CN106871636B - Industrial Stoves organic exhaust gas, which burns, recycles production technology - Google Patents

Industrial Stoves organic exhaust gas, which burns, recycles production technology Download PDF

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Publication number
CN106871636B
CN106871636B CN201510913577.6A CN201510913577A CN106871636B CN 106871636 B CN106871636 B CN 106871636B CN 201510913577 A CN201510913577 A CN 201510913577A CN 106871636 B CN106871636 B CN 106871636B
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CN
China
Prior art keywords
preheating section
gas
exhaust gas
kiln
burns
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CN201510913577.6A
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Chinese (zh)
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CN106871636A (en
Inventor
余阳春
付力
夏志明
陈雄军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huanggang Huayao Zhongzhou Kiln Co., Ltd.
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HUANGGANG HUAYAO ZHONGZHOU KILN CO Ltd
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Priority to CN201510913577.6A priority Critical patent/CN106871636B/en
Publication of CN106871636A publication Critical patent/CN106871636A/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/02Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity of multiple-track type; of multiple-chamber type; Combinations of furnaces
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/12Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity with special arrangements for preheating or cooling the charge
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/14Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment
    • F27B9/20Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace
    • F27B9/26Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace on or in trucks, sleds, or containers
    • F27B9/262Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace on or in trucks, sleds, or containers on or in trucks
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/30Details, accessories, or equipment peculiar to furnaces of these types
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/30Details, accessories, or equipment peculiar to furnaces of these types
    • F27B9/3005Details, accessories, or equipment peculiar to furnaces of these types arrangements for circulating gases
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/30Details, accessories, or equipment peculiar to furnaces of these types
    • F27B9/36Arrangements of heating devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27DDETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D17/00Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
    • F27D17/004Systems for reclaiming waste heat
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/12Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity with special arrangements for preheating or cooling the charge
    • F27B2009/122Preheating
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/30Details, accessories, or equipment peculiar to furnaces of these types
    • F27B2009/3072Balancing the pressure between the upper part and the lower part of the kiln, above and under the track
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/30Details, accessories, or equipment peculiar to furnaces of these types
    • F27B9/36Arrangements of heating devices
    • F27B2009/3653Preheated fuel
    • F27B2009/3661Preheated fuel preheated with the exhaust gases

Abstract

The invention discloses a kind of burning of Industrial Stoves organic exhaust gas and UTILIZATION OF VESIDUAL HEAT IN production technologies, it solves the problems such as prior art takes away amount of heat there are pollution from exhaust emission environment, the organic exhaust gas containing organic matter in product sintering procedure, it is characterised in that:It includes tunnel oven and incinerator, and the tunnel oven is divided into preheating section, furnace zone and cooling section, installs burner in 1100 DEG C or more of furnace zones, preheating section then burns reuse means by organic exhaust gas and provides heat source.Have many advantages, such as that scientific and reasonable for structure, operation and control is easy, fume treatment is efficient, reduce exhaust emission, save mass energy, there is extensive application value.

Description

Industrial Stoves organic exhaust gas, which burns, recycles production technology
Technical field
The invention belongs to the field of environment protection of VOCs treatment, and flue gas can be handled simultaneously particularly with regard to one kind The production technology that the waste heat in cigarette can be utilized again again.
Background technology
Organic matter containing a large amount of pollution environment in organic exhaust gas, is discharged into air and not only generates huge shadow to environment It rings, is adsorbed on the objects such as building and carrys out prodigious difficulty to cleaning band, and also have a large amount of heat, direct emission in exhaust gas Many heats are made to waste.From the point of view of current existing machine exhaust gas treatment technology, the method that most producer takes only will The content that exhaust gas containing organic matter reduces organic matter after incinerator burns just is discharged, and not only wastes exhaust gas sheet in this way The heat of body carrying and again the burning consumption energy, continue to pollute environment when burning insufficient.In national environmental protection, section This inefficient organic waste gas treatment method does not obviously catch up with the developing steps of kiln industry under the relevant policies of energy emission reduction, therefore It is extremely urgent to invent new organic waste gas treatment method, under numerous difficulties we by constantly experiment, to have devised this set organic The treatment process and equipment of exhaust gas, the method not only solve problem of environmental pollution, have more achieved the purpose that energy-saving and emission-reduction, have Extensive promotion prospect.
Invention content
The purpose of the present invention is to provide it is a kind of it is simple and reasonable, operation and control is easy, improve fume treatment efficiency, subtract Few exhaust emission, energy saving Processes and apparatus.
The technical scheme is that:It is by tunnel oven and incinerator that tunnel oven organic exhaust gas, which burns and recycles production technology, Deng composition, the tunnel oven is divided into preheating section, furnace zone and cooling section, and burner, preheating are installed in 1100 DEG C or more of furnace zones Duan Ze burns reuse means by organic exhaust gas and provides heat source, and process is:
(1)Tunnel oven preheating section product is fired to 250 DEG C or so generated to send to organic waste containing organic compounds extraction Gas burns reuse means;
(2)Organic exhaust gas burns reuse means will be transformed to 600 DEG C or so high-temperature gases and 200 containing organic compounds DEG C or so low-temperature flue gas, two strands of high/low temperature gases be sent into after being mixed into gas port tunnel preheating section of kiln to product heat;
(3)Regarding 200 DEG C or so low-temperature flue gas as injection air by high pressure positive blower and sending to tunnel preheating section of kiln makes in kiln Pressure balance above and below in kiln, the temperature difference is set to control always within the scope of 10 DEG C.
It is by an incinerator, two heat exchangers, three Fans and smoke exhaust pipe that the organic exhaust gas, which burns reuse means, The compositions such as road, incinerator are provided with two gaseous mixture burners, and side is connected by smoke discharging pipe with temperature rise heat exchanger, and the other side is logical It crosses High Temperature Gas pipe and is connected to the gas port that is mixed into that tunnel oven preheating section both sides kiln wall is arranged.Temperature rise heat exchanger another way air inlet is logical It crosses smoke discharging pipe and is connected with the wind turbine gas outlet containing organic compounds pipeline for extracting tunnel oven preheating section, gas outlet then leads to Tracheae is crossed with the gaseous mixture burner being arranged on incinerator to be connected.Pass through one cooling of placed in series at temperature rise heat exchanger rear simultaneously Heat exchanger, three tunnels of outlet pipe point, is separately connected low-temperature flue gas high pressure positive blower, injection air high pressure positive blower and smoke exhaust fan, low The gas outlet of warm flue gas high pressure positive blower is connected by cryogenic piping with the gas port that is mixed into that kiln body preheating section is arranged, injection air high pressure The gas outlet of high pressure positive blower is then connected by injection air hose with the injection air air inlet that kiln body preheating section is arranged, and smoke exhaust fan goes out Gas port connects waste discharge mouth, and another way tracheae air inlet is air intake, and gas outlet is sent by pipeline to dry kiln.
The kiln car of the tunnel oven uses totally enclosed type underbody, is built by laying bricks or stones using Nomex containing zirconium and polycrystalline hardboard light material It forms.
The beneficial effects of the present invention are:It is not only simple in structure reasonable, operation and control simplicity, and fume treatment can be improved Efficiency reduces exhaust emission, compared with the energy that traditional handicraft and equipment have saved 35% or so, has good social benefit and warp Ji benefit, has extensive application value.
The invention will be further described below in conjunction with the accompanying drawings.
Description of the drawings
Fig. 1 is that the present invention contains organic matter flue gas reheating schematic diagram;
Fig. 2 is kiln body preheating section injection air of the present invention and mixed gas arrangement schematic diagram;
Fig. 3 is present invention process flow entirety overall structure diagram.
In figure:1 is incinerator, and 2 be temperature rise heat exchanger, and 3 be cooling heat exchanger, and 4 gaseous mixture burners, 5 is high for low-temperature flue gas Pressure fan, 6 be injection air high pressure positive blower, and 7 be smoke exhaust fan, and 8 be waste discharge mouth, and 9 be exhaust piping, and 10 be high temperature tracheae, and 11 are Outlet pipe, 12 be injection air hose, and 13 be cryogenic piping, and 14 be tracheae, and 15 be air intake, and 16 be pipeline, and 17 be flue gas leading Road, 18 be wind turbine, and 19 be cycle fan housing, and 20 is are mixed into gas port, and 21 be injection air air inlet, and 22 be burner.
Specific implementation mode
The present invention concrete technology flow process be:
250 DEG C or so of burning generation are warming up to 450 DEG C or so → incinerator containing organic compounds → temperature rise heat exchanger Burning to 600 DEG C an or so → part is sent back in kiln, and another part is sent to heat exchanger 3 after the heat exchange of heat exchanger 2 and exchanges heat → return 600 DEG C or so flue gases in kiln are with 200 DEG C or so of the flue gas come out from the heat exchange of heat exchanger 3 by mixing → heating product.
The temperature rise heat exchanger 2 is that the flue gas of 600 DEG C or so of the part generated after being burned by incinerator enters heating Heat exchanger 2 exchanges heat with 250 DEG C of flue gases;The cooling heat exchanger 3 is that the flue gas in temperature rise heat exchanger 2 out is carried out with air Heat exchange;Burner is hybrid burner 4 in the incinerator 1, what this burner can obtain 200 DEG C of flue gases and 600 DEG C of flue gas heat exchanges 450 DEG C or so of flue gas and air mixing after-combustion, the more traditional incinerator of such flue gas burn more abundant.
Tunnel oven is equipped with long range injection air, sealing kiln bottom, full kiln car leeward, and kiln car uses totally enclosed type underbody, makes It is built by laying bricks or stones with Nomex containing zirconium and polycrystalline hardboard light material.
When implementing the present invention, due to using mixed admission burner 4 in the incinerator 1, after heat exchanger heats up The exhaust gas containing organic matter burning is sufficiently mixed with air in mixed admission burner, then the heat generated after burning is sent back to Product is heated in kiln, while increasing long range injection air in kiln, in the synergy that hot injection air and burned waste gas melt down Without using burner, (100 DEG C~600 DEG C are heated using mixed gas, 600 DEG C~1100 DEG C temperature sections below lower 1100 DEG C of temperature band The flue gas for using 1100 DEG C or more firing section burner combustions to generate).Just begin to use from 1100 DEG C baked above section Burner, 1100 DEG C of later flue gases are pumped by the smoke exhaust fan at 600 DEG C or so the places in kiln front.The set Processes and apparatus is opposite The problem of 35% or so the energy having been saved in traditional handicraft and equipment, having not only solved harmful smoke exhaust emission environment, and Energy-saving and emission-reduction are achieved the effect that.

Claims (1)

1. a kind of Industrial Stoves organic exhaust gas, which burns, recycles production technology, it includes tunnel oven and incinerator, it is characterised in that: The tunnel oven is divided into preheating section, furnace zone and cooling section, installs burner in 1100 DEG C or more of furnace zones, preheating section then passes through Organic exhaust gas burns reuse means and provides heat source;It is by an incinerator that the organic exhaust gas, which burns reuse means,(1), two Heat exchanger, three Fans and smoke discharging pipe composition, incinerator(1)Provided with two gaseous mixture burners(4), side passes through smoke evacuation Pipeline and temperature rise heat exchanger(2)It is connected, the other side passes through high temperature tracheae(10)With mixing for tunnel oven preheating section both sides kiln wall setting Close air inlet(20)Connection;Temperature rise heat exchanger(2)Another way air inlet passes through smoke discharging pipe(9)With extraction tunnel oven preheating section Contain organic compounds pipeline(17)Wind turbine(18)Gas outlet is connected, and gas outlet then passes through tracheae(14)With incinerator(1) The gaseous mixture burner of upper setting(4)It is connected;In temperature rise heat exchanger(2)Rear passes through one cooling heat exchanger of placed in series(3), Outlet pipe(11)Three tunnels are divided to be separately connected low-temperature flue gas high pressure positive blower(5), injection air high pressure positive blower(6)And smoke exhaust fan(7), Low-temperature flue gas high pressure positive blower(5)Gas outlet pass through cryogenic piping(13)It is mixed into gas port with what kiln body preheating section was arranged(20)Phase Even, injection air high pressure positive blower(6)Gas outlet then pass through injection air hose(12)With the injection air air inlet of kiln body preheating section setting (21)It is connected, smoke exhaust fan(7)Gas outlet connect waste discharge mouth(8), another way tracheae air inlet is air intake(15), go out Gas port passes through pipeline(16)It send to dry kiln;Its process is:
(1)Tunnel oven preheating section product is fired to 250 DEG C or so generated and is sent to organic exhaust gas containing organic compounds extraction and is burnt Burn reuse means;
(2)Organic exhaust gas burns reuse means will be transformed to 600 DEG C or so high-temperature gases and 200 DEG C of left sides containing organic compounds Right low-temperature flue gas, two strands of high/low temperature gases are sent into tunnel preheating section of kiln after being mixed into gas port and are heated to product;
(3)Regarding 200 DEG C or so low-temperature flue gas as injection air by high pressure positive blower and sending to tunnel preheating section of kiln makes to make kiln in kiln Interior pressure balance, the temperature difference up and down are controlled always within the scope of 10 DEG C.
CN201510913577.6A 2015-12-12 2015-12-12 Industrial Stoves organic exhaust gas, which burns, recycles production technology Active CN106871636B (en)

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CN201510913577.6A CN106871636B (en) 2015-12-12 2015-12-12 Industrial Stoves organic exhaust gas, which burns, recycles production technology

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CN106871636B true CN106871636B (en) 2018-11-06

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109012017B (en) * 2018-07-26 2024-03-08 重庆秋松环保科技有限公司 Exhaust gas treatment system and method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN85104678A (en) * 1985-06-10 1987-08-19 沈阳铝镁设计研究院 A kind of tunnel furnace to the carbon product re-baking behind bituminizing
CN101556112A (en) * 2009-05-21 2009-10-14 周绍芳 High temperature energy-saving tunnel kiln for physical thermal circulation application
CN104807325A (en) * 2014-12-09 2015-07-29 湖南奥特朗工业装备有限公司 Tunnel kiln
DE202016100564U1 (en) * 2016-02-04 2016-03-31 Extrutec Gmbh Device for heating workpieces under a protective gas atmosphere

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN85104678A (en) * 1985-06-10 1987-08-19 沈阳铝镁设计研究院 A kind of tunnel furnace to the carbon product re-baking behind bituminizing
CN101556112A (en) * 2009-05-21 2009-10-14 周绍芳 High temperature energy-saving tunnel kiln for physical thermal circulation application
CN104807325A (en) * 2014-12-09 2015-07-29 湖南奥特朗工业装备有限公司 Tunnel kiln
DE202016100564U1 (en) * 2016-02-04 2016-03-31 Extrutec Gmbh Device for heating workpieces under a protective gas atmosphere

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Effective date of registration: 20180920

Address after: 438000 169, Pagoda Road, Huangzhou District, Huanggang, Hubei.

Applicant after: Huanggang Huayao Zhongzhou Kiln Co., Ltd.

Address before: 438000 Huanggang, Hubei Huangzhou District, 169 Po Tower Road.

Applicant before: Huanggang Zhongzhou Anda Thermal Equipment Co., Ltd.

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