CN117212820A - Adjustable quick-opening and-closing one-piece smoke baffle door - Google Patents
Adjustable quick-opening and-closing one-piece smoke baffle door Download PDFInfo
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- CN117212820A CN117212820A CN202211554264.2A CN202211554264A CN117212820A CN 117212820 A CN117212820 A CN 117212820A CN 202211554264 A CN202211554264 A CN 202211554264A CN 117212820 A CN117212820 A CN 117212820A
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- baffle
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- 239000000779 smoke Substances 0.000 title claims abstract description 89
- 238000007789 sealing Methods 0.000 claims abstract description 38
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 230000000149 penetrating effect Effects 0.000 claims abstract description 9
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 16
- 239000003546 flue gas Substances 0.000 claims description 16
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims description 8
- 238000005260 corrosion Methods 0.000 claims description 6
- 230000007797 corrosion Effects 0.000 claims description 6
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 4
- 239000003517 fume Substances 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 abstract description 4
- 230000001105 regulatory effect Effects 0.000 abstract description 4
- 238000000354 decomposition reaction Methods 0.000 abstract 1
- 238000013461 design Methods 0.000 description 5
- 239000000428 dust Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 238000006477 desulfuration reaction Methods 0.000 description 3
- 230000023556 desulfurization Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 206010022000 influenza Diseases 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention discloses an adjustable quick-opening and quick-closing one-type smoke baffle door, and relates to the technical field of smoke baffle doors. The invention comprises a ring frame, a gear ring rotatably arranged at the periphery of the ring frame, and guide connecting grooves penetrating through the upper side and the lower side of the gear ring, wherein the left end of the ring frame is provided with a gear meshed with the gear ring in a driving way, and the inner cavity of the ring frame is movably connected with a baffle mechanism for blocking the backflow of smoke. According to the invention, through weight transfer and decomposition of the half door plate, the excessive torque required when the half door plate is regulated at the output end is avoided, so that the baffle door is convenient to open and close quickly, the sealing rubber strips are protected and cleaned respectively when the baffle door is opened and closed later, the using integrity of the sealing rubber strips is ensured later, the sealing performance of the baffle door is improved, the leakage of smoke is fully avoided, the smoke exhausting mechanism is integrated with the baffle mechanism, and the opening of an additional flue is avoided, so that smoke is exhausted more conveniently and the pipeline occupation space of the flue is reduced.
Description
Technical Field
The invention relates to the technical field of smoke baffle door equipment, in particular to an adjustable quick-opening and closing one-piece smoke baffle door.
Background
The smoke baffle door is a vital accessory for chemical enterprises, particularly thermal power plants, after the heating period of the thermal power plants is finished every year, the thermal power plants can overhaul and maintain boiler equipment, as a plurality of thermal power plant boiler equipment share a smoke exhaust chimney, when the boiler equipment needs to be overhauled, smoke generated when other boiler equipment operates can flow back into equipment flues needing to be overhauled, the smoke has strong corrosiveness although being purified in advance, and the temperature is high, and the smoke is easy to cause physical damage after being inhaled by overhaulers by mistake, so that the flue needs to be blocked by the smoke baffle door in order to avoid the problem of smoke backflow.
When the flue gas baffle door is closed, mainly utilize the hard part of its edge of door plant and another door plant or direct and flue hard contact seal, part also adopts the form of high temperature resistant anticorrosive sealing member to extrude the seal, these modes are because the door plant is all stained with the flue gas granule on edge and sealing member when opening, this just leads to being used for sealed terminal surface to be worn and torn easily, can destroy sealed compactedness when later stage door plant is closed, when the flue overhauls, the flue gas inside has the risk of flowing backward promptly, in addition because the flue gas baffle door is closed, boiler equipment in the former flue, dust collecting equipment and desulfurization system etc. work needs to keep running and prevent that the flue gas from flowing backward, consequently, can utilize the bypass flue to handle the flue gas temporarily, the system of discharging fume is huge in order to avoid appearing hot high pressure in the flue, not only inconvenient to use can also increase the occupation space of pipeline to outside, lead to the enterprise cost to increase simultaneously.
Disclosure of Invention
The invention aims at: the invention provides an adjustable quick-opening-closing one-type smoke baffle door, which aims to solve the problems that when a general smoke baffle door is used, the closing tightness of a door plate is poor, and additional smoke flue is needed for auxiliary smoke discharge during maintenance.
The invention adopts the following technical scheme for realizing the purposes:
the utility model provides an adjustable quick open-close formula flue gas baffle door, includes ring frame, rotates to install at the peripheral ring gear of ring frame, the guide that runs through in the upper and lower both sides of ring gear connects the groove, ring frame left end drive install with the gear of ring gear meshing, ring frame inner chamber swing joint has the baffle mechanism that blocks the flue gas and flow backward, ring frame inner chamber fixed mounting has the fume extractor who is used for getting rid of pipeline flue gas.
Further, baffle mechanism is including rotating the slip pipe of installing both sides about the ring frame inner chamber, meshing grafting in the slip pipe, the bar pole of slip joint in the core pipe respectively, the bar pole with fixedly connected with powerful spring between the core pipe, the gasbag has been set firmly at bar pole top, half door plant has set firmly to slip pipe lateral wall, half door plant center has seted up the D type groove, the joint strip has been set firmly to the D type groove periphery, half door plant peripheral edge is prolonged the slip joint of front side direction and has the elasticity arc strip to the joint strip protection.
Further, the guide connection groove is centrally symmetrical with respect to the gear ring, an arc groove is formed in the side wall of the inner cavity of the guide connection groove, the bar rod is movably clamped with the arc groove, and the bar rod is slidably connected with the inner wall of the guide connection groove.
Further, the inner wall of the slide tube comprises a protruding portion for limiting the maximum insertion distance of the core tube, and when the baffle door is completely opened, the distance between the core tube and the protruding portion is just equal to the distance between the air bag and the slide tube port.
Further, the side wall of the D-shaped groove comprises a through part which is connected with the air bag in a sealing way.
Further, the smoke discharging mechanism comprises a rib rod, a drainage tank fixedly arranged at the front end of the rib rod, a duckbill valve fixedly arranged at the rear end of the drainage tank, through holes penetrating through the front end and the rear end of the drainage tank, and valve plates rotatably arranged on the upper side and the lower side of an inner cavity of the drainage tank, wherein valve plates corresponding to the through holes are slidably clamped on the valve plates, the valve plates are symmetrical with each other about the center of the drainage tank, memory alloy fixedly connected with the valve plates is embedded on the side walls of the valve plates, and a high-pressure air tank is arranged between the drainage tank and the rib rod.
Further, the middle part of the bar rod is provided with a hollow groove matched with the duckbill valve, and the bar rod is in sliding clamping connection with the bar rod.
Further, the drainage tank is in rotary sealing connection with the sliding pipes, the outer diameter of the drainage tank is the same as that of the sliding pipes, and the rear ends of the drainage tank, the sliding pipes and the half door plates are all covered with aluminum silicate heat-insulating and corrosion-resistant materials.
Further, the side wall of the valve disc comprises a rib section fixedly connected with the half door plate, and a movable groove corresponding to the rib section is formed in the surface of the drainage tank.
Further, the high-pressure air tank comprises an inlet end formed by two ends of the rib rod and an outlet end formed by the center of the valve disc and penetrating through the inner wall of the drainage tank, the inlet end is externally connected with a high-pressure air source, and the outlet end faces the rear side of the drainage tank.
The beneficial effects of the invention are as follows:
1. according to the invention, when the half door plates on the two sides are folded at the front side without blocking smoke, the elastic arc strips are mutually extruded to seal the D-shaped groove, the sealing rubber strips in the D-shaped groove are protected, so that the sealing rubber strips are prevented from being corroded when the baffle door is closed due to contact with the smoke, the sealing rubber strips are controlled to deflect and close before outwards stretching out to abut against the inner wall of the annular frame to seal the inner wall of the annular frame, the rigid abrasion of the sealing rubber strips and the inner wall of the annular frame is avoided, the sliding tube is respectively connected with the annular frame and the drainage tank in a rotating manner due to the fact that the weight of the half door plates is concentrated on the sliding tube, the annular frame and the drainage tank are jointly used for decomposing the acting force on the sliding tube, the problem that the torque is overlarge when the output end is used for adjusting the half door plates is avoided, the baffle door is conveniently opened and closed quickly, and then the residual smoke particles are prevented from being scraped and cleaned due to the fact that the D-shaped groove is matched with the elastic arc strips to the side walls of the sealing rubber strips when the baffle door is closed, the integrity of the subsequent sealing rubber strips is ensured, the sealing performance of the baffle door is relatively improved, and the smoke leakage is fully avoided.
2. According to the invention, the smoke exhausting mechanism is used for assisting the baffle mechanism to prevent the smoke from flowing backwards, when the half door plate is completely sealed to the annular frame channel, the high-pressure airflow is used for controlling the drainage tank to form a negative pressure area at the front side through hole according to the Venturi tube effect, so that the smoke can be forced to be discharged from front to back, and when the operation of the boiler equipment, the dust removing equipment, the desulfurization system and the like connected to the front side of the annular frame is stopped, the residual smoke can be discharged out to a plurality, and the design of exhausting the residual smoke is realized.
Drawings
FIG. 1 is a schematic perspective view of a smoke baffle door of the present invention;
FIG. 2 is a schematic diagram of a perspective structure of a tooth ring of a smoke baffle plate;
FIG. 3 is a schematic diagram of a three-dimensional structure of a door rib rod of the smoke baffle of the invention;
FIG. 4 is a schematic perspective cutaway view of a smoke baffle door baffle mechanism of the present invention;
FIG. 5 is a schematic view of a smoke baffle gate drainage tank in perspective cutaway of the present invention;
FIG. 6 is an enlarged view at A in FIG. 5;
FIG. 7 is a schematic diagram of a perspective structure of a smoke baffle door drainage tank of the invention;
FIG. 8 is a schematic drawing of a high pressure air tank of a smoke baffle door of the present invention in perspective cutaway.
Reference numerals: 1. a ring frame; 2. a gear ring; 3. a guide groove; 4. a gear; 5. a baffle mechanism; 51. a slide tube; 52. a core tube; 53. a bar; 54. a strong spring; 55. an air bag; 56. a half door panel; 57. a D-shaped groove; 58. a sealing rubber strip; 59. an elastic arc strip; 6. a smoke exhausting mechanism; 61. a bar; 62. a drainage tank; 63. a duckbill valve; 64. a through port; 65. a valve disc; 66. a valve plate; 67. a memory alloy; 68. a high pressure air tank.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in figures 1-8, the adjustable quick-opening and closing type smoke baffle door comprises a ring frame 1, a gear ring 2 rotatably arranged at the periphery of the ring frame 1, guide connecting grooves 3 penetrating through the upper side and the lower side of the gear ring 2, a gear 4 meshed with the gear ring 2 is arranged at the left end of the ring frame 1 in a driving way, a baffle mechanism 5 for blocking smoke backflow is movably connected to the inner cavity of the ring frame 1, the baffle mechanism 5 comprises a slide tube 51 rotatably arranged at the upper side and the lower side of the inner cavity of the ring frame 1, a core tube 52 meshed with the slide tube 51, a bar 53 in sliding clamping connection with the core tube 52, a strong spring 54 is fixedly connected between the bar 53 and the core tube 52, an air bag 55 is fixedly arranged at the top of the bar 53, a half door plate 56 is fixedly arranged on the side wall of the slide tube 51, a D-shaped groove 57 is formed in the center of the half door plate 56, a sealing rubber strip 58 is fixedly arranged at the periphery of the D-shaped groove 57, the outer peripheral edge of the half door plate 56 is slidably clamped with an elastic arc strip 59 for protecting the sealing rubber strip 58 along the front side direction, a smoke exhausting mechanism 6 for exhausting pipeline smoke is fixedly arranged in the inner cavity of the ring frame 1, the smoke exhausting mechanism 6 comprises a rib rod 61, a drainage tank 62 fixedly arranged at the front end of the rib rod 61, duckbill valves 63 fixedly arranged at the rear end of the drainage tank 62, through holes 64 penetrating through the front end and the rear end of the drainage tank 62, valve discs 65 rotatably arranged on the upper side and the lower side of the inner cavity of the drainage tank 62, valve plates 66 corresponding to the through holes 64 are slidably clamped on the valve discs 65, memory alloy 67 fixedly connected with the valve plates 66 is embedded on the side walls of the valve discs 65, and high-pressure air grooves 68 are formed between the drainage tank 62 and the rib rod 61.
More specifically, when the device is installed in a flue pipeline, when the device does not block smoke, the half door plates 56 on two sides are folded on the front side, the elastic arc strips 59 are abutted and mutually extruded to seal the D-shaped groove 57, the sealing rubber strips 58 in the D-shaped groove 57 are protected so as to avoid corrosion caused by long-time contact with the smoke, when the half door plates 56 are required to be closed, the control gear 4 drives the gear ring 2 to rotate forward, the bar rods 53 on two sides are driven to move oppositely, under the limitation of the strong springs 54, the bar rods 53 drive the core tubes 52 to move relatively stably and do not move relatively, so that the core tubes 52 can be meshed to drive the slide tubes 51 to deflect, and further drive the half door plates 56 to be closed, and in the process, the weight of the half door plates 56 is concentrated on the slide tubes 51, and the slide tubes 51 are respectively connected with the ring frame 1 and the drain tank 62 in a rotating way, the acting force on the slide tubes 51 is jointly decomposed, and then the problem that torque is required to be excessively when the output end of the half door plates 56 are regulated is avoided, and the shutter door is convenient to be opened quickly;
the elastic arc strips 59 at the same time are separated from each other and reset to open the D-shaped groove 57, after the half door plate 56 is closed, the movement of the core tube 52 is just limited by the protruding part in the slide tube 51 and stops, the air bag 55 just abuts against the drainage tank 62, the strip-shaped rod 53 continues to go deep, the air bag 55 is compressed, the compressed air makes the sealing rubber strip 58 extend outwards to abut against the inner wall of the annular frame 1 to seal the annular frame, and then when the baffle door is opened, the D-shaped groove 57 is matched with the elastic arc strips 59 to scrape and clean the side wall and the surface of the sealing rubber strip 58, so that the residue of smoke particles is avoided, the using integrity of the follow-up sealing rubber strip 58 is ensured, the sealing performance of the baffle door is relatively improved, and the smoke leakage is fully avoided.
In addition, when the baffle door is opened, the two valve plates 66 are sealed against the through hole 64 at the front end of the drainage tank 62, and the through hole 64 at the rear end is also sealed under the action of the duckbill valve 63, so that the condition that excessive smoke passes through the inside of the drainage tank 62 and the particles of the smoke are accumulated is avoided, when the baffle door is closed, the valve plates 66 are moved away at the front end through hole 64 due to the deflection of the half door plate 56 to drive the valve disc 65, the drainage tank 62 then allows the smoke to be discharged from front to back, high-pressure air is simultaneously controlled to be introduced into the high-pressure air grooves 68 at two sides during the process, as the air is directly discharged from the inner cavity of the drainage tank 62 to the rear end, a negative pressure area is formed at the through hole 64 at the front end according to the venturi effect, the smoke at the front side of the ring frame 1 is continuously sucked, uninterrupted smoke discharge can be realized by means of the drainage tank 62, and after the half door plate 56 is completely closed, when the boiler equipment, the dust removing equipment, the desulfurization system and the like connected with the front side of the ring frame 1 are stopped, residual smoke on the front side of the ring frame 1 can be discharged out, the duckbill valve 63 is matched to prevent the smoke from flowing backwards, as the high temperature caused by the smoke exists in the channels on the two sides of the ring frame 1 when the baffle door is opened, the memory alloy 67 is stretched and stretched under the influence of the high temperature, the memory alloy 67 in the state can be matched with the valve plate 66 to open the through hole 64, when the residual smoke on the front side of the ring frame 1 is discharged, the heat of the smoke on the rear side of the ring frame 1 has small influence on the front side due to the aluminum silicate heat insulation corrosion resistant materials covered by the drain tank 62, the slide tube 51 and the rear end of the half door plate 56, the temperature of the smoke on the front side of the ring frame 1 is gradually reduced, the temperature on the front side of the ring frame 1 is reduced to the normal temperature after the smoke is completely discharged, the memory alloy 67 is contracted and restored at the moment, the valve plate 66 is driven to seal the through hole 64 on the front side in time, the high-pressure air is continuously controlled to be introduced for a period of time or for a calibrated period of time, and then the inside of the exhaust tank 62 can be cleaned to prolong the service life of the exhaust tank, and the exhaust design of the residual smoke is more convenient for exhausting smoke and reduces the pipeline occupation space of the smoke channel due to the arrangement of an additional smoke channel.
As shown in fig. 1-3, in some embodiments, the guide connection groove 3 is centrally symmetrical with respect to the gear ring 2, an arc groove is formed on the side wall of the inner cavity of the guide connection groove 3, the bar rod 53 is movably clamped with the arc groove, the bar rod 53 is slidably connected with the inner wall of the guide connection groove 3, and the deflection of the gear ring 2 is controlled by utilizing the limitation of the guide connection groove 3 and the arc groove on the bar rod 53 and the property that the guide connection groove 3 is centrally symmetrical with respect to the gear ring 2, i.e. the bar rod 53 can be controlled to vertically move, so that the purpose that the sliding tube 51 is adjusted by the core tube 52 to drive the half door plate 56 to be opened and closed is achieved.
As shown in fig. 4, in some embodiments, the inner wall of the sliding tube 51 includes a protruding portion for limiting the maximum insertion distance of the core tube 52, when the shutter door is fully opened, the distance between the core tube 52 and the protruding portion is just equal to the distance between the air bag 55 and the port of the sliding tube 51, the side wall of the D-shaped groove 57 includes a through portion that is in sealing connection with the air bag 55, when the bar 53 is driven to move towards each other, the bar 53 drives the core tube 52 to move relatively stably without relative movement under the limitation of the strong spring 54, so that the core tube 52 can engage and drive the sliding tube 51 to deflect, and further drive the half door plate 56 to close, after the half door plate 56 is closed, the movement of the core tube 52 is just limited by the protruding portion in the sliding tube 51, and the air bag 55 just abuts the drain tank 62, and then the bar 53 continues to go deep, the air bag 55 is then compressed, and the sealing strip 58 is bulged by the D-shaped groove 57.
As shown in fig. 3-6, in some embodiments, a hollow groove adapted to the duckbill valve 63 is formed in the middle of the rib rod 61, the rib rod 61 is slidably clamped with the bar rod 53, the hollow groove is convenient for ensuring that a sufficient opening degree is obtained when the duckbill valve 63 expands and discharges smoke, the bar rod 53 is limited by the rib rod 61, and the rib rod 61 is fixedly arranged in the ring frame 1, so that the bar rod 53 can be more stable when the driving adjustment half door plate 56 is opened and closed.
As shown in fig. 4, in some embodiments, the drain tank 62 is in rotary sealing connection with the sliding tube 51, the outer diameter of the drain tank 62 is the same as the outer diameter of the sliding tube 51, the rear ends of the drain tank 62, the sliding tube 51 and the half door plate 56 are all covered with aluminum silicate heat insulation and corrosion resistance materials, because the weight of the half door plate 56 is concentrated on the sliding tube 51, the sliding tube 51 is respectively in rotary connection with the ring frame 1 and the drain tank 62, the ring frame 1 and the drain tank 62 jointly decompose acting force on the sliding tube 51, and then the problem that torque is required when the half door plate 56 is regulated at the output end is avoided, so that the baffle door is convenient to open and close quickly, the problem of condensation and water vapor on the low-temperature side when the baffle door is closed can be avoided by using the design of the aluminum silicate heat insulation and corrosion resistance materials, and meanwhile, the problem of smoke backflow of the drain tank 62 can be thoroughly sealed in time and is completely avoided by using the temperature difference formed by using the design.
As shown in fig. 5-7, in some embodiments, the side wall of the valve disc 65 includes a rib section fixedly connected to the half door plate 56, and a movable groove corresponding to the rib section is formed on the surface of the drain tank 62, so that when the half door plate 56 deflects to be closed, the valve disc 65 can be driven together to adjust the valve plate 66, so that the through hole 64 is ensured to be opened, and then, the formation of hot high pressure with the front side of the ring frame 1 is avoided.
As shown in fig. 5-6 and 8, in some embodiments, the high-pressure air tank 68 includes an inlet end formed by two ends of the rib 61 and an outlet end formed by the center of the valve disc 65 penetrating the inner wall of the drainage tank 62, the inlet end is externally connected with a high-pressure air source, the outlet end faces to the rear side of the drainage tank 62, when the ventilation of the drainage tank 62 allows the flue gas to be discharged from front to back, the high-pressure air is simultaneously controlled to be introduced into the high-pressure air tanks 68 on two sides, and as the air is directly discharged from the inner cavity of the drainage tank 62 to the rear end, a negative pressure area is formed at the through hole 64 at the front end according to the venturi effect, so that the flue gas on the front side of the ring frame 1 is continuously sucked, uninterrupted forced smoke discharge can be realized by means of the drainage tank 62, and the problems of small through-flow path of the flue gas discharge channel and the flue gas backflow are avoided when the baffle door is about to be closed.
As shown in fig. 1-4, in some embodiments, the baffle mechanism 5 includes a sliding tube 51 rotatably installed on the upper and lower sides of the inner cavity of the ring frame 1, a core tube 52 engaged and inserted in the sliding tube 51, and a bar 53 slidably clamped in the core tube 52, wherein a strong spring 54 is fixedly connected between the bar 53 and the core tube 52, an air bag 55 is fixedly arranged at the top of the bar 53, a half door plate 56 is fixedly arranged on the side wall of the sliding tube 51, a D-shaped groove 57 is arranged in the center of the half door plate 56, a sealing rubber strip 58 is fixedly arranged at the periphery of the D-shaped groove 57, an elastic arc strip 59 for protecting the sealing rubber strip 58 is slidably clamped at the peripheral edge of the half door plate 56 along the front side direction, specifically, when the half door plate 56 on both sides is folded at the front side by the equipment without blocking smoke, the sealing of the D-shaped groove 57 is mutually extruded between the elastic arc strips 59, the sealing rubber strip 58 in the D-shaped groove 57 is protected, so as to avoid being corroded due to contact with the smoke, when the baffle door is closed, the sealing rubber strips 58 extend outwards to abut against the inner wall of the ring frame 1 to seal after the half door plate 56 is deflected and closed, so that hard extrusion abrasion between the sealing rubber strips 58 and the ring frame 1 is avoided, and as the weight of the half door plate 56 is concentrated on the sliding tube 51 and the sliding tube 51 is respectively connected with the ring frame 1 and the drainage tank 62 in a rotating way, the sliding tube 51 is jointly decomposed by the ring frame 1 and the drainage tank 62, so that the problem that the torque is required to be too large when the half door plate 56 is regulated at the output end is avoided, the quick opening and the quick closing of the baffle door are facilitated, and then when the baffle door is closed, the D-shaped groove 57 is matched with the elastic arc strips 59 to scrape and clean the side wall of the sealing rubber strips 58, so that residues of smoke particles are avoided, the using integrity of the following sealing rubber strips 58 is ensured, and the sealing performance of the baffle door is relatively improved, and the leakage of smoke is fully avoided.
As shown in fig. 4-8, in some embodiments, the smoke exhaust mechanism 6 includes a rib 61, a drain tank 62 fixed at the front end of the rib 61, a duckbill valve 63 fixed at the rear end of the drain tank 62, a through hole 64 penetrating through the front and rear ends of the drain tank 62, and valve plates 65 rotatably installed on the upper and lower sides of the inner cavity of the drain tank 62, valve plates 66 corresponding to the through hole 64 are slidably clamped on the valve plates 65, the valve plates 66 are centrally symmetrical with respect to the drain tank 62, a memory alloy 67 fixedly connected with the valve plates 66 is embedded on the side walls of the valve plates 65, a high-pressure air groove 68 is provided between the drain tank 62 and the rib 61, specifically, by using the smoke exhaust mechanism 6 to assist the baffle mechanism 5 in preventing smoke from flowing backward, when the half door plate 56 is completely sealed to the ring frame 1 channel, a negative pressure area is formed at the front side through hole 64 by using the high-pressure air flow control drain tank 62 according to venturi effect, and then smoke can be forcedly discharged from front to back, when the boiler equipment, dust removing equipment, a system and the like connected to the front side of the ring frame 1 stops working, the smoke can be exhausted, and the extra space can be more conveniently reduced due to the design of the smoke exhaust system, and the smoke exhaust system is more convenient, and the smoke exhaust system is reduced.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides an adjustable quick open-close formula flue gas baffle door, includes ring frame (1), rotates and installs at ring frame (1) outlying ring gear (2), connects groove (3) in leading that the upper and lower both sides of ring gear (2) run through, its characterized in that, ring frame (1) left end drive install with gear (4) of ring gear (2) meshing, ring frame (1) inner chamber swing joint has baffle mechanism (5) that block the flue gas and flow backward, ring frame (1) inner chamber fixed mounting has fume extractor (6) that are used for getting rid of pipeline flue gas.
2. The adjustable quick-opening and-closing type smoke baffle door is characterized in that the baffle mechanism (5) comprises sliding pipes (51) which are respectively installed on the upper side and the lower side of an inner cavity of the ring frame (1) in a rotating mode, a core pipe (52) which is inserted into the sliding pipes (51) in a meshed mode, and a strip-shaped rod (53) which is connected with the core pipe (52) in a sliding mode in a clamping mode, a powerful spring (54) is fixedly connected between the strip-shaped rod (53) and the core pipe (52), an air bag (55) is fixedly arranged at the top of the strip-shaped rod (53), a half door plate (56) is fixedly arranged on the side wall of the sliding pipe (51), a D-shaped groove (57) is formed in the center of the half door plate (56), and a sealing rubber strip (58) is fixedly arranged on the periphery of the D-shaped groove (57), and an elastic arc strip (59) for protecting the sealing rubber strip (58) is in a sliding mode in the front side direction.
3. The adjustable quick-opening-closing type smoke baffle door according to claim 2, wherein the guide connection groove (3) is centrally symmetrical with respect to the gear ring (2), an arc groove is formed in the side wall of the inner cavity of the guide connection groove (3), the bar-shaped rod (53) is movably clamped with the arc groove, and the bar-shaped rod (53) is slidably connected with the inner wall of the guide connection groove (3).
4. An adjustable quick opening and closing smoke damper according to claim 2, characterized in that the inner wall of the slide tube (51) comprises a protruding part for limiting the maximum insertion distance of the core tube (52), and when the damper is fully opened, the distance between the core tube (52) and the protruding part is just equal to the distance between the air bag (55) and the port of the slide tube (51).
5. An adjustable quick opening and closing smoke damper according to claim 2, characterized in that the side wall of the D-shaped groove (57) comprises a through part in sealing connection with the air bag (55).
6. The adjustable quick-opening-closing type smoke baffle door according to claim 2, wherein the smoke exhausting mechanism (6) comprises a rib rod (61), a drainage tank (62) fixedly arranged at the front end of the rib rod (61), a duckbill valve (63) fixedly arranged at the rear end of the drainage tank (62), through holes (64) penetrating through the front end and the rear end of the drainage tank (62), valve discs (65) rotatably arranged on the upper side and the lower side of an inner cavity of the drainage tank (62), valve plates (66) corresponding to the through holes (64) are slidably clamped on the valve discs (65), the valve plates (66) are centrally symmetrical relative to the drainage tank (62), memory alloy (67) fixedly connected with the valve plates (66) is embedded on the side walls of the valve discs (65), and high-pressure air grooves (68) are formed between the drainage tank (62) and the rib rod (61).
7. The adjustable quick-opening and closing type smoke baffle door according to claim 6, wherein a hollow groove matched with the duckbill valve (63) is formed in the middle of the rib rod (61), and the rib rod (61) is in sliding clamping connection with the bar rod (53).
8. The adjustable quick opening and closing type smoke baffle door according to claim 6, wherein the drainage tank (62) is in rotary sealing connection with the sliding pipes (51), the outer diameter of the drainage tank (62) is the same as the outer diameter of the sliding pipes (51), and the rear ends of the drainage tank (62), the sliding pipes (51) and the half door plates (56) are all covered with aluminum silicate heat insulation and corrosion resistance materials.
9. The adjustable quick opening and closing type smoke baffle door according to claim 6, wherein the side wall of the valve disc (65) comprises a rib section fixedly connected with the half door plate (56), and a movable groove corresponding to the rib section is formed on the surface of the drainage tank (62).
10. The adjustable quick opening and closing smoke damper according to claim 6, wherein the high pressure air tank (68) comprises an inlet end formed by two ends of the rib (61) and an outlet end formed by the inner wall of the drainage tank (62) penetrating through the center of the valve disc (65), the inlet end is externally connected with a high pressure air source, and the outlet end faces to the rear side of the drainage tank (62).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211554264.2A CN117212820A (en) | 2022-12-06 | 2022-12-06 | Adjustable quick-opening and-closing one-piece smoke baffle door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211554264.2A CN117212820A (en) | 2022-12-06 | 2022-12-06 | Adjustable quick-opening and-closing one-piece smoke baffle door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117212820A true CN117212820A (en) | 2023-12-12 |
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ID=89034038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211554264.2A Pending CN117212820A (en) | 2022-12-06 | 2022-12-06 | Adjustable quick-opening and-closing one-piece smoke baffle door |
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| Country | Link |
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| CN (1) | CN117212820A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117803716A (en) * | 2024-03-01 | 2024-04-02 | 江苏丰源船舶工程有限公司 | Watertight air brake for ship and construction method thereof |
-
2022
- 2022-12-06 CN CN202211554264.2A patent/CN117212820A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117803716A (en) * | 2024-03-01 | 2024-04-02 | 江苏丰源船舶工程有限公司 | Watertight air brake for ship and construction method thereof |
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