CN114562738A - Flue gas treatment and recycling device for oil-fired and gas-fired boiler and using method thereof - Google Patents
Flue gas treatment and recycling device for oil-fired and gas-fired boiler and using method thereof Download PDFInfo
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- CN114562738A CN114562738A CN202210151601.7A CN202210151601A CN114562738A CN 114562738 A CN114562738 A CN 114562738A CN 202210151601 A CN202210151601 A CN 202210151601A CN 114562738 A CN114562738 A CN 114562738A
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 48
- 239000003546 flue gas Substances 0.000 title claims abstract description 48
- 238000004064 recycling Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000010438 heat treatment Methods 0.000 claims abstract description 53
- 239000011494 foam glass Substances 0.000 claims abstract description 42
- 239000007789 gas Substances 0.000 claims abstract description 36
- 239000000919 ceramic Substances 0.000 claims abstract description 24
- 239000002918 waste heat Substances 0.000 claims abstract description 20
- 238000011084 recovery Methods 0.000 claims abstract description 13
- 229920002635 polyurethane Polymers 0.000 claims abstract description 11
- 239000004814 polyurethane Substances 0.000 claims abstract description 11
- 238000005192 partition Methods 0.000 claims abstract description 9
- 238000004321 preservation Methods 0.000 claims abstract description 8
- 239000000779 smoke Substances 0.000 claims description 50
- 238000009413 insulation Methods 0.000 claims description 42
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 36
- 239000003814 drug Substances 0.000 claims description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 230000001681 protective effect Effects 0.000 claims description 11
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 8
- 229910052799 carbon Inorganic materials 0.000 claims description 8
- 239000002893 slag Substances 0.000 claims description 8
- 230000000903 blocking effect Effects 0.000 claims description 7
- 239000012535 impurity Substances 0.000 claims description 6
- 238000001179 sorption measurement Methods 0.000 claims description 6
- 229940079593 drug Drugs 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims 2
- 239000003517 fume Substances 0.000 description 5
- 235000019504 cigarettes Nutrition 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical class C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
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Classifications
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- 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
- 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
- B01D53/02—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 by adsorption, e.g. preparative gas chromatography
- B01D53/04—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 by adsorption, e.g. preparative gas chromatography with stationary adsorbents
-
- 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
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a flue gas treatment and recycling device of an oil and gas boiler and a using method thereof, and the flue gas treatment and recycling device comprises a boiler body, wherein the top end of the boiler body is provided with an air outlet pipe, one end of the air outlet pipe is provided with a dosing mechanism, one side of the dosing mechanism is provided with a waste heat recovery mechanism, the waste heat recovery mechanism comprises a foam glass heat preservation box, a polyurethane heat preservation box, a first vent pipe, a second vent pipe, a first connecting pipe, three second connecting pipes, a plurality of air outlet holes and ceramics, the top end of the foam glass heat preservation box is provided with a box cover, the inner cavity of the foam glass heat preservation box is provided with a heating mechanism, and the heating mechanism comprises a heating box, a plurality of partition plates and a plurality of positioning blocks. According to the invention, the flue gas with waste heat flows to the outer wall of the heating box by utilizing the arrangement mode of matching the waste heat recovery mechanism and the heating mechanism, and the ceramic is used for facilitating uniform heat conduction on the outer wall of the heating box, so that the heating box can preheat an object, and the resource recycling is improved.
Description
Technical Field
The invention relates to the field of flue gas treatment and recycling of oil-fired and gas-fired boilers, in particular to a flue gas treatment and recycling device of an oil-fired and gas-fired boiler and a using method thereof.
Background
The oil-gas boiler, as the name implies, refers to a boiler capable of burning both oil and gas, and the double-fuel boiler is not available in the past because the burner is either burning oil or burning gas, and the double-fuel burner is not available, along with the rapid development of world heat energy equipment, some countries in Europe begin to produce and sell the oil-gas burner, and the organic combination of the double-fuel burner and the boiler creates the oil-gas boiler.
The flue gas steam after current oil gas boiler uses, general producer purifies the back and directly discharges, leads to the waste heat of flue gas steam can not reuse, causes the waste of certain resource, and can not the portable to some object processings such as preheat.
Disclosure of Invention
The invention aims to provide a flue gas treatment and recycling device of an oil-gas boiler and a using method thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a flue gas treatment and recycling device of an oil and gas fired boiler comprises a boiler body, wherein an air outlet pipe is fixedly connected to the top end of the boiler body, a dosing mechanism is arranged at one end of the air outlet pipe, a waste heat recovery mechanism is arranged on one side of the dosing mechanism, the waste heat recovery mechanism comprises a foam glass heat insulation box, a polyurethane heat insulation box, a first vent pipe, a second vent pipe, a first connecting pipe, three second connecting pipes, a plurality of air outlet holes and ceramics, a box cover is arranged at the top end of the foam glass heat insulation box, and a heating mechanism is arranged in an inner cavity of the foam glass heat insulation box;
the heating mechanism comprises a heating box, a plurality of partition plates and a plurality of positioning blocks, wherein the two ends of each partition plate are connected with the inner cavities of the two positioning blocks in a sliding and penetrating manner.
Preferably, the inner wall of the polyurethane insulation can is fixedly connected with the inner wall of the foam glass insulation can, one end of the first vent pipe is fixedly and alternately connected with the bottom end of the first connecting pipe, and two ends of the second vent pipe are respectively and fixedly and alternately connected with the middle part of the first vent pipe and the bottom end of the first connecting pipe.
Preferably, it is three the second connecting pipe is connected with the trilateral fixed interlude of side on first connecting pipe top respectively, the heating cabinet sets up between three second connecting pipe, pottery is located the outer wall of heating cabinet, and is a plurality of the venthole is seted up in one side that first connecting pipe and second connecting pipe are close to the heating cabinet, the inner wall fixed connection of bracing piece and foam glass insulation can is passed through at the outer wall top of heating cabinet, the bottom of foam glass insulation can is provided with drainage mechanism, the top of foam glass insulation can is provided with smoke exhaust mechanism.
Preferably, the outer wall of the positioning block is fixedly connected with the inner wall of the heating box, the front surface of the heating box is rotatably connected with a box door, and the front surface of the heating box is fixedly and alternately connected with the foam glass insulation box and the front surface of the polyurethane insulation box.
Preferably, the drainage mechanism comprises a plurality of carbon residue ceramic granules, a discharge pipe, a plug, a blocking net and a drain pipe, the discharge pipe is fixedly inserted and connected with the bottom of the foam glass insulation can, the blocking net is attached to one end of the discharge pipe, the plug is clamped with the other end of the discharge pipe in a sliding mode, the drain pipe is fixedly inserted and connected with the bottom of the plug, and the carbon residue ceramic granules are arranged at the bottom of the inner cavity of the foam glass insulation can.
Preferably, the dosing mechanism comprises a dosing box, a first limiting plate, a second limiting plate, a valve and a dosing funnel, one end of the air outlet pipe is fixedly inserted and connected with one side of the dosing box, and the other end of the first vent pipe is fixedly inserted and connected with the other side of the dosing box.
Preferably, the one end and the dosing tank inner wall one side fixed connection of first limiting plate, the one end of second limiting plate and the opposite side fixed connection of dosing tank inner wall, the bottom of adding medicine funnel is connected with the fixed interlude in top of dosing tank, the valve sets up in the bottom of adding medicine funnel.
Preferably, it contains row's cigarette piece, activated carbon fiber, a plurality of smoke inlet, discharges fume pipe, protective cover and three dead lever to discharge fume the mechanism, and is a plurality of the bottom of arranging the cigarette piece is seted up in the smoke inlet, activated carbon fiber sets up in the inner chamber of arranging the cigarette piece, the bottom of discharging fume the pipe is connected with the fixed interlude in top of arranging the cigarette piece, the middle part fixed interlude of discharging fume pipe and case lid is connected.
Preferably, the protective cover sets up in the top of discharging fume the pipe, and is three the dead lever is the avris fixed connection of triangle-shaped array and protective cover, the bottom of dead lever and the last fixed surface of case lid are connected.
The invention also provides a method for treating and recycling the flue gas of the oil-fired and gas-fired boiler, which comprises the following specific use steps:
the method comprises the following steps: flue gas in the boiler body enters an inner cavity of the dosing mechanism through the gas outlet pipe, a hopper cover on the dosing hopper is rotated, so that a medicament for purifying the flue gas can be conveniently added, the valve is opened, the medicament enters the first limiting plate and the second limiting plate, and gas entering the inner cavity of the dosing box can be purified and then enters the inner cavity of the foam glass insulation can through the first vent pipe;
step two: flue gas enters the inner cavities of the first connecting pipe and the second connecting pipe through the first vent pipe and the second vent pipe, the flue gas with waste heat can heat the heating box through ceramics through the vent holes, an article to be preheated is placed on the partition plate, the article can be preheated, meanwhile, steam in the flue gas is condensed into water and the like after contacting with the ceramics, the water falls onto the carbon residue ceramsite, and the water is purified by the carbon residue ceramsite and is discharged from the drain pipe;
step three: the gas utilized by the inner cavity of the foam glass insulation can enters the inner cavity of the smoke discharge block through the smoke inlet hole, and clean gas can be discharged from the inner cavity of the smoke discharge pipe through the adsorption of the activated carbon fiber on gas impurities.
The invention has the technical effects and advantages that:
(1) according to the invention, by utilizing the arrangement mode that the waste heat recovery mechanism is matched with the heating mechanism, the flue gas with waste heat flows to the outer wall of the heating box through the air outlet holes in the first connecting pipe and the second connecting pipe, the heat conduction to the outer wall of the heating box is uniform through ceramics, the heating box can preheat an object, and the resource recovery and utilization are improved;
(2) the invention utilizes the arrangement mode of the matching of the drainage mechanism and the smoke exhaust mechanism, facilitates the purification treatment of dirt in smoke condensed water through the carbon slag ceramsite, facilitates the adsorption of impurities in the exhausted gas through the activated carbon fiber in the inner cavity of the smoke exhaust block, and improves the environmental protection property of the exhausted smoke.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is a schematic sectional view of the heating box of the present invention in front view.
FIG. 3 is an enlarged view of a portion A of FIG. 2 according to the present invention.
FIG. 4 is an enlarged view of a portion B of FIG. 2 according to the present invention.
FIG. 5 is an enlarged view of a portion of the structure of FIG. 2 at C.
FIG. 6 is a front sectional view of the dosing box of the present invention.
In the figure: 1. a boiler body; 2. an air outlet pipe; 3. a dosing mechanism; 301. a dosing box; 302. a first limit plate; 303. a second limiting plate; 304. a valve; 305. a dosing funnel; 4. a waste heat recovery mechanism; 401. a foam glass incubator; 402. a polyurethane incubator; 403. a first vent pipe; 404. a second vent pipe; 405. a first connecting pipe; 406. a second connecting pipe; 407. an air outlet; 408. a ceramic; 5. a box cover; 6. a heating mechanism; 601. a heating box; 602. a partition plate; 603. positioning blocks; 7. a drainage mechanism; 701. carbon residue ceramsite; 702. a discharge pipe; 703. a plug; 704. a barrier net; 705. a drain pipe; 8. a box door; 9. a smoke exhaust mechanism; 901. a smoke discharging block; 902. activated carbon fibers; 903. a smoke inlet hole; 904. a smoke exhaust pipe; 905. a protective cover; 906. and (5) fixing the rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a flue gas treatment and recycling device of an oil and gas boiler and a using method thereof as shown in figures 1-6, the device comprises a boiler body 1, wherein the top end of the boiler body 1 is fixedly connected with an air outlet pipe 2, one end of the air outlet pipe 2 is provided with a dosing mechanism 3, one side of the dosing mechanism 3 is provided with a waste heat recovery mechanism 4, the waste heat recovery mechanism 4 comprises a foam glass insulation can 401, a polyurethane insulation can 402, a first vent pipe 403, a second vent pipe 404, a first connecting pipe 405, three second connecting pipes 406, a plurality of air outlet holes 407 and ceramic 408, the inner wall of the polyurethane insulation can 402 is fixedly connected with the inner wall of the foam glass insulation can 401, the heat preservation performance of the waste heat recovery mechanism 4 is improved, and the waste of the flue gas waste heat is reduced;
a box cover 5 is arranged at the top end of the foam glass insulation can 401, the box cover 5 is fixedly connected with the top end of the foam glass insulation can 401 through screws, a sealing ring is arranged between the box cover 5 and the foam glass insulation can 401, a heating mechanism 6 is arranged in an inner cavity of the foam glass insulation can 401, the heating mechanism 6 comprises a heating box 601, a plurality of partition plates 602 and a plurality of positioning blocks 603, two ends of each partition plate 602 are slidably and alternately connected with inner cavities of the two positioning blocks 603, the outer walls of the positioning blocks 603 are fixedly connected with the inner wall of the heating box 601, the bearing of a plurality of objects to be preheated is facilitated, the utilization of the residual heat of the flue gas is more sufficient, a box door 8 is rotatably connected with the front surface of the heating box 601, the front surface of the heating box 601 is fixedly and alternately connected with the front surfaces of the foam glass insulation can 401 and the polyurethane insulation can 402, a sealing strip is arranged between the heating box 8 and the heating box 601, and the sealing property between the box door 8 and the heating box 601 is facilitated to be improved, the object with preheating is convenient to take;
one end of the first vent pipe 403 is fixedly inserted and connected with the bottom end of the first connecting pipe 405, two ends of the second vent pipe 404 are respectively fixedly inserted and connected with the middle part of the first vent pipe 403 and the bottom end of the first connecting pipe 405, three second connecting pipes 406 are respectively fixedly inserted and connected with three side sides of the top end of the first connecting pipe 405, the first connecting pipe 405 is in a rectangular tubular structure, the first connecting pipe 405 is positioned under the heating box 601, the heating box 601 is arranged between the three second connecting pipes 406, the ceramic 408 is positioned on the outer wall of the heating box 601, the ceramic 408 is in a rectangular box-shaped structure, the inner wall of the ceramic 408 is attached to three sides and the bottom end of the outer wall of the heating box 601, a plurality of air outlet holes 407 are arranged on one side of the first connecting pipe 405 and the second connecting pipe 406 close to the heating box 601, the flue gas in the inner cavity of the air outlet holes 407 is blown to the outer wall of the ceramic 408, and the heat in the flue gas is uniformly conducted to the heating box 601 through the heat conductivity of the ceramic 408, meanwhile, the service life of the device is prolonged through the acid and alkali resistance, the corrosion resistance and the oxidation resistance of the ceramic 408;
the top of the outer wall of the heating box 601 is fixedly connected with the inner wall of the foam glass insulation box 401 through a support rod, the bottom of the foam glass insulation box 401 is provided with a drainage mechanism 7, and the top of the foam glass insulation box 401 is provided with a smoke exhaust mechanism 9;
the drainage mechanism 7 comprises a plurality of carbon residue haydites 701, a discharge pipe 702, a plug 703, a blocking net 704 and a drain pipe 705, the carbon residue haydites 701 have adsorption effect on impurities in sewage, so as to facilitate the impurity adsorption of steam water in flue gas and improve the environmental protection performance of the device, the discharge pipe 702 is fixedly inserted and connected with the bottom of the foam glass heat preservation box 401, the blocking net 704 is jointed with one end of the discharge pipe 702, the outflow of the carbon slag ceramsite 701 is reduced conveniently through the blocking net 704, the top end of the carbon slag ceramsite 701 is provided with a protection net plate, the carbon slag ceramsite 701 is positioned conveniently, the plug 703 is clamped with the other end of the discharge pipe 702 in a sliding mode, the drain pipe 705 is fixedly and alternately connected with the bottom of the plug 703, the carbon slag ceramsite 701 is arranged at the bottom of the inner cavity of the foam glass insulation box 401, the plug 703 is convenient to replace the carbon slag ceramsite more conveniently, and water flow is discharged conveniently through the drain pipe 705;
the medicine adding mechanism 3 comprises a medicine adding box 301, a first limiting plate 302, a second limiting plate 303, a valve 304 and a medicine adding funnel 305, wherein the first limiting plate 302 and the second limiting plate 303 are of arc structures, the medicine is conveniently borne, the contact rate of smoke and the medicine is improved, one end of an air outlet pipe 2 is fixedly and alternately connected with one side of the medicine adding box 301, the other end of a first air pipe 403 is fixedly and alternately connected with the other side of the medicine adding box 301, one end of the first limiting plate 302 is fixedly connected with one side of the inner wall of the medicine adding box 301, one end of the second limiting plate 303 is fixedly connected with the other side of the inner wall of the medicine adding box 301, the bottom end of the medicine adding funnel 305 is fixedly and alternately connected with the top of the medicine adding box 301, the medicine can conveniently flow out, a bucket cover is rotatably connected with the top end thread of the medicine adding funnel 305, the inner cavity of the medicine adding funnel 305 is conveniently sealed, the valve 304 is arranged at the bottom of the medicine adding funnel 305, so that the valve 304 can seal the bottom of the medicine adding funnel 305, the convenience of dosing is improved;
the smoke exhaust mechanism 9 comprises a smoke exhaust block 901, activated carbon fibers 902, a plurality of smoke inlet holes 903, a smoke exhaust pipe 904, a protective cover 905 and three fixing rods 906, wherein the plurality of smoke inlet holes 903 are formed at the bottom end of the smoke exhaust block 901, the activated carbon fibers 902 are arranged in the inner cavity of the smoke exhaust block 901, the activated carbon fibers 902 have a certain size so as not to block and seal the smoke inlet holes 903, the bottom end of the smoke exhaust pipe 904 is fixedly and alternately connected with the top end of the smoke exhaust block 901, the smoke exhaust pipe 904 is fixedly and alternately connected with the middle part of the box cover 5, the protective cover 905 is arranged above the smoke exhaust pipe 904, the protective cover 905 is of a circular plate structure, the top end of the protective cover 905 is provided with a circular array to facilitate the increase of smoke exhaust, the three fixing rods 906 are fixedly connected with the side of the protective cover 905 in a triangular array, the bottom ends of the fixing rods 906 are fixedly connected with the upper surface of the box cover 5 to prevent the smoke from being directly exhausted and affecting the normal flow of air, meanwhile, the inner cavity of the smoke exhaust pipe 904 for rainwater and the like is also reduced through the protective cover 905.
The working principle of the invention is as follows:
flue gas in the boiler body 1 enters an inner cavity of the dosing mechanism 3 through the gas outlet pipe 2, drugs for purifying the flue gas can be added conveniently by rotating a hopper cover on the dosing funnel 305, the valve 304 is opened, the drugs enter the first limiting plate 302 and the second limiting plate 303, gas entering the inner cavity of the dosing box 301 can enter the inner cavity of the foam glass insulation can 401 through the first vent pipe 403 after being purified, chemical reaction on harmful gas in the boiler flue gas is facilitated, and the practicability of the device is improved;
flue gas enters the inner cavities of the first connecting pipe 405 and the second connecting pipe 406 through the first vent pipe 403 and the second vent pipe 404, the flue gas with waste heat can heat the heating box 601 through the ceramic 408 through the air outlet 407, articles to be preheated are placed on the partition plate 602, preheating treatment can be carried out on the articles, recycling of the flue gas waste heat is improved, the device is more energy-saving and environment-friendly, meanwhile, steam in the flue gas is condensed into water and the like after contacting with the ceramic 408 and then falls onto the carbon residue ceramsite 701, the water is purified through the carbon residue ceramsite 701 and is discharged from the water discharge pipe 705, and through the carbon residue ceramsite 701, purification treatment on dirt in the flue gas condensed water is facilitated, so that discharged water can be recycled;
the gas utilized in the inner cavity of the foam glass incubator 401 enters the inner cavity of the smoke discharge block 901 through the smoke inlet 903, and clean gas can be discharged from the inner cavity of the smoke discharge pipe 904 through the adsorption of the activated carbon fibers 902 on gas impurities, so that the environmental protection property of smoke discharge is improved.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (10)
1. The device for treating and recycling the flue gas of the oil and gas fired boiler comprises a boiler body (1) and is characterized in that an air outlet pipe (2) is fixedly connected to the top end of the boiler body (1), a medicine adding mechanism (3) is arranged at one end of the air outlet pipe (2), a waste heat recovery mechanism (4) is arranged on one side of the medicine adding mechanism (3), the waste heat recovery mechanism (4) comprises a foam glass insulation box (401), a polyurethane insulation box (402), a first vent pipe (403), a second vent pipe (404), a first connecting pipe (405), three second connecting pipes (406), a plurality of air outlet holes (407) and ceramics (408), a box cover (5) is arranged at the top end of the foam glass insulation box (401), and a heating mechanism (6) is arranged in an inner cavity of the foam glass insulation box (401);
heating mechanism (6) contain heating cabinet (601), a plurality of baffle (602) and a plurality of locating piece (603), the both ends of baffle (602) and the inner chamber sliding interlude of two locating pieces (603) are connected.
2. The oil and gas boiler flue gas treatment and recycling device of claim 1, wherein the inner wall of the polyurethane insulation can (402) is fixedly connected with the inner wall of the foam glass insulation can (401), one end of the first vent pipe (403) is fixedly and alternately connected with the bottom end of the first connecting pipe (405), and two ends of the second vent pipe (404) are respectively and fixedly and alternately connected with the middle part of the first vent pipe (403) and the bottom end of the first connecting pipe (405).
3. The oil and gas boiler flue gas treatment and recycling device of claim 1, wherein three second connecting pipes (406) are fixedly inserted and connected with three sides of the top end of the first connecting pipe (405), the heating box (601) is arranged among the three second connecting pipes (406), the ceramic (408) is located on the outer wall of the heating box (601), a plurality of air outlet holes (407) are formed in one sides of the first connecting pipe (405) and the second connecting pipe (406) close to the heating box (601), the top of the outer wall of the heating box (601) is fixedly connected with the inner wall of the foam glass heat insulation box (401) through a support rod, the bottom of the foam glass heat insulation box (401) is provided with a water drainage mechanism (7), and the top of the foam glass heat insulation box (401) is provided with a smoke exhaust mechanism (9).
4. The device for treating and recycling the flue gas of the oil and gas boiler according to claim 1, wherein the outer wall of the positioning block (603) is fixedly connected with the inner wall of the heating box (601), the front surface of the heating box (601) is rotatably connected with a box door (8), and the front surface of the heating box (601) is fixedly connected with the front surfaces of the foam glass heat preservation box (401) and the polyurethane heat preservation box (402) in a penetrating manner.
5. The oil and gas boiler flue gas treatment and recycling device of claim 3, wherein the water discharge mechanism (7) comprises a plurality of carbon slag ceramic particles (701), a discharge pipe (702), a plug (703), a blocking net (704) and a water discharge pipe (705), the discharge pipe (702) is fixedly inserted and connected with the bottom of the foam glass insulation can (401), the blocking net (704) is attached to one end of the discharge pipe (702), the plug (703) is slidably clamped with the other end of the discharge pipe (702), the water discharge pipe (705) is fixedly inserted and connected with the bottom of the plug (703), and the carbon slag ceramic particles (701) are arranged at the bottom of the inner cavity of the foam glass insulation can (401).
6. The oil and gas boiler flue gas treatment and recycling device according to claim 1, wherein the dosing mechanism (3) comprises a dosing tank (301), a first limiting plate (302), a second limiting plate (303), a valve (304) and a dosing funnel (305), one end of the air outlet pipe (2) is fixedly and alternately connected with one side of the dosing tank (301), and the other end of the first vent pipe (403) is fixedly and alternately connected with the other side of the dosing tank (301).
7. The oil and gas boiler flue gas treatment and recycling device of claim 6, wherein one end of the first limiting plate (302) is fixedly connected with one side of the inner wall of the dosing tank (301), one end of the second limiting plate (303) is fixedly connected with the other side of the inner wall of the dosing tank (301), the bottom end of the dosing funnel (305) is fixedly inserted and connected with the top of the dosing tank (301), and the valve (304) is arranged at the bottom of the dosing funnel (305).
8. The oil and gas boiler flue gas treatment and recycling device according to claim 3, wherein the smoke exhaust mechanism (9) comprises a smoke exhaust block (901), activated carbon fibers (902), a plurality of smoke inlet holes (903), a smoke exhaust pipe (904), a protective cover (905) and three fixing rods (906), the plurality of smoke inlet holes (903) are formed in the bottom end of the smoke exhaust block (901), the activated carbon fibers (902) are arranged in the inner cavity of the smoke exhaust block (901), the bottom end of the smoke exhaust pipe (904) is fixedly connected with the top end of the smoke exhaust block (901) in an inserting manner, and the smoke exhaust pipe (904) is fixedly connected with the middle part of the box cover (5) in an inserting manner.
9. The oil and gas boiler flue gas treatment and recycling device of claim 8, wherein the protecting cover (905) is disposed above the smoke exhaust pipe (904), the three fixing rods (906) are in a triangular array and fixedly connected with the side of the protecting cover (905), and the bottom ends of the fixing rods (906) are fixedly connected with the upper surface of the box cover (5).
10. A method for treating and recycling flue gas of an oil-fired and gas-fired boiler is characterized by comprising the following specific use steps:
the method comprises the following steps: flue gas in the boiler body (1) enters an inner cavity of the dosing mechanism (3) through the gas outlet pipe (2), drugs for purifying the flue gas can be conveniently added by rotating a hopper cover on the dosing funnel (305), the valve (304) is opened, the drugs enter the first limiting plate (302) and the second limiting plate (303), and gas entering the inner cavity of the dosing box (301) can be purified and then enters the inner cavity of the foam glass insulation can (401) through the first vent pipe (403);
step two: flue gas enters inner cavities of a first connecting pipe (405) and a second connecting pipe (406) through a first vent pipe (403) and a second vent pipe (404), the flue gas with waste heat can heat a heating box (601) through ceramics (408) through an air outlet (407), an article to be preheated is placed on a partition plate (602), the article can be preheated, meanwhile, steam in the flue gas is condensed into water and the like after contacting with the ceramics (408) and then falls onto the carbon residue ceramsite (701), and the water is purified through the carbon residue ceramsite (701) and is discharged from a water discharge pipe (705);
step three: the gas utilized in the inner cavity of the foam glass incubator (401) enters the inner cavity of the smoke discharge block (901) through the smoke inlet hole (903), and clean gas can be discharged from the inner cavity of the smoke discharge pipe (904) through the adsorption of activated carbon fibers (902) on gas impurities.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210151601.7A CN114562738A (en) | 2022-02-18 | 2022-02-18 | Flue gas treatment and recycling device for oil-fired and gas-fired boiler and using method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210151601.7A CN114562738A (en) | 2022-02-18 | 2022-02-18 | Flue gas treatment and recycling device for oil-fired and gas-fired boiler and using method thereof |
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| CN202210151601.7A Pending CN114562738A (en) | 2022-02-18 | 2022-02-18 | Flue gas treatment and recycling device for oil-fired and gas-fired boiler and using method thereof |
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