73 results about "Smoke hood" patented technology

This application discloses a smoke hood. The smoke hood includes a frame, a connector, and a smoke collection assembly. The connector includes a first connecting portion and a second connecting portion. The smoke collection assembly is mounted to the frame via the connector. One of the first connecting portion and the second connecting portion is connected to the frame, and the other is connected to the smoke collection assembly. The first connecting portion is located on the side of the second connecting portion near the interior of the smoke collection assembly. The second connecting portion has a first mounting portion, and the side of the first mounting portion near the rear end face of the smoke collection assembly has a recessed mounting groove facing the front end face of the smoke collection assembly. Through this method, this application can improve the installation efficiency of the smoke hood.

The utility model provides a kind of smoke hood and have its range hood, belong to kitchen appliance technical field, the smoke hood is connected in the front opening of smoke machine shell, it includes two guide grooves and two air inlets, the cavity of the smoke cavity is recessed to the inside of smoke machine shell, the longitudinal section of the smoke cavity is triangle, and the smoke cavity includes rear side wall;Two guide grooves are formed by the recess of rear side wall to the inside of smoke machine shell respectively, the slot bottom of each guide groove is equipped with air inlet, wherein, the flow area of guide groove is continuously tapered structure along the smoke flow direction, and at least one slot wall of guide groove forms inclined flow guide surface, to guide flow to air inlet with smoke.The utility model can produce downward pressure in the upper portion of air inlet, when oil fume produces rising, can lock more oil fume, reduce the escape of oil fume;Enhance the flow guide to smoke, improve the effect of smoking, reach the purpose of quickly sucking away oil fume and reducing noise.

The utility model relates to a kind of range hood, comprising: fan frame, its inside is equipped with fan system;Smoke collecting hood is connected in the bottom of fan frame, and with the internal space of fan frame is communicated, the front portion of smoke collecting hood has air inlet;The inside of the smoke collecting hood defines vertically extending air inlet chamber, air inlet chamber has the left and right opposite noise reduction board assembly, the interval between the left and right two noise reduction board assembly gradually decreases from bottom to top, two noise reduction board assembly and the front and rear side wall of the smoke collecting hood define air inlet air duct, the air inlet air duct is also equipped with grid assembly for the airflow passing through is rectified.Occupational advantage is that: left and right noise reduction board assembly form smooth taper flow channel, reduce airflow in combination portion (especially top side) Acceleration separation and vortex generation, reduce noise from the source.On this basis, grid assembly carries out secondary rectification to airflow in air inlet air duct, suppresses turbulent flow pulsation and vortex shedding, avoids abnormal sound.

The utility model discloses a folding type smoke guide cover structure of smoke guide vehicle, including side plate, the one side of side plate is provided with the cover body, the inside top wall of cover body is provided with the turnover mechanism, the one side of cover body is fixedly connected with telescopic mechanism, the one side bottom of side plate is embedded and is connected with annular groove. The turnover mechanism that can make equipment can flexibly fold and unfold smoke guide cover through setting, thereby simplifies operation process, when needing to use, can drive folding board to rotate around connecting point, makes folding board from retracting state to work state, effectively enlarged the coverage area of smoke guide cover, through setting telescopic mechanism can make equipment can adjust the coverage area of smoke guide cover according to the actual need of the scene, can drive extension plate to slide in displacement groove in the smoke operation process, through the position of adjusting bolt in through -hole and adjusting hole, realizes the fixed position of extension plate, thereby flexibly adjusts the opening size of smoke guide cover.

This utility model relates to the field of flue gas emission technology, specifically a foldable mobile flue gas hood. It includes a support pole, a tripod movably connected to the surface of the support pole, a rotating lock fitted onto the surface of the support pole, a telescopic rod movably connected to the surface of the support pole, a omnidirectional cantilever movably connected to the upper end of the support pole, a movable rod movably connected to the surface of the omnidirectional cantilever, a rotating shaft movably connected to the surface of the movable rod, a telescopic spring clip movably connected to the surface of the rotating shaft, and a flue gas hood movably connected to the surface of the telescopic rod. This utility model uses a flue gas hood to extract emitted flue gas. The flue gas hood is connected to a smoke hood via an exhaust pipe, allowing the hood to be aligned with the flue gas emission point to prevent flue gas diffusion. The flue gas is transmitted through the exhaust pipe, and the position of the flue gas hood on the telescopic rod can be freely adjusted via a connecting plate. The entire device is easy to disassemble and store.

A condensing gas water heater with atomization device, comprising a smoke collecting hood, a fan, a condensing heat exchange cavity, a secondary condensing heat exchanger, a smoke exhaust pipe, a condensate water box, an atomization cavity and a high-frequency piezoelectric ceramic sheet, the secondary condensing heat exchanger is arranged in the condensing heat exchange cavity, the smoke collecting hood, the fan, the condensing heat exchange cavity and the smoke exhaust pipe are sequentially communicated, the atomization cavity and the smoke exhaust pipe are communicated, the condensate water box is communicated with the condensing heat exchange cavity and the atomization cavity, the high-frequency piezoelectric ceramic sheet is arranged on the bottom plate of the atomization cavity, and the fan is communicated with the atomization cavity. The smoke and the atomized water are respectively and independently arranged and finally collected at the smoke outlet end of the smoke exhaust pipe, the speed of the smoke and the atomized water is improved, and the fan can utilize the internal preheating of the water heater to accelerate the drying of the atomized water and the smoke exhaust pipe.

This utility model relates to the field of commercial kitchen equipment, and more particularly to an integrated intelligent fume hood. This utility model provides an integrated intelligent fume hood that can automatically clean impurities from a fan without disassembly, offering convenient use and improved work efficiency. An integrated intelligent fume hood includes a fume hood, a mesh panel, and a smoke outlet. The mesh panel is connected to the inner side of the fume hood, and the smoke outlet is connected to the upper side of the fume hood. This utility model uses a motor to drive a reciprocating screw, causing a slider to move back and forth under the action of the screw thread. This movement drives a spray frame to move back and forth, allowing cleaning water to be sprayed onto the fan, achieving the effect of automatically cleaning impurities from the fan without disassembly, offering convenient use and improved work efficiency.

This invention relates to the field of kitchen appliance technology, and discloses a range hood. The range hood includes a smoke collection hood, a blower box, and an auxiliary fan. The smoke outlet of the smoke collection hood is connected to the smoke inlet of the blower box. A smoke inlet is provided on the front side of the blower box. The bottom front surface of the smoke collection hood has a downward-facing air curtain outlet. An air guide structure is provided inside the smoke collection hood. The auxiliary fan has a first installation state installed on the smoke collection hood and a second installation state installed on the smoke inlet via an external connector. In the first installation state, the auxiliary fan can deliver air to the air curtain outlet through the air guide structure to form an air curtain on the front side of the smoke collection hood. In the second installation state, the auxiliary fan can guide fumes generated by cooking appliances other than the stove into the blower box for exhaust via the external connector. By setting up an auxiliary fan, both the adsorption of fumes generated by the stove and the adsorption of fumes generated by other cooking appliances near the range hood can be enhanced, reducing costs.

The embodiment of the utility model provides an exhaust fume collecting hood and a range hood, and relates to the technical field of kitchen appliances. The exhaust fume collecting hood comprises an exhaust fume collecting hood body and a flow guide plate, the exhaust fume collecting hood body is provided with a first exhaust fume inlet, a second exhaust fume inlet and a partition piece, the first exhaust fume inlet, the partition piece and the second exhaust fume inlet are sequentially arranged at intervals, the first exhaust fume inlet is located in the side, close to the front end of the exhaust fume collecting hood body, of the partition piece, and the second exhaust fume inlet is located in the side, close to the rear end of the exhaust fume collecting hood body, of the partition piece; the guide plate is rotatably connected to the front end of the exhaust fume collecting hood body and is used for opening or closing the first exhaust fume inlet; and under the condition that the flow guide plate is in the closed state, the end, away from the front end of the exhaust fume collecting hood body, of the flow guide plate abuts against the partition piece so as to separate the first exhaust fume inlet from the second exhaust fume inlet. According to the range hood, the first smoke inlet and the second smoke inlet can be separated when the flow guide plate is in the closed state, oil smoke is prevented from entering the first smoke inlet area, the oil smoke suction effect is improved, and the overall purification performance of the range hood is improved.

The application discloses a sintering flue gas treatment device and a treatment method thereof and belongs to the technical field of flue gas treatment. The device comprises a tower body, a waste liquid tank is arranged at the bottom of the tower body, and a plurality of pretreatment adsorption units are arranged around the position corresponding to the waste liquid tank at the bottom of the inner cavity of the tower body. In the application, the water sprayed by the spraying assembly can enter the corresponding pretreatment adsorption unit under the guidance and control of the connecting assembly, the sintering flue gas sent from the bottom can be guided into the corresponding pretreatment adsorption unit through the air inlet guide assembly, the rising sintering flue gas can be contacted with the sprayed water for spraying purification, the activated carbon on the sidewall of the pretreatment adsorption unit can simultaneously perform the pre-adsorption of the flue gas, the air after spraying and adsorption can pass through the gathering of the smoke hood upwards, be conveyed to the tower top through the pipeline and be treated by the subsequent purification process, the pre-spraying and adsorption of the sintering air can reduce the content of large particles in the flue gas, and the difficulty of the subsequent process purification treatment is reduced.

This utility model discloses a furnace fume hood opening structure, including a fume hood body, a fume hood door, and an opening assembly. An opening is provided on one side of the fume hood body. Moving guide rails are provided at both the upper and lower ends of the opening side of the fume hood body. The fume hood door is located on the moving guide rails. The opening assembly is located beside the opening surface of the fume hood body and below the fume hood door. The opening assembly includes a reducer bracket, a reducer, a friction sprocket, and a chain. The reducer bracket is located at the lower end of the opening side of the fume hood body. The reducer is mounted on the reducer bracket. The friction sprocket is mounted on the reducer bracket and connected to the output end of the reducer. The chain is located between the fume hood door and the moving guide rail at the lower end of the opening side of the fume hood body, and its tail is connected to the friction sprocket. This furnace fume hood opening structure uses a chain instead of traditional steel wire rope, improving adaptability to harsh environments. Simultaneously, the design of the friction sprocket structure achieves redundant design for door opening limit, protecting the entire furnace fume hood from damage.

The utility model belongs to moxibustion instrument technical field especially is a kind of lifting moxibustion instrument, including base, the self-locking universal wheel is equipped at the four corners of base, fixed mounting has intercommunicating piece on base, the upper portion of intercommunicating piece is equipped with flue gas purification pipe, and flue gas purification pipe is connected heating pipe on the upper portion.The utility model, by the self-locking universal wheel of its base, it is convenient to move and fix, it is flexible and stable to use, flue gas purification pipe, heating pipe and other collaborative work in equipment, can purify moxa smoke, radiate and discharge, electric push rod, sliding block and slide rail cooperate, drive moxa cup lifting can satisfy the height demand of different users, return smoke cover and other structure design reasonable, can effectively collect and guide moxa smoke, improve moxibustion effect, on the basis of support hose regulation moxibustion height more convenient and accurate control moxibustion height, in the case of face downward lying bed moxibustion, single person controls moxa cup lifting adjustment by remote controller.

The utility model provides a kind of range hood, it relates to kitchen electrical technology field, range hood includes smoke collecting hood and air bellow;Smoke collecting hood includes shell, shell top is set out air outlet;Air bellow bottom is inserted smoke collecting hood by air outlet;Smoke collecting hood further includes reinforcing bracket, reinforcing bracket is long strip, reinforcing bracket is set in the junction of smoke collecting hood and air bellow, reinforcing bracket, smoke collecting hood and air bellow three screw connections.By the embodiment provided in the present application, fan and other components are fixed in the air bellow to form a fan assembly, which is the heaviest part of the range hood, the air bellow and the smoke collecting hood are connected, the top surface of the smoke collecting hood is a weak area, and deformation may occur on the top surface of the smoke collecting hood during transportation and falling. To solve this problem, the reinforcing bracket is arranged at the junction of the smoke collecting hood and the air bellow, i.e. near the bottom end of the air bellow on the top of the smoke collecting hood. The screw passes through the smoke collecting hood, and the air bellow and the reinforcing bracket are screw-connected to improve the strength and prevent deformation.

This utility model belongs to the field of household appliance technology, specifically disclosing a flue gas sampling tool. The tool includes a smoke hood and a smoke collection pipe. The smoke hood comprises a side plate, a top plate, and a bottom plate, with a smoke collection chamber formed between them. The smoke hood is detachably mounted on the outer edge of the smoke outlet of a gas water heater, and the smoke collection chamber is connected to the smoke outlet. The smoke collection pipe is located on the side plate or the top plate, with its first end connected to the smoke collection chamber. This utility model provides a flue gas sampling tool where the smoke hood is mounted on the outer edge of the smoke outlet, allowing the flue gas flowing out of the gas water heater through the outlet to completely enter the smoke collection chamber. After mixing within the chamber, the flue gas is discharged and collected through the smoke collection pipe. Furthermore, the water vapor in the flue gas condenses upon cooling, forming condensate that can remain within the smoke collection chamber. Because the smoke collection pipe is located on the side plate or the top plate, the probability of condensate clogging the pipe is reduced, ensuring accurate and reliable flue gas detection.

The application discloses an AOD furnace cover smoke hood dismounting safety protection device, which comprises a furnace body and a furnace cover, a dismounting protection mechanism is arranged outside the furnace body and the furnace cover, the dismounting protection mechanism comprises a base frame, an auxiliary supporting mechanism, a main lifting mechanism and a manned mechanism, and the auxiliary supporting mechanism, the main lifting mechanism and the manned mechanism are all located on the top side of the base frame. The main lifting mechanism and the auxiliary supporting mechanism are used for lifting and supporting, the dismounting of the furnace cover is completed, the hydraulic rod two in the main lifting mechanism drives the horizontal beam to move upwards, the furnace cover is lifted through the cooperation between the traction rope and the locking unit, the auxiliary supporting mechanism plays a supporting role, the burden of the traction rope is reduced, the furnace cover is prevented from falling due to being too heavy, the safety of the device is improved, the base frame can be freely moved, the device is suitable for the dismounting of various AOD furnace cover smoke hoods, the overall structure is integrated, the device is simple to operate and convenient to use, and the use requirement of people when the furnace cover is dismounted and the furnace body is maintained is met.

The present application provides a kind of range hood, including fume collecting cover and main box, fume collecting cover top is provided with the interface for being connected with main box, the inside of interface is provided with the edge of along circumferential arrangement, main box lower end at least partially extends into interface, and is clamped in edge inside.The present application is through setting the lower end of main box and the interface shape of fume collecting cover top is adapted, and the edge of along circumferential arrangement is set in the inside of interface, makes the lower end of main box at least partially from fume collecting cover top the interface insertion fume collecting cover, and is clamped in edge inside, to guarantee the sealing between fume collecting cover and main box, simultaneously, can improve the installation efficiency of range hood.

The application discloses a kind of laser cutting device for aerospace material processing, specifically relates to laser cutting technical field, including workbench, the top of the workbench is equipped with three-axis moving platform, laser cutting head is installed on the Z-axis of three-axis moving platform, the top of the workbench is close to laser cutting head one side and is equipped with smoke hood, the track of the X-axis of three-axis moving platform is connected with the smoke hood by connecting arm, the negative pressure chamber can form negative pressure by smoke inlet hose when fan is opened, and the negative pressure chamber is communicated with suction dust collection chamber by lower movable cylinder and annular filter screen, therefore, the flue gas on the workbench will pass through smoke inlet hole, smoke hood and through hole into dust collection box in turn, and then be extracted to fan by smoke inlet hose and be sprayed from smoke outlet hose, main guide tube, branch guide tube and V-shaped nozzle, to further aerate the water flow outside the radiator tube body, so as to quickly take away the heat of the radiator tube.

The utility model discloses a water -cooling pull plate bottom -blowing furnace furnace mouth seal fume hood relates to bottom -blowing furnace slag cleaning technical field, including water -cooling fume hood, fume hood plate body, hoisting assembly, be equipped with fume hood mouth, smoke outlet pipe on water -cooling fume hood, be equipped with ring set trapezoidal fume hood on smoke outlet pipe, fume hood plate body swing installation is on fume hood mouth, be equipped with lifting lug on fume hood plate body, fume hood plate body inside is equipped with water -cooling channel, fume hood plate body outer edge is equipped with sealing element, fume hood plate body is equipped with top -supporting spare on the inner wall of fume hood mouth, hoisting assembly includes support axle, hoisting spare, through hoisting spare drive fume hood plate body opening and closing to open or close fume hood mouth, the inside cleaning of water -cooling fume hood is convenient, and the top -supporting spare of setting cooperates with converter coking, and when coking rotates, the top -supporting spare moves up to drive fume hood plate body to move up, fume hood plate body and converter direct joint deformation are avoided to fume hood plate body, thereby avoiding water -cooling fume hood leakage.

The utility model discloses a kind of waste gas collection systems for chemical production, it is related to chemical production waste gas collection technical field, the utility model includes RTO waste gas treatment equipment, and a plurality of production lines one-to-one corresponding dispersion die head and fume hood being set at dispersion die head, it is characterized by: the dispersion die head bottom is fixedly connected with the multiple orifice plate of dense glue hole, the fume hood is set below dispersion die head, the suction port of the fume hood is set along horizontal direction to glue hole, the fume hood is communicated with RTO waste gas treatment equipment by suction pipe;By the setting of structure, waste gas condensate can be prevented from dropping on adhesive tape, and product quality is guaranteed.

This invention relates to the field of metallurgical equipment technology and discloses a composite structure of inner cover plates for a ferrosilicon furnace fume hood with refractory seals. The structure includes a hexagonal central cover plate and six sets of side cover plates. The cover plates are joined and fixed by bolts with insulating sleeves and pads. Sealing and insulating components are provided at the joints, consisting of a central thermal expansion layer and insulating layers on both sides. The central cover plate and the side cover plates have the same layered structure, sequentially including a refractory layer, a heat insulation layer, a support layer, a cooling channel layer, and an outer reinforcing layer. A self-sealing component is provided between the cooling channel layers. Through the cooperation of a ball valve, a spring, and a push rod, this invention can flexibly adjust the diameter of the central circle, significantly reducing modification costs and downtime, significantly improving sealing reliability, electrical safety, and maintenance convenience, effectively extending equipment service life, and improving the operating environment.

This application relates to the field of burner technology, specifically providing a burner, a gas water heater, and a gas boiler with condensation atomization function. The burner with condensation atomization function includes: a combustion chamber, a condensation assembly, a fan, a water storage container, a water pump, and an atomizing device. The combustion chamber is equipped with a main heat exchange tube. The condensation assembly includes a shell and condensation heat exchange tubes. The fan is mounted on the smoke hood, with its inlet connected to the exhaust port and its outlet connected to the air inlet connection port. The water storage container is located at the bottom of the shell and communicates with the drain hole. The atomizing device includes an air inlet, an exhaust port, a water return port, and a water supply pipe. The water pump's inlet is connected to the water pumping pipe, and its outlet is connected to the water supply pipe. This reduces condensate overflow, improving reliability and user experience.

The utility model relates to a kind of commercial kitchen environment-friendly oil fume purification energy-saving device, belong to oil fume purification device field, it includes smoke hood;Purification mechanism is set on the upper surface of smoke hood in communication;Separation component is located inside the purification mechanism, it includes processing box, is located inside the purification mechanism, and processing box is communicated with the purification mechanism;Partition, is located inside processing box;Separation pipe, is located on the upper surface of partition, and the lower end of separation pipe penetrates partition;Oil receiving tank, it can be placed inside processing box, and oil receiving tank is located below the lower end surface of separation pipe.The utility model is extracted by the cooperation of purification mechanism, air suction fan and smoke hood, the water spray of spray cover is effectively adsorbed in oil fume, while, separation component, using oil-water density difference and the design that water surface is flush with separation pipe, make oil stain automatically flow into oil receiving tank, realize the efficient separation of adsorbed water and oil stain.

The utility model relates to metallurgical smoke exhaust hood technical field, proposes a movable shake furnace smoke hood, including operation platform, hose connecting assembly and mobile smoke hood component, the upper end surface one side fixed connection stand of operation platform, the upper end one side connection of stand exhaust pipe, the one end installation hose connecting assembly of exhaust pipe, the bottom fixed connection mobile smoke hood component of hose connecting assembly, the utility model discloses through setting up mobile smoke hood component and moves on the track through electric control driving wheel, can adapt to different dross operation process, realizes the full process dynamic collection of smoke dust, solves the fixed smoke hood blind area problem, through setting up main / vice frame modular design, utilizes locking plug and spigot structure, guarantees combination stability, also retains flexible split ability, through setting up high temperature resistant hose flexible connection, both compensates equipment displacement deviation, also avoids the sealing failure risk caused by traditional rigid connection.

This invention relates to a method for preventing ash collapse in converter hoods, belonging to the field of steel metallurgical converter production technology. The invention includes the following steps: S1 Optimizing the blowing operation system and controlling the slag formation conditions during the initial blowing and re-drying stages to suppress initial ash buildup in the hood caused by metal splashing and iron gasification during these stages; S2 During converter blowing, controlling the converter inlet to tilt towards the inclined flue at 1-2° to change the internal flow field of the flue and suppress scale deposition; S3 Enhancing the cooling capacity of the vaporization cooling flue to suppress the formation of high-strength ZnFe2O4 scale; S4 Controlling the circulation frequency of the cold-formed pellet raw material used in the internal circulation to reduce the enrichment content of ZnO in the raw material and control the content of low-melting-point substances such as NaCl and KCl in the raw material; S5 Screening the lime entering the furnace to control its activity between 365-380 mL. This invention can fundamentally alleviate scale buildup in the hood and flue, prevent ash collapse, and ensure long-term stable and smooth production.

This utility model discloses a micro-ceiling fume hood, including a hood body and an exhaust duct connected to the hood body. The bottom of the hood body has a first smoke collection chamber and a second smoke collection chamber. It also includes: a centrifugal separation unit disposed in the inlet area of ​​the first and second smoke collection chambers, used to perform primary separation of the inhaled oil fume aerosol through centrifugal force generated by rotating airflow; and a bidirectional airflow constraint unit disposed outside the hood body and surrounding it. This utility model filters oil fumes by setting up a centrifugal separation unit, generates a vertically downward airflow suppression curtain by setting up a first nozzle group to prevent oil fumes from spreading in all directions, and generates a horizontal airflow pointing towards the hood body by setting up a second nozzle group to guide the oil fumes to the exhaust area, assisting in oil fume extraction. Therefore, this micro-ceiling fume hood has the effect of improving oil fume purification efficiency.

A top suction type range hood, comprising a smoke exhaust interface, a casing, a lower opening smoke collecting cavity, a centrifugal fan, an oil screen and an oil cup, a flow guide ring with a circular arc cross section and an annular cavity with an open end in the axial direction, an oil discharge hole provided on the annular cavity, a smoke collecting hole provided on the top plate of the smoke collecting cavity, the oil screen in the shape of a cylinder with an open top end and an oil discharge hole provided on the bottom plate, the flow guide ring being connected with the smoke collecting hole and integrally formed with the smoke collecting cavity, the top plate of the smoke collecting cavity being attached to the front volute plate, the air outlet of the volute, the smoke exhaust hole and the smoke exhaust interface being sequentially communicated, the upper end of the oil screen being connected with the top plate of the smoke collecting cavity, the oil cup being detachably connected with the oil screen and the lower end of the oil screen extending into the oil cup, the centrifugal fan being horizontally arranged, the air inlet of the front volute plate being directly communicated with the oil collecting cavity, the flow guide ring serving as a residual oil collecting groove and then the oil entering the oil cup through the oil screen, the oil fume being effectively prevented from entering the space between the smoke collecting cover and the casing, and the inner surfaces of the smoke collecting cover and the casing being free from cleaning.

The utility model discloses a kind of intermediate frequency steel shell furnace smoke removal devices, including trolley, heightening stand, cooling water tank, cyclone dust collector, adjustable smoke hood, electric telescopic rod, fan, heat exchange tube and metal bellows, fan is fixed in the top of heightening stand, adjustable smoke hood is located in the downside of heightening stand, the air inlet of fan is connected with adjustable smoke hood by metal bellows, the number of electric telescopic rod is two and fixed in the top of heightening stand, the telescopic end of electric telescopic rod is fixed with the upper end of adjustable smoke hood, electric telescopic rod is used to drive adjustable smoke hood to move up and down, heat exchange tube is fixedly installed in cooling water tank, the air outlet of fan is connected with the upper end of heat exchange tube by pipeline, the lower end of heat exchange tube is connected with the lower end of cyclone dust collector by pipeline.The utility model is convenient to move, convenient to adjust size, convenient for the smoke of different size models of intermediate frequency steel shell furnace to be absorbed and handled.