CN115006954A - Ventilating duct using floating bead fireproof plate and high-temperature flue gas dust removal device - Google Patents

Ventilating duct using floating bead fireproof plate and high-temperature flue gas dust removal device Download PDF

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Publication number
CN115006954A
CN115006954A CN202210940989.9A CN202210940989A CN115006954A CN 115006954 A CN115006954 A CN 115006954A CN 202210940989 A CN202210940989 A CN 202210940989A CN 115006954 A CN115006954 A CN 115006954A
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CN
China
Prior art keywords
pipe
dust removal
flue gas
dust
plate
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CN202210940989.9A
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Chinese (zh)
Inventor
陈兴
沈薇
陈熠锴
周灿兴
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Jiangsu Kuadi Security Group Co ltd
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Jiangsu Kuadi Security Group Co ltd
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Priority to CN202210940989.9A priority Critical patent/CN115006954A/en
Publication of CN115006954A publication Critical patent/CN115006954A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D50/00Combinations of methods or devices for separating particles from gases or vapours
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • B01D46/12Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/66Regeneration of the filtering material or filter elements inside the filter
    • B01D46/68Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
    • B01D46/681Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D50/00Combinations of methods or devices for separating particles from gases or vapours
    • B01D50/60Combinations of devices covered by groups B01D46/00 and B01D47/00
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/25Process efficiency

Abstract

The invention discloses a ventilating duct applying a floating bead fireproof plate and a high-temperature smoke dust removal device. The invention improves the safety and the service life of the device by arranging the fireproof shell, the floating bead fireproof plate is fireproof, high temperature resistant and wear resistant, the smoke gas rapidly expands in the tube body and the flow speed is reduced, the dust absorption ring absorbs particles, meanwhile, part of the particles in the smoke gas are precipitated downwards, the dust particles in the smoke gas can be greatly reduced, the dust removal rate of the smoke gas can reach more than 95 percent by arranging the plurality of layers of filter plates and the fine filter layers, the dust removal operation efficiency is high, the self-cleaning brush can automatically clean the dust left on the outermost side of the plurality of layers of filter plates, the cleaning labor amount is greatly reduced, the four layers of water mist can rapidly absorb the heat of the high-temperature smoke gas by arranging the heat absorption assembly, and the water mist can finally return to the circulating water tank, thereby achieving the purpose of recycling water.

Description

Ventilating duct using floating bead fireproof plate and high-temperature flue gas dust removal device
Technical Field
The invention relates to the technical field of high-temperature flue gas treatment, in particular to a ventilating duct applying a floating bead refractory plate and a high-temperature flue gas dust removal device.
Background
The industrial furnace kiln is widely used for achieving a certain production purpose by using heat energy generated by burning fossil fuel, the fuel of the industrial furnace kiln discharges flue gas after burning, the flue gas is multiphase aerosol consisting of solid, liquid and gas substances, and the main component is CO 2 、H 2 O, CO, NO and soot, wherein soot is one of particulate pollutants, which is one of the important pollutants of the atmosphere, and atmospheric pollution has been increasingly serious directly harming the comfort, health of human body, and even the environment on which human beings live, harmful components in the smoke gas need to be reduced in emission by improving combustion and dust removal. The traditional industrial furnace flue gas dust removal mainly adopts mechanical dust removal, electrostatic dust removal, filtration type bag dust removal, washing type wet dust removal and the like, and because high-temperature flue gas has strong erosion destructive power to equipment and filtration materials of the traditional dust remover, the high-temperature flue gas can also generate the influence of thermal expansion on the structure of the dust remover, and the applicable temperature of the traditional dust remover is low, so that the high-temperature dust removal effect is not good.
In the prior art, the device for online automatic dust removal of high-temperature flue gas, such as chinese patent application CN111151080A, includes a motor, a coupler, a tank body, a tank cover, a supporting seat, and a bearing, which are located above the tank body, the motor is connected with the bearing through the coupler, the lower part of the bearing is connected to a base support frame arranged below the inner part of the tank body, a base is arranged below the tank body, and a chimney is arranged on the tank body; the dust removing device is characterized in that an outer dust removing cylinder, a middle dust removing cylinder and an inner dust removing cylinder are arranged in the tank body, a flower disc is arranged on the upper end face of the outer dust removing cylinder and the upper end face of the middle dust removing cylinder, the outer dust removing cylinder, the middle dust removing cylinder and the inner dust removing cylinder are all hung on the flower disc, the supporting seat is arranged at the lower end of the bearing, a disc is arranged on the supporting seat, and a dust removing part perpendicular to the disc is arranged on the disc. The invention is different from the array type dust removal bag or dust removal net structure in the prior art, the area of the dust removal net (dust removal cylinder) is larger, the dust removal efficiency of the tank body with the same volume is higher, the effect is better, and the use area of the dust removal device on a skid-mounted platform can be effectively reduced.
The existing dust removal device mainly adopts a dust removal filter to remove dust when removing dust from high-temperature flue gas, but the single dust removal filter is difficult to completely remove particulate matters in the flue gas at one time, so that particulate matters are remained; for the dust removal of high-temperature flue gas with the temperature of more than 200 ℃, a method of firstly cooling and then removing dust by using a traditional dust remover is mainly adopted at present, but the existing water cooling has low waste heat recovery efficiency after the temperature is reduced, the heat loss is large, meanwhile, the complexity of a dust removal system is increased by the water cooling, the temperature reduction effect is not good, and aiming at the problems, the ventilating duct applying the floating bead fire-resistant plate and the high-temperature flue gas dust removal device are provided.
Disclosure of Invention
The invention aims to provide a ventilating duct applying a floating bead fire-resistant plate and a high-temperature flue gas dust removal device, which aim to solve the problems that the existing ventilating duct applying the floating bead fire-resistant plate and the high-temperature flue gas dust removal device proposed by the background art mainly adopt a dust removal filter for dust removal, but particulate matters in the flue gas are difficult to clean after being retained on a filter bed, and the existing dust removal device has low dust removal efficiency and is difficult to achieve the required dust removal effect; for the dust removal of high-temperature flue gas with the temperature of more than 200 ℃, the method of firstly cooling and then removing dust by using a traditional dust remover is mainly adopted at present, but the problems that the waste heat recovery efficiency is low after the temperature is reduced by the existing water cooling, the heat loss is large, the complexity of a dust removal system is increased by the water cooling and the temperature is reduced, and the temperature reduction effect is not good are solved, the invention has the advantages that the fire-resistant shell is arranged, the floating bead fire-resistant plate is fire-resistant, high-temperature resistant and wear-resistant, the safety and the service life of the device are improved, the flue gas rapidly expands in the tube body, the flow speed is reduced, the dust absorption ring absorbs particles, meanwhile, partial particles in the flue gas are downwards precipitated, the dust particles in the flue gas can be greatly reduced, the dust removal rate of the flue gas can reach more than 95 percent by arranging the plurality of filter plates and the fine filter layers, the dust removal operation efficiency is high, and the self-cleaning brush can automatically clean the dust left on the outermost side of the plurality of the filter plates, the clean amount of labour has alleviateed greatly, through setting up the heat absorption subassembly, the heat of high temperature flue gas is absorbed fast to four layers of water smoke, and water smoke can get back to the circulating water tank at last simultaneously, reaches the purpose of circulated water.
In order to achieve the purpose, the invention provides the following technical scheme: an air duct and a high-temperature flue gas dust removal device applying a floating bead fire-resistant plate, which comprises a fixed base, a supporting column, an air duct and a dust and heat absorption device, wherein one end of the air duct is fixedly communicated with one end of the dust and heat absorption device, the air duct comprises a first fire-resistant shell, a second fire-resistant shell, a dust removal pipeline and a conduit, one end of the dust removal pipeline is fixedly communicated with one end of the conduit, the other end of the dust removal pipeline is fixedly communicated with a smoke inlet pipe, the dust removal pipeline comprises a first connecting pipe, a second connecting pipe, a pipe body, a filter screen, an installation ring, a telescopic rod, an extension plate, a motor, a limiting rod and a driving rod, one end of the pipe body is fixedly communicated with one end of the first connecting pipe, the other end of the pipe body is fixedly communicated with one end of the second connecting pipe, a dust suction ring is arranged on the inner wall of the pipe body, and the inner side of one end of the pipe body is fixedly connected with the outer wall of the filter screen, and the inboard outer wall fixed mounting with the collar of the other end of body, the bilateral symmetry of collar rotates and is connected with two movable blocks, the outside fixed mounting of the one end of telescopic link and movable block, the other end of telescopic link and the one end fixed connection of actuating lever, the dust removal heat sink includes high-efficient dust removal case, a heat absorption section of thick bamboo, circulating water tank and play tobacco pipe, high-efficient dust removal case includes box, fine filtration layer, multilayer filter plate, collection dirt frame and self-cleaning brush, the inboard outside fixed mounting with the fine filtration layer of one end of box, and the inboard fixed mounting of the other end inboard of box and multilayer filter plate, two electric putter of one side both ends symmetry fixed connection of multilayer filter plate, electric putter's top fixed connection has drive assembly, the inboard sliding connection of both ends and electric putter of self-cleaning brush, the heat absorption section of thick bamboo includes barrel body, Lead to tobacco pipe, water pipe, conveyer pipe and inner tube, one side of water pipe evenly is provided with four heat absorption subassemblies, the heat absorption subassembly includes flow pipe, wet return and collecting ring board, the one end of flow pipe is provided with the atomizer, the other end of flow pipe and the fixed intercommunication in one side of water pipe, the one end of collecting ring board and the fixed intercommunication in one end of wet return.
Preferably, the bottom of the water pipe is provided with a water pump, one end of the conveying pipe is fixedly connected with one end of the water pump, the top of the cylinder body is fixedly communicated with the bottom of the smoke passing pipe, and the bottom of the cylinder body is fixedly connected with the bottom of the inner cylinder.
Preferably, the bottom of barrel and unable adjustment base's one end top fixed mounting, the one end of conveyer pipe and one side fixed intercommunication of circulation tank, circulation tank's bottom and unable adjustment base's one end top fixed mounting.
Preferably, two mounting ends are symmetrically arranged at two ends of the box body, three sealing partition plates are uniformly and fixedly connected to the bottom of the multilayer filter plate, the bottom of the multilayer filter plate is movably mounted on the top of the dust collection frame, and one side of the self-cleaning brush is connected with one side of the multilayer filter plate in a sliding mode.
Preferably, one end of the fixed base is fixedly mounted at the bottom of the supporting column, one side of the bottom end of the cylinder is fixedly communicated with one end of the smoke outlet pipe, one end of one of the mounting ends is fixedly communicated with the other end of the smoke outlet pipe, and one end of the other mounting end is fixedly communicated with one end of the smoke inlet pipe.
Preferably, the outer wall of the first connecting pipe is fixedly installed with the inner wall of the first fireproof shell, the outer wall of the second connecting pipe is fixedly installed with the inner wall of the second fireproof shell, and two stop blocks are symmetrically and fixedly connected to one end of the mounting ring.
Preferably, the number of extension board is two, two the one end top of extension board and the bottom fixed mounting of motor, the one end bottom of extension board and unable adjustment base's top fixed connection, two fixed cylinders of the one end bilateral symmetry fixedly connected with of body.
Preferably, one end of the fixed cylinder is provided with a rubber sealing ring, a sliding groove is formed in one end of the bottom of the extension plate, a rotating block is arranged at the other end of the bottom of the extension plate, and one end of the bottom of the extension plate is fixedly installed on the top of the limiting rod.
Preferably, the inboard of gag lever post and the outer wall sliding connection of actuating lever, the one end of turning block is rotated and is connected with the connecting rod, the other end of turning block and the bottom swing joint of motor.
Preferably, one end of the connecting rod is rotatably connected with a sliding rod, one end of the sliding rod is slidably connected with the inner side of the sliding groove, and one end of the driving rod is movably connected with one end of the sliding rod.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the fire-resistant shell is arranged, the first fire-resistant shell and the second fire-resistant shell are made of floating bead fire-resistant plate materials, and the floating bead fire-resistant plate has the advantages of fire resistance, high temperature resistance, wear resistance and no toxicity, so that the safety of the device is improved, and the service life of the device is prolonged.
2. In the invention, through arranging the ventilating duct, the smoke enters the pipe body from the first connecting pipe, when the movable blocks rotate inwards, the two movable blocks move oppositely to reduce the port of the pipe body, thereby reducing the amount of the flue gas entering the pipe body, keeping the internal space of the pipe body unchanged, rapidly expanding the flue gas and reducing the flow velocity of the flue gas, and then the flow velocity of the smoke in contact with the dust absorption ring is lower, the time of the smoke in contact with the dust absorption ring is prolonged, the possibility of the particles in the smoke being absorbed by the dust absorption ring is higher, the absorption efficiency of the dust absorption ring is increased, meanwhile, due to the expansion of the smoke, the smoke is subjected to the action of an outward force and is enriched on the annular outer ring of the dust collection ring, so that the adsorption effect of the direct contact surface of the dust collection ring and the smoke is effectively ensured, and the adsorption efficiency of the dust collection ring is ensured, so that the smoke finishes the first-step dust removal process under the high-efficiency adsorption action of the dust collection ring; and in the in-service use, the degree that opens and shuts of movable block to can adjust the flue gas volume that gets into in the body, match with the particulate matter content in the actual flue gas, in order to reach best adsorption effect.
3. According to the invention, the efficient dust removal box is arranged, particulate matter dust in smoke can be filtered layer by the three layers of filter plates, dust left on the outermost side of the multiple layers of filter plates can be automatically cleaned by the self-cleaning brush, the cleaning labor amount is greatly reduced, a small amount of residual impurities in the smoke are filtered by the fine filter layer at last, the dust removal rate of the smoke can reach more than 95% through preliminary filtration of the ventilation pipeline and efficient dust removal of the efficient dust removal box, the pollution to the atmospheric environment is greatly reduced, the energy is saved, the environment is protected, and the overall operation efficiency is high.
4. According to the invention, through arranging the air pipeline and the efficient dust removal box, smoke and dust are preliminarily adsorbed under the preliminary filtration of the air pipeline, so that dust particles in smoke are greatly reduced, then, through the efficient dust removal box, a small amount of residual impurities in the smoke are filtered, and through the preliminary filtration of the air pipeline and the efficient dust removal of the efficient dust removal box, the dust removal rate of the smoke can reach more than 95%, the pollution to the atmospheric environment is greatly reduced, the energy is saved, the environment is protected, and the overall operation efficiency is high.
5. According to the invention, the heat absorption component is arranged, the circulating water reaches the atomizing nozzle through the water supply pipe, the atomizing nozzle atomizes the circulating water into fine water mist and then sprays the fine water mist to the periphery of the top, gas can contact the water mist when passing through four layers of water mist, the water mist absorbs the heat of high-temperature flue gas to achieve the purpose of rapid heat absorption, meanwhile, the water mist finally returns to the circulating water tank through the water return pipe to achieve the purpose of circulating water, meanwhile, the heat exchanger is arranged in the circulating water tank, the heat energy of the returned hot circulating water can be recycled, and the utilization rate of energy is improved.
Drawings
FIG. 1 is a perspective view of a ventilation duct and a high temperature flue gas dust removal device using a floating bead refractory plate according to the present invention;
FIG. 2 is a top view of a ventilating duct and a high temperature flue gas dust removal device using a floating bead refractory plate according to the present invention;
FIG. 3 is a schematic structural diagram of a ventilation duct using a floating bead refractory plate and a ventilation duct of a high-temperature flue gas dust removal device according to the present invention;
FIG. 4 is a schematic view of the internal structure of a ventilating duct using a floating bead refractory plate and a dust removal duct of a high-temperature flue gas dust removal device according to the present invention;
FIG. 5 is an enlarged detail view of the portion A in FIG. 4 of a ventilation duct and a high temperature flue gas dust removal device using a floating bead refractory plate according to the present invention;
FIG. 6 is a schematic bottom view of a ventilation duct and a dust removal duct of a high temperature flue gas dust removal device using a floating bead refractory plate according to the present invention;
FIG. 7 is a front sectional view of an air duct and a high-efficiency dust removing box of a high-temperature flue gas dust removing device using a floating bead refractory plate according to the present invention;
FIG. 8 is a side sectional view of a ventilating duct and a heat absorbing cylinder of a high temperature flue gas dust removal device using a floating bead refractory plate according to the present invention;
fig. 9 is a schematic structural view of a ventilation duct and a heat absorption assembly of a high-temperature flue gas dust removal device using a floating bead refractory plate according to the present invention.
In the figure:
1. a fixed base; 2. a support pillar; 3. a ventilation duct; 31. a first refractory casing; 32. a dust removal pipeline; 321. a first connecting pipe; 322. a pipe body; 323. a second connecting pipe; 324. filtering with a screen; 325. a dust collecting ring; 326. a stopper; 327. a mounting ring; 328. a motor; 329. an extension plate; 3210. a movable block; 3211. a fixed cylinder; 3212. a telescopic rod; 3213. a rubber seal ring; 3215. rotating the block; 3216. a connecting rod; 3217. a slide bar; 3218. a drive rod; 3219. a chute; 3220. a limiting rod; 33. a second refractory shell; 34. a smoke inlet pipe; 35. a conduit; 4. a dust-removing heat-absorbing device; 41. a high-efficiency dust removal box; 411. installing an end head; 412. a box body; 413. a fine filtration layer; 414. a plurality of layers of filter plates; 415. sealing the partition plate; 416. a dust collection frame; 417. a drive assembly; 418. self-cleaning; 419. an electric push rod; 42. a heat absorbing cylinder; 421. ventilating a smoke pipe; 422. a barrel; 423. a water pipe; 424. a heat sink assembly; 425. a delivery pipe; 426. a water pump; 427. an inner barrel; 4241. a water supply pipe; 4242. a water return pipe; 4243. a water collecting ring plate; 4244. an atomizing spray head; 43. a circulating water tank; 44. and (4) discharging the smoke pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to FIGS. 1-9: a ventilating duct and high-temperature smoke dust removal device applying a floating bead fire-resistant plate comprises a fixed base 1, support columns 2, a ventilating duct 3 and a dust removal and heat absorption device 4, wherein one end of the ventilating duct 3 is fixedly communicated with one end of the dust removal and heat absorption device 4, and the ventilating duct 3 comprises a first fire-resistant outer shell 31, a second fire-resistant outer shell 33, a dust removal pipeline 32 and a guide pipe 35;
the first fire-resistant shell 31 and the second fire-resistant shell 33 are made of floating bead fire-resistant plates, wherein the floating bead fire-resistant plates are of a layered structure and sequentially comprise a 1.0mm galvanized steel plate, a 30mm rock wool plate (80 kg/m), a 20mm floating bead plate and a 0.5mm thick color steel plate (the fire-resistant performance of the fire-resistant plate is 180min and the detection report number is 2021211104 through GB/T17428-;
one end of the dust removing pipeline 32 is fixedly communicated with one end of the guide pipe 35, the other end of the dust removing pipeline 32 is fixedly communicated with the smoke inlet pipe 34, the dust removing pipeline 32 comprises a first connecting pipe 321, a second connecting pipe 323, a pipe body 322, a filter screen 324, a mounting ring 327, a telescopic rod 3212, an extension plate 329, a motor 328, a limit rod 3220 and a driving rod 3218, one end of the pipe body 322 is fixedly communicated with one end of the first connecting pipe 321, the other end of the tube body 322 is fixedly communicated with one end of the second connecting tube 323, the inner wall of the tube body 322 is provided with a dust suction ring 325, the inner side of one end of the tube body 322 is fixedly connected with the outer wall of the filter screen 324, the inner side of the other end of the pipe body 322 is fixedly mounted with the outer wall of the mounting ring 327, two movable blocks 3210 are symmetrically and rotatably connected to two sides of the mounting ring 327, one end of a telescopic rod 3212 is fixedly mounted with the outer side of the movable block 3210, and the other end of the telescopic rod 3212 is fixedly connected with one end of a driving rod 3218;
the motor 328 can drive the bottom rotating block 3215 to rotate, the rotating block 3215 then drives the sliding rod 3217 to slide left and right through the connecting rod 3216, one end of the sliding rod 3217 is rotatably connected with the connecting rod 3216, the other end of the sliding rod 3217 slides in the sliding slot 3219, the sliding rod 3217 can only slide left and right in the sliding slot 3219, the sliding rod 3217 cannot move in other directions, thereby driving the driving rod 3218 and the telescopic rod 3212 to extend and retract left and right regularly, the smoke enters the pipe body 322 from the connecting pipe one 321, when the moving block 3210 rotates inward, the two moving blocks 3210 move in opposite directions to reduce the port of the pipe body 322, so that the smoke volume entering the pipe body 322 is reduced, meanwhile, the space inside the pipe body 322 is unchanged, the smoke expands rapidly and the smoke flow rate is reduced, and the smoke flow rate in contact with the dust absorption ring 325 is lower, relatively speaking, the time for the smoke to contact with the dust absorption ring 325 is prolonged, and the particulate matters in the smoke are more likely to be absorbed by the dust absorption ring 325, the adsorption efficiency of the dust absorption ring 325 is increased, and meanwhile, due to the expansion of the smoke, the smoke is enriched on the annular outer ring of the dust absorption ring 325 under the action of an outward force, so that the adsorption effect of the direct contact surface of the dust absorption ring 325 and the smoke is effectively ensured, the adsorption efficiency of the dust absorption ring 325 is ensured, and the smoke finishes the first-step dust removal process under the efficient adsorption action of the dust absorption ring 325; in addition, in actual use, the opening and closing degree of the movable block 3210 (controlled by the distance of the movable block 3210 moving in opposite directions) can be adjusted to adjust the amount of flue gas entering the pipe body 322, and the flue gas amount is matched with the content of particulate matters in the actual flue gas, so as to achieve the best adsorption effect.
The dust and heat removal device 4 comprises a high-efficiency dust removal box 41, a heat absorption barrel 42, a circulating water tank 43 and a smoke outlet pipe 44, wherein the high-efficiency dust removal box 41 comprises a box body 412, a fine filter layer 413, a multi-layer filter plate 414, a dust collection frame 416 and a self-cleaning brush 418, the inner side of one end of the box body 412 is fixedly installed with the outer side of the fine filter layer 413, the inner side of the other end of the box body 412 is fixedly installed with the inner side of the multi-layer filter plate 414, two electric push rods 419 are symmetrically and fixedly connected with two ends of one side of the multi-layer filter plate 414, the top of the electric push rods 419 is fixedly connected with a driving component 417, and two ends of the self-cleaning brush 418 are slidably connected with the inner sides of the electric push rods 419;
the driving component 417 can drive the self-cleaning brush 418 to reciprocate up and down through the electric push rod 419, so that dust left on the outermost side of the multi-layer filter plates 414 can be automatically cleaned, the box body 412 does not need to be disassembled for cleaning each time, and the cleaning labor amount is greatly reduced;
the heat absorption barrel 42 comprises a barrel body 422, a smoke through pipe 421, a water pipe 423, a delivery pipe 425 and an inner barrel 427, wherein four heat absorption components 424 are uniformly arranged on one side of the water pipe 423, each heat absorption component 424 comprises a water supply pipe 4241, a water return pipe 4242 and a water collection annular plate 4243, one end of the water supply pipe 4241 is provided with an atomizing nozzle 4244, the other end of the water supply pipe 4241 is fixedly communicated with one side of the water pipe 423, and one end of the water collection annular plate 4243 is fixedly communicated with one end of the water return pipe 4242;
the water pump 426 conveys circulating water in the circulating water tank 43 into a water pipe 423 through a conveying pipe 425, the water pipe 423 conveys the circulating water into the heat absorption assembly 424 respectively, the circulating water reaches an atomizing nozzle 4244 through a water conveying pipe 4241, and the atomizing nozzle 4244 atomizes the circulating water into fine water mist to be sprayed to the periphery of the top.
According to fig. 9, a water pump 426 is arranged at the bottom end of the water pipe 423, one end of the delivery pipe 425 is fixedly connected with one end of the water pump 426, the top of the cylinder 422 is fixedly communicated with the bottom of the smoke ventilation pipe 421, the bottom of the cylinder 422 is fixedly connected with the bottom of the inner cylinder 427, the water pump 426 delivers the circulating water in the circulating water tank 43 into the water pipe 423 through the delivery pipe 425, and the water pipe 423 delivers the circulating water into the heat absorption assembly 424 respectively.
As shown in fig. 1, 8 and 9, the bottom of the cylinder 422 is fixedly mounted on the top of one end of the fixing base 1, one end of the delivery pipe 425 is fixedly communicated with one side of the circulating water tank 43, the bottom of the circulating water tank 43 is fixedly mounted on the top of one end of the fixing base 1, and a heat exchanger is arranged in the circulating water tank 43, so that the heat energy of the returned hot circulating water can be recycled, and the utilization rate of energy is improved.
According to the illustration in fig. 7, two mounting ends 411 are symmetrically arranged at two ends of the box 412, three sealing partition plates 415 are uniformly and fixedly connected to the bottoms of the multiple layers of filter plates 414, the bottoms of the multiple layers of filter plates 414 are movably mounted on the top of the dust collection frame 416, one side of the self-cleaning brush 418 is slidably connected to one side of the multiple layers of filter plates 414, the sealing partition plates 415 can prevent dust passing through the multiple layers of filter plates 414 from drifting into smoke again, the self-cleaning brush 418 can automatically clean dust left on the outermost sides of the multiple layers of filter plates 414, and the cleaning labor amount is reduced.
According to fig. 1, 2 and 7-9, one end of the fixing base 1 is fixedly installed with the bottom of the supporting column 2, one side of the bottom end of the cylinder 422 is fixedly communicated with one end of the smoke outlet pipe 44, one end of one of the installing ends 411 is fixedly communicated with the other end of the smoke outlet pipe 44, one end of the other installing end 411 is fixedly communicated with one end of the smoke inlet pipe 34, the fixing base 1 mainly plays a role of supporting and fixing, and the installing ends 411 play a role of communicating the smoke inlet pipe 34 and the smoke outlet pipe 44 at two ends.
As shown in fig. 2 to 6, the outer wall of the first connecting pipe 321 is fixedly mounted to the inner wall of the first refractory casing 31, the outer wall of the second connecting pipe 323 is fixedly mounted to the inner wall of the second refractory casing 33, two stoppers 326 are symmetrically and fixedly connected to one end of the mounting ring 327, and the mounting ring 327 facilitates the inward or outward rotation of the movable blocks 3210 at both ends.
According to fig. 1-6, the number of the extension plates 329 is two, the top of one end of each of the two extension plates 329 is fixedly mounted with the bottom of the motor 328, the bottom of one end of each of the extension plates 329 is fixedly connected with the top of the fixed base 1, two fixed cylinders 3211 are symmetrically and fixedly connected with the two sides of one end of the tube body 322, the extension plates 329 are used for fixing the top motor 328, the motor 328 can drive the bottom rotating block 3215 to rotate, and the rotating block 3215 drives the sliding rod 3217 to slide left and right through the connecting rod 3216.
According to fig. 3-6, one end of the fixed cylinder 3211 is provided with a rubber sealing ring 3213, one end of the bottom of the extension plate 329 is provided with a sliding slot 3219, the other end of the bottom of the extension plate 329 is provided with a rotating block 3215, one end of the bottom of the extension plate 329 is fixedly mounted with the top of the limiting rod 3220, the rubber sealing ring 3213 can ensure the tightness of the pipe body 322, and ensure the airtightness to meet the requirement, one end of the sliding rod 3217 is rotatably connected with the connecting rod 3216, and the other end of the sliding rod 3217 slides with the sliding slot 3219, so that the sliding rod 3217 can only slide in the sliding slot 3219 left and right, and the sliding rod 3217 cannot move in other directions, thereby driving the driving rod 3218 and the telescopic rod 3212 to extend and retract in a left-right regular manner.
According to fig. 3-6, the inner side of the limiting rod 3220 is slidably connected to the outer wall of the driving rod 3218, one end of the rotating block 3215 is rotatably connected to the connecting rod 3216, the other end of the rotating block 3215 is movably connected to the bottom of the motor 328, and the limiting rod 3220 performs a limiting function, so that the driving rod 3218 is ensured to move in the left-right horizontal direction.
As shown in fig. 3 to 7, one end of the connecting rod 3216 is rotatably connected to a sliding rod 3217, one end of the sliding rod 3217 is slidably connected to an inner side of the sliding slot 3219, one end of the driving rod 3218 is movably connected to one end of the sliding rod 3217, and the connecting rod 3216 functions to connect the sliding rod 3217 and the rotating block 3215, so that the driving rod 3218 and the telescopic rod 3212 can be extended and retracted in a left-right regular manner.
In the invention, the device consists of a fixed base 1, a ventilation pipeline 3 and a dust and heat absorption device 4, wherein the fixed base 1 mainly plays a role in supporting and fixing, high-temperature smoke firstly enters through a guide pipe 35 of the ventilation pipeline 3, is subjected to primary filtering and dust removal through the ventilation pipeline 3, then enters into a high-efficiency dust removal box 41 through a smoke inlet pipe 34 at one end for high-efficiency dust removal, and finally reaches a heat absorption barrel 42 through a smoke outlet pipe 44, absorbs heat through the heat absorption barrel 42 and is finally discharged; the two ends of the pipe body 322 are respectively provided with a first connecting pipe 321 and a second connecting pipe 323, the outer walls of the first connecting pipe 321 and the second connecting pipe 323 are respectively surrounded by a first refractory shell 31 and a second refractory shell 33, the first refractory shell 31 and the second refractory shell 33 are made of floating bead refractory plate materials, and the floating bead refractory plate has the advantages of fire resistance, high temperature resistance, wear resistance and no toxicity; when high-temperature flue gas enters an installation ring 327 in a first connecting pipe 321, a layer of dust collection ring 325 is arranged on the inner wall of the pipe body 322, a filter screen 324 is further added at one end of the dust collection ring 325, a motor 328 can drive a bottom rotating block 3215 to rotate, the rotating block 3215 drives a sliding rod 3217 to slide left and right through a connecting rod 3216, one end of the sliding rod 3217 is rotatably connected with the connecting rod 3216, the other end of the sliding rod 3217 slides in a sliding groove 3219, so that the sliding rod 3217 can only slide left and right in the sliding groove 3219, the sliding rod 3217 cannot move in other directions, so that the driving rod 3218 and the telescopic rod 3212 can be driven to regularly stretch left and right, a rubber sealing ring 3213 is arranged at one end of a fixed cylinder 3211, the rubber sealing ring 3213 can ensure the tightness of the pipe body 322, ensure that the air tightness meets requirements, and finally the movable block 3210 can finish reciprocating inward pushing and outward movement;
the smoke enters the pipe body 322 from the first connecting pipe 321, when the movable blocks 3210 rotate inwards, the two movable blocks 3210 move oppositely to reduce the opening of the pipe body 322, thereby reducing the amount of the flue gas entering the pipe body 322, keeping the internal space of the pipe body 322 unchanged, rapidly expanding the flue gas and reducing the flow rate of the flue gas, and the flow velocity of the flue gas contacting the dust ring 325 is lower, and the time for the flue gas contacting the dust ring 325 is prolonged, and the possibility that the particles in the flue gas are adsorbed by the dust ring 325 is higher, so that the adsorption efficiency of the dust ring 325 is increased, meanwhile, as the smoke expands, the smoke is enriched on the annular outer ring of the dust absorption ring 325 under the action of outward force, the absorption effect of the direct contact surface of the dust absorption ring 325 and the smoke is effectively ensured, the absorption efficiency of the dust absorption ring 325 is ensured, so that the flue gas finishes the first dust removal process under the high-efficiency adsorption action of the dust collection ring 325; in actual use, the opening and closing degree of the movable block 3210 can adjust the amount of flue gas entering the pipe body 322, and the flue gas is matched with the content of particulate matters in the actual flue gas, so that the optimal adsorption effect is achieved;
the subsequent flue gas passes through a filter screen 324, and the filter screen 324 primarily filters and removes dust from the dust particles in the flue gas, so that the dust particles in the flue gas are reduced; the smoke passing through the ventilation pipeline 3 reaches the interior of the box body 412 again, the smoke sequentially passes through three filter plates and a fine filter layer 413 of the multi-layer filter plate 414, the three filter plates can filter particulate dust in the smoke layer by layer, meanwhile, most of the particulate dust can fall downwards into the dust collection frame 416, cleaning is convenient, a self-cleaning brush 418 is arranged on the outermost side of the multi-layer filter plate 414, and the driving assembly 417 can drive the self-cleaning brush 418 to move up and down in a reciprocating mode through an electric push rod 419, so that dust left on the outermost side of the multi-layer filter plate 414 can be automatically cleaned, the box body 412 does not need to be disassembled for cleaning each time, and cleaning labor is greatly reduced; the fine filtering layer 413 filters a small amount of residual impurities of the flue gas finally, the flue gas can be subjected to primary filtering by the ventilating duct 3 and efficient dust removal by the efficient dust removal box 41, the dust removal rate of the flue gas can reach over 95%, the pollution to the atmospheric environment is greatly reduced, the energy is saved, the environment is protected, the overall operation efficiency is high, and the gas subjected to final dust removal reaches the inside of the heat absorption barrel 42; the gas moves from bottom to top, the water pump 426 conveys circulating water in the circulating water tank 43 into a water pipe 423 through a conveying pipe 425, the water pipe 423 conveys the circulating water into the heat absorption assembly 424 respectively, the circulating water reaches the atomizing spray head 4244 through a water conveying pipe 4241, the atomizing spray head 4244 atomizes the circulating water into fine water mist and sprays the fine water mist to the periphery of the top, the gas can contact the water mist when passing through four layers of water mist, the water mist absorbs heat of high-temperature flue gas to achieve the purpose of rapid heat absorption, the final flue gas is discharged outwards through a top smoke pipe 421, meanwhile, the sprayed water mist finally drops into the water collecting annular plate 4243 and returns to the circulating water tank 43 through the water return pipe 4242, the purpose of circulating water is achieved, water resources are saved, meanwhile, a heat exchanger is arranged in the circulating water tank 43, heat energy of the returned hot circulating water can be recycled, and the utilization rate of energy is improved.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims (10)

1. The utility model provides an use air pipe and high temperature flue gas dust collector who floats pearl refractory slab, includes unable adjustment base (1), support column (2), air pipe (3) and dust removal heat sink (4), its characterized in that: one end of the ventilation pipeline (3) is fixedly communicated with one end of the dust removal and heat absorption device (4), and the ventilation pipeline (3) comprises a first refractory casing (31), a second refractory casing (33), a dust removal pipeline (32) and a guide pipe (35);
one end of the dust removing pipeline (32) is fixedly communicated with one end of the guide pipe (35), the other end of the dust removing pipeline (32) is fixedly communicated with a smoke inlet pipe (34), the dust removing pipeline (32) comprises a first connecting pipe (321), a second connecting pipe (323), a pipe body (322), a filter screen (324), a mounting ring (327), an expansion rod (3212), an extension plate (329), a motor (328), a limiting rod (3220) and a driving rod (3218), one end of the pipe body (322) is fixedly communicated with one end of the first connecting pipe (321), the other end of the pipe body (322) is fixedly communicated with one end of the second connecting pipe (323), a dust suction ring (325) is arranged on the inner wall of the pipe body (322), the inner side of one end of the pipe body (322) is fixedly connected with the outer wall of the filter screen (324), the inner side of the other end of the pipe body (322) is fixedly installed with the outer wall of the mounting ring (327), two movable blocks (3210) are symmetrically and rotatably connected with two sides of the mounting ring (327), one end of the telescopic rod (3212) is fixedly mounted on the outer side of the movable block (3210), and the other end of the telescopic rod (3212) is fixedly connected with one end of the driving rod (3218);
the dust and heat removal device (4) comprises a high-efficiency dust removal box (41), a heat absorption barrel (42), a circulating water tank (43) and a smoke outlet pipe (44), wherein the high-efficiency dust removal box (41) comprises a box body (412), a fine filter layer (413), a multi-layer filter plate (414), a dust collection frame (416) and a self-cleaning brush (418), the inner side of one end of the box body (412) is fixedly installed with the outer side of the fine filter layer (413), the inner side of the other end of the box body (412) is fixedly installed with the inner side of the multi-layer filter plate (414), two electric push rods (419) are symmetrically and fixedly connected with two ends of one side of the multi-layer filter plate (414), a driving component (417) is fixedly connected with the top of each electric push rod (419), and two ends of the self-cleaning brush (418) are slidably connected with the inner sides of the electric push rods (419);
the heat absorption barrel (42) comprises a barrel body (422), a smoke through pipe (421), a water pipe (423), a delivery pipe (425) and an inner barrel (427), wherein four heat absorption components (424) are uniformly arranged on one side of the water pipe (423), each heat absorption component (424) comprises a water feeding pipe (4241), a water return pipe (4242) and a water collecting ring plate (4243), an atomizing nozzle (4244) is arranged at one end of the water feeding pipe (4241), the other end of the water feeding pipe (4241) is fixedly communicated with one side of the water pipe (423), and one end of the water collecting ring plate (4243) is fixedly communicated with one end of the water return pipe (4242).
2. The ventilating duct and high-temperature flue gas dust removal device applying the floating bead refractory plate as claimed in claim 1, wherein: the bottom end of the water pipe (423) is provided with a water pump (426), one end of the conveying pipe (425) is fixedly connected with one end of the water pump (426), the top of the cylinder body (422) is fixedly communicated with the bottom of the smoke tube (421), and the bottom of the cylinder body (422) is fixedly connected with the bottom of the inner cylinder (427).
3. The ventilating duct and high-temperature flue gas dust removal device applying the floating bead refractory plate as claimed in claim 1, wherein: the bottom of barrel (422) and the one end top fixed mounting of unable adjustment base (1), the one end of conveyer pipe (425) and the fixed intercommunication of one side of circulating water tank (43), the bottom of circulating water tank (43) and the one end top fixed mounting of unable adjustment base (1).
4. The ventilating duct and high-temperature flue gas dust removal device applying the floating bead refractory plate as claimed in claim 1, wherein: the both ends symmetry of box (412) is provided with two installation ends (411), the even fixedly connected with three sealed baffle (415) in bottom of multilayer filter plate (414), the bottom of multilayer filter plate (414) and the top movable mounting of collection dirt frame (416), from one side sliding connection of one side of scrubbing (418) and multilayer filter plate (414).
5. A ventilating duct and high-temperature flue gas dust removal device applying a floating bead refractory plate as claimed in claim 4, wherein: one end of the fixed base (1) is fixedly installed at the bottom of the supporting column (2), one side of the bottom end of the cylinder body (422) is fixedly communicated with one end of the smoke outlet pipe (44), one end of one installation end (411) is fixedly communicated with the other end of the smoke outlet pipe (44), and one end of the other installation end (411) is fixedly communicated with one end of the smoke inlet pipe (34).
6. The ventilating duct and high-temperature flue gas dust removal device applying the floating bead refractory plate as claimed in claim 1, wherein: the outer wall of the first connecting pipe (321) and the inner wall of the first fireproof shell (31) are fixedly installed, the outer wall of the second connecting pipe (323) and the inner wall of the second fireproof shell (33) are fixedly installed, and two stop blocks (326) are symmetrically and fixedly connected to one end of the mounting ring (327).
7. The ventilating duct and high-temperature flue gas dust removal device applying the floating bead refractory plate as claimed in claim 1, wherein: the number of the extension plates (329) is two, the tops of one ends of the two extension plates (329) are fixedly mounted with the bottom of the motor (328), the bottom of one end of the extension plate (329) is fixedly connected with the top of the fixed base (1), and two fixed cylinders (3211) are symmetrically and fixedly connected with two sides of one end of the pipe body (322).
8. A ventilating duct and high-temperature flue gas dust removal device applying a floating bead refractory plate according to claim 7, wherein: one end of the fixed cylinder (3211) is provided with a rubber sealing ring (3213), one end of the bottom of the extension plate (329) is provided with a sliding groove (3219), the other end of the bottom of the extension plate (329) is provided with a rotating block (3215), and one end of the bottom of the extension plate (329) is fixedly mounted with the top of the limiting rod (3220).
9. A ventilating duct and high-temperature flue gas dust removal device applying a floating bead refractory plate according to claim 8, wherein: the inner side of the limiting rod (3220) is connected with the outer wall of the driving rod (3218) in a sliding manner, one end of the rotating block (3215) is rotatably connected with a connecting rod (3216), and the other end of the rotating block (3215) is movably connected with the bottom of the motor (328).
10. A ventilating duct and high-temperature flue gas dust removal device using a floating bead refractory plate according to claim 9, wherein: one end of the connecting rod (3216) is rotatably connected with a sliding rod (3217), one end of the sliding rod (3217) is slidably connected with the inner side of the sliding groove (3219), and one end of the driving rod (3218) is movably connected with one end of the sliding rod (3217).
CN202210940989.9A 2022-08-08 2022-08-08 Ventilating duct using floating bead fireproof plate and high-temperature flue gas dust removal device Pending CN115006954A (en)

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CN202210940989.9A CN115006954A (en) 2022-08-08 2022-08-08 Ventilating duct using floating bead fireproof plate and high-temperature flue gas dust removal device

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