CN205579162U - Gas water seal system - Google Patents
Gas water seal system Download PDFInfo
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- CN205579162U CN205579162U CN201620152142.4U CN201620152142U CN205579162U CN 205579162 U CN205579162 U CN 205579162U CN 201620152142 U CN201620152142 U CN 201620152142U CN 205579162 U CN205579162 U CN 205579162U
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- water seal
- coal gas
- funnel
- gas
- gate valve
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Abstract
The utility model belongs to the technical field of coal gas thermal power generation, concretely relates to gas water seal system. Including funnel, horizontal gas water seal with be the moisturizing part of horizontal gas water seal moisturizing, the funnel setting communicates with each other in gas piping's bottom and with gas piping's inner chamber, and pipeline and horizontal gas water seal intercommunication are passed through to the bottom of funnel, has set gradually two at least gate valves and sample valve from last under to on the pipeline, and the moisturizing is partial to be connected with horizontal gas water seal. The utility model discloses a gas water seal system solves gas water seal because of the valve dangerous accident that the trouble caused that occurs frequently, the difficult problem of gas water seal blowdown inspection, waste water reuse and pollution problem, gas water seal is easy to become invalid or punctured, cause dangerous accident, gas water seal is unable fine with the moisture in the coal gas, impurity, mud, the acid medium is collected and the inefficiency problem that arouses, the easy corruption of the insufficient contact of gas water seal and gas piping drops, arouse dangerous accident and gas leakage.
Description
[technical field]
This utility model belongs to coal gas thermal power generation technical field, is specifically related to a kind of water seal for coal gas system.
[background technology]
Coal gas is just fully developed by people as a kind of available resource, but coal gas is because of containing things such as acidity, impurity
Matter easily causes the dangerous operation of water seal for coal gas, easily causes great dangerous accident.
The water seal for coal gas system of prior art has the drawback that water seal for coal gas causes dangerous accident because of the valve fault that occurs frequently；Coal gas
Water seal blowdown checks difficulty；Contaminated wastewater and not recycling；Water seal for coal gas easily lost efficacy or punctured, and caused dangerous thing
Therefore；The inefficiency that moisture in coal gas, impurity, mud, acid medium well cannot be collected and cause by water seal for coal gas；Coal
Air water envelope insufficient with gas piping contact easily to corrode come off, cause dangerous accident and gas leak.
[summary of the invention]
For solving shortcoming present in prior art, the purpose of this utility model is to provide a kind of water seal for coal gas system, this gas liquor
Envelope system makes water seal for coal gas run safety, it is possible to be prevented effectively from the generation of dangerous accident.
The purpose of this utility model is achieved through the following technical solutions:
A kind of water seal for coal gas system, including funnel 2, horizontal water seal for coal gas 7 be the moisturizing part of horizontal water seal for coal gas 7 moisturizing,
Described funnel 2 is arranged on the bottom of gas piping 1 and communicates with the inner chamber of gas piping 1, and in the outlet of funnel 2, connection has pipe
Road 3, funnel 2 is connected with horizontal water seal for coal gas 7 by pipeline 3, pipeline 3 is disposed with from top to bottom the first gate valve 401,
Second gate valve 402 and sampling valve 6, described moisturizing part is connected with horizontal water seal for coal gas 7.
The middle part of described horizontal water seal for coal gas 7 is provided with isolation closure plate 701, and both ends are respectively set to the first detachable blocking board 702
With the second detachable blocking board 703, isolation closure plate 701 makes the inner chamber of horizontal water seal for coal gas 7 form the first mutually isolated cavity 704
With the second cavity 705, horizontal water seal for coal gas) outside be provided with communicating pipe 8, one end of communicating pipe 8 is with the first cavity 704 even
Logical, the other end and the second cavity 705 connect.
Described pipeline 3 connects with the first cavity 704 of horizontal water seal for coal gas 7, described moisturizing part and the second cavity 705
Communicate.
Described moisturizing part includes filling pipe 9 and overflow pipe 10, filling pipe and the intracavity inter-connection of horizontal water seal for coal gas 7, overflows
One end of flow tube 10 communicates with filling pipe 9, and the other end of overflow pipe 10 extends to trench 11, and trench 11 is by pipeline and circulation
Pond 12 connects.
The described water level in filling pipe 9 is higher than the water level in overflow pipe 10, and the water level in overflow pipe 10 is higher than the top of communicating pipe 8
The height in portion, the tip position of communicating pipe 8 is higher than the position of the second gate valve 402.
The first described gate valve 401 and the second gate valve 402 select hand sluice valve.
Trapezoidal funnel selected by described funnel 2, and trapezoidal funnel is extended along the length direction of gas piping 1.
Described water seal for coal gas system is when off-the-line, and the bottom of the second gate valve 402 arranges closure plate device 5, and closure plate device 5 prevents coal
Gas is revealed at the second gate valve 402.
Described isolation closure plate 701 is corrosion-resistant plate with detachable blocking board (702,703).
Described isolation closure plate 701 is anti-corrosion steel plate with detachable blocking board (702,703) material.
Compared with prior art, this utility model has the advantages that
A kind of water seal for coal gas system of the present utility model can increase discharge coal effectively by arranging funnel in the bottom of gas piping
The discharge area of the harmful substance such as moisture, impurity and mud in feed channel inner chamber, and funnel is conducive to nuisance in gas piping
The discharge of matter, improves discharge efficiency；By arranging two gate valves on the pipeline being connected with funnel, off-the-line gas liquor can be facilitated
Envelope；By sampling valve being arranged on the lower section of the gate valve being in bottom, being conducive to sampling the replacing of valve, and coal gas will not be caused
Leakage.
Further, trapezoidal funnel selected by the funnel in this utility model, and this trapezoidal funnel can also edge in the case of width is constant
And extend on the length direction of gas piping, so be conducive to increase funnel to the discharge area of harmful substance in gas piping,
Improve discharge efficiency.
Further, the water inlet port of the filling pipe in this utility model is higher than the overhead height of communicating pipe, it is possible to prevent gas pressure
The dangerous accident brought during sudden change.
Further, this utility model is by being set to removable closure plate by the two ends end face of horizontal water seal for coal gas, and detachable blocking board makes to crouch
Formula water seal for coal gas impurity in dismounting and cleaning water seal.
Further, this utility model is by being recycled to circulating water pool by overflow water, it is possible to reduce circulating water structure phenomenon, economized
Learn reagent.
[accompanying drawing explanation]
Fig. 1 is water seal for coal gas system schematic of the present utility model；
Fig. 2 is a kind of water seal for coal gas system schematic of prior art；
Fig. 3 is the another kind of water seal for coal gas system schematic of prior art.
Wherein: 1-gas piping, 2-funnel, 3-pipeline, 301-the first pipeline, 302-second pipe, 4-gate valve, 401-the first lock
Valve, 402-the second gate valve, 5-closure plate device, 6-samples valve, the horizontal water seal for coal gas of 7-, and 701-isolates closure plate, and 702-first is detachable
Closure plate, 703 second detachable blocking boards-, 704-the first cavity, 705-the second cavity, 8-communicating pipe, 9-filling pipe, 10-overflow pipe,
1001-overflow launder, 11-trench, 12 circulating water pools, 13-sewage draining exit, 14-dividing plate.
[detailed description of the invention]
Come below in conjunction with the accompanying drawings this utility model is further described.
As it is shown in figure 1, be water seal for coal gas system schematic of the present utility model, funnel 2 is weldingly fixed on the end of gas piping 1
Portion, funnel 2 is trapezoidal funnel, and along the length direction of gas piping 1, the length of trapezoidal funnel is set to 200mm；
Being connected with the outlet of funnel 2 one end of pipeline 3, the other end of pipeline 3 is connected to horizontal water seal for coal gas 7, at pipeline 3
On install the most successively first gate valve the 401, second gate valve 402 and sampling valve 6, the first gate valve 401 and the second gate valve 402
Being hand sluice valve, the first gate valve 401 and the second gate valve 402 are separately mounted to the two ends up and down of the first pipeline 301, second pipe
The upper end of 302 is connected with the second gate valve 402, the other end be connected with horizontal water seal for coal gas 7 and with the inner chamber phase of horizontal water seal for coal gas 7
Logical, second pipe 302 is installed sampling valve 6；
The middle part of horizontal water seal for coal gas 7 is provided with isolation closure plate 701, and both ends are respectively set to the first detachable blocking board 702 and the
Two detachable blocking boards 703, isolation closure plate 701 makes the inner chamber of horizontal water seal for coal gas 7 form the first cavity 704 and the second cavity 705,
First cavity 704 is with the second cavity 705 by connecting communicating pipe 8, and second pipe 302 connects with the first cavity 704；Its
In, isolation closure plate 701 is corrosion resistant steel plate with detachable blocking board (702,703) material；
Water outlet port and second cavity 705 of filling pipe 9 are connected, one end of overflow pipe 10 is communicated with filling pipe 9, another
End passes to trench 11, is connected with circulating water pool 12 by trench 11 again, is wherein additionally provided with overflow launder on the pipeline of overflow pipe 10
1001。
In water seal for coal gas system of the present utility model, at funnel 2 bottom 0.2m to 0.8m place, the first gate valve 401, horizontal coal are installed
Air water envelope 7 installs the second gate valve 402 away from ground 0.8m to 1.2m place；Wherein, the water level in filling pipe 9 is higher than overflow pipe 10
In water level, the water level in overflow pipe 10 is higher than the height at the top of communicating pipe 8, and communicating pipe is inverted U pipe, filling pipe 9
Water level exceed communicating pipe 8 top about 400mm, and the top of communicating pipe 8 is higher than installing sampling valve 6 and the second gate valve 402
Position.
Water seal for coal gas system of the present utility model, when off-the-line, arranges closure plate device 5 in the exit of the second gate valve 402, and closure plate fills
Putting 5 prevents coal gas from revealing at the second gate valve 402.
As shown in Figure 1 to Figure 3, a kind of water seal for coal gas system of the present utility model has as follows compared to existing water seal for coal gas system
Advantage:
(1) as shown in Figure 2 and Figure 3, pipeline 3 is joined directly together by existing water seal for coal gas system with gas piping 1, due to pipe
The cross-sectional area in road 3 is limited, is therefore not easy the moisture in collection gas piping 1, impurity, mud, acid medium, and manages
Road 3 and gas piping 1 insufficient contacts easily to corrode and comes off, and causes dangerous accident and gas leak；
As it is shown in figure 1, this utility model arranges funnel 2 in the bottom of gas piping 1, then the outlet of pipeline 3 with funnel 2 is connected
Connecing, trapezoidal funnel selected by funnel 2, and moisture, impurity, mud, acid medium in coal gas can well be collected by trapezoidal funnel；
Can be fully contacted with gas piping 1 and guarantee safe and reliable, prevent pipeline 3 from coming off.
(2) this utility model is installed two hand sluice valves on the pipeline 3 that trapezoidal its lower portion connects and can be facilitated off-the-line gas liquor
Envelope, when off-the-line operates, carries out off-the-line again after closing the second gate valve 402；Open sampling valve 6 detect gas content and judge second
Whether gate valve 402 is closed and is put in place, if turned off putting in place, carries out off-the-line, if the second gate valve 402 cannot completely close, the most again
Close the first gate valve 401, carry out off-the-line operation the most again；And prior art uses one gate valve 4, if event occurs in gate valve 4
Barrier will make water seal for coal gas cannot be carried out off-the-line inspection, and this utility model uses before at least twice gate valve (401,402) overcomes
State shortcoming；This utility model is at primary operational the second gate valve 402 at ordinary times, if the second gate valve 402 exists fault, then operates
One gate valve, so can also continue to carry out overhauling and changing the second gate valve 402, and only has one gate valve 4 in prior art, therefore,
Gate valve 4 breaks down to cause and is difficult to overhaul it and change, and needs by equipment full cut-off, wasting time and energy, affects whole
Process system.
(3) as it is shown in figure 1, the position of the second gate valve 402 in this utility model is less than the position at communicating pipe 8 top, therefore,
In the course of the work, the material long period of soaking such as the mud in coal gas can be made and to keep doughy state in water, it is ensured that the second gate valve
402 with the sampling switch of valve 6 and being hardly damaged；
As shown in Figure 2 and Figure 3, the gate valve of existing water seal for coal gas is all arranged on water seal for coal gas top with sampling valve, compares water seal for coal gas
Water level high (such as Fig. 2) or more taller than the tip position of communicating pipe 8, therefore, existing water seal for coal gas system is easily made
Valve is become to damage；Being designed as one gate valve 4 in existing water seal for coal gas system on pipeline 3, therefore gate valve 4 is easily because of the most miscellaneous
Matter impact is not easy to close and break down, and causes dangerous accident and gas leak.
(4) as it is shown in figure 1, sampling valve 6 of the present utility model is in the bottom of the second gate valve 402, therefore, it is possible to sampling valve
6 are convenient for changing safely and reliably；
As shown in Figures 2 and 3, in existing water seal for coal gas system, sampling valve 6 is arranged on gate valve 4, the most dangerous,
If gate valve 4 breaks down, be inconvenient to change, and easily cause gas leak.
(5) as it is shown in figure 1, in this utility model, the two ends end face of horizontal water seal for coal gas 7 is designed as dismountable anticorrosion and blocks up
Plate, therefore can conveniently dismantle detachable blocking board (702,703) and clear up water seal mud impurity；
Such as Fig. 2 and Fig. 3 so, in existing water seal for coal gas system, water seal for coal gas row dirty mouth 13 be typically designed as
The inspection sewage draining exit of about DN150-DN200, this sewage draining exit inconvenience personnel clear up water seal for coal gas, and easily corrosion leakage coal
Gas causes dangerous accident.
(6) as it is shown in figure 1, in this utility model, the sewer of water seal for coal gas, overflow water flow into trench 11 to circulating water pool
12, because water seal for coal gas sewer, overflow water contain acid medium, the alkaline matter in circulating water pool 12 therefore can be neutralized,
Reduce circulating water structure phenomenon, save chemical agent；
As shown in Figures 2 and 3, existing water seal for coal gas sewer, overflow water flow into trench, waste and corrode trench and
Easily cause pollution.
(7) as it is shown in figure 1, in this utility model, the water inlet port of the filling pipe 9 of water seal for coal gas is arranged on water seal body relatively
Communicating pipe 8 top about about 400mm, thereby, it is ensured that water seal for coal gas safe and reliable operation；
As shown in Figure 2 and Figure 3, existing water seal water replenishing be arranged on water seal body or and the top of communicating pipe 8 flush, work as coal
Easily cause water seal a large amount of water overflow during atmospheric pressure sudden change, cause water seal for coal gas easily lost efficacy or punctured, cause dangerous accident.
Water seal for coal gas system the most of the present utility model:
(1) solve water seal for coal gas and occur frequently the dangerous accident that fault causes because of valve.
(2) solve water seal for coal gas blowdown and check difficult problem.
(3) waste water reuse and pollution problem are solved.
(4) solve water seal for coal gas easily lost efficacy or punctured, cause dangerous accident.
(5) effect that the moisture in coal gas, impurity, mud, acid medium well cannot be collected and cause by water seal for coal gas is solved
The low problem of rate.
(6) solve water seal for coal gas insufficient with gas piping contact easily to corrode come off, cause dangerous accident and gas leak.
Claims (9)
1. a water seal for coal gas system, it is characterized in that, including funnel (2), horizontal water seal for coal gas (7) and be the moisturizing part of horizontal water seal for coal gas (7) moisturizing, described funnel (2) is arranged on the bottom of gas piping (1) and communicates with the inner chamber of gas piping (1), in the outlet of funnel (2), connection has pipeline (3), funnel (2) is connected with horizontal water seal for coal gas (7) by pipeline (3), the first gate valve (401) it is disposed with from top to bottom on pipeline (3), second gate valve (402) and sampling valve (6), described moisturizing part is connected with horizontal water seal for coal gas (7).
A kind of water seal for coal gas system the most according to claim 1, it is characterized in that, the middle part of described horizontal water seal for coal gas (7) is provided with isolation closure plate (701), both ends are respectively set to the first detachable blocking board (702) and the second detachable blocking board (703), isolation closure plate (701) makes the inner chamber of horizontal water seal for coal gas (7) form mutually isolated the first cavity (704) and the second cavity (705), the outside of horizontal water seal for coal gas (7) is provided with communicating pipe (8), one end of communicating pipe (8) connects with the first cavity (704), the other end and the second cavity (705) connection.
A kind of water seal for coal gas system the most according to claim 2, it is characterized in that, described pipeline (3) connects with first cavity (704) of horizontal water seal for coal gas (7), and described moisturizing part communicates with the second cavity (705).
A kind of water seal for coal gas system the most according to claim 2, it is characterized in that, described moisturizing part includes filling pipe (9) and overflow pipe (10), filling pipe (9) and the intracavity inter-connection of horizontal water seal for coal gas (7), one end of overflow pipe (10) communicates with filling pipe (9), the other end of overflow pipe (10) extends to trench (11), and trench (11) is connected with circulating water pool (12) by pipeline.
A kind of water seal for coal gas system the most according to claim 4, it is characterized in that, the described water level in filling pipe (9) is higher than the water level in overflow pipe (10), water level in overflow pipe (10) is higher than the height at the top of communicating pipe (8), and the tip position of communicating pipe (8) is higher than the position of the second gate valve (402).
A kind of water seal for coal gas system the most according to claim 1, it is characterised in that described the first gate valve (401) selects hand sluice valve with the second gate valve (402).
A kind of water seal for coal gas system the most according to claim 1, it is characterised in that trapezoidal funnel selected by described funnel (2), and trapezoidal funnel is extended along the length direction of gas piping (1).
A kind of water seal for coal gas system the most according to claim 1, it is characterized in that, described water seal for coal gas system is when off-the-line, and the bottom of the second gate valve (402) arranges closure plate device (5), and closure plate device (5) prevents coal gas from revealing at the second gate valve 402.
A kind of water seal for coal gas system the most according to claim 2, it is characterised in that described isolation closure plate (701) and detachable blocking board (702,703) are steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620152142.4U CN205579162U (en) | 2016-02-29 | 2016-02-29 | Gas water seal system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620152142.4U CN205579162U (en) | 2016-02-29 | 2016-02-29 | Gas water seal system |
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| Publication Number | Publication Date |
|---|---|
| CN205579162U true CN205579162U (en) | 2016-09-14 |
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ID=56871301
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620152142.4U Active CN205579162U (en) | 2016-02-29 | 2016-02-29 | Gas water seal system |
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| CN (1) | CN205579162U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106382469A (en) * | 2016-11-28 | 2017-02-08 | 无锡市莱达热工工程有限公司 | Coal gas water seal |
| CN108679268A (en) * | 2018-07-09 | 2018-10-19 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | A kind of the tail pipe air-lock device and method of extractant purification recovery system |
| CN109848146A (en) * | 2017-11-30 | 2019-06-07 | 上海梅山钢铁股份有限公司 | The online blockage-clearing device of coal gas steam trap |
| CN113309982A (en) * | 2021-05-27 | 2021-08-27 | 中冶焦耐(大连)工程技术有限公司 | Circulating water seal system and process of double-gate gas partition device |
| CN114893725A (en) * | 2022-05-05 | 2022-08-12 | 中冶华天工程技术有限公司 | Novel coal gas drainage and pollution discharge pipeline system |
-
2016
- 2016-02-29 CN CN201620152142.4U patent/CN205579162U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106382469A (en) * | 2016-11-28 | 2017-02-08 | 无锡市莱达热工工程有限公司 | Coal gas water seal |
| CN109848146A (en) * | 2017-11-30 | 2019-06-07 | 上海梅山钢铁股份有限公司 | The online blockage-clearing device of coal gas steam trap |
| CN109848146B (en) * | 2017-11-30 | 2021-11-16 | 上海梅山钢铁股份有限公司 | Online clear stifled device of coal gas steam trap |
| CN108679268A (en) * | 2018-07-09 | 2018-10-19 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | A kind of the tail pipe air-lock device and method of extractant purification recovery system |
| CN108679268B (en) * | 2018-07-09 | 2024-04-30 | 中国石油天然气集团有限公司 | Tail pipe air locking device and method of extractant purifying and recycling system |
| CN113309982A (en) * | 2021-05-27 | 2021-08-27 | 中冶焦耐(大连)工程技术有限公司 | Circulating water seal system and process of double-gate gas partition device |
| CN114893725A (en) * | 2022-05-05 | 2022-08-12 | 中冶华天工程技术有限公司 | Novel coal gas drainage and pollution discharge pipeline system |
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