CN201513720U - Reliable antileak gas water sealing overflow device - Google Patents
Reliable antileak gas water sealing overflow device Download PDFInfo
- Publication number
- CN201513720U CN201513720U CN2009202275465U CN200920227546U CN201513720U CN 201513720 U CN201513720 U CN 201513720U CN 2009202275465 U CN2009202275465 U CN 2009202275465U CN 200920227546 U CN200920227546 U CN 200920227546U CN 201513720 U CN201513720 U CN 201513720U
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- gas
- drainer
- water sealing
- pipe
- hydathode
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Abstract
The utility model provides a reliable antileak gas water sealing overflow device. The device comprises a U-shaped water sealing device (1) and a drainer (2), wherein holes are formed at the top part of the low-tension side of the drainer (2), a welded steel pipe extends upwards to exceed a water sealing pipeline of the U-shaped water sealing device (1), and is used as a pipeline communicating a drainer bleeder (11) and the air; and an overflow pipe orifice (12a) is formed on the bleeder (11), the height of the overflow pipe orifice (12a) is larger than or equal to that of a water inlet (6) of the U-shaped water sealing implement (1), and the overflow pipe orifice (12a) is connected with an overflow pipe (12). The drainer is added with the diffusing function, when the gas pressure is high enough to make the drainer emit gas, the gas overflows from the water inlet and outlet of the drainer, the bleeder extracts part of gas with the help of subpressure function because of a certain height, and releases to the air, thereby preventing the leaked gas from existing around the drainer, and alleviating the harmfulness of an accident; and when the water sealing overflow passes through the drainer, the effective height of the water sealing is increased, and the safety is greatly improved.
Description
Technical field
The utility model relates to a kind of reliable anti-leakage gas water seal overflow mechanism, is applied to adopt water seal to cut off the enterprise and the user of coal gas.Belong to gas leakage preventing technology field
Background technique
Coal is the main composition part of China's energy always.Coal gas and the fast development of the by-product gas in the industrial production that factory utilizes coal to produce.Metallurgy industry is from reducing the energy, and environmental protection is considered, is also using by-product gas widely, and various new equipments are also in constantly using.
The accident potential of Gas Production, purification, conveying and use equipment, facility is more, and what wherein jeopardize the safety maximum is ubiquitous gas leakage." industrial enterprise's gas safety rules " (GB6222-2005) mandatory provision, reliable partition apparatus should be established in the position of all frequent maintenance.
In factory's gas purification, recovery, use and the transmission pipeline network, water seal is used comparatively general." industrial enterprise's gas safety rules " are middle regulation (GB6222-2005): water seal is contained in when other partition apparatus is in parallel afterwards to be used, and is only reliable partition apparatus.The effective height of water seal is that the coal gas calculating pressure adds 500mm at least, and should make regular check on water seal height, forbids waste pipe, spill pipe are directly entered sewerage.
The problem that prior art exists:
A, existing industrial enterprise are in the design of coal gas water seal, mostly be to adopt to establish the water seal intake pipe in the perforate of gas pipe line suction side, the water seal spill pipe is established in the outlet side perforate, utilizes water seal moisturizing height shutoff coal gas, though there are the many potential safety hazards of leaking easily of main gas pipe road weld bond in simplicity of design.
In b, the production run, when coal gas seal butterfly valve fault before the water seal can not featuring rigid cutting-off coal gas, the seal pipe of overflow mechanism not only bore the water heavy load, also need bear the pipeline impact load that the gas pressure fluctuation produces, and caused pipe vibration, rocked; Excessive pressure can puncture water seal, and accident to leak the coal gas takes place.
In c, the overflow mechanism using process in parallel with water seal, when hydathode because of body fault or gas pressure when excessive, a large amount of coal gas overflow from the hydathode entery and delivery port, accumulate in around the hydathode, seriously jeopardize personal device security.
Summary of the invention
The purpose of this utility model is to solve the prior art problem, designs a kind of safer reliable anti-leakage gas water seal overflow mechanism.
The technical solution of the utility model: reliable anti-leakage gas water seal overflow mechanism of the present utility model comprises U-shaped liquid packing and hydathode, it is characterized in that: at hydathode low voltage side top drilling, welded steel pipe extends upwardly to above 2～3 meters of seal pipe, the pipeline that communicates with atmosphere as the hydathode exhaust stack; Establish the overflow mouth of pipe on exhaust stack, the height of the overflow mouth of pipe is greater than or equal to the height of U-shaped liquid packing water intake, and the overflow mouth of pipe connects spill pipe.
The beneficial effects of the utility model:
A, hydathode have increased and have diffused function.When gas pressure is too high and when making hydathode emit coal gas, coal gas overflows from the hydathode entery and delivery port, exhaust stack is because of there being certain altitude, its suction function can be taken part coal gas away, to aerial release, avoid leakage gas to be stored in around the hydathode, alleviated accident harmfulness.
B, water seal overflow just increase by a bypass tube overflow outwardly by behind the hydathode, have in fact increased the effective height of water seal; Be that water seal height adds 500mm by the coal gas calculating pressure, add the hydathode height, its Safety performance improves greatly.
C, under inspecting state, the hydathode inlet tube and outlet tube is closed, the water seal overflow is overflowed by hydathode, because the mouth of pipe promotes the back and communicates with atmosphere, is in atmospheric pressure state, has avoided the overflow water problems of too, saved the water source, simultaneously also improve spill pipe and directly fed sewerage generation siphonage, caused water seal water losing issue, avoided the siphon accident to leak the coal gas.
D, the technical program are only established the water seal intake pipe at the gas pipe line outlet side, and the water seal overflow is then carried out overflow by the hydathode exhaust stack, reduce by one weld bond on the main gas pipe road, reduce potential coal gas leak source.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
As Fig. 1: reliable anti-leakage gas water seal overflow mechanism of the present utility model comprises U-shaped liquid packing 1 and hydathode 2, at hydathode 2 low voltage side top drilling 2a, welded steel pipe extends upwardly to above 2～3 meters of the seal pipe 1a of U-shaped liquid packing 1, communicate with atmosphere as hydathode exhaust stack 11,11a is the opening that leads to atmosphere; Establish overflow mouth of pipe 12a on exhaust stack 11, the height of overflow mouth of pipe 12a is greater than or equal to the height of U-shaped liquid packing 1 water intake 6, and overflow mouth of pipe 12a connects spill pipe 12.Generally exceed 5～10cm, overflow mouth of pipe 12a connects spill pipe 12, and the spill pipe mouth of pipe also communicates with atmosphere, keeps the normal pressure operation.
Among the figure: the 3rd, gas inlet pipe, the 4th, the air inlet seal butterfly valve, the 5th, the coal gas steam outlet pipe, the 7th, U-shaped liquid packing inlet valve, the 8th, the gate valve that U-shaped liquid packing 1 is connected with hydathode 2, the 9th, the hydathode intake pipe, the 10th, the hydathode outlet pipe, the 13rd, towards the pipeline of trench.
Break through the water seal of U-shaped liquid packing 1 as gas pressure P after, form P at the above space clustering of the water surface
1Pressure is worked as P
1Underpressure forms with pressure balance when breaking through the second Room 2c water seal water-column of hydathode 2:
The first Room 2b P=H+P
1
The second Room 2c P
1=(H-h)+P
0
P wherein
0Be barometric pressure, H is hydathode 2 first Room 2b water seal heights, and h is hydathode 2 second Room 2c water seal heights, then its relative pressure P=H+ (H-h)=2H-h
So P＜2H
After the water seal spill pipe picked out from the hydathode top, the effective height of whole water seal had had raising in fact, and reaching whole height is that water seal height adds hydathode spill pipe H1 height, and its Safety performance improves greatly.
Coal gas drainer 2 is when normal operation, and crack hydathode intake pipe 9, hydathode waste pipe 10 keep water-in and water-out unobstructed.When hydathode 2 emitted coal gas, exhaust stack 11 a large amount of coal gas of can overflowing from the opening 11a that leads to atmosphere avoided coal gas to lodge in around ground and the equipment, cause personal intoxication accident.
Under inspecting state, hydathode 2 inlet tube and outlet tubes are closed, and the water seal overflow is overflowed by hydathode spill pipe 12, because the mouth of pipe communicates with atmosphere, are in atmospheric pressure state, have avoided overflow water excessive (waste pipe feeding sewerage) and the siphon accident of generation.
Operating procedure:
The water seal overflow mechanism puts into operation:
(1) when the user stops using coal gas, close U-shaped liquid packing 1 preceding seal butterfly valve 4, close hydathode 2 intake pipes 9, outlet pipe 10.
(2) open U-shaped liquid packing 1 water supply valve 7 to the water seal full water, after spill pipe 12 water outlets, turn down water supply valve 7, keep micro-overflow.
(3) subsequent operation slightly.
The water seal overflow mechanism is stopped transport:
(1) hydrophone 2 outlet pipes 10 that begin to rehearse bleed off water in the U-shaped liquid packing 1.
(2) hydrophone 2 intake pipes 9 that begin to rehearse, moisturizing keeps hydathode 2 overflows.
(3) open U-shaped liquid packing 1 preceding seal butterfly valve 4, supply gas to the user.
(4) subsequent operation slightly.
Claims (2)
1. reliable anti-leakage gas water seal overflow mechanism, comprise U-shaped liquid packing (1) and hydathode (2), it is characterized in that: at hydathode (2) low voltage side top drilling, welded steel pipe extends upwardly to U-shaped liquid packing (1) more than the seal pipe, the pipeline that communicates with atmosphere as hydathode exhaust stack (11); Establish spill pipe (12a) on exhaust stack (11), the height of spill pipe (12a) is greater than or equal to the height of U-shaped liquid packing (1) water intake (6), and spill pipe (12a) connects spill pipe (12).
2. reliable anti-leakage gas water seal overflow mechanism according to claim 1 is characterized in that: hydathode exhaust stack (11) extends upwardly to above 2～3 meters of U-shaped liquid packing (1) seal pipe (1a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202275465U CN201513720U (en) | 2009-08-21 | 2009-08-21 | Reliable antileak gas water sealing overflow device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202275465U CN201513720U (en) | 2009-08-21 | 2009-08-21 | Reliable antileak gas water sealing overflow device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201513720U true CN201513720U (en) | 2010-06-23 |
Family
ID=42485131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202275465U Expired - Fee Related CN201513720U (en) | 2009-08-21 | 2009-08-21 | Reliable antileak gas water sealing overflow device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201513720U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102518942A (en) * | 2011-12-09 | 2012-06-27 | 河北省首钢迁安钢铁有限责任公司 | Gas bleeding system |
| CN103148352A (en) * | 2013-03-06 | 2013-06-12 | 中冶南方工程技术有限公司 | Coal gas water seal roof collapse early warning system and method thereof |
| CN105650479A (en) * | 2016-03-22 | 2016-06-08 | 广西华锐钢铁工程设计咨询有限责任公司 | U-shaped bidirectional coal gas water sealing device |
| CN107747638A (en) * | 2017-11-15 | 2018-03-02 | 马鞍山钢铁股份有限公司 | A kind of U-shaped water seal arrangement |
| CN109506020A (en) * | 2018-11-12 | 2019-03-22 | 江苏梅兰化工有限公司 | A kind of accident chlorine negative regualtion water-sealed device |
| CN109519568A (en) * | 2018-11-12 | 2019-03-26 | 江苏梅兰化工有限公司 | A kind of electrolysis accident chlorine negative regualtion water-sealed device |
| CN111412387A (en) * | 2020-03-04 | 2020-07-14 | 首钢京唐钢铁联合有限责任公司 | Water-sealed coal tar collecting device and method for preventing gas leakage |
-
2009
- 2009-08-21 CN CN2009202275465U patent/CN201513720U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102518942A (en) * | 2011-12-09 | 2012-06-27 | 河北省首钢迁安钢铁有限责任公司 | Gas bleeding system |
| CN102518942B (en) * | 2011-12-09 | 2013-09-25 | 河北省首钢迁安钢铁有限责任公司 | Gas bleeding system |
| CN103148352A (en) * | 2013-03-06 | 2013-06-12 | 中冶南方工程技术有限公司 | Coal gas water seal roof collapse early warning system and method thereof |
| CN103148352B (en) * | 2013-03-06 | 2016-06-29 | 中冶南方工程技术有限公司 | A kind of water seal for coal gas roof fall early warning system and method thereof |
| CN105650479A (en) * | 2016-03-22 | 2016-06-08 | 广西华锐钢铁工程设计咨询有限责任公司 | U-shaped bidirectional coal gas water sealing device |
| CN107747638A (en) * | 2017-11-15 | 2018-03-02 | 马鞍山钢铁股份有限公司 | A kind of U-shaped water seal arrangement |
| CN109506020A (en) * | 2018-11-12 | 2019-03-22 | 江苏梅兰化工有限公司 | A kind of accident chlorine negative regualtion water-sealed device |
| CN109519568A (en) * | 2018-11-12 | 2019-03-26 | 江苏梅兰化工有限公司 | A kind of electrolysis accident chlorine negative regualtion water-sealed device |
| CN111412387A (en) * | 2020-03-04 | 2020-07-14 | 首钢京唐钢铁联合有限责任公司 | Water-sealed coal tar collecting device and method for preventing gas leakage |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100623 Termination date: 20160821 |