CN115371063A - Heat accumulating type incineration device for silicon-containing organic waste gas - Google Patents
Heat accumulating type incineration device for silicon-containing organic waste gas Download PDFInfo
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- CN115371063A CN115371063A CN202210936659.2A CN202210936659A CN115371063A CN 115371063 A CN115371063 A CN 115371063A CN 202210936659 A CN202210936659 A CN 202210936659A CN 115371063 A CN115371063 A CN 115371063A
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- 239000007789 gas Substances 0.000 title claims abstract description 98
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 27
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 27
- 239000010703 silicon Substances 0.000 title claims abstract description 27
- 239000010815 organic waste Substances 0.000 title claims abstract description 18
- 239000000428 dust Substances 0.000 claims abstract description 75
- 238000002485 combustion reaction Methods 0.000 claims abstract description 61
- 238000009825 accumulation Methods 0.000 claims abstract description 42
- 239000002912 waste gas Substances 0.000 claims abstract description 37
- 230000001172 regenerating effect Effects 0.000 claims abstract description 26
- 238000009826 distribution Methods 0.000 claims abstract description 12
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 4
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 4
- 235000006708 antioxidants Nutrition 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 81
- 238000007664 blowing Methods 0.000 claims description 39
- 239000000843 powder Substances 0.000 claims description 24
- 229910052751 metal Inorganic materials 0.000 claims description 21
- 239000002184 metal Substances 0.000 claims description 21
- 239000011248 coating agent Substances 0.000 claims description 17
- 238000000576 coating method Methods 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 9
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 8
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 7
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 7
- 241001330002 Bambuseae Species 0.000 claims description 7
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 7
- 239000011425 bamboo Substances 0.000 claims description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 6
- 238000005260 corrosion Methods 0.000 claims description 5
- 230000007797 corrosion Effects 0.000 claims description 5
- 238000000151 deposition Methods 0.000 claims description 3
- 230000002708 enhancing effect Effects 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- 238000002309 gasification Methods 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 2
- 229910052804 chromium Inorganic materials 0.000 claims description 2
- 239000011651 chromium Substances 0.000 claims description 2
- 229910052750 molybdenum Inorganic materials 0.000 claims description 2
- 239000011733 molybdenum Substances 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 239000000919 ceramic Substances 0.000 abstract description 27
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 16
- 239000007787 solid Substances 0.000 abstract description 12
- 239000002245 particle Substances 0.000 abstract description 10
- 230000003647 oxidation Effects 0.000 abstract description 7
- 238000007254 oxidation reaction Methods 0.000 abstract description 7
- 229910052814 silicon oxide Inorganic materials 0.000 abstract description 5
- 238000005338 heat storage Methods 0.000 description 31
- 238000010926 purge Methods 0.000 description 10
- 238000001914 filtration Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 239000000377 silicon dioxide Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000008187 granular material Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 230000003064 anti-oxidating effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000011010 flushing procedure Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- OVBSGCLBYYVGQR-UHFFFAOYSA-N fluoro(methyl)silane Chemical compound C[SiH2]F OVBSGCLBYYVGQR-UHFFFAOYSA-N 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000006911 nucleation Effects 0.000 description 2
- 238000010899 nucleation Methods 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- 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
- F23G7/061—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating
- F23G7/065—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel
- F23G7/066—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel preheating the waste gas by the heat of the combustion, e.g. recuperation type incinerator
- F23G7/068—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel preheating the waste gas by the heat of the combustion, e.g. recuperation type incinerator using regenerative heat recovery means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/022—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
- F23J15/025—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow using filters
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
Abstract
A regenerative incineration device for silicon-containing organic waste gas relates to the field of waste gas treatment. Including heat accumulation formula burning furnace and exhaust duct, exhaust duct and blowback pipeline, heat accumulation formula burning furnace is including the collection chamber that from top to bottom sets gradually, regenerator and combustion chamber, the inside gas distribution pottery that is equipped with the heat accumulation layer and is located the heat accumulation layer both ends of regenerator, include heat accumulation pottery and anti-oxidant silicon heat accumulation pottery in the heat accumulation layer, exhaust duct and blowback pipeline all are connected with the collection chamber, and exhaust duct, all be provided with the control valve on exhaust duct and the blowback pipeline, can dismantle between regenerator and the combustion chamber and be connected with the dust screen. The combustion chamber is positioned at the lower part of the heat accumulating type incinerator, solid particles generated by combustion are deposited at the lower part of the combustion chamber due to self weight, the amount of dust deposited on the surface of a heat accumulator is correspondingly reduced, the problem of blockage of the heat accumulator of the heat accumulating type incinerator is solved, meanwhile, the oxidation-resistant silicon heat accumulating ceramic is adopted, the inner wall is smooth, the electronegativity is reduced, and silicon oxide particles are not easy to deposit on the surface of the silicon oxide heat accumulating ceramic.
Description
Technical Field
The invention relates to the field of waste gas treatment, in particular to a heat accumulating type incineration device for silicon-containing organic waste gas.
Background
The heat accumulating type incineration device is characterized in that organic waste gas is introduced into a heat accumulating chamber which is used for leaving heat energy in the previous round, the waste gas is heated through the heat accumulating chamber, then the waste gas is introduced into a combustion chamber, the waste gas and oxygen are oxidized and combusted in the combustion chamber, generated high-temperature tail gas is discharged into another heat accumulating chamber, the heat energy is absorbed through a heat accumulating device in the heat accumulating chamber, and then the tail gas is discharged to form a cycle.
The existing waste gas incineration device, especially a Regenerative Thermal Oxidizer (RTO), has a combustion chamber above a regenerator, which easily causes part of the waste gas to separate out solid powder and deposit on the surface of the regenerator during oxidation incineration.
The injection waste gas and the vacuum waste gas in the production process of the lithium battery contain pollutants such as methyl ethyl carbonate, dimethyl carbonate, methyl fluorosilane and the like, wherein the methyl fluorosilane is stable in property and is insoluble in water, so the removal effect by adopting water washing and alkali washing is poor, silicon dioxide is separated out and deposited on the surface of a heat accumulator when an oxidation incineration process is adopted, and the operation data generally does not exceed 30 days, so that the heat accumulator is blocked by silicon dioxide powder generated by combustion to cause that RTO (regenerative thermal oxidizer) cannot normally operate, the machine is forced to be stopped for replacing a new heat accumulator, the production is frequently stopped, the labor intensity is high when the heat accumulator is replaced, and the operation cost is very high. And the setting of traditional regenerator needs the dismouting regenerator inconvenient, remains to promote dust particle filter effect.
Disclosure of Invention
The invention aims to provide a heat accumulating type incineration device for silicon-containing organic waste gas, which can avoid the blockage problem of an RTO heat accumulator and ensure the long-term stable operation of equipment.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a device is burned to heat accumulation formula that contains silicon organic waste gas, it includes heat accumulation formula incinerator and the exhaust duct who is connected with heat accumulation formula incinerator, exhaust duct and blowback pipeline, heat accumulation formula incinerator is including the collection chamber that sets gradually from top to bottom, regenerator and combustion chamber, wherein collection chamber and regenerator all are provided with two at least, the inside gas distribution pottery that is equipped with the heat accumulation layer and is located the heat accumulation layer both ends of regenerator, including conventional heat accumulation pottery and anti-oxidant silicon heat accumulation pottery in the heat accumulation layer, exhaust duct and blowback pipeline all are connected with the collection chamber, and exhaust duct, all be provided with the control valve on exhaust duct and the blowback pipeline, can dismantle between regenerator and the combustion chamber and be connected with the dust screen.
Further, the inner wall of the regenerative incinerator is provided with a metal coating for enhancing the corrosion resistance.
Further, the metal coating is a metal powder coating, and the metal powder is one of nickel, chromium and molybdenum.
Furthermore, preparing metal powder with the diameter of 25-50 microns by adopting a gasification method, depositing the metal powder on a heat accumulating type incinerator by adopting a cold power coating system, wherein the atomizing gas is nitrogen, the powder feeding speed is 0.2-0.5L/min, the gas pressure is 2.5-3.5MPa, the temperature is 500-650 ℃, the spraying distance is 25-35mm, and the spraying thickness is 100-200 microns.
Furthermore, the top of combustion chamber has the opening that corresponds with the regenerator, and the open-ended inside wall is fixed with the locating piece, and the top of locating piece has first draw-in groove, and the bottom of dust screen is fixed with first fixture block, first fixture block and first draw-in groove block to realize dismantling of dust screen.
Furthermore, the gas collection chamber and the regenerator are both arranged in a vertical cylinder, a sealing plate is fixed at the lower part of the vertical cylinder, the sealing plate is locked and fixed at the top of the combustion chamber through a bolt, and a first sealing ring is arranged between the combustion chamber and the sealing plate.
The gas collecting chamber is divided into two parts, the front side wall and the rear side wall of the vertical cylinder are respectively provided with a second sliding groove, the heat storage layer and the gas distribution ceramics positioned at the two ends of the heat storage layer are arranged in the frame body, the front side wall and the rear side wall of the vertical cylinder are respectively provided with a second sliding groove, the front side wall and the rear side wall of the frame body are respectively provided with a second sliding block, the second sliding blocks are in sliding fit with the second sliding grooves, and the side wall of the vertical cylinder is provided with a sealing door.
Further, the sealing device comprises a second clamping block, a second sealing ring, a first sealing block, a second sealing block and a handle, wherein the second clamping block is fixed at the front end of the H13-level HEPA filter screen, a second clamping groove is formed in the rear side of the second sealing block, the second clamping block is clamped with the second clamping groove, the second sealing ring is sleeved on the second sealing block, the first sealing block is fixed at the front side of the second sealing block, the handle is fixed at the front side of the first sealing block, the front side wall of the vertical cylinder is provided with a T-shaped hole and a sealing ring accommodating groove, the sealing ring accommodating groove is communicated with the T-shaped hole, after the H13-level HEPA filter screen is installed, the T-shaped hole is blocked by the first sealing block and the second sealing block, and part of the second sealing ring is located in the sealing ring accommodating groove.
Furthermore, the dust blowing device further comprises a high-pressure fan, a dust blowing pipe and a dust blowing valve, wherein the high-pressure fan is communicated with each barrel through the dust blowing pipe, the dust blowing pipe is positioned between the gas distribution ceramic below the dust blowing pipe and the barrel communicated position and the dust screen, the dust blowing valve is arranged on the dust blowing pipe, and the air outlet of the dust blowing pipe is inclined towards the dust screen.
Further, still contain a mixing box, the blowback pipeline is connected with the mixing box, and is equipped with the blowback fan on the blowback pipeline, and the mixing box has two inputs, and one is connected with the exhaust gas pipeline through the connecting tube, and another is connected with the combustion chamber through high temperature tube.
Furthermore, one end of the exhaust pipeline is connected with the chimney, and the exhaust pipeline is provided with a RTO fan.
Furthermore, a valve is arranged on the connecting pipeline.
Furthermore, the high-temperature pipe is provided with a regulating valve.
Furthermore, the number of the heat storage chambers is three, and the three heat storage chambers are connected to the same combustion chamber.
Furthermore, the bottom end of the combustion chamber is provided with an ash discharge port.
After the technical scheme is adopted, the invention has the beneficial effects that:
1. the combustion chamber is located the heat accumulation formula and burns burning furnace lower part, and the solid particle that the burning generated is because of the dead weight deposit in the combustion chamber lower part, and the corresponding reduction of dust volume of deposit on heat accumulation body surface, through the setting of dust screen for in the solid powder that produces after the burning in the combustion chamber can not get into the heat accumulation in, ensure solid powder deposit in the combustion chamber lower part, can reach the solid powder that the burning produced even and do not have the deposit in heat accumulation body surface. The problem of blockage of a heat accumulator of the heat accumulating type incinerator is avoided, and long-term stable operation of the heat accumulating type incinerator is ensured.
2. The inner wall of the anti-oxidation silicon heat storage ceramic in the heat storage layer is smooth, the electronegativity is reduced, and silicon oxide particles are not easy to deposit on the surface of the anti-oxidation silicon heat storage ceramic.
3. Meanwhile, the regenerative incinerator is loaded with a high-performance compact corrosion-resistant metal coating, particularly a metal powder coating, so that the service life of equipment can be prolonged, the operation cost of the equipment can be reduced, and the regenerative incinerator is particularly suitable for treating waste gas with corrosive components, such as chlorine-containing waste gas.
4. Through the cooperation of first draw-in groove and first fixture block, can realize the dismouting simplicity to the dust screen, only need simple push-and-pull action can. Set up to dismantling a section of thick bamboo to standing, but the non-integral type, the installation of being convenient for on the one hand is dismantled, and on the other hand reduces the space that dispatches from the factory and transport and occupies.
5. Through the setting of closing plate combination first sealing washer, have good sealing performance, adopt the fixed mode of bolt locking, fixed mode is simple, convenient operation.
6. Adopt H13 level HEPA filter screen to set up and filter in the gas collecting chamber, with the exhaust duct, exhaust duct and blowback pipeline cooperation, realize the filtration to admitting air and giving vent to anger, H13 level HEPA filter screen is used for getting rid of PM2.5, granule filtration efficiency more than complete machine PM2.5 exceeds 99.9%, and it has H13 filter paper to embed, be greater than 99.7% to granule filtration efficiency more than PM0.3, the particulate matter in the waste gas is held back by H13 level HEPA filter screen, reduce the nucleation of silica and grow up the probability, and then reduce the silica volume on heat accumulator surface.
7. And through the cooperation of first slider and first spout, realize the plug-type dismouting to H13 level HEPA filter screen, the dismouting is very convenient, need not to dismantle and founds a section of thick bamboo, also need not to establish sealing door in addition. Through the cooperation of second fixture block and second draw-in groove for the sealed piece of second dismantlement can be followed to H13 level HEPA filter screen, so when changing down H13 level HEPA filter screen and clear up, can install in the sealed piece of second with another clean H13 level HEPA filter screen.
8. Through placing heat accumulation layer and the cloth gas pottery (heat accumulator) that are located heat accumulation layer both ends in the framework in unison, directly open the sealing door when needing to be changed, with the framework pull out can, it is very convenient to change the heat accumulator.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention.
FIG. 2 is a schematic cross-sectional view of the heat-accumulating ceramic, the oxidation-resistant silicon heat-accumulating ceramic, the gas-distributing ceramic, the frame body, and the second slide block in the left-view direction.
Fig. 3 is an enlarged view of a in fig. 1.
Fig. 4 is an enlarged view at B in fig. 1.
Fig. 5 is a partial left view structural schematic diagram of the present invention.
Description of reference numerals: the regenerative incinerator 1, the first gas collection chamber 2, the second gas collection chamber 3, the third gas collection chamber 4, the first regenerative chamber 5, the second regenerative chamber 6, the third regenerative chamber 7, the combustion chamber 8, the exhaust gas pipeline 9, the exhaust pipeline 10, the blowback pipeline 11, the air inlet valve a12, the air outlet valve a13, the purge valve a14, the air inlet valve B15, the air outlet valve B16, the purge valve B17, the air inlet valve C18, the air outlet valve C19, the purge valve C20, the metal coating 21, the RTO blower 22, the chimney 23, the blowback blower 24, the mixing box 25, the connecting pipeline 26, the high temperature pipeline 27, the valve 28, the regulating valve 29, the dust discharge port 30, the dust screen 31, the opening 32, the limiting piece 33, the first clamping groove 34, the first clamping block 35, the vertical cylinder 36, the sealing plate 37, the bolt 38, the first sealing ring 39, the H13-level HEPA filter screen 40, the first sliding block 41, the first sliding groove 42, the second clamping block 43, the second sealing ring 44, the first sealing block 45, the second sealing block 46, the handle 47, the second sealing ring 48, the T hole 48, the ceramic sealing ring 57, the ceramic sealing ring 55, the ceramic dust blowing valve C blowing valve frame body 55, the ceramic dust distribution frame body 55, and the ceramic dust distribution frame body 55.
Detailed Description
The invention is further described with reference to the following drawings and detailed description.
Referring to fig. 1-5, a regenerative incinerator 1 for silicon-containing organic waste gas includes a gas collection chamber, at least two regenerators and a combustion chamber 8, wherein the regenerators are located above the combustion chamber 8 and are sequentially arranged, a regenerator layer 51 and gas distribution ceramics 52 located at two ends of the regenerator layer are arranged in the regenerators, the regenerator layer 51 includes a heat storage ceramic 511 and an anti-oxidation silicon heat storage ceramic 512, and the gas distribution ceramics in this embodiment are saddle-ring ceramics. A gas collection chamber is arranged above the heat accumulation chamber, the top end of the gas collection chamber is connected with a waste gas pipeline 9, an exhaust pipeline 10 and a back flushing pipeline 11, control valves are arranged on the waste gas pipeline, the exhaust pipeline and the back flushing pipeline, and a dust screen 31 is detachably connected between the heat accumulation chamber and the combustion chamber; the inner wall of the regenerative incinerator 1 is provided with a metal coating 21 with the thickness of 100-200 mu m for enhancing the corrosion resistance, the metal coating 21 is preferably a metal powder coating, the output of the exhaust pipeline 10 is connected with a chimney 23, and the pipeline is provided with an RTO fan 22; the blowback line 11 is connected via a blowback blower 24 to a mixing tank 25, which mixing tank 25 has two inputs, one of which is connected via a connecting line 26 to the exhaust gas line 9 and the other of which is connected via a high-temperature line 27 to the combustion chamber 8, the high-temperature line 27 being provided with an adjusting valve 29.
In this embodiment, the metal powder is nickel powder, and the preparation method of the metal powder coating 21 is to prepare nickel powder (the powder diameter is 30 μm) by a gasification method, and deposit the nickel powder on the inner wall of the regenerative incinerator 1 by a cold power coating system, wherein the atomizing gas is nitrogen, the powder feeding rate is 0.3L/min, the gas pressure is 3MPa, the temperature is 600 ℃, the spraying distance (the distance between the nozzle and the inner wall of the regenerative incinerator 1) is 30mm, and the spraying thickness is 150 μm (namely, the thickness of the metal powder coating 21). The nickel powder is deposited on the inner wall of the regenerative incinerator 1 by the preparation method, the deposition effect is good, and the regenerative incinerator 1 has good corrosion resistance.
The top of the combustion chamber is provided with an opening 32 corresponding to the regenerator, a limiting piece 33 is fixed on the inner side wall of the opening, the top of the limiting piece is provided with a first clamping groove 34, the bottom of the dust screen is fixed with a first clamping block 35, and the first clamping block is clamped with the first clamping groove to realize the disassembly of the dust screen. Through the arrangement of the dustproof net, solid powder generated after combustion in the combustion chamber cannot enter the heat storage chamber, and the solid powder is guaranteed to be deposited on the lower portion of the combustion chamber. Through the cooperation of first draw-in groove and first fixture block, can realize the dismouting simplicity to the dust screen, only need simple push-and-pull action can.
The gas collection chamber and the regenerator are both arranged in a vertical cylinder 36, a sealing plate 37 is fixed at the lower part of the vertical cylinder, the sealing plate is locked and fixed at the top of the combustion chamber through a bolt 38, and a first sealing ring 39 is arranged between the combustion chamber and the sealing plate. So, after inciting somebody to action traditional heat accumulating type burns burning furnace 1 and fall, will found a section of thick bamboo and set up to dismantle, and non-integral type, the installation of being convenient for on the one hand is dismantled, and on the other hand reduces the space that dispatches from the factory the transportation and occupies. Through the setting of closing plate combination first sealing washer, have good sealing performance, adopt the fixed mode of bolt locking, fixed mode is simple, convenient operation.
The vertical cylinder is characterized by further comprising an H13-level HEPA filter screen 40, a first sliding block 41, a frame body 56 and a second sliding block 57, wherein the left side wall and the right side wall of the vertical cylinder are respectively provided with a first sliding groove 42, the left side wall and the right side wall of the H13-level HEPA filter screen are respectively fixed with the first sliding block, the first sliding blocks are in sliding fit with the first sliding grooves, and the H13-level HEPA filter screen is located in the gas collection chamber and divides the gas collection chamber into two parts. Adopt H13 level HEPA filter screen to set up and filter in the gas collecting chamber, with the exhaust duct, exhaust duct and blowback pipeline cooperation, realize the filtration to admitting air and giving vent to anger, H13 level HEPA filter screen is used for getting rid of PM2.5, granule filtration efficiency more than complete machine PM2.5 exceeds 99.9%, and it has H13 filter paper to embed, be greater than 99.7% to granule filtration efficiency more than PM0.3, the particulate matter in the waste gas is held back by H13 level HEPA filter screen, reduce the nucleation of silica and grow up the probability, and then reduce the silica volume on heat accumulator surface. And through the cooperation of first slider and first spout, realize the plug-type dismouting to H13 level HEPA filter screen, the dismouting is very convenient, need not to dismantle and founds a section of thick bamboo, also need not to establish sealing door in addition.
The side wall of the vertical cylinder is provided with a sealing door (shown in the figure), when the heat accumulator and the dust screen need to be replaced, the sealing door is opened, and the sealing door is tightly closed and sealed at other times. Of course, the heat accumulator and the dust screen can be replaced after the vertical cylinder is detached.
The front side wall and the rear side wall of the vertical cylinder are provided with second sliding grooves (not shown), the heat storage layer and the gas distribution ceramics positioned at two ends of the heat storage layer are arranged in the frame body, the front side wall and the rear side wall of the frame body are respectively fixed with a second sliding block, and the second sliding blocks are in sliding fit with the second sliding grooves. Through with heat accumulation layer and the cloth gas pottery (heat accumulator) that is located the heat accumulation layer both ends unified place in the framework, directly open the sealing door when needing to be changed, with the framework pull out can, it is very convenient to change the heat accumulator.
Specifically, the sealing device further comprises a second clamping block 43, a second sealing ring 44, a first sealing block 45, a second sealing block 46 and a handle 47, the second clamping block is fixed at the front end of the H13-level HEPA filter screen, a second clamping groove 48 is formed in the rear side of the second sealing block, the second clamping block is clamped with the second clamping groove, the second sealing ring is sleeved on the second sealing block, the first sealing block is fixed at the front side of the second sealing block, the handle is fixed at the front side of the first sealing block, a T-shaped hole 49 and a sealing ring accommodating groove 50 are formed in the front side wall of the vertical cylinder, the sealing ring accommodating groove is communicated with the T-shaped hole, after the H13-level HEPA filter screen is installed, the T-shaped hole is blocked by the first sealing block and the second sealing block, and a part of the second sealing ring is located in the sealing ring accommodating groove. Through the cooperation of second fixture block and second draw-in groove for the sealed piece of second can be dismantled from to H13 level HEPA filter screen, so when H13 level HEPA filter screen carries out the clearance under the change, can install in the sealed piece of second with another clean H13 level HEPA filter screen, then aim at first spout and slide in until the sealed piece of second and first sealed piece with T type hole shutoff can, the cooperation of second sealing washer and sealing washer storage tank further improves the leakproofness this moment.
The dust blowing device comprises a dust blowing pipe, a dust blowing pipe and a dust blowing valve, wherein the dust blowing pipe is communicated with the high-pressure fan 53, the dust blowing pipe is arranged between the dust blowing pipe and the dust screen, the dust blowing pipe is arranged between the gas distribution ceramic below the dust blowing pipe and the dust screen, the dust blowing valve is arranged on the dust blowing pipe, and an air outlet of the dust blowing pipe is inclined towards the dust screen. High-pressure air is blown out through the high-pressure fan, dust attached to the dust removal net is removed, the dust is prevented from being accumulated to block the dust prevention net, and the replacement frequency of the dust prevention net is reduced. And through the setting of the air outlet of slope orientation dust screen for dust removal effect is better.
In the present embodiment, three regenerators are provided, namely a first regenerator 5, a second regenerator 6 and a third regenerator 7; the upper end of each heat accumulation chamber is provided with a gas collection chamber corresponding to the heat accumulation chamber, namely a first gas collection chamber 2, a second gas collection chamber 3 and a third gas collection chamber 4, and the top end of each gas collection chamber is connected with a waste gas pipeline 9, an exhaust pipeline 10 and a back flushing pipeline 11. The control valve comprises an air inlet valve A12, an air outlet valve A13, a purging valve A14, an air inlet valve B15, an air outlet valve B16, a purging valve B17, an air inlet valve C18, an air outlet valve C19 and a purging valve C20. The dust removal valve comprises a dust blowing valve A55, a dust blowing valve B56 and a dust blowing valve C57.
Specifically, the method comprises the following steps: the top end of the first gas collection chamber 2 is connected with a branch pipe of the waste gas pipeline 9, and an air inlet valve A12 is arranged on the branch pipe; the top end of the first gas collecting chamber 2 is connected with a branch pipe of the exhaust pipeline 10, and the branch pipe is provided with a gas outlet valve A13; the top end of the first gas collecting chamber 2 is connected with a branch pipe of a blowback pipeline 11, and a blowback valve A14 is arranged on the branch pipe.
Similarly, the second gas collecting chamber 3 is connected with branch pipes of the exhaust gas pipeline 9, the exhaust pipeline 10 and the blowback pipeline 11, and the branch pipes are provided with an air inlet valve C18, an air outlet valve C19 and a blow-down valve C20 corresponding to the branch pipes.
The third gas collecting chamber 4 is connected with branch pipes of the waste gas pipeline 9, the exhaust pipeline 10 and the blowback pipeline 11, and the branch pipes are provided with an air inlet valve C18, an air outlet valve C19 and a blow-down valve C20 corresponding to the branch pipes.
The dust removal pipe is provided with three branch pipes which are respectively communicated with the three cylinders, each branch pipe is provided with a dust blowing valve, and the dust blowing valve A55, the dust blowing valve B56 and the dust blowing valve C57 are arranged from left to right in sequence.
The specific working process of the device is as follows:
the heat accumulating type incinerator 1 is internally composed of three heat accumulating chambers, three gas collecting chambers and a shared combustion chamber 8, and the three heat accumulating chambers, the gas collecting chambers and the combustion chamber 8 work in a reciprocating and coordinated mode during work.
The first stage waste gas enters the first gas collection chamber 2 through the gas inlet valve A12 and then enters the first heat storage chamber 5, the waste gas enters the first heat storage chamber 5 which is heated, heat storage ceramic (not marked in the figure) in the first heat storage chamber 5 releases heat, the waste gas is heated by heat and enters the combustion chamber 8 for combustion and oxidation treatment, in the process, the back blowing gas from the second gas collection chamber 3 participates in combustion, the back blowing gas is discharged from the third gas collection chamber 4 after combustion and directly discharged after reaching the standard, and the third heat storage chamber 7 is heated and stored with the heat.
Specifically, the exhaust gas after the pretreatment process (not shown in the figure) enters the first gas collection chamber 2 through the air inlet valve a12 under the action of the high-pressure induced draft fan (not shown in the figure), and then is heated by the heat storage ceramic in the first heat storage chamber 5, the heated exhaust gas enters the combustion chamber 8 for combustion and oxidation treatment, and as the combustion chamber 8 is arranged at the lower part of the heat storage type incinerator 1, solid particles produced during combustion are deposited at the lower part of the combustion chamber 8 due to self weight, the amount of fixed particles deposited on the surface of the heat storage body is correspondingly reduced, and the solid particles at the bottom of the combustion chamber 8 can be discharged from the ash discharge port 30 in a pulse mode (not shown in the figure) and the like.
High-temperature flue gas generated after the waste gas is oxidized passes through the third gas collecting chamber 4, the gas outlet valve C19 is opened, the high-temperature flue gas is discharged from the chimney 23 through the RTO fan 22 and exchanges heat to the third heat storage chamber 7, and the heat storage ceramic and the antioxidant silicon heat storage ceramic have good heat storage performance, so that the furnace chamber is always kept at a high working temperature, and the fuel consumption of waste gas preheating and temperature rising is saved; meanwhile, the inner wall of the oxidation-resistant silicon heat-storage ceramic is smooth, the electronegativity is reduced, silicon oxide particles are not easy to deposit on the surface of the silicon oxide heat-storage ceramic, the problem of blocking of a heat accumulator is solved, and long-time stable operation of the heat-storage incinerator is ensured.
In the process of waste gas combustion, the regulating valve 29 positioned on the side wall of the combustion chamber 8 is opened, part of high-temperature gas positioned in the combustion chamber 8 enters the mixing box 25 through the high-temperature pipeline 27, meanwhile, part of standard-reaching waste gas discharged through the exhaust pipeline 10 also enters the mixing box 25, the two gases are mixed and then enter the back-blowing pipeline 11 through the back-blowing fan 24, the mixed gas is opened by the back-blowing valve B17 and is sent to the second gas collection chamber 3, the second gas collection chamber 3 is blown, and residual waste gas in the second gas collection chamber 3 is blown to the combustion chamber 8 for sufficient combustion.
In the second stage, under the condition that the first stage is finished, the waste gas is sent into the heated third regenerator 7 through the high-pressure draught fan, and is combusted together with the back-blowing gas from the first regenerator 5, the gas is exhausted from the second gas collecting chamber 3 after being combusted, the gas reaches the standard and is directly discharged, and the second regenerator 6 is heated and stores heat along with the gas.
Similarly, the inlet valve C18 opens to allow the waste gas to enter, the outlet valve B16 opens to allow the waste gas to reach the standard to be discharged, and the purge valve a14 opens the mixed gas to purge the first regenerator 5.
In the third stage, after the two stages are finished, the waste gas is sent into the second heat storage chamber 6 which is heated up through a high-pressure draught fan, the waste gas and the back-blowing gas from the third heat storage chamber 7 are combusted together, the gas is exhausted through the first gas collecting chamber 2 after being combusted, the gas reaches the standard and is directly discharged, and the first heat storage chamber 5 is heated up and stores heat.
Similarly, the inlet valve B15 opens to allow the waste gas to enter, the outlet valve a13 opens to allow the waste gas reaching the standard to be discharged, and the purge valve C20 opens the mixed gas to purge the third regenerator 7.
The first, second and third stages work circularly.
When dust removal treatment is required to be carried out on the dust screen, the high-pressure fan and the dust removal valve are opened, dust on the dust screen is blown and removed through air outlet of the high-pressure fan, and the high-pressure fan and the dust removal valve are closed after dust removal is finished.
In the specific operation process, the combustion chamber is positioned at the lower part of the heat accumulating type incinerator, solid particles generated by combustion are deposited at the lower part of the combustion chamber due to dead weight, the amount of dust deposited on the surface of a heat accumulation body is correspondingly reduced, and even the solid powder generated by combustion is not deposited on the surface of the heat accumulation body through the arrangement of the dustproof net, so that the problem of blockage of the heat accumulation body of the heat accumulating type incinerator is avoided, and the heat accumulating type incinerator is ensured to stably operate for a long time.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (10)
1. The utility model provides a device is burned to heat accumulation formula that contains silicon organic waste gas which characterized in that: including heat accumulation formula burning furnace and the waste gas pipeline, exhaust duct and the blowback pipeline that are connected with heat accumulation formula burning furnace, heat accumulation formula burning furnace is including the collection chamber, regenerator and the combustion chamber that from top to bottom set gradually, wherein collection chamber and regenerator all are provided with two at least, regenerator inside is equipped with the heat accumulation layer and is located the gas distribution pottery at heat accumulation layer both ends, includes heat accumulation pottery and anti-oxidant silicon heat accumulation pottery in the heat accumulation layer, waste gas pipeline, exhaust duct and blowback pipeline all are connected with the collection chamber, and all are provided with the control valve on waste gas pipeline, exhaust duct and the blowback pipeline, can dismantle between regenerator and the combustion chamber and be connected with the dust screen.
2. A regenerative incineration apparatus for organic waste gas containing silicon according to claim 1, characterised in that: and a metal coating for enhancing the corrosion resistance is arranged on the inner wall of the heat accumulating type incinerator.
3. A regenerative incineration apparatus for silicon-containing organic waste gas according to claim 2, characterised in that: the metal coating is a metal powder coating, and the metal powder is one of nickel, chromium and molybdenum.
4. A regenerative incineration apparatus for silicon-containing organic waste gas according to claim 2, characterised in that: preparing metal powder with the diameter of 25-50 mu m by adopting a gasification method, and depositing the metal powder on a heat accumulating type incinerator by adopting a cold power coating system, wherein the atomizing gas is nitrogen, the powder feeding speed is 0.2-0.5L/min, the gas pressure is 2.5-3.5MPa, the temperature is 500-650 ℃, the spraying distance is 25-35mm, and the spraying thickness is 100-200 mu m.
5. A regenerative incineration apparatus for silicon-containing organic waste gas according to claim 1, characterised in that: the top of combustion chamber has the opening that corresponds with the regenerator, the open-ended inside wall is fixed with the locating piece, the top of locating piece has first draw-in groove, the bottom of dust screen is fixed with first fixture block, first fixture block with first draw-in groove block is to the realization can dismantle of dust screen.
6. A regenerative incineration apparatus for silicon-containing organic waste gas according to claim 1, characterised in that:
the gas collection chamber and the regenerator are both arranged in a vertical cylinder, a sealing plate is fixed at the lower part of the vertical cylinder, the sealing plate is locked and fixed at the top of the combustion chamber through bolts, and a first sealing ring is arranged between the combustion chamber and the sealing plate.
7. A regenerative incineration apparatus for organic waste gas containing silicon according to claim 6, characterised in that: still include H13 level HEPA filter screen, first slider, framework and second slider, found a section of thick bamboo inside left and right sides wall and all had first spout, and the left and right sides of H13 level HEPA filter screen all is fixed with first slider, first slider and first spout sliding fit, H13 level HEPA filter screen is located in the plenum, and will the plenum is divided into two, and the wall all has the second spout around founding a section of thick bamboo inside, and heat accumulation layer and the gas distribution pottery that is located heat accumulation layer both ends all set up in the framework, and both sides all are fixed with the second slider around the framework, and the sealing door is established to second slider and second spout sliding fit, the lateral wall of founding a section of thick bamboo.
8. A regenerative incineration apparatus for organic waste gas containing silicon according to claim 7, characterised in that: the sealing device is characterized by further comprising a second clamping block, a second sealing ring, a first sealing block, a second sealing block and a handle, wherein the second clamping block is fixed at the front end of the H13-grade HEPA filter screen, a second clamping groove is formed in the rear side of the second sealing block, the second clamping block is clamped with the second clamping groove, the second sealing ring is sleeved on the second sealing block, the first sealing block is fixed at the front side of the second sealing block, the handle is fixed at the front side of the first sealing block, the front side wall of the vertical cylinder is provided with a T-shaped hole and a sealing ring accommodating groove, the sealing ring accommodating groove is communicated with the T-shaped hole, the T-shaped hole is blocked after the H13-grade HEPA filter screen is installed, and one part of the second sealing ring is located in the sealing ring accommodating groove.
9. A regenerative incineration apparatus for organic waste gas containing silicon according to claim 1, characterised in that: still include high pressure positive blower, blow the dirt pipe and blow the dirt valve, high pressure positive blower is through blowing the dirt pipe with each the barrel intercommunication, blow between the cloth gas pottery and the dust screen that dirt pipe and barrel intercommunication department are located the below, it blows the dirt valve to blow to be provided with on the dirt pipe, the air outlet slope orientation of blowing the dirt pipe the dust screen.
10. A regenerative incineration apparatus for silicon-containing organic waste gas according to claim 1, characterised in that: the mixing box is provided with two input ends, one of the input ends is connected with the waste gas pipeline through a connecting pipeline, and the other input end is connected with the combustion chamber through a high-temperature pipeline;
one end of the exhaust pipeline is connected with the chimney, and an RTO fan is arranged on the exhaust pipeline;
a valve is arranged on the connecting pipeline;
the high-temperature pipe is provided with an adjusting valve;
the three regenerative chambers are connected to the same combustion chamber;
and an ash discharge port is arranged at the bottom end of the combustion chamber.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221428524 | 2022-06-09 | ||
| CN2022214285247 | 2022-06-09 |
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| CN115371063A true CN115371063A (en) | 2022-11-22 |
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| CN202210936659.2A Pending CN115371063A (en) | 2022-06-09 | 2022-08-05 | Heat accumulating type incineration device for silicon-containing organic waste gas |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116464972A (en) * | 2023-04-21 | 2023-07-21 | 江苏大信环境科技有限公司 | High-tightness heat accumulating incinerator |
| CN117329528A (en) * | 2023-10-28 | 2024-01-02 | 江苏大信环境科技有限公司 | Comprehensive RTO (real-time organic matter) treatment system for tail gas incineration containing organic dust and semi-solid particles |
-
2022
- 2022-08-05 CN CN202210936659.2A patent/CN115371063A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116464972A (en) * | 2023-04-21 | 2023-07-21 | 江苏大信环境科技有限公司 | High-tightness heat accumulating incinerator |
| CN116464972B (en) * | 2023-04-21 | 2023-09-22 | 江苏大信环境科技有限公司 | High-tightness heat accumulating incinerator |
| CN117329528A (en) * | 2023-10-28 | 2024-01-02 | 江苏大信环境科技有限公司 | Comprehensive RTO (real-time organic matter) treatment system for tail gas incineration containing organic dust and semi-solid particles |
| CN117329528B (en) * | 2023-10-28 | 2024-03-19 | 江苏大信环境科技有限公司 | Comprehensive RTO (real-time organic matter) treatment system for tail gas incineration containing organic dust and semi-solid particles |
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