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16results about How to "Reduce bring in" patented technology

Equipment for preparing hydrogen from biomass, method for preparing hydrogen from biomass and application

The invention relates to the technical field of hydrogen production, in particular to equipment for preparing hydrogen from biomass, a method for preparing hydrogen from biomass and application. The equipment comprises a biomass pretreatment system and a chemical-looping hydrogen production system, wherein the biomass pretreatment system comprises a drying unit, a crushing unit and a granulating unit; the chemical-looping hydrogen production system comprises a biomass hydrogen production reduction reactor, a hydrogen purification device and a dust remover; the dust remover is connected with a regeneration storage tank and an air oxidation reactor; the air oxidation reactor is connected with the biomass hydrogen production reduction reactor; the granulating unit is connected with the biomass hydrogen production reduction reactor; a first heat exchanger is arranged between a synthesis gas outlet of the biomass hydrogen production reduction reactor and the hydrogen purification device, and a water vapor outlet of the first heat exchanger is connected with the biomass hydrogen production reduction reactor; and an oxygen-poor waste gas outlet of the air oxidation reactor is connected with the drying unit. The equipment is simple in structure, waste heat is fully utilized, energy consumption is reduced, hydrogen purity and yield are improved, and carbon dioxide is captured.
Owner:CHINA SCI GRP HLDG

A bidirectional valve and explosion-proof valve

ActiveCN224742999UReduce carryoverHigh precision
This utility model relates to the field of valve technology, and in particular to a two-way valve and an explosion-proof valve. The two-way valve provided by this utility model includes a housing and a fixed base forming an air exchange channel, and a first movable member and a second movable member. At least a portion of the first movable member passes through the second movable member and extends into the fixed base. The first movable member is axially movable relative to the second movable member and the fixed base. When the first movable member moves in a first direction, the air outlet channel communicates with a first gap. When the first movable member pushes the second movable member to move in a second direction, the air inlet channel communicates with the first gap. The movement of the first movable member within the air exchange channel forms separate air outlet and air inlet channels, precisely controlling the airflow direction, avoiding turbulence and backflow, improving exhaust efficiency, and adapting to airflow pressure requirements in different directions.
Owner:SHENZHEN FUCHENGWEI TECH CO LTD

High-strength aluminum profile hot extrusion forming method

PendingCN119608807AGuaranteed compositional uniformityevenly distributedExtrusion diesMetal working apparatusSmelting processIngot
The invention provides a high-strength aluminum profile hot extrusion forming method, and relates to the technical field of aluminum profile machining. The hot extrusion forming method for the high-strength aluminum profile comprises the steps that a blank is prepared, a proper aluminum alloy material is selected, inclusions in the raw material are removed, the raw material is cut into the required length and shape, heating smelting treatment is conducted, and the temperature suitable for extrusion is achieved while it is guaranteed that components are uniform. By optimizing the smelting process and adopting advanced smelting technologies such as electromagnetic stirring and vacuum smelting, the component uniformity of molten aluminum is ensured, parameters such as smelting temperature, time and stirring speed are strictly controlled, alloy elements are fully dissolved and uniformly distributed, raw material inspection is enhanced, and raw materials are strictly inspected and screened, so that the production cost is reduced, and the production efficiency is improved. The aluminum ingots containing the inclusions are removed, and before smelting, the aluminum ingots can be pretreated, such as cleaning and preheating, so that the introduction of the inclusions is reduced.
Owner:JIANGYIN JINGYOU MOULD MFG CO LTD

A defoaming device and electroplating liquid recovery system

The present invention provides a defoaming device and an electroplating liquid recovery system, comprising a buffer tank, a liquid level maintaining device, a defoaming body, an electroplating tank and a liquid storage tank. The defoaming device is connected to the electroplating tank and the liquid storage tank, and the diameter of the buffer tank in the defoaming device gradually decreases from the inlet to the outlet, thereby reducing the interaction force when the liquid rushes into the outlet in the buffer tank, and reducing the formation of vortices at the outlet to bring in air; the liquid is kept at a water surface in the buffer tank by the liquid level maintaining device, and the liquid is isolated from the outside air when it flows from the outlet into the lower connecting pipe, thereby reducing the introduction of air; the defoaming body is arranged in the buffer tank on the flow path of the liquid, and when the liquid passes through the defoaming body, the air bubbles entrained in the liquid collide with the defoaming body and break or are adsorbed on the defoaming body, thereby reducing the foam generated by the sputtering rebound caused by the drop, and the structure is simple and the stability is strong.
Owner:KUNSHAN DONGWEI MACHINERY CO LTD

A self-cleaning platform door for rail transit

PendingCN122078448ARealize dynamic cleaningreduce bring inRailway componentsPower-operated mechanismGear wheelBrush
This invention discloses a self-cleaning platform screen door for rail transit, belonging to the technical field of rail transit. It includes a door frame, with a motor mounted on the top of the frame. The output shaft of the motor is connected to a connecting shaft via a pulley mechanism. A gear is fixedly sleeved on the outer side of the connecting shaft, and a rack is fixed to the top of the platform screen door via a rod. It also includes a cleaning mechanism located on the inner side of the door frame. The cleaning mechanism cleans the surface of the platform screen door using a combination of sweeping and vacuuming. This self-cleaning platform screen door for rail transit, by combining a rolling cleaning brush with a vacuuming structure, achieves dynamic cleaning of impurities and dust on the platform screen door, avoiding problems of untimely cleaning and increased cleaning difficulty. Furthermore, the platform board connecting the platform screen door and the vehicle can absorb pedestrians' feet and fallen impurities and dust, reducing the amount of impurities and dust brought into the vehicle.
Owner:JIANGSU YOUWEI RAIL TRANSIT TECH CO LTD

Method for improving blast furnace high-aluminum smelting slagging

The invention discloses a method for improving blast furnace high-aluminum smelting slagging, relates to a metallurgical technology, and provides a scheme aiming at the problem that the amount of magnesian flux added into sintered ore in the prior art is limited. And adding a certain proportion of light-burned dolomite powder and injection coal powder, mixing, feeding into a mill for milling, and injecting into a blast furnace from a tuyere through a coal gun, wherein the powder with the granularity of-200 is 80-82%. The method has the advantage that the continuous high MgO requirement of the slag is easily realized by adjusting the injection mass ratio of the light-burned dolomite powder to 2-3%. The grade of the sintered ore is improved; slagging at the upper part of a blast furnace is improved; the bosh slag amount is reduced; and the air permeability of a material column is improved. And thirdly, the acid slag in the tuyere convolute area is quickly adjusted and balanced, the slag desulfurization effect in the continuous high-aluminum smelting process is met, and the molten iron components are favorably improved and stabilized.
Owner:YANGCHUN NEW STEEL CO LTD

Automobile circuit board and tinning treatment method thereof

ActiveCN116249273BEase of plating operationextend your lifeConductive pattern reinforcement
The present application provides an automotive circuit board and a tinning treatment method thereof. The above-mentioned tinning treatment method for automotive circuit boards includes the following steps: photocuring the ink layer on the circuit board to obtain a photocured circuit board; degreasing the photocured circuit board to obtain a degreasing circuit board; microetching the degreasing circuit board to obtain a microetched circuit board; prepregging the microetched circuit board to obtain a prepreg circuit board; sequentially adjusting the temperature and complex concentration of the tinning solution to make the temperature of the tinning solution reach 66°C to 70°C and the complex concentration reach 140g / L to 160g / L; placing the prepreg circuit board into the adjusted tinning solution for chemical tinning. The above-mentioned tinning treatment method for automotive circuit boards has the advantages of being able to reduce the attack of the solution on the solder resist ink and reduce the depth of side etching while ensuring the deposition rate.
Owner:CAMELOT HUBEI TECH LTD

Agitator trap and agitator trap apparatus

ActiveCN224404988UReduce transfer frequencyreduce breedingAgitatorPhysics
The application provides a stirring collector and a stirring collection device. The stirring collector is arranged in the interior of a tank body of the stirring collection device. The stirring collector comprises a deformable collection net, a cambered collection net and a rotating main shaft. The deformable collection net is connected to the rotating main shaft, so that the deformable collection net can rotate with the rotating main shaft. The deformable collection net extends along the radial direction and the axial direction of the rotating main shaft. The cambered collection net is connected to the radial side of the deformable collection net and extends along the circumferential direction and the axial direction of the rotating main shaft. The deformable collection net comprises a plurality of collection net units, a plurality of rotating parts and a collection unit support. The collection net units are rotationally connected to the collection unit support through one or more rotating parts. The rotating shaft of the rotating part extends along the axial direction of the rotating main shaft or a direction parallel to the axial direction, so that the plurality of collection net units can change the liquid-approaching area of the deformable collection net when rotating around the rotating shaft. The plurality of collection net units are arranged in a matrix on both sides of the rotating main shaft.
Owner:HEILONGJIANG FEIHE DAIRY CO LTD +1

A milking parlor sewage microbial enhanced treatment system and method thereof

ActiveCN120157303BHigh removal rateImprove removal levelsMicroorganismSludge
The application discloses a milking hall sewage microorganism reinforced treatment system and a method thereof, and belongs to the technical field of sewage treatment. The application significantly improves the removal rates of SOD and solid suspensions through the improvement of the treatment system. In addition, the addition of the microorganism reinforced agent can obviously improve the removal level of characteristic pollutants in breeding wastewater, the effluent quality meets the requirements of breeding industry wastewater discharge and farmland irrigation water quality, the anti-load impact capacity of the whole sewage system treatment is improved, the dissolved oxygen demand and sludge production in the sewage treatment process are reduced, the use amount of PAM and PAC is reduced, the risk of secondary pollution is avoided, and technical support is provided for the sewage treatment of breeding farms.
Owner:INST OF AGRI RESOURCES & ENVIRONMENT NINGXIA ACAD OF AGRI & FORESTRY SCI NINGXIA KEY LAB OF SOIL & PLANT NUTRITION

Bundling plate and glass fiber production bundling device comprising same

The utility model discloses a bundling plate which comprises a plate body, the plate body is provided with two bundling grooves, the two bundling grooves both penetrate through the upper surface and the lower surface of the plate body, notches of the two bundling grooves are oppositely arranged, one side of the plate body is provided with a notch, and the other side of the plate body is provided with a clamping groove. The plate body is provided with a notch, the notch is communicated with the two bundling grooves so that a plurality of bundled glass fibers can enter any bundling groove from the outside of the plate body through the notch or enter the outside of the plate body from any bundling groove through the notch, and the plate body is further provided with a connecting structure so that the bundling plate can be detachably connected to a bundling plate fixing part. The glass fiber bundling device can be applied to bundling of glass fibers in two directions, introduction of wire blocking materials (such as iron wires) can be reduced, tows can be introduced in the two directions without the iron wires, and the production cost is saved. The use of positioning iron wires is reduced, the wire leading time is saved by more than 5 seconds each time, meanwhile, metal brought into a spinning cake is reduced, and potential quality hazards are reduced.
Owner:CHONGQING POLYCOMP INT

Dust explosion-proof control box

The utility model provides a dust explosion-proof control box which comprises a control box body, the control box body is divided into an upper cavity and a lower cavity through a partition plate, and the bottom of the control box body is provided with an explosion-proof connector connected with the lower cavity. The partition plate is provided with a wire passing opening, the lower cavity is provided with a lower Tesla valve used for communicating the lower cavity with the external atmosphere, and the lower Tesla valve is in a non-return mode in the direction from the lower cavity to the external atmosphere. The upper cavity is provided with an upper Tesla valve used for communicating the upper cavity with the lower cavity, and the upper Tesla valve is non-return in the direction from the upper cavity to the lower cavity; dehumidification boxes are arranged in the upper cavity and the lower cavity, and calcium chloride particles are contained in the dehumidification boxes. The utility model has the advantages that the internal insulativity can be improved, the internal and external air pressure can be balanced, and the deflagration separation can be realized.
Owner:NUOBI EXPLOSION PROOF TECH CO LTD

Blade coating device capable of reducing generation of bubbles

The utility model discloses a blade coating device capable of reducing generation of bubbles, which is used for coating glue on a membrane material and comprises a back roller and a comma blade, and a gluing gap is arranged between the comma blade and the membrane material. The gluing device further comprises a glue supply component and an adjusting roller, and in the conveying direction of the film material, the adjusting roller is arranged at the position more upstream than the back roller so as to be suitable for adjusting the input angle of the film material input into the gluing gap. The glue supply box is arranged on the glue facing side of the back roller; wherein in the circumferential direction of the back roller, the distance between the contact position A of the glue supply box and the membrane material and the contact position B of the comma scraper and the membrane material is defined as a casting stroke, and the length of the casting stroke is 5-10 cm. According to the utility model, the distance formed by the casting stroke between the scraper and the coating liquid box is reduced, and the glue supply part is used for quantitatively controlling the glue liquid volume in the gluing space, so that the contact area of the coating liquid and the contact surface of the back roller is effectively reduced, and the air introduction and the generation of bubbles are reduced.
Owner:ZHEJIANG XUYUAN PHOTOELECTRIC NEW MATERIAL CO LTD

Fence device of outdoor electrical power supply and distribution facility

The invention provides a fence device of an outdoor electrical power supply and distribution facility, and relates to the technical field of fences, the fence device comprises a fence main body, a notch is formed in one side of the fence main body, a fence door is mounted in the notch, sheet pins are fixedly connected to two sides of the fence door, and guide grooves are formed in vertical columns, located on two sides of the fence door, of the fence main body; the sheet-shaped pin can slide in the guide groove; anti-falling pins are installed on the two sides of the fence door, and the heights of the anti-falling pins can be changed. According to the fence device of the outdoor electrical power supply and distribution facility, through the arrangement of the fence body, the fence door, the sheet-shaped pins, the anti-falling pins, the water storage tank and the extrusion flushing structure, the situation that the fence door is opened by mistake can be reduced, the power distribution equipment can be protected, accidents caused by curiosity of passing personnel can be reduced, and the safety of the power supply and distribution facility is improved. In addition, the shoe soles of the workers can be washed in rainy days, soil brought into the power distribution room is reduced, and potential safety hazards are reduced.
Owner:SHANDONG MEASUREMENT SCI RES INST

Preparation process of soybean drawing protein recombinant bamboo shoots

The invention discloses a preparation technology of a soybean drawing protein recombinant bamboo shoot, which comprises the following steps: firstly, selecting a soybean drawing protein and a dried bamboo shoot raw material; soaking the textured soybean protein, cutting the textured soybean protein into required shapes, soaking the dried bamboo shoots, and cutting the dried bamboo shoots into proper sizes; uniformly mixing the two according to a certain proportion for seasoning; kneading and forming, and loading into a fixed mold; quick-freezing and demolding at the temperature of minus 37 DEG C or below; and frying, shaping, re-frying, taking out, cooling, packaging, sterilizing at high temperature, and warehousing after passing inspection. The soybean drawing protein recombinant bamboo shoot adopting the technical process disclosed by the invention can realize industrial batch production, is crisp and tender in taste, has a muscle texture, is convenient to produce and process, is matched with seasoning technologies of different proportions, ensures the taste diversity, can be used as a snack for resting, and meets the requirements of modern pace of life.
Owner:ZHEJIANG ANJIJIAXIANG FOOD

Endotracheal intubation kit for protection against ventilator-associated pneumonia

ActiveCN119015556Bprevent invasionreduce bring inTracheal tubesMedical devices
This invention discloses an endotracheal intubation assembly for ventilator-associated pneumonia (VAP) protection, comprising an endotracheal cannula and a cannula. The endotracheal cannula includes a cannula body, with first and second air bladders mounted on its lower part, suspended from the ground. The first air bladder is connected to a first inflation port via a first inflation connecting tube, and the second air bladder is connected to a second inflation port via a second inflation connecting tube. A first suction port is located on the cannula body above the first air bladder, and a second suction port is located on the cannula body above the second air bladder. A suction connecting tube fixed to the cannula body has one end connected to a suction port and the other end extending to the locations of the first and second suction ports. A pH sensor is located on the cannula body below the second air bladder. The cannula includes a T-shaped bite pad, consisting of a cylindrical bite pad handle and a sheet-like bite pad head, with a cylindrical isolation membrane extending from the bite pad handle. This invention has advantages such as preventing secretions and pathogens from invading downwards, thus reducing the incidence of VAP.
Owner:CAPITAL UNIVERSITY OF MEDICAL SCIENCES