CN202509094U - Gas spread tower anti-leakage control device - Google Patents
Gas spread tower anti-leakage control device Download PDFInfo
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- CN202509094U CN202509094U CN 201220100146 CN201220100146U CN202509094U CN 202509094 U CN202509094 U CN 202509094U CN 201220100146 CN201220100146 CN 201220100146 CN 201220100146 U CN201220100146 U CN 201220100146U CN 202509094 U CN202509094 U CN 202509094U
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Abstract
The utility model relates to a gas spread tower anti-leakage control device and belongs to the technical field of blast-furnace gas equipment in metallurgy enterprises. The gas spread tower anti-leakage control device comprises a blast-furnace gas main network (1), a butterfly valve (2), a blind-plate valve (3), an adjusting valve (4), an air-operated butterfly valve (5) and a spread tower (6). The butterfly valve, the blind-plate valve and the adjusting valve are sequentially connected with the blast-furnace gas main network, and the air-operated butterfly valve is connected between the adjusting valve and the spread tower and is a zero-leakage air-operated butterfly valve. Gas leakage amount is occupied approximately 5 percent of pipe gas-flow amount. The gas spread tower anti-leakage control device has the advantages of being capable of avoiding waste caused by the gas leakage, the saved gas can be used to generate electricity or by steel rolling users, and therefore the gas spread tower anti-leakage control device has great economic benefit and environment benefit.
Description
Technical field
The utility model relates to a kind of coal gas diffusion tower anti-leak gear, belongs to smelter blast furnace gas equipment technical field.
Background technology
Present technique is applicable to the coal gas diffusion system, and blast furnace gas diffusion system especially is because the demand of blast furnace self technology generally is provided with and diffuses tower.The coal gas amount fluctuation that blast furnace produces in iron manufacturing process is very big; And user's gas consumption fluctuations such as blast furnace air supply system hotblast stove, heater for rolling steel, boiler at present are also bigger; Cause whole coal gas system pressure transient, must diffuse and regulate pressure through diffusing tower.Diffuse in real time in order to ensure diffusing tower; The industry conventional design is to control through the interlocking of system pressure signal and variable valve, and single tube valve arrangement form is generally: butterfly valve, push-pull valve, variable valve, because the variable valve self-characteristic; The leakage of ubiquity about 5%; The coal gas of these leakages is directly arranged to air through ignition device burning back, has caused the significant wastage of the energy, and has caused the pollution of environment.
The utility model content
The utility model purpose provides a kind of coal gas diffusion tower anti-leak gear, makes full use of existing process line, under the prerequisite that does not increase process system, realizes that blast furnace gas diffuses automatic igniting, solves the problems referred to above that background technology exists.
The utility model technical scheme is:
Coal gas diffusion tower anti-leak gear; Comprising blast furnace gas is responsible for net, butterfly valve, blank-plate valve, variable valve, Pneumatic butterfly valve and diffuses tower; Butterfly valve, blank-plate valve and variable valve are responsible for net with blast furnace gas successively and are connected, and Pneumatic butterfly valve is connected variable valve and diffuses between the tower.
Described Pneumatic butterfly valve is the zero leakage Pneumatic butterfly valve, and is provided with valve source of the gas gas-holder, and Pneumatic butterfly valve is connected with the source of the gas gas-holder; Pneumatic butterfly valve requirement on the basis of zero leakage can be opened fast; Open, the shut is all below 15s; Power gas source is a nitrogen; In dead electricity or lose under the gaseity, Pneumatic butterfly valve is once opened through utilizing gas in the supporting gas-holder to accomplish, and has so just avoided under failure condition Pneumatic butterfly valve not open and has caused the generation of ductwork pressure super high pressure accident.
The Long-distance Control of Pneumatic butterfly valve is divided into has automatic and manual dual mode.
Automatic control mode is by the switch of control valve opening interlocked control Pneumatic butterfly valve.
The utility model positively effect is: there is the gas leak of about pipeline through-current capacity 5% in background technology; The utility model can avoid this part gas leak to cause waste; The coal gas of practicing thrift is used for generating electricity or supplies the steel rolling user to use, and has than large economy benefit and environmental benefit.
Description of drawings
Fig. 1 is the utility model embodiment synoptic diagram.
Among the figure: blast furnace gas is responsible for net 1, butterfly valve 2, blank-plate valve 3, variable valve 4, Pneumatic butterfly valve 5, is diffused tower 6.
Embodiment
Below, the utility model is described further through embodiment.
Coal gas diffusion tower anti-leak gear; Comprising blast furnace gas is responsible for net 1, butterfly valve 2, blank-plate valve 3, variable valve 4, Pneumatic butterfly valve 5 and diffuses tower 6; Butterfly valve, blank-plate valve and variable valve are responsible for net with blast furnace gas successively and are connected, and Pneumatic butterfly valve is connected variable valve and diffuses between the tower.Described Pneumatic butterfly valve is the zero leakage Pneumatic butterfly valve, and is provided with valve source of the gas gas-holder, and Pneumatic butterfly valve is connected with the source of the gas gas-holder; Pneumatic butterfly valve requirement on the basis of zero leakage can be opened fast; Open, the shut is all below 15s; Power gas source is a nitrogen; In dead electricity or lose under the gaseity, Pneumatic butterfly valve is once opened through utilizing gas in the supporting gas-holder to accomplish, and has so just avoided under failure condition Pneumatic butterfly valve not open and has caused the generation of ductwork pressure super high pressure accident.
The Long-distance Control of Pneumatic butterfly valve is an automatic control mode, and automatic control mode is by the switch of control valve opening interlocked control Pneumatic butterfly valve.
Embodiment is that one three arm diffuses tower: when diffusing tower 6 works better; Butterfly valve 2, blank-plate valve 3 are in normally open; When blast furnace gas is responsible for net 1 pressure above set(ting)value; Variable valve 4 is opened according to pre-set programs, and Pneumatic butterfly valve 5 is opened automatically when opening to certain aperture, and unnecessary coal gas is through diffusing tower 6 each branches and diffuse and burning.When blast furnace gas person in charge net pressure was lower than certain value, variable valve 4 turned down automatically, and Pneumatic butterfly valve 5 is closed, and leaked to prevent useful blast furnace gas.
Economic benefit: 3200 cubic metres of blast furnaces for example; Its diffuse the tower single tube ability of diffusing be 14 ten thousand steres/time; Energy-saving effect is obvious after adopting the utility model: the ton product is 991.28 cubic metres/ton to the maximum before cutting the valve installation soon, is 1058.28 cubic metres/ton after the transformation, voluminous 1058.28-991.28=67.28 cubic meter/ton; Reclaim about 55.8 cubic meters per day of blast furnace gas by 8300 tons of calculating more; 20,367 ten thousand/year, 5091.75 ten thousand KWH that can generate electricity can create 2545.8 ten thousand yuan of effects by 0.5 yuan of calculating of every degree electricity.
Claims (3)
1. coal gas diffusion tower anti-leak gear; It is characterized in that comprising blast furnace gas is responsible for net (1), butterfly valve (2), blank-plate valve (3), variable valve (4), Pneumatic butterfly valve (5) and diffuses tower (6); Butterfly valve, blank-plate valve and variable valve are responsible for net with blast furnace gas successively and are connected, and Pneumatic butterfly valve is connected variable valve and diffuses between the tower.
2. the coal gas diffusion tower anti-leak gear according to claim 1 is characterized in that described Pneumatic butterfly valve is the zero leakage Pneumatic butterfly valve.
3. according to claim 1 or 2 said coal gas diffusion tower anti-leak gear, it is characterized in that also being provided with valve source of the gas gas-holder, Pneumatic butterfly valve is connected with the source of the gas gas-holder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220100146 CN202509094U (en) | 2012-03-16 | 2012-03-16 | Gas spread tower anti-leakage control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220100146 CN202509094U (en) | 2012-03-16 | 2012-03-16 | Gas spread tower anti-leakage control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202509094U true CN202509094U (en) | 2012-10-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220100146 Expired - Lifetime CN202509094U (en) | 2012-03-16 | 2012-03-16 | Gas spread tower anti-leakage control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202509094U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103614503A (en) * | 2013-10-26 | 2014-03-05 | 芜湖新兴铸管有限责任公司 | Manual and automatic combination control system for open fire diffusion |
| CN105295964A (en) * | 2015-10-29 | 2016-02-03 | 山东钢铁股份有限公司 | Coke oven crude gas discharge control system and method |
| CN105299659A (en) * | 2015-10-29 | 2016-02-03 | 山东钢铁股份有限公司 | Automatic coke oven emission ignition control system and control method |
-
2012
- 2012-03-16 CN CN 201220100146 patent/CN202509094U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103614503A (en) * | 2013-10-26 | 2014-03-05 | 芜湖新兴铸管有限责任公司 | Manual and automatic combination control system for open fire diffusion |
| CN103614503B (en) * | 2013-10-26 | 2016-03-16 | 芜湖新兴铸管有限责任公司 | Naked light diffuses the Controlling System that hand control and automation combines |
| CN105295964A (en) * | 2015-10-29 | 2016-02-03 | 山东钢铁股份有限公司 | Coke oven crude gas discharge control system and method |
| CN105299659A (en) * | 2015-10-29 | 2016-02-03 | 山东钢铁股份有限公司 | Automatic coke oven emission ignition control system and control method |
| CN105299659B (en) * | 2015-10-29 | 2018-09-28 | 山东钢铁股份有限公司 | A kind of coke oven automatic relief Iganition control system and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 063016 Binhe Road, Hebei, Tangshan City, No. 9 Patentee after: River steel Limited by Share Ltd Tangshan branch Address before: 063016 Binhe Road, Hebei, Tangshan City, No. 9 Patentee before: Hebei Steel Co., Ltd., Tangshan Branch |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121031 |