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44results about How to "Guaranteed circulation" patented technology

Fully-sealed oil-immersed high-capacity power transformer

The utility model discloses a full-sealed oil-immersed high-capacity power transformer, which relates to the technical field of transformers and comprises an oil tank, a tank cover is mounted on the top surface of the oil tank, cooling components are assembled on two sides of the top surface of the tank cover, and an oil pump is mounted above the tank cover. The louver adopts a gap type structure and a stepped inclined shape, heat in the radiating fins can be smoothly radiated outwards through gaps among the gap type structures by the aid of the gap type structure, and the stepped inclined shape guides an air flowing path, so that the heat in the radiating fins can be radiated outwards by the aid of the gap type structure regardless of blowing of external natural wind. The air can smoothly penetrate through the protective cover along the inclination angle of the shutter and fully flow through the heat dissipation fins when the transformer is in a power-off state or is in air convection caused by heat dissipation of the transformer, and meanwhile, most dust is effectively blocked through the shutter, so that air circulation can be guaranteed, and most dust can be blocked.
Owner:JIANGSU YONGGANG POWER EQUIP CO LTD

Highly efficient and water-saving tiered aquaculture tank

This invention provides a high-efficiency, water-saving, tiered aquaculture tank, belonging to the field of aquaculture technology. It addresses the problem in existing tiered aquaculture tank structures where the height and position of the upper tank limit the ability of workers to quickly and flexibly access aquatic organisms in all corners of the upper tank. The invention includes a support frame, a movable tank, supporting rails, an easy-access component, and a partition component. The movable tank is located at the top of the support frame. Two supporting rails are fixedly connected to the left and right sides of the support frame. The easy-access component is located at the top of the support frame. The partition component is located inside both the fixed and movable tanks. This invention solves the problem of inconvenient operation of the upper movable tank through the easy-access component, facilitating the retrieval of aquatic organisms and the feeding of materials. Simultaneously, the partition component allows for flexible separation of the internal space of the fixed and movable tanks, meeting diverse aquaculture needs.
Owner:王雷

A device for improving the warp of large-diameter electrically fused pipe fittings

This invention relates to the field of electrofusion pipe fitting processing equipment technology, and discloses a device for improving the warping of large-diameter electrofusion pipe fittings. The device includes a furnace body with two sets of parallel annular conveyor belts inside. Both conveyor belts are connected to a conveying drive mechanism. Multiple pipe fixing mechanisms for fixing the electrofusion pipe fittings to be processed are evenly spaced on the two conveyor belts. A pipe feeding mechanism is provided at the starting end of the conveying of the two conveyor belts, and a pipe unloading mechanism is provided at the end of the conveying of the two conveyor belts. Both the pipe feeding and unloading mechanisms are located outside the furnace body. The portions of the two conveyor belts inside the furnace body are connected to a rotary temperature control mechanism inside the furnace body for graded temperature control of the electrofusion pipe fittings during rotation. This allows for sequential and uniform cooling of each part of the electrofusion pipe fitting, resulting in better cooling and higher quality after annealing, effectively improving the warping problem of large-diameter electrofusion pipe fittings.
Owner:EZHOU XINGXIN BUILDING MATERIALS

A fresh-keeping packaging box for apple transportation

This utility model discloses a fresh-keeping packaging box for apple transportation, relating to the field of apple transportation technology. The technical solution includes a box body with two sliding plates fixed inside. Multiple slots are provided on one side of each sliding plate. Multiple partition components are provided inside the box body. Each partition component includes a partition shell located inside the box body. A limiting groove is provided on one side of the partition shell, and a sealing plate is provided inside the limiting groove. A grid plate is fixed on the top of the sealing plate. Side blocks are fixed on both sides of the partition shell. The beneficial effects are: reducing collisions and compression between apples, greatly reducing the probability of mechanical damage to apples, thereby reducing transportation losses; rationally setting the distance between adjacent partition components improves the utilization rate of the internal space of the box, reducing transportation costs; ice packs can be placed inside the partition shell to lower the temperature inside the box, inhibiting the respiration of apples and the growth and reproduction of microorganisms, thus extending the shelf life of the apples.
Owner:JINGNING COUNTY LVMU FRUIT CO LTD

A chive cultivation device

This utility model provides a chive cultivation device. The chive cultivation device includes: a cultivation box; a cultivation tray for planting chives, the cultivation tray being disposed on the cultivation box, the bottom of the cultivation tray having multiple ventilation holes; a draining plate, disposed inside the cultivation box, the draining plate having a filter cloth, the draining plate being located below the cultivation tray; a water holding tank, disposed inside the cultivation box, the water holding tank being located below the draining plate; and a storage box, the storage box being fixedly installed on the top of the cultivation box, the storage box having a partition fixedly installed inside, the partition dividing the storage box into a fertilizer storage chamber for storing organic liquid fertilizer and a water storage chamber. The chive cultivation device provided by this utility model can effectively separate excess water from the culture medium, realizing water recycling, and simultaneously cleaning and recycling the culture medium, avoiding waste of the culture medium.
Owner:BEIJING PLANT PROTECTION STATION

A special impregnated charcoal production line tail gas treatment device

This invention discloses a tail gas treatment device for a special impregnated carbon production line, relating to the field of tail gas treatment. It includes: a device housing and an air inlet pipe installed on the outside of the housing, with one end of the air inlet pipe extending to the inside of the housing; a drainage pump for conveying dilute sulfuric acid solution installed on the top of the housing; a spray frame installed on the inside of the housing, with the top of the spray frame connected to the pipe of the drainage pump; a water injection pipe installed on the outside of the housing; and a sewage discharge pipe installed at the bottom of the housing. It also includes: a filtration mechanism for filtering fine particles in the tail gas, comprising an arc-shaped filter screen installed on the inside of the housing. This invention, through the filtration mechanism, allows tail gas to be injected into water inside the housing, causing larger particles in the tail gas to remain in the water. The filtered tail gas can then be filtered again through the arc-shaped filter screen, facilitating the treatment of finer particles and thus improving the tail gas treatment efficiency.
Owner:宁夏浦士达环保科技有限公司

Organic waste liquid inorganic reaction and desalination integrated device

ActiveCN119461703BGuaranteed circulationavoid corrosionGeneral water supply conservationWater contaminantsCorrosion reactionDesalination
The present application relates to supercritical water reaction technical field, provide a kind of organic waste liquid inorganic reaction and desalination integration device, inner body is arranged in the inside of outer body, and first gap is left between inner body and outer body;Particle discharge device is connected with inner body and the outside of body;The inside of inner body is provided with outer water pipe and inner water pipe, and length is less than the length of inner body, second gap is left between outer water pipe and inner body, third gap is left between inner water pipe and outer water pipe, and the bottom of inner water pipe and outer water pipe is provided with corrosion-resistant plate;Inner body is provided with reactant inlet and reactant outlet;Outer body is provided with cooling water inlet and cooling water outlet.The present application can avoid salt precipitation to plug and corrode reactor and pipeline and equipment in rear end, reduce reactor cleaning salt and maintenance frequency, prolong the service life of main equipment to ensure the continuous and stable operation of supercritical water reactor, and then increase the processing efficiency of organic waste liquid.
Owner:DALIAN DESIGN INST CO LTD CHINA FIRST HEAVY IND +1

A deformation-resistant security door

ActiveCN224413476UGuaranteed circulationPrevent outsiders from looking directly into the roomMaximum ventilationPrivacy protection
The utility model provides a kind of anti-deformation security door belongs to security door field.It solves the security door on current market in function and structural design There are many limitations, it is difficult to meet the diversified needs of users on security, practicality and privacy protection problem.This anti-deformation security door, including reinforcing anti-deformation door frame, characterized in that, the inner end hinged connection of reinforcing anti-deformation door frame has steel core security door body, the inner end of steel core security door body is equipped with middle part open storehouse, the middle part of the middle part open storehouse is fixedly connected with auxiliary partition strip frame, the rear end of auxiliary partition strip frame is equipped with inner recessed square groove.It is characterized in that the anti-deformation security door of the utility model is formed by reinforcing anti-deformation door frame and the reinforcing rib frame of upper and lower two ends, which forms a high-strength three-dimensional support structure, the split design of middle open door and lower open door, the maximum ventilation area is realized by double-door linkage, which meets the demand of rapid ventilation and flexible performance.
Owner:ZHEJIANG JUDING IND & TRADE CO LTD

An abdominal peritoneal short tube storage structure

ActiveCN224331337Ukeep shapeGuaranteed circulationCatheterPeritoneal dialysisPeritoneal dialysisElastic bandage
The utility model provides a kind of peritoneal dialysis short tube storage structure, belong to peritoneal dialysis appliance technical field, including elastic bandage, and elastic bandage both ends are sewn with elastic band, and the elastic bandage one end of elastic band one end is sewn with magic sub-paste, and the elastic bandage other end of elastic band one end is sewn with magic mother paste, and the elastic bandage middle part is equipped with first chain, and the inside of first chain is engaged with second chain, and second chain is sewn with storage bag, and the middle part of storage bag is equipped with tenacity board, and the side of tenacity board is equipped with through hole, and peritoneal dialysis tube is connected in through hole, the utility model provides a kind of peritoneal dialysis short tube storage structure, peritoneal dialysis tube is passed through the through hole in the middle part of soft rubber ring, when patient turns over or walks, soft rubber ring protects the folding of peritoneal dialysis tube, keeps the flow of liquid and separates the folding of peritoneal dialysis tube with tenacity board, keeps the overall shape of peritoneal dialysis tube.
Owner:ZHEJIANG UNIV

Spinneret constant temperature and humidity apparatus

ActiveCN224280570UGuaranteed circulationquality improvementDry spinning methodsFiberAir cycle
This utility model discloses a constant temperature and humidity instrument for spinnerets, relating to the field of spinneret machinery technology. The key technical points are: it includes a spinneret and an air circulation device, which comprises a fan, a ventilation duct, an air outlet, and a temperature and humidity control device. A spinneret tube is fixedly connected to the spinneret, passing through the ventilation duct. One end of the spinneret tube extends out of the air outlet and is fixedly connected to the spinneret. An annular telescopic baffle, which slides and engages with the air outlet, is detachably installed on the outer side of the spinneret. The annular telescopic baffle floats on the surface of the coagulation bath solution. The lower end of the annular telescopic baffle floats on the surface of the coagulation bath solution, thus forming a relatively sealed space between the spinneret and the coagulation bath solution. The temperature and humidity of the annular telescopic baffle are adjusted by the temperature and humidity control device, thereby precisely controlling the environmental conditions within the annular telescopic baffle and effectively improving the quality and performance stability of carbon fiber precursor.
Owner:ZHEJIANG JINGKO CARBON MATERIAL TECHNOLOGY CO LTD

Wireless monitoring terminal and wireless ad hoc network device

ActiveCN224416159Uflow fastquick collectionElectric machineWireless ad hoc network
The utility model discloses a wireless monitoring terminal and wireless ad hoc network device, hollow arrangement in wireless monitoring terminal, and wireless monitoring terminal includes pole body, pole head and pole tail, and pole head is equipped with temperature sensor, and pole head is along the circumference and is equipped with a plurality of air inlet, and pole tail is equipped with gas sensor and sensor adapter board, and temperature sensor and gas sensor all are connected with sensor adapter board electricity, and sensor adapter board electricity connects wireless terminal circuit board, and wireless terminal circuit board electricity is connected with power supply and drive motor for power supply, and drive motor output shaft fixed connection has the flow guide fan blade, and wireless terminal circuit board electricity is connected with the wireless module for receiving and dispatching data, and wireless module electricity is connected with wireless data transmission ware for transmitting data. The present application can realize the quick collection and real -time monitoring of the gas data in the designated depth area of coal heap.
Owner:XUZHOU JI AN MINING TECHNOLOGY CO LTD

Dust removing device for carbon processing

The utility model provides a dust collector for carbon processing relates to carbon processing technical field, include: carbon dust removal machine body, carbon dust removal machine body inboard is supported to have dust filter cartridge, carbon dust removal machine body lower surface welding has cyclone dust collector, carbon dust removal machine body inboard links through the air duct with cyclone dust collector inner chamber intercommunication, cyclone dust collector lower end surface welding has the ash storage box, dust filter cartridge inner tube surface is pasted with U type dust blowing board, U type dust blowing board side end concave surface equidistance installation has dust blowing shower nozzle, U type dust blowing board upper surface middle part installation has the hollow shaft pole, the hollow shaft pole upper end pole surface is connected with motor through the belt drive assembly shaft, the hollow shaft pole inboard runs through has the gas -liquid delivery pipe. The utility model solves the problem that the filter screen in the device in the prior art is directly filtered to the entering carbon dust, and the filter screen is easily blocked by the carbon dust, which leads to the need for frequent self-cleaning and affects the dust removal efficiency.
Owner:DONGTAI RUNSHEN CARBON CO LTD

A large-mesh hernia repair patch

The utility model relates to medical supplies technical field discloses a big mesh hole hernia repair patch, including a plurality of medical textile monofilament, a plurality of antibacterial fiber and a plurality of flow fiber, a plurality of medical textile monofilament and a plurality of flow fiber are respectively perpendicular to each other interlaced weaving arrangement, a plurality of antibacterial fiber is respectively arranged in the clearance of a plurality of parallelly arranged flow fiber, the side wall of a plurality of flow fiber is respectively surrounded and is opened a plurality of drainage holes. The utility model provides a plurality of medical textile monofilament, a plurality of antibacterial fiber and a plurality of flow fiber are arranged mutually, and the interval is set to 3mm, can improve the mesh size of patch, does not influence the fibrous tissue production of affected part simultaneously can reduce the rejection phenomenon, and antibacterial fiber has excellent biocompatibility, can be absorbed and metabolized by human body part, contains amino in its molecular structure, makes it have antibacterial activity, can improve the antibacterial effect of patch, prevents the situation of infection.
Owner:BIOHEALTH MEDICAL TECH CO LTD

Escape-proof leech farming cage

This utility model relates to the field of aquaculture technology, specifically an escape-proof leech farming cage. It includes a cage body with an opening and escape-proof door at the top. The cage body is fitted inside an outer frame, which includes multiple side rods and several connectors. A cleaning assembly is provided on the outer frame, comprising four movable sleeves. A brush plate is positioned between adjacent side rods, and several bristles are inserted into the inner surface of the brush plate, with the ends of the bristles adhering to the outer surface of the cage body. This escape-proof leech farming cage, through the cleaning assembly, allows the movable sleeves to slide along the side rods, causing the brush plate and bristles to move against the outer surface of the cage body, effectively cleaning attached suspended matter, preventing mesh blockage, maintaining water circulation within the cage, and reducing oxygen deficiency.
Owner:KUNMING UNIVERSITY

Integrated deer breeding house

The utility model relates to the technical field of livestock breeding house, disclose an integral type deer breeding corral, including the breeding house, the inside of breeding house is fixedly connected with the livestock room back and forth, the livestock room is installed with the feed trough in the side of being similar to approaching, the inner wall bottom side of feed trough is rotatably connected with the discharge assembly, the inner wall left side of breeding house is installed with the water tank, the upper right side of water tank is installed with the temperature controller, the output of temperature controller is fixedly connected with the temperature regulating pipe, the left side upper portion of water tank is installed with the water pump, the input of water pump is fixedly connected with the water pumping pipe, the output of water pump is fixedly connected with the water delivery pipe, the output of water delivery pipe is fixedly connected with the main pipe, the main pipe is connected with the branch pipe through the four -way pipe, the bottom of branch pipe is installed with the atomizing nozzle that evenly distributes. In the utility model, realize the temperature control of breeding house inside to carry out the control to the inside humidity, ensure the temperature and humidity in the corral are suitable for the growth of deer.
Owner:HUBEI FRANK ECOLOGICAL BREEDING CO LTD

A steamer

The utility model discloses a kind of steamers, including pot body, heat insulation pad, loading inner pot and pot cover, the lower surface of heat insulation pad is annularly provided with several first support strips, several groups of first through holes are opened in array on heat insulation pad, the central position of heat insulation pad is equipped with basin-shaped groove, the middle part of basin-shaped groove is equipped with vertical upwards fixed pull-tab, the bottom surface middle part of loading inner pot is equipped with the position-avoiding groove that is contracted upwards, the bottom of basin-shaped groove is located and is respectively opened in second through hole at the both sides of pull-tab, the lower surface of loading inner pot is annularly provided with several second support strips, still be equipped with the limiting convex ring for limiting abutting second support strip side edge on heat insulation pad, the distance between the outer wall of loading inner pot and the inner wall of pot body is greater than the distance between the side edge of heat insulation pad and the inner wall of pot body, by using heat insulation pad and steamer rack detachable, it is convenient to wash and replace heat insulation pad, and installation mode is simple, improve dismounting efficiency, and cooking efficiency is high.
Owner:DONGGUAN SHOUHONGYU SILICA GEL PROD CO LTD

A poultry cage with adjustable ventilation structure

ActiveCN224267822UAccurate spacing adjustmentGuaranteed circulationBird housingsPoultry farmerAgricultural engineering
This utility model discloses a poultry cage with an adjustable ventilation structure, comprising a main frame, a ventilation component, and a drive housing. The inner walls on both sides of the main frame are provided with sliding grooves. The ventilation component consists of multiple ventilation plates with air vents, which move up and down via sliders engaging with the sliding grooves. Preferably, the top cover is equipped with a guide plate, the surface of the ventilation plates is coated with an anti-rust coating and fitted with a filter screen, and the base is equipped with shock-absorbing pads and drainage holes. This application can precisely adjust the ventilation volume according to season and environmental conditions, improve air quality, prevent dust and impurities from entering, reduce temperature fluctuations, and improve poultry farming efficiency and comfort.
Owner:东安县梦成现代农业有限公司

A fixed position spacer sleeve

ActiveCN224313589UQuick combination connectionpromote circulationFurnace typesHeat treatment furnacesMetalworkingRound bar
The utility model discloses a fixed position spacer, it relates to metal processing technical field, including mesh tooling, spacer component and combined component, the surface of mesh tooling is movable and inserts spacer component, the combined component is perpendicular and inserts four diagonal places of mesh tooling, the spacer component includes spacer main part, fixed stake, first link stake and second link stake. This fixed position spacer, through being provided with spacer component, using its structure can assist directly inserting product on the surface of mesh tooling, to form fixed anchor point, to control the position of product loading, can prevent the arbitrary rolling of round bar product, and its upper portion can bear certain gravity, and cooperate the structural setting of combined component, can make the mutual superposition of many mesh tooling uses, can provide effective support effect to upper mesh tooling as auxiliary support simultaneously, to guarantee the use stability of device structure, provides enough use flexibility simultaneously.
Owner:SHANGHAI FENGDONG HEAT TREATMENT ENGINEERING CO LTD

A water-saving seedling tray based on a support medium for wheat germination detection

ActiveCN224439945Uprevent floodingTake advantage of savings and efficiencyWater useSoil science
This utility model discloses a water-saving seedling box based on a support medium for wheat germination detection. The box body is composed of a support frame and transparent splicing panels to ensure light penetration. The box contains multiple layers, each with seedling troughs filled with sponge. A liquid level sensor is installed on one side of each trough to monitor water volume in real time. A spray pipe with a sprinkler head is installed above the troughs, and a drain outlet is opened on one side at the bottom, connected to a water collection tank at the bottom of the box via a drain pipe to drain excess water and prevent flooding of the wheat seedlings. The water collection tank has an overflow outlet and a debris preventer to prevent impurities from entering. The water collection tank is connected to a water supply pipe via a water pump to achieve water recycling. In addition, a water collection component is installed on the top of the box to collect rainwater. This utility model, through its drainage, water recycling, and rainwater collection designs, effectively avoids water accumulation problems, achieves water conservation and efficient utilization, and provides a good seedling environment for wheat germination detection.
Owner:INST OF BIOTECHNOLOGY & GERMPLASM RESOURCES YUNNAN ACAD OF AGRI SCI

A building structure integrated with solar energy

ActiveCN224468542Ukeep surfaces cleanReduce maintenance difficultyBuilding integrationSurface cleaning
The utility model relates to building structure technical field proposes a kind of solar energy and building integration's building structure, comprising: wall and the storage groove being arranged in the one side of wall and the solar panel being arranged in the inboard of storage groove;Two rotating rods symmetrically arranged inside storage groove, and the both ends of rotating rod are rotatably connected between wall;Two groups of telescopic mechanisms are set on the outer wall of rotating rod, and one U-shaped frame is commonly provided on two groups of telescopic mechanisms;Two protective components symmetrically arranged on the one side of wall, and one end of two protective components is respectively connected between two rotating rods;Auxiliary mechanism is set on protective component, and auxiliary mechanism is connected between wall;By telescopic component driving inverted L frame lifting, so that brush can clean the surface of solar panel, and then both need not manual cleaning, reduce maintenance difficulty and time cost, can also ensure the surface cleaning of solar panel, improve its power generation efficiency.
Owner:GUANGZHOU CONSTR DESIGNING INST CO LTD

A feeding box for molding automotive EPS toolboxes

ActiveCN224275813Uavoid adsorptionGuaranteed circulationElectrostatic chargesVoltage generatorToolbox
This utility model relates to the field of EPS toolbox production technology, specifically to a feeding box for molding automotive EPS toolboxes, comprising: a feeding hopper, a first cover plate rotatably connected to one side of the top of the feeding hopper, and a second cover plate rotatably connected to the other side of the top of the feeding hopper; an ion fan is fixedly connected to the middle of the top of both the first and second cover plates; the ion fan includes a housing, a through hole in the middle of the housing, a dust cover fixedly connected to one end of the through hole, an electrode needle fixedly connected to one side of the dust cover, and a high-voltage generator fixedly connected inside the housing. Through the ion fan, a strong electric field is generated on the electrode needle by the high-voltage generator during use, causing air molecules to ionize and generate positive and negative ions. Then, a fan blows the ionized air onto the surface of the EPS particles, delivering positive and negative ions. The positive and negative ions combine with the electrostatic charge on the surface of the EPS particles, neutralizing the static electricity, thereby effectively preventing the EPS particles from adsorbing onto the box wall due to static electricity.
Owner:HUBEI YONGXINGCHEN PHOTOELECTRIC TECH CO LTD

An access control and monitoring device

This utility model discloses an access control monitoring device, including a housing. A guide groove is formed on one side of the front of the housing, and a rack plate is slidably connected inside the guide groove. A connecting plate is fixedly connected to the side of the rack plate away from the housing. An L-shaped mounting bracket is fixedly connected to the side of the connecting plate away from the rack plate by screws. A motor is fixedly connected to the bottom of the mounting bracket. A feeding roller and a take-up roller are symmetrically arranged between the mounting bracket and the connecting plate. A drive gear and a transmission gear are respectively fitted onto the rotating shaft surfaces of the feeding roller and the take-up roller. A toothed belt meshes with the surfaces of the drive gear and the transmission gear. A cleaning cloth is provided on the surfaces of the feeding roller and the take-up roller. This utility model enables the replacement of the cleaning cloth by starting the motor, whose output shaft drives the drive gear and the feeding roller to rotate, and transmits the power to the transmission gear through the toothed belt, causing the take-up roller to rotate, thereby avoiding secondary pollution.
Owner:杨丽燕

An ultra-high gloss wallboard polishing apparatus

The utility model discloses a kind of superhigh gloss wallboard polishing equipment, including conveying table body, the upper end of conveying table body is fixedly connected with dust cover, the upper end inner wall of dust cover is fixedly installed with servo electric cylinder, one end of servo electric cylinder piston rod is fixedly connected with moving cover, the back surface of moving cover is fixedly communicated with guide square tube, one end of guide square tube is provided with dust collection mechanism, and dust collection mechanism includes dust removal cylinder, the outside of dust removal cylinder is fixedly communicated with one end of guide square tube, one end of dust removal cylinder is fixedly connected with annular mounting block, the utility model is through dust collection mechanism, realize the dust particle that is adsorbed on the surface of cylinder type filter screen is cleaned, to ensure air circulation, improve the efficiency of debris cleaning, and the debris and dust particle cleaned are collected by the arc inside dust removal cylinder and fall into collection box, to facilitate the effect of unified processing of operator.
Owner:浙江禾运科技有限公司

Sintering flue gas circulating dust removal device

ActiveCN224486281UGuaranteed circulationImprove filtering effect
This utility model relates to the field of sintering flue gas dust removal technology and discloses a sintering flue gas circulating dust removal device, including a conveying shell. A connecting shell is fixedly installed at one end of the conveying shell, and a filter plate is embedded in one side of the conveying shell. A circulation mechanism is provided at the top of the conveying shell. The circulation mechanism includes a connecting shell, which is fixedly installed at the top of the conveying shell, and a circulation shell extends through one side of the connecting shell. A fixing shell is fixedly installed at the bottom of the connecting shell. This utility model can achieve a dual filtration effect through the filter plate and filter bag. In conjunction with the connecting shell, circulation shell, and fixing shell, it can allow the circulating gas to form a backflow for circulation, thereby filtering again. While maintaining gas flow, it improves the filtration effect of dust, particulate matter, and impurities. At the same time, it can reduce the size of the entire dust removal device, requiring only suspension rods to be suspended from the ceiling, avoiding large space occupation and waste.
Owner:JIANGSU YANHUAN IND CO LTD

A gas-liquid mass transfer unit and a gas-liquid mass transfer method using the same

This invention discloses a gas-liquid mass transfer unit, comprising: an upper tray channel extending downward from an opening in the upper tray; a swirl vane array at the top of the upper tray channel, with a first through-hole on the channel wall at a fixed position of the swirl vanes, for allowing only gas phase flow during the gas phase flow stage, forming a swirling flow through the swirl vane array, and for allowing only liquid phase flow during the liquid phase flow stage; a first constriction at the bottom of the upper tray channel, with a second through-hole along the upper edge of the first constriction for liquid phase overflow; a lower tray channel with a third through-hole at its upper part, for allowing only gas phase flow during the gas phase flow stage and only liquid phase flow during the liquid phase flow stage; a fourth through-hole in the lower middle part of the lower tray channel; a second constriction at the top of the lower tray channel; and a movable component that can slide entirely within the upper and lower tray channels; the movable component includes an upper circular surface and a lower circular surface fixedly connected; when the movable component moves to the top under the lifting action of the gas phase, it is in the gas phase flow stage; when the movable component moves downward under the gravity action of the liquid phase, it is in the liquid phase flow stage.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

A masterbatch storage silo with a ventilation mechanism

This utility model relates to the field of masterbatch storage ventilation technology, specifically a masterbatch storage silo with a ventilation mechanism. The silo includes a storage silo with two feed pipes at its top. Each feed pipe has a slidable cap at its top. A ventilation mechanism is connected between the two feed pipes at the top of the silo. A discharge section is connected to the bottom of the silo. This utility model connects an exhaust fan and a filter plate through the ventilation pipes in the ventilation mechanism. The exhaust fan promotes air circulation, and the fan at the bottom of the equipment further ensures airflow. The filter plate filters impurities in the air, preventing dust and other contaminants from entering the storage silo and polluting the materials. The combination design of the funnel-shaped pipe, support rod, and conical top facilitates air circulation while reducing the entry of rainwater. The electric actuator and stopper plate at the bottom of the conical top allow for control of the opening and closing of the ventilation pipes as needed, achieving flexible ventilation, reducing humidity inside the storage silo, and protecting the materials from moisture.
Owner:SHANGHAI WEIYINA GARMENT CO LTD

A windproof device for welding of a building steel structure

The utility model discloses a kind of building steel structure welding wind-preventing device, it is related to building steel structure welding technical field, including wind shield, wind shield is opened in the bottom of one side and is passed through and is equipped with observation window, the clamping mechanism of symmetrical setting is equipped in the one side of wind shield, the air adjusting mechanism of setting is equipped in the top of the one side of wind shield, the clamping mechanism includes the L-shaped plate fixed to the one side of wind shield, the one side of L-shaped plate is opened and is equipped with sliding slot, the sliding block of the inside of sliding slot is slid, the clamping plate of the one side of sliding block is fixed, the clamping plate is fixed with stress plate on one side, stress plate is equipped with placing groove on one side;The building steel structure welding wind-preventing device, it is convenient to install wind shield, saves installation time, improves installation efficiency, and wind shield is not easy to be blown up when wind is larger, forms effective windbreak, improves windproof effect, avoids affecting welding.
Owner:NINGXIA CRYSTAL NEW ENERGY MATERIALS CO LTD