CN112050200A - Anti-knock coal injection heating furnace - Google Patents
Anti-knock coal injection heating furnace Download PDFInfo
- Publication number
- CN112050200A CN112050200A CN202010813493.6A CN202010813493A CN112050200A CN 112050200 A CN112050200 A CN 112050200A CN 202010813493 A CN202010813493 A CN 202010813493A CN 112050200 A CN112050200 A CN 112050200A
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- China
- Prior art keywords
- gas
- pipeline
- coal injection
- furnace
- combustion
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C7/00—Combustion apparatus characterised by arrangements for air supply
- F23C7/02—Disposition of air supply not passing through burner
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
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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
- F23J11/00—Devices for conducting smoke or fumes, e.g. flues
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2209/00—Specific waste
- F23G2209/14—Gaseous waste or fumes
Abstract
The invention discloses an anti-knock coal injection heating furnace, which relates to the technical field of coal injection heating furnaces and comprises a flue gas furnace, a waste gas pipeline, a combustion-supporting pipeline and a diffusing pipe, wherein the waste gas pipeline, the combustion-supporting pipeline and the diffusing pipe are communicated with the flue gas furnace, and the diffusing pipe is communicated with a diffusing treatment box. The operation of operating personnel from the outside is convenient for, and the installation is swift simple, ensures that equipment is intact and the operating rate. Avoid the gas pollution in the stove, in time handle combustible gas, the incasement liquid has the effect of in time filtering gas.
Description
Technical Field
The invention relates to the technical field of coal injection heating furnaces, in particular to an anti-knock coal injection heating furnace.
Background
The normal operation of the coal injection heating furnace plays a decisive factor for the temperature production of the medium-speed mill, and plays an important role in the normal and stable production of a coal injection system. In the actual production process, the equipment requires full sealing to avoid air leakage, the heating furnace runs in a full-sealed negative pressure state no matter whether the heating furnace is produced or not, an operator cannot see the inherent gas concentration content, the gas can not be effectively cut off by the gas quick-cutting valve, the regulating valve and the butterfly valve in the actual production, slight leakage is often caused after production stoppage, the heating furnace is stopped for a long time to cause the gas gathering phenomenon in the heating furnace, the gas cannot be effectively discharged after being diffused, the gas is ignited during production, the heating furnace knocks when the starting production is ignited because the gathered gas concentration reaches the explosion limit and meets the open fire to cause the heating furnace knocks, and the potential safety hazard is caused and the equipment is damaged to influence the production condition when the starting production is caused each time. The danger of coal gas existing in the heating furnace is very strong, and the discharged flue gas in the furnace can cause great pollution if not treated.
Disclosure of Invention
The invention provides an anti-knock coal injection heating furnace, which is used for dispersing coal gas accumulated in the furnace in air, opening a ventilation device to keep negative pressure in the furnace when the production is stopped, closing the ventilation device to keep a negative pressure state after normal use when the coal gas is ignited by open fire during production, avoiding safety accidents after the installation of the device, reducing equipment damage and ensuring normal and stable production of coal injection. The operation of operating personnel from the outside is convenient for, and the installation is swift simple, ensures that equipment is intact and the operating rate. Avoid the gas pollution in the stove, in time handle combustible gas, the incasement liquid has the effect of in time filtering gas.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the utility model provides an anti-knock's coal injection heating furnace, includes the flue gas stove, still includes the exhaust gas conduit, combustion-supporting pipeline and the diffusion pipe that are linked together with the flue gas stove, and the diffusion pipe is linked together with the diffusion processing case.
The technical scheme of the invention is further improved as follows: at least three diffusion treatment boxes are arranged and communicated with the diffusion pipes.
The technical scheme of the invention is further improved as follows: the diffusion treatment box comprises a box body wall, in-box liquid arranged in the diffusion treatment box, a diffusion pipe outlet which is communicated with the diffusion pipe and is arranged on the side wall surface in the diffusion treatment box and above the liquid level, a gas control cover plate arranged above the diffusion pipe outlet, an igniter fixedly connected to the lower surface of the gas control cover plate, and an ignition controller for controlling the ignition action of the igniter, wherein the lower edge of the gas control cover plate is arranged below the liquid level.
The technical scheme of the invention is further improved as follows: the cross section of the gas control cover plate is an arc line extending downwards.
The technical scheme of the invention is further improved as follows: the diffusion treatment box further comprises a signal floating plate hinged to the edge below the gas control cover plate, and the signal floating plate is arranged at one end opposite to the outlet of the diffusion pipe.
The technical scheme of the invention is further improved as follows: the distance between the lowest end of the gas control cover plate and the bottom of the diffusion treatment box is greater than the height of the gas control cover plate.
The technical scheme of the invention is further improved as follows: the opening of the waste gas pipeline on the inner wall of the flue gas furnace and the opening of the combustion-supporting pipeline on the inner wall of the flue gas furnace are positioned at the same horizontal position, and the opening of the diffusing pipe on the inner wall of the flue gas furnace is arranged at one side opposite to the opening of the waste gas pipeline on the inner wall of the flue gas furnace and the opening of the combustion-supporting pipeline on the inner wall of the flue gas furnace.
The technical scheme of the invention is further improved as follows: the waste gas pipeline is positioned on the right of the diffusing pipe, and the combustion-supporting pipeline is positioned on the right of the waste gas pipeline.
The technical scheme of the invention is further improved as follows: the waste gas pipeline is provided with a waste gas fan, the combustion-supporting pipeline is provided with a combustion-supporting fan, and the diffusing pipe is provided with a diffusing fan.
Due to the adoption of the technical scheme, the invention has the technical progress that:
the invention adds the ventilation device on the pipeline of the combustion fan, forms the ventilation effect by opening the heating furnace to diffuse, so that the coal gas gathered in the furnace is diffused in the air, the ventilation device is opened to keep the negative pressure in the furnace when the production is stopped, when the open fire ignites the coal gas during the production, the ventilation device is closed to keep the negative pressure state after the normal use, the safety accident is avoided after the device is installed, the equipment damage is reduced, and the normal and stable production of coal injection is ensured. The furnace is convenient for operating from the outside by operating personnel, realizes the control of the process in the furnace at any time and any place, avoids the positive pressure in the furnace, avoids the coal gas gathering in the heating furnace, is quick and simple to install, ensures the smooth production, and ensures the intact equipment and the operation rate. Avoid the gas pollution in the stove, in time handle combustible gas, the incasement liquid has the effect of in time filtering gas.
At least three diffuse and handle the case and diffuse the pipe and be linked together the degree of the processing of being convenient for control diffusion, prevent that atmospheric pressure is not enough to fill gas into the processing case that diffuses, guaranteed that sufficient processing ability that diffuses suits with atmospheric pressure, avoided the waste of equipment.
The inside setting of diffuse processing case is convenient for utilize liquid to carry out the processing that pollutes, and liquid also is favorable to the impact that the buffering explosion brought, directly removes the hidden danger of detonation accident. The gas control cover plate covers the outlet of the diffusing pipe, so that mixed gas of combustible gas and air is prevented from escaping, the mixed gas of the combustible gas and the air is diffused downwards after being exploded, and the impact of explosion is absorbed conveniently. The below edge of gas control apron is located below the liquid level, prevents that the mist of combustible gas and air from gas control apron edge diffusion or escape, the cross section of gas control apron is the camber line of downwardly extending further prevents the mist of combustible gas and air from gas control apron edge diffusion or escape, has increased the intensity of gas control apron simultaneously, has prolonged gas control apron life.
The diffuse processing case is still including articulating the signal kickboard on the below edge of gas control apron, has realized that direct mixed gas's through combustible gas and air volume comes control whether to ignite the mixed gas of combustible gas and air, has realized automatic processing to the mixed gas of combustible gas and air. The signal kickboard sets up and just can promote the signal kickboard after the gas control apron scope has been spilled over to the gas mixture of having guaranteed combustible gas and air with the relative one end of diffusing pipe export, has controlled the persistence volume of the gas mixture of combustible gas and air, prevents that the gas mixture's of combustible gas and air volume undersize from will spilling over, avoids causing the danger of frequent ignition.
The distance between the lowest end of the gas control cover plate and the bottom of the diffusion treatment box is greater than the ground height of the gas control cover plate, so that the volume of liquid in the box is ensured, and the gas control cover plate is guaranteed to be provided with enough liquid to bear impact caused by blasting.
The opening of exhaust gas pipeline on the flue gas stove inner wall and the opening of combustion-supporting pipeline on the flue gas stove inner wall are located same horizontal position, the opening setting of diffusing pipe on the flue gas stove inner wall is in the one side relative with the opening of exhaust gas pipeline on the flue gas stove inner wall and the opening of combustion-supporting pipeline on the flue gas stove inner wall, be convenient for control gas flow direction, make in the mixed gas of combustible gas and the air blown a large amount of inflow diffusing pipes, the handling capacity to the mixed gas of combustible gas and air has been strengthened, prevent that the mixed gas of combustible gas and air from remaining too much. The waste gas pipeline is located the right of diffusing pipe, and combustion-supporting pipeline is located the right of waste gas pipeline, and waste gas pipeline is located the centre of two pipelines, is convenient for drive the flow of the mist of combustible gas and air, is convenient for blow the mist entering diffusing pipe of combustible gas and air. Be provided with the waste gas fan on the waste gas pipeline, be provided with combustion-supporting fan on the combustion-supporting pipeline, be provided with the diffusion fan on the diffusion pipe, increased the power that wind pressure and gas flow, the effectual misce bene or the reverse flow that prevents combustible gas and air, the ratio of the power through each fan of control is convenient for control combustible gas and air's misce bene's flow direction.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a cutaway structure at A-A in FIG. 1;
the device comprises a flue gas furnace 1, a diffusing pipe 2, a diffusing fan 3, a diffusing treatment box 4, a diffusing pipe outlet 4a, a diffusing pipe outlet 4b, an igniter 4c, a signal floating plate 4d, a gas control cover plate 4e, a box body wall 4f, in-box liquid 5, a burner 6, a medium-speed mill 7, an exhaust gas fan 8, an exhaust gas pipeline 9, a combustion-supporting fan 10, a combustion-supporting pipeline 11, combustible gas 12 and a three-way valve.
Detailed Description
The present invention will be described in further detail with reference to the following examples:
as shown in fig. 1 and 2, the anti-knock coal injection heating furnace comprises a flue gas furnace 1, a waste gas pipeline 8, a combustion-supporting pipeline 10, a diffusion pipe 2 and a diffusion treatment box 4, wherein the waste gas pipeline 8, the combustion-supporting pipeline 10 and the diffusion pipe 2 are communicated with the flue gas furnace 1, the diffusion pipe 2 is communicated with the diffusion treatment box 4, and at least three diffusion treatment boxes 4 are arranged to be communicated with the diffusion pipe 2. The diffusing pipe 2 is provided with a three-way valve 12, and the three-way valve 12 can control the gas to flow into the diffusing pipe 2 communicated with the diffusing treatment box 4 or flow into the diffusing pipe 2 not communicated with the diffusing treatment box 4. The opening of the waste gas pipeline 8 on the inner wall of the flue gas furnace 1 and the opening of the combustion-supporting pipeline 10 on the inner wall of the flue gas furnace 1 are located at the same horizontal position, the opening of the diffusing pipe 2 on the inner wall of the flue gas furnace 1 is arranged at one side opposite to the opening of the waste gas pipeline 8 on the inner wall of the flue gas furnace 1 and the opening of the combustion-supporting pipeline 10 on the inner wall of the flue gas furnace 1, all gas flows from one side of the flue gas furnace 1 to the other side, and flows from one side where the waste gas pipeline 8 and the combustion-supporting pipeline 10 are located to one side where the diffusing pipe 2 is located. The exhaust gas duct 8 is located on the right of the diffusing pipe 2, the combustion-supporting duct 10 is located on the right of the exhaust gas duct 8, and the exhaust gas duct 8 is located between the diffusing pipe 2 and the combustion-supporting duct 10. The waste gas pipeline 8 is provided with a waste gas fan 7, the combustion-supporting pipeline 10 is provided with a combustion-supporting fan 9, the diffusing pipe 2 is provided with a diffusing fan 3, the three pipelines are all provided with fans, the power of different fans is different, and the effect of blowing gas is also different.
The diffusion treatment box 4 comprises a box body wall 4e, liquid 4f in the box, a diffusion pipe outlet 4a, a fuel gas control cover plate 4d, an igniter 4b, an ignition controller and a signal floating plate 4 c. The liquid 4f in the box is arranged in the diffusion treatment box 4, the outlet 4a of the diffusion tube is communicated with the diffusion tube 2, the outlet 4a of the diffusion tube is arranged on the inner side wall surface of the diffusion treatment box 4, the outlet 4a of the diffusion tube is positioned above the liquid level, the gas control cover plate 4d is arranged above the outlet 4a of the diffusion tube, the igniter 4b is fixedly connected on the lower surface of the gas control cover plate 4d, the ignition controller controls the ignition action of the igniter 4b, the lower edge of the gas control cover plate 4d is positioned below the liquid level, the cross section of the gas control cover plate 4d is an arc signal floating plate 4c which extends downwards and is hinged on the lower edge of the gas control cover plate 4d, and the signal floating plate 4c is arranged at one end opposite to the outlet 4a of the diffusion tube, compared with other positions on the gas control cover plate 4d, the signal floating plate 4c is positioned at the farthest distance from the outlet 4a of the diffusion pipe. The distance between the lowest end of the gas control cover plate 4d and the bottom of the diffusion treatment box 4 is greater than the height of the gas control cover plate 4 d. The signal floating plate 4c is provided with a sensor, the ignition controller receives a signal of the sensor, and the igniter 4b is ignited once the signal that the position of the signal floating plate 4c swings upwards and exceeds a certain angle is received.
Claims (9)
1. The utility model provides an anti-knock's coal injection heating furnace, includes flue gas stove (1), its characterized in that: the device is characterized by further comprising a waste gas pipeline (8) communicated with the flue gas furnace (1), a combustion-supporting pipeline (10) and a diffusing pipe (2), wherein the diffusing pipe (2) is communicated with the diffusing treatment box (4).
2. The anti-knock coal injection furnace according to claim 1, wherein: at least three diffusion treatment boxes (4) are arranged to be communicated with the diffusion pipe (2).
3. The anti-knock coal injection furnace according to claim 1, wherein: diffuse and handle case (4) including box body wall (4 e), set up in diffuse and handle incasement liquid (4 f) of case (4) inside, set up with diffuse pipe (2) and diffuse diffusion pipe export (4 a) that are located above the liquid level on handling case (4) inside wall face, set up in the gas control apron (4 d) of diffusing pipe export (4 a) top, fixed connection is some firearm (4 b) on gas control apron (4 d) lower surface, the ignition controller of control point firearm (4 b) ignition action, the below edge of gas control apron (4 d) is located below the liquid level.
4. The antiknocking coal injection heating furnace according to claim 3, wherein: the cross section of the gas control cover plate (4 d) is an arc line extending downwards.
5. The antiknocking coal injection heating furnace according to claim 3, wherein: diffuse and handle case (4) still including articulating signal kickboard (4 c) on the below edge of gas control apron (4 d), signal kickboard (4 c) set up with diffuse tub export (4 a) relative one end.
6. The antiknocking coal injection heating furnace according to claim 3, wherein: the distance between the lowest end of the gas control cover plate (4 d) and the bottom of the diffusion treatment box (4) is greater than the height of the gas control cover plate (4 d).
7. The anti-knock coal injection furnace according to claim 1, wherein: the opening of the waste gas pipeline (8) on the inner wall of the flue gas furnace (1) and the opening of the combustion-supporting pipeline (10) on the inner wall of the flue gas furnace (1) are positioned at the same horizontal position, and the opening of the diffusing pipe (2) on the inner wall of the flue gas furnace (1) is arranged at one side opposite to the opening of the waste gas pipeline (8) on the inner wall of the flue gas furnace (1) and the opening of the combustion-supporting pipeline (10) on the inner wall of the flue gas furnace (1).
8. The anti-knock coal injection furnace according to claim 1, wherein: the waste gas pipeline (8) is positioned on the right side of the diffusing pipe (2), and the combustion-supporting pipeline (10) is positioned on the right side of the waste gas pipeline (8).
9. The anti-knock coal injection furnace according to claim 1, wherein: a waste gas fan (7) is arranged on the waste gas pipeline (8), a combustion-supporting fan (9) is arranged on the combustion-supporting pipeline (10), and a diffusing fan (3) is arranged on the diffusing pipe (2).
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CN202010813493.6A CN112050200B (en) | 2020-08-13 | 2020-08-13 | Anti-knock coal injection heating furnace |
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CN202010813493.6A CN112050200B (en) | 2020-08-13 | 2020-08-13 | Anti-knock coal injection heating furnace |
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CN112050200B CN112050200B (en) | 2023-03-31 |
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Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH07109458A (en) * | 1993-10-13 | 1995-04-25 | Nippon Steel Chem Co Ltd | Method for treating exhaust gas in coke dry-quenching equipment |
CN201159476Y (en) * | 2008-01-15 | 2008-12-03 | 刘建军 | Waste-gas burning system |
CN201780145U (en) * | 2010-07-30 | 2011-03-30 | 徐春富 | Air-permeable and rain-proof floating ball level gauge |
CN102506205A (en) * | 2011-11-04 | 2012-06-20 | 中国科学院工程热物理研究所 | Wet-type self-resetting fire-retarding blow off valve |
CN203768319U (en) * | 2014-03-21 | 2014-08-13 | 成信绿集成股份有限公司 | Coal gas waste heat recycling device |
CN204962724U (en) * | 2015-07-27 | 2016-01-13 | 成都鑫程机械设备有限公司 | Energy -saving burner |
CN105597249A (en) * | 2016-03-15 | 2016-05-25 | 江苏同庆安全科技有限公司 | Waste gas treatment device and process with safety diffusion function |
CN205662497U (en) * | 2016-06-06 | 2016-10-26 | 中钢集团天澄环保科技股份有限公司 | Cooling device of automatic dewatering that degreases of hot producer gas in ore deposit |
CN206656625U (en) * | 2017-04-11 | 2017-11-21 | 北京市煤气热力工程设计院有限公司 | A kind of shell-and-tube heat exchanger for heated by natural gas of band leakage warning function |
CN208829612U (en) * | 2018-08-02 | 2019-05-07 | 廊坊达能新能源技术股份有限公司 | The explosion-proof release water seal arrangement of gasification furnace automatic discharge |
-
2020
- 2020-08-13 CN CN202010813493.6A patent/CN112050200B/en active Active
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07109458A (en) * | 1993-10-13 | 1995-04-25 | Nippon Steel Chem Co Ltd | Method for treating exhaust gas in coke dry-quenching equipment |
CN201159476Y (en) * | 2008-01-15 | 2008-12-03 | 刘建军 | Waste-gas burning system |
CN201780145U (en) * | 2010-07-30 | 2011-03-30 | 徐春富 | Air-permeable and rain-proof floating ball level gauge |
CN102506205A (en) * | 2011-11-04 | 2012-06-20 | 中国科学院工程热物理研究所 | Wet-type self-resetting fire-retarding blow off valve |
CN203768319U (en) * | 2014-03-21 | 2014-08-13 | 成信绿集成股份有限公司 | Coal gas waste heat recycling device |
CN204962724U (en) * | 2015-07-27 | 2016-01-13 | 成都鑫程机械设备有限公司 | Energy -saving burner |
CN105597249A (en) * | 2016-03-15 | 2016-05-25 | 江苏同庆安全科技有限公司 | Waste gas treatment device and process with safety diffusion function |
CN205662497U (en) * | 2016-06-06 | 2016-10-26 | 中钢集团天澄环保科技股份有限公司 | Cooling device of automatic dewatering that degreases of hot producer gas in ore deposit |
CN206656625U (en) * | 2017-04-11 | 2017-11-21 | 北京市煤气热力工程设计院有限公司 | A kind of shell-and-tube heat exchanger for heated by natural gas of band leakage warning function |
CN208829612U (en) * | 2018-08-02 | 2019-05-07 | 廊坊达能新能源技术股份有限公司 | The explosion-proof release water seal arrangement of gasification furnace automatic discharge |
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