CN202024096U - Leakage prevention device for coal gas - Google Patents
Leakage prevention device for coal gas Download PDFInfo
- Publication number
- CN202024096U CN202024096U CN2011200440022U CN201120044002U CN202024096U CN 202024096 U CN202024096 U CN 202024096U CN 2011200440022 U CN2011200440022 U CN 2011200440022U CN 201120044002 U CN201120044002 U CN 201120044002U CN 202024096 U CN202024096 U CN 202024096U
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- CN
- China
- Prior art keywords
- coal gas
- pipe
- cylindrical shell
- leakage prevention
- cover plate
- Prior art date
- 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.)
- Expired - Lifetime
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- 239000003034 coal gas Substances 0.000 title claims abstract description 40
- 230000002265 prevention Effects 0.000 title abstract 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 35
- 239000002699 waste material Substances 0.000 claims description 15
- 239000013589 supplement Substances 0.000 claims description 11
- 239000007788 liquid Substances 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000003020 moisturizing effect Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Self-Closing Valves And Venting Or Aerating Valves (AREA)
Abstract
The utility model relates to a leakage prevention device for coal gas, which comprises a cylinder body. A liquid level meter is arranged on the surface of the cylinder body, a water supply port and an air exhaust port are disposed on the top of the cylinder body, a water delivery valve is installed at the position of the water supply port, and an air exhaust valve is mounted at the position of the air exhaust port. The bottom or the lateral side of the cylinder body is communicated with a coal gas drainer through a connecting pipeline, and a leakage prevention mechanism is arranged inside the cylinder body. The leakage prevention mechanism comprises a floating ball, a pull rod, a cover plate, a connecting rod, a fixing rod and a detachable leakage prevention pipe. The lower end of the floating ball is movably connected to the cover plate through the pull rod, the cover plate is movably connected to the connecting rod which is in hinged connection with the upper end of the fixing rod, the lower end of the fixing rod is fixed on the leakage prevention pipe, the head end of the leakage prevention pipe extends into the cylinder body, the outlet position of the leakage prevention pipe is fixed on the outer side wall of the cylinder body through a flange a, the tail end of the leakage prevention pipe is communicated with a drain pipe through a flange b, and the upper end of the drain pipe is communicated with a run-off pipe. The leakage prevention device for the coal gas has good effect, high degree of automation, safety and reliability.
Description
Technical field
The utility model relates to a kind of coal gas leakage preventer.
Background technique
Anti-leakage gas drainage device of the prior art comprises coal gas drainer and leakage preventer, and leakage preventer comprises cylindrical shell, indicating arm, baffle plate and is located at baffle plate with the floating drum in the lower cylinder body, utilize the gas pressure fluctuation, 1, when the coal gas drainer water seal is breakdown, floating drum sinks, and valve is closed automatically, thereby seal coal gas, prevent that coal gas from leaking in a large number, but under the situation of water seal low excessively (serious water shortage), valve can not be closed fully, produce gas leakage, cause potential safety hazard; 2, when the normally shutoff of the hydathode dividing plate corrosion failure common leakage preventer of a small amount of coal gas leakage.Therefore, need provide a kind of new technological scheme to solve the problems referred to above.
The model utility content
The purpose of this utility model provides a kind of gas leakage, safe and reliable coal gas leakage preventer of preventing.
The technical solution adopted in the utility model (can be connected) with any normal discharge device:
A kind of coal gas leakage preventer, comprise cylindrical shell, described drum surface is provided with level meter, described cylindrical shell top is provided with water supplement port and relief opening, described water supplement port place is equipped with delivery valve, described exhaust ports is equipped with outlet valve, described cylindrical shell bottom or side are provided with connecting tube, described cylindrical shell bottom or side are communicated with coal gas drainer by connecting tube, described coal gas drainer is provided with the hydathode inlet valve, described inner barrel is provided with anti-leakage mechanism, described anti-leakage mechanism comprises ball float, pull bar, cover plate, connecting rod, fixing rod and dismountable anti-leak pipe, described ball float lower end flexibly connects by pull bar and cover plate, and described cover plate and connecting rod flexibly connect, described connecting rod and fixing rod upper end are hinged, described fixing rod lower end is fixed on the anti-leak pipe, and described anti-leak pipe head end stretches in the cylindrical shell, and the cylindrical shell outer side wall is fixed in by flange a in described anti-leak pipe outlet port, described anti-leak pipe is terminal to be communicated with waste pipe by flange b, and described waste pipe upper end is communicated with drain pipe.
Described level meter is electrically connected with the PLC control box, and described PLC control box is electrically connected with hydathode inlet valve, delivery valve and outlet valve.
Described cylindrical shell internal fixation has baffle plate, and described baffle plate is between connecting tube and anti-leak pipe.
Described waste pipe top is higher than the cylindrical shell top.
The cross sectional area of described cover plate equals the cross sectional area of anti-leak pipe at least.
Described anti-leak pipe be shaped as " L " shape or inverted "L" shaped.
Described drain pipe be shaped as inverted "L" shaped.
The beneficial effects of the utility model: after coal gas enters cylindrical shell, utilize in the closed container gas to rise and occupy the space principle, water is extruded from the bottom, water is outside the anti-leak pipe flows out waste pipe, drawdown, cause the ball float in the anti-leakage mechanism to descend, this moment, cover plate blocked the anti-leak pipe, thereby reach the purpose that prevents gas leakage, under the situation of water seal low excessively (serious water shortage), can pass through the water supplement port moisturizing, prevent that water seal is low excessively, flange is detachable, easy access anti-leak pipe, prevent that coal gas from leaking, the utility model adds level meter (can output signal) and is beneficial to observation, when water level is lower than certain position (water level when referring to that cover plate is closed), output signal to the PLC control box,, close hydathode inlet valve (the hydathode inlet need install electric valve additional) by the output of PLC control box, exhaust ports adds outlet valve, can pass through the outlet valve exhaust, open delivery valve then and add water, when adding water to the upper limit of level meter setting, output signal is closed delivery valve, outlet valve recovers coal gas drainer operation (really realizing the coal gas drainer automatic operating) then.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is another embodiment's of the utility model a structural representation.
Wherein, 1, cylindrical shell, 2, level meter, 3, water supplement port, 4, connecting tube, 5, coal gas drainer, 6, ball float, 7, pull bar, 8, cover plate, 9, connecting rod, 10, fixing rod, 11, anti-leak pipe, 12, waste pipe, 13, flange a, 14, baffle plate, 15, flange b, 16, relief opening, 17, delivery valve, 18, outlet valve, 19, drain pipe, 20, the PLC control box, 21, the hydathode inlet valve.
Embodiment
As shown in Figure 1, a kind of coal gas leakage preventer of the present utility model, comprise cylindrical shell 1, cylindrical shell 1 surface is provided with level meter 2, cylindrical shell 1 top is provided with water supplement port 3 and relief opening 16, water supplement port 3 places are equipped with delivery valve 17, relief opening 16 places are equipped with outlet valve 18, cylindrical shell 1 bottom is provided with connecting tube 4, cylindrical shell 1 bottom is communicated with coal gas drainer 5 by connecting tube 4, coal gas drainer 5 is provided with hydathode inlet valve 21, cylindrical shell 1 internal fixation has baffle plate 14, baffle plate 14 is between connecting tube 4 and anti-leak pipe 11, cylindrical shell 1 inside is provided with anti-leakage mechanism, anti-leakage mechanism comprises ball float 6, pull bar 7, cover plate 8, connecting rod 9, fixing rod 10 and dismountable anti-leak pipe 11, ball float 6 lower ends flexibly connect by pull bar 7 and cover plate 8, cover plate 8 flexibly connects with connecting rod 9, connecting rod 9 is hinged with fixing rod 10 upper ends, fixing rod 10 lower ends are fixed on the anti-leak pipe 11, anti-leak pipe 11 head ends stretch in the cylindrical shell 1, cylindrical shell 1 outer side wall is fixed in by flange a13 in anti-leak pipe 11 outlet ports, the anti-leak pipe 11 terminal flange b15 that pass through are communicated with waste pipe 12, waste pipe 12 upper ends are communicated with drain pipe 19, level meter 2 is electrically connected with PLC control box 20, PLC control box 20 and hydathode inlet valve 21, delivery valve 17 and outlet valve 18 are electrically connected.Waste pipe 12 tops are higher than cylindrical shell 1 top, and the cross sectional area of cover plate 8 equals the cross sectional area of anti-leak pipe 11 at least, anti-leak pipe 11 be shaped as " L " shape or inverted "L" shaped, drain pipe 19 be shaped as inverted "L" shaped.
As shown in Figure 2, a kind of coal gas leakage preventer of the present utility model, comprise cylindrical shell 1, cylindrical shell 1 surface is provided with level meter 2, cylindrical shell 1 top is provided with water supplement port 3 and relief opening 16, water supplement port 3 places are equipped with delivery valve 17, relief opening 16 places are equipped with outlet valve 18, cylindrical shell 1 side is provided with connecting tube 4, cylindrical shell 1 side is communicated with coal gas drainer 5 by connecting tube 4, coal gas drainer 5 is provided with hydathode inlet valve 21, cylindrical shell 1 inside is provided with anti-leakage mechanism, anti-leakage mechanism comprises ball float 6, pull bar 7, cover plate 8, connecting rod 9, fixing rod 10 and dismountable anti-leak pipe 11, ball float 6 lower ends flexibly connect by pull bar 7 and cover plate 8, cover plate 8 flexibly connects with connecting rod 9, connecting rod 9 is hinged with fixing rod 10 upper ends, fixing rod 10 lower ends are fixed on the anti-leak pipe 11, anti-leak pipe 11 head ends stretch in the cylindrical shell 1, cylindrical shell 1 outer side wall is fixed in by flange a13 in anti-leak pipe 11 outlet ports, the anti-leak pipe 11 terminal flange b15 that pass through are communicated with waste pipe 12, waste pipe 12 upper ends are communicated with drain pipe 19, and level meter 2 is electrically connected with PLC control box 20, PLC control box 20 and hydathode inlet valve 21, delivery valve 17 and outlet valve 18 are electrically connected.Waste pipe 12 tops are higher than cylindrical shell 1 top, and the cross sectional area of cover plate 8 equals the cross sectional area of anti-leak pipe 11 at least, anti-leak pipe 11 be shaped as " L " shape or inverted "L" shaped, drain pipe 19 be shaped as inverted "L" shaped.
After coal gas enters cylindrical shell 1, coal gas punctures water seal, water flows out outside the waste pipe 12 through anti-leak pipe 11, drawdown causes the ball float 6 in the anti-leakage mechanism to descend, and this moment, cover plate 8 blocked anti-leak pipe 11, thereby reach the purpose that prevents gas leakage, under the situation of water seal low excessively (serious water shortage), can pass through water supplement port 3 moisturizings, prevent that water seal is low excessively.Flange is detachable, easy access anti-leak pipe 11, prevent that coal gas from leaking, the utility model adds level meter 2(can output signal), when water level is lower than certain position (water level when referring to that cover plate is closed), output signal to PLC control box 20, by 20 outputs of PLC control box, close hydathode inlet valve 21, relief opening 16 places add outlet valve 18, can pass through outlet valve 18 exhausts, open delivery valve 17 then and add water, when adding water to the upper limit of level meter 2 settings, output signal is closed delivery valve 17, outlet valve 18 recovers coal gas drainer 5 operations (really realizing the coal gas drainer automatic operating) then.
Claims (7)
1. coal gas leakage preventer, comprise cylindrical shell, described drum surface is provided with level meter, it is characterized in that: described cylindrical shell top is provided with water supplement port and relief opening, described water supplement port place is equipped with delivery valve, described exhaust ports is equipped with outlet valve, described cylindrical shell bottom or side are provided with connecting tube, described cylindrical shell bottom or side are communicated with coal gas drainer by connecting tube, described coal gas drainer is provided with the hydathode inlet valve, described inner barrel is provided with anti-leakage mechanism, described anti-leakage mechanism comprises ball float, pull bar, cover plate, connecting rod, fixing rod and dismountable anti-leak pipe, described ball float lower end flexibly connects by pull bar and cover plate, described cover plate and connecting rod flexibly connect, described connecting rod and fixing rod upper end are hinged, described fixing rod lower end is fixed on the anti-leak pipe, described anti-leak pipe head end stretches in the cylindrical shell, the cylindrical shell outer side wall is fixed in by flange a in described anti-leak pipe outlet port, described anti-leak pipe is terminal to be communicated with waste pipe by flange b, and described waste pipe upper end is communicated with drain pipe.
2. a kind of coal gas leakage preventer according to claim 1 is characterized in that: described level meter is electrically connected with the PLC control box, and described PLC control box is electrically connected with hydathode inlet valve, delivery valve and outlet valve.
3. a kind of coal gas leakage preventer according to claim 1 is characterized in that: described cylindrical shell internal fixation has baffle plate, and described baffle plate is between connecting tube and anti-leak pipe.
4. a kind of coal gas leakage preventer according to claim 1 is characterized in that: described waste pipe top is higher than the cylindrical shell top.
5. a kind of coal gas leakage preventer according to claim 1, it is characterized in that: the cross sectional area of described cover plate equals the cross sectional area of anti-leak pipe at least.
6. a kind of coal gas leakage preventer according to claim 1 is characterized in that: described anti-leak pipe be shaped as " L " shape or inverted "L" shaped.
7. a kind of coal gas leakage preventer according to claim 1 is characterized in that: described drain pipe be shaped as inverted "L" shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200440022U CN202024096U (en) | 2011-02-22 | 2011-02-22 | Leakage prevention device for coal gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200440022U CN202024096U (en) | 2011-02-22 | 2011-02-22 | Leakage prevention device for coal gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202024096U true CN202024096U (en) | 2011-11-02 |
Family
ID=44849045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200440022U Expired - Lifetime CN202024096U (en) | 2011-02-22 | 2011-02-22 | Leakage prevention device for coal gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202024096U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102155624A (en) * | 2011-02-22 | 2011-08-17 | 黄震洲 | Leak-proof coal gas water drainer |
| CN108468947A (en) * | 2018-05-25 | 2018-08-31 | 南通东来冶金装备有限公司 | Intelligent control wet bottom gas water trap device for preventing leakage |
| CN109582049A (en) * | 2018-12-10 | 2019-04-05 | 上海宝钢工业技术服务有限公司 | Gas burning system liquid level intelligent regulating device and method |
-
2011
- 2011-02-22 CN CN2011200440022U patent/CN202024096U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102155624A (en) * | 2011-02-22 | 2011-08-17 | 黄震洲 | Leak-proof coal gas water drainer |
| CN108468947A (en) * | 2018-05-25 | 2018-08-31 | 南通东来冶金装备有限公司 | Intelligent control wet bottom gas water trap device for preventing leakage |
| CN109582049A (en) * | 2018-12-10 | 2019-04-05 | 上海宝钢工业技术服务有限公司 | Gas burning system liquid level intelligent regulating device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180824 Address after: 226200 1 Xinglong Road, industrial park, Tai Kok estate, Huilong Town, Qidong, Jiangsu Patentee after: NANTONG CHAOCHUANG VALVE INDUSTRY CO., LTD. Address before: 226257 No. 88, Dai Xiang Village, Donghai Town, Qidong City, Nantong, Jiangsu. Patentee before: Huang Zhenzhou |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111102 |
|
| CX01 | Expiry of patent term |