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49results about How to "Improved air distribution" patented technology

Industrial computer host integrating dustproof and heat dissipation functions

The invention discloses an industrial computer host integrating dust prevention and heat dissipation functions, and relates to the technical field of industrial computer host heat dissipation, the industrial computer host comprises a host body, a machine cover is fixedly connected to the host body, an air inlet frame is fixedly connected to the machine cover, symmetrically distributed filter plates are slidably connected in the air inlet frame, and a cooling box is fixedly connected in the machine cover; symmetrically-distributed cooling fans are mounted on the bottom wall of the cooling box, and uniformly-distributed first blocking frames are slidably connected into the cooling box. The cooling fan can automatically form an airflow passage during working through the first blocking frame, the arc-shaped groove and the protruding frame, meanwhile, external dust is prevented from entering the case along the rectangular air outlet of the cooling box, airflow distribution in the case is optimized by regularly changing the position of the air inlet through cooperation of the electromagnet and the first magnetic block, and the cooling efficiency is improved. Therefore, the heat dissipation efficiency is improved.
Owner:SHENZHEN YINGCHI TECH DEV CO LTD

Evaporative liquid cooling constant temperature cabinet for lithium battery charging and discharging test

The invention discloses an evaporative liquid cooling constant temperature cabinet for lithium battery charging and discharging test, and belongs to the technical field of lithium battery test constant temperature cabinets. An evaporative liquid cooling constant temperature cabinet for lithium battery charge and discharge test comprises a cabinet body and a cooling-water machine, a second cross-flow fan is arranged on the inner wall of a cavity, an evaporation assembly is arranged in the cavity, a plurality of liquid cooling assemblies are arranged on the inner wall of the right side of a mounting frame, and each liquid cooling assembly comprises a condensate water collecting plate. The top of each condensate water collecting plate is provided with a first liquid cooling plate heat exchanger and a second liquid cooling plate heat exchanger, the top of each first liquid cooling plate heat exchanger and the top of each second liquid cooling plate heat exchanger are provided with a battery pack, and the cold plate type liquid cooling system is combined with the air cooling system, so that rapid cooling and accurate temperature control of the battery packs can be achieved; through combination of the evaporation cotton evaporation system and the ultrasonic atomization device, timely and rapid evaporation of condensed water can be realized, the cooling capacity of the liquid cooling plate is fully utilized, air in the cabinet is rapidly cooled, and the fins can be cleaned.
Owner:ANHUI ZHONGKE XINYUAN SEMICON TECH CO LTD

Anti-blocking device for mud-containing liquid compressed air aeration pipe

The utility model provides an anti-blocking device for a mud-containing liquid compressed air aeration pipe, which comprises an air cap and a needle-shaped anti-blocking device, the air cap is arranged at an air distribution hole on an air distribution pipe of a reaction tank, the air cap covers the outside of the air distribution hole, and the needle-shaped anti-blocking device penetrates through the air distribution hole and is arranged inside the air cap. An exhaust hole array is arranged in the air cap, and the needle-shaped anti-blocking device is driven by air flow to generate irregular motion in the aeration process. The needle-shaped anti-blocking device is driven by airflow to move irregularly in the aeration process, so that sludge and sediments in the air distribution holes are automatically scraped, blockage is avoided, and the manual cleaning frequency is reduced. Air flow distribution is optimized through exhaust holes of the air caps, it is ensured that compressed air evenly enters liquid, and the oxidation reaction or sewage treatment efficiency is improved. The movement of the anti-blocking device does not influence the original gas speed and gas flow, and a stable aeration effect is maintained.
Owner:SHANGHAI BAOAO IND TECH SERVICE CO LTD

Adsorption column experimental device

The embodiment of the invention provides an adsorption column experimental device. The adsorption column experimental device comprises a shell assembly and a sieve plate, the shell assembly is provided with a containing space, an air inlet channel and an air outlet. The sieve plate is arranged in the accommodating space so as to divide the accommodating space into an adsorption cavity and an overflowing cavity; the air inlet channel is communicated with the overflowing cavity, the air outlet is communicated with the adsorption cavity, so that an air flow path which passes through the overflowing cavity and the adsorption cavity in sequence from the air inlet channel to the air outlet is formed, and at least the position where the air inlet channel is communicated with the overflowing cavity is located on the side, close to the adsorption cavity, of the overflowing cavity. According to the adsorption column experimental device, airflow distribution in the accommodating space can be improved, so that the utilization rate of an adsorbent is increased.
Owner:CHINA INSTITUTE OF ATOMIC ENERGY

A method and device for rapid cooling of metal and alloy powder prepared by gas atomization

The present application relates to the technical field of powder metallurgy, and discloses a method and device for rapid cooling of metal and alloy powder prepared by gas atomization, the method comprising the following steps: S1, smelting a metal or alloy melt in a smelting chamber, to be melted into a metal or alloy liquid that meets the process requirements, entering an atomizing device through a heat-resistant and metal and alloy liquid corrosion-resistant liquid guide tube, and the metal or alloy liquid flowing through the atomizing device is under the action of a sonic inert gas; the device comprises a smelting chamber, an atomizing chamber and an atomizing device, the smelting chamber is arranged above the atomizing device and connected by a guide tube, the atomizing device is installed above the atomizing chamber, and the atomizing device is connected to the atomizing chamber. The present invention is connected to the atomizing chamber through a lower powder pipe to achieve smooth transportation of metal and alloy powders, and the wind-powder mixing channel connects the extension channel and the expansion channel to form a gradually contracting and gradually expanding airflow channel design, which helps to enhance the mixing and cooling efficiency of airflow and powder.
Owner:HUNAN JINHAO ALUMINUM IND

An open sintering furnace for DCB copper-clad ceramic substrate

The present invention discloses an open sintering furnace for a DCB copper-clad ceramic substrate, belonging to the technical field of sintering furnaces, comprising a main sintering unit, both sides of the main sintering unit are fixedly connected with auxiliary sintering units, the main sintering unit and the auxiliary sintering unit each comprise three adjustable sintering furnace bodies, both sides of the main sintering unit are provided with combined airflow plates, a three-dimensional airflow control mechanism is provided in the adjustable sintering furnace body, and a temperature control regulating mechanism is provided in the main sintering unit. The present invention sets a three-dimensional airflow control mechanism, and the adjustable vertical air regulating plates and horizontal air regulating plates can help optimize the airflow distribution in the furnace, ensure that the heat is more evenly distributed on the product, and can also accelerate the heat transfer process. By setting a temperature control regulating mechanism, the airflow velocity in the device can be effectively adjusted, so that when facing different temperature stages, the device can fully adapt.
Owner:ANHUI TAOXINKE SEMICON NEW MATERIALS CO LTD

Positive-pressure dust-containing gas purification equipment

The invention discloses positive pressure dust-containing gas purification equipment (100), and belongs to the technical field of air pollution control. The purification device (100) comprises: a frame (10); the cyclone device (20) is arranged on one side of the frame (10) and is provided with an air inlet (21); the settling chamber (30) is arranged to be communicated with the cyclone device (20); the purification chamber (40) is arranged on the other side of the frame (10) and is communicated with the settling chamber (30); and the collecting and extruding device (50) is arranged at the lower end of the frame (10), is communicated with at least one lower end (23, 34 and 44) of the cyclone device (20), the settling chamber (30) and the purifying chamber (40), and is used for extruding and collecting the collected dust. Dusty gas enters the cyclone device (20) from the gas inlet (21), at least one part of dust in the gas is removed through the cyclone device (20), at least one part of dust in the settling chamber (30) is settled under the action of inertia force carried by the dusty gas through collision, enters the purification chamber (40) for purification treatment, and then flows out from the outlet (43) of the purification chamber (40). By adopting a positive pressure air supply mode, the airflow distribution in the purification equipment (100) is improved, and the dust removal efficiency is improved.
Owner:SUZHOU UNIV OF SCI & TECH

Medium and heavy commercial vehicle wind tunnel test platform and test method thereof

The invention discloses a medium and heavy commercial vehicle wind tunnel test platform and a test method thereof, the test platform comprises a test table top, a test bench and a bottom wind shielding member, the test table top and the bottom wind shielding member are installed on the test bench, and an accommodating space is formed between the test table top and the bottom wind shielding member; the guide rail is installed on the test bed and located in the containing space, and the force measuring device is movably installed on the guide rail and configured to be capable of moving on the guide rail to adapt to vehicle models of different specifications; the flow guide device is arranged on one side, close to the test bench, of the test table board, one side edge of the flow guide device is connected with one side edge of the test table board, and the other opposite side edge of the flow guide device is connected with the bottom wind shielding piece. The force measuring device is positioned in the accommodating space, so that the force measuring device is prevented from being exposed in a wind tunnel flow field, and the force measuring precision of the force measuring device is ensured; the force measuring device is movably mounted on the guide rail, so that the universality of the test platform is improved; the flow guiding device optimizes airflow distribution and ensures the accuracy of wind tunnel testing.
Owner:CHINA AUTOMOTIVE ENG RES INST

Air flow optimization device for a spinning cup of an air spinning machine

ActiveCN224494442UImproved air distributionImprove stabilityYarnFiber
The utility model relates to air flow optimization technical field, and disclose the spinning cup air flow optimization device of air flow spinning machine, including spinning cup, the bottom of spinning cup is provided with the base, the inside of spinning cup is close to the top and is provided with the air intake adjusting assembly, the inside of spinning cup is close to the bottom and is provided with the air flow steady pressure subassembly. The spinning cup air flow optimization device of air flow spinning machine, through being provided with air intake adjusting assembly, can adjust the angle of louver blade, the turning angle of adjacent upper and lower two layers louver blade is mutually complementary and is set up, when needing to increase the air flow intensity, the blade is adjusted to the larger inclination angle, increases the air intake amount, if wants to optimize the air flow stability, then adjusts the blade angle and makes the air flow more gently enter the spinning cup, to adapt to different fibre raw material and spinning process demand, makes the spinning cup inside can set up the air flow adjusting part, can improve the air flow distribution and stability in the spinning cup, the quality and yield of yarn are high.
Owner:JIANGSU TIANZHANG HEALTH & MEDICAL NEW MATERIALS CO LTD

Array P-GaN island terminal structure for GaN-SBD

The utility model provides an array P-GaN island terminal structure used for a GaN-SBD, which belongs to the technical field of chip packaging, comprises a P-GaN island, a heat conduction path and heat radiation fins, and is characterized in that the P-GaN island is fixedly connected with the heat conduction path, the heat conduction path is fixedly connected with the heat radiation fins, and the heat radiation fins are fixedly connected with the P-GaN island. The heat dissipation fins are vertically distributed on the surface of the heat conduction path, the heat dissipation fins comprise first heat dissipation fins and second heat dissipation fins, the bottoms of the first heat dissipation fins are fixedly connected with the heat conduction path, the tops of the first heat dissipation fins are fixedly connected with the second heat dissipation fins, and the sections of the first heat dissipation fins are arc-shaped; according to the utility model, the problem of heat dissipation of the P-GaN island terminal structure can be solved, and the P-GaN island terminal structure is prevented from being damaged due to over-high temperature of the P-GaN island terminal structure.
Owner:SUZHOU CHUANGXIN ZHISHANG MICROELECTRONICS CO LTD

A dry electrostatic precipitator with multi-zone coupling and high-efficiency dust removal

The present invention discloses a multi-zone coupled high-efficiency dust removal dry-type electrostatic precipitator, the dry-type electrostatic precipitator comprises an inlet horn, a cover body and an outlet horn, a plurality of electric fields are sequentially arranged inside the cover body, an anode plate and a cathode wire are arranged inside each electric field, dust collecting grids are arranged inside the inlet horn and the outlet horn, the dust collecting grids are formed by evenly arranged multiple groups of bent grids, multiple groups of bent grids are arranged along the flue gas direction, and the upper and lower ends of each group of grids are installed in the inlet horn and the outlet horn through a vibrating frame. The multi-zone coupled high-efficiency dust removal dry-type electrostatic precipitator of the present invention optimizes the existing electrode plates, electrode wires, inlet and outlet horn smoke boxes, flow fields and other aspects of the electrostatic precipitator, which can improve the capture efficiency of smoke, reduce secondary dust, and further reduce the smoke concentration at the outlet of the electrostatic precipitator; the multi-zone coupled high-efficiency dust removal dry-type electrostatic precipitator of the present invention has low investment, does not occupy space or occupies a small space, has low resistance, low energy consumption, and significant efficiency improvement effect.
Owner:GUODIAN ENVIRONMENTAL PROTECTION RES INST CO LTD

Cement loading and transporting dust removal device

The utility model relates to the technical field of cement loading and transporting, in particular to a dust removal device for cement loading and transporting. According to the technical scheme, the dust removal device for cement loading and transporting comprises a dust cover, a connector, a sleeve and a discharging pipe, the connector is arranged at the top end of the discharging pipe, the bottom end of the discharging pipe is inserted into the dust cover, the sleeve is arranged on the outer side of the discharging pipe, a cavity is formed between the discharging pipe and the sleeve, and the dust cover is arranged in the cavity. Guide plates are arranged in the cavity and located on the surfaces of the sleeve and the discharging pipe, a through hole is formed in the position, located in the sleeve, of the discharging pipe in a penetrating mode, and an air inlet pipe is arranged on one side of the sleeve. According to the utility model, the dust removal efficiency is improved, the energy consumption is reduced, the maintenance procedure is simplified, and the adaptability, the environmental protection property and the like are enhanced.
Owner:NANTONG CONCH CEMENT CO LTD

Air conditioner outdoor unit and air conditioner

The invention relates to the technical field of household appliances, particularly provides an air conditioner outdoor unit and an air conditioner, and aims to solve the problem of poor heat dissipation effect of a condenser. Therefore, the air conditioner outdoor unit comprises a machine shell, a condenser, an air supply device and an air outlet device, the condenser, the air supply device and the air outlet device are installed in the machine shell, the air supply device can supply air into the air outlet device, the air outlet device is provided with a plurality of jet flow openings arranged at intervals, the jet flow openings can blow air towards different positions of the condenser, and an air outlet is formed in the machine shell. And the air outlet is used for discharging the air flow after heat exchange with the condenser. The air flow direction is accurately controlled through the air outlet device, so that air can cover the surface of the condenser more evenly, it is ensured that each part of the condenser can be fully cooled, and therefore the heat dissipation effect of the condenser is effectively improved.
Owner:QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD +1

Multi-vane noise reducing blower fan blade

ActiveCN224380177UReduce separation noiseSuppress turbulencePump componentsMagnetic circuit characterised by magnetic materials
This utility model belongs to the field of fan blade technology and discloses a multi-blade noise-reducing blower fan blade, including: a fan blade assembly comprising 53 forward-curved fan blades evenly distributed along the circumference of a hub, with a motor mounting cavity at the center of the hub; the axial end face of the hub has several heat dissipation holes, arranged equidistantly along the circumference to form an annular heat dissipation channel; a motor assembly comprising a thickened silicon steel sheet frame, the silicon steel sheet thickness being 0.5-0.8mm; the ratio of the fan blade diameter D to the fan outer diameter D0 is 75%-78%; this utility model, by using 53 forward-curved fan blades with an optimized bending angle of 15°-25°, and a chord length ratio of the leading edge to the trailing edge of the blades of 1:0.8-1:0.9, effectively suppresses turbulence and eddy noise. An arc-shaped transition section with a transition radius R = 3-5mm is provided at the connection between the hub and the fan blades to reduce airflow separation noise.
Owner:GUANGDONG SHENGHUI TECHNOLOGY CO LTD

Energy-saving assembly type air conditioner

The invention relates to the technical field of air conditioners, in particular to an energy-saving assembly type air conditioner which comprises an assembly type air conditioner box frame, a first outer connecting base, a second outer connecting base, a first air inlet pipe, a second air inlet pipe, a third air inlet pipe, a fourth air inlet pipe, a fifth air inlet pipe and a sixth air inlet pipe. A strip-shaped air inlet seat and a third outer connecting seat are arranged on the inner wall of the other group of mounting grooves up and down respectively, folding plate frames are arranged on the inner walls of the two groups of mounting grooves respectively, and an integrated water-cooling energy storage module is arranged in the assembly type air conditioning cabinet frame; the heat exchange module, the ventilation module and the energy storage box module are arranged on the two folding plate frames in the unfolded state correspondingly. And the exhaust module abuts against the indoor wall body. The assembly type air conditioner is reasonable in structure, modular design is adopted for the assembly type air conditioner, all the assemblies are independently separated into independent modules according to functions and use conditions, the modules are connected and assembled through standardized connectors, the production and transportation process is simplified through the design, the installation and maintenance difficulty is greatly reduced, and the use effect is good.
Owner:JIANGSU TUCHUANG SMART ENERGY CO LTD

Stand column structure for brake parachute rocket sled with large load and large overturning moment

The invention provides a stand column structure for a brake parachute rocket sled with large load and large overturning moment. The stand column structure mainly solves the problem that an existing stand column structure formed by welding a supporting plate and a sealing plate cannot meet the requirement for the erection height of a large-load and large-overturning-moment brake parachute test. According to the scheme, a three-layer structure composed of a front stand column set, a middle stand column set and a rear stand column set is included, side rods are arranged between the layers for reinforcement, and a transverse rod and a vertical rod are arranged between the two measuring rods of the front stand column set and the rear stand column set and used for reinforcing the overall bearing capacity; a triangular flow structure is arranged on the windward side of the stand column structure. Compared with common stand columns, the number and distribution of the whole stand columns are increased, and the requirements for large loads and large overturning torque are met; meanwhile, a triangular rectification structure is additionally designed, so that the airflow field distribution of the skid body is optimized, and the aerodynamic resistance of the skid body is reduced.
Owner:CHINA NAT INST OF TEST & TESTING

Industrial fan

PendingCN121976970AImproved air distributionEasy to design installation anglePump componentsPump controlImpellerWeld seam
The invention discloses an industrial fan, belongs to the technical field of fans, and is designed for solving the problems that an existing fan is unreasonable in design and the like. The industrial fan comprises an impeller which comprises a sawtooth-shaped middle disc, the length of a flow channel of the impeller is larger than a set value, and the width of a steady flow area of the impeller is larger than a set value; at least two blades; the impeller and the blades which are assembled are arranged in the machine shell, and the molded line of the inner wall surface of the machine shell is matched with the airflow field of the impeller. The industrial fan comprises the impeller and the machine shell, the impeller comprises the sawtooth-shaped middle disc, airflow distribution at an outlet of the impeller can be improved, the installation angle of the blades can be conveniently designed, impact of gas on blade welding seams can be relieved, axial additional force generated by air pressure difference can be reduced, the service life of a bearing can be prolonged, and rotational inertia can be reduced. The inner wall surface molded line of the casing is matched with the airflow field of the impeller, so that the problem of large energy loss caused by turbulence of the flow field of the existing fan is solved, the flow field of the airflow reaches the optimal state, and the noise is reduced.
Owner:TONGFANG SMART ENERGY CO LTD +1

CO removal gas furnace with flow equalizer

The CO removal gas furnace comprises a CO removal gas furnace body, the CO removal gas furnace body sequentially comprises a gas inlet section, a CO removal section and a gas outlet section from top to bottom, a gas inlet pipe and the gas flow equalizer are arranged at the top of the gas inlet section, a filler layer is placed in the CO removal section, and a gas outlet pipe and supporting legs at the bottom are arranged on the gas outlet section. The device has the advantages of simple and reasonable structure, practicability, convenience and the like.
Owner:SHANGHAI EACO GASES CO LTD

Blower room air gallery and air purification device

The invention belongs to the technical field of air galleries of air blowers, and particularly relates to an air gallery of an air blower room and an air purification device. According to the technical scheme, the air gallery and air purification device of the air blower room comprises an air gallery body, an air inlet is formed in one end of the air gallery body, a plurality of air blowers are connected to the side face of the air gallery body, and a plurality of variable-angle guide vanes are installed in the air gallery body. An air purification unit and a variable cross-section unit used for shielding the air purification unit are arranged at an air inlet of the air gallery body. According to the air blower room air gallery and the air purification device provided by the invention, the working efficiency of the air blower is greatly improved and the service life of the air filtration device is prolonged through air pressure stabilization and multi-stage filtration.
Owner:CHINA MCC5 GROUP CORP LTD

Duct structure and hair dryer

ActiveCN224386959UIncrease coverage contact areaIncreased coverage contact areaHair dryingMechanicsBlow out
The application relates to a wind tube structure and a hair dryer, which comprises a wind tube shell; a first air duct is formed in the inside of the wind tube shell; a containing cavity is formed in the shell wall of the wind tube shell, at least part of the space of the containing cavity forms a second air duct; a guide air port is arranged in the shell wall of the wind tube shell, the guide air port is communicated with the second air duct; the first air duct and the guide air port are connected with a wind source; the first air duct is used for conveying a first part of airflow generated by the wind source; and the guide air port is used for guiding a second part of airflow generated by the wind source to enter the second air duct. According to the double-air-duct design of the first air duct and the second air duct, the airflow is branched, the airflow flow rate blown out by the first air duct is reduced, the impact force generated on the hair due to the too concentrated airflow is avoided, the damage problems such as the damage of hair scale and the splitting of hair caused by long-time use are prevented, the airflow distribution is optimized, the covering contact area of the airflow and the hair is increased, and the drying efficiency is remarkably improved.
Owner:DREAME TECH (SHANGHAI) CO LTD

Air duct baffle structure with uniform heating function

The utility model relates to the technical field of intelligent steaming and baking ovens, in particular to a uniform heating air duct baffle structure which comprises a box body, an inner chamber and a control cavity are arranged on the two sides of the interior of the box body respectively, the inner chamber is divided into a steaming and baking cavity and a heating cavity through an air duct baffle, and the air duct baffle is composed of a baffle body, a spray pipe, a spray box and a choke plate. Wherein the side, located in the steaming and baking cavity, of the baffle body is the front end, the upper side and the lower side of the baffle body are each provided with a connecting plate bent towards the front end, a ventilation hole is formed in the middle of the baffle body, and a plurality of air outlet holes are formed in the left side and the right side of the baffle body; the spraying box is located in the middle of the connecting plate above the front end of the baffle body, the whole spraying pipe is of an L-shaped structure, one end of the spraying pipe is inserted into the middle of the ventilation hole, the other end of the spraying pipe is located in front of the baffle body and connected with the spraying box, and the top of the spraying box is located above the connecting plate and sequentially connected with a choke plate and a water guide plate. And the choke plate is matched with the internal width of the heating cavity.
Owner:NOPEIN TECH (GUANGZHOU) CO LTD

Purification constant-temperature and constant-humidity direct expansion machine for laboratory

The purification constant-temperature and constant-humidity direct expansion machine comprises a humidity control section, a temperature control section and a fan section which are sequentially arranged from left to right, an air outlet is formed in the upper end face of the fan section, a motor and a fan are arranged in the fan section, a wind wheel is arranged in the fan, the wind wheel is connected with the motor through a belt, and the temperature control section is connected with the temperature control section. The motor and the fan are both arranged on the base, the base is connected with the inner wall of the box body of the fan section through a damper spring, the fan is connected with the air outlet, an electric heating plate, a refrigerating plate and a refrigerating cabin are arranged in a pipeline in the temperature control section, and the electric heating plate and the refrigerating plate are located on the same horizontal plane. A gap is reserved between the electric heating plate and the refrigeration plate, the refrigeration plate is connected with the refrigeration cabin, a pipeline of the temperature control section is connected with the humidity control section and the fan section, and the pipe diameter cross section area of the pipeline connecting the humidity control section and the fan section is larger than the pipe diameter cross section area of the middle of the pipeline.
Owner:HUITE SCI & TECH CO LTD

Kiln body structure with uniform heating temperature

The utility model relates to the field of mica roasting, in particular to a uniform-temperature heating kiln body structure which comprises an outer-layer kiln body structure, an inner-layer kiln body structure is arranged in the outer-layer kiln body structure and is divided into three sections, a kiln body is divided into a preheating section, a roasting section and a cooling section along the length, and the temperature of each section is independently controlled. The front side of the inner-layer kiln body structure is rotationally connected with a door plate, a curved heat conduction steel pipe is installed on the door plate, reserved heating openings are formed in the left side and the right side in the inner-layer kiln body structure, and a backflow opening is formed in the rear side of the inner-layer kiln body structure. According to the mica roasting furnace, the uniformity and energy efficiency of mica roasting are remarkably improved through segmented independent temperature control, arc-shaped flow guide heat circulation and a waste heat recovery system, and heat loss is reduced by adopting the silicon carbide refractory bricks and the stainless steel composite heat preservation layer.
Owner:JIANGXI JINZHI NEW ENERGY CO LTD

Smoke collection components and range hoods

The present application discloses a smoke collecting assembly and a range hood, belonging to the technical field of electrical equipment, wherein the smoke collecting assembly is applied to the range hood, the smoke collecting assembly includes a smoke collecting hood and a rectifying member, the smoke collecting hood has a smoke collecting chamber, an upper smoke inlet, a lower smoke inlet and a connecting port, the upper smoke inlet, the lower smoke inlet and the connecting port are all connected to the smoke collecting chamber, the upper smoke inlet is higher than the lower smoke inlet, and the connecting port is used to connect with the frame assembly of the range hood; the rectifying member is arranged in the smoke collecting chamber, and divides the smoke collecting chamber into a main air duct and an auxiliary air duct, the main air duct is connected to the lower smoke inlet, the auxiliary air duct is connected to the upper smoke inlet, and the rectifying member is at least partially rotatable relative to the smoke collecting hood, so that at least one of the auxiliary air duct and the main air duct is connected to the connecting port. At least part of the rectifying member of this embodiment is rotatable, which can adapt to different smoke extraction modes, so that the rectifying member can more effectively guide the flow of oil smoke, thereby improving the extraction efficiency.
Owner:FOSHAN SHUNDE MIDEA WASHING APPLIANCES MANUFACTURING CO LTD

Oxygen supply system and oxygen supply method for high-altitude tunnel construction

The invention relates to the technical field of tunnel construction, and particularly discloses an oxygen supply system and an oxygen supply method for high-altitude tunnel construction. The device comprises an air curtain generating device, the air curtain generating device comprises a fan and an air curtain jet pipe and further comprises a movable adjusting support arranged below the fan and the air curtain jet pipe, an air inlet is formed in one end of the air curtain jet pipe, the fan is arranged at the air inlet of the air curtain jet pipe, and the fan and the air curtain jet pipe are matched to generate an air curtain. The air curtain divides the tunnel into an upper part and a lower part, an isolation area is arranged above the air curtain, a press-in type air pipe is arranged in the isolation area along the tunnel, an outlet of the press-in type air pipe is located near a tunnel face, a breathing area is arranged below the air curtain, an oxygen supply pipeline is arranged in the breathing area along the bottom of the tunnel, an outlet of the oxygen supply pipeline is located near the tunnel face, and an oxygen generator is arranged at an inlet of the oxygen supply pipeline. An air curtain generated by the air curtain generating device divides the tunnel into an isolation area located above the air curtain and a breathing area located below the air curtain, the oxygen supply effect is improved, the oxygen supply cost is reduced, poisonous and harmful gas, dust and the like can be discharged out of the tunnel through the isolation area along with fresh air flow pressed into the end of the press-in type air pipe, and the ventilation effect is improved. And the original press-in ventilation effect is improved.
Owner:CHINA RAILWAY NO10 ENGINEERING GROUP THIRD CONSTRUCTION CO LTD +1

Boiler with flue gas treatment function

The invention discloses a boiler with a flue gas treatment function, and relates to the technical field of production, research and development of boiler equipment.The boiler comprises a boiler body of a cylindrical cavity structure, and one side of the top end of the boiler body is communicated with an exhaust pipeline used for exhausting treated flue gas into the atmosphere in a penetrating mode; the other side of the top end of the boiler body is communicated with a heat exchange pipe used for effectively exchanging hot steam in the boiler body and a medium needing to be heated in a penetrating mode, and the axis of the top end of the boiler body is communicated with an air inlet pipe used for introducing enough oxygen to support the combustion process in a penetrating mode. Medicament circulating mechanisms are arranged on the two sides of the interior of the boiler body, a flow guide hub mechanism is arranged at the upper end of the combustion chamber, a gas gathering cage mechanism is arranged at the top end of the combustion chamber, and the gas gathering cage mechanism can effectively gather and guide smoke through mutual cooperation of a cage and a communicating ball shaft. And the flue gas can be quickly collected after being generated.
Owner:YANGZHOU ZHONGZHOU NEW ENERGY TECHNOLOGY CO LTD

Computer CPU protection device

The utility model discloses a computer CPU (central processing unit) protection device, which belongs to the technical field of CPU protection, and is characterized in that a double-layer protection structure provides physical impact protection, a top pressure spring buffers vibration impact, a CPU is prevented from being damaged by mechanical stress, insufficient soldering of CPU pins is avoided, and the service life of hardware is prolonged. The computer CPU protection device comprises a first protection cover and a second protection cover, a first fixing lug is installed at the top of the first protection cover, a protection cavity is formed in the first protection cover and the first fixing lug, a CPU body is installed in the protection cavity, and a penetrating opening allowing the top of the CPU body to penetrate through is formed in the top of the first fixing lug; a mounting frame is arranged at the position, corresponding to the outer edge of the penetrating opening, of the top of the second protective cover in a protruding mode, a vapor chamber is mounted at the position of the mounting frame, a heat dissipation cavity is formed in the vapor chamber, a flow guide plate is mounted in the heat dissipation cavity, and a heat dissipation fan for assisting heat dissipation is mounted at the top of the vapor chamber.
Owner:ZHANGYE ZHONGQI TIMES INFORMATION TECH CO LTD

A high-temperature high-dust-containing flue gas purification device

This invention discloses a high-temperature, high-dust-content flue gas purification device, relating to the field of flue gas purification technology. The device includes an adjustable purification structure comprising multiple ceramic filter elements. SCR catalyst components are coated on the surface of each ceramic filter element. A swirling ammonia injection grille is installed at the inlet end of each ceramic filter element. An attitude adjustment mechanism is connected to the purification structure. A PLC control system is electrically connected to the attitude adjustment mechanism, which controls the ceramic filter elements of the purification structure to switch between vertical, inclined, and parallel settings. In the vertical setting, flue gas passes through the filter element in a straight line from top to bottom or bottom to top. In the inclined setting, flue gas passes through obliquely, forming a "Z"-shaped path. In the horizontal setting, flue gas flows laterally through the filter element, and particulate matter is deposited downwards under gravity. This invention solves the problem of low removal efficiency of fine particulate matter, achieving highly efficient purification of high-temperature, high-dust-content flue gas, and is particularly suitable for treating high-emission flue gas under complex operating conditions.
Owner:PANZHIHUA IRON & STEEL RES INST OF PANGANG GROUP

Gas separation membrane module

The invention belongs to the technical field of gas separation, and particularly discloses a gas separation membrane module. The module comprises a shell assembly, a plurality of gas inlet joints, a trapped gas outlet pipe and a permeated gas outlet pipe, the shell assembly is a cylindrical hollow shell, the interior of the shell assembly is divided into at least three independent channels in the axial direction, and a plurality of turbulent flow protrusions are arranged on the inner wall of each channel. Inclined air inlet holes which are in one-to-one correspondence with the channels and are connected and communicated with the air inlet joint are formed in one end of the side wall of the shell; the other end of the side wall is provided with a trapped gas outlet hole which is correspondingly connected and communicated with the trapped gas outlet pipe; a permeable gas gathering hole is formed in the head of one end of the shell and is communicated with a permeable gas outlet pipe. The module adopts a cross-flow multi-channel shell, is reasonable in structural design, can realize uniform distribution of airflow, remarkably reduces airflow dead zones among membrane filament bundles, and improves the effective utilization rate and mass transfer efficiency of membrane filaments. The device is suitable for various efficient and stable gas separation scenes such as industrial gas separation, natural gas purification, fuel cell tail gas treatment, chemical tail gas recovery and biogas purification.
Owner:ZHEJIANG QIANFENG NEW MATERIALS CO LTD