CN117919867B - A filter catalytic combustion device for exhaust-gas treatment - Google Patents
A filter catalytic combustion device for exhaust-gas treatment Download PDFInfo
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- CN117919867B CN117919867B CN202410305875.6A CN202410305875A CN117919867B CN 117919867 B CN117919867 B CN 117919867B CN 202410305875 A CN202410305875 A CN 202410305875A CN 117919867 B CN117919867 B CN 117919867B
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- gas treatment
- combustion device
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- 238000007084 catalytic combustion reaction Methods 0.000 title claims abstract description 30
- 230000003197 catalytic effect Effects 0.000 claims abstract description 96
- 238000012856 packing Methods 0.000 claims abstract description 88
- 239000002912 waste gas Substances 0.000 claims abstract description 24
- 238000001914 filtration Methods 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 36
- 239000007788 liquid Substances 0.000 claims description 28
- 239000007789 gas Substances 0.000 claims description 26
- 238000005338 heat storage Methods 0.000 claims description 24
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 18
- 239000003054 catalyst Substances 0.000 claims description 16
- 239000000919 ceramic Substances 0.000 claims description 12
- 238000009825 accumulation Methods 0.000 claims description 7
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 9
- 238000004064 recycling Methods 0.000 abstract 1
- 239000000945 filler Substances 0.000 description 32
- 238000002485 combustion reaction Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 4
- 241000282414 Homo sapiens Species 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 238000009841 combustion method Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- RWFBQHICRCUQJJ-NUHJPDEHSA-N (S)-nicotine N(1')-oxide Chemical compound C[N+]1([O-])CCC[C@H]1C1=CC=CN=C1 RWFBQHICRCUQJJ-NUHJPDEHSA-N 0.000 description 1
- XQFYGXFPKONEPY-UHFFFAOYSA-N 2,3-diphenylfuran Chemical class O1C=CC(C=2C=CC=CC=2)=C1C1=CC=CC=C1 XQFYGXFPKONEPY-UHFFFAOYSA-N 0.000 description 1
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 1
- YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical compound ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/88—Replacing filter elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/30—Particle separators, e.g. dust precipitators, using loose filtering material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
- F23G7/07—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases in which combustion takes place in the presence of catalytic material
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Incineration Of Waste (AREA)
Abstract
The invention relates to the technical field of waste gas treatment, in particular to a filtering catalytic combustion device for waste gas treatment. The filtering catalytic combustion device for waste gas treatment comprises a rack and a fan arranged on one side of the rack; the catalytic filter cartridge is arranged on the first supporting seat; the packing column is rotationally arranged on the second supporting seat, the outer side wall of the packing column is in sliding fit with the two side edges of the feeding through groove, a plurality of packing cavities are uniformly formed in the packing column, one end of the packing column is located at one side of each of the plurality of packing cavities, corresponding air guide holes are formed in one side of each of the plurality of packing cavities, packing grooves are uniformly formed in two sides of each of the plurality of packing cavities at equal intervals, a catalytic assembly is arranged in each packing groove, the catalytic assembly comprises edge clamping pieces, the edge clamping pieces are embedded in the packing grooves, and packing plate frames are movably inserted in the two edge clamping pieces which are in the same packing cavity. The filtering catalytic combustion device for waste gas treatment has the advantages of no shutdown for replacing the filter material, time and labor saving for replacement and full recycling of heat energy.
Description
Technical Field
The invention relates to the technical field of waste gas treatment, in particular to a filtering catalytic combustion device for waste gas treatment.
Background
Exhaust gas refers to toxic and harmful gases discharged by human beings in the production and living processes. Particularly, chemical plants, iron and steel plants, pharmaceutical plants, coking plants, oil refineries and the like, the exhausted waste gas has large smell, seriously pollutes the environment and affects the health of human bodies, wherein the treatment of VOC waste gas mainly comprises a direct combustion method and a catalytic combustion method, the reaction temperature of the direct combustion method is more than 1000 ℃, the energy consumption is high, and toxic byproducts such as Cl2, COCl2, NOX, polychlorinated diphenylfuran and the like are easy to generate and have larger harm to the environment; the catalytic combustion method can enable organic waste gas to generate flameless combustion at a lower ignition temperature by means of the catalyst, and to be oxidized and decomposed into CO2 and H2O, and simultaneously, a large amount of heat energy is discharged, so that the catalytic combustion method is more energy-saving.
However, in the catalytic combustion process, the catalyst and the activated carbon for adsorbing impurity particles in the gas need to be replaced after long-time use, the traditional catalytic device needs to be stopped for replacement during replacement, and filter materials (the catalyst, the activated carbon and other adsorbents) need to be aligned and installed one by one during replacement, so that the replacement of the filter materials is time-consuming and labor-consuming, and the timely treatment of waste gas is affected.
Accordingly, there is a need to provide a new filtered catalytic combustion device for exhaust gas treatment that addresses the above-described problems.
Disclosure of Invention
In order to solve the technical problems, the invention provides a filtering catalytic combustion device for waste gas treatment, which is free from stopping and replacing filter materials, saves time and labor in replacement and can fully recycle heat energy.
The invention provides a filtering catalytic combustion device for waste gas treatment, comprising: the fan is erected on one side of the frame, and a first supporting seat and a second supporting seat are arranged on the other side of the frame;
The catalytic filter cylinder is arranged on the first supporting seat, a burning torch is embedded in the middle of the catalytic filter cylinder, a catalytic filter cavity is arranged on one side of the catalytic filter cylinder, which is positioned on the burning torch, the catalytic filter cavity is communicated with the air outlet end of the fan through an air pipe, a feeding through groove is formed in the bottom of the catalytic filter cylinder, which is positioned on the other side of the burning torch, a heat storage cavity is formed in the catalytic filter cylinder, and an exhaust pipe is arranged at one end of the heat storage cavity;
The filler column rotates and installs on the supporting seat II, just the lateral wall and the both sides limit sliding fit of feeding through groove of filler column, evenly offered a plurality of filler chamber on the filler column, the one end of filler column is located one side of a plurality of filler chamber and has offered corresponding guiding hole, a plurality of the both sides of filler chamber are evenly equally spaced and are equipped with the filler groove, install catalytic assembly in the filler groove, catalytic assembly includes limit clamp, limit clamp inlay in the filler inslot, and two limit clamp internal activity cartridge that are opposite in same filler chamber have a filler board frame, the catalyst layer has been filled to the one end of filler board frame, and the other end of filler board frame has been filled active carbon layer, just the grafting pipe is installed to the bottom of filler board frame, the guiding hole middle part of filler column is located the grafting pipe under, the spacing pole with grafting movable joint is evenly offered in the bottom of filler groove, the middle part of filler column is equipped with the guiding hole all offered and is equipped with the guiding hole on the threaded connection's the threaded connection of two terminal surface of support screw thread of support seat on the equal side board frame.
Preferably, the length of the packing column is equal to the length of the feeding through groove, and the maximum width of the cross section of the plurality of packing cavities is smaller than the width of the feeding through groove.
Preferably, a plugging block is arranged at the top end of the catalytic filter cavity in the catalytic filter cylinder, and the bottom outer side wall of the plugging block is in sliding fit with the outer side wall of the filling column.
Preferably, the side clamping piece comprises a U-shaped clamping plate, the U-shaped clamping plate is slidably mounted in the packing groove, a plurality of first springs are mounted between the outer side plate of the U-shaped clamping plate and the packing groove, a plurality of second springs are uniformly mounted on two sides of the inner portion of the U-shaped clamping plate, and clamping strips for clamping the packing plate frame are mounted on the same side of the second springs.
Preferably, the bottom of grafting pipe has been seted up and has been pegged graft perpendicular groove, the gag lever post is flat round bar, the flat portion width of gag lever post is less than the groove width of pegging graft perpendicular groove, and the diameter of the external circle of cross section of gag lever post equals with the internal diameter of grafting round pipe, threaded through hole has been seted up to the one end of gag lever post, install the stop bolt with threaded through hole threaded connection in the packing chamber.
Preferably, the control valves are embedded in the diversion holes.
Preferably, the side plate of the first supporting seat is provided with a liquid suction pump, the liquid inlet end of the liquid suction pump is provided with a switching pipe, one end of the switching pipe deviating from the liquid suction pump is communicated with the converging cavity, the liquid outlet end of the liquid suction pump is communicated with a liquid discharge pipe, the liquid discharge pipe is communicated with a water storage tank, and the water storage tank is arranged in the heat storage cavity.
Preferably, the transfer tube is fixedly connected with the support seat, and one end of the transfer tube extends into the converging cavity and is rotationally connected with the converging cavity.
Preferably, the transfer pipe is provided with a branch pipe, and one end of the branch pipe is inserted into the catalytic filter cylinder and is positioned right below the ignition gun.
Preferably, a honeycomb ceramic heat storage layer is arranged in the heat storage cavity, and the ceramic heat storage layer wraps the water storage tank.
Compared with the related art, the filtering catalytic combustion device for waste gas treatment provided by the invention has the following beneficial effects:
The invention provides a filtering catalytic combustion device for waste gas treatment, which is characterized in that a feeding through groove is formed in a catalytic filter cavity of a catalytic filter cylinder, then a filling column is arranged in the feeding through groove, a plurality of filling cavities are arranged on the filling column, a catalytic assembly is arranged in the filling cavities, the catalytic assembly is matched with a limit rod by utilizing a side clamping piece, a U-shaped clamping plate, a first spring, a second spring, a clamping strip, a filling plate frame, an arc-shaped side plate, a splicing circular pipe and a splicing vertical groove, the corresponding filling cavities can be rotated from the catalytic filter cavity when filter materials need to be replaced, the filling cavities of the newly installed filling plate frame are directly rotated into the catalytic filter cavity to continue catalytic combustion, then the limit rod is screwed, the limit rod is removed, the old filling plate frame is pulled out, the new filling plate frame is quickly inserted, and the filling plate frame can be quickly replaced by inserting, and the catalyst layer and the active carbon layer are replaced, so that the filter materials in the next catalytic filter cavity can be quickly replaced;
through offer, jack-in groove, water conservancy diversion hole and the chamber that converges in the packing post and pump, drawing liquid pump, switching pipe, branch pipe, fluid-discharge tube, ceramic heat accumulation layer and the cooperation of storage water tank, be convenient for collect the water that the burning produced to utilize burning heat energy to heat, thereby make full use of the heat energy of burning.
Drawings
FIG. 1 is a schematic diagram of a filter catalytic combustion device for exhaust gas treatment according to a preferred embodiment of the present invention;
FIG. 2 is a schematic view of a filter catalytic combustion device for exhaust treatment according to another embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of a catalytic cartridge and packing column provided by the present invention;
FIG. 4 is a schematic view of a catalytic cartridge according to the present disclosure;
FIG. 5 is a schematic view of a packing column with a catalytic assembly installed in accordance with the present invention;
FIG. 6 is a schematic cross-sectional view of a packing plate frame provided by the invention;
FIG. 7 is a schematic view of a side clip according to the present invention;
FIG. 8 is an enlarged view of a portion of A shown in FIG. 3;
Fig. 9 is a partial enlarged view of B shown in fig. 5.
Reference numerals in the drawings: 1. a frame; 11. a first supporting seat; 12. a second supporting seat; 2. a blower; 3. a catalytic cartridge; 31. igniting the gun; 32. a block; 33. an exhaust pipe; 301. a catalytic filter chamber; 302. a heat storage chamber; 303. feeding through grooves; 4. a packing column; 401. a filler cavity; 402. a filler tank; 403. an air guide hole; 404. a limiting hole; 405. a plug-in groove; 406. a deflector aperture; 407. a confluence chamber; 41. a limit rod; 42. a limit bolt; 43. a control valve; 5. a catalytic assembly; 51. a side clip; 511. u-shaped clamping plates; 512. a first spring; 513. a second spring; 514. clamping strips; 52. a filler plate frame; 521. arc-shaped side plates; 5201. a catalyst layer; 5202. an activated carbon layer; 53. inserting a circular tube; 531. a vertical inserting groove; 6. a threaded rod; 7. a liquid pump; 71. a transfer tube; 72. a branch pipe; 73. a liquid discharge pipe; 8. a ceramic heat storage layer; 9. and a water storage tank.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Specific implementations of the invention are described in detail below in connection with specific embodiments.
Referring to fig. 1 to 9, a filtering catalytic combustion device for treating exhaust gas according to an embodiment of the present invention includes:
The fan comprises a frame 1 and a fan 2 arranged on one side of the frame 1, wherein a first supporting seat 11 and a second supporting seat 12 are arranged on the other side of the frame 1;
The catalytic filter cylinder 3 is arranged on the first supporting seat 11, the ignition gun 31 is embedded in the middle of the catalytic filter cylinder 3, a catalytic filter cavity 301 is arranged on one side of the catalytic filter cylinder 3, which is positioned on the ignition gun 31, the catalytic filter cavity 301 is communicated with the air outlet end of the fan 2 through an air pipe, a feeding through groove 303 is formed in the bottom of the catalytic filter cavity 301, a heat storage cavity 302 is arranged on the other side of the catalytic filter cylinder 3, which is positioned on the ignition gun 31, and an exhaust pipe 33 is arranged at one end of the heat storage cavity 302;
The packing column 4 is rotatably arranged on the supporting seat two 12, the outer side wall of the packing column 4 is in sliding fit with the two side edges of the feeding through groove 303, a plurality of packing cavities 401 are uniformly formed in the packing column 4, one end of the packing column 4 is located at one side of the plurality of packing cavities 401, corresponding air guide holes 403 are formed in the middle of the bottom end of the packing cavities 401, packing grooves 402 are uniformly formed in the two sides of the plurality of packing cavities 401 at equal intervals, a catalytic assembly 5 is arranged in the packing grooves 402, the catalytic assembly 5 comprises side clamping pieces 51, the side clamping pieces 51 are embedded in the packing grooves 402, packing plate frames 52 are movably inserted in the two side clamping pieces 51 opposite to each other in the same packing cavity 401, a catalyst layer 5201 is filled at one end of each packing plate frame 52, an active carbon layer 5202 is filled at the other end of each packing plate frame 52, plug-in round tubes 53 are arranged at the bottom ends of each packing plate frame 52, plug-in round tubes 53 are arranged at the middle of the bottom ends of the packing cavities 401, plug-in grooves 405 are arranged under the plug-in round tubes 53, limiting rods 41 are movably clamped with the plug-in grooves 53, the plug-in holes 406 are uniformly arranged at the bottom ends of the plug-in the plug cavities 405, the plug-in holes 406 are uniformly, the plug-in the plug holes are arranged at the corresponding air guide holes 4, and the corresponding air guide holes are connected with the corresponding air guide holes 404, and the two end faces of the two guide holes 4 are connected with the corresponding to the corresponding air guide holes 404, and the threaded holes 404 are respectively, and the threaded through the threaded holes 404 are arranged on the threaded holes 4, and the threaded holes 4 are respectively.
It should be noted that: when in use, VOC waste gas is led into the catalytic filter cylinder 3 through the fan 2, then is subjected to catalytic filtration through the catalytic component 5 in the catalytic filter cavity 301 in sequence, and then is subjected to combustion treatment through the ignition gun 31;
when the catalytic assembly 5 in the catalytic filter cavity 301 is stretched into the catalytic filter cavity 301 and the catalyst layer 5201 fails and the adsorption capacity of the activated carbon layer 5202 is weakened for a long time, the threaded rod 6 is screwed to withdraw from the limit hole 404, then the filling column 4 is rotated to enable the exposed catalytic filter cavity 401 to be rotated into the catalytic filter cavity 301, then the catalytic assembly 5 in the new filling cavity 401 is utilized to perform catalytic filtration reaction, the catalytic assembly 5 in the filling cavity 401 which is rotated out of the catalytic filter cavity 301 can be cooled, when the filter material needs to be replaced, only the limit rod 41 is required to be screwed, then the old filling plate frame 52 is pulled out of the side clamp 51, then the new filling plate frame 52 is inserted into the side clamp 51, waste catalyst can be conveniently and rapidly discharged, and the new catalyst layer 5201 and the activated carbon layer 5202 are replaced for efficient catalytic filtration.
Also to be described is: when the fan 2 guides VOC waste gas into the catalytic filter cylinder 3, the waste gas is guided into the filler cavity 401 from the air guide hole 403 at one end of the filler column 4, and one end of the filler cavity 401 away from the air guide hole 403 is open, so that the gas flows into the ignition gun 31 of the catalytic filter cylinder 3 for ignition after being catalyzed, filtered and intercepted by the catalytic component 5 in the filler cavity 401, and when the ignition gun 31 ignites, oxygen is automatically filled into the inside for supporting combustion, and then the ignited gas flows through the heat storage cavity 302, is stored through the ceramic heat storage layer 8 and is discharged from the exhaust pipe 33;
Further, the packing plate frame 52 can filter and intercept solid particles in the waste gas during catalytic combustion by arranging the catalyst layer 5201 and the activated carbon layer 5202 on two sides respectively, so that the gas and the catalyst are convenient to contact and react, and the ignition treatment is convenient.
The length of the packing column 4 is equal to the length of the feeding through groove 303, the maximum width of the cross section of each of the plurality of packing cavities 401 is smaller than the width of the feeding through groove 303, so that after one of the packing cavities 401 rotates to the catalytic filter cavity 301 through the feeding through groove 303 by the packing column 4, the gap between the packing column 4 and the feeding through groove 303 is extremely small, waste gas dissipation can be ignored, contact sealing is formed, gas introduced into the catalytic filter cavity 301 can be subjected to full catalytic combustion treatment, and two ends of the packing column 4 are integrally provided with rotating shafts which are rotationally connected with the second supporting seat 12, so that the rotating connection with the second supporting seat 12 is realized.
The bottom end of the plugging circular tube 53 is provided with a plugging vertical groove 531, the limit rod 41 is a flat circular rod, the width of the flat part of the limit rod 41 is smaller than the groove width of the plugging vertical groove 531, the diameter of a cross section circumscribed circle of the limit rod 41 is equal to the inner diameter of the plugging circular tube 53, one end of the limit rod 41 is provided with a threaded through hole, a limit bolt 42 in threaded connection with the threaded through hole is arranged in the packing cavity 401, thus after the limit rod 41 is screwed to the flat part aligned with the plugging vertical groove 531, the plugging circular tube 53 can be smoothly inserted into the plugging groove 405 and is sleeved on the limit rod 41, then the limit rod 41 is screwed by ninety degrees to enable the flat part of the limit rod 41 to be vertical to the plugging vertical groove 531, so that the plugging circular tube 53 is limited in the plugging groove 405, when the filter material is required to be dismounted, the quick plugging and fixing of the packing plate frame 52 can be realized by screwing the limit bolt 42 after the installation and screwing.
In the embodiment of the present invention, referring to fig. 1 and 3, a plugging block 32 is installed at the top end of a catalytic filter cavity 301 in a catalytic filter cartridge 3, and the bottom outer side wall of the plugging block 32 is in sliding fit with the outer side wall of a packing column 4;
It should be noted that: thus, after the packing cavity 401 is inserted into the catalytic filter cavity 301, the gap between the packing column 4 and the catalytic filter cavity 301 is sealed by the plugging block 32, and then the gas in the catalytic filter cavity 301 sufficiently contacts the catalytic assembly 5 in the packing cavity 401 for reaction.
Whereas in the present embodiment: the outer side wall of the packing plate frame 52 is integrally formed with an arc-shaped side plate 521, and the outer side wall of the arc-shaped side plate 521 is in sliding fit with the inner side wall of the plugging block 32, so that the gap between the packing plate frame 52 and the catalytic filter cavity 301 is further reduced.
In the embodiment of the present invention, referring to fig. 1,3, 5 and 7, the side clamping member 51 includes a U-shaped clamping plate 511, the U-shaped clamping plate 511 is slidably mounted in the packing groove 402, a plurality of first springs 512 are mounted between an outer side plate of the U-shaped clamping plate 511 and the packing groove 402, a plurality of second springs 513 are uniformly mounted on two inner sides of the U-shaped clamping plate 511, and a plurality of clamping strips 514 for clamping the packing plate frame 52 are mounted on the same side of the second springs 513;
it should be noted that: when the side clamping piece 51 is used, the packing plate frame 52 is inserted into the inner groove of the corresponding U-shaped clamping plate 511 and positioned between the two clamping strips 514, and then the packing plate frame 52 is clamped between the clamping strips 514 and the U-shaped clamping plate 511 by the first spring 512 and the second spring 513, so that the packing plate frame is convenient to insert and pull out quickly.
In the embodiment of the present invention, referring to fig. 1, 2 and 3, a liquid pump 7 is installed on a side plate of the first support seat 11, a transfer tube 71 is installed at a liquid inlet end of the liquid pump 7, one end of the transfer tube 71, which is away from the liquid pump 7, is communicated with a confluence cavity 407, a liquid outlet end of the liquid pump 7 is communicated with a liquid discharge tube 73, the liquid discharge tube 73 is communicated with a water storage tank 9, and the water storage tank 9 is disposed in the heat storage cavity 302.
It should be noted that: thus, when the catalytic reactor is used for combustion catalysis, after a certain amount of water is accumulated in the reactor and before the filler column 4 needs to be rotated, the control valve 43 communicated with the catalytic filter cavity 301 is opened, then the generated water sequentially passes through the splicing groove 405 and the diversion hole 406 to be converged into the converging cavity 407, then the liquid pumping pump 7 is started, the water in the converging cavity 407 is pumped into the water storage tank 9 through the liquid discharge pipe 73 by the switching pipe 71, then the water storage tank 9 is arranged in the heat storage cavity 302, the waste heat of the exhaust gas is utilized for heating and preserving the water, the water produced by the reaction is conveniently collected, the heat energy is conveniently recovered, and the diversion hole 406 in the filler cavity 401 which is not communicated with the heat storage cavity 302 (namely, the filler cavity 401 outside the heat storage cavity 302 exposed outside) is controlled to be closed by the control valve 43, so that the sealing with the outside is realized, and the leakage of gas from the diversion hole 406 and the splicing groove 405 exposed outside is avoided.
Also to be described is: the converging cavity 407 is arranged on a rotating shaft which is rotationally connected with the packing column 4 and the second supporting seat 12, so that the normal rotation of the packing column 4 is not interfered while the water generated after ignition is collected, and the water storage tank 9 is provided with a drain pipe communicated with the outside and used for conveying out hot water of the water storage tank 9 when the water quantity of the water storage tank 9 is stored in a high position.
Whereas in the present embodiment: the adapter tube 71 is fixedly connected with the first support seat 11, and one end of the adapter tube 71 extends into the converging cavity 407 and is rotatably connected with the converging cavity 407, so that the adapter tube 71 does not limit the rotation of the packing column 4.
In the embodiment of the present invention, referring to fig. 1 and 4, a branch pipe 72 is provided on the adapter pipe 71, and one end of the branch pipe 72 is inserted into the catalytic filter cartridge 3 and is located right below the ignition gun 31;
It should be noted that: the water generated by combustion in the catalytic filter cartridge 3 is further collected by the branch pipe 72 and is collected in the adapter pipe 71, and an electric control valve is also arranged in the branch pipe 72, so that the branch pipe 72 is opened to drain when the liquid pump 7 is started.
In the embodiment of the present invention, referring to fig. 1 and 3, a honeycomb ceramic heat storage layer 8 is installed in the heat storage cavity 302, and the ceramic heat storage layer 8 wraps the water storage tank 9.
It should be noted that: this facilitates the use of the ceramic thermal storage layer 8 to adequately retain the thermal energy of the exhaust gas.
The invention provides a filtering catalytic combustion device for waste gas treatment, which has the following working principle:
When the catalytic filter cartridge 3 is used, VOC waste gas is led into the catalytic filter cartridge 3 through the fan 2, then is catalyzed by the catalytic assembly 5 in the catalytic filter chamber 301 in sequence, then is subjected to combustion treatment through the ignition gun 31, and is subjected to heat accumulation and heat energy recovery after treatment, and the specific gas trend is that when the fan 2 leads the VOC waste gas into the catalytic filter cartridge 3, the waste gas is led into the filler chamber 401 from the air guide hole 403 at one end of the filler column 4, and one end of the filler chamber 401, which is far away from the air guide hole 403, is in an open shape, so that the gas flows into the ignition gun 31 part of the catalytic filter cartridge 3 for ignition after being catalyzed and filtered by the catalytic assembly 5 in the filler chamber 401, oxygen is automatically filled into the ignition gun 31 for supporting combustion when the ignition gun 31 is ignited, and then the ignited gas flows through the heat accumulation chamber 302, is accumulated through the ceramic heat accumulation layer 8, and is discharged from the exhaust pipe 33;
when the catalytic assembly 5 in the catalytic filter cavity 301 is extended into the catalytic filter cavity 301 and the catalyst layer 5201 fails and the adsorption capacity of the activated carbon layer 5202 is weakened for a long time, the threaded rod 6 is screwed to withdraw from the limiting hole 404, then the filling column 4 is rotated to enable the exposed filling cavity 401 to be rotated into the catalytic filter cavity 301, then the catalytic assembly 5 in the new filling cavity 401 is utilized to perform catalytic reaction, the catalytic assembly 5 in the filling cavity 401 which is rotated out of the catalytic filter cavity 301 can be cooled, when the filter material needs to be replaced, only the limiting rod 41 is required to be screwed, then the old filling plate frame 52 is pulled out of the side clamping piece 51, then the new filling plate frame 52 is inserted into the side clamping piece 51, the waste catalyst can be conveniently and rapidly discharged, the new catalyst can be conveniently replaced, when the side clamping piece 51 is used, the filling plate frame 52 is inserted between the two clamping strips 514 in the corresponding U-shaped clamping plates 511, then the first spring 512 and the second spring 513 clamp the plate frame 52 between the U-shaped clamping plates 511, and the quick insertion of the clamping plates 511 are convenient;
Further, when it burns and catalyzes, the produced water gathers through spliced groove 405, water conservancy diversion hole 406 in proper order and gets into converging chamber 407, then start drawing liquid pump 7, water in converging chamber 407 is pumped to storage water tank 9 through fluid-discharge tube 73 through transfer tube 71, then storage water tank 9 sets up in heat accumulation chamber 302, the heat energy of the waste gas is fully held back to the ceramic heat accumulation layer 8 again, utilize the waste heat of exhaust to heat and keep warm the water, be convenient for collect reaction product water and retrieve heat energy, further collect the water that the catalytic cartridge 3 combustion produced at utilizing branch pipe 72, gather it in transfer tube 71, collect the water.
The circuits and control involved in the present invention are all of the prior art, and are not described in detail herein.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present invention.
Claims (8)
1. A filtered catalytic combustion device for exhaust gas treatment, comprising:
The fan comprises a frame (1) and a fan (2) arranged on one side of the frame (1), wherein a first supporting seat (11) and a second supporting seat (12) are arranged on the other side of the frame (1);
characterized by further comprising:
The catalytic filter cartridge (3) is installed on the first supporting seat (11), an ignition gun (31) is embedded in the middle of the catalytic filter cartridge (3), a catalytic filter cavity (301) is formed in one side, located in the ignition gun (31), of the catalytic filter cartridge (3), the catalytic filter cavity (301) is communicated with an air outlet end of the fan (2) through an air pipe, a feeding through groove (303) is formed in the bottom, located in the catalytic filter cavity (301), of the catalytic filter cartridge (3), a heat storage cavity (302) is formed in the other side, located in the ignition gun (31), of the catalytic filter cartridge (3), and an exhaust pipe (33) is installed at one end of the heat storage cavity (302);
the packing column (4) is rotationally arranged on the supporting seat II (12), the outer side wall of the packing column (4) is in sliding fit with the two side edges of the feeding through groove (303), a plurality of packing cavities (401) are uniformly formed in the packing column (4), one end of the packing column (4) is positioned at one side of the plurality of packing cavities (401) and provided with corresponding air guide holes (403), two sides of the packing cavities (401) are uniformly and equally spaced and provided with packing grooves (402), a catalytic assembly (5) is arranged in the packing grooves (402), the catalytic assembly (5) comprises edge clamping pieces (51), the edge clamping pieces (51) are embedded in the packing grooves (402), two opposite edge clamping pieces (51) in the same packing cavities (401) are movably inserted with packing plate frames (52), one end of each packing plate frame (52) is filled with a catalyst layer (5201), the other end of each packing plate frame (52) is filled with an active carbon layer (2), the bottom ends of each packing plate frame (52) are uniformly and equally spaced and provided with packing grooves (402), the bottom ends (53) of each packing plate frame (52) are positioned in the middle part (405) of the round pipe (41), the bottom of the inserting groove (405) is uniformly provided with a flow guide hole (406), the middle part of the filling column (4) is provided with a converging cavity (407) which is communicated with the flow guide hole (406), the outer end surface of one end of the filling column (4) provided with a plurality of air guide holes (403) is provided with a corresponding limit hole (404), the side plate of the supporting seat II (12) is provided with a threaded rod (6) which is in threaded connection with the limit hole (404), the bottom end of the inserting circular tube (53) is provided with an inserting vertical groove (531), the limit rod (41) is a flat circular rod, the width of the flat part of the limit rod (41) is smaller than the groove width of the inserting vertical groove (531), the diameter of the cross section circumcircle of the limit rod (41) is equal to the inner diameter of the inserting circular tube (53), one end of the limit rod (41) is provided with a threaded through hole, and the inside of the filling cavity (401) is provided with a limit bolt (42) which is in threaded connection with the threaded through hole;
The liquid pump (7) is installed on the curb plate of supporting seat one (11), just adapter tube (71) are installed to the feed liquor end of liquid pump (7), the one end that adapter tube (71) deviate from liquid pump (7) and conflux chamber (407) intercommunication, and the play liquid end intercommunication of liquid pump (7) has fluid-discharge tube (73), fluid-discharge tube (73) intercommunication has storage water tank (9), storage water tank (9) set up in heat accumulation chamber (302).
2. The filtering catalytic combustion device for exhaust gas treatment according to claim 1, characterized in that the length of the packing column (4) is equal to the length of the feed through channel (303) and the maximum width of the cross section of several packing cavities (401) is smaller than the width of the feed through channel (303).
3. The filtering catalytic combustion device for exhaust gas treatment according to claim 1, characterized in that a plugging block (32) is mounted at the top end of the catalytic filter chamber (301) in the catalytic filter cartridge (3), and the bottom outer side wall of the plugging block (32) is in sliding fit with the outer side wall of the packing column (4).
4. The filtering catalytic combustion device for waste gas treatment according to claim 1, wherein the side clamping member (51) comprises a U-shaped clamping plate (511), the U-shaped clamping plate (511) is slidably mounted in the packing groove (402), a plurality of first springs (512) are mounted between the outer side plate of the U-shaped clamping plate (511) and the packing groove (402), a plurality of second springs (513) are uniformly mounted on two sides of the inner portion of the U-shaped clamping plate (511), and clamping strips (514) for clamping the packing plate frame (52) are mounted on the same side of the second springs (513) together.
5. The catalytic combustion device for the treatment of exhaust gases according to claim 1, characterized in that the pilot hole (406) is embedded with a control valve (43).
6. The filtering catalytic combustion device for exhaust gas treatment according to claim 1, wherein the adapter tube (71) is fixedly connected with the first support seat (11), and one end of the adapter tube (71) extends into the converging cavity (407) and is rotatably connected with the converging cavity (407).
7. The filtering catalytic combustion device for exhaust gas treatment according to claim 1, characterized in that the adapter tube (71) is provided with a branch tube (72), and one end of the branch tube (72) is inserted into the catalytic filter cartridge (3) and is located right below the ignition gun (31).
8. The filtering catalytic combustion device for exhaust gas treatment according to claim 1, characterized in that a honeycomb-shaped ceramic heat storage layer (8) is installed in the heat storage chamber (302), and the ceramic heat storage layer (8) encloses a water storage tank (9).
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| CN202410305875.6A CN117919867B (en) | 2024-03-18 | 2024-03-18 | A filter catalytic combustion device for exhaust-gas treatment |
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| CN202410305875.6A CN117919867B (en) | 2024-03-18 | 2024-03-18 | A filter catalytic combustion device for exhaust-gas treatment |
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| CN117919867B true CN117919867B (en) | 2024-05-28 |
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| CN210434178U (en) * | 2019-11-01 | 2020-05-01 | 济南凯强汽保设备有限公司 | Automatic desorption catalysis integrated processing apparatus of active carbon adsorption |
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| CN111936234A (en) * | 2018-04-09 | 2020-11-13 | 优美科股份公司及两合公司 | Coated Wall Flow Filters |
| CN210434178U (en) * | 2019-11-01 | 2020-05-01 | 济南凯强汽保设备有限公司 | Automatic desorption catalysis integrated processing apparatus of active carbon adsorption |
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