20results about How to "Reduce escape" patented technology

The utility model relates to laser cutting equipment technical field discloses a dust collector of large -scale laser flat plate cutting machine, including the dust removal box that is equipped with the air inlet end and the air outlet end, the fan is butt -jointed and is arranged at the air outlet end, is provided with the filter screen in the dust removal box, is provided with the washing mechanism that can utilize the water flow to wash the filter assembly in the dust removal box, the washing mechanism includes the spray head assembly that sets up in the dust removal box and the water supply component that connects the spray head assembly, when using the dust collector in this scheme, the user only needs to open the spray head assembly when preparing to clean the dust removal box, utilizes the water flow to wash away the dust on the filter screen, and the dust mixes with water after entering the collection area, and it is not easy to produce secondary dust raising when cleaning, also can collect dust and centralized treatment through the filtration mode, compared with the prior art, the dust collector in this scheme can protect the user from the harm of secondary dust raising when cleaning the collection area of dust removal box, makes the dust collector more safe and environmental protection.

The utility model relates to dust removal board technical field, and disclose a kind of fixed structure of dust removal board for flue gas purification, including filter box, vibration plate is movably installed in the inside of filter box, installation component is fixedly installed in vibration plate bottom, the installation component contains the limiting frame fixedly installed in vibration plate bottom.The utility model compares with traditional fixed structure, the fixed structure is through positioning block one, positioning column and spring, it is convenient to limit and fix dust removal board, at the same time, through vibration motor drives dust removal board whole to vibrate, through dust removal board vibration design driven by vibration motor, effectively improve the dust removal efficiency, through the waste gas particle of adhering and shaking off, prevent accumulation and enhance particle collision, improve the capture probability, at the same time, vibration promotes particle more easily to fall off to filter box bottom, optimization collection process, reduce escape, improve collection rate.

The utility model relates to a kind of cooking bench and integrated cooker. The cooking bench includes: including: cooking bench body, the cooking bench body has operating platform and at least one cooking position;Smoke inlet channel, the smoke inlet channel is set on the operating platform, and it is set around the periphery of the cooking position;First smoke collection component, the first smoke collection component is set on the operating platform, and it is located at the side of the cooking position;Second smoke collection component, the second smoke collection component is set on the operating platform, the second smoke collection component is set relative to the first smoke collection component, and the second smoke collection component is located at the side of the cooking position. The cooking bench can improve the smoke exhaust efficiency of cooking bench.

The utility model discloses a kind of combustion device and combustion system, comprising: hearth, hearth provides space for material combustion;Primary air chamber, primary air chamber is used to form primary air;Air distribution plate, hearth is communicated with primary air chamber by air distribution plate;Ammonia gas pipeline, ammonia gas pipeline is located in hearth and close to air distribution plate;Ammonia gas air cap, ammonia gas air cap is used to communicate ammonia gas pipeline and hearth, and the gas in the hearth is guided, the surface of ammonia gas air cap has ammonia cracking catalyst layer, ammonia cracking catalyst layer can at least part of ammonia gas that passes through ammonia gas air cap is cracked into nitrogen and hydrogen. Since the minimum ignition energy of hydrogen is lower than that of ammonia and the combustion temperature is high, hydrogen is more easily combusted than ammonia, which can improve the combustion characteristics in the hearth and enhance the effect of ammonia combustion, thereby reducing ammonia escape, while allowing more ammonia to react with nitrogen oxides, achieving the purpose of inhibiting the formation of nitrogen oxides.

The application provides a rolling mill dust removal system control method and device, a dust removal system and a storage medium, and relates to the technical field of rolling mill dust removal. A variable frequency fan is used for the dust removal fan in the dust removal system. The method comprises the following steps: obtaining rolling parameters, strip steel parameters, a first dust concentration and a production event of the rolling mill in a previous period of a to-be-predicted period; determining dust source prediction data of the to-be-predicted period according to the rolling parameters, the strip steel parameters, the first dust concentration and the production event; determining a first frequency of the variable frequency fan at each moment in the to-be-predicted period according to data in each moment and a preset time length after the moment in the dust source prediction data; wherein the preset time length is less than the length of the to-be-predicted period; and controlling the operation of the variable frequency fan in the to-be-predicted period based on the first frequency, so that the dust removal system discharges the dust generated by the rolling mill. The application can control the dust removal system of the rolling mill to perform dust removal in a timely and accurate manner, reduce dust escape and improve the dust removal effect.

This application provides an image sensor and its fabrication method, relating to the field of semiconductor technology. The image sensor forms isolation cavities between adjacent filters and between adjacent lenses to solve the problem of signal crosstalk, thereby improving optical performance. The image sensor includes: a substrate, a filter layer, and a lens layer; the substrate includes a light-receiving surface and a backlight surface; the filter layer is located on one side of the light-receiving surface of the substrate and includes multiple filters arranged in an array at intervals; the lens layer is located on the side of the filter layer away from the substrate and includes multiple lens units arranged in an array at intervals, with each filter corresponding to a specific lens unit; wherein, the corresponding filters and lens units form a filter lens group, and an isolation cavity is formed between every two adjacent filter lens groups.

This utility model provides a hand-held landing net with a closable opening, relating to the field of landing net technology. The hand-held landing net includes: a handle assembly, a frame assembly joined to the handle assembly, a control assembly joined to the frame assembly, a first net body, and a second net body. The frame assembly is constructed as a frame structure. The first net body is joined to the frame assembly to form a net bag with the frame assembly as an opening. The control assembly includes a slidable slider joined to the frame assembly, and a first control member and a second control member for driving the slider to slide. The second net body is joined between the slider and the frame assembly, and one end is movable with the slider. The second control member is configured to drive the slider to move away from the second net body to close the opening through the second net body. The first control member is configured to drive the slider to move towards the second net body to open the opening. This solves the limitations of existing landing nets in catching prey.

The utility model relates to tricycle wheel hub processing technical field especially relates to a tricycle wheel hub processing platform with dust removal structure, including support frame, workstation, collection subassembly and height -adjusting subassembly, the surface of workstation is provided with multiple groups of through blanking hole, the lateral wall of workstation is fixedly installed with three groups of dust suction port, two groups of connecting pipelines are arranged between three groups of dust suction port, height -adjusting subassembly sets up at one side of workstation, the lower end of height -adjusting subassembly is fixedly installed with dust suction cover, and the dust suction cover is provided with corrugated hose between a group of dust suction port, two groups of support frame are fixedly installed with dust removal box, and the other end of dust removal box is provided with fan, and collection subassembly sets up at the lower end of workstation, the utility model discloses a fan can provide suction for dust suction port and dust suction cover, three groups of dust suction port and dust suction cover can encircle type surround workstation, cover wheel hub processing area, effectively improve the efficiency of dust collection, and the dust suction is handled through dust removal box.

This utility model relates to the field of food processing and discloses a dust collection mechanism for dry materials from an oil press. The mechanism includes a collection box, a support frame fixedly connected to the top right side of the collection box, a motor fixedly connected to the rear end of the support frame, a drive end of the motor penetrating the support frame and fixedly connected to a turntable, and a striking component on the outer wall of the turntable. The turntable strikes a collection pipe using the striking component. A flexible hose is fixedly connected to the top of the collection pipe, and a cover is fixedly connected to the bottom of the flexible hose. Connecting plates are slidably connected to both ends of the cover, and a locking component is provided on the inner wall of the connecting plate. The cover is fixed or released from the inner wall of the cover using the locking component. In this utility model, the striking component effectively breaks the adhesion of the dust by striking the collection pipe, causing the dust adhering to the inner wall of the pipe to fall into the collection box, thereby improving the overall dust collection efficiency.

The invention discloses a cooking airflow control method and intelligent cooking equipment, the method is applied to the intelligent cooking equipment, the intelligent cooking equipment comprises a first airflow module, the first airflow module is used for guiding oil drops, and the method comprises the following steps: in a cooking process, obtaining multi-frame image information; performing cooking action identification on the multi-frame image information to obtain cooking action information, and performing oil drop identification on the multi-frame image information to obtain oil drop density information and oil drop track information; determining target pressure information of the first airflow module according to the cooking action information and the oil drop density information; determining first target angle information of the first airflow module according to the oil drop track information; and controlling the first airflow module to operate based on the target pressure information and the first target angle information. According to the embodiment of the invention, the operation parameters of the airflow module for guiding the oil drops can be accurately regulated and controlled, so that the oil guiding effect is improved, and the oil drop escape is effectively reduced.

The utility model relates to the technical field of reaction kettle, and disclose a kind of feeding device for reaction kettle, including tank body, tank cover and feed nozzle, the tank cover is arranged at the top of tank body, and the top of tank cover is provided with feeding mechanism, feeding mechanism is convenient for feeding in the reaction kettle;Feeding mechanism includes support seat, support cylinder and feeding hopper, the support seat is bolted to the top of tank cover, the support cylinder is fixedly installed at the top of support seat, and the feeding hopper is fixedly installed at the top of support cylinder, by the top of reaction kettle setting feeding mechanism, first solid material is put into feeding hopper inside placement, again, the top of feeding hopper is sealed closed, again, the shaft rotation of feeding hopper bottom is opened, so that feeding hopper is put into reaction kettle, so that solid material is in closed space when feeding, substantially reduce gas escape in feeding process;And by agitating rod agitating material in feeding hopper, avoid material accumulation, so that solid material feeding is smooth.

This utility model relates to the field of guide rail technology, and in particular to a linear guide rail with a dustproof structure. It includes a guide rail, pin holes, and a slider. Multiple pin holes are formed on the inner side of the guide rail's center, and a slider is slidably connected to the outer side of the guide rail. Dustproof devices are fixedly connected to both ends of the slider. The dustproof device includes a mounting block, with a first cavity and a second cavity formed on its inner side. An alloy scraper and a beveled scraper are slidably connected to the inner sides of both the first and second cavities. The sides of the alloy scraper are in close contact with the sides of the beveled scraper. A groove is formed on the side of the mounting block away from the first cavity, and a guide groove is formed on the side of the mounting block near the alloy scraper and the beveled scraper. In this utility model, the dustproof device precisely scrapes away large particles and fine dust from the guide rail surface, ensuring the cleanliness of the guide rail, better fitting the guide rail, and preventing external dust and debris from intruding into the mating surface between the guide rail and the slider, thus ensuring stable equipment operation.

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

The utility model discloses a flue gas recirculation energy utilization system, including combustion system, flue gas treatment system and flue gas circulation system, the downstream side of combustion system is connected the upstream side of flue gas treatment system, one end of flue gas circulation system is connected with anyone or more nodes in flue gas treatment system, to be used for taking out flue gas, the other end of flue gas circulation system is connected the air inlet side of combustion system, to send back the flue gas of taking out and combustion-supporting to combustion system.

The utility model discloses a kind of tobacco field aphid control trapping devices, belong to the technical field of agricultural pest control, including fixed cover, transparent cover and collecting cylinder, the bottom of fixed cover is installed with black light, and the bottom of fixed cover is installed with fixed ring, the periphery of fixed ring is equipped with multiple fixed holes, trapping medicine is filled in fixed hole, the bottom of fixed cover is movably connected with mounting ring, the bottom of mounting ring is installed with electric net, and the surface of mounting ring is fixed with two positioning boxes symmetrically, the bottom of fixed cover is movably connected with transparent cover, multiple mounting holes are arranged on the periphery of transparent cover, trapping channel is installed in mounting hole, trapping channel adopts horn-shaped structure at external import, internal import is tapered structure, the bottom of transparent cover is movably connected with collecting cylinder. The tobacco field aphid control trapping device uses multiple trapping methods, improves trapping effect, and movably connects between components, facilitating later maintenance.

The application belongs to the field of medical instrument research / manufacture, and particularly relates to a shunt structure, a double-cannula and a fastening method thereof, and a pipeline structure, more particularly to a shunt structure of a double-cannula, a double-cannula and a fastening method thereof, and a partial pipeline structure of a cryosurgery device. The shunt structure comprises a porous base, a sleeve type connecting seat and a shunt connecting seat, independent shunting of an inner tube (high pressure supply) and an outer tube (return channel) is realized through an internal communication pipe and an adapter hole, and gear adjustment is supported. The double-cannula design comprises a connecting head (integration part and connecting part), the integration part adopts an integrated head, a connecting pipe and an elastic seal to ensure integration of the inner tube and the outer tube; the connecting part uses a connecting sleeve and a positioning pin to provide fastening and alignment. The inner tube is connected with the integrated head by extrusion of an elastic fastener; the connecting sleeve is screwed to the base to realize reliable fixing of the high pressure pipeline. The method is applied to the pipeline structure, and the flexibility is enhanced in combination with the outer tube sheath.

The application discloses a thermal power plant SCR denitration system ammonia injection grid self-adaptive control method and system, including ammonia injection grid module, thermal impedance monitoring module, sound wave tomography module, differential pressure monitoring module, sound wave cleaning module and central control module, the central control module identifies the ash branch according to the temperature response curve collected by the thermal impedance monitoring module, according to the sound wave signal collected by the sound wave tomography module, the ammonia concentration distribution field and the temperature distribution field are reconstructed, the differential pressure signal collected by the differential pressure monitoring module is extracted spectrum characteristics, the influence of the ash branch on the injection uniformity or the catalyst layer stability is verified comprehensively, and the cleaning target branch is determined. The application realizes the on-line perception of the ammonia injection branch state, the visual monitoring of the injection uniformity, the early diagnosis of the catalyst layer flow instability, the thermal-acoustic resonance self-cleaning and the closed-loop intelligent control of the predictive maintenance, effectively improves the denitration efficiency, reduces the ammonia escape and prolongs the equipment life.