CN117205727A - Tail gas treatment device - Google Patents
Tail gas treatment device Download PDFInfo
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- CN117205727A CN117205727A CN202311145137.1A CN202311145137A CN117205727A CN 117205727 A CN117205727 A CN 117205727A CN 202311145137 A CN202311145137 A CN 202311145137A CN 117205727 A CN117205727 A CN 117205727A
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- water tank
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 105
- 238000005406 washing Methods 0.000 claims abstract description 48
- 238000006243 chemical reaction Methods 0.000 claims abstract description 43
- 238000001914 filtration Methods 0.000 claims abstract description 33
- 239000000428 dust Substances 0.000 claims abstract description 31
- 238000001035 drying Methods 0.000 claims abstract description 19
- 238000001816 cooling Methods 0.000 claims description 34
- 239000007788 liquid Substances 0.000 claims description 28
- 238000004891 communication Methods 0.000 claims description 17
- 238000009826 distribution Methods 0.000 claims description 13
- 239000007921 spray Substances 0.000 claims description 11
- 238000005260 corrosion Methods 0.000 claims description 9
- 239000000110 cooling liquid Substances 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 3
- 239000007789 gas Substances 0.000 abstract description 104
- 238000002485 combustion reaction Methods 0.000 abstract description 9
- 238000005086 pumping Methods 0.000 abstract description 3
- 239000002341 toxic gas Substances 0.000 abstract description 2
- 238000005192 partition Methods 0.000 description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 150000002500 ions Chemical class 0.000 description 6
- 239000002912 waste gas Substances 0.000 description 6
- 239000002245 particle Substances 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 206010053615 Thermal burn Diseases 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The invention relates to the technical field of tail gas treatment, in particular to a tail gas treatment device, which comprises a water tank, a reaction cavity and a water washing cavity, wherein the top end of the reaction cavity is provided with an air inlet cavity, a plurality of air inlet pipes are arranged on the air inlet cavity, a high-temperature plasma flame generator is arranged on the air inlet cavity, the bottom end of the reaction cavity is communicated with the inside of the water tank, a filtering baffle plate is arranged in the water tank, the bottom end of the water washing cavity is communicated with the inside of the water tank, a circulating pump is arranged on the water tank and is used for pumping water filtered in the water tank to the top end of the water tank to perform primary water washing on dust-containing gas and secondary water washing on the dust-containing gas in the water washing cavity, a gas drying mechanism is arranged at the top end of the water washing cavity, after the combustion reaction of tail gas, the dust-containing gas is repeatedly washed by circulating water, and finally discharged after drying, so that dust and soluble toxic gas in the tail gas are reduced, the device is more energy-saving and environment-friendly, and long in service life, and convenient to maintain.
Description
Technical Field
The invention relates to the technical field of tail gas treatment, in particular to a tail gas treatment device.
Background
Tail gas can be generated in the production and manufacturing processes of solar cells and semiconductors, and the existing tail gas treatment equipment mainly discharges the generated waste gas after combustion and filtration. The main working flow is as follows: the generated waste gas is discharged into a reaction cavity of tail gas treatment equipment through a vacuum pump, natural gas and oxygen are introduced into the reaction cavity according to a proper proportion, the waste gas is converted into nontoxic and harmless gas through a combustion mode, and finally the waste gas is discharged after being washed and dried.
The existing tail gas treatment device generally has the following problems:
(1) The existing waste gas is generally ignited by arranging a high-temperature plasma flame generator, and the burning loss of the anode and the cathode of the high-temperature plasma flame generator is easy to occur due to the higher flame temperature of burning, so that the service life is lower, and the maintenance is more troublesome;
(2) The waste gas after combustion generally contains dust, a water tank is required to be arranged for spraying the dust-containing gas, a circulating pump and a filter screen are arranged on the water tank, the circulating pump pumps filtered water to continuously spray, and in the actual use process, the filter screen in the water tank is easy to block, so that the use is influenced;
(3) The tail gas is generally burnt in the reaction chamber, and the toxic gas that contains in the tail gas easily corrodes the inner wall, reduces the life of reaction chamber, and the dust direct contact cold wall that produces in the combustion process easily produces and condenses and pile up, and it wastes time and energy to clear away, and whole change increases working cost.
Disclosure of Invention
The present invention is directed to an exhaust gas treatment device, which solves the problems set forth in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the tail gas treatment device comprises a water tank, a reaction cavity and a water washing cavity, wherein the reaction cavity and the water washing cavity are arranged on two sides of the top end of the water tank, the top end of the reaction cavity is provided with an air inlet cavity, a plurality of air inlet pipes for introducing tail gas into the inside are arranged on the air inlet cavity, a high-temperature plasma flame generator for igniting the tail gas is arranged on the air inlet cavity, the bottom end of the reaction cavity is communicated with the inside of the water tank, a filtering partition plate for filtering dust is arranged in the inside of the water tank, the bottom end of the water washing cavity is communicated with the inside of the water tank, a circulating pump is arranged on the water tank and is used for pumping water after the filtration in the water tank to the top end of the water tank to perform primary washing and secondary washing on dust-containing gas at the water washing cavity, and a gas drying mechanism is arranged at the top end of the water washing cavity.
Further, the inside of water tank is cut apart into relative independent first filter chamber and second filter chamber through the baffle, reaction chamber and washing chamber set up respectively in first filter chamber top both sides, the inside top of first filter chamber is provided with the baffle that separates reaction chamber and washing chamber both, filter the baffle setting in the inside of second filter chamber, and filter the baffle and cut apart into second cavity and third cavity with the second filter chamber, the bottom that first filter chamber is close to reaction chamber one side is provided with the intercommunication opening with the inside intercommunication of second cavity, be provided with a plurality of spray mouths on the lateral wall of first filter chamber.
Further, the filtering baffle is Z type structure, and the one side that the filtering baffle kept away from the intercommunication opening is provided with the intercommunication breach that makes things convenient for circulating water to flow.
Further, the reaction chamber comprises a cooling chamber, an anti-corrosion layer arranged on the inner side wall of the cooling chamber and a protection inner cavity detachably arranged on the inner side of the anti-corrosion layer.
Further, the high-temperature plasma flame generator comprises an anode seat, an insulating gas distribution disc arranged at the top end of the anode seat, a cathode arranged at the center of the insulating gas distribution disc in a vertical sliding mode through a supporting rod, an anode arranged at the center of the anode seat, and a cooling mechanism for cooling the cathode and the anode, wherein a gas collecting groove is arranged at the bottom end of the insulating gas distribution disc, the cathode extends to the inside of the gas collecting groove, the anode is arranged under the cathode, and an air inlet mechanism for ventilating the inside of the gas collecting groove is arranged on the anode seat.
Further, the fixed plate is installed on the top of insulating gas distribution plate, and the center department rotation of fixed plate is provided with adjusting nut, adjusting nut and bracing piece threaded connection for drive bracing piece reciprocates, then adjusts the interval of negative pole and positive pole.
Further, the middle of the anode is provided with a guide hole, a cylindrical core hole and a conical jet orifice from top to bottom in sequence, the guide hole, the cylindrical core hole and the conical jet orifice are mutually communicated, the outer side wall of the cylindrical core hole is provided with a plurality of radiating fins along the length direction of the cylindrical core hole, and the radiating fins are provided with communication ports convenient for cooling liquid to flow.
Further, the bracing piece is cavity tubular structure, cooling body is including extending to the feed liquor pipe of the inside bottom of bracing piece, the drain pipe of communicating with the bracing piece top and setting up the positive pole cooling chamber between positive pole seat and positive pole, be provided with respectively on the positive pole seat with the inside first inlet and the first liquid outlet of communicating of positive pole cooling chamber, communicate through the connecting pipe between first inlet and the drain pipe.
Further, the inside of washing chamber is provided with a plurality of filter equipment from top to bottom, and each filter equipment all corresponds to be provided with the mouth that sprays.
Further, the gas drying mechanism comprises a connecting pipe communicated with the water washing cavity, a gas valve arranged on the outer side wall of the connecting pipe and an exhaust pipe body arranged at one end of the connecting pipe far away from the water washing cavity, wherein the gas valve is connected with a high-temperature drying gas inlet pipe and used for drying gas in the connecting pipe, the exhaust pipe body is of a vertical tubular structure, and comprises an upper exhaust pipe and a condensate water outlet pipe which are communicated up and down.
Compared with the prior art, the invention has the beneficial effects that: the tail gas treatment device
Through setting up cylindrical core hole and toper jet orifice in the center department of positive pole, the electric ion beats in cylindrical core hole inside, and cylindrical core hole is cylindrical structure, evenly is provided with the fin on its lateral wall, and positive pole heat dissipation is more even, is provided with the intercommunication mouth on the fin simultaneously, makes things convenient for the coolant liquid to flow between each fin, and the cooling is more even, makes the electric ion compression transmission more stable;
through setting up the filtration baffle in the inside of water tank, the filtration baffle is bigger with the inside liquid contact area of water tank, avoids its jam, influences circulating water's circulation, lengthens runner length through the intercommunication breach simultaneously, makes big dust granule can not get into the circulation pump and influences circulating pump's unobstructed, has also ensured the flow guarantee when filtration baffle blocks up;
through setting up the cooling chamber, staff's mistake when can avoiding the reaction chamber inside gas combustion reaction touches and scalds, plays the guard action simultaneously to the anticorrosive coating, avoids the too high temperature to lead to its whereabouts, through can dismantling at the inside wall of anticorrosive coating and be provided with the protection inner chamber, when the protection inner chamber takes place to damage it directly change can, reduce equipment input;
through setting up water tank, reaction chamber, air inlet chamber, intake pipe, high temperature plasma flame generator, washing chamber and gas drying mechanism, carry out the combustion reaction to tail gas after, the rethread circulating water carries out washing many times to the dust-laden gas, discharges after drying at last, reduces dust and soluble poisonous gas in the tail gas, and is more energy-concerving and environment-protective.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic diagram of a water tank in a three-dimensional structure according to the present invention;
FIG. 3 is a schematic cross-sectional view of the water tank of the present invention;
FIG. 4 is a schematic perspective view of a reaction chamber according to the present invention;
FIG. 5 is a schematic cross-sectional view of a reaction chamber according to the present invention;
FIG. 6 is a schematic cross-sectional view of a high temperature plasma flame generator according to the present invention;
FIG. 7 is a schematic diagram showing a perspective structure of a high temperature plasma flame generator according to the present invention;
FIG. 8 is a schematic cross-sectional view of an anode according to the present invention;
FIG. 9 is a schematic view of an anode perspective structure according to the present invention;
fig. 10 is a schematic perspective view of a gas drying mechanism according to the present invention.
In the figure: 1. a water tank; 11. a first filter chamber; 111. a communication opening; 112. a partition plate; 113. a spray port; 114. a filter mesh; 12. a second filter chamber; 121. a second chamber; 122. a third chamber; 2. a reaction chamber; 21. a cooling chamber; 211. a second liquid inlet; 212. a second liquid outlet; 22. an anti-corrosion layer; 23. a protective lumen; 231. a fixed flange ring; 24. a mounting flange; 241. a positioning groove; 3. an air inlet cavity; 4. an air inlet pipe; 5. a high temperature plasma flame generator; 51. an anode base; 511. a first air inlet; 512. an annular air inlet cavity; 513. a first liquid inlet; 514. a first liquid outlet; 515. an anode cooling chamber; 516. a second air inlet; 52. an insulating gas separation disc; 521. a gas collecting tank; 522. an air outlet; 53. a support rod; 531. a liquid inlet pipe; 532. a liquid outlet pipe; 54. a cathode; 55. an anode; 551. a deflector aperture; 552. a cylindrical core hole; 553. a conical ejection port; 554. a heat radiation fin; 555. a communication port; 556. a mounting part; 56. a fixing plate; 561. an adjusting nut; 6. a water washing cavity; 7. a gas drying mechanism; 71. a connecting pipe; 72. a gas valve; 73. an exhaust pipe main body; 731. an upper exhaust pipe; 732. a condensed water outlet pipe; 8. a circulation pump; 9. a filtering baffle; 91. and the notch is communicated.
Detailed Description
In the following description of the embodiments of the present invention, it should be noted that, the descriptions of the terms "first", "second", etc. are only for descriptive purposes, and are not intended to specifically identify the order or order of the aspects of the present invention, but are merely for distinguishing components or operations described in the same technical terms, and are not to be construed as indicating or implying a relative importance or implying any particular order of the features of the embodiments of the present invention, so that the features defining "first", "second", etc. may explicitly or implicitly include at least one such feature. For the purpose of the present description and claims, and any variations thereof, the term "comprising" and any variations thereof as used in the above-described drawings is intended to cover a non-exclusive inclusion.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "configured" are to be construed broadly, and may be, for example, fixedly connected or detachably connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art. In addition, in the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Referring to fig. 1-10, an embodiment of the present invention is provided: the tail gas treatment device comprises a water tank 1, a reaction cavity 2 and a water washing cavity 6 which are arranged on two sides of the top end of the water tank 1, wherein an air inlet cavity 3 is arranged at the top end of the reaction cavity 2, specifically, the air inlet cavity 3 is arranged at the top end of the reaction cavity 2 through an air inlet flange, an oxygen inlet is arranged on the air inlet flange, a plurality of air inlet pipes 4 which are used for introducing tail gas into the interior are arranged on the air inlet cavity 3, in the embodiment, eight air inlet pipes 4 are arranged, and the number of the air inlet pipes is annular and arranged on the peripheral wall of the air inlet cavity 3, and can be set to other numbers as required;
referring to fig. 6 to 7, a high temperature plasma flame generator 5 for igniting exhaust gas is provided on an air intake chamber 3, and the high temperature plasma flame generator 5 is installed at the center of the top end of the air intake chamber 3, the high temperature plasma flame generator 5 includes an anode holder 51, an insulating gas distribution plate 52 installed at the top end of the anode holder 51, a cathode 54 provided at the center of the insulating gas distribution plate 52 by sliding up and down a support rod 53, an anode 55 installed at the center of the anode holder 51, and a cooling mechanism for cooling the cathode 54 and the anode 55, a gas collecting tank 521 is provided at the bottom end of the insulating gas distribution plate 52, the cathode 54 extends to the inside of the gas collecting tank 521, the anode 55 is provided right under the cathode 54,the anode seat 51 is provided with an air intake mechanism for ventilating the inside of the gas collecting channel 521, and when in operation, the cathode 54 and the anode 55 are energized, and electric ions (e - ) Specifically, the bottom end of the insulating gas distribution plate 52 is provided with a protruding part extending downwards, the gas collection groove 521 is arranged at the bottom end of the protruding part, the top end of the anode seat 51 is provided with a groove matched with the protruding part, the protruding part is inserted into the groove, the inner side wall of the groove is provided with an annular gas inlet cavity 512, the anode seat 51 is provided with a first gas inlet 511 communicated with the interior of the annular gas inlet cavity 512 and is used for introducing nitrogen into the interior of the annular gas inlet cavity 512, the side wall of the gas collection groove 521 is penetrated with a plurality of gas outlets 522 communicated with the interior of the annular gas inlet cavity 512, the gas outlets 522 are arranged along the tangent line of the gas collection groove 521, in operation, the nitrogen enters the interior of the annular gas inlet cavity 512 through the first gas inlets 511, then enters the interior of the gas collection groove 521 through the gas outlets 522 along the tangent line, and then is rotated downwards to push the ionizer to form a plasma flame for external jet flow, a stable gas isolation film can be formed, and simultaneously the rotating gas flow plays a compression role on the ion flame, so that the plasma flame moves along the center of the rotating gas flow, and the burning loss of the anode 55 is reduced;
referring to fig. 6, in the present embodiment, a fixing plate 56 is mounted at the top end of an insulating gas distribution plate 52, an adjusting nut 561 is rotatably disposed at the center of the fixing plate 56, and the adjusting nut 561 is in threaded connection with a supporting rod 53, and is used for driving the supporting rod 53 to move up and down, so as to adjust the distance between the cathode 54 and the anode 55, and when the cathode 54 is burnt, the ignition distance is conveniently adjusted without disassembling and assembling the high temperature plasma flame generator 5;
referring to fig. 8-9, a diversion hole 551, a cylindrical core hole 552 and a conical injection hole 553 are sequentially arranged in the middle of the anode 55 from top to bottom, the diversion hole 551, the cylindrical core hole 552 and the conical injection hole 553 are mutually communicated, specifically, the diversion hole 551 is of a conical structure with a big top and a small bottom, so that electric ions can conveniently enter the inside of the cylindrical core hole 552, the inside of the cylindrical core hole 552 becomes an electric field for generating the electric ions, the conical injection hole 553 is of a conical structure with a big top and a big bottom, so that flames are injected out to the periphery, a plurality of heat dissipation fins 554 are arranged on the outer side wall of the cylindrical core hole 552 along the length direction, and communication ports 555 for facilitating the flow of cooling liquid are arranged on the outer side wall of the cylindrical core hole 552, in this embodiment, the communication ports 555 are formed between the channels for accommodating the cooling liquid flow, in this embodiment, the communication ports 555 on two adjacent heat dissipation fins 554 are in different directions, the thickness of the cylindrical core hole 552 is uniform, so that the burning loss of the anode 55 is uniform, and the service life of the anode 55 is prolonged;
referring to fig. 6, the supporting rod 53 is of a hollow tubular structure, the cooling mechanism includes a liquid inlet tube 531 extending to the bottom end of the inside of the supporting rod 53, a liquid outlet tube 532 communicating with the top end of the supporting rod 53, and an anode cooling cavity 515 disposed between the anode holder 51 and the anode 55, the anode holder 51 is respectively provided with a first liquid inlet 513 and a first liquid outlet 514 communicating with the inside of the anode cooling cavity 515, the first liquid inlet 513 is communicated with the liquid outlet tube 532 through a connecting tube, specifically, the bottom end of the anode holder 51 is provided with a cylindrical groove, the top end of the anode 55 abuts against the top end of the groove after being inserted into the inside of the groove, the bottom end of the anode 55 is provided with a mounting portion 556, and the mounting portion 556 abuts against the bottom end of the groove and is fixedly mounted with the anode holder 51 through bolts, so that a closed annular anode cooling cavity 515 is formed between the anode 55 and the groove, the anode cooling cavity 515 is disposed at the outer side of the cylindrical core hole 552, the anode 55 is more uniformly cooled, when the inside diameter of the supporting rod 53 is larger than the outer diameter of the liquid inlet tube 531, after the inside of the supporting rod 53 is first filled with the inside the supporting rod 53 through the liquid inlet tube 531, and then the inside the cathode cavity is discharged through the gap between the inner side wall of the supporting rod 53 and the top end of the liquid inlet tube 531, the cathode cavity is reciprocally cooled by the cathode cavity 55, the cathode cavity is discharged through the cathode cavity and the cathode cavity 55, the cathode cavity is reciprocally cooled by the cathode cavity 55, the cathode cavity is discharged through the cathode cavity and the cathode cavity, the cathode cavity 55, the cathode cavity is reciprocally cooled cavity and the cathode cavity is cooled, the cathode cavity and the cathode cavity is reciprocally cooled cavity 55 and the cathode cavity is cooled cavity 55;
referring to fig. 6-7, in the present embodiment, a second air inlet 516 is provided on an anode seat 51, a through hole communicating with the second air inlet 516 is provided on a mounting portion 556 on an anode 55, the anode seat 51 is connected with the top end of the air inlet cavity 3 through a connecting seat (not shown in the figure), nitrogen is introduced into the second air inlet 516 during operation, and is discharged downwards through the through hole on the mounting portion 556 to form a gas isolation film, thereby playing an isolating role and reducing burning loss of other components;
referring to fig. 1, the bottom end of a reaction chamber 2 is communicated with the inside of a water tank 1, a filtering baffle 9 for filtering dust is arranged in the water tank 1, the bottom end of a washing chamber 6 is communicated with the inside of the water tank 1, a circulating pump 8 is arranged on the water tank 1, and the circulating pump 8 is used for pumping water filtered in the water tank 1 to the top end of the water tank 1 to perform primary washing on dust-containing gas and performing secondary washing on the dust-containing gas at the position of the washing chamber 6;
referring to fig. 2-3, the interior of the water tank 1 is divided into a first filter cavity 11 and a second filter cavity 12 which are relatively independent through a partition board, the reaction cavity 2 and the water washing cavity 6 are respectively arranged at two sides of the top end of the first filter cavity 11, a transparent observation window is arranged on the front surface of the first filter cavity 11, the interior condition is convenient to check, a dosing port and a cleaning port are arranged at the top end of the water tank 1, a partition board 112 for separating the reaction cavity 2 from the water washing cavity 6 is arranged at the top end of the interior of the first filter cavity 11, a filter partition board 9 is arranged in the interior of the second filter cavity 12, a plurality of filter holes are formed in the filter partition board 9, the second filter cavity 12 is divided into a second cavity 121 and a third cavity 122 by the filter partition board 9, a plurality of spray ports 113 are arranged on the side wall of the first filter cavity 11, which is close to the bottom end of one side of the reaction cavity 2, at the moment, circulating water in the interior of the water tank 1 is pumped to the spray ports 113, primary dust-containing gas is carried by the circulating pump 8, most of the gas generated by combustion of the reaction cavity 2 falls to the first filter cavity 8, then the circulating water is carried by the circulating water in the second filter cavity 8 to the third filter cavity 122, and the dust is pumped to the third filter cavity 122, and the dust is repeatedly circulated to the filter cavity 122 flows to the filter cavity is filtered and the filter cavity is finally filtered and the dust-carrying water is filtered and the dust is circulated to the filter cavity is filtered;
referring to fig. 3, the filtering baffle 9 has a Z-shaped structure, specifically includes three filtering baffles connected end to end, has a large contact area with the inside of the water tank 1, is not easy to be blocked, and is provided with a communication gap 91 which is convenient for circulating water to flow on one side of the filtering baffle 9 away from the communication opening 111, so that when the water tank 1 is not cleaned for a long time, the filtering baffle 9 is blocked, and further plays a role in preventing blocking, specifically, when the filtering baffle 9 is blocked, circulating water in the water tank 1 still can flow through the communication gap 91, the communication gap 91 is arranged on one side away from the communication opening 111, the length of a flow channel is prolonged, large dust particles gradually settle at the bottom end of the water tank 1 in the flowing process of circulating water along with the circulating water, and the dust particles in the circulating water flowing to the communication gap 91 are gradually reduced, so that the large dust particles cannot enter the circulating pump 8 to influence the smoothness of the circulating pump 8, and the flow guarantee when the filtering baffle 9 is blocked;
referring to fig. 4-5, the reaction chamber 2 includes a cooling chamber 21, an anti-corrosion layer 22 disposed on an inner side wall of the cooling chamber 21, and a protection inner chamber 23 detachably mounted on an inner side of the anti-corrosion layer 22, specifically, the reaction chamber 2 has a cylindrical structure penetrating up and down, mounting flanges 24 are disposed at upper and lower ends of the reaction chamber 2 and are respectively mounted and fixed with the air inlet chamber 3 and the water tank 1, a second liquid inlet 211 and a second liquid outlet 212 are respectively disposed on an outer side wall of the cooling chamber 21 for introducing cooling liquid into the cooling chamber 21, thereby avoiding the staff from being scalded due to false contact during gas combustion reaction in the reaction chamber 2, the anti-corrosion layer 22 is specifically a teflon coating, not only resisting high temperature, but also resisting thermal shock and wear, simultaneously having good oil resistance and acid and alkali resistance, further avoiding the inner side wall of the cooling chamber 21 from being corroded, the protection inner cavity 23 is of a cylindrical structure with two through ends, the outer diameter of the protection inner cavity 23 is smaller than the inner diameter of the cooling cavity 21, a gap is reserved between the protection inner cavity 23 and the cooling cavity 21, the protection inner cavity 23 is made of stainless steel, a fixed flange ring 231 is vertically arranged at the top end of the protection inner cavity 23 in an extending mode, a positioning groove 241 which is matched with the fixed flange ring 231 is formed in the mounting flange 24 at the top end of the reaction cavity 2, the protection inner cavity 23 is directly inserted into the inner side of the cooling cavity 21 during mounting, the fixed flange ring 231 is embedded into the positioning groove 241, then the air inlet cavity 3 is directly pressed onto the top end of the reaction cavity 2, and the installation and the fixation of the protection inner cavity 23 are realized through bolts and the installation and the fixation of the mounting flange 24, when the corrosion of the protection inner cavity 23 is serious, the protection inner cavity 23 is directly removed and replaced, and the whole reaction cavity 2 does not need to be replaced;
the inside of the water washing cavity 6 is provided with a plurality of filtering devices (not shown in the figure) from top to bottom, each filtering device is correspondingly provided with a spray opening, the filtering devices are specifically filtering baffle plates and a plurality of pall rings which are arranged on the filtering baffle plates in a staggered manner, the pall rings are of the prior art, the specific structure is not repeated, the pall rings can enlarge the contact area, enable dust to adhere to the pall rings, the cooling effect is good, the spray opening flushes down the dust adhered to the pall rings and falls into the water tank 1, in the embodiment, the side wall of the first filtering cavity 11, which is close to one side of the water washing cavity 6, is provided with a plurality of filtering meshes 114, the liquid is convenient to circulate, and meanwhile, the water at the spray openings 113 can flush the filtering meshes 114 to avoid blocking the filtering meshes 114;
referring to fig. 10, a gas drying mechanism 7 is disposed at the top end of the washing chamber 6, the gas drying mechanism 7 includes a connection pipe 71 communicating with the washing chamber 6, a gas valve 72 disposed on an outer side wall of the connection pipe 71, and an exhaust pipe body 73 disposed at one end of the connection pipe 71 far away from the washing chamber 6, the gas valve 72 may be a pneumatic valve, the gas valve 72 is connected with a high-temperature drying gas inlet pipe for drying gas in the connection pipe 71, the exhaust pipe body 73 is in a vertical tubular structure, the exhaust pipe body 73 includes an upper exhaust pipe 731 and a condensed water outlet pipe 732 which are vertically communicated, the gas after secondary washing is generally higher in humidity, the gas after encountering high-temperature drying is condensed into water, the condensed water is finally discharged downwards through the condensed water outlet pipe 732, and the gas is finally discharged upwards through the upper exhaust pipe 731.
Working principle: during operation, firstly, the tail gas to be treated enters the air inlet cavity 3 through the plurality of air inlet pipes 4 at the same time, then enters the reaction cavity 2 downwards, the high-temperature flame is sprayed out by the high-temperature plasma flame generator 5 to burn the tail gas, dust and soluble gas generated by burning enter the first filter cavity 11 downwards, the circulating pump 8 pumps water in the third cavity 122 to the spraying port 113 to spray dust-containing gas, larger dust particles fall into the first filter cavity 11, part of the dust particles enter the second cavity 121 along with circulating water, after filtration of the filtering partition plate 9, the circulating water enters the third cavity 122, at the moment, part of the dust-containing gas which is not captured enters the water washing cavity 6, the dust-containing gas is subjected to secondary water washing through the water washing cavity 6, finally filtered gas enters the connecting pipe 71, the gas valve 72 is opened, the high-temperature dry gas is introduced into the connecting pipe 71, the gas humidity after water washing is higher, the high-temperature dry gas is condensed into water, finally, the condensed water is discharged downwards through the liquid outlet pipe 732, and finally the condensed water is discharged upwards through the air outlet pipe 731.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. Tail gas treatment device, its characterized in that: including water tank (1) and reaction chamber (2) and washing chamber (6) of setting in water tank (1) top both sides, the top of reaction chamber (2) is provided with inlet chamber (3), be provided with a plurality of intake pipe (4) that let in tail gas to inside on inlet chamber (3), be provided with high temperature plasma flame generator (5) that are used for igniting tail gas on inlet chamber (3), the bottom of reaction chamber (2) communicates with water tank (1) inside, the inside of water tank (1) is provided with filter baffle (9) that carry out filterable dust, the bottom of washing chamber (6) communicates with water tank (1) inside, be provided with circulating pump (8) on water tank (1), circulating pump (8) are used for carrying out primary washing and washing chamber (6) department to dust gas with the top of water tank (1) after the inside filtration, the top of washing chamber (6) is provided with gas drying mechanism (7).
2. The exhaust gas treatment device according to claim 1, characterized in that: the inside of water tank (1) is cut apart into relative independent first filter chamber (11) and second filter chamber (12) through the baffle, reaction chamber (2) and washing chamber (6) set up respectively in first filter chamber (11) top both sides, the inside top of first filter chamber (11) is provided with baffle (112) with reaction chamber (2) and washing chamber (6) both spaced apart, filter baffle (9) set up the inside in second filter chamber (12), and filter baffle (9) cut apart second filter chamber (12) into second cavity (121) and third cavity (122), the bottom that first filter chamber (11) are close to reaction chamber (2) one side is provided with communication opening (111) with the inside intercommunication of second cavity (121), be provided with a plurality of mouths (113) on the lateral wall of spraying first filter chamber (11).
3. The exhaust gas treatment device according to claim 2, characterized in that: the filtering baffle (9) is of a Z-shaped structure, and a communication notch (91) which is convenient for circulating water to flow is formed in one side, away from the communication opening (111), of the filtering baffle (9).
4. The exhaust gas treatment device according to claim 1, characterized in that: the reaction cavity (2) comprises a cooling cavity (21), an anti-corrosion layer (22) arranged on the inner side wall of the cooling cavity (21) and a protection inner cavity (23) detachably arranged on the inner side of the anti-corrosion layer (22).
5. The exhaust gas treatment device according to claim 1, characterized in that: the high-temperature plasma flame generator (5) comprises an anode seat (51), an insulating gas distribution plate (52) arranged at the top end of the anode seat (51), a cathode (54) arranged at the center of the insulating gas distribution plate (52) in an up-down sliding mode through a supporting rod (53), an anode (55) arranged at the center of the anode seat (51) and a cooling mechanism for cooling the cathode (54) and the anode (55), a gas collecting groove (521) is formed in the bottom end of the insulating gas distribution plate (52), the cathode (54) extends to the inside of the gas collecting groove (521), the anode (55) is arranged under the cathode (54), and an air inlet mechanism for ventilating the inside of the gas collecting groove (521) is arranged on the anode seat (51).
6. The exhaust gas treatment device according to claim 5, wherein: the top of the insulating gas distribution plate (52) is provided with a fixed plate (56), the center of the fixed plate (56) is rotatably provided with an adjusting nut (561), and the adjusting nut (561) is in threaded connection with the supporting rod (53) and is used for driving the supporting rod (53) to move up and down so as to adjust the distance between the cathode (54) and the anode (55).
7. The exhaust gas treatment device according to claim 5, wherein: the middle of the anode (55) is sequentially provided with a diversion hole (551), a cylindrical core hole (552) and a conical jet orifice (553) from top to bottom, the diversion hole (551), the cylindrical core hole (552) and the conical jet orifice (553) are mutually communicated, the outer side wall of the cylindrical core hole (552) is provided with a plurality of radiating fins (554) along the length direction of the outer side wall, and the radiating fins (554) are provided with communication ports (555) which are convenient for cooling liquid to flow.
8. The exhaust gas treatment device according to claim 7, wherein: the support rod (53) is of a hollow tubular structure, the cooling mechanism comprises a liquid inlet pipe (531) extending to the bottom end inside the support rod (53), a liquid outlet pipe (532) communicated with the top end of the support rod (53) and an anode cooling cavity (515) arranged between the anode seat (51) and the anode (55), a first liquid inlet (513) and a first liquid outlet (514) which are communicated with the inside of the anode cooling cavity (515) are respectively arranged on the anode seat (51), and the first liquid inlet (513) is communicated with the liquid outlet pipe (532) through a connecting pipe.
9. The exhaust gas treatment device according to claim 1, characterized in that: the inside of washing chamber (6) is provided with a plurality of filter equipment from top to bottom, and each filter equipment all corresponds and is provided with the mouth that sprays.
10. The exhaust gas treatment device according to claim 1, characterized in that: the gas drying mechanism (7) comprises a connecting pipe (71) communicated with the washing cavity (6), a gas valve (72) arranged on the outer side wall of the connecting pipe (71) and an exhaust pipe main body (73) arranged at one end, far away from the washing cavity (6), of the connecting pipe (71), wherein the gas valve (72) is connected with a high-temperature drying gas inlet pipe and used for drying gas in the connecting pipe (71), the exhaust pipe main body (73) is of a vertical tubular structure, and the exhaust pipe main body (73) comprises an upper exhaust pipe (731) and a condensate water outlet pipe (732) which are communicated up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311145137.1A CN117205727A (en) | 2023-09-06 | 2023-09-06 | Tail gas treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311145137.1A CN117205727A (en) | 2023-09-06 | 2023-09-06 | Tail gas treatment device |
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| CN117205727A true CN117205727A (en) | 2023-12-12 |
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| CN202311145137.1A Pending CN117205727A (en) | 2023-09-06 | 2023-09-06 | Tail gas treatment device |
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| KR102122303B1 (en) * | 2019-10-02 | 2020-06-12 | (주)쏠츠 | Exhaust gas treatment device |
| CN112664963A (en) * | 2021-01-20 | 2021-04-16 | 杭州海莱德智能科技有限公司 | Ultralong plasma flame emitter |
| CN113842755A (en) * | 2021-09-25 | 2021-12-28 | 常州诚鉺正环保技术有限公司 | Plasma water cleaning chemical equipment |
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| CN109821373A (en) * | 2019-03-11 | 2019-05-31 | 中南大学 | A kind of plasma emission-control equipment and method |
| CN110505747A (en) * | 2019-09-05 | 2019-11-26 | 河北宝炬新材料科技有限公司 | A kind of laminar flow electric arc plasma generator |
| KR102122303B1 (en) * | 2019-10-02 | 2020-06-12 | (주)쏠츠 | Exhaust gas treatment device |
| CN112664963A (en) * | 2021-01-20 | 2021-04-16 | 杭州海莱德智能科技有限公司 | Ultralong plasma flame emitter |
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