CN201433236Y - Emergency shut-down and automatic purging device for gas-fired furnace - Google Patents
Emergency shut-down and automatic purging device for gas-fired furnace Download PDFInfo
- Publication number
- CN201433236Y CN201433236Y CN2009201659896U CN200920165989U CN201433236Y CN 201433236 Y CN201433236 Y CN 201433236Y CN 2009201659896 U CN2009201659896 U CN 2009201659896U CN 200920165989 U CN200920165989 U CN 200920165989U CN 201433236 Y CN201433236 Y CN 201433236Y
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- gas
- valve
- purging
- solenoid valve
- furnace
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- Expired - Fee Related
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Abstract
The utility model discloses an emergency shut-down and automatic purging device for a gas-fired furnace, which comprises a gas delivery pipe connected with a heating furnace; the gas delivery pipe isprovided with a rapid cut-off valve; the gas delivery pipe between the rapid cut-off valve and the heating furnace is connected with a low-pressure nitrogen purging tube with a main solenoid valve; the purging tube is connected with an air storage tank; the purging tube between the air storage tank and the main solenoid valve is provided with a check valve; and the top of the heating furnace is provided with a main gas diffuse pipe with a vice solenoid valve. The device can fast finish shut-down and gas pipe purging, and can be also used for automatic purging and diffuse of the gas pipe in normal blow-on, with all the valves being operated remotely and the preparation time for blow-on being shortened to less than 20 minutes.
Description
Technical field
The utility model relates to a kind of gas-fired furnace with urgent blowing out automatic blowout device.
Background technology
The fuel that the plate of moderate thickness pusher-type furnace uses is high coke oven mixed gas, in use runs into power failure, cuts off the water, needs urgent blowing out under the blowing-out machine situation; Untimelyly just may cause sky, gaspipe line tempering, blast, gas leak, can cause casualties when serious as blowing out.Manually close the burner treatment time generally about 10 minutes, because that the probability of above-mentioned accident appears in people's uncertain factor is higher; If above-mentioned situation occurs in night, cause the probability of sky, gaspipe line tempering, blast, gas leak, loss of life and personal injury just higher.Process furnace point stokehold need be carried out gas line and be purged, diffuses, present most process furnace all adopts manual unlocking gas bleeding valve, nitrogen purging valve to carry out coal gas and purges, diffused each 15 minutes, add 20 minutes valve open and close operating times, blow-on prepares just to need the time more than 45 minutes.
The utility model content
The purpose of this utility model is to provide a kind of gas-fired furnace with urgent blowing out automatic blowout device, can realize the blowing out of gas-fired furnace fast and effectively and purge operation, reduces blow-on setup time.
The purpose of this utility model is achieved in that a kind of gas-fired furnace is with urgent blowing out automatic blowout device, comprise the gas conveying tube that links to each other with process furnace, repid cut-off valve is installed on gas conveying tube, on the gas conveying tube between repid cut-off valve and the process furnace, be connected the low-pressure nitrogen scavenging duct that main solenoid valve is housed, connecting gas-holder on the scavenging duct, on the scavenging duct between gas-holder and the main solenoid valve vacuum breaker is installed, the top of process furnace is being provided with the coal gas diffusion house steward that secondary magnetic valve is housed.
On the coal gas main pipe line, repid cut-off valve is set, nitrogen purging interface (solenoid control is set behind repid cut-off valve, scurry into nitrogen pipeline for avoiding coal gas, at nitrogen pipeline vacuum breaker is set), be lower than 3000pa when gas main pressure occurring, air pressure is lower than 4000pa, and when instrument air pressure is lower than the wherein any situation of 0.3MPa, process furnace will carry out urgent blowing out operation; The nitrogen magnetic valve of cutting soon when the repid cut-off valve on the gas main cuts out behind the valve is opened automatically, charges into low-pressure nitrogen in the gas line and will cut behind the valve coal gas to the gaspipe line between the burner soon and cement out burner and extinguish; The problem that builds the pressure for the gas line of avoiding certain branch road burner not have to use producing, when feeding nitrogen, the magnetic valve on the coal gas diffusion house steward also opened simultaneously and carry out diffusing of gas line, nitrogen purging will be closed in 10 minutes automatically, finish the purging of blowing out and gas line this moment.The automatic purging of gas line when this system also can be used for normal blow-on, diffuse, because the whole remote controls of valve, blow-on setup time shortens at least 20 minutes.The utility model is simple in structure, has improved working efficiency greatly, has alleviated staff's labour intensity, and is easy to use.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing.
Accompanying drawing is a syndeton synoptic diagram of the present utility model.
Embodiment
A kind of gas-fired furnace is with urgent blowing out automatic blowout device, as shown in drawings, comprise the gas conveying tube 12 that links to each other with process furnace 9, repid cut-off valve 13 is installed on gas conveying tube 12, on the gas conveying tube 12 between repid cut-off valve 13 and the process furnace 9, be connected the low-pressure nitrogen scavenging duct 5 that main solenoid valve 11 is housed, connecting gas-holder 1 on the scavenging duct 5, on the scavenging duct between gas-holder 1 and the main solenoid valve 11 vacuum breaker 2 is installed, the top of process furnace 9 is being provided with the coal gas diffusion house steward 7 that secondary magnetic valve 8 is housed.
Bypass is being provided with the arm 6 that stopcock 4 is housed respectively on the pipeline that major and minor magnetic valve 11,8 is installed.Stopcock 4 is guaranteed security of system in order to major and minor magnetic valve 11,8 is constituted backup.
Claims (2)
1, a kind of gas-fired furnace is with urgent blowing out automatic blowout device, comprise the gas conveying tube that links to each other with process furnace, it is characterized in that: repid cut-off valve is installed on gas conveying tube, on the gas conveying tube between repid cut-off valve and the process furnace, be connected the low-pressure nitrogen scavenging duct that main solenoid valve is housed, connecting gas-holder on the scavenging duct, on the scavenging duct between gas-holder and the main solenoid valve vacuum breaker is installed, the top of process furnace is being provided with the coal gas diffusion house steward that secondary magnetic valve is housed.
2, gas-fired furnace according to claim 1 is characterized in that with urgent blowing out automatic blowout device: bypass is being provided with the arm that stopcock is housed being equipped with on the pipeline of major and minor magnetic valve respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201659896U CN201433236Y (en) | 2009-07-16 | 2009-07-16 | Emergency shut-down and automatic purging device for gas-fired furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201659896U CN201433236Y (en) | 2009-07-16 | 2009-07-16 | Emergency shut-down and automatic purging device for gas-fired furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201433236Y true CN201433236Y (en) | 2010-03-31 |
Family
ID=42052047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201659896U Expired - Fee Related CN201433236Y (en) | 2009-07-16 | 2009-07-16 | Emergency shut-down and automatic purging device for gas-fired furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201433236Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103710524A (en) * | 2014-01-06 | 2014-04-09 | 鞍钢股份有限公司 | Ignition method of continuous annealing furnace |
| CN104266178A (en) * | 2014-09-25 | 2015-01-07 | 河北钢铁股份有限公司唐山分公司 | Regenerative burner capable of completely burning coal gas |
| CN105295963A (en) * | 2015-10-29 | 2016-02-03 | 山东钢铁股份有限公司 | Crude gas cleaning device for coke oven discharging pipe and control method thereof |
| CN105402730A (en) * | 2015-12-04 | 2016-03-16 | 江苏久联冶金机械制造有限公司 | Process for on-line cleaning to double rotational flow gas burner |
| CN106883868A (en) * | 2015-12-16 | 2017-06-23 | 鞍钢股份有限公司 | A kind of method for preventing coke oven basement detonation |
| CN109880656A (en) * | 2019-04-04 | 2019-06-14 | 广东宏陶陶瓷有限公司 | Double stage gas-fired furnace blowing out blowing methods |
| CN110699504A (en) * | 2019-09-04 | 2020-01-17 | 首钢京唐钢铁联合有限责任公司 | Device and method for separating blast furnace gas and sweeping steam |
| CN111947449A (en) * | 2020-08-19 | 2020-11-17 | 广东韶钢松山股份有限公司 | Gas-fired shaft kiln damping-down and reblowing system and control method |
| CN113720016A (en) * | 2021-08-19 | 2021-11-30 | 中冶赛迪工程技术股份有限公司 | Gas heating method and heat accumulating type gas heating system |
-
2009
- 2009-07-16 CN CN2009201659896U patent/CN201433236Y/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103710524A (en) * | 2014-01-06 | 2014-04-09 | 鞍钢股份有限公司 | Ignition method of continuous annealing furnace |
| CN104266178A (en) * | 2014-09-25 | 2015-01-07 | 河北钢铁股份有限公司唐山分公司 | Regenerative burner capable of completely burning coal gas |
| CN105295963A (en) * | 2015-10-29 | 2016-02-03 | 山东钢铁股份有限公司 | Crude gas cleaning device for coke oven discharging pipe and control method thereof |
| CN105402730A (en) * | 2015-12-04 | 2016-03-16 | 江苏久联冶金机械制造有限公司 | Process for on-line cleaning to double rotational flow gas burner |
| CN106883868A (en) * | 2015-12-16 | 2017-06-23 | 鞍钢股份有限公司 | A kind of method for preventing coke oven basement detonation |
| CN106883868B (en) * | 2015-12-16 | 2022-10-18 | 鞍钢股份有限公司 | Method for preventing basement of coke oven from detonating |
| CN109880656A (en) * | 2019-04-04 | 2019-06-14 | 广东宏陶陶瓷有限公司 | Double stage gas-fired furnace blowing out blowing methods |
| CN110699504A (en) * | 2019-09-04 | 2020-01-17 | 首钢京唐钢铁联合有限责任公司 | Device and method for separating blast furnace gas and sweeping steam |
| CN110699504B (en) * | 2019-09-04 | 2022-01-18 | 首钢京唐钢铁联合有限责任公司 | Device and method for separating blast furnace gas and sweeping steam |
| CN111947449A (en) * | 2020-08-19 | 2020-11-17 | 广东韶钢松山股份有限公司 | Gas-fired shaft kiln damping-down and reblowing system and control method |
| CN111947449B (en) * | 2020-08-19 | 2023-02-03 | 广东韶钢松山股份有限公司 | Gas-fired shaft kiln damping-down and reblowing system and control method |
| CN113720016A (en) * | 2021-08-19 | 2021-11-30 | 中冶赛迪工程技术股份有限公司 | Gas heating method and heat accumulating type gas heating system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100331 Termination date: 20120716 |