65results about How to "Control the air volume" patented technology

The invention relates to an air amount adjusting device of an extractor hood and a control method of the air amount adjusting device of the extractor hood. The air amount adjusting device comprises a main control unit of the extractor hood, and a fan motor connected with the main control unit of the extractor hood and used for driving a fan to work. The air amount adjusting device is characterized by also comprising a temperature sensor for detecting the temperature of the bottom of a pot arranged on a gas stove, a pot bottom temperature detection circuit connected with the temperature sensor, a main control unit of the gas stove, a wireless signal transmitting module connected with the main control unit of the gas stove, and a wireless signal receiving module connected with the main control unit of the extractor hood, wherein the main control unit of the gas stove is connected with the pot bottom temperature detection circuit. The main control unit of the gas stove can be used for calculating smoke amounts according to the pot bottom temperature detected by the pot bottom temperature detection circuit; then the main control unit of the gas stove transmits smoke amount information to the wireless signal receiving module through the wireless signal transmitting module; the wireless signal receiving module then transmits the smoke amount information to the main control unit of the extractor hood; and the main control unit of the extractor hood controls the fan motor to work at different rotating speeds according to the smoke amounts.

The invention discloses an overflow type intelligent air distribution control system, which is used for intelligently managing ventilation of an underground mine. A bifurcate door and a motor for controlling the opening and closing of the bifurcate door are arranged at an air inlet cylinder in a ventilating system; at least one gas sensor and at least one differential pressure sensor are arranged in a tunnel; and a computer control system is respectively in circuit connection with the motor, a gas sensor and a differential pressure sensor and controls the motor to adjust the opening and closing sizes of the bifurcate door according to data received from the gas sensor and the differential pressure sensor, so that the air inlet quantity is controlled, and the accumulated gas can be slowly and safety exhausted. By the overflow type intelligent air distribution control system, the air inlet quantity of the air cylinder is accurately controlled in real time according to the on-site gas concentration, and intelligent control is guaranteed, so that the gas is safely and reliably exhausted, and the safety of a mine is guaranteed.

The invention relates to the technical field of warm air blowers, in particular to a warm air blower capable of purifying air. The warm air blower capable of purifying the air comprises a shell, a mounting strip is vertically arranged in the middle of the right side of an inner cavity of the shell, a motor is mounted on the outer wall of the mounting strip, an output shaft of the motor is connected with a ventilation fan, a T-shaped block is inserted into a T-shaped groove, a filtering plate is arranged in the middle of the lower end of the T-shaped block, the lower end of an electric telescopic rod is connected with a brush used in cooperation with the filtering plate, an electric heating plate is arranged on the left side of the inner cavity of the shell, a plurality of rotating shafts are rotationally connected between the front side and the rear side of the inner wall of an air outlet, the outer sides of the rotating shafts are sleeved with air baffles, the middles of the outer sides of the rotating shafts are sleeved with worm wheels, and the bottom of an inner cavity of the air outlet is rotationally connected with a worm. According to the warm air blower, the structural design is reasonable, the use is convenient and fast, the air can be purified, the air quality can be improved, the air outlet volume of the air outlet can be conveniently adjusted, and the use is more convenient.

The invention discloses a fan and an air conditioning unit. The fan comprises a volute, an air supply part and an air inlet part. The volute comprises a first volute body and a second volute body which are mutually isolated; the first volute body is provided with an air inlet; the air supply part comprises an impeller and a first isolating piece at least partially sleeved with the impeller; at least one part of the impeller is arranged in the first volute; the other part of the impeller is arranged in the second volute; the first isolating piece can enable fluid flowing into the air supply part to blow towards the impeller in two parts; the air inlet part comprises a second isolating piece; the second isolating piece is arranged in the air inlet part, and the air inlet part can be devided into two or more first cavities and second cavities which are mutually isolated; the first cavity communicates with inner space of the first isolating piece; and the second cavity communicates with outer space of the first isolating piece.

The invention relates to a workblank forging air cooling process, in particular to a workblank forging air cooling process for a non-quenched and tempered automobile engine connecting rod. The invention also relates to air cooling equipment adopted for implementing the air cooling process. The air cooling equipment comprises a system machine frame, a transmission chain, an air tube, a blast blower and a computer control device. The forge element cooling speed is precisely controlled through the air cooling equipment, the equipment can realize the computer automatic programming control, and the chain speed and the air outlet quantity of each air cooling passage can be regulated according to different air cooling requirements of the forge elements, so the hardness and the metallographic structure of the forge elements reach the standard requirements. The process and the equipment provided by the invention belong to the workblank forging air cooling process for the automobile engine connecting rod and the air cooling equipment with the advantages that the structure is simple and reasonable, the operation is convenient, the cooling speed of the forge elements can be effectively controlled, and meanwhile, the quality of the forge elements can be ensured.

The invention provides a rotary gas-solid heat exchange device utilizing waste slag heat and a heat exchange method. The rotary gas-solid heat exchange device comprises a heat exchange cylinder, a rotation control motor, a cooling fan and a vortex generator, wherein the front end and the rear end of the heat exchange cylinder are sealed, the heat exchange cylinder is provided with a charge hole, an air outlet, a discharge hole, an air inlet and a spiral channel, and the air intake direction of the cooling fan is opposite to the charging direction. The rotary gas-solid heat exchange device is also provided with a temperature controller, a pressure controller and a rotating speed transducer. Cooling air is input along the spiral channel, and is directly contacted with particles in an opposite moving mode to exchange heat with the particles. With the adoption of the rotary gas-solid heat exchange device, the air intake volume of the cooling fan, the air exhaust volume of a hot air outlet of a rotary heat exchanger and the slag charging and discharging volumes are well controlled, the contact area of heat exchange media is enlarged to the maximum extent, and the energy cost is saved to the maximum extent. The rotary gas-solid heat exchange device solves the problems of large water consumption, easiness in generation of harmful gases capable of polluting the environment, resource waste, high cost and poor effects in the heat exchange of the existing blast furnace slag.

The invention provides a ventilation window structure of a substation. The ventilation window structure comprises a wall body and a ventilation opening, wherein the ventilation opening is provided with a border; a shutter is arranged in the border; the part between the outer side surface of the border and the inner wall of the ventilation opening is filled with a hemp thread; a metal net is arranged at the indoor side of the shutter in the border; a dustproof net is arranged at the outer side of the metal net; a plurality of large net holes are arranged in the metal net; a plurality of small net holes are arranged in the dustproof net; fixed devices are arranged at two sides of the metal net; a release button is arranged on each fixed device and is connected with a chuck through a spring mechanism in the fixed device; clamping grooves matched with the chucks are arranged in the border corresponding to the fixed devices; and angle steel is arranged between the periphery of the indoor side of the border and the inner wall of the ventilation opening; and two wall surfaces of the angle steel are locked on the inner wall of the ventilation opening and the peripheral surface of the indoor side of the border by using expansion bolts and rivets respectively. The ventilation window structure of the substation is simple and is convenient to clean and maintain; good ventilation and exhausting are achieved; and the dust is effectively prevented.

The invention relates to a multi-pipe air inlet air mixing cabin which comprises a shell, an indoor air inlet pipe set, an outdoor air inlet pipe set and down draught preventing valve plates. An air mixing region and a mixed air outlet are formed in the shell, holes allowing indoor air inlet pipes and outdoor air inlet pipes to be inserted are formed in the shell, the indoor air inlet pipe set comprises the indoor air inlet pipes, the outdoor air inlet pipe set comprises the outdoor air inlet pipes, one end of each indoor air inlet pipe and one end of each outdoor air inlet pipe are arranged in the air mixing region, the other end of the corresponding indoor air inlet pipe and the other end of the corresponding outdoor air inlet pipe are arranged outside the shell, all the ends, in the air mixing region, of the indoor air inlet pipes and all the ends, in the air mixing region, of the outdoor air inlet pipes are provided with the down draught preventing valve plates, the down draught preventing valve plates are connected and fixed to the indoor air inlet pipes and the outdoor air inlet pipes through hinges, and the hinges are located in the centers of openings of the indoor air inlet pipes and the centers of openings of the outdoor air inlet pipes. Air inlet amount is disintegrated through multi-pipe air inlet, and control over air mixing proportions and air mixing temperature is facilitated; the problems of air leakage and down draught can be solved through the tiny air inlets and the down draught preventing valve plates.

The invention belongs to the technical field of waste gas treatment, and in particular relates to a method and a treatment device for treating dimethylamine waste gas by aeration, cooling and neutralization. The device for aeration, cooling, neutralization and legal treatment of dimethylamine waste gas includes a primary sulfuric acid aeration contact cooling tank, a secondary sulfuric acid aeration contact cooling tank, a lye spray tower, and a plasma photocatalytic integrated machine. A Roots blower is connected to the aerator conveying pipe at the bottom of the first-stage sulfuric acid aeration contact cooling tank. A circulating refrigeration coil is installed in the first-stage sulfuric acid aeration contact cooling tank, and a first-stage sulfuric acid aeration contact cooling tank is installed on the top. an exhaust duct. The dimethylamine waste gas treatment method and device of the present invention use the waste gas to circulate in the sulfuric acid solution, control the volume and number of bubbles through the design of the aerator, improve the turbulence of the sulfuric acid liquid, and increase the installation of the aerator The depth prolongs the contact time between the air bubbles and the treatment material, and further improves the treatment efficiency of dimethylamine.

The invention provides an air conditioner indoor unit which comprises a shell, a centrifugal draught fan, a heat exchanger, a flow leading and air guiding device, and a shielding device. The shell is provided with a first air inlet, a second air inlet and an air outlet. The centrifugal draught fan is arranged in the shell and is configured to promote air flow to flow towards the air outlet from the first air inlet. The heat exchanger is arranged in the shell and is located in an air inlet area of the centrifugal draught fan. The flow leading and air guiding device is arranged in the shell and is configured to guide air flow from the centrifugal draught fan and air flow from the second air inlet into the shell for mixing, and therefore mixed air flow can be sent out from the air outlet. The shielding device is configured to open or close the second air inlet in a controlled manner. The air conditioner indoor unit is large in air sending amount, in addition, the flow mixing proportion of non-heat-exchange air and heat exchange air can be adjusted, and soft mixed air with a proper temperature can be blown out in a controlled manner.

The invention discloses an efficient air filtration and dehumidification apparatus. The apparatus comprises a protective shell for support and connection, a support shell movably connected with an inner end surface of the protective shell, and a capping shell for capping the protective shell. The apparatus is provided with a filtering mechanism, when a dehumidifier works, if a user needs to adjustan air intake amount, the user can turn connecting handles, the connecting handles can drive activated carbon adsorption plates inside connecting cylinders to rotate through connecting shafts, when the three connecting handles are vertical, the three activated carbon adsorption plates are perpendicular to the connecting cylinders, at this time, no particulate matter filtering operation is performed, and at the same time an air intake amount of the dehumidifier is maximized, when the three connecting handles are at the horizontal level, the activated carbon adsorption plates can carry out adsorption of particulate matters in air in all directions, and the air quality after subsequent moisture removal is improved. At the same time, the user can adjust an air intake amount of the dehumidifier by adjusting any angle of the connecting handles.

The invention provides an air conditioner indoor unit. The air conditioner indoor unit comprises a shell, a centrifugal fan, a heat exchanger, a draining air guiding device, a blocking plate and a driving device, wherein the shell is provided with a first air inlet, a second air inlet and an air outlet; the centrifugal fan is arranged in the shell; at least partial heat exchanging section of the heat exchanger is in a shape of a flat plate and located between the centrifugal fan and the first air inlet; the draining air guiding device is arranged in the shell and arranged to guide airflow from the centrifugal fan and airflow from the second air inlet into the draining air guiding device for mixing, and the mixed airflow is blown out through the air outlet in a mode that the mixed air has velocity components in the direction parallel to the rotary axis of the centrifugal fan; the blocking plate is arranged at the first air inlet and provided with a fixed plate part and a movable plate part; the driving device is arranged to drive the movable plate part to move to the inner side or the outer side of the fixed plate part from a position where the first air inlet is closed. According to the air conditioner indoor unit, the blocking plate and the driving device are arranged at the first air inlet, and opening and closing of the first air inlet can be controlled.

The invention discloses a self-induction working intelligent humidifier and belongs to the technical field of intelligent homes. The intelligent humidifier comprises a base, the base is provided witha water storage groove, a water vapor generator is installed in the water storage groove, a water tank is installed above the base, a water vapor channel is arranged in the water tank, water in the water storage groove flows out of the water vapor channel after being treated by the water vapor generator, the base or the water tank is provided with a humidity sensor used for sensing environment humidity, the humidity sensor is connected with a control unit, the control unit comprises a memory module, the interior of the memory module at least comprises a humidity memory value, and when the humidity memory value is equal to humidity sensing data of the humidity sensor, the control unit controls the water vapor generator to be started or stopped. In addition, the invention further discloses acontrol method of the self-induction working intelligent humidifier. The intelligent humidifier has the advantages of being capable of selectively being started or stopped automatically according toindoor environment, and more beneficial to human body health.

The invention relates to a multi-pipe air inlet air mixing cabin which comprises a shell, an indoor air inlet pipe set, an outdoor air inlet pipe set and down draught preventing valve plates. An air mixing region and a mixed air outlet are formed in the shell, holes allowing indoor air inlet pipes and outdoor air inlet pipes to be inserted are formed in the shell, the indoor air inlet pipe set comprises the indoor air inlet pipes, the outdoor air inlet pipe set comprises the outdoor air inlet pipes, one end of each indoor air inlet pipe and one end of each outdoor air inlet pipe are arranged in the air mixing region, the other end of the corresponding indoor air inlet pipe and the other end of the corresponding outdoor air inlet pipe are arranged outside the shell, all the ends, in the air mixing region, of the indoor air inlet pipes and all the ends, in the air mixing region, of the outdoor air inlet pipes are provided with the down draught preventing valve plates, the down draught preventing valve plates are connected and fixed to the indoor air inlet pipes and the outdoor air inlet pipes through hinges, and the hinges are located in the centers of openings of the indoor air inlet pipes and the centers of openings of the outdoor air inlet pipes. Air inlet amount is disintegrated through multi-pipe air inlet, and control over air mixing proportions and air mixing temperature is facilitated; the problems of air leakage and down draught can be solved through the tiny air inlets and the down draught preventing valve plates.

The invention provides an air conditioner indoor unit. The air conditioner indoor unit comprises a shell, a centrifugal fan, a heat exchanger, a drainage air guide device, a baffle plate and a horizontal moving mechanism, wherein the shell is provided with a first air inlet, a second air inlet and an air outlet; the centrifugal fan is arranged in the shell, and the rotary axis or the extension line of the rotating axis of the centrifugal fan passes through the first air inlet; at least part of a heat exchange section of the heat exchanger is in a flat plate shape, and the heat exchanger is located between the centrifugal fan and the first air inlet; the drainage air guide device is arranged in the shell and used for guiding airflow from the centrifugal fan and airflow from the second air inlet into the drainage air guide device to be mixed, and the mixed airflow is blown out of the air outlet in a velocity component mode in the direction parallel to the rotating axis of the centrifugal fan; the horizontal moving mechanism is used for driving the baffle plate to move in the direction parallel to the rotating axis of the centrifugal fan so as to open or close the first air inlet. The air conditioner indoor unit is large in air supply volume and capable of blowing out gentle mixed air with a moderate temperature.

The invention discloses a plastic dipping machine. According to the key points of the technical scheme, the plastic dipping machine comprises a plastic dipping furnace, a heating furnace fixedly connected to one side of the plastic dipping furnace, and a plasticizing furnace fixedly connected to the side, far away from the heating furnace, of the plastic dipping furnace; the plastic dipping furnace comprises a ceiling fixedly connected to top end of the portion between the heating furnace and the plasticizing furnace, a lifting assembly connected in the ceiling and a plastic dipping box body connected to the lifting assembly and located between the heating furnace and the plasticizing furnace; the plastic dipping furnace, the heating furnace and the plasticizing furnace are connected witha conveying chain at the same time, the plastic dipping box body can be close to the conveying chain under driving of the lifting assembly, a knocking assembly capable of knocking the conveying chainand located in the inner part of the plastic dipping furnace is connected in the position, above the conveying chain, of the ceiling, an air blowing assembly which blows air into the plastic dipping box body is connected to the bottom surface inside the plastic dipping box body, and a cooling fan is arranged on the ground corresponding to the part, extending out of the plasticizing furnace, of theconveying chain. According to the machine, the effects that the powder coating is used for carrying out plastic dipping on the metal, the automatic production is realized, and the processing time isshortened are achieved.

The invention discloses a powdered carbon quick low-temperature combustion smoldering device of a biomass briquette combustion device, and belongs to the technical field of biomass combustion. The powdered carbon quick low-temperature combustion smoldering device is characterized in that the two ends of air inlet pipes (27) communicate with the outer side of a smoldering pool (20); air outlets are formed in the pipe walls of the air inlet pipes (27); flowing air is introduced into the air inlet pipes (27) to cool the smoldering pool (20); a part of air in the air inlet pipes (27) enters the smoldering pool (20) to assist combustion; the air inlet pipes (27) are further connected with an air volume adjusting unit used for adjusting the flow velocity of cooling air; a combustion assistance adjusting mechanism is connected with the air inlet pipes (27); and the combustion assistance adjusting mechanism cooperates with the air volume adjusting unit to adjust the volume of combustion-supporting air entering the smoldering pool (20). According to the powdered carbon quick low-temperature combustion smoldering device of the biomass briquette combustion device, coking and slagging of fuel and volatilization of potassium, sodium and chloride elements are avoided, problems of gas and solid pollutant emission and equipment sticky dirt due to straw combustion are radically reduced, and ash can be directly utilized in farmland fertilizers.

The invention discloses an air outlet structure for an air purifier. The air outlet structure for the air purifier comprises a top cover, a support seat and a base, wherein a cross-shaped reinforcingrib is arranged on the inner side of the top cover; a through hole is formed in the middle of the reinforcing rib; a layer of separation net covers between the reinforcing rib; the support seat is located on the bottom part of the top cover; a rotary knob is arranged in the middle of the support seat; buckles are arranged on two sides of the support seat; clamping grooves are formed in corresponding positions on the top cover; the buckles and the clamping grooves are connected in a matching way; a spherical seat is arranged on the bottom part of the support seat; an arc-shaped groove is formedin the corresponding position on the base; the spherical seat is rotatably connected with the arc-shaped groove; and a plurality of bolt holes are formed in the outer side of the base. The air outletstructure for the air purifier is divided into the top cover, the support seat and the base, and the separation net covers on the top cover, so that outside dust and foreign matters can be preventedfrom entering an air outlet, and the occurrence of the phenomenon that the danger is caused when children put fingers into the air outlet structure or the foreign matters enter the air outlet so as tocause the damage of the equipment is avoided.

The invention discloses a movable fan cooling device which is used for generating cooling of a double-wall corrugated pipe. The cooling device comprises a centrifugal fan, a blowpipe, an air door, a connecting plate and omni-directional wheels, wherein the centrifugal fan is installed on one end surface of the connecting plate, the omni-directional wheels are installed on the other end surface of the connecting plate, the air door is installed on the air inlet of the centrifugal fan, and the blowpipe is connected with the air blowing port of the centrifugal fan. According to the cooling device disclosed by the invention, by moving the omni-directional wheels, polydirectional cooling is realized, and the difficulties that the fan can not be placed because a workbench is narrow and the like can be overcome, the mode of air cooling is soft, and the temperature fluctuation is relatively stable; the problems that a flaring is distortional, the wave crest of the corrugated pipe is burnt to be broken and the outer wall is coarse and the like caused by overhigh temperature of a module when the double-wall corrugated pipe is molded into a mould are solved; the cooling device has the advantages that the operation is more simple and more convenient, wind power is more moderate, the device does not occupy the narrow space of a machine and can be moved freely, and the production efficiency is effectively improved.

The invention discloses a household refuse direct heating oxygen-deficient gasification kiln which comprises a kiln body, a feeding opening, an S-shaped heating guide pipe, an exhaust pipe, a heater, an air blower, a thermodetector, an unloading opening and a carbon pool. The feeding opening is formed in the upper end of the kiln body; the heater is arranged at the lower end of the kiln body; the S-shaped heating guide pipe is arranged in the kiln body, the lower end of the S-shaped heating guide pipe is connected with the heater, and the top end of the S-shaped heating guide pipe is connected with the exhaust pipe; the S-shaped heating guide pipe is provided with an air hole A; the air blower is arranged below the heater; the thermodetector is arranged on the inner wall of the kiln body; the unloading opening is formed in the bottom of the kiln body; the carbon pool is arranged on the outer side of the kiln body and is connected with the unloading opening; the exhaust pipe is arranged at the top of the kiln body; and an exhaust valve is arranged on the exhaust pipe. After the household refuse direct heating oxygen-deficient gasification kiln is heated by the heater, smoke waste heat is recycled in a heat storage manner, the high-temperature smoke waste gas is recovered to the maximum degree, energy is sufficiently circulated and used, auxiliary fuel does not need to be added, and the energy-saving aim is achieved under the effect of oxygen-deficient burning.

The invention discloses efficient and environment-friendly garbage incinerator equipment. The efficient and environment-friendly garbage incinerator equipment comprises a feeding device, a conveying device, a fire grate device and a slag discharging device; the conveying device is located between the feeding device and the fire grate device; a sealing box device is arranged at the top of a lower ash hopper, and a hydraulic rod of the forward pushing hydraulic cylinder penetrates through the sealing box device and then is connected with a fire grate; the conveying device is used for conveying garbage in the feeding device to a drying section fire grate; the slag discharging device is located at the tail end of a burnout section fire grate and used for receiving slag discharged from the burnout section fire grate. The feeding device, the conveying device, the fire grate device and the slag discharging device cooperate to improve the garbage treatment efficiency, and the large-scale incinerator can be easily achieved.

The invention discloses a double-surface indication pressure meter which comprises a pressure meter shell. A heat insulating shell is fixedly connected on the outer wall of the pressure meter shell, a containing shell is fixedly connected at the top of the heat insulating shell and communicated with the heat insulating shell, a communication opening is formed in the top of the pressure meter shell, the pressure meter shell is communicated with the heat insulating shell through the communication opening, an air inlet device is arranged in the containing shell, and a ventilation hole is formed in the top of the containing shell. The double-surface indication pressure meter is provided with the air inlet device, electric heating wires, a treatment device, a first feedback module, a second feedback module, a first comparison module, a second comparison module, a first temperature sensor and a second temperature sensor, so that the temperature in the pressure meter can be detected, heating treatment is performed when the temperature is lower, the pressure meter can work under suitable temperature, detection errors of the pressure meter can be reduced, numerical values can be accurately detected by the pressure meter, and use of people is facilitated.

The invention relates to a device for lowering blowing noise of a steel tube dust blowing and sucking device. The device comprises two pipeline connectors with variable diameters, 2n pipelines, n checking valves and n mufflers, wherein the n is greater than 2. One of the pipeline connectors with the variable diameters is connected with a main blowing pipeline of an air storage tank. One end of each of the n pipelines is connected with one pipeline connector with the variable diameters, and the other end of each of the n pipelines is connected with one checking valve. Each checking valve is also connected with one muffler. One end of each of the other n pipelines is connected with one muffler, and the other end of each of the other n pipelines is connected with the other pipeline connector with the variable diameters. The other pipeline connector with the variable diameters is connected with a blowing nozzle. The sectional area of any one of the 2n pipelines is smaller than the sectional area of the main blowing pipeline. Through the technical scheme of the device for lowering the blowing noise of the steel tube dust blowing and sucking device, the blowing noise can be effectively lowered, the purposes of energy conservation and remission reduction can be achieved, and the device is quite suitable for being used practically.

The invention discloses an air purifier with an air outlet direction and air output adjustable. The air purifier comprises a housing, a filtering element, an air exhaust motor and an air discharge motor; the bottom of the housing is connected with an adjusting bracket; the housing comprises an upper surface, a lower surface and a side surface; an air inlet is formed in the lower surface; the air exhaust motor is arranged above the air inlet; the upper surface serves as a sealed surface; an air outlet is formed in the part, close to the top of the housing, of the side surface of the housing; the air discharge motor is arranged below the air outlet; a sealed air channel is formed between the air inlet and the air outlet; the air exhaust motor and the air discharge motor are correspondingly located at the two ends of the air channel; and the filtering element is located in the air channel. To-be purified air enters from the bottom of the air purifier, and the height from the bottom surface of the air purifier to the ground is adjusted through the adjusting bracket at the bottom of the housing, so that air input of the air inlet is controlled; and the air outlet is formed in the side surface of the housing, so that the purified air is supplied in the direction of 360 degrees.

The invention discloses a power conversion mechanism of a wind energy storage hybrid power device of a new energy vehicle. The mechanism comprises a base, a first air outlet pipe, a second air outlet pipe, an air bellow, a gate groove, a gate, a hydraulic rod, a belt shaft cam, a bearing seat, a belt pulley, a belt, a belt rod matching seat, a hydraulic cylinder, a hydraulic cylinder supporting seat, a belt drawing pipe box, a connecting pipe, an oil tank, a supporting seat, a magnetic field providing seat, a belt pulley I, a bearing seat I, a shaft-equipped conical gear, a transmission belt, a belt wheel II, a shaft-equipped conical gear I, a belt wheel III, a spring, a locking threaded rod, a fixing base with a threaded hole, a cover with a threaded hole, an embedded groove, an air inlet, a circular air inlet, a rotating cover, a coupler, a motor, a power wind wheel, a coil, a rotating shaft, an inner bevel gear, an inner bevel gear I, an inner bevel gear II, an impeller with a shaft, an oil return one-way valve, an oil outlet one-way valve, a push-pull piston, a filter plate and an oil outlet pipe.

The invention discloses a moisture control device for fruit and vegetable boxes in a refrigerator. The moisture control device comprises the fruit and vegetable boxes and a glass shelf. The rear sideof the glass shelf is provided with a rear trim strip. The front side of the glass shelf is provided with a front trim strip. A fruit and vegetable box sealing cover is arranged between the fruit andvegetable boxes and the glass shelf. The edge of the rear side of the fruit and vegetable box sealing cover is hinged to the bottom of the rear trim strip. A fixed tube of a cylindrical structure is arranged on the top of the front side of the fruit and vegetable box sealing cover. An adjusting mechanism for controlling the front end of the fruit and vegetable box sealing cover to move up and downis arranged between the fixed tube and the front trim strip. The adjusting mechanism comprises an adjusting sleeve. The sidewall of the lower portion of the adjusting sleeve is provided with an adjusting groove. The front end of the sidewall of the fixed tube is provided with an adjusting clamp pin. According to the moisture control device provided by the invention, a rotary handle is rotated todrive the adjusting clamp pin to move upwards or downwards along the adjusting groove so as to increase or decrease the space between the fruit and vegetable box sealing cover and the fruit and vegetable boxes, the supply air rate of the fruit and vegetable boxes is controlled, and the internal moisture of the fruit and vegetable boxes is adjusted accordingly.

The invention relates to a moxibustion box. The moxibustion box comprises a box body and a box cover, wherein the box body is lined with a metal frame, a plurality of through holes corresponding to air holes are formed in the metal frame, sides extend outwards form the periphery of the lower end of the metal frame so as to form a gap between the metal frame and the inner surface of the box body, asliding plate is arranged in the gap, baffling pieces corresponding to the through holes are arranged on the sliding plate, and the sliding plate is controlled to move by an adjusting rod. Accordingto the moxibustion box, a nailing process in the production process of the box body is omitted, the production step is simplified, the defective rate is decreased, accessories are convenient to dismount and replace, and the moxibustion box is durable.

The invention relates to a rotary bus battery compartment heat dissipation grille which comprises a battery compartment door. The battery compartment is provided with a heat dissipation through hole;the rotary bus battery compartment heat dissipation grille further comprises a grille panel and a rotary driving device. The grille panel is arranged in the heat dissipation through hole in a matchedmanner, is communicated with the heat dissipation through hole, and can horizontally rotate by 360 degrees relative to the battery cabin door; the rotary driving device is positioned in the center ofthe grille panel, is connected with the grille panel and drives the grille panel to horizontally rotate by 360 degrees relative to the battery cabin door. According to the rotary bus battery compartment heat dissipation grille, the grille panel is controlled by the rotary driving device to rotate and adjust relative to the battery compartment door, the opening direction of the grille panel is changed, then the air inlet amount in the battery compartment is controlled, the heat dissipation effect is improved, and the waterproof effect is achieved; the invention further provides an automatic rain-proof wind-increasing heat dissipation control method with the rotary bus battery compartment heat dissipation grille.

The invention relates to a biomass cooking heating furnace. The biomass cooking heating furnace can be formed by one water heating unit and multiple cooking units to achieve multiple purposes. By adopting the double-mode design of natural air distribution and constraint air blasting, various firepower requirements can be met. By combining oxygenizing limiting and multi-stage oxygen supplying and combusting, according to the concentration of combustible gas, the amount of the oxygen supplying can be automatically optimized. According to step combining of oxygen supplying pipes with different shapes and apertures, the higher turbulence disturbance effect can be generated to prompt the sufficient degree of oxygen fuel gas mixing. Due to a fin type heat exchanger, the heat-exchange area is greatly increased. Due to special combining of a cooking combustor and a transverse exhaust gas channel, a hollow burning pot can be used inside, and efficient water boiling is carried out. Due to the wide adaptive capacity on the biomass fuel, the biomass cooking heating furnace can be used in the wide agricultural and pastoral area, can be matched with biomass forming fuel to replace a coal-based furnace which has the polluting emission, and can be popularized in cities and towns.