CN205579163U - Two -way gas water seal device of U type - Google Patents
Two -way gas water seal device of U type Download PDFInfo
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- CN205579163U CN205579163U CN201620224547.4U CN201620224547U CN205579163U CN 205579163 U CN205579163 U CN 205579163U CN 201620224547 U CN201620224547 U CN 201620224547U CN 205579163 U CN205579163 U CN 205579163U
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Abstract
The utility model relates to a technical field is prevented leaking by gas, especially relates to a two -way gas water seal device of U type, a two -way gas water seal device of U type, includes water seal portion, water supply portion and drainage portion, water seal portion is the U -shaped tubular structure, water supply portion with water seal portion links to each other, drainage portion with water seal portion links to each other, two -way gas water seal device of U type still is equipped with moisturizing portion, the one end of moisturizing portion with water supply portion links to each other, the other end and drainage portion links to each other, drainage portion is in two -way gas water seal device of U type is in the coal gas noncongestion or the gas water seal state is all moisture down, water supply portion is in two -way gas water seal device of U type is in the coal gas noncongestion or the gas water seal state is all moisture down, the utility model discloses set up U type water seal arrangement into upper portion feedwater, the mode of lower part drainage, and the feedwater is U type water seal structure with the drainage end, can realize so no matter coal gas flow flows into U type water seal guan junke realization coal gas flow from arbitrary one end effectively cuts off.
Description
Technical field
This utility model relates to preventing gas leakage technology field, particularly relates to a kind of U-shaped two-way gas water sealing device.
Background technology
Coal gas is the gas containing combustible component prepared for Raw material processing with coal, is divided into according to processing method, gas characteristic and purposes: what coal gasification obtained is water gas, semiwater gas, air gas, coke-stove gas, blast furnace gas etc..Coal gas as the main side-product energy apply in industrial undertaking more and more extensive.Additionally, from reducing the energy, protection environment angularly considers, the use of side-product coal gas is more and more important, various new equipments are also in constantly research and development and application.According to " industrial undertaking's gas safety code " (GB6222-2005) mandatory provision, the position of all frequent maintenance should set reliable partition apparatus.When water seal is used in series after being contained in other partition apparatus, it is only reliable partition apparatus.The effective depth of water seal is that coal gas calculating pressure at least adds 500mm, and should make regular check on water seal height, forbids drain pipe, overflow pipe are inserted directly into sewer.
Such as, Application No. 201320865090.1, the patent of entitled " gas water sealing device " discloses a kind of gas water sealing device, including by the water seal tank body connected first passage and communicating pipe, gas-liquid separator, in described water sealed tank body, cavity wall is provided with waterline, water seal tank body is fixed with and its inner space the overflow pipe fair with waterline；It is fixed with the water inlet pipe with its inner space on described gas-liquid separator, described gas-liquid separator is fixed with the device for automatically regulating for being automatically adjusted water sealed tank intracoelomic cavity water level.
Although there being gas water sealing device, but existing industrial undertaking is in the design of water seal for coal gas, it is utilized in gas piping inlet side perforate more and sets water seal water inlet pipe, outlet side perforate sets water seal overflow pipe, water seal water replenishing height is utilized to block coal gas, though design is simple, but there is the problem that coal gas can only realize unidirectional partition.It addition, when normal ventilating coal gas in pipeline, cut off the water supply as feed pipe breaks down, it may occur however that coal gas leaks at water seal overflow pipe water supplement port, causes security incident.
In addition to safety problem, existing gas water sealing device water seal use is complete can only carry out draining by water trap, and drainage speed is slow, affects pipeline running time, the most not high enough in efficiency.
It is therefore desirable to a kind of be capable of multidirectional partition, be capable of the gas water sealing device that efficiently switches while ensureing safety.
Utility model content
The purpose of this utility model is to provide a kind of U-shaped two-way gas water sealing device, it is intended to solve the problem that existing gas water sealing device can not realize two-way partition.
This utility model is achieved in that a kind of U-shaped two-way gas water sealing device, and including water seal portion, water unit and Drainage Division, described water seal portion is U-shaped tubular structure, and described water unit is connected with described water seal portion, and described Drainage Division is connected with described water seal portion；Described U-shaped two-way gas water sealing device is additionally provided with moisturizing portion, and the one end in described moisturizing portion is connected with described water unit, the other end is connected with described Drainage Division；Described Drainage Division described U-shaped two-way gas water sealing device be in that coal gas is unimpeded or under water seal for coal gas state the most aqueous；Described water unit described U-shaped two-way gas water sealing device be in that coal gas is unimpeded or under water seal for coal gas state the most aqueous.
Described U-shaped two-way gas water sealing device be in coal gas unimpeded time, the most aqueous inside water seal portion, now the water of water unit does not enter inside water seal portion, but is directly entered Drainage Division by moisturizing portion, it is ensured that aqueous in Drainage Division, prevent coal gas from Drainage Division leak；And water unit water flowing always, it is ensured that coal gas will not be leaked by water unit.
When described U-shaped two-way gas water sealing device is at water seal state, water seal portion inner aqueous, now moisturizing portion closes, and water enters water seal portion by water unit, owing to Drainage Division is located at bottom water seal portion, so now Drainage Division has been also filled with water.So water unit and Drainage Division all can prevent gas leak.
Further technical scheme of the present utility model is: described water unit includes the feed pipe with multiple bend pipe structure.Multiple bend pipe structure ensure that feed pipe no longer water outlet when needing ventilating coal gas, but still has portion of water to stay in bend pipe structure, it is ensured that coal gas will not be leaked by feed pipe.
Further technical scheme of the present utility model is: described feed pipe is three bend pipe structures.Three bend pipe structures are the simplest structures that can realize function.
Further technical scheme of the present utility model is: described Drainage Division includes the water trap with multiple bend pipe structure.Even if multiple bend pipe structure ensure that water unit no longer water supply plumbing portion when needing ventilating coal gas, but still has portion of water to stay in bend pipe structure, it is ensured that coal gas will not be leaked by Drainage Division.
Further technical scheme of the present utility model is: described U-shaped two-way gas water sealing device also includes that anti-overflow portion, described anti-overflow portion are connected with described Drainage Division.The effect in anti-overflow portion is to inject more water when carrying out water seal water filling, in case water seal portion water drains to other pipelines too much.
Further technical scheme of the present utility model is: described anti-overflow portion includes that anti-overflow valve and overflow pipe, described anti-overflow valve are arranged on described Drainage Division；Described overflow pipe is closed circular structure, and the two ends of described overflow pipe are connected with the described Drainage Division separated by described anti-overflow valve respectively.During water filling, anti-overflow valve is closed, one end of overflow pipe is on the top of anti-overflow valve, the other end of overflow pipe is in the bottom of anti-overflow valve, now water is arranged at anti-overflow valve top, anti-overflow valve bottom does not then have water, according to law of connected vessels, when the liquid level within water seal portion is higher than the top of overflow pipe, hydraulic pressure can force the port of water overflow pipe above anti-overflow valve to flow into and flow out from the other end of anti-overflow valve underflow flow tube, thus the effect of liquid level in playing balance water seal portion, it is ensured that in water seal portion, the maximum height of liquid level is not more than the height at overflow pipe top.
Further technical scheme of the present utility model is: described overflow pipe top is additionally provided with exhaust apparatus.Coal gas within overflow pipe can be discharged by described exhaust apparatus when water filling.
Further technical scheme of the present utility model is: the outlet of described water unit is higher than the top 50-150 mm in described anti-overflow portion.Ensure that the outlet of water unit will not had by liquid level.
Further technical scheme of the present utility model is: be additionally provided with draining test valve on described overflow pipe, and the installation site of described draining test valve is higher than 300-800 bottom described water seal portion
mm.Described draining test valve can help to judge the water content within described water seal portion.
Further technical scheme of the present utility model is: described water seal portion U-shaped tubular structure a diameter of
200-3500 mm.The size in described water seal portion can in very large range regulate, and meets the needs of most of the circumstances.
The beneficial effects of the utility model are: U-shaped water seal arrangement is set to the mode of " draining of feedwater+bottom, top " by this utility model, and feedwater and discharge ends are U-shaped sealing structure for water, so can realize no matter Gas Flow and flow into U-shaped water sealing (sealing water) pipe from any one end and all can realize Gas Flow and effectively cut off.Additionally, the seal water system that this utility model provides can install stop valve in many places, it is achieved seal water system and external interface all use " stop valve+U-shaped water seal " or the pattern of " stop valve+blind plate ", cut off safe and reliable, dangerous without gas leak.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the U-shaped two-way gas water sealing device that this utility model embodiment provides.
Reference: 1-U type water sealing (sealing water) pipe；2-U type feed pipe；3-Quick drainage valve；4-fast drain-pipe；5-U type water seal water replenishing pipe；6-U type water seal water replenishing valve；7-U type water seal water-supply valve；8-feeds water non-return valve；9-feeds water main valve；10-outlet pipe；11-water trap water compensating valve；12-water trap filling pipe；13-water trap；Gate valve under 14-water trap import；15-water trap import bottom test valve；16-drain pipe；Gate valve in 17-water trap import；18-water trap import top test valve；19-overflow pipe stop valve；20-Quick drainage test valve；Overflow pipe closed by 21-U type；22-overflow pipe exhaustor；23-overflow pipe air bleeding valve.
Detailed description of the invention
Embodiment one is as shown in Figure 1.
Fig. 1 shows the schematic diagram of the U-shaped two-way gas water sealing device of the offer that this utility model provides.
A kind of U-shaped two-way gas water sealing device, including water seal portion, water unit and Drainage Division, described water seal portion is U-shaped tubular structure, and described water unit is connected with described water seal portion, and described Drainage Division is connected with described water seal portion；Described U-shaped two-way gas water sealing device is additionally provided with moisturizing portion, and the one end in described moisturizing portion is connected with described water unit, the other end is connected with described Drainage Division；Described Drainage Division described U-shaped two-way gas water sealing device be in that coal gas is unimpeded or under water seal for coal gas state the most aqueous；Described water unit described U-shaped two-way gas water sealing device be in that coal gas is unimpeded or under water seal for coal gas state the most aqueous.
The corresponding U-shaped water sealing (sealing water) pipe 1 in water seal portion in this specific embodiment.
Water unit includes U-shaped feed pipe 2, U-shaped water seal water replenishing pipe 5, U-shaped water seal water replenishing valve 6, U-shaped water seal water-supply valve 7；Feedwater non-return valve 8；Feedwater main valve 9 and outlet pipe 10.
Drainage Division includes gate valve 17 in water trap 13, drain pipe 16, water trap import, water trap import top test valve 18.In order to accelerate drainage speed, it is also provided with Quick drainage valve 3 and fast drain-pipe 4.It is provided with blind plate between flange end and fast drain-pipe 4 after Quick drainage valve 3.
Moisturizing portion includes water trap water compensating valve 11 and water trap filling pipe 12.
Described U-shaped two-way gas water sealing device be in coal gas unimpeded time, the most aqueous inside water seal portion, now the water of water unit does not enter inside water seal portion, but is directly entered Drainage Division by moisturizing portion, it is ensured that aqueous in Drainage Division, prevent coal gas from Drainage Division leak；And water unit water flowing always, it is ensured that coal gas will not be leaked by water unit.
When described U-shaped two-way gas water sealing device is at water seal state, water seal portion inner aqueous, now moisturizing portion closes, and water enters water seal portion by water unit, owing to Drainage Division is located at bottom water seal portion, so now Drainage Division has been also filled with water.So water unit and Drainage Division all can prevent gas leak.
As can see from Figure 1: described water unit includes the feed pipe with multiple bend pipe structure, described feed pipe is three bend pipe structures.In this specific embodiment, feed pipe refers to U-shaped feed pipe 2.Multiple bend pipe structure ensure that feed pipe no longer water outlet when needing ventilating coal gas, but still has portion of water to stay in bend pipe structure, it is ensured that coal gas will not be leaked by feed pipe.Three bend pipe structures are the simplest structures that can realize function.
As can see from Figure 1: described Drainage Division includes the water trap 13 with multiple bend pipe structure.Even if multiple bend pipe structure ensure that water unit no longer water supply plumbing portion when needing ventilating coal gas, but still has portion of water to stay in bend pipe structure, it is ensured that coal gas will not be leaked by Drainage Division.
As can see from Figure 1: described U-shaped two-way gas water sealing device also includes that anti-overflow portion, described anti-overflow portion are connected with described Drainage Division.The effect in anti-overflow portion is to inject more water when carrying out water seal water filling, in case water seal portion water drains to other pipelines too much.Described anti-overflow portion includes that anti-overflow valve and overflow pipe, described anti-overflow valve are arranged on described Drainage Division；Described overflow pipe is closed circular structure, and the two ends of described overflow pipe are connected with the described Drainage Division separated by described anti-overflow valve respectively.During water filling, anti-overflow valve is closed, one end of overflow pipe is on the top of anti-overflow valve, the other end of overflow pipe is in the bottom of anti-overflow valve, now water is arranged at anti-overflow valve top, anti-overflow valve bottom does not then have water, according to law of connected vessels, when the liquid level within water seal portion is higher than the top of overflow pipe, hydraulic pressure can force the port of water overflow pipe above anti-overflow valve to flow into and flow out from the other end of anti-overflow valve underflow flow tube, thus the effect of liquid level in playing balance water seal portion, it is ensured that in water seal portion, the maximum height of liquid level is not more than the height at overflow pipe top.Described overflow pipe top is additionally provided with exhaust apparatus.Coal gas within overflow pipe can be discharged by described exhaust apparatus when water filling.
Gate valve 14, overflow pipe stop valve 19 under in this specific embodiment, anti-overflow portion includes water trap import, U-shaped closing overflow pipe 21, overflow pipe exhaustor 22 and overflow pipe air bleeding valve 23.
The corresponding U-shaped closing overflow pipe 21 of described overflow pipe, gate valve 14 under described anti-overflow valve correspondence water trap import；Described exhaust apparatus includes overflow pipe exhaustor 22 and overflow pipe air bleeding valve 23.
The outlet of described water unit is higher than the top 50-150 mm in described anti-overflow portion.Ensure that the outlet of water unit will not had by liquid level.
It can be seen that be additionally provided with draining test valve on described overflow pipe, the installation site of described draining test valve is higher than 300-800 mm bottom described water seal portion.Described draining test valve can help to judge the water content within described water seal portion.Described draining test valve correspondence Quick drainage test valve 20.
Additionally, be additionally provided with water trap import bottom test valve 15 for checking under water trap import, whether gate valve 14 top has water.
A diameter of 200-3500 mm of the described water seal portion the most U-shaped water sealing (sealing water) pipe of U-shaped tubular structure.The size in described water seal portion can in very large range regulate, and meets the needs of most of the circumstances.
When actually used, U-shaped water sealing (sealing water) pipe 1 has two kinds of operating conditions, i.e. coal gas unimpeded and cuts off (being full of water in U-shaped water sealing (sealing water) pipe 1) two kinds of operating conditions.No matter which kind of operating condition U-shaped water sealing (sealing water) pipe 1 is in, on feedwater main valve 9 and water trap import, gate valve 17 is in the state closed all in the state opened, water trap import top test valve 17 and water trap import bottom test valve 14.
When U-shaped water sealing (sealing water) pipe 1 is gas passage, U-shaped water seal water-supply valve 7, U-shaped water seal water replenishing valve 6, Quick drainage valve 3, overflow pipe stop valve 19, Quick drainage test valve 20 and overflow pipe air bleeding valve 23 are in the state that under closed mode, water trap water compensating valve 11 and water trap import, gate valve 14 is in out.By water trap water compensating valve 11, water trap 13 is carried out moisturizing, water trap 13 moment can be made to be in water seal overflow situation, water trap 13 can be prevented effectively from and cause coal gas to leak because of hydropenia.
When U-shaped water sealing (sealing water) pipe 1 is gas partition state by gas passage State Transferring, water will be filled in U-shaped water sealing (sealing water) pipe 1.Close gate valve 14 and water trap water compensating valve 11 under water trap import the most successively, open overflow pipe stop valve 19 and overflow pipe air bleeding valve 23 successively, be then turned on U-shaped water seal water-supply valve 7 in U-shaped water sealing (sealing water) pipe 1 water filling until water trap 13 outlet has water to discharge, water has been filled in now showing U-shaped water sealing (sealing water) pipe 1, close U-shaped water seal water-supply valve 7, open U-shaped water seal water replenishing valve 6 and U-shaped water sealing (sealing water) pipe 1 is carried out moisturizing, make water trap 13 outlet be always maintained at hull-borne.
When U-shaped water sealing (sealing water) pipe 1 is gas passage state by gas partition State Transferring, will water emptying in U-shaped water sealing (sealing water) pipe 1.It is first shut off U-shaped water seal water replenishing valve 6, extract Quick drainage valve 3 rear flange end blind plate out and fast drain-pipe 4 is installed, opening Quick drainage test valve 20 and Quick drainage valve 3 successively, the water in the most U-shaped water sealing (sealing water) pipe 1 can be by fast drain-pipe 4 and water trap 13 draining simultaneously.When finding anhydrous outflow at Quick drainage test valve 20, close rapidly Quick drainage valve 3 and Quick drainage test valve 20, and unload after fast drain-pipe 4 at Quick drainage valve 3 rear flange plug at end part blind plate, in U-shaped water sealing (sealing water) pipe 1, remaining water is only discharged by water trap 13, the water being achieved in that in U-shaped water sealing (sealing water) pipe 1 is quickly discharged, and also prevent the coal gas leaked in U-shaped water sealing (sealing water) pipe 1 simultaneously and leaks into from the outlet of fast drain-pipe 4 and cause security incident around water trap 13.Finally each valve open and-shut mode being switched back to U-shaped water sealing (sealing water) pipe 1 is state during gas passage.
No matter Gas Flow flows into U-shaped water sealing (sealing water) pipe 1 from any one end, and this utility model all can realize Gas Flow and effectively cut off.
The beneficial effects of the utility model are: U-shaped water seal arrangement is set to the mode of " draining of feedwater+bottom, top " by this utility model, and feedwater and discharge ends are U-shaped sealing structure for water, so can realize no matter Gas Flow and flow into U-shaped water sealing (sealing water) pipe from any one end and all can realize Gas Flow and effectively cut off.Additionally, the seal water system that this utility model provides can install stop valve in many places, it is achieved seal water system and external interface all use " stop valve+U-shaped water seal " or the pattern of " stop valve+blind plate ", cut off safe and reliable, dangerous without gas leak.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all any amendment, equivalent and improvement etc. made within spirit of the present utility model and principle, within should be included in protection domain of the present utility model.
Claims (10)
1. a U-shaped two-way gas water sealing device, it is characterised in that: including that water seal portion, water unit and Drainage Division, described water seal portion are U-shaped tubular structure, described water unit is connected with described water seal portion, and described Drainage Division is connected with described water seal portion；Described U-shaped two-way gas water sealing device is additionally provided with moisturizing portion, and the one end in described moisturizing portion is connected with described water unit, the other end is connected with described Drainage Division；Described Drainage Division described U-shaped two-way gas water sealing device be in that coal gas is unimpeded or under water seal for coal gas state the most aqueous；Described water unit described U-shaped two-way gas water sealing device be in that coal gas is unimpeded or under water seal for coal gas state the most aqueous.
U-shaped two-way gas water sealing device the most according to claim 1, it is characterised in that: described water unit includes the feed pipe with multiple bend pipe structure.
U-shaped two-way gas water sealing device the most according to claim 2, it is characterised in that: described feed pipe is three bend pipe structures.
U-shaped two-way gas water sealing device the most according to claim 1, it is characterised in that: described Drainage Division includes the water trap with multiple bend pipe structure.
U-shaped two-way gas water sealing device the most according to claim 1, it is characterised in that: also include that anti-overflow portion, described anti-overflow portion are connected with described Drainage Division.
U-shaped two-way gas water sealing device the most according to claim 5, it is characterised in that: described anti-overflow portion includes that anti-overflow valve and overflow pipe, described anti-overflow valve are arranged on described Drainage Division；Described overflow pipe is closed circular structure, and the two ends of described overflow pipe are connected with the described Drainage Division separated by described anti-overflow valve respectively.
U-shaped two-way gas water sealing device the most according to claim 6, it is characterised in that: described overflow pipe top is additionally provided with exhaust apparatus.
U-shaped two-way gas water sealing device the most according to claim 5, it is characterised in that: the outlet of described water unit is higher than the top 50-150 mm in described anti-overflow portion.
U-shaped two-way gas water sealing device the most according to claim 6, it is characterised in that: being additionally provided with draining test valve on described overflow pipe, the installation site of described draining test valve is higher than 300-800 mm bottom described water seal portion.
10. according to described U-shaped two-way gas water sealing device arbitrary in claim 1 to 9, it is characterised in that: described water seal portion U-shaped tubular structure a diameter of
200-3500 mm。
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620224547.4U CN205579163U (en) | 2016-03-22 | 2016-03-22 | Two -way gas water seal device of U type |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620224547.4U CN205579163U (en) | 2016-03-22 | 2016-03-22 | Two -way gas water seal device of U type |
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| CN205579163U true CN205579163U (en) | 2016-09-14 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| RU2779681C1 (en) * | 2022-03-23 | 2022-09-12 | Публичное акционерное общество "Татнефть" имени В.Д. Шашина | Method for emptying a section of an oil pipeline |
| CN115449585A (en) * | 2022-08-19 | 2022-12-09 | 北京首钢股份有限公司 | Water sealing system of converter fan gas pipeline and control method thereof |
-
2016
- 2016-03-22 CN CN201620224547.4U patent/CN205579163U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| RU2779681C1 (en) * | 2022-03-23 | 2022-09-12 | Публичное акционерное общество "Татнефть" имени В.Д. Шашина | Method for emptying a section of an oil pipeline |
| CN115449585A (en) * | 2022-08-19 | 2022-12-09 | 北京首钢股份有限公司 | Water sealing system of converter fan gas pipeline and control method thereof |
| CN115449585B (en) * | 2022-08-19 | 2023-09-29 | 北京首钢股份有限公司 | Water seal system of converter fan gas pipeline and control method thereof |
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