CN104069601A - Flue gas purification system extinguishing device and method - Google Patents
Flue gas purification system extinguishing device and method Download PDFInfo
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- CN104069601A CN104069601A CN201310105900.8A CN201310105900A CN104069601A CN 104069601 A CN104069601 A CN 104069601A CN 201310105900 A CN201310105900 A CN 201310105900A CN 104069601 A CN104069601 A CN 104069601A
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- pipe
- smoke discharging
- flue gas
- discharging pipe
- purification system
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention relates to an extinguishing device and method of a purification system for carbon roasting furnace flue gas and other high-temperature flammable flue gas, belongs to the field of electrolytic aluminum factory roasting furnace flue gas and other flue gas processing, and aims to solve the problem that high-temperature flue gas in a roasting furnace flue gas purification system is easily flammable. A hole is arranged in the top part of a fume exhaust pipeline, an accident water spraying pipe is inserted in the hole, one end of the accident water spraying pipe is fixedly arranged in the fume exhaust pipeline through a positioning pipe, the spout of the accident water spraying pipe is arranged in the middle part of the fume exhaust pipeline, the other end of the accident water spraying pipe is connected to a water supply pipeline of a water supply pipe network, and a firefighting electromagnetic valve is arranged on the water supply pipeline. In a normal state, the firefighting electromagnetic valve is normally closed; when a signal detector detects that the flue gas temperature is higher than the preset value or a flame signal is detected in the fume exhaust pipeline, a processor will automatically open the firefighting electromagnetic valve, thus the accident water spraying pipe will start to spray water, the water is sprayed out from the spout of the accident water spraying pipe and enters the fume exhaust pipeline, and thus the fire is extinguished by water.
Description
Technical field
The present invention relates to the flammable flue gas purification system extinguishing device of a kind of calcining carbon kiln gas and other high temperature and method, belong to electrolytic aluminium factory baking furnace fume and other flue gas process field.
Background technology
Carbon roasting furnace is made up of the identical firing chamber of several structures, and it is fuel that roaster adopts natural gas, heavy oil or coal gas.In the pitch that Green anode making is allocated into, contain certain volatile matter, in roasting process, most of volatile is as fuel combustion in roaster, and unburned asphalt volatile constituents exists with tar state and discharges with baking furnace fume.Through operation after a while, the smoke discharging pipe inwall exporting between roasting flue gas clarification system from carbon roasting furnace will deposit and adhere to tarvia, due to the temperature higher (180 DEG C～250 DEG C) of the flue gas of calcining carbon outlet of still, in its flue, often there is Mars, easily causing flue catches fire, there is very large potential safety hazard, end-equipment (as: sack cleaner, electrical tar precipitator, boiler induced-draft fan etc.) to gas cleaning is very unfavorable, easily initiation fire, even blasts.
Therefore, prevent that smoke discharging pipe generation Ignition Phenomena from being current urgent problem.
Summary of the invention
For there being the inflammable problem of fume high-temperature in existing purifying fume from calcining furnace system; the object of the present invention is to provide a kind of flue gas purification system extinguishing device and method; it can make the flame in flue extinguish rapidly; reach and meet the normal object of producing and protecting purification end-equipment of carbon roasting furnace, improve the safety and reliability of carbon roasting furnace and whole cleaning system.
Technical scheme of the present invention is:
A kind of flue gas purification system extinguishing device, this extinguishing device comprises: emergency spray pipe, accident drainpipe, electromagnetic valve for fire control, positioning pipe, baffle plate, smoke discharging pipe, nozzle, signal detector, processor, concrete structure is as follows:
At the top drilling of smoke discharging pipe, by described perforate, at the top of smoke discharging pipe plug-in mounting emergency spray pipe, one end of emergency spray pipe is fixed in smoke discharging pipe by positioning pipe, and the nozzle of emergency spray pipe is arranged on smoke discharging pipe middle part; The other end of emergency spray pipe joins by the feedwater piping in flange and water supply network, and electromagnetic valve for fire control is installed on feedwater piping;
In the bottom opening of smoke discharging pipe, by described perforate, at the bottom of smoke discharging pipe installation accident drainpipe, the end outlet place of accident drainpipe arranges baffle plate, baffle plate by the negative pressure automatic pick in smoke discharging pipe on emergency spray pipe;
Signal detector is installed on smoke discharging pipe, and the output of signal detector, electromagnetic valve for fire control is connected with processor respectively, and the input of signal detector extends in smoke discharging pipe.
Described flue gas purification system extinguishing device, on smoke discharging pipe, weld a flanged short tube, emergency spray pipe is connected by flange with flanged short tube, and flange link position on emergency spray pipe arranges reinforcement, one end of emergency spray pipe is stretched in smoke discharging pipe, and this end is fixed in smoke discharging pipe by positioning pipe.
Described flue gas purification system extinguishing device, nozzle is located on smoke discharging pipe center line, and nozzle quantity arranges one or more.
Described flue gas purification system extinguishing device, accident drainpipe is square tube or pipe, is arranged on the downstream of smoke discharging pipe airflow direction.
Described flue gas purification system extinguishing device, according to actual needs, one or more extinguishing device is set in flue gas purification system, and its installation site is at roaster outlet, water cooling tower entrance, electrical tar precipitator entrance, sack cleaner entrance, main induced draft fan entrance or bypass fans entrance; Or extinguishing device is arranged in the flammable flue gas system of high temperature or on existing smoke discharging pipe.
The flue gas purification system extinguishing method that utilizes described device, under normal circumstances, electromagnetic valve for fire control is normally closed, and processor opens and closes according to the flue-gas temperature value of setting or flare up fire control electromagnetic valve for fire control; When signal detector detects in flue-gas temperature is higher than setting value or smoke discharging pipe when flare up fire detected, electromagnetic valve for fire control is opened in processor control automatically, by emergency spray pipe automatic water jetting, water sprays in smoke discharging pipe through the nozzle of emergency spray pipe, realizes the object of sprinkling fire.
Described flue gas purification system extinguishing method, under the percussion of water, opens baffle plate automatically, and the water spraying in smoke pipe is discharged automatically by accident drainpipe, realizes automatically and controlling.
Described flue gas purification system extinguishing method, the import of emergency spray pipe is connected with water supply network, and in water supply network, requiring has enough water yields and hydraulic pressure, meets the requirement of flood fire extinguishing.
Advantage of the present invention and beneficial effect are:
1, flue gas purification system extinguishing device of the present invention is divided into emergency spray pipe, accident drainpipe and control system three parts, at emergency spray pipe front end, electromagnetic valve for fire control is installed, the switching of electromagnetic valve for fire control and flue-gas temperature or flare up fire interlocking, when flue-gas temperature exceedes in setting value or flue when flare up fire detected, electromagnetic valve for fire control is opened automatically, nozzle by sparge pipe sprays into flood in flue, flue pipe local forms flood, reach the object that intercepts flame spread and flood fire extinguishing, the water spraying in flue is discharged automatically by accident drainpipe, reduce the impact of moisture on downstream cleaner.
2, flue gas purification system extinguishing device of the present invention arranges a baffle plate at accident drainage pipe end, and under normal circumstances, this baffle plate at accident drainage pipe end, reduces the air leakage coefficient of cleaning system by the negative-pressure adsorption in flue.In the time of sprinkling fire, because the impact of water is pushed baffle plate open automatically, realize the object that the water spraying in flue is discharged.
Brief description of the drawings
Fig. 1 is purifying fume from calcining furnace system extinguishing device schematic diagram.
In figure, 1 emergency spray pipe; 2 accident drainpipes; 3 electromagnetic valve for fire controls; 4 positioning pipes; 5 baffle plates; 6 smoke discharging pipes; 7 nozzles; 8 signal detectors; 9 processors; 10 feedwater pipings; 11 flanged short tubes; 12 reinforcements.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail.
As shown in Figure 1, purifying fume from calcining furnace system extinguishing device of the present invention mainly comprises: emergency spray pipe 1, accident drainpipe 2, electromagnetic valve for fire control 3, positioning pipe 4, baffle plate 5, smoke discharging pipe 6, nozzle 7, signal detector 8, processor 9 etc., and concrete structure is as follows:
In the perforate as required of the relevant position, top of smoke discharging pipe 6, by described perforate at the top of smoke discharging pipe 6 plug-in mounting emergency spray pipe 1, one end of emergency spray pipe 1 is fixed in smoke discharging pipe 6 by positioning pipe 4, and the nozzle 7 of emergency spray pipe 1 is arranged on smoke discharging pipe 6 middle parts; The other end of emergency spray pipe 1 joins by the feedwater piping 10 in flange and water supply network, and electromagnetic valve for fire control 3 is installed on feedwater piping 10.Size as required, in relevant position, the bottom perforate of smoke discharging pipe 6, by described perforate at the bottom of smoke discharging pipe 6 installation accident drainpipe 2, the end outlet place of accident drainpipe 2 arranges baffle plate 5, by baffle plate 5, the outlet of accident drainpipe 2 is sealed, baffle plate 5 is by the negative pressure automatic pick in smoke discharging pipe 6 on emergency spray pipe 2, and baffle plate 5 is opened in the impact due to water in the time needing draining automatically.Signal detector 8 is installed on smoke discharging pipe 6, and the output of signal detector 8, electromagnetic valve for fire control 3 is connected with processor 9 respectively, and the input of signal detector 8 extends in smoke discharging pipe 6, for detection of the flue-gas temperature in smoke discharging pipe 6, Mars or flame.
In the present invention, on smoke discharging pipe 6, weld a flanged short tube 11, emergency spray pipe 1 is connected by flange with flanged short tube 11, and flange link position on emergency spray pipe 1 arranges reinforcement 12, one end of emergency spray pipe 1 is stretched in smoke discharging pipe 6, and this end is fixed in smoke discharging pipe 6 by positioning pipe 4.Nozzle 7 is located on smoke discharging pipe 6 center lines, and quantity can arrange one or more as required.
In the present invention, accident drainpipe 2 can be square tube or pipe, is arranged on the downstream of smoke discharging pipe 6 airflow directions, and its length can be adjusted.
Under normal circumstances, electromagnetic valve for fire control 3 is normally closed, and processor 9 opens and closes according to flue-gas temperature value or the flare up fire control electromagnetic valve for fire control 3 set, and flue-gas temperature value can be set as required.When signal detector 8 detects in flue-gas temperature is higher than setting value or smoke discharging pipe 6 when flare up fire detected, processor 9 is controlled and is automatically opened electromagnetic valve for fire control 3, by emergency spray pipe 1 automatic water jetting, water sprays in smoke discharging pipe through the nozzle 7 of emergency spray pipe 1, realizes the object of sprinkling fire.Because the percussion of water is opened baffle plate 5 automatically, the water spraying in smoke pipe is discharged automatically by accident drainpipe 2, realizes automatically and controlling.
In the present invention, one or more extinguishing device can be set according to actual needs in flue gas purification system, its installation site can export at roaster, water cooling tower entrance, electrical tar precipitator entrance, sack cleaner entrance, main induced draft fan entrance or bypass fans entrance etc. are located, and also can be used in the flammable flue gas system of other high temperature.In addition, can also on existing smoke discharging pipe, transform, implement simple and convenient.
In the present invention, 1 import of emergency spray pipe is connected with water supply network, and in water supply network, requiring has enough water yields and hydraulic pressure, meets the requirement of flood fire extinguishing.
Claims (8)
1. a flue gas purification system extinguishing device, is characterized in that, this extinguishing device comprises: emergency spray pipe, accident drainpipe, electromagnetic valve for fire control, positioning pipe, baffle plate, smoke discharging pipe, nozzle, signal detector, processor, and concrete structure is as follows:
At the top drilling of smoke discharging pipe, by described perforate, at the top of smoke discharging pipe plug-in mounting emergency spray pipe, one end of emergency spray pipe is fixed in smoke discharging pipe by positioning pipe, and the nozzle of emergency spray pipe is arranged on smoke discharging pipe middle part; The other end of emergency spray pipe joins by the feedwater piping in flange and water supply network, and electromagnetic valve for fire control is installed on feedwater piping;
In the bottom opening of smoke discharging pipe, by described perforate, at the bottom of smoke discharging pipe installation accident drainpipe, the end outlet place of accident drainpipe arranges baffle plate, baffle plate by the negative pressure automatic pick in smoke discharging pipe on emergency spray pipe;
Signal detector is installed on smoke discharging pipe, and the output of signal detector, electromagnetic valve for fire control is connected with processor respectively, and the input of signal detector extends in smoke discharging pipe.
2. according to flue gas purification system extinguishing device claimed in claim 1, it is characterized in that, on smoke discharging pipe, weld a flanged short tube, emergency spray pipe is connected by flange with flanged short tube, and flange link position on emergency spray pipe arranges reinforcement, one end of emergency spray pipe is stretched in smoke discharging pipe, and this end is fixed in smoke discharging pipe by positioning pipe.
3. according to flue gas purification system extinguishing device claimed in claim 1, it is characterized in that, nozzle is located on smoke discharging pipe center line, and nozzle quantity arranges one or more.
4. according to flue gas purification system extinguishing device claimed in claim 1, it is characterized in that, accident drainpipe is square tube or pipe, is arranged on the downstream of smoke discharging pipe airflow direction.
5. according to flue gas purification system extinguishing device claimed in claim 1, it is characterized in that, according to actual needs, one or more extinguishing device is set in flue gas purification system, and its installation site is at roaster outlet, water cooling tower entrance, electrical tar precipitator entrance, sack cleaner entrance, main induced draft fan entrance or bypass fans entrance; Or extinguishing device is arranged in the flammable flue gas system of high temperature or on existing smoke discharging pipe.
6. a flue gas purification system extinguishing method that utilizes device described in claim 1, is characterized in that, under normal circumstances, electromagnetic valve for fire control is normally closed, and processor opens and closes according to the flue-gas temperature value of setting or flare up fire control electromagnetic valve for fire control; When signal detector detects in flue-gas temperature is higher than setting value or smoke discharging pipe when flare up fire detected, electromagnetic valve for fire control is opened in processor control automatically, by emergency spray pipe automatic water jetting, water sprays in smoke discharging pipe through the nozzle of emergency spray pipe, realizes the object of sprinkling fire.
7. according to flue gas purification system extinguishing method claimed in claim 6, it is characterized in that, under the percussion of water, automatically baffle plate is opened, the water spraying in smoke pipe is discharged automatically by accident drainpipe, realizes automatically and controlling.
8. according to flue gas purification system extinguishing method claimed in claim 6, it is characterized in that, the import of emergency spray pipe is connected with water supply network, and in water supply network, requiring has enough water yields and hydraulic pressure, meets the requirement of flood fire extinguishing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310105900.8A CN104069601B (en) | 2013-03-29 | 2013-03-29 | A kind of flue gas purification system extinguishing device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310105900.8A CN104069601B (en) | 2013-03-29 | 2013-03-29 | A kind of flue gas purification system extinguishing device and method |
Publications (2)
| Publication Number | Publication Date |
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| CN104069601A true CN104069601A (en) | 2014-10-01 |
| CN104069601B CN104069601B (en) | 2016-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310105900.8A Active CN104069601B (en) | 2013-03-29 | 2013-03-29 | A kind of flue gas purification system extinguishing device and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107376176A (en) * | 2017-07-23 | 2017-11-24 | 南通奥巴安装工程有限公司 | A kind of intelligent firewall |
| CN111649595A (en) * | 2020-07-15 | 2020-09-11 | 洛阳万基炭素有限公司 | Annular smoke-discharging automatic fire extinguishing device and method for prebaked anode furnace chamber |
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| CN101130149A (en) * | 2007-06-10 | 2008-02-27 | 骆恩震 | Apparatus for fire prevention of oil smoke pipeline and purifying oil smoke |
| CN101310831A (en) * | 2007-05-21 | 2008-11-26 | 威海市正大环保设备有限公司 | Carbon calcination fume dry cleaning method and device thereof |
| CN201262110Y (en) * | 2008-08-01 | 2009-06-24 | 中国重汽集团济南技术中心有限公司 | Automatic drain valve of silencer |
| CN102151380A (en) * | 2011-03-29 | 2011-08-17 | 中国计量学院 | Flue fire detecting and automatic fire preventing and extinguishing system |
| CN202479171U (en) * | 2012-02-08 | 2012-10-10 | 陕西理工学院 | Automatic cleaning and fire prevention and extinguishing system for oil flue in catering industry |
| CN102872554A (en) * | 2012-09-20 | 2013-01-16 | 济南万瑞炭素有限责任公司 | Flue fire extinguishing purifier for roasting furnace |
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2013
- 2013-03-29 CN CN201310105900.8A patent/CN104069601B/en active Active
Patent Citations (6)
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|---|---|---|---|---|
| CN101310831A (en) * | 2007-05-21 | 2008-11-26 | 威海市正大环保设备有限公司 | Carbon calcination fume dry cleaning method and device thereof |
| CN101130149A (en) * | 2007-06-10 | 2008-02-27 | 骆恩震 | Apparatus for fire prevention of oil smoke pipeline and purifying oil smoke |
| CN201262110Y (en) * | 2008-08-01 | 2009-06-24 | 中国重汽集团济南技术中心有限公司 | Automatic drain valve of silencer |
| CN102151380A (en) * | 2011-03-29 | 2011-08-17 | 中国计量学院 | Flue fire detecting and automatic fire preventing and extinguishing system |
| CN202479171U (en) * | 2012-02-08 | 2012-10-10 | 陕西理工学院 | Automatic cleaning and fire prevention and extinguishing system for oil flue in catering industry |
| CN102872554A (en) * | 2012-09-20 | 2013-01-16 | 济南万瑞炭素有限责任公司 | Flue fire extinguishing purifier for roasting furnace |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107376176A (en) * | 2017-07-23 | 2017-11-24 | 南通奥巴安装工程有限公司 | A kind of intelligent firewall |
| CN111649595A (en) * | 2020-07-15 | 2020-09-11 | 洛阳万基炭素有限公司 | Annular smoke-discharging automatic fire extinguishing device and method for prebaked anode furnace chamber |
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| Publication number | Publication date |
|---|---|
| CN104069601B (en) | 2016-12-28 |
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