CN201324568Y - Oil-water-solid multiphase separator for natural gas - Google Patents
Oil-water-solid multiphase separator for natural gas Download PDFInfo
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- CN201324568Y CN201324568Y CNU2008202222285U CN200820222228U CN201324568Y CN 201324568 Y CN201324568 Y CN 201324568Y CN U2008202222285 U CNU2008202222285 U CN U2008202222285U CN 200820222228 U CN200820222228 U CN 200820222228U CN 201324568 Y CN201324568 Y CN 201324568Y
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 239000003345 natural gas Substances 0.000 title claims abstract description 23
- 239000007787 solid Substances 0.000 title claims abstract description 19
- 239000007789 gas Substances 0.000 claims description 75
- 238000000926 separation method Methods 0.000 claims description 52
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 49
- 239000010865 sewage Substances 0.000 claims description 19
- 238000009826 distribution Methods 0.000 claims description 9
- 239000003921 oil Substances 0.000 claims description 5
- 230000009467 reduction Effects 0.000 claims description 3
- 239000003595 mist Substances 0.000 abstract description 16
- 238000000034 method Methods 0.000 abstract description 14
- 238000005406 washing Methods 0.000 abstract description 11
- 230000018044 dehydration Effects 0.000 abstract description 6
- 238000006297 dehydration reaction Methods 0.000 abstract description 6
- 238000004581 coalescence Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 15
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 12
- 230000008569 process Effects 0.000 description 11
- 239000002245 particle Substances 0.000 description 8
- 229930195733 hydrocarbon Natural products 0.000 description 7
- 150000002430 hydrocarbons Chemical class 0.000 description 7
- 239000000779 smoke Substances 0.000 description 5
- 239000004215 Carbon black (E152) Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- 239000007790 solid phase Substances 0.000 description 3
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 239000001273 butane Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 239000008240 homogeneous mixture Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000006194 liquid suspension Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005374 membrane filtration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000011555 saturated liquid Substances 0.000 description 1
- 239000008247 solid mixture Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- Cyclones (AREA)
- Separating Particles In Gases By Inertia (AREA)
Abstract
The utility model discloses an oil-water-solid multiphase separator for natural gas. The multiphase separator is characterized in that: a shell body which adopts the structure of a horizontal tank body comprises a seal head (3), a cylinder body (6) and a supporting seat (12); the shell body is divided into the following four segments: which are an air inlet washing area (19), a cyclone separating area (20), a coalescence separating area (21) and an end mist catching area (22); the air inlet washing area (19) is provided with an air redistributing plate (2), the cyclone separating area (20) is provided with a cyclone (4), the coalescence separating area (21) is provided with a coalescing device (5), the end mist catching area (22) is provided with a string catcher (7), and an air outlet (16) is arranged at the top part of the end mist catching area (22). The oil-water-solid multiphase separator occupies small area, has less investment, leads convenient maintenance, and not only can simplify the procedures, but also can realize the purpose of deep dehydration.
Description
Technical field
The utility model oil gas field separate, dedicated equipment particularly a kind ofly is suitable for that gas, liquid are gentle, the efficient separating natural gas and oil of solid mixture, water, solid multiphase separator.
Background technology
Natural gas be under different geological conditions, generate, migration, and preserve gas in subsurface structure with certain pressure.They are imbedded in the different stratum of the degree of depth, by pit shaft gas are caused ground.As everyone knows, most natural gases are fuel gas, and main component is the gas hydro carbons, also contains a small amount of non-hydrocarbon gas.Pure gas field natural gas main component is a methane, also has a spot of second, third, butane and non-hydrocarbon gas; The gas condensate field natural gas also contains third butane of some and the above hydrocarbon gas of pentane, aromatic hydrocarbon, natural gas gasoline, diesel oil etc. except that containing methane, ethane.The separation of the condensate in these natural gases, water, solid particle all is not resolved all the time at home.
The technological process of existing natural gas processing is as follows: gas well comes gas → heating furnace → cyclone separator → bitubular moisture trap → PALL fine filter → triethylene glycol dewater unit → outer failing.Cyclonic separation can be removed the above solid particle of diameter 10um, the above water of diameter 100um in the flow process.Because this equipment influences greatly by operating mode, it is not very effective dividing dried up and solid phase; Bitubular gas, moisture mainly are by gravitational settling from it, can only remove the above water of diameter 30um; It is based on membrane filtration+special coalescent layer for the PALL fine filter, can remove above water, the condensate of diameter 2um in the gas, the above solid particle of 1um.Above-mentioned long flow path, floor space is big, and investment high (wherein the PALL fine filter is import) is safeguarded inconvenient.Because cyclonic separation and bitubular gas-water separation are removed limited to solid particle in the natural gas and water in the flow process, a large amount of loads of handling are imposed on the PALL fine filter, so just cause the coalescent filter core service life of PALL fine filter to shorten greatly, about 3～4 months.Equipment all has the thing that needs cleaning for every section, and the operational administrative difficulty is big.
Summary of the invention
The purpose of this utility model provides that a kind of floor space is few, investment is low, easy to maintenance, can simplify flow process, can realize the natural gas and oil, water than the deep dehydration purpose, solid multiphase separator again.
The purpose of this utility model is to realize like this, a kind of natural gas and oil, water, solid multiphase separator, it is characterized in that: housing is the horizontal tank body structure, housing comprises end socket, cylindrical shell and bearing, housing is divided into four sections, be respectively that air inlet water wash zone, rotational flow separation district, coarse separation district, end are caught the fog-zone, at the air inlet water wash zone gas distribution grid is again arranged, there is cyclone in the district in rotational flow separation, there is coalescer in the district in coarse separation, catching the fog-zone endways has string silk trap, and end is caught the gas outlet that has at top, fog-zone.
Described horizontal tank body is distributed with four sewage draining exits in the bottom of four district's tank bodies respectively: end is caught fog-zone sewage draining exit, coarse separation district sewage draining exit, rotational flow separation district sewage draining exit, air inlet water wash zone sewage draining exit.
Described horizontal tank body is provided with differential pressure indicator mouth A, differential pressure indicator mouth B and is used for measuring front and back section pressure reduction.
The top of the horizontal tank body of described enterprising gas water wash zone is provided with relief valve port, catches gas outlet, horizontal tank body top, fog-zone one side endways and is provided with gauge port; Oil drain out is below horizontal tank body.
Characteristics of the present utility model are: come gas to be introduced into washing section, gas changes laminar model into by turbulent flow in water, again under the effect of distribution grid, can separate solid phase and oil phase in giving vent to anger at gas fast; The gas that contains a large amount of saturation waters is separated after the special construction acceleration of rotational flow separation section by means of cyclone inside; Oil, water coalescing section are to adopt advanced coalescence technology, the coalescent again change of saturated water smoke, mist of oil remaining in the gas is big, by means of the efficient capture of Gravity Separation and terminal trap, make condensate, water smoke in the gas reach removal fully, thereby realize purifying outer defeated.
Compare is embodied in following several respects to the utility model with existing technological process " cyclonic separation → bitubular gas-water separation → PALL fine filter → triethylene glycol dehydration ":
(1) concentrated " cyclonic separation → bitubular gas-water separation → PALL fine filter " and waited several functions of the equipments, simplified traditional handicraft, provided new technological process in one.
(2) contain liquid in the gas after the processing and be lower than 0.003ppmw, be equivalent to water dew point and reach below-5 ℃, the related request that meets " the pipeline gas water dew point should hang down 5 ℃ than minimum environment temperature under the transport condition under the starting point discharge pressure " among the SY/T0076 " gas dehydration design specification "; Do not have the client under the situation of particular requirement, gas does not need further to dewater with the triethylene glycol device again.
(3) several diverse technology such as washing, rotational flow separation, coarse separation and terminal capture are combined together, not only give full play to separately advantage of mechanical separation (life-span is long but efficient is low) and coarse separation (efficient height but life-span short), but also avoided shortcoming separately, not only applicability is strong, the life-span is long, and efficient is high, becomes the practical technique that is suitable for various production of hydrocarbons.
(4) make a new equipment possess the function of machinery separation and coarse separation simultaneously, substituted conventional effect difference, needed many separators of series connection mutually, compact conformation, requisite space is few, has greatly reduced the new equipment manufacturing cost.
(5) to operating pressure 1-15MPa, gas flow 0.5 * 10
4-100 * 10
4Nm
3Various process gas, unstripped gas in/d, the temperature 10-50 ℃ scope carries out the ultra high efficiency oil removing, dewaters, udst separation.The ultra high efficiency that also is applicable to simultaneously the various fluids of many industries such as electronics, medicine and military project purifies.
Description of drawings
The utility model is described in further detail below in conjunction with the embodiment accompanying drawing.
Fig. 1 is the utility model example structure schematic diagram;
Fig. 2 is the A-A figure of Fig. 1;
Fig. 3 is the B-B figure of Fig. 1;
Fig. 4 is the C-C figure of Fig. 1;
Fig. 5 is the schematic diagram of coalescer.
Among the figure: 1, air inlet distributing pipe; 2, gas distribution grid again; 3, end socket; 4, cyclone; 5, coalescer; 6, cylindrical shell; 7, string silk trap; 8, end is caught the fog-zone sewage draining exit; 9, coarse separation district sewage draining exit; 10, rotational flow separation district sewage draining exit; 11, air inlet water wash zone sewage draining exit; 12, bearing; 13, differential pressure indicator mouth A; 14, differential pressure indicator mouth B; 15, relief valve port; 16, gas outlet; 17, gauge port; 18, oil drain out; 19, air inlet water wash zone; 20, rotational flow separation district; 21, coarse separation district; 22, end is caught the fog-zone.
The specific embodiment
As shown in Figure 1, apparatus casing comprises left and right sides end socket 3, cylindrical shell 6 and bearing 12, left and right sides end socket 3 is tightly connected cylindrical shell about 6 ends and forms the horizontal tank body structure, horizontal tank body is divided into four districts, be respectively that air inlet water wash zone 19, rotational flow separation district 20, coarse separation district 21, end are caught fog-zone 22, by four districts finish air inlet → washing → rotational flow separation → oil, water coalescent → (gravitational settling) → end catches natural gas and oil, water, the solid heterogeneous separating technology of mist → give vent to anger (outer defeated).
At air inlet water wash zone 19 gas distribution grid 2 is again arranged, the gas well produced fluid is by well head and gas collection flow process, and through after the heating furnace heating, air inlet distributing pipe 1 by multiphase separator enters into washing section, gas changes laminar model into by turbulent flow in water, again under the effect of distribution grid 2, can separate solid phase and oil phase in giving vent to anger at gas fast; In rotational flow separation district 20 cyclone 4 is arranged, enters gas cyclone Disengagement zone 20 and contain a large amount of saturation water sides, in rotational flow separation district 20 by means of the acceleration of cyclone 4 inside, compressed energy-storage, isolate a large amount of saturation waters after discharging fast; In coarse separation district 21 coalescer 5 is arranged, oil, water coalescing section utilize coalescer 5 that the coalescent again change of saturated water smoke, mist of oil remaining in the gas is big; And catch fog-zone 22 endways the efficient capture of string silk trap 7 by means of Gravity Separation and terminal string silk trap 7 arranged, condensate, water smoke in the gas is reached fully remove, catch outer the failing in gas outlet 16 at 22 tops, fog-zone at last from end.
Horizontal tank body is provided with four sewage draining exits in the bottom of four district's tank bodies respectively: end is caught fog-zone sewage draining exit 8, coarse separation district sewage draining exit 9, rotational flow separation district sewage draining exit 10, air inlet water wash zone sewage draining exit 11.
As shown in Figure 4, horizontal tank body be provided with differential pressure indicator mouth A 13, differential pressure indicator mouth B 14 be used for measuring before and after section pressure reduction.Be provided with relief valve port 15 at the horizontal tank body of air inlet water wash zone top, catch gas outlet, horizontal tank body top, fog-zone 16 1 sides endways and be provided with gauge port 17.Fig. 2 is the A-A figure of Fig. 1; Fig. 3 is the B-B figure of Fig. 1; As shown in Figure 2, oil drain out 18 is below horizontal tank body.Flow process Zhong Ge district is equipped with the liquid level gauge mouth in addition.
Below further specify the course of work of the present utility model by four districts:
The air inlet water wash zone, equipment is introduced water layer by pipeline with natural gas from the air inlet of end socket upper left quarter, and gas distributes by the ramification distribution of gas even structure ground of water layer, and impacts water layer.Gas passes gas distribution orifice again in the rising way of washing, make distribution of gas more even, thereby realize the conversion from the turbulent flow to the laminar flow, reaches the purpose of washing dust and removing the part condensate.
The rotational flow separation district, the gas after the washing enters the rotational flow separation section by the top mozzle.The eddy flow section is by the centrifugation principle, utilizes the design of special flow passage structure, makes gas gas be accelerated to after the speed of requirement diffusion rapidly in by the runner process and carry out energy and discharges, and the saturation water more than 98% in the gas is separated.The air inlet of this rotational flow separation structure is not subjected to washing section to come gas speed to influence.Cyclone separation process is generally believed it is a kind of energy-efficient isolation technics, and its critical component is a cyclone separator, is called for short cyclone.Cyclone is to grow up on the basis of conventional cyclone separator, solid can be used for liquid/liquid, solid-liquid, gas/liquid, solid/gas, liquid/gas and solid/etc. the separation processes such as clarification, enrichment or dehydration, classification, washing of non-homogeneous mixture, even also can collect heat and mass transfer enhancement and be located away from the whole body.
The coarse separation district, improper because of the variation and the resolution element selection of operating pressure and condition in the traditional mode of production of oil and natural gas, usually cause entrainment.Entrainment is lowly to occur in a kind of undesired attendant phenomenon in the gas/liquid operation because of efficiency separator.For example: the serious mist of oil of gas generation is carried secretly in the gs-oil separator of oilfield stations field; The methanol solution mist is carried secretly in the Methanol Recovery: the heavy ends in the lighter hydrocarbons recovery are carried secretly; Water smoke and heavy hydrocarbon in the natural gas are carried secretly or the like.The entrained oil mist can make unstripped gas cause greasy dirt and suspension to stop up resolution element because of content of organics increases, and influences separative efficiency, causes liquid flooding; Severe patient directly influences normal running and causes major accident; The methyl alcohol mist is carried secretly and is not only endangered downstream catalyst, and causes methyl alcohol to run off, and causes economic loss.Eliminate entrainment effectively with regard to the particular importance that more seems.
The reason that causes entrainment be the gravity that uses in the prior art design, centrifugal, corrugated plating and foam removal silk screen etc. separate the element separative efficiency low due to.These resolution elements are limited by separation principle, only can remove the particle diameter carried secretly in the gas greater than the big liquid grain more than the 5-10 μ m.But in the gas in the especially outer defeated natural gas, because downstream and carrying needs, must be carrying a large amount of particle diameters in the gas secretly between 0.1-5 μ m, by the molten particulate of suspension gas (the being mist) removal of generation such as condensation atomizing, pressure atomization.To the mist of these particle diameters below 5 μ m, traditional resolution element is at a loss what to do fully.Thus, coarse separation has been proposed.
Coarse separation is to originate from external ultra high efficiency phase detachment technique, adopt special coalescent filter material, by differences of physical properties such as fluid boundary tension force, proportion, viscosity, make earlier that decentralized photo is coalescent in the fluid grows up, undertaken two by porous media again and be separated, can be used for separating of floatingization of gas/liquid thing and liquid/liquid suspensions.
The coalescent filter bed of coarse separation element is made under specific condition by superfine fibre of different nature, and the aperture successively increases progressively.When gas passed this filter bed, the liquid mist particulate of carrying secretly (decentralized photo) etc. was captured earlier, coalescently gradually in successively flowing then grow up, finally separate because of gravity breaks away from body gas.Owing to comprehensive effectivenesses such as coalescent the bed special very thin structure of micron order, chemical suitability and collision, interception, warm-up movements, can very effectively capture trickle various particulates to 0.1 μ m, thereby thoroughly eliminate entrainment, greatly remedied the defective of conventional separators inefficiency.
Coalescing element is 0.3um (clearance reaches 99.97%) to the filtering accuracy of solid particle.Moisturely in the gas in coalescing element downstream be lower than 0.003ppmw.
As shown in Figure 5, because the reasons in structure of coalescer, from inside to outside every layer average pore size increases gradually, and gas passes the multiple filtration film under pressure, is little droplet coalescence big drop.When drop by aperture when the large opening direction flows, they have formed big drop with regard to coalescent, and are because of this process is carried out continuously, constantly coalescent and bigger drop that form is drained in the feeder.
End is caught the fog-zone, gas by coalescent district coalescent after, 99.99% saturation water is by coalescent, and is deposited to liquid collecting zone.The not coalescent intact saturated liquid of part still remains in the gas, again condense, become big to capturing section because of the path effect from coalescing section, be condensed into about 10 μ m or smaller mist enters with gas and catches the fog-zone and caught mist interception by end, thereby reach more deep dehydration.The cardinal principle that end is caught mist is an inertial collision.Certainly, interception has also played important function.
Claims (4)
1, a kind of natural gas and oil, water, Gu multiphase separator, it is characterized in that: housing is the horizontal tank body structure, housing comprises end socket (3), cylindrical shell (6) and bearing (12), housing is divided into four sections, be respectively air inlet water wash zone (19), rotational flow separation district (20), coarse separation district (21), end is caught fog-zone (22), at air inlet water wash zone (19) gas distribution grid (2) is again arranged, in rotational flow separation district (20) cyclone (4) is arranged, in coarse separation district (21) coalescer (5) is arranged, catching fog-zone (22) endways has string silk trap (7), and what end was caught top, fog-zone (22) has a gas outlet (16).
2, a kind of natural gas and oil according to claim 1, water, solid multiphase separator, it is characterized in that: described horizontal tank body is distributed with four sewage draining exits in the bottom of four district's tank bodies respectively: end is caught fog-zone sewage draining exit (8), coarse separation district sewage draining exit (9), rotational flow separation district sewage draining exit (10), air inlet water wash zone sewage draining exit (11).
3, a kind of natural gas and oil according to claim 1, water, solid multiphase separator is characterized in that: described horizontal tank body is provided with differential pressure indicator mouth A (13), differential pressure indicator mouth B (14) and is used for measuring front and back section pressure reduction.
4, a kind of natural gas and oil according to claim 1, water, solid multiphase separator, it is characterized in that: the top of the horizontal tank body of described enterprising gas water wash zone (19) is provided with relief valve port (15), catches gas outlet, horizontal tank body top, fog-zone (22) (16) one sides endways and is provided with gauge port (17); Oil drain out (18) is below horizontal tank body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202222285U CN201324568Y (en) | 2008-10-31 | 2008-10-31 | Oil-water-solid multiphase separator for natural gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202222285U CN201324568Y (en) | 2008-10-31 | 2008-10-31 | Oil-water-solid multiphase separator for natural gas |
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| Publication Number | Publication Date |
|---|---|
| CN201324568Y true CN201324568Y (en) | 2009-10-14 |
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| CNU2008202222285U Expired - Fee Related CN201324568Y (en) | 2008-10-31 | 2008-10-31 | Oil-water-solid multiphase separator for natural gas |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104083959A (en) * | 2014-07-18 | 2014-10-08 | 上海闰铭精密技术有限公司 | High-precision combined-type multi-phase filtering and separating device |
| CN104119976A (en) * | 2014-07-27 | 2014-10-29 | 成都国光电子仪表有限责任公司 | Natural gas filtering device |
| CN104307245A (en) * | 2014-10-30 | 2015-01-28 | 成都科盛石油科技有限公司 | Three-phase separation system in oil and gas exploitation process |
| CN108300832A (en) * | 2018-05-09 | 2018-07-20 | 北京博鹏中科环保科技有限公司 | A kind of horizontal dehydrator of pipeline |
| CN111688804A (en) * | 2020-06-30 | 2020-09-22 | 长春一汽富晟德尔汽车部件有限公司 | Automobile steering power-assisted oil tank with breather valve exhaust structure |
| CN111927739A (en) * | 2020-05-30 | 2020-11-13 | 上海大隆机器厂有限公司 | Efficient buffer separator in piston compressor device |
-
2008
- 2008-10-31 CN CNU2008202222285U patent/CN201324568Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104083959A (en) * | 2014-07-18 | 2014-10-08 | 上海闰铭精密技术有限公司 | High-precision combined-type multi-phase filtering and separating device |
| CN104119976A (en) * | 2014-07-27 | 2014-10-29 | 成都国光电子仪表有限责任公司 | Natural gas filtering device |
| CN104119976B (en) * | 2014-07-27 | 2016-08-17 | 成都国光电子仪表有限责任公司 | Natural gas filter |
| CN104307245A (en) * | 2014-10-30 | 2015-01-28 | 成都科盛石油科技有限公司 | Three-phase separation system in oil and gas exploitation process |
| CN108300832A (en) * | 2018-05-09 | 2018-07-20 | 北京博鹏中科环保科技有限公司 | A kind of horizontal dehydrator of pipeline |
| CN111927739A (en) * | 2020-05-30 | 2020-11-13 | 上海大隆机器厂有限公司 | Efficient buffer separator in piston compressor device |
| CN111927739B (en) * | 2020-05-30 | 2024-05-03 | 上海大隆机器厂有限公司 | Efficient buffer separator in piston type compressor device |
| CN111688804A (en) * | 2020-06-30 | 2020-09-22 | 长春一汽富晟德尔汽车部件有限公司 | Automobile steering power-assisted oil tank with breather valve exhaust structure |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091014 Termination date: 20121031 |