27results about How to "Reduce air volume" patented technology

The present application provides a kind of diuron granule moisture drying device, it is related to drying device technical field, including drying frame body and quartz heating tube, quartz heating tube is arranged on the inner wall of drying frame body, bottom support is arranged below the inside of drying frame body, the central position of bottom support top is equipped with heat dissipation cylinder, the bottom support top of heat dissipation cylinder outside is rotatably equipped with inner spiral and outer spiral, the diameter of inner spiral is less than outer spiral, hollow ring is arranged on the bottom support between inner spiral and outer spiral, clearance is left between the lower end of hollow ring and bottom support, the inside of drying frame body is equipped with rotating shaft.The slow rotation of inner spiral and outer spiral can lift the material originally located at the bottom to the upper, and drop from the upper end of hollow ring to the bottom, so circulation, not only can realize the mixing of material horizontal direction, but also can realize the mixing of up and down position, avoid the material located at the bottom is always not lifted, cause the problem of the material temperature of bottom to be too high.

This invention relates to the field of sludge treatment technology and provides an integrated device for low-heat-loss sludge drying and incineration. The device includes a frame, a drying unit, an incineration unit, a sludge conveying unit, a flue gas conveying unit, and a flue gas treatment unit. The flue gas conveying unit consists of an air intake mechanism and an inlet pipe. The air intake mechanism comprises a blower body, a drive assembly, a control assembly, a hollow main shaft, an annular frame, blower blades, and an adjustment assembly. The air intake mechanism can steplessly adjust the blower body's exhaust and suction air volume, output air pressure, and operating efficiency in real time. Based on real-time changes in the moisture content, feed amount, and organic matter content of the wet sludge, it can quickly adjust the blower body's exhaust and suction air volume, precisely control the heat supply of the annular flue gas heat exchange chamber, and precisely control the flue gas volume of the incineration unit. This stabilizes the optimal combustion condition of the incineration unit under a slightly positive pressure, completely solving the problems of positive pressure flue gas leakage or negative pressure cold air infiltration in the incineration unit, and reducing the fluctuation range of the combustion temperature in the incineration unit.

The application relates to the technical field of plastic processing, and discloses a polypropylene high-strength composite material injection molding equipment for injection molding, which comprises a heating box, a hot melting cavity and a push cavity are arranged in the heating box, a nozzle is arranged at one end of the heating box close to the push cavity, a valve seat is arranged in the push cavity, a valve plate is arranged on the valve seat to block, a piston is arranged on one side of the valve seat, and a hysteresis rod is sleeved on the piston. The hysteresis rod pushes the valve plate to open the valve seat, the piston can push the material out of the nozzle, the valve has a counterforce on the hysteresis rod, spring I is compressed, when the piston is retracted, the hysteresis rod moves in the same direction, but the speed of the hysteresis rod is smaller than that of the piston due to the influence of spring I, the valve is still in the open state within a certain time, the material at the nozzle can move a distance to the position of the valve, saliva flow is avoided, and air intake is reduced.

The utility model provides a kind of intelligent fresh air system for pasture, including base, the top of base is equipped with fresh air machine, further include with the gas monitoring mechanism of the intercoordination of the fresh air machine, the fresh air machine includes body, the sidewall of the body is equipped with frequency conversion fan and first delivery pipeline.The utility model is provided with the setting of gas monitoring mechanism, controller and frequency conversion fan, can monitor the air quality in pasture in real time during use, and data transmission is given to controller, then the speed of frequency conversion fan is intelligently controlled by the data of monitoring, reduce air volume when environment is good, reduce energy waste, when air pollution is over standard, automatically promote ventilation efficiency, without artificial continuous duty, can reduce manpower cost, improve management efficiency, also can avoid the deterioration of environment caused by artificial intervention lag.

The utility model relates to waste liquid treatment technical field discloses neutralization buffer cabinet and marine engine, wherein the neutralization buffer cabinet, including: cabinet, the inside of cabinet is divided into first oil removal area and second oil removal area by partition, and the bottom of partition is equipped with the communicating port of intercommunication of first oil removal area and second oil removal area, first oil removal area interval is equipped with waste liquid inlet and oil outlet, and the oil outlet is installed in the upper of waste liquid inlet and is located the oil layer position of first oil removal area, and the bottom of first oil removal area is equipped with first aeration disc, second oil removal area interval is equipped with lye inlet and overflow port, and the bottom of second oil removal area is equipped with second aeration disc, the utility model discloses utilize the difference of oil -water density in first oil removal area, and the oil and oil residue that float up are discharged through oil outlet, realize oil liquid preliminary separation, in second oil removal area, and the oil grease in waste liquid happens saponification reaction by the lye that is passed in, further remove the oil grease in waste liquid, and the oil grease removal effect is better.

This utility model discloses a dual-purpose (dry and wet) heat exchange tube, belonging to the field of heat exchange technology. It includes a flat heat exchange tube with straight-through S-shaped fins connected to it. A partition plate is fixed inside the flat heat exchange tube, and a baffle plate is installed inside the tube. A connecting assembly is installed at the end of the tube, and a support and protective structure is snapped onto it. Using a flat heat exchange tube in conjunction with straight-through S-shaped fins achieves both dry and wet application, reducing equipment size. The straight-through S-shaped fins have low resistance, are easy to clean with cold water, have no dead corners, and are not prone to scaling. Even if scaling occurs, it can be thoroughly removed by using a descaling agent and high-pressure water rinsing without damaging the fins. The partition plate and baffle plate inside the flat heat exchange tube can change the flow state, increase turbulence, and thus improve heat exchange efficiency. The support and protective structure provides support for the flat heat exchange tube.

The utility model discloses a storage box for eggs, which relates to the technical field of egg storage devices and comprises a storage box body, a plurality of exhaust ports are arranged on the inner wall of the storage box body, a connecting plate is slidably connected to the inner wall of the storage box body, and a mounting frame is fixedly connected to the outer wall of the storage box body. A protection mechanism is arranged on the outer wall of the connecting plate, the protection mechanism comprises a telescopic rod, the outer wall of the connecting plate and the inner wall of the storage box are fixedly connected with the outer wall of the telescopic rod, and when the device needs to be used, eggs are placed in a placing plate, then the placing plate is placed in a supporting frame, a draught fan is started, and the eggs are placed in the storage box; a fan rotates to generate wind power to blow air to the inner wall of the storage box, the eggs are kept dry, a dustproof plate can protect the eggs in the ventilation process of the inner wall of the storage box, and the situation that when the storage box is impacted by external force, a placing plate for storing the eggs shakes and impacts the inner wall of the storage box, and consequently the eggs are damaged is prevented.

The application provides a combustion chamber flame tube cooling wall surface structure and a flame tube, which are integrated by impingement cooling and mixing, and overcome the problem of uneven temperature distribution of the existing flame tube wall surface. The combustion chamber flame tube cooling wall surface structure comprises an impingement hole wall and an inner layer wall, an annular air passage is arranged between the impingement hole wall and the inner layer wall, the impingement hole wall and the inner layer wall are connected through an air film ring, an air film cooling ring slot groove is formed at the tail of the flame tube, the air film ring is provided with air film cooling holes, vertical first diameter holes are arranged on the impingement hole wall to form vertical impingement jets, the diameter of the first diameter holes is less than a first preset value, and main combustion holes and mixing holes are arranged on the inner layer wall. The application improves the traditional flame tube cooling structure, makes the air of the cooling wall surface participate in the mixing organization of the combustion chamber, and greatly reduces the amount of cooling air under the condition of ensuring the cooling effect.

The shell assembly comprises a shell, an air duct and an air outlet communicated with the air duct are formed in the shell, a limiting groove used for installing a driving shutter is formed in the inner wall of the end, close to the air outlet, of the air duct, and the driving shutter is arranged in the limiting groove. A limiting groove is formed in the air duct, a shaft hole which penetrates through the bottom wall of the limiting groove and is used for a rotating shaft to penetrate through is formed in the limiting groove, a protruding blocking rib is formed on the inner wall of the air duct, and the blocking rib is located on the circumferential edge of the windward side of the limiting groove and extends in the circumferential direction of the limiting groove. According to the shell assembly, the air volume of cold air flowing into the limiting groove can be effectively reduced during refrigeration of the air conditioner indoor unit, so that the air volume of the cold air flowing into the shaft hole in the bottom wall of the limiting groove is effectively reduced, condensed water beads can be prevented from being generated on the driving motor, short-circuit failure of the driving motor is prevented, the fault rate can be effectively reduced, and the service life of the air conditioner indoor unit is prolonged. And the stability and reliability are improved.

The invention relates to a water and air separation device (100) comprising: an intake section (10) having an intake opening (11); a guiding section (20) comprising a housing (24), a separation chamber (40), an inlet (21), a plurality of guiding channels (12) for transporting a white water spray into the separation chamber, a liquid outlet (22), a gas outlet (23), and wherein the guiding section (20) further comprises a first separation plate (41) arranged to divide the separation chamber (40) into a first section (A) and a second section (B), thereby forming a connection passage (46) for allowing white water to enter into the second section (B) below the first separation plate (41) and thereby separate the white water from the air of the white water spray.

This application relates to a steam turbine generator, specifically within the technical field of generators. The generator includes a steam turbine generator body, with an exhaust fan mounted at one end and an induced draft fan at the other end. An air inlet pipe is connected to the induced draft fan and passes through the side wall of the steam turbine generator body casing. Multiple air outlet pipes are fixedly connected to and connected to the air inlet pipe. The outlet ends of the air outlet pipes pass through the side wall of the steam turbine generator body and are located within the steam turbine generator body. Multiple branch air pipes are fixedly connected to the arc-shaped side wall of the air outlet pipes, with the branch air pipes facing inwards towards the interior of the steam turbine generator body. A water-cooling assembly is located in the middle section of the steam turbine generator body. This application improves the power generation efficiency of the steam turbine generator.

The utility model provides a kind of heat exchanger assembly and air conditioner, wherein, heat exchanger assembly includes shunt and two or more heat exchangers, shunt is used to shunt the air of the first side of heat exchanger assembly to each heat exchanger;Shunt is movable, to adjust the air volume shunted into each heat exchanger.When the heat exchanger assembly of the utility model is applied to air conditioner, the first side of heat exchanger assembly can be set as windward side when air conditioner is in heating operation.Due to shunt, the air volume shunted into each heat exchanger can be adjusted by moving, when air conditioner is in heating operation, and there is temperature difference in each heat exchanger of heat exchanger assembly, shunt can be moved, the air volume shunted into high-temperature heat exchanger is increased, and the air volume shunted into low-temperature heat exchanger is reduced, so it is beneficial to make the airflow temperature consistent after each heat exchanger heat exchange, to improve the uniformity of each heat exchanger outlet air temperature, improve the comfort and experience of user use.

The application discloses a device for producing pellets by using low-calorific-value gas, which comprises a blast drying section, an exhaust drying section, a preheating section, a baking section, a soaking section and a cooling section which are sequentially and separately arranged, the cooling section is divided into a first cooling section, a second cooling section and a third cooling section which are sequentially arranged, the first cooling section is arranged close to the soaking section, waste gas of the soaking section is communicated with a first air bellow of the first cooling section through a first pipeline, the first air bellow is communicated with a cooling pipeline, hot air of the first cooling section flows to the baking section and the soaking section, the baking section is provided with a first low-calorific-value fuel burner, and an air-fuel ratio of the first low-calorific-value fuel burner is 4-7. The device for producing pellets by using low-calorific-value gas can realize high-temperature baking and solidification of the pellets by using low-calorific-value fuel, and the processing cost of the pellets is reduced. The application further provides a method for producing pellets by using low-calorific-value gas.

The utility model provides a kind of air conditioner outdoor unit, belong to air conditioning technical field.The bottom plate of air conditioner outdoor unit case under use state is provided with several case sand leakage hole;Sand receiving tray is detachably installed on the bottom plate under use state of case, and is located in the lower part of case sand leakage hole.When outdoor unit is used under the outdoor condition of serious wind sand, sand and stone entering air conditioner outdoor unit leak to sand receiving tray through the sand leakage hole in the bottom of case.When sand receiving tray stores more sand, sand receiving tray can be detached to discharge sand and remove sand stone.The air conditioner outdoor unit provided by the utility model can solve the problem that internal components of existing machine are damaged due to sand accumulation, improve the reliability of the product, prolong the service life of the machine and reduce the failure rate of the equipment.

This invention belongs to the field of prefabricated housing technology, specifically disclosing a prefabricated house. The prefabricated house provided by this invention uses multiple side panels spliced ​​together to form the house's side walls. Each side panel includes a limiting protrusion and a limiting groove. When wind blows towards the house's side walls, by conformally setting the limiting protrusion and limiting groove, after the limiting protrusion of any side panel inserts into the limiting groove of the adjacent side panel, the amount of air entering the house from the side walls can be reduced. Compared to existing solutions, this improves the sealing performance of the house's side walls, thereby enhancing the overall thermal insulation effect of the house.

This utility model discloses a hydraulic control console for an underwater pelletizer, relating to the technical field of underwater pelletizers. It includes a fixed base and a cooling enhancement mechanism. The cooling enhancement mechanism is fixedly connected to one side of the fixed base. The cooling enhancement mechanism includes a guide fan fixedly connected to one side of the fixed base, and an airflow regulating plate rotatably connected to the top of the guide fan. Cooling fins are provided on the top of the guide fan, and a power interface is provided on one side of the guide fan. The cooling fins are closely arranged on the outside of the die assembly to increase the heat dissipation area. The guide fan is located directly below the cooling fins, and the airflow regulating plate adjusts the airflow of the guide fan. Compared with existing ordinary hydraulic control consoles, this underwater pelletizer hydraulic control console enhances the cooling effect, ensures that cutting operates at a suitable temperature, improves the performance of hydraulic components and equipment stability, effectively intercepts impurities, prevents impurities from clogging pipelines, and reduces equipment failures.

The invention belongs to the technical field of air conditioners, and particularly relates to a low-noise central air conditioner which comprises a fan coil, a noise reduction box is arranged outside the fan coil and used for isolating noise generated by the fan coil, the fan coil comprises a box body, an air inlet is formed in one end of the box body, and an air outlet is formed in the other end of the box body. An air blowing assembly, a first noise reduction mechanism, a second noise reduction mechanism and a heat exchanger are sequentially arranged in the box body, and the air blowing assembly is configured to form directional airflow; the directional airflow is subjected to two-stage noise reduction treatment through the first noise reduction mechanism and the second noise reduction mechanism in sequence, then exchanges heat with the heat exchanger and is finally blown out from the air outlet; the first noise reduction mechanism comprises a first shell, two spoiler sets are arranged in the first shell, the spoiler sets are in transmission fit with driving parts, the driving parts are electrically connected with a microcontroller, and the microcontroller controls the inclination angles of the spoiler sets according to the air volume of the directional airflow so as to reduce the air noise. And two-stage progressive processing of noise is achieved, and the noise reduction effect is good.

The invention relates to a nitrogen oxide cooperative control system for a deep peak regulation working condition of a coal-fired power plant boiler, and the system comprises a connection module which is used for connecting the two ends of a bypass pipeline of a recirculation bypass subsystem to an outlet of an air feeder and an inlet of the air feeder respectively; the adjusting module is used for controlling a bypass adjusting baffle arranged on a bypass pipeline to be opened when it is detected that the coal-fired power plant boiler is in the deep peak regulation working condition so as to adjust the air volume flowing through the bypass pipeline; the cooperative control module is used for guiding air back to an inlet of the air feeder from an outlet of the air feeder through a bypass pipeline and cooperatively controlling a secondary air combination mode of the combustor, the opening degree and the swing angle of the separated type over-fire air and a running combination mode of the coal mill, so that the coal mill runs under the preset air volume condition; and controlling the nitrogen oxide concentration in an interval range meeting a preset optimal condition. According to the embodiment of the invention, stable and ultralow emission of NOx can be realized within a wide load range, especially under a deep peak regulation working condition.

The invention relates to the technical field of electrical cabinet heat dissipation, in particular to an air-cooled converter and a power module uniform-temperature heat dissipation structure thereof. The power module uniform-temperature heat dissipation structure of the air-cooled converter comprises a fan compartment, a fan installation structure is arranged in the fan compartment, and the fan compartment is provided with a connecting wall used for being connected with a three-phase power module. The connecting wall is provided with two side air outlets correspondingly communicated with the internal air ducts of the two side-phase power modules and a middle air outlet correspondingly communicated with the internal air duct of the middle-phase power module, and the upstream of the side air outlets in the fan compartment is provided with a spoiler; the spoiler is provided with an air guide face used for guiding a part of air passing through the spoiler to face the middle air outlet and an air passing space allowing a part of air passing through the spoiler to face the corresponding side air outlets. Uniform distribution of the air volume is facilitated, the air inlet volume of the mutually independent three-phase power module air channels is adjusted, and the uniformity of the heat dissipation effect is improved.

The invention discloses a bidirectional cross-flow washing and air-drying vertical filter press and a working method thereof, and belongs to the technical field of vertical filter presses. Aiming at the defects of poor working condition adaptability, low effective thickness of a filter cake, non-uniform washing and air-drying effects, high energy consumption and maintenance cost and the like of the traditional vertical filter press adopting a single-layer filter cloth and rubber diaphragm structure, the invention cancels a rubber diaphragm, adopts a diaphragm-free structure in which the filter cake is clamped by double-layer filter cloth, and designs a bidirectional cross-flow washing and air-drying process in a matched manner; by switching the opening and closing states of the pneumatic valve group, washing water and compressed air respectively enter from the back surfaces of the two layers of filter cloth, pass through the filter cake in two directions and then are discharged. According to the invention, the effective thickness of the filter cake is increased, the productivity is synchronously improved, the washing effect and the air drying effect are improved under the same condition, the adaptability of the equipment to high-temperature, strong-acid and strong-alkali working conditions is enhanced, the manufacturing cost and the maintenance difficulty are reduced, online regeneration of the filter cloth can be realized, and the device is suitable for solid-liquid separation treatment of various materials.

The utility model provides an automatic control charcoal oven which comprises an oven body, an oven pipe and a control box assembly, a containing space for containing food is arranged in the oven body, the inner bottom of the containing space is sunken downwards to form an oven pipe containing groove, the oven pipe is contained in the oven pipe containing groove, a first air inlet is formed in one side of the oven pipe, and a second air inlet is formed in the other side of the oven pipe. A second air inlet is formed in one side of the furnace pipe containing groove, the first air inlet communicates with the second air inlet through the space in the furnace pipe containing groove, and the control box assembly is installed on one side of the furnace body. The control box assembly comprises a control box body, a control panel, a fan, a temperature probe and an air inlet pipe, the control panel is arranged on one side of the control box body and then electrically connected with the fan and the temperature probe through power lines, one end of the air inlet pipe is installed at the second air inlet, and the other end of the air inlet pipe communicates with the control box body. The fan is arranged in the control box body and then installed at an opening in the other end of the air inlet pipe, the temperature probe is installed in the furnace body, and the control box assembly controls the temperature in the furnace body.

This invention relates to the field of welding fume purification technology, and discloses a welding fume purification system and method for memory module manufacturing. The welding fume purification system for memory module manufacturing includes a welding equipment body with several suction hoods symmetrically distributed on the body. A horizontal pipe is connected to the outlet of each suction hood, and a first vertical pipe is located at the bottom of the horizontal pipe. This welding fume purification system for memory module manufacturing extends the residence time of the fume in the first vertical pipe through staggered diversion plates, allowing it to fully contact the cooled pipe wall and initially reduce the fume temperature. This significantly slows down the oxidation reaction rate between metal oxides and the filter cartridge substrate, reducing the degree of filter cartridge corrosion and extending its service life. Simultaneously, the stable low-temperature environment prevents the filter cartridge from failing to seal due to thermal expansion and contraction, ensuring filtration accuracy while effectively preventing secondary pollution caused by leakage of unfiltered fume.

The utility model relates to the technical field of internal combustion engines, in particular to a carburetor with an anti-explosion valve, which comprises a carburetor body, a floater chamber and a control air throttle, an air inlet pipe and a mixing chamber are arranged on the carburetor body, the control air throttle is arranged in the mixing chamber, the anti-explosion valve is further arranged on the air inlet pipe, and the floater chamber is arranged in the mixing chamber. The explosion-proof valve comprises a cover body, a diaphragm valve mechanism and a stop valve mechanism, a step-shaped containing groove is formed in the air inlet pipe, the cover body covers the containing groove to form an outer side containing cavity and an inner side containing cavity, the diaphragm valve mechanism is arranged in the outer side containing cavity, the stop valve mechanism is arranged in the inner side containing cavity, and the diaphragm valve mechanism is arranged in the inner side containing cavity. The diaphragm valve mechanism can push the stop valve mechanism to be opened and closed, and the air inlet pipe is provided with an air inlet and an air outlet which correspond to the anti-explosion valve, so that when the throttle valve is closed rapidly, the carburetor reduces the air amount, and the phenomenon that an exhaust pipe blasts due to the fact that mixed gas of an engine becomes thin is avoided.

This utility model relates to the field of aeration blower airflow regulation equipment, and discloses an airflow regulation mechanism for an aeration blower, including a centrifugal blower. A support base is fixedly connected to the bottom of the centrifugal blower. An air inlet pipe is fixedly connected to the input end of the centrifugal blower, and an air outlet pipe is fixedly connected to the output end of the centrifugal blower. An outer frame is fixedly connected to the inside of the right end of the air outlet pipe, and support plates are fixedly connected to the front and rear side walls of the outer frame. This utility model, through its outer frame, first bearing, and first support rod, can solve problems such as insufficient or excessive airflow, airflow fluctuations or instability, increased system costs, and inability to flexibly cope with different operating conditions. The first baffle on the first rotating rod also rotates under the action of the first push rod and the first support rod, thereby effectively reducing airflow fluctuations, ensuring system stability, improving aeration effect, reducing energy consumption, and improving system efficiency.

The utility model discloses a dehumidification drying device relates to material dehumidification technical field. Dehumidification drying device includes dehumidification part and air inlet subassembly, dehumidification part includes mounting plate, compressor, condenser, throttle valve and dehumidification evaporimeter, and the both sides end of condenser and dehumidification evaporimeter respectively with two mounting plates abut, the upper portion of two mounting plates, the upper portion of condenser and the upper portion of dehumidification evaporimeter are limited to form and have the air inlet, and the air valve can make the cover plate close and open the air inlet. Start the fan can make air from the second pass -through mouth enter to the first pass -through mouth, and then flow through the fan place and export, and the cover plate is driven to rotate through the air valve, on one hand can increase the air volume through condenser, improve the heat dissipation effect of condenser, reduce the temperature when compressor works, on the other hand can reduce the air volume through dehumidification evaporimeter, make dehumidification evaporimeter be in lower temperature dehumidification, and the air valve makes dehumidification drying device can adapt to higher ambient temperature.

The utility model discloses a kind of air preheater unblocking systems, including rotary air preheater, inlet flue, outlet flue, primary fan and connected primary air inlet air duct, primary air outlet air duct, secondary fan and connected secondary air inlet air duct, secondary air outlet air duct;Its characterized in that: secondary air inlet air duct and secondary air outlet air duct are connected by secondary air bypass air duct, and damper adjusting baffle and pressure transmitter are equipped on secondary air bypass air duct;The utility model controls the metal wall temperature of air preheater by adjusting the secondary air volume entering air preheater, can completely solve the problem of ammonium bisulfate blockage, and greatly reduce the maintenance workload of unit and additional energy consumption, with the advantage of good economy.

The utility model relates to a ventilation equipment technical field, concretely is a kind of ventilation device, the air volume of air outlet is adjustable, including pipeline, fan and adjusting device, fan is fixedly installed in one end of pipeline, adjusting device is set on the surface of pipeline, adjusting device includes slide plate, slide plate is slidably connected with pipeline, the upper surface of slide plate is fixedly connected with card frame, the upper surface of pipeline is rotatably connected with rocker, the side of pipeline close to rocker is fixedly connected with motor, the driving end of motor is fixedly connected with rocker, the upper surface of slide plate is fixedly connected with drawstring, the upper surface of pipeline is fixedly connected with fender, drawstring is in contact with fender, the utility model, motor drives rocker and the linkage of drawstring, spring, realize the automation of pipeline air outlet, accurately regulate air volume, satisfy different working condition demand, need not manual operation, simplify air volume regulation process, improve use convenience, improve ventilation system operating efficiency, reduce energy consumption.