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40results about How to "Reduce escape rate" patented technology

Supercritical carbon dioxide mineralization and storage method based on paste filling technology

The invention discloses a supercritical carbon dioxide mineralization and storage method based on a paste filling technology. The supercritical carbon dioxide mineralization and storage method comprises the following steps: S1, preparing a paste filling material; s2, preparing supercritical carbon dioxide; s3, mineralization and storage: in order to realize large-scale mineralization and storage of CO2 in the mine, the mineralization and storage step comprises a mineralization filling slurry preparation process and a carbon injection mineralization process; according to the supercritical carbon dioxide mineralization and storage method based on the paste filling technology, the paste filling technology and supercritical carbon dioxide mineralization and storage are combined, mine solid waste with a large number of calcium and magnesium resources and supercritical carbon dioxide are fully mineralized, mineralization filling slurry is prepared and filled into an underground goaf, and the mining goaf is filled with the mineralization filling slurry. The mechanical property and the pore structure of the filling body are improved, the concept of treating waste with waste in a mine is met, and green mining of the metal mine is achieved.
Owner:DAYE NONFERROUS METALS +1

Range hood head and integrated cooker

ActiveCN222164917UImprove smoke collection effectReduce thickness requirementsDomestic stoves or rangesLighting and heating apparatusStructural engineeringIndustrial engineering
The utility model belongs to the technical field of electric appliances, and particularly discloses a range hood head and an integrated cooker. The range hood head comprises a head body with a smoke suction port and a turning plate assembly, the turning plate assembly can turn over to open or close the smoke suction port, the left end and the right end of the turning plate assembly are both connected with side baffle assemblies, and each side baffle assembly comprises an installation rotating shaft installed at the top end of the head body and at least two side smoke baffles sequentially and rotationally arranged on the installation rotating shaft in a sleeving mode. The two adjacent side smoke baffles on the same side can be oppositely unfolded, so that the side baffle assemblies can be unfolded and shield the lateral gap between the turning plate assembly and the machine head main body when the turning plate assembly turns over to open the smoke suction opening, and the two adjacent side smoke baffles can be oppositely folded; the side baffle assembly can be folded and hidden in the back side of the turning plate assembly when the turning plate assembly turns over to close the smoke suction opening. The integrated cooker comprises the range hood head. According to the range hood head and the integrated cooker disclosed by the utility model, the smoke gathering effect of the range hood head and the integrated cooker can be improved, and the smoke exhaust performance of the integrated cooker is improved.
Owner:HANGZHOU ROBAM APPLIANCES CO LTD

Ash cleaning device for horizontal flue at hearth outlet of circulating fluidized bed boiler

The utility model discloses a circulating fluidized bed boiler furnace outlet horizontal flue ash removal device which comprises a furnace, a horizontal flue, a cyclone separator, a high-temperature superheater, a low-temperature superheater, a coal economizer and an ash removal device, one end of the ash removal device is arranged at the bottom of the horizontal flue, and the other end of the ash removal device is arranged at the lower end of the coal economizer. The ash removal device comprises a primary air pre-heater, a conveying air pipe, a conveying air branch pipe and an ash removal module, and the ash removal module is arranged at the bottom in the horizontal flue and comprises a main air pipe, a branch air pipe, a connecting rod and a small air cap. A small part of primary air is led to the bottom of the horizontal flue at the hearth outlet through the bypass pipeline of the primary air pre-heater and enters the ash removal device, accumulated ash accumulated at the horizontal flue at the hearth outlet is loosened and fluidized through the small air cap and then enters the cyclone separator along with flue gas, and therefore the purpose of removing the accumulated ash in the horizontal flue at the hearth outlet is achieved. After accumulated ash is cleaned, the smoke flow speed of a hearth outlet is reduced, and the efficiency of the boiler is improved.
Owner:JIANGSU SOPO CHEM +1

Air preheater anti-blocking method for reducing NH3 escape and SO3 content

The invention discloses an air preheater anti-blocking method for reducing NH3 escape and SO3 content, and relates to the field of air preheater anti-blocking. Comprising the steps of step-by-step soot blowing optimization, dynamic soot blowing parameter adjustment, ammonia escape precise control, coal type bin-divided blending, combustion parameter optimization control and wall temperature increase treatment. According to the invention, step-by-step soot blowing strengthens removal of ash on the surface of the catalyst and reduces the ammonia escape concentration through fixed-point retention and dynamic adjustment; the ammonia escape detection system monitors and adjusts the ammonia spraying amount in real time to ensure that the ammonia escape concentration is lower than 3 ppm, and generation of NH4HSO4 is reduced; the SO3 generation amount is reduced through coal type bin-dividing blending and combustion parameter optimization control, and the blocking risk is restrained from the source; in the wall temperature increasing treatment, the wall temperature is increased to 210 DEG C or above in a circulating air bin heating and single-side temperature increasing mode, and coagulated materials are promoted to be gasified and fall off. According to the method, the problem of blockage of the air preheater is effectively solved, and the operation efficiency and stability of a boiler system are improved.
Owner:CHINA RESOURCES POWER (LIUZHI) CO LTD

Electrothermal catalytic purification kitchen smoke treatment device

The utility model relates to the technical field of cooking fume purification, and particularly discloses an electrothermal catalytic purification kitchen fume treatment device which comprises a catalytic reaction module and a control function module, the catalytic reaction module comprises a shell and a plurality of electrothermal coupling catalytic layers arranged in the shell, a fan is arranged at the air outlet end of the shell, and the two ends of each electrothermal coupling catalytic layer are connected with end electrodes respectively; the control function module comprises an oil smoke concentration detection unit and a main controller, and the main controller is used for adjusting the rotating speed of the fan and the magnitude of current input into the electrothermal coupling catalyst layer according to the oil smoke concentration of the air inlet end. Current is applied to the electric heating coupling catalyst layer to generate an in-situ Joule heating effect, a catalyst is rapidly heated, the temperature is uniformly distributed, electric heating concerted catalysis is realized, oil smoke mixed gas is decomposed into CO2 and H2O, and rapid, stable and efficient kitchen smoke catalytic purification is realized; and the device is small in size, simple in structure and suitable for range hoods, ventilators, (steaming) ovens, microwave ovens and the like.
Owner:HUAZHONG UNIV OF SCI & TECH

Solid particle heat collection device based on secondary reflection condensation technology

The invention relates to a solid particle heat collection device, in particular to a solid particle heat collection device based on a secondary reflection condensation technology. The problem that in the prior art, solid particles are heated unevenly and insufficiently or escape is solved. The system comprises a condensation unit, a particle heat collection unit and a particle storage unit. The light condensation unit comprises a light condensation array and a reflection tower, and the light condensation array reflects solar rays to the reflection tower. The particle storage unit comprises a high-temperature storage bin and a low-temperature storage bin, and solid particles in the high-temperature storage bin are conveyed to the low-temperature storage bin through a conveying belt. By adjusting the feeding speed, the heating time of the solid particles is guaranteed, and therefore it is guaranteed that the particles are fully heated; meanwhile, the solid particles freely slide down after being stacked in the particle heat absorption box by controlling the feeding speed, the escape rate of the solid particles can be greatly reduced, and the reliability of the heat collection technology is improved. The invention belongs to the technical field of solar photo-thermal power generation and solid particle heat collection equipment.
Owner:HARBIN BOILER CO LTD

Electrode assembly, electrochemical device and electronic device including the same

ActiveCN114759272Breduce accumulationImprove the risk of lithium analysisFinal product manufactureNegative electrodes
The present application relates to the field of lithium battery technology, and discloses an electrode assembly and an electrochemical device and an electronic device containing the same. The electrode assembly includes an anode electrode piece, a cathode electrode piece and a separator. The cathode electrode piece includes a cathode current collector and a first cathode covering layer arranged in a straight area of ​​the cathode current collector and a second cathode covering layer in a corner area. The conductivity of the second cathode covering layer is lower than the conductivity of the first cathode covering layer; or, the porosity of the corner area of ​​the separator is smaller than the porosity of its straight area. The electrode assembly of the embodiment of the present application improves the situation of lithium precipitation in the corner by optimizing the corner area of ​​the separator and / or the corner area of ​​the cathode electrode piece. Moreover, the present application only optimizes the corners, which will not have a significant impact on the overall performance of the battery cell.
Owner:NINGDE AMPEREX TECHNOLOGY LTD

Ammonia gas stable combustion device

The utility model discloses an ammonia gas stable combustion device which comprises a flame generator, an ammonia gas adding device and a pure oxygen adding device, the flame generator enables ignition fuel and oxygen to be mixed and combusted to generate flames, the ammonia gas adding device is used for adding ammonia gas to the outer side of the flames, the pure oxygen adding device is used for adding pure oxygen to the outer side of the ammonia gas, and the ammonia gas is stably combusted in a high-temperature area of the flames under the oxygen-enriched condition. According to the device, ignition fuel and oxygen are mixed and combusted to generate flames, the temperature of a high-temperature area of the flames reaches 2000 DEG C, ammonia gas and pure oxygen are heated and ignited, and the ammonia gas is high in combustion speed and not prone to flameout under the oxygen-enriched working condition, so that the ammonia gas can be stably combusted in the high-temperature area of the flames under the oxygen-enriched condition.
Owner:GUIZHOU FURAN ENVIRONMENTAL PROTECTION TECH CO LTD

Double delta-wing static mixer and method for mixing gas

The present invention discloses a double delta wing static mixer, comprising at least one group of static mixing devices, the static mixing device comprising at least one double delta wing mixing unit, the double delta wing mixing unit comprising two horizontally arranged mixing monomers and two vertically arranged mixing monomers, the two horizontally arranged mixing monomers are symmetrically arranged with a first diagonal line, the two vertically arranged mixing monomers are symmetrically arranged with a second diagonal line, and the tips of the two horizontally arranged mixing monomers and the two vertically arranged mixing monomers are all intersected at one point. A method for mixing gas is also disclosed. The double delta wing static mixer of the present invention has a simple structure, is easy to arrange, has a good gas mixing effect, has a small resistance, has a small impact on the original flow field in the flue, and is suitable for project transformation.
Owner:CHINA HUADIAN ENG CO LTD +1

Fine ammonia injection adjusting system for coal-fired power plant

PendingCN119322495AMeet environmental standardsreduce escape rateProgramme total factory controlSpectrum analyzerAgricultural engineering
The invention discloses a refined ammonia injection adjusting system for a coal-fired power plant, and relates to the technical field of environmental protection of coal-fired power plants. Comprising a data acquisition module which is composed of a plurality of sensors and is used for monitoring parameters in real time; the central processing module receives the data acquired by the data acquisition module and then generates a control instruction; the ammonia spraying execution module is used for receiving the control instruction of the central processing module and performing ammonia spraying treatment; the data management module is internally provided with a data storage unit, and the data storage unit is used for storing data in a topological node storage form; the data retrieval unit is used for performing data retrieval according to user input; the data analysis unit is used for analyzing the data and then providing a visual chart for a user to observe, and the sensor module comprises an infrared spectrum analyzer and a laser scattering instrument. The nitrogen oxide emission concentration is stably controlled to be 50 mg / Nm < 3 > or below, and the national environmental protection standard is met.
Owner:HUANENG POWER INT INC

Self-control urea solution cabinet for ship SCR (Selective Catalytic Reduction) system

The utility model discloses a self-control urea solution cabinet for a ship SCR (Selective Catalytic Reduction) system, which comprises a urea solution cabinet body, the top of the urea solution cabinet body is respectively provided with a liquid injection port, a pressure sensor, a stirring motor, a pressure valve and a vacuum release valve, and an output shaft of the stirring motor extends into the urea solution cabinet body and is provided with a stirrer. A steam heating pipe, a liquid level sensor and a temperature sensor are further arranged in the urea solution cabinet body, flow adjusting valves are arranged at the input end and the output end of the steam heating pipe, the urea solution cabinet body is connected with a urea pump through a pipeline, the urea pump controls flow through an air compressor, and all the components are electrically connected with a PLC control system. The urea solution cabinet is comprehensively monitored and controlled in real time, so that remote monitoring and accurate ammonia spraying of the urea solution for the ship SCR system are realized, the NOx emission reduction rate of the SCR system is improved, the ammonia escape rate is reduced, and normal and efficient operation of the SCR system is ensured.
Owner:南通慧视环保科技有限公司

Range hood

The utility model discloses a range hood which comprises a shell assembly, a main air inlet is formed in the middle of the front face of the shell assembly, and secondary air inlets are formed in the left end and the right end of the bottom of the shell assembly respectively. And the air cabinet assembly is installed in the shell assembly, and the distribution ratio of suction force generated when the air cabinet assembly works at the main air inlet, the secondary air inlet on the left side and the secondary air inlet on the right side is 3: 1: 1. The range hood disclosed by the utility model has the characteristics of small occupied space and super-strong smoke gathering, and the oil smoke escape rate is reduced by more than 50% under the condition of the same-form range hood.
Owner:VATTI CORP LTD

Machining polishing device capable of removing dust

The machining polishing device comprises a shell, a vertical cylinder penetrates through the top end of the shell, a connecting pipe movably penetrates through one side wall of the vertical cylinder in a threaded mode, a dust collecting cylinder is arranged at the end, away from the vertical cylinder, of the connecting pipe in a sleeved mode, a dust catching net is arranged in the dust collecting cylinder, and an exhaust pipe penetrates through the top end of the dust collecting cylinder. A rotating motor is fixedly installed at the top end of the vertical cylinder, a rotating shaft is clamped to the output end of the rotating motor, blades are clamped to the middle of the rotating shaft, a clamping rod is clamped to the bottom of the rotating shaft, a scraper is clamped to the bottom end of the clamping rod, and a sand disc is clamped to the bottom end of the rotating shaft. By arranging a series of structures, the probability that chippings and large-particle substances drill into dead corners in the device is reduced, so that the cleaning difficulty in the device is reduced, the time required for cleaning the interior of the device is saved, the probability that dust in the device spreads is reduced, the probability that the dust escapes from an opened device door is reduced, and the service life of the device is prolonged. And the device is more environment-friendly in use.
Owner:MENGCHENG COUNTY XINLEMING AGRI MASCH CO LTD

A trap device for the control of field pests combining light and sex lure

The utility model discloses a kind of for preventing and treating field pest light and sex lure combination's trapping device, specifically related to field pest trapping technical field, including bottom plate, the bottom plate lower end is equipped with universal wheel, the bottom plate upper end is fixedly connected with pillar one, the pillar one upper end is fixedly connected with light trapping assembly, the pillar one outer surface is fixedly connected with several sex trapping assembly.The utility model said a kind of for preventing and treating field pest light and sex lure combination's trapping device, by the light trapping assembly of design, can be attracted into device by the light of specific wavelength emitted by attractant lamp, and be electrocuted by electric network, reach the purpose of prevention and treatment, and for the collection box for containing pest, can be detached from device, facilitate to clean the pest therein, can prevent pest carcass accumulation at electric network, avoid electric network short-circuit etc. Problem, ensure that light attraction and electrocution function long-term effective.
Owner:阿坝州农产品质量检验监测中心

Smoke exhaust device for straw drain board production

InactiveCN222151803Ureduce escape ratereduce inhalation rateTransportation and packagingHollow article cleaningFlue gasElectric machine
The utility model discloses a smoke exhaust device for straw drain board production, which relates to the technical field of straw drain board production equipment and comprises a bottom frame, a mixing drum fixedly connected to the top end of the bottom frame, an electric heater fixedly mounted on one side of the inner wall of the mixing drum, and a rotating motor fixedly mounted on one side of the top end of the bottom frame. A feeding hopper penetrates through the top end of the stirring barrel, a suction pipe penetrates through the outer wall of the stirring barrel, the bottom end of the suction pipe is sleeved with a bottom barrel, and a draught fan is fixedly installed on one side wall of the bottom barrel. By arranging a series of structures, the probability that flue gas escapes from the discharge port of the equipment is reduced, so that the probability that the flue gas is inhaled by surrounding workers is reduced, damage to the health of the workers is reduced, the workers can operate at the straw discharge port more conveniently, the flue gas is purified when exhausted, and the environment is protected. And the surrounding environment is not easy to pollute.
Owner:JIANGSU ZHONGLIAN SUBGRADE ENG CO LTD

Mosquito trapping and killing device

The utility model discloses a mosquito trapping and killing device which comprises a supporting rod component, a power device is matched through the supporting rod component, an insect catching bin is installed below the power device, the supporting rod component penetrates through the insect catching bin, the supporting rod component is filled with attractant, and the attractant is diffused after the power device works. The insects are trapped in a large range through diffusion of the attractant, and the mosquitoes are guided to enter through lamplight, so that the trapping and killing efficiency is improved.
Owner:GUANGDONG JURENSHENG ENVIRONMENTAL TECH CO LTD

Dust removal device for catalyst powder batching and mixing

ActiveCN224388693UVibrating screen dust removal implementationReduce dust contentSievingScreeningPtru catalystDust control
This application relates to the field of dust removal equipment technology, specifically disclosing a dust removal device for catalyst powder batching and mixing, including a mixer and an installation platform. The mixer is fixedly installed on one side of the installation platform, and four sets of telescopic rods are spaced apart on the installation platform. The telescopic ends of the four sets of telescopic rods are hinged to a vibrating screen plate, and the four sets of telescopic rods are respectively hinged to the four corners of the vibrating screen plate. A feed pipe is provided at the upper end of the mixer, and the end of the vibrating screen plate near the mixer is located directly above the feed pipe. A vibrating screen assembly and a collection assembly are provided on the installation platform. The catalyst raw material is added to the vibrating screen plate. The vibrating screen assembly in this application can make the vibrating screen plate rise and fall along the telescopic direction of the telescopic rods, thereby realizing the vibration and screening of the catalyst raw material and reducing the dust generated during mixing. The collection assembly on the installation platform can collect the dust screened out, reducing the dust escape rate. The catalyst raw material after vibration and dust removal can be added to the mixer through the feed pipe for mixing.
Owner:HUBEI ZHONGTUO NEW MATERIALS TECHNOLOGY CO LTD

An extruder for producing polyvinyl chloride cable material with uniform heating

The invention relates to the technical field of cable extruders, and discloses an extruder for producing polyvinyl chloride cable materials with uniform heating, comprising a power mechanism, wherein the power mechanism also comprises a processing shell. Before using the device, the corresponding material is placed inside a corresponding inclined feeding plate, and the power supply of a power motor is turned on. The power motor drives the threaded feeding process through a rotating column, and the threaded blades contact the surface of a limit rotating plate during rotation, while the limit rotating plate cannot rotate due to the restriction of a sliding stopper. At this time, the threaded blades drive the sliding baffle to move along a material blocking chute through the limit rotating plate, so that the sliding baffle is away from the bottom of a material pipe, and the material inside the material pipe falls into the processing shell. The threaded blades can control the feeding speed of the material inside the material pipe by utilizing the different contact positions of the threaded blades and a plurality of limit rotating plates.
Owner:YANCHENG KEHENGDA MATERIALS CO LTD

Preparation and application of swine A type FMDV VP1 antigen and single factor positive serum

The invention belongs to the technical field of biology, and particularly relates to preparation and application of a swine A type FMDV VP1 antigen and single factor positive serum. The sequence of the expression gene of the swine A type FMDV VP1 antigen is as shown in SEQ ID NO. 1. Through the integral technical scheme of combining sequence-driven conservative site screening, expression and immunological verification, the key problems of antigen mismatch, difficult recombinant protein expression, poor diagnostic reagent universality and the like in the prior art are solved; and the effectiveness and generalizability of the vaccine, the diagnostic reagent and the monitoring means in practical application are obviously enhanced.
Owner:CHINA ANIMAL HEALTH & EPIDEMIOLOGY CENT

Closed side deflector belt unloader

The utility model relates to a closed lateral flow guide belt feeder, including the dust cover of cover conveying belt and the vertical feed pipe of going into dust cover, dust cover is arranged to the opening of one end along the direction of conveying belt progress, the lower end of feed pipe realizes the plugging through sealing bottom plate, and the side wall of feed pipe along the direction of conveying belt progress is opened and has the discharge port on, and the lower end of discharge port and the upper end surface of sealing bottom plate exist the height difference, and the material is discharged along the belt movement direction through the lateral opening, and the impact speed is greatly slowed down, and the generation amount of dust is significantly reduced, and simultaneously, the effect of sealing bottom plate buffer and material accumulation buffer layer avoids direct impact and friction belt, alleviates equipment wear and tear, prolongs the service life of belt, and more through the direct puncture risk of foreign matter of material self -accumulation relief, prevents the occurrence of belt tearing from the source, and the structure gives consideration to the discharge flow smoothness, sealing reliability and maintenance convenience, and the overall environmental protection, safety and economy of system are improved.
Owner:LINYI IRON & STEEL INVESTMENT GRP SPECIAL STEEL CO LTD

Sucker structure and cleaning and sweeping vehicle

ActiveCN222313887Usize limitreduce escape rateRoad cleaningWorking spacePhysics
The utility model belongs to the technical field of road cleaning equipment, and particularly relates to a suction cup structure and a cleaning and sweeping vehicle. A suction cup structure comprises a suction cup, the suction cup comprises a suction cup body generating negative pressure, and the direction, pointing to the front portion of the suction cup body, of the rear portion of the suction cup body is the same as the working direction of the suction cup body; the suction cup further comprises a plurality of front rubber sheets, a rear rubber plate and a dirt suction opening, the front rubber sheets are arranged on the front portion of the lower surface of the suction cup body, the dirt suction opening is formed in the middle of the lower surface of the suction cup body, and the rear rubber plate is fixedly arranged on the portion, behind the dirt suction opening, of the lower surface of the suction cup body. The limitation of the suction cup on the size of garbage during working can be reduced, garbage in the working space of the suction cup is prevented from escaping, and the cleaning efficiency is improved.
Owner:WUHU AIRUITE ENVIRONMENTAL TECH

Video call method, storage medium, electronic device and computer program product

The present application relates to a video call method, a storage medium, an electronic device and a computer program product, the video call method comprising: when the electronic device makes a video call based on a target application, in a first time period, obtaining a first video image output by a camera module, and in the first time period, the device temperature of the electronic device is a first temperature value; displaying a second video image on a first video call interface, and the second video image is obtained by performing a preset beautification effect processing on the first video image; in a second time period, obtaining a third video image output by the camera module, and in the second time period, the device temperature of the electronic device is a second temperature value, the resolution of the third video image is less than the resolution of the first video image, and the second temperature value is greater than the first temperature value; and displaying a fourth video image on the first video call interface, and the fourth video image is obtained by performing a preset beautification effect processing on the third video image.
Owner:HONOR DEVICE CO LTD

Three-piece hook with straight hook tip and inclined straight bottom

The utility model relates to a three-hook with a straight hook tip and an inclined straight bottom, which comprises a hook handle, hook bends and hook tips, and is characterized in that the lower end of the hook handle is respectively and uniformly connected with the three hook bends, the three hook bends are connected with the three hook tips, a hook door is formed between the top part of each hook tip and the hook handle, and the hook tips are connected with the hook door. The inner side wall surface of the hook tip and a vertical line passing through the center of the hook door form a right angle; the hook bend comprises two sections, one section is an inclined straight section from the hook handle to the bottom of the hook bend, the other section is a transition section from the bottom of the hook bend to the hook tip, the inclined straight section inclines towards the lower portion of the outer side of the hook handle, a main body part is linear or slightly cambered, and the transition section is arc-shaped. The bevel design is ingeniously introduced to the bottom of the fishhook, the inclined straight bottom is formed, when a fish is caught, a fish lip is firmly locked to the bottom of the fishhook, and the possibility of unhooking is reduced. Meanwhile, the inner wall of the hook tip is kept perpendicular to the hook door, the maximum distance between the hook tip and the hook handle is ensured, and therefore the fish running rate is remarkably reduced while the high fish rate is achieved.
Owner:POYANG BLACK KINGKONG FISHING TACKLE CO LTD

Stone removing winnowing machine

The utility model discloses a stone removing winnowing machine which comprises a machine frame, a fan assembly, an electromagnetic feeding assembly, a dust blocking cover, an air plate adjusting assembly, a negative pressure dust removing system and a discharging opening. A cover plate is fixed on the top surface of the rack, and the upper half section of the rack is divided into two parts by mounting a longitudinal connecting partition plate: one side is a fan mounting chamber, and the other side is a winnowing chamber; the electromagnetic feeding assembly and the dust blocking cover are mounted on the cover plate and are arranged close to the fan mounting chamber; one end of the electromagnetic feeding assembly is arranged in the dust blocking cover; a blanking opening is formed in the cover plate in the dust blocking cover; the fan assembly is arranged in the fan mounting chamber, and an air outlet of the fan assembly is communicated to the front end of the winnowing chamber through an air guide pipe; side plates A are arranged on two symmetrical sides of the winnowing chamber, and the other side of the winnowing chamber is communicated with the negative pressure dust removal system; the air plate adjusting assembly is arranged in the winnowing chamber. Tea winnowing is completed through feeding of the electromagnetic feeding assembly, airflow generation and guiding, winnowing separation, negative pressure dust removal and discharging, the structure is compact, and the stone removal rate is high.
Owner:MENGHAI TEA IND +1

Waste gas treatment device

The utility model relates to a waste gas treatment device, which comprises a reaction tower body and a catalytic reaction mechanism arranged in the reaction tower body, an accommodating cavity is formed in the reaction tower body, the catalytic reaction mechanism is arranged in the accommodating cavity, and the catalytic reaction mechanism comprises a first catalytic reaction mechanism and a second catalytic reaction mechanism, the first catalytic reaction mechanism is arranged in the middle of the accommodating cavity, and a first catalytic cavity is formed in the first catalytic reaction mechanism; the waste gas treatment device provided by the utility model is simple and practical in structure and good in waste gas treatment effect, and the production cost is further reduced.
Owner:GUANGZHOU SONGHE ENVIRONMENTAL PROTECTION TECH CO LTD

A biological x-ray device irradiation cage dedicated to experimental mice

This invention belongs to the field of biomedical experimental equipment and provides a biological X-ray irradiation cage specifically for laboratory mice. It includes a cage bottom cover with an open cage box cover. A fixed central axis assembly is provided between the bottom cover and the cage box cover. The fixed central axis assembly includes a fixed shaft rotatably mounted on the cage box cover, and several partitions are arranged circumferentially on the fixed shaft. This invention uses a fixed cage to fix the relative positions of the animals in each irradiation location to the irradiation unit, ensuring that the irradiated animals receive equal irradiation distances within the conical radiation area generated by the irradiation unit. The cage height is set to match the body thickness range of the laboratory mice, and partitions are placed between each animal to ensure stable posture, preventing them from standing or stacking, and keeping them at the same horizontal level from the radiation source, achieving consistent irradiation doses and ensuring objective and accurate experimental results.
Owner:INST OF HEMATOLOGY & BLOOD DISEASES HOSPITAL CHINESE ACADEMY OF MEDICAL SCI & PEKING UNION MEDICAL COLLEGE

Experimental animal feeding device for flea killing experiment

According to the experimental animal feeding device for the flea killing experiment, through cooperation of a glove operation box, an air knife and a transition box, the sealing performance of the feeding device is improved, the probability that fleas escape is reduced, after compressed air passes through the top of a flea suction cylinder, suction force is generated through the Bernoulli effect, the fleas can be sucked to the bottom of the flea suction cylinder, and the fleas can be killed; when the fleas are transferred into the sampling pipe, the flea suction cylinder is inserted into the extension pipe and then pressed down, the driving mechanism can drive the plug to tightly press the outlet of the air blowing pipe, so that compressed air is blown out from the flea suction cylinder, the fleas are blown into the extension pipe and then fall into the sampling pipe, and the fleas on parasitic animals are collected into the sampling pipe. The fleas in the sampling tube are transferred into the smell luring assembly by an experimenter, and the smell luring assembly can attract the fleas to move, so that the dead fleas and the survival fleas are separated, the dead fleas and the survival fleas are conveniently counted, and the experiment accuracy is improved.
Owner:INNER MONGOLIA AGRICULTURAL UNIVERSITY

Flue gas denitration and decarbonization system

According to the flue gas denitration and decarburization system, raw flue gas and hot air are directly mixed to increase the temperature of the raw flue gas, so that the flue gas denitration and decarburization system is not influenced by the temperature of the raw flue gas, the amount of the mixed hot air can be adjusted according to requirements, the flue gas temperature is ensured to reach the optimal denitration and decarburization range, and the adaptability of the whole system to the raw flue gas is improved; the desulfurization and denitrification efficiency is further ensured; meanwhile, the high-low temperature fluid mixer is arranged on the raw flue gas conveying pipeline and used for mixing the raw flue gas and the hot air, the uniformity of the mixed gas is improved, and therefore the uniformity and stability of the temperature of the mixed gas entering the denitration and decarbonization chamber are guaranteed, and the denitration and decarbonization effect is effectively improved.
Owner:CENTRAL SOUTH UNIVERSITY OF FORESTRY AND TECHNOLOGY

Static mixer and SCR flue gas denitration ammonia injection mixing system

This invention discloses a static mixer and an SCR flue gas denitrification ammonia injection mixing system. The static mixer is installed in the flue and includes multiple static mixing components, a groove, and a second row of ash pipes. Each static mixing component includes: a narrowing section, which is a hollow tubular structure with an upper opening area smaller than its lower opening area; a guide section located above the narrowing section; and at least one turbulence section, which is a concave hollow structure with an upper opening located below or inside the narrowing section, with its bottom connected to the first row of ash pipes. The first row of ash pipes is used to discharge dust from the turbulence section into the flue. This invention can improve the uniformity of ammonia mixing with flue gas while removing dust from the flue gas, thereby mitigating blockage of ammonia nozzles, catalyst bed pores in flue gas denitrification technology, and downstream equipment, thus reducing ammonia escape and effectively overcoming a series of problems caused by ammonia escape.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

Denitration VOC (volatile organic compound) integrated device

The utility model provides a denitration VOC (volatile organic compound) integrated device which comprises a combustion chamber and a plurality of heat storage chambers communicated with the combustion chamber, an air inlet branch pipe, an exhaust branch pipe and a purging branch pipe are arranged at the bottom of the heat storage chamber; a low-nitrogen combustor is arranged at the top of the combustion chamber; a first-stage heat accumulator, a reducing agent spraying opening, an SCR device and a second-stage heat accumulator are sequentially arranged in the heat accumulation chamber from top to bottom; scavenging valves are arranged on the air inlet branch pipe and the exhaust branch pipe; according to the integrated RTO device disclosed by the utility model, denitration VOC is integrated into the integrated RTO device, so that the occupied area is saved; mutual abrasion between the catalyst and the heat storage bricks is avoided; the overall service life of equipment is prolonged; the low-nitrogen combustor reduces NOX generation from the source, the catalyst load of the SCR module is reduced, the catalyst activity attenuation rate is slowed down, the ammonia escape rate is effectively reduced, and secondary pollution is avoided.
Owner:南京兰丰环保科技有限公司