CN204254239U - A kind of low pressure huge discharge Double-clack natural gas steam trap - Google Patents
A kind of low pressure huge discharge Double-clack natural gas steam trap Download PDFInfo
- Publication number
- CN204254239U CN204254239U CN201420672512.8U CN201420672512U CN204254239U CN 204254239 U CN204254239 U CN 204254239U CN 201420672512 U CN201420672512 U CN 201420672512U CN 204254239 U CN204254239 U CN 204254239U
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- Prior art keywords
- clack
- double
- low pressure
- spool
- flap
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 54
- 239000003345 natural gas Substances 0.000 title claims abstract description 27
- 239000007788 liquid Substances 0.000 abstract description 45
- 230000002209 hydrophobic effect Effects 0.000 abstract description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000000903 blocking effect Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 26
- 239000007789 gas Substances 0.000 description 24
- 239000011435 rock Substances 0.000 description 9
- 238000007701 flash-distillation Methods 0.000 description 7
- 239000012530 fluid Substances 0.000 description 5
- 239000012535 impurity Substances 0.000 description 5
- 238000007599 discharging Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 230000002153 concerted effect Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 238000000462 isostatic pressing Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 241000233855 Orchidaceae Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000012279 drainage procedure Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Float Valves (AREA)
Abstract
The utility model belongs to gas-field exploitation equipment technical field, relate to the automatic drain air blocking device of low pressure separator, be specifically related to a kind of low pressure huge discharge Double-clack natural gas steam trap, comprise valve body, body wall top is connected with input duct, lower sidewall is connected with Drainage pipe, the top of valve body is connected with return-air duct, the inner of Drainage pipe is provided with a Double-clack spool, valve inner is provided with a ball float, the lower end of ball float connects one end of a lever, the other end of lever is fixed on Double-clack spool housing, the Double-clack flap connecting rod lower end of Double-clack valve core inside is connected with its intermediate part.Overcoming conventional hydrophobic valve cannot discharge opeing in a large number under environment under low pressure, and easily causes drain valve self-locking can not the problem of discharge opeing, parting liquid can be discharged in time fast, ensured the smooth running of production safety and equipment.
Description
Technical field
The utility model belongs to gas-field exploitation equipment technical field, relates to the automatic drain air blocking device of low pressure separator, is specifically related to a kind of low pressure huge discharge Double-clack natural gas steam trap.
Background technique
In the production technology of gas field, in separator, the automatic-discharging of parting liquid is the important ring of gas field production technology, in general conventional separators is band pressure, even if so conventional separators natural gas steam trap spool opening is little also can automatically be got rid of by liquid in separator in time.
About the design of natural gas steam trap, there is a lot of ripe structure, such as:
Patent CN203615046U discloses a kind of natural gas steam trap, comprise valve body, described valve body is provided with valve seat, the lever that one end is connected with floating ball component is provided with in valve body, the lever the other end and valve seat are rotatably connected on vertical, lever is also provided with the vertical spool arranged, described valve seat has flow channels, this flow channels has the vertical flow channels A of layout and the flow channels B of lateral arrangement, the flow channels A of described spool and valve seat enters interruption-forming opening-closing structure, is provided with the interface for being connected with external pipeline in flow channels B outlet port.
In valve body, liquid level height reaches setting value, floating ball component rises, risen by lever drives spool, therefore the flow channels A entrance of valve seat is opened, current flow out by the flow channels of valve seat, in valve body, liquid level height decline is less than setting value, and the opening-closing structure entering interruption-forming of spool and flow channels A is closed.
Intrinsic for flow channels straight-through type is changed into the L-shaped flow channels be made up of flow channels A and flow channels B by this structure, alleviates the erosion of medium to Sealing, extend the whole service life of drain valve in drainage procedure.
Patent CN202252808U provides a kind of drain valve for high-pressure natural gas, it is formed primarily of hydrophobic valve body, the liquid inlet pipe being installed on hydrophobic valve body, muffler, drain valve, vertically pull bar, keying lever and upside-down float, open uncovered structure is arranged in upside-down float location, utilize water-seal principle to form tight watertight front cover in upside-down float bottom and form totally enclosed water seal air cavity structure, make upside-down float external and internal pressure equal and become one stressed cancel out each other make a concerted effort be zero " etc. laminate ".
When needing to carry out dewatering and drainage operation: first open the return-air control valve 4 on muffler 3, the rock gas in pneumatic tube will be entered in hydrophobic valve body 10 by muffler 3 and be full of upside-down float 5.At this moment, the gas pressure in upside-down float 5 and the gas pressure in hydrophobic valve body 10 are identical with the pressure of be communicated with gas line network system.And then in turn open liquid inlet control valve 1, draining control valve 14, water body in natural-gas separator can be inputted in hydrophobic valve body 10, when the water body 11 in hydrophobic valve body 10 slowly rises to the height of necking down seal cage 18 bottom position of upside-down float 5, water body 11 is closed carrying out the uncovered structure 7 of necking down seal cage 18 bottom and forms tight water surface sealing configuration in uncovered structure 7 position, the water seal air cavity 8 of a full closed can be formed in upside-down float 5, meanwhile, the rock gas gas mixed in water body 11 water surface of also constantly overflowing enters the separation air cavity 9 on hydrophobic valve body 10 top, and it is final by the defeated pneumatic tube being back to separator of muffler 3, along with water level continuous rising and after little by little flooding upside-down float 5, upside-down float 5 will obtain one increase gradually to buoyancy, when water level continues to rise to the self gravitation of the buoyancy overcoming upside-down float 5 that upside-down float 5 can be made to obtain, vertical for drive pull bar 6 together vertically moves up by upside-down float 5, keying valve rod 12 opening water discharge valve 13 is pulled by by opening and closing lever 16 along with vertical pull bar 6 moves, outwards draining can be carried out by waste pipe 15.Along with constantly carrying out of draining, water level in hydrophobic valve body 10 declines gradually, the buoyancy that upside-down float 5 obtains also can reduce gradually, when the buoyancy that upside-down float 5 obtains is not enough to the self gravitation overcoming upside-down float 5, upside-down float 5 will vertically move down, and promote to open and close valve rod 12 and close drain valve 13 by opening and closing lever 16 and stop draining, can effectively stop rock gas gas when overflowing through drain valve 13 compared with when low water level.Circulation like this repeatedly, can realize the draining of automatic choke.And in the process of carrying out Auto-drainage operation, closing in water seal air cavity 8 that upside-down float 5 bottom formed by water surface sealing configuration is be full of compressed gas, and its pressure and hydrophobic valve body 10 upper part are equal from the gas pressure in air cavity 9 always.That is to say, the inside and outside surperficial pressure of wall body of upside-down float 5 is identical, and upside-down float 5 stressedly inside and outside one to cancel out each other, carry that to make a concerted effort be zero " etc. laminate ".It is particularly suitable for carrying out dewatering and drainage operation to rock gas under high pressure operating mode, can thoroughly avoid because overpressure shrivels the equipment accident of float.
Patent CN203176711U discloses a kind of high pressure list and leads natural gas steam trap, through upper shell, separating liquid assembly is housed in the middle of upper shell top, separating liquid assembly one end is through flange fixed plate, be welded to connect plate, its the other end is welded with water intake adapter, fixable type sealing gasket connects single guide and limit assembly, two ball float linked component moves in guide sleeve, long lever one end is connected with spool support, its the other end is connected with two ball float, short lever one end is connected with spool support, and the other end is connected with increasing float.Spool support is built with spool, valve seat adopts and is threaded on valve seat fixed plate, coupling shaft is successively through fixed block and link, spool support and valve seat fixed plate are linked together, connecting valve seat assembly connecting plate below valve seat fixed plate, the lower end of valve component connecting plate intermediate hole is welded with water outlet adapter, and water outlet adapter is through segmentation cavity wall.
Lead natural gas steam trap when high pressure list to be arranged on after on pipeline, initial stage, two float link assembly was without buoyancy, spool falls to being sitting on valve seat, drain valve is in closed condition, a large amount of rock gas is entered in valve by the mouth of pipe of water intake flange and is full of housing top and the bottom, bottom is water, and the blue mouth of pipe of gas well case top isostatic pressing is discharged in rock gas gas equipment.Along with the discharge of rock gas, water and condensate and portion of natural gas enter cavity by separating liquid assembly, rock gas still enters in gas equipment by the mouth of pipe of the isostatic pressing orchid of case top, and the buoyancy that water and condensate produce, under the driving increasing the increasing buoyancy that float produces, two ball float linked component drives long lever to rise, and spool and valve seat are departed from, and water, condensate are discharged from water outlet adapter rapidly.After water and condensate are discharged, two ball float linked component loss of buoyance drives long lever to decline, close under the leading role of guide sleeve, increase float to reset, spool is accurately landed on valve seat, drain valve stops discharge again closing, because drain valve closedown property is fine, and in housing, remain certain liquid level water seal, therefore ensure rock gas zero leakage state, this structural volume is little, cost is low.
Some above-mentioned patents are applied in hyperbaric environment mostly, and structure will for complicated, along with environmental requirement is more and more higher, the liquid of discharging in natural-gas separator needs to enter flash distillation and divides in flow container and carry out flash separation, and then the dissolved natural gas in parting liquid is separated further, enter torch burning, thus prevent from secondary flash gas from entering air causing environmental pollution.
Because flash distillation divides flow container to be connected with releasing flare, so flash distillation divides flow container working pressure when discharge opeing to be normal pressure, fluid column deadweight in tank can only be relied on to carry out discharge opeing, flash distillation divides the automatic-discharging of parting liquid in flow container can not adopt the single small structure of conventional hydrophobic valve, and single macroporous structure is having under pressure condition, can cause drain valve self-locking can not discharge opeing.
Therefore for adapting under low pressure and many liquid situation, large quantity of fluid in flow container flash distillation can be divided in time to discharge fast, to ensure production safety, smooth running, under needing a kind of energy low voltage situations badly, discharging the drain valve of large quantity of fluid.
Model utility content
The purpose of this utility model be overcome conventional hydrophobic valve cannot discharge opeing in a large number under environment under low pressure, and easily cause drain valve self-locking can not the problem of discharge opeing.
For this reason, the utility model provides a kind of low pressure huge discharge Double-clack natural gas steam trap, comprise valve body, body wall top is connected with input duct, lower sidewall is connected with Drainage pipe, the top of valve body is connected with return-air duct, the inner of Drainage pipe is provided with a Double-clack spool, valve inner is provided with a ball float, the lower end of ball float connects one end of a lever, the other end of lever is connected on Double-clack spool housing, and the Double-clack flap connecting rod lower end of Double-clack valve core inside is connected with its intermediate part.
Described Double-clack spool comprises spool valve body and the Double-clack flap connecting rod of three-port structure, and two openings up and down of spool valve body are separately installed with upper valve base and lower valve base, the side openings connected drainage pipeline of spool valve body;
Double-clack flap connecting rod runs through upper valve base and lower valve base, and cross-under fixed by Double-clack flap connecting rod upper flap and lower Disc, and the lower surface of upper flap and lower Disc presses the upper surface in upper valve base and lower valve base respectively.
Described Double-clack flap rod surface is provided with outside thread, and upper flap and lower Disc are all by being screwed on Double-clack flap connecting rod.
Described Double-clack flap connecting rod is also separately installed with flap positioning screw cap and lower Disc positioning screw cap, and the lower surface of upper flap positioning screw cap and lower Disc positioning screw cap lays respectively at flap and lower Disc upper surface place.
Described Double-clack flap connecting rod lower end and its intermediate part are by pinned connection, and pinned connection is passed through with the lower end of ball float and the housing of Double-clack spool respectively in the two ends of lever.
The lower sidewall of described valve body is also provided with manual blowdown mouth.
The outlet port of the inlet of described input duct, the outlet port of Drainage pipe, return-air duct is provided with flange plate.
The beneficial effects of the utility model:
Utilize Double-clack spool, can rapidly large quantity of fluid be discharged, to ensure production safety, smooth running.And the pressure direction acting on two flaps is contrary, thus act on flap to make a concerted effort be zero, the active force that the equipment inside and outside differential pressure of eliminating causes, make spool open the impact of not pressure difference, thus flap opening can be done greatly, the structure simultaneously owing to being Double-clack, overcurrent cross-section area after spool two flaps unlatchings is larger, improve under low pressure conditions, the drain age velocity of this equipment, thoroughly solve the large lifting rate problem that flash distillation divides flow container under low pressure conditions.
Below with reference to accompanying drawing, the utility model is described in further details.
Accompanying drawing explanation
Fig. 1 is the utility model overall structure schematic diagram.
Fig. 2 is Double-clack valve core structure schematic diagram.
Description of reference numerals: 1, input duct; 2, Drainage pipe; 3, manual blowdown mouth; 4, return-air duct; 5, valve body; 6, ball float; 7, Double-clack spool; 8, Double-clack flap connecting rod; 9, upper flap positioning screw cap; 10, upper flap; 11, upper valve base; 12, lower Disc positioning screw cap; 13, lower Disc; 14, lower valve base; 15, spool valve body; 16, lever.
Embodiment
Traditional drain valve, due to the relation of its structure, needs to have certain internal pressure when discharge parting liquid, therefore cannot discharge opeing in a large number under environment under low pressure, and easily causes drain valve self-locking can not discharge opeing.
Embodiment 1:
In order to overcome the problems referred to above, make under low pressure and many liquid situation, large quantity of fluid in flow container can flash distillation be divided to discharge fast in time, to ensure production safety, smooth running, the present embodiment designs a kind of low pressure huge discharge Double-clack natural gas steam trap, as shown in Figure 1, comprise valve body 5, valve body 5 side wall upper part is connected with input duct 1, lower sidewall is connected with Drainage pipe 2, the top of valve body 5 is connected with return-air duct 4, the inner of Drainage pipe 2 is provided with a Double-clack spool 7, valve body 5 inside is provided with a ball float 6, the lower end of ball float 6 connects one end of a lever 16, the other end of lever 16 is connected on Double-clack spool 7 housing, Double-clack flap connecting rod 8 lower end of Double-clack spool 7 inside is connected with in the middle part of lever 16.
Parting liquid flows to valve body 5 from input duct 1, and gas, due to relatively lighter, can flow out from the return-air duct 4 at valve body 5 top, enters next step process; And liquid and impurity can be gathered in valve body 5 bottom due to the reason of own wt, wherein impurity can slowly be deposited to bottom valve body 5.Along with the slowly gathering of liquid, liquid level raises gradually, ball float 6 can raise along with the rising of liquid level, after liquid level arrives certain altitude, floats on one end of the ball float 6 meeting pull lever 16 on liquid level, the other end due to lever 16 is connected on Double-clack spool 7 housing, so the medium position of lever 16 also can rise, Double-clack flap connecting rod 8 now can be driven to move upward, open passage, make liquid by Double-clack natural gas steam trap, finally discharge from Drainage pipe 2.
Embodiment 2:
On the basis of embodiment 1, as shown in Figure 2, above-mentioned Double-clack spool 7 comprises spool valve body 15 and the Double-clack flap connecting rod 8 of three-port structure, and two openings up and down of spool valve body 15 are separately installed with upper valve base 11 and lower valve base 14, the side openings connected drainage pipeline 2 of spool valve body 15;
Double-clack flap connecting rod 8 runs through upper valve base 11 and lower valve base 14, and Double-clack flap connecting rod 8 being fixed cross-under has upper flap 10 and lower Disc 13, and the lower surface of upper flap 10 and lower Disc 13 presses the upper surface in upper valve base 11 and lower valve base 14 respectively.
Parting liquid flows to valve body 5 from input duct 1, and gas, due to relatively lighter, can flow out from the return-air duct 4 at valve body 5 top, enters next step process; And liquid and impurity can be gathered in valve body 5 bottom due to the reason of own wt, wherein impurity can slowly be deposited to bottom valve body 5.Along with the slowly gathering of liquid, liquid level raises gradually, ball float 6 can raise along with the rising of liquid level, after liquid level arrives certain altitude, float on one end of the ball float 6 meeting pull lever 16 on liquid level, the other end due to lever 16 is connected on Double-clack spool 7 housing, so the medium position of lever 16 also can rise, Double-clack flap connecting rod 8 now can be driven to move upward, upper flap 10 on Double-clack flap connecting rod 8 and lower Disc 13 also can and then move up, thus depart from upper valve base 11 and lower valve base 14 respectively, upper valve base 11 and lower valve base 14 there is through hole, make parting liquid and the inner conducting of Double-clack spool 7 of gathering, parting liquid flows through upper valve base 11 and enters Double-clack spool 7 inside below upper flap 10, also can flow through lower valve base 14 simultaneously below lower Disc 13, enter Double-clack spool 7 inside, two strands of liquid finally flow out from Drainage pipe 2.
Along with continuously outflowing of parting liquid, in valve body 5, the liquid level of the parting liquid of bottom declines gradually, ball float 6 also can decline gradually, after liquid level is lower than certain altitude, according to lever principle, upper flap 10 and lower Disc 13 slowly can touch with upper valve base 11 and lower valve base 14 respectively and close, and liquid no longer flows out, until liquid level raises again, thus complete a discharge opeing cycle.
Embodiment 3:
In the present embodiment, valve plug of drain valve is double-pore structure, and the cross-section area after spool unlatching is greater than outlet caliber cross section, leads directly to, can discharge pot liquid in time so be equivalent to pipeline.
In order to upper flap 10 and lower Disc 13 are fixed, Double-clack flap connecting rod 8 surface is provided with outside thread, upper flap 10 and lower Disc 13, all by being screwed on Double-clack flap connecting rod 8, go up flap 10 and lower Disc 13 just can move with Double-clack flap connecting rod 8 simultaneously like this.Meanwhile, Double-clack flap connecting rod 8 is also separately installed with flap positioning screw cap 9 and lower Disc positioning screw cap 12, the lower surface of upper flap positioning screw cap 9 and lower Disc positioning screw cap 12 lays respectively at flap 10 and lower Disc 13 upper surface place.Such structure is easy for removal and installation.
Embodiment 4
Pass through pinned connection in the middle part of Double-clack flap connecting rod 8 lower end and lever 16, pinned connection is passed through with the lower end of ball float 6 and the housing of Double-clack spool 7 respectively in the two ends of lever 16.
The lower sidewall of valve body 5 is also provided with manual blowdown mouth 3, and manual blowdown mouth 3 is mainly used for getting rid of the impurity of final precipitation in liquid.
The outlet port of the inlet of input duct 1, the outlet port of Drainage pipe 2, return-air duct 4 is provided with flange plate, being arranged so that each pipeline is convenient and being connected with other pipelines of flange plate.
In sum, this low pressure huge discharge Double-clack natural gas steam trap of the present utility model, utilizes the Double-clack spool of its inside, in time when parting liquid is assembled more, can be discharged fast by parting liquid, ensure production safety and smooth running.
More than exemplifying is only illustrate of the present utility model, does not form the restriction to protection domain of the present utility model, everyly all belongs within protection scope of the present invention with the same or analogous design of the utility model.
Claims (9)
1. a low pressure huge discharge Double-clack natural gas steam trap, comprise valve body (5), valve body (5) side wall upper part is connected with input duct (1), lower sidewall is connected with Drainage pipe (2), the top of valve body (5) is connected with return-air duct (4), it is characterized in that: the inner of Drainage pipe (2) is provided with a Double-clack spool (7), valve body (5) inside is provided with a ball float (6), the lower end of ball float (6) connects one end of a lever (16), the other end of lever (16) is connected on Double-clack spool (7) housing, Double-clack flap connecting rod (8) lower end of Double-clack spool (7) inside is connected with lever (16) middle part.
2. low pressure huge discharge Double-clack natural gas steam trap as claimed in claim 1, it is characterized in that: described Double-clack spool (7) comprises spool valve body (15) and the Double-clack flap connecting rod (8) of three-port structure, two openings up and down of spool valve body (15) are separately installed with upper valve base (11) and lower valve base (14), the side openings connected drainage pipeline (2) of spool valve body (15);
Double-clack flap connecting rod (8) runs through upper valve base (11) and lower valve base (14), the upper fixing cross-under of Double-clack flap connecting rod (8) has upper flap (10) and lower Disc (13), and the lower surface of upper flap (10) and lower Disc (13) presses the upper surface in upper valve base (11) and lower valve base (14) respectively.
3. low pressure huge discharge Double-clack natural gas steam trap as claimed in claim 2, it is characterized in that: described Double-clack flap connecting rod (8) surface is provided with outside thread, upper flap (10) and lower Disc (13) are all by being screwed on Double-clack flap connecting rod (8).
4. low pressure huge discharge Double-clack natural gas steam trap as claimed in claim 2 or claim 3, is characterized in that: described Double-clack flap connecting rod (8) is also separately installed with flap positioning screw cap (9) and lower Disc positioning screw cap (12).
5. low pressure huge discharge Double-clack natural gas steam trap as claimed in claim 4, is characterized in that: described upper flap positioning screw cap (9) and the lower surface of lower Disc positioning screw cap (12) lay respectively at flap (10) and lower Disc (13) upper surface place.
6. low pressure huge discharge Double-clack natural gas steam trap as claimed in claim 1, is characterized in that: pinned connection is passed through at described Double-clack flap connecting rod (8) lower end and lever (16) middle part.
7. low pressure huge discharge Double-clack natural gas steam trap as claimed in claim 1, is characterized in that: pinned connection is passed through with the lower end of ball float (6) and the housing of Double-clack spool (7) respectively in the two ends of described lever (16).
8. low pressure huge discharge Double-clack natural gas steam trap as claimed in claim 1, is characterized in that: the lower sidewall of described valve body (5) is also provided with manual blowdown mouth (3).
9. low pressure huge discharge Double-clack natural gas steam trap as claimed in claim 1, is characterized in that: the outlet port of the inlet of described input duct (1), the outlet port of Drainage pipe (2), return-air duct (4) is provided with flange plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420672512.8U CN204254239U (en) | 2014-11-12 | 2014-11-12 | A kind of low pressure huge discharge Double-clack natural gas steam trap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420672512.8U CN204254239U (en) | 2014-11-12 | 2014-11-12 | A kind of low pressure huge discharge Double-clack natural gas steam trap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204254239U true CN204254239U (en) | 2015-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420672512.8U Expired - Fee Related CN204254239U (en) | 2014-11-12 | 2014-11-12 | A kind of low pressure huge discharge Double-clack natural gas steam trap |
Country Status (1)
| Country | Link |
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| CN (1) | CN204254239U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107152269A (en) * | 2017-07-03 | 2017-09-12 | 新疆熙泰石油装备有限公司 | Independent external liquid level regulation device and the gs-oil separator of external liquid level regulation |
| CN108019619A (en) * | 2017-12-21 | 2018-05-11 | 银球节能工程有限公司 | Vertical drain valve for high-pressure natural gas |
| CN108034468A (en) * | 2017-12-21 | 2018-05-15 | 银球节能工程有限公司 | Complete opening type flash chamber of natural gas is opened soon |
| CN112128603A (en) * | 2020-10-16 | 2020-12-25 | 彭刚福 | Full-pressure gas drainer without water-feeding pipeline |
| CN113405014A (en) * | 2021-06-25 | 2021-09-17 | 华能秦煤瑞金发电有限责任公司 | Novel drain valve |
-
2014
- 2014-11-12 CN CN201420672512.8U patent/CN204254239U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107152269A (en) * | 2017-07-03 | 2017-09-12 | 新疆熙泰石油装备有限公司 | Independent external liquid level regulation device and the gs-oil separator of external liquid level regulation |
| CN108019619A (en) * | 2017-12-21 | 2018-05-11 | 银球节能工程有限公司 | Vertical drain valve for high-pressure natural gas |
| CN108034468A (en) * | 2017-12-21 | 2018-05-15 | 银球节能工程有限公司 | Complete opening type flash chamber of natural gas is opened soon |
| CN108034468B (en) * | 2017-12-21 | 2024-02-27 | 银球节能工程有限公司 | Quick-opening full-opening type natural gas-liquid separator |
| CN112128603A (en) * | 2020-10-16 | 2020-12-25 | 彭刚福 | Full-pressure gas drainer without water-feeding pipeline |
| CN113405014A (en) * | 2021-06-25 | 2021-09-17 | 华能秦煤瑞金发电有限责任公司 | Novel drain valve |
| CN113405014B (en) * | 2021-06-25 | 2022-12-27 | 华能秦煤瑞金发电有限责任公司 | Drain valve |
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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: 20150408 |