrates through an inner rotor of the right bearing. The rotating shaft and the inner rotor are welded together. The hand-cranking handle is connected with the rotating shaft. The two ends of the rotating connection transverse rod are welded to the left turning plate and the right turning plate respectively. The free suspended goods shelf is formed by three to five metal strips in a surrounding mode. The metal strips and the rotating connection transverse rod are arranged in parallel. The charcoal basin is of a circular basin type or square basin type structure. The bottom of the charcoal basin is formed by a plurality of metal strips.

The invention discloses a heat sealer with a vacuum pumping device. The heat sealer comprises a foundation and a first pressing rod which are hinged with each other; the pressing position of the foundation and the first pressing rod is provided with a heating structure; and a vacuum pumping air nozzle is arranged in front of the heating structure on the foundation and is connected with a vacuum pumping air pump through an air conveying pipe. The heat sealer combines the functions of vacuum pumping and sealing, is convenient to operate, reduces the possibility that air enters a packing bag, and guarantees the vacuum degree in the packing bag. The heat sealer with the vacuum pumping device has great application prospect.

The invention relates to a lemniscate spiral air inlet supercharger, which comprises a compressor air inlet, a compressor air guide wheel, a compressor air guide wheel front section, an air inlet, an intermediate, a turbine casing, wherein the compressor air inlet has a lemniscate air inlet path; and the compressor air guide wheel front section is provided with at least one spiral air entraining groove. The whole structure of the supercharger is not changed, parts are not additionally arranged, the air inlet of the supercharger is innovatively designed, inlet air flow resistance and flow energy loss are reduced, air is promoted to generate prewhirl, air flow is increased, and the efficiency of the supercharger is improved.

The invention provides an adjustment system with the post-pressure of an air compressor as control pressure in the technical field of an internal combustion engine, comprising an air compressor, a turbo, an engine, connection pipes, a volume chamber, a moving body, a penetration pipe and an elastic part, wherein two ends of the first connection pipe are communicated with an exhaust pipe and the upper wall face of the volume chamber respectively; two ends of the third connection pipe are communicated with the right wall face of the volume chamber and the air inlet pipe of the engine respectively; and the penetration pipe penetrates through the upper wall and the lower wall of the moving body. During the working process of the engine, the moving body can move left and right in the volume chamber; under the low speed working condition, since the pressure on the right side of the moving body is lower, the moving body moves rightward; the first connection pipe and the second connection pipe cannot be communicated; the air inflow of the engine is relatively increased; and the power rises. Under the high speed working condition, since the pressure on the right side of the moving body is higher, the moving body moves leftward; the first connection pipe and the second connection pipe are communicated with each other; the air input of the engine is relatively decreased; and the explosive pressure of each cylinder is decreased. The adjustment system with the post-pressure of the air compressor as the control pressure is rational in design, simple in structure and applicable for a turbo charging system of the engine.

The invention discloses a method for reducing and removing nitrogen oxide by adsorption-oxidation and liquid phase absorption. The method comprises the following steps: (1) letting exhaust gas containing nitrogen oxide to pass through a fixed bed reactor filled with a molecular sieve to oxidize part of the nitrogen oxide and adsorb the nitrogen oxide on the molecular sieve; (2) stopping feeding the exhaust gas, feeding carrier gas (air or nitrogen), and performing heating desorption on a bed layer of the molecular sieve in a WF-01 differential integral reactor; (3) absorbing desorbed gas with a sodium sulfite in a filler tower, to finally reduce the gas into nitrogen. According to the method disclosed by the invention, efficient and low-cost removal of the nitrogen oxide is realized; desorbed nitrogen dioxide is 80 percent or higher of the total volume of the desorbed nitrogen oxide; after the gas is absorbed and reduced with the sodium sulfite solution, the denitrification rate can be up to 80 percent or higher.