CN117570464B - Smoke treatment device of environment-friendly garbage incineration equipment - Google Patents
Smoke treatment device of environment-friendly garbage incineration equipment Download PDFInfo
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- CN117570464B CN117570464B CN202410073121.2A CN202410073121A CN117570464B CN 117570464 B CN117570464 B CN 117570464B CN 202410073121 A CN202410073121 A CN 202410073121A CN 117570464 B CN117570464 B CN 117570464B
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- Prior art keywords
- flue gas
- plate
- filling
- piece
- grid layer
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- 239000000779 smoke Substances 0.000 title claims abstract description 11
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 46
- 239000003546 flue gas Substances 0.000 claims abstract description 46
- 238000005507 spraying Methods 0.000 claims abstract description 34
- 238000006243 chemical reaction Methods 0.000 claims abstract description 26
- 239000012670 alkaline solution Substances 0.000 claims abstract description 13
- 239000007921 spray Substances 0.000 claims abstract description 9
- 238000001914 filtration Methods 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 32
- 239000006185 dispersion Substances 0.000 claims description 21
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 18
- 239000007787 solid Substances 0.000 claims description 15
- 230000000903 blocking effect Effects 0.000 claims description 8
- 238000004056 waste incineration Methods 0.000 claims description 6
- 239000000919 ceramic Substances 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract description 6
- 239000002245 particle Substances 0.000 abstract description 5
- 238000006386 neutralization reaction Methods 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000002378 acidificating effect Effects 0.000 abstract description 2
- 230000003139 buffering effect Effects 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 244000052769 pathogen Species 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/79—Injecting reactants
-
- 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
- F23J15/003—Arrangements of devices for treating smoke or fumes for supplying chemicals to fumes, e.g. using injection devices
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/30—Alkali metal compounds
- B01D2251/304—Alkali metal compounds of sodium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/60—Inorganic bases or salts
- B01D2251/604—Hydroxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
- B01D2258/0291—Flue gases from waste incineration plants
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention relates to the technical field of garbage incineration, in particular to a flue gas treatment device of environment-friendly garbage incineration equipment. The device comprises a buffer chamber, a reaction chamber and an emission chimney which are connected with the top of the incineration equipment, wherein the flue gas sequentially passes through the buffer chamber and the reaction chamber until the flue gas is exhausted from the emission chimney, and the reaction chamber sequentially comprises a driving piece, a demisting plate, a spraying piece and a filling grid layer from top to bottom. The spraying piece is movably connected with the demisting plate, the driving piece passes through the demisting plate, is coaxially arranged with the spraying piece and the filling grid layer and drives the spraying piece and the filling grid layer to rotate, the spraying piece can spray alkaline solution through an external pipeline, and the filling grid layer is internally filled with the filtering piece. The invention is provided with the buffer chamber for cooling and buffering the smoke just discharged from the incinerator; the filling grid layer is arranged to be matched with the spraying piece to rotate, so that acidic flue gas and alkaline liquid are opposite to each other and finally contact in the filling grid layer, and the contact time of the flue gas and alkaline solution is prolonged while tiny particles in the flue gas are filtered, so that the neutralization reaction is complete.
Description
Technical Field
The invention relates to the technical field of garbage incineration, in particular to a flue gas treatment device of environment-friendly garbage incineration equipment.
Background
Waste incineration is a process in which waste is reduced in volume by oxidation at high temperature through appropriate reactions such as thermal decomposition, combustion, melting, etc., and finally becomes residue or molten solid matter. The incinerated garbage can reduce the volume of the garbage, save land, eliminate pathogens, and convert toxic and harmful substances into harmless substances, so that the garbage incineration has become one of the main methods for urban garbage disposal. However, the flue gas generated when the garbage is incinerated often contains a large amount of harmful gases such as particulate solids, acidity and the like, and if the flue gas is discharged after being not treated, the flue gas can pollute the atmosphere and seriously influence the physical health of a human body. The existing large-scale garbage incineration plants are all provided with a flue gas treatment system, but the existing large-scale garbage incineration plants often integrate various large-scale cloth bag dust removing, spray towers and other equipment, and the equipment has high operation cost and is difficult to be suitable for flue gas treatment of small-scale garbage incineration equipment.
Disclosure of Invention
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and drawings hereof.
The invention aims to overcome the defects and provide the flue gas treatment device of the environment-friendly garbage incineration equipment, which has the advantages of simple structure, low operation cost, good treatment effect and simple post maintenance.
In order to achieve the above object, the technical solution of the present invention is: the utility model provides a fume treatment device of environmental protection type garbage incineration equipment, includes buffer chamber, reaction chamber and the emission chimney at connection incineration equipment top, and the flue gas passes through this buffer chamber, this reaction chamber in proper order until this emission chimney discharges. The reaction chamber sequentially comprises a driving piece, a demisting plate, a spraying piece and a filling grid layer from top to bottom. The spraying piece is movably connected with the demisting plate, the driving piece penetrates through the demisting plate, is coaxially arranged with the spraying piece and the filling grid layer and drives the spraying piece and the filling grid layer to rotate, the spraying piece can spray alkaline solution through an external pipeline, and the filling grid layer is internally filled with the filtering piece.
In some embodiments, the bottom of the spraying piece is provided with a plurality of water outlet pipes and a dispersion disc in a ring, the dispersion disc is positioned at the water outlet of the water outlet pipe, two sides of the dispersion disc are rotatably connected with the side wall of the water outlet pipe, the dispersion disc is provided with water protrusions in the middle part, and the dispersion disc is provided with a plurality of holes at two sides of the water protrusions.
In some embodiments, the filling grid layer comprises a solid section and a filling section, the solid section is connected with the driving piece, the top of the filling section is inclined, a plurality of filling sections are arranged around the solid section, an included angle between the top of a single filling section and the driving piece is 60-75 degrees, and gaps are reserved between adjacent filling sections and the bottoms of the adjacent filling sections are connected.
In some embodiments, a transmission is disposed between the spray member and the driving member, and the spray member is configured to rotate at a speed greater than the filling grid layer.
In some embodiments, the filter is a porous ceramic soaked with sodium hydroxide.
In some embodiments, the buffer chamber includes a buffer plate, the buffer plate is obliquely disposed in the buffer chamber, the buffer plate includes a plurality of strip plates, the strip plates are arranged in parallel and the adjacent strip plates are staggered up and down, so that the running direction of the flue gas bends on the buffer plate.
In some embodiments, the buffer chamber further comprises a heat conducting plate, the heat conducting plate is arranged above the buffer plate, the air outlet of the buffer chamber is arranged between the buffer plate and the heat conducting plate, a heat conducting water pipe is arranged above the heat conducting plate, and the heat conducting water pipe is externally connected with a heat exchanger.
In some embodiments, the buffer chamber and the reaction chamber are connected by a connecting tube, a blocking plate is arranged in the connecting tube, and a plurality of adjacent blocking plates are sequentially and alternately fixed at the top and the bottom of the connecting tube.
In some embodiments, the demister plate includes a plurality of parallel arrangement of bent plates.
By adopting the technical scheme, the invention has the beneficial effects that:
according to the invention, the flue gas is treated in a sectional way by combining the characteristics of the flue gas, the buffer chamber is arranged to cool and buffer the flue gas just discharged from the incinerator, and the side air outlet is arranged to prevent large particles in the flue gas from entering the reaction chamber; the filling grid layer is arranged to be matched with the spraying piece to rotate, so that acidic smoke and alkaline liquid are enabled to face each other and are finally fully contacted in the filling grid layer, the filtering piece is filled in the filling grid layer, the contact time of the smoke and alkaline solution is prolonged while tiny particles in the smoke are filtered, the neutralization reaction is more complete, the filtering piece is more convenient to replace by adopting a filling mode, and the later maintenance and cleaning are facilitated; the spraying piece capable of rotating is arranged, so that the alkaline solution spraying area is increased, the consumption of the alkaline solution is effectively reduced, and the operation cost of equipment is greatly reduced while the treatment effect is ensured.
The invention is provided with the movably connected dispersion disc, the alkaline liquid discharged from the water outlet pipeline in the shape of a water column impacts the dispersion disc, the dispersion disc is unevenly stressed left and right under the buffering of the water diversion protrusions, and the dispersion disc moves in a seesaw manner by taking the connection point as a fulcrum, so that the alkaline liquid is rapidly dispersed on the filling grid layer, and the structure of the dispersion disc is simple, and the operation cost is low.
According to the invention, the inclined filling grid layer is arranged and matched with the spraying piece at the middle part, so that alkaline solution can conveniently strike the filtering piece, acid-base neutralization in flue gas is accelerated, and the solid section is arranged in the middle to guide part of alkaline solution to flow into gaps between the filling sections, so that alkaline solution can be accelerated to flow into the middle layer of the filling sections, and the reaction is more thorough.
According to the invention, the differential speed exists between the spraying piece and the filling grid layer, so that the solution spraying area is further enlarged; the filter element adopts porous ceramic treated by sodium hydroxide, sodium hydroxide is reserved in the porous ceramic while the alkali resistance of the filter element is increased, so that a transitional effect is preliminarily achieved for flue gas treatment, meanwhile, the selection of alkaline solution is increased, and the running cost is reduced.
By arranging the staggered buffer plates, the high temperature of the incinerator is isolated, the smoke can enter the buffer chamber, the residence time of the smoke in the buffer chamber is prolonged, and part of the smoke is prevented from flowing back; the heat conducting plate is arranged to conduct heat exchange on the flue gas, so that the cyclic utilization of the heat energy of the flue gas is realized; a connecting pipe is arranged between the buffer chamber and the reaction chamber, so that the liquid in the reaction chamber is prevented from flowing reversely, and the flue gas is secondarily redirected, and secondary blocking of tiny particles in the flue gas is realized.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
It is apparent that these and other objects of the present invention will become more apparent from the following detailed description of the preferred embodiments, which is to be read in connection with the accompanying drawings and figures.
The foregoing and other objects, features and advantages of the invention will be apparent from the following more particular description of the preferred embodiments, as illustrated in the accompanying drawings.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention, without limitation to the invention.
In the drawings, like parts are designated with like reference numerals and are illustrated schematically and are not necessarily drawn to scale.
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only one or several embodiments of the invention, and that other drawings can be obtained according to such drawings without inventive effort to a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of a flue gas treatment device of an environment-friendly type garbage incineration apparatus;
FIG. 2 is a view showing the construction of the inside of a reaction chamber of a flue gas treatment device of an environment-friendly type refuse incineration apparatus according to the present invention;
FIG. 3 is a bottom view of a spray member of a flue gas treatment device of an environmental-friendly waste incineration apparatus according to the present invention;
FIG. 4 is a view showing a structure of a dispersion plate of a flue gas treatment device of an environment-friendly type garbage incineration apparatus according to the present invention;
FIG. 5 is a diagram showing the internal structure of a buffer chamber and a connecting pipe of a flue gas treatment device of an environment-friendly garbage incineration device;
FIG. 6 is a schematic view of the top of a heat conducting plate of a flue gas treatment device of an environmental-friendly waste incineration apparatus according to the present invention;
fig. 7 is a schematic view of the bottom of a heat conducting plate of a flue gas treatment device of an environment-friendly type garbage incineration apparatus.
The main reference numerals illustrate:
1. a buffer chamber;
11. a buffer plate;
111. a strip-shaped plate;
12. a heat conductive plate;
121. a conical protrusion;
13. a heat conducting water pipe;
2. a reaction chamber;
21. a driving member;
22. a defogging plate;
221. a bending plate;
23. a spray member;
231. a water outlet pipe;
232. a dispersion plate;
232a, a water diversion protrusion;
24. filling a grid layer;
241. a filter;
242. a solid section;
243. filling the section;
3. a discharge chimney;
4. a connecting pipe;
41. and a blocking plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the following detailed description. It should be understood that the detailed description is presented merely to illustrate the invention, and is not intended to limit the invention.
In addition, in the description of the present invention, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. However, it is noted that direct connection indicates that the two bodies connected together do not form a connection relationship through a transition structure, but are connected together to form a whole through a connection structure. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Referring to fig. 1, the present invention provides a technical solution: a smoke treatment device of environment-friendly garbage incineration equipment comprises a buffer chamber 1, a reaction chamber 2 and an emission chimney 3 which are connected with the top of the incineration equipment. The side wall of the buffer chamber 1 is connected with the bottom of the reaction chamber 2, the top of the reaction chamber 2 is connected with the discharge chimney 3, and the flue gas sequentially passes through the buffer chamber 1 and the reaction chamber 2 until being discharged from the discharge chimney 3.
Referring to fig. 2, the reaction chamber 2 includes a driving member 21, a defogging plate 22, a spraying member 23, and a filling grid layer 24 in this order from top to bottom.
The spraying piece 23 is movably connected with the defogging plate 22 through a bearing, the driving piece 21 passes through the defogging plate 22, is coaxially arranged with the spraying piece 23 and the filling grid layer 24 and drives the spraying piece 23 and the filling grid layer 24 to rotate, a speed changer is arranged between the spraying piece 23 and the driving piece 21, and the rotating speed of the spraying piece 23 is set to be larger than that of the filling grid layer 24.
Referring to fig. 3-4, the bottom of the spraying member 23 is provided with a plurality of water outlet pipes 231 and a dispersion disc 232, the dispersion disc 232 is located at the water outlet of the water outlet pipe 231 and is rotatably connected with the side wall of the water outlet pipe 231, the dispersion disc 232 is provided with a water diversion protrusion 232a in the middle, the water diversion protrusion 232a is in a shape of an inverted triangular prism, and the dispersion disc 232 is provided with a plurality of holes at two sides of the water diversion protrusion 232a. The spraying member 23 is connected with an external pipeline to spray alkaline solution, wherein the alkaline solution can be sodium hydroxide solution, calcium hydroxide solution and other solutions capable of neutralizing acid gas. The packed mesh layer 24 includes solid sections 242 and packed sections 243. The solid section 242 is connected with the driving member 21, a plurality of filling sections 243 are arranged around the solid section 242, the top of each filling section 243 is inclined towards the solid section 242, the included angle between the top of each filling section 243 and the driving member 21 is 60-75 degrees, and gaps are reserved between the adjacent filling sections 243 and the bottoms are connected. The filling segments 243 in the filling grid layer 24 are filled with filter elements 241, and the filter elements 241 are porous ceramics soaked by sodium hydroxide. The demister plate 22 includes a plurality of bending plates 221 arranged in parallel.
Referring to fig. 5, the buffer chamber 1 includes a buffer plate 11 and a heat conductive plate 12. The buffer plate 11 is obliquely arranged in the buffer chamber 1, the buffer plate 11 comprises a plurality of strip plates 111, the strip plates 111 are arranged in parallel, and the adjacent strip plates 111 are staggered up and down, so that the running direction of the flue gas bends on the buffer plate 11. The bottom of the strip 111 is a flame retardant material. The heat conducting plate 12 is arranged above the buffer plate 11, the air outlet of the buffer chamber 1 is arranged between the buffer plate 11 and the heat conducting plate 12, referring to fig. 6, a heat conducting water pipe 13 is arranged above the heat conducting plate 12, the heat conducting water pipe 13 is externally connected with a heat exchanger, referring to fig. 7, and a plurality of conical protrusions 121 are arranged at the bottom of the heat conducting plate 12.
The buffer chamber 1 and the reaction chamber 2 are connected through a connecting pipe 4, a blocking plate 41 is arranged in the connecting pipe 4, and a plurality of adjacent blocking plates 41 are sequentially and alternately fixed at the top and the bottom of the connecting pipe 4.
Working principle: the buffer chamber 1 is arranged above the incinerator, the buffer plate 11 is encountered in the rising process of the flue gas to carry out preliminary diversion, large particle impurities in the flue gas are filtered out and enter the buffer chamber 1, the flue gas with temperature contacts the heat conducting plate 12 to carry out heat exchange with an external heat exchanger and then enter the reaction chamber 2 through the connecting pipe 4 in a plurality of diversion ways, the flue gas moves in the reaction chamber 2 from bottom to top, alkaline liquid sprayed by the spraying piece 23 is subjected to neutralization reaction in the rotary filling grid layer 24, and finally water vapor in the flue gas is removed through the demisting plate 22 and then is discharged from the discharge chimney 3.
It is to be understood that the disclosed embodiments are not limited to the specific process steps or materials disclosed herein, but are intended to extend to equivalents of such features as would be understood by one of ordinary skill in the relevant arts. It is also to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting.
Reference in the specification to "an embodiment" means that a particular feature, or characteristic, described in connection with the embodiment is included in at least one embodiment of the invention. Thus, appearances of the phrase or "an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment.
Furthermore, the described features or characteristics may be combined in any other suitable manner in one or more embodiments. In the above description, certain specific details are provided, such as thicknesses, numbers, etc., to provide a thorough understanding of embodiments of the invention. One skilled in the relevant art will recognize, however, that the invention can be practiced without one or more of the specific details, or with other methods, components, materials, etc.
Claims (6)
1. The flue gas treatment device of the environment-friendly garbage incineration equipment is characterized by comprising a buffer chamber, a reaction chamber and an emission chimney which are connected with the top of the incineration equipment, wherein flue gas sequentially passes through the buffer chamber and the reaction chamber until being exhausted from the emission chimney, the reaction chamber sequentially comprises a driving piece, a demisting plate, a spraying piece and a filling grid layer from top to bottom, the spraying piece is movably connected with the demisting plate, the driving piece passes through the demisting plate, the spraying piece and the filling grid layer are coaxially arranged and are driven to rotate, the spraying piece is connected with an external pipeline to spray alkaline solution, and the filling grid layer is internally filled with a filtering piece;
the bottom of the spraying piece is annularly provided with a plurality of water outlet pipelines and a plurality of dispersion discs, the dispersion discs are positioned at the water outlets of the water outlet pipelines, the two sides of the dispersion discs are rotationally connected with the side walls of the water outlet pipelines, the middle part of each dispersion disc is provided with a water diversion protrusion, and the two sides of each water diversion protrusion of each dispersion disc are provided with a plurality of holes;
the filling grid layer comprises a solid section and filling sections, the solid section is connected with the driving piece, a plurality of filling sections are arranged around the solid section, the top of each filling section is inclined towards the solid section, an included angle between the top of a single filling section and the driving piece is 60-75 degrees, and gaps are reserved between adjacent filling sections and the bottoms of the adjacent filling sections are connected;
a speed changer is arranged between the spraying piece and the driving piece, and the rotating speed of the spraying piece is set to be larger than that of the filling grid layer.
2. The flue gas treatment device of an environment-friendly waste incineration apparatus according to claim 1, wherein the filter element is porous ceramic soaked with sodium hydroxide.
3. The flue gas treatment device of an environment-friendly garbage incineration device according to claim 1, wherein the buffer chamber comprises a buffer plate, the buffer plate is obliquely arranged in the buffer chamber, the buffer plate comprises a plurality of strip-shaped plates, the strip-shaped plates are arranged in parallel and are staggered up and down, so that the running direction of flue gas is bent on the buffer plate.
4. A smoke treatment device of an environment-friendly waste incineration apparatus according to claim 3, wherein the buffer chamber further comprises a heat conducting plate, the heat conducting plate is arranged above the buffer plate, the air outlet of the buffer chamber is arranged between the buffer plate and the heat conducting plate, a heat conducting water pipe is arranged above the heat conducting plate, and the heat conducting water pipe is externally connected with a heat exchanger.
5. The flue gas treatment device of the environment-friendly garbage incineration equipment according to claim 4, wherein the buffer chamber and the reaction chamber are connected through a connecting pipe, a blocking plate is arranged in the connecting pipe, and a plurality of adjacent blocking plates are sequentially and alternately fixed at the top and the bottom of the connecting pipe.
6. The flue gas treatment device of an environmentally friendly waste incineration apparatus according to claim 1, wherein the demisting plate comprises a plurality of parallel bending plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410073121.2A CN117570464B (en) | 2024-01-18 | 2024-01-18 | Smoke treatment device of environment-friendly garbage incineration equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410073121.2A CN117570464B (en) | 2024-01-18 | 2024-01-18 | Smoke treatment device of environment-friendly garbage incineration equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117570464A CN117570464A (en) | 2024-02-20 |
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| CN113941244A (en) * | 2021-11-05 | 2022-01-18 | 李建峰 | Industrial washing tower |
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| JP2001327837A (en) * | 2000-05-24 | 2001-11-27 | Mitsubishi Heavy Ind Ltd | Exhaust gas treating system and treating method |
| JP2007038164A (en) * | 2005-08-04 | 2007-02-15 | Kubota Corp | Exhaust gas treatment system |
| CN103712485A (en) * | 2013-12-18 | 2014-04-09 | 重庆巨康建材有限公司 | Smoke waste heat recovery system |
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Address after: No. 2 Jinshi Road, Luojiang District, Quanzhou City, Fujian Province 362000 Patentee after: Fujian Zhonghui Environmental Protection Equipment Group Co.,Ltd. Country or region after: China Address before: 362000 No.2, Jinshi Road, Shuangyang Town, Luojiang District, Quanzhou City, Fujian Province Patentee before: FUJIAN ZHONGHUI ENVIRONMENTAL PROTECTION EQUIPMENT Co.,Ltd. Country or region before: China |