CN202402018U - Wet steam distributor - Google Patents
Wet steam distributor Download PDFInfo
- Publication number
- CN202402018U CN202402018U CN2011205600969U CN201120560096U CN202402018U CN 202402018 U CN202402018 U CN 202402018U CN 2011205600969 U CN2011205600969 U CN 2011205600969U CN 201120560096 U CN201120560096 U CN 201120560096U CN 202402018 U CN202402018 U CN 202402018U
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- steam
- dilatation jar
- jar
- inlet pipe
- floating plug
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Abstract
The utility model discloses a wet steam distributor. A flash tank steam inlet is arranged at the middle part of the left side wall of a flash tank, a flush tank steam outlet is arranged at the center part of a tank cover, and a flash tank water outlet is arranged at the center part of a tank bottom; the flash tank steam outlet of the flash tank is communicated a steam-distributing cylinder which is positioned outside the right side of the flash tank through a steam-distributing steam inlet pipe, and a flash tank water outlet of the flash tank is communicated with a water-distributing cylinder which is positioned outside the right side of the flash tank through a water-distributing cylinder water inlet pipe; and the steam-distributing cylinder is provided with an adfluxion three-way steam inlet pipe, the water-distributing cylinder is provided with an adfluxion three-way water inlet pipe, the adfluxion three-way steam inlet pipe and the adfluxion three-way water inlet pipe are communicated through an adfluxion three-way pipe, and wet steam which is parallelly mixed by the adfluxion three-way steam inlet pipe and the adfluxion three-way water inlet pipe can be output through an adfluxion three-way output pipe. According to the wet steam distributor disclosed by the utility model, the dryness degree distribution of the wet steam and the like can be realized, the steam flow and the water flow of the flash tank can be automatically adjusted, thus the wet steam distributor can work stably, reliably and continuously, and an important technical assurance is provided for increasing the economical efficiency of heavy oil thermal recovery.
Description
Technical field
What the present invention relates to is steam transmission & distribution fields, is mass dryness fraction distributors such as a kind of moist steam.
Background technology
In field of petroleum exploitation, heavy crude heat extraction is a kind of industry of highly energy-consuming, and energy-saving potential is very big.In heavy crude heat extraction, produce moist steam by annotating the vapour stove, be injected into moist steam under the producing well through steam pipe line, make that viscous crude is softening, viscosity descends, the mobile increase, be convenient to oil production machine and recover the oil.In order to improve the economy of heavy crude heat extraction, its steam quality of moist steam that notes vapour stove is produced is controlled at about 75%, just descends if steam quality is lower than the economy of 70% heavy crude heat extraction, can shorten rapidly if steam quality is higher than the application life of 80% notes vapour stove.The mixture that contains gas phase steam and liquid phase water is called moist steam, and it is the biphase gas and liquid flow fluid, and wherein the quality of gas phase dry saturated steam is defined as dryness of wet steam with the ratio of moist steam quality, abbreviates steam quality as.Steam quality is the important quality parameter of steam, the economy important influence of steam quality to recovering the oil in heavy crude heat extraction.In the heavy crude heat extraction, adopt one to annotate the vapour stove to a plurality of producing wells notes vapour usually, this just need be provided with steam distributor one tunnel moist steam is distributed into the multichannel moist steam.All requirements of technical and economy of heavy crude heat extraction, its steam quality of moist steam of each outlet of steam distributor should be identical, promptly waits mass dryness fraction to distribute.If the steam quality of each outlet of steam distributor is different, then the performance of steam distributor is just not good, thereby causes the economy of heavy crude heat extraction to decline to a great extent.
Publication number is the patent " steam distributor and symmetrical steam-bleeding pipeline and method for using thereof " of CN101067475A; A kind of steam distributor has been proposed; Its structure is a four-way container, this container left side have admission nozzle, upside and downside respectively have one go out the vapour nozzle, the right side has by the steam outlet pipe of plug sealing, moist steam is after the admission nozzle flows into the four-way container; With the collision of right side steam outlet pipe plug, moist steam is mixed in the four-way container.Four-way container upside goes out the vapour nozzle and is connected with last steam-bleeding pipeline; Four-way container downside goes out the vapour nozzle and is connected with following steam-bleeding pipeline; On last steam-bleeding pipeline and following steam-bleeding pipeline, throttle nozzle, pressure meter and flow control valve all are housed successively, last steam-bleeding pipeline is symmetrical pipeline with following steam-bleeding pipeline; Through to the Flow-rate adjustment valve regulation on last steam-bleeding pipeline and the following steam-bleeding pipeline; Make steam-bleeding pipeline identical, then have last steam-bleeding pipeline flow identical, thereby just have last steam-bleeding pipeline inlet identical with the steam quality that following steam-bleeding pipeline enters the mouth with following steam-bleeding pipeline flow with manometric pressure on the following steam-bleeding pipeline.
Though publication number is the patent " steam distributor and symmetrical steam-bleeding pipeline and method for using thereof " of CN101067475A; Its steam distributor and symmetrical steam-bleeding pipeline are assigned certain function and effect to mass dryness fractions such as moist steams, but exist following four technological deficiencies, and the one; Because moist steam is a biphase gas and liquid flow; Its fluidised form is complicated, the fluidised form random fluctuation is big, thereby gas-liquid attracts each other power weak in steam distributor moist steam to carry out the mixed uniformly difficulty of gas-liquid very big, so the inaccessible effect that mixes of moist steam in the four-way container; This is in the theory analysis and all proved this point in the experiment repeatedly; Particularly if last steam-bleeding pipeline is asymmetric with following steam-bleeding pipeline, can make the steam quality difference of steam-bleeding pipeline inlet and following steam-bleeding pipeline inlet bigger, this point is also confirmed by theory analysis and experiment repeatedly; The 2nd,, can not directly carry out mass dryness fraction distribution such as multichannel moist steam, distribute as if mass dryness fractions such as needing the multichannel moist steam, the symmetrical steam-bleeding pipeline of a plurality of steam distributors and multichannel just need be set, this causes installation cost and project installation expense significantly to increase; The 3rd; Through to the Flow-rate adjustment valve regulation on last steam-bleeding pipeline and the following steam-bleeding pipeline; Make that steam-bleeding pipeline is identical with pressure meter pressure on the following steam-bleeding pipeline, flow is identical; It regulates that workload is big, degree of regulation is not high in engineering construction in this adjusting measure, especially annotates the variation of back pressure under the variation, producing well of vapour stove moist steam pressure, all can cause the state after flow control valve regulates to lose efficacy; The 4th; Make steam-bleeding pipeline and the same flow of following steam-bleeding pipeline through adjusting to the flow control valve on last steam-bleeding pipeline and the following steam-bleeding pipeline; Guarantee that the steam-bleeding pipeline inlet is identical with the steam quality of following steam-bleeding pipeline inlet, such way has limited each producing well again has differential technical need to wet steam flow.
Because steam distributor and the symmetrical steam-bleeding pipeline and the method for using thereof of prior art; Exist the technical need that the precision that mass dryness fraction such as four-way container distributes is not high, reliability is not high, the workload of Flow-rate adjustment valve regulation operation is big, difficulty that regulate operation is big, can not satisfy the differential steam supply of a plurality of producing well flows; So overcome the deficiency that prior art exists; Mass dryness fraction distributors such as research equipment is simple, function admirable, easy-operating moist steam, to the economy that improves heavy crude heat extraction and energy-conservation be very crucial.
Summary of the invention
The precision that exists in the prior art is low in order to overcome, the difficulty of poor reliability and adjusting operation is big, and the deficiency that can not satisfy the differential steam supply demand of a plurality of producing well flows, the present invention proposes a kind of moist steam distributor.
The present invention includes dilatation jar, dried filtrate plate, top rod rest, gas-distributing cylinder steam inlet pipe, gas-distributing cylinder pressure meter, gas-distributing cylinder, branch water vat, divide water vat pressure meter, branch water vat water inlet pipe, end rod rest, pole, buoyancy aid, go up floating plug, ball float and following floating plug.The dilatation jar is a cylindrical container that End Pieces are arranged, and there is dilatation jar air intake at the left side wall middle part of dilatation jar 2, and there is dilatation jar venthole the cover center, and there is dilatation jar delivery port a jar center, the end; Pole, buoyancy aid and dried filtrate plate are arranged in the dilatation jar; The top rod rest is fixed in the dilatation jar venthole, and end rod rest is fixed in the dilatation jar delivery port; Pole is run through buoyancy aid, the two ends up and down of this pole be separately fixed on the rod rest of top with end rod rest on; The dried filtrate sleeve-board is contained on the pole that is positioned at dilatation jar venthole one end, and the outer rim of this dried filtrate plate is fixed on the top in the dilatation jar; The dilatation jar venthole of dilatation jar is communicated with gas-distributing cylinder outside being positioned at dilatation jar right side through the gas-distributing cylinder steam inlet pipe, and the dilatation jar delivery port of dilatation jar is communicated with branch water vat outside being positioned at dilatation jar right side through minute water vat water inlet pipe; The many threeway steam inlet pipes that conflux are arranged on the gas-distributing cylinder; Divide on the water vat the many threeway water inlet pipes that conflux are arranged; Threeway steam inlet pipe and respectively confluxing between the threeway water inlet pipe respectively through corresponding a connection of the threeway of confluxing respectively confluxes.The threeway efferent duct that confluxes is arranged respectively in the threeway of respectively confluxing; The threeway steam inlet pipe that confluxes that respectively confluxes in the threeway has identical bore and length of tube with the threeway water inlet pipe that confluxes.
Dilatation jar venthole be one outside the cover of dilatation jar the contraction shape oviduct of protrusion, dilatation jar delivery port is the contraction shape oviduct that protrudes outward to the jar end of dilatation jar.The outlet of the oviduct of dilatation jar delivery port is equipped with blowoff valve also with blow-off pipe and connect on the blow-off pipe.
Buoyancy aid is to be combined by last floating plug, ball float, following floating plug and buoyancy aid pipe; Wherein, Last floating plug is hollow stem and last floating plug through hole is arranged vertically; Following floating plug is hollow stem and following floating plug through hole arranged vertically, and ball float is hollow ball and the ball float through hole is arranged vertically, and last floating plug through hole, the floating plug through hole is identical with the aperture of ball float through hole and equal the external diameter of buoyancy aid pipe down; The aperture sum of last floating plug through hole, following floating plug through hole and ball float through hole equals the pipe range of buoyancy aid pipe; The buoyancy aid pipe runs through floating plug through hole, ball float through hole and following floating plug through hole successively, and the outside wall surface of buoyancy aid pipe is fixedly connected with the inwall of last floating plug through hole, the inwall of ball float through hole and the inwall of following floating plug through hole, and the internal diameter of buoyancy aid pipe is identical with the bar of pole footpath.
The external diameter of dried filtrate plate is identical with the internal diameter of dilatation jar, and the internal diameter of dried filtrate plate is identical with the external diameter of last floating plug; Several penetrating holes evenly distribute on the said dried filtrate plate.
The course of work of the present invention is: the moist steam in the moist steam pipeline is incorporated in the dilatation jar through dilatation jar air intake; Moist steam gets into the dilatation jar after deceleration and dilatation are separated into the dry saturated steam of gas phase and the saturation water of liquid phase; Dried filtrate plate in the dilatation jar is used to eliminate the steam moisture that flows to dilatation jar venthole, and dry saturated steam gets in the gas-distributing cylinder via dilatation jar venthole and gas-distributing cylinder steam inlet pipe; Saturation water gets into branch water vat water inlet pipe via dilatation jar delivery port and divides in the water vat; The dry saturated steam pressure distribution is even in the gas-distributing cylinder, divides the interior saturation water hydraulic pressure of water vat to be evenly distributed.Dry saturated steam in the gas-distributing cylinder 8 flows out via the threeway steam inlet pipe that confluxes of the threeway of confluxing; Saturation water in the branch water vat flows out via the threeway water inlet pipe that confluxes of the threeway of confluxing, the moist steam that the threeway efferent duct that confluxes output is mixed by conflux the threeway steam inlet pipe and the threeway water inlet pipe parallel connection of confluxing.Because the threeway steam inlet pipe that confluxes that respectively confluxes in the threeway has identical bore and length of tube with the threeway water inlet pipe that confluxes, so the steam quality that the threeway efferent duct that confluxes in the threeway of respectively confluxing is exported to each steam user pipe is mutually the same.For keeping working stability of the present invention, reliable and continuous, receive buoyancy function in the water according to ball float, being moved up and down with the water surface by ball float forms Flow-rate adjustment.Dilatation jar venthole, dilatation jar delivery port, pole and buoyancy aid are formed the flow automatic regulator of dilatation jar; Center line and continuation raise in the water surface in the dilatation jar surpasses jar; Buoyancy of water promotes buoyancy aid and rises, and come-up is entered in the oviduct of dilatation jar venthole, forces the passage of dilatation jar venthole to diminish, go out the steam flow amount and reduces; The water surface in the dilatation jar is lower than center line and continues decline; Buoyancy of water pulling buoyancy aid descends, and making floats downward enters in the oviduct of dilatation jar delivery port, forces the passage of dilatation jar delivery port to diminish, water flow reduces.The outlet of the oviduct of dilatation jar delivery port is equipped with blowoff valve also with blow-off pipe and connect on the blow-off pipe, be used for regularly getting rid of being deposited on dirt in the dilatation jar.
Compared with prior art; The present invention can realize mass dryness fraction distribution such as moist steam; That can regulate the dilatation jar automatically goes out steam flow amount and water flow, makes mass dryness fraction distributor working stability such as moist steam, reliable and continuously, for the economy that improves heavy crude heat extraction provides the important techniques assurance.
Description of drawings
Fig. 1 is a kind of structural representation of moist steam distributor,
Fig. 2 is the structural representation of buoyancy aid, wherein:
1. dilatation jar air intake 2. dilatation jars 3. dried filtrate plates 4. dilatation jar ventholes
5. top rod rest 6. gas-distributing cylinder steam inlet pipes 7. gas-distributing cylinder pressure meters 8. gas-distributing cylinders
9. the threeway steam inlet pipe 10. that the confluxes threeway 11. threeway efferent duct 12. threeway water inlet pipe that confluxes that confluxes that confluxes
13. divide 14. fens water vat pressure meters of water vat 15. fens water vat water inlet pipe 16. blow-off pipes
17. 18. end of blowoff valve rod rest, 19. dilatation jar delivery ports, 20. poles
21. floating plug on the floating plug through hole 24. on the buoyancy aid 22. buoyancy aid pipes 23.
25. 28. times floating plugs of 27. times floating plug through holes of ball float through hole 26. ball floats
The specific embodiment
Combine 1 couple of the present invention of accompanying drawing to further describe at present:
Present embodiment is mass dryness fraction distributors such as moist steam.Moist steam pipeline from annotating the vapour stove is connected with dilatation jar air intake 1, and the outlet of 4 threeway efferent ducts 11 that conflux is connected with 4 producing well steam pipelines.
Present embodiment comprises dilatation jar 2, dried filtrate plate 3, top rod rest 5, gas-distributing cylinder steam inlet pipe 6, gas-distributing cylinder pressure meter 7, gas-distributing cylinder 8, branch water vat 13, divides water vat pressure meter 14, branch water vat water inlet pipe 15, end rod rest 18, pole 20, buoyancy aid 21, goes up floating plug 24, ball float 26 and following floating plug 28.Dilatation jar 2 is a cylindrical container that End Pieces are arranged, and there is dilatation jar air intake 1 at the left side wall middle part of dilatation jar 2, and there is dilatation jar venthole 4 the cover center, and there is dilatation jar delivery port 19 a jar center, the end.Pole 20, buoyancy aid 21 and dried filtrate plate 3 are arranged in the dilatation jar 2.Top rod rest 5 is fixed in the dilatation jar venthole 4, and end rod rest 18 is fixed in the dilatation jar delivery port 19.Pole 20 is run through buoyancy aid 21, its up and down two ends be separately fixed on the top rod rest 5 with end rod rest 18 on.The dilatation jar venthole 4 of dilatation jar 2 is communicated with gas-distributing cylinder 8 outside being positioned at dilatation jar 2 right sides through gas-distributing cylinder steam inlet pipe 6, and the dilatation jar delivery port 19 of dilatation jar 2 is communicated with branch water vat 13 outside being positioned at dilatation jar 2 right sides through minute water vat water inlet pipe 15.The many threeway steam inlet pipes 9 that conflux are arranged on the gas-distributing cylinder 8; Divide on the water vat 13 the many threeway water inlet pipes 12 that conflux are arranged; The threeway steam inlet pipe 9 and respectively conflux between the threeway water inlet pipe 12 of respectively confluxing respectively confluxes 10 corresponding connections of threeway through one.The threeway efferent duct 11 that confluxes is arranged respectively in the threeway 10 of respectively confluxing, export the moist steams of mixing through this threeway efferent duct 11 that confluxes by conflux the threeway steam inlet pipe 9 and threeway water inlet pipe 12 parallel connections of confluxing.The threeway steam inlet pipe 9 that confluxes that respectively confluxes in the threeway 10 has identical bore and length of tube with the threeway water inlet pipe 12 that confluxes, and the steam quality of the moist steam that the threeway efferent duct 11 that confluxes in the threeway 10 of respectively confluxing is exported is identical.The quantity of the described threeway steam inlet pipe 9 that confluxes, conflux the threeway water inlet pipe 12 and the threeway 10 of confluxing is 1～13, and in the present embodiment, the quantity of the described threeway steam inlet pipe 9 that confluxes, conflux the threeway water inlet pipe 12 and the threeway 10 of confluxing is 6
Dried filtrate plate 3 is an annular plate; The external diameter of this Circular Plate equals the internal diameter of dilatation jar 2; Its internal diameter equals the external diameter of floating plug 24; Be uniform-distribution with several penetrating holes on it, and be sleeved on the pole 20 that is positioned at dilatation jar venthole 4 one ends, the outer rim of this annular plate is fixed on the top in the dilatation jar 2.
Gas-distributing cylinder pressure meter 7 with divide water vat pressure meter 14 to be respectively applied in the monitoring gas-distributing cylinder 8 and the fluid pressure that divides in the water vat 13, and be installed in respectively on the gas-distributing cylinder 8 and divide water vat 13.
The outlet of the oviduct of dilatation jar delivery port 19 is equipped with blowoff valve 17 also with blow-off pipe 16 and connect on the blow-off pipe 16, be used for regularly getting rid of the dirt that is deposited in the dilatation jar 2.
The course of work of the present invention is: the moist steam in the moist steam pipeline is incorporated in the dilatation jar 2 through dilatation jar air intake 1; Moist steam gets into dilatation jar 2 after deceleration and dilatation are separated into the dry saturated steam of gas phase and the saturation water of liquid phase; Dried filtrate plate 3 in the dilatation jar 2 is used to eliminate the steam moisture that flows to dilatation jar venthole 4, and dry saturated steam gets in the gas-distributing cylinder 8 via dilatation jar venthole 4 and gas-distributing cylinder steam inlet pipe 6; Saturation water gets into branch water vat water inlet pipe 15 via dilatation jar delivery port 19 and divides in the water vats 13; The dry saturated steam pressure distribution is even in the gas-distributing cylinder, divides the interior saturation water hydraulic pressure of water vat to be evenly distributed.Dry saturated steam in the gas-distributing cylinder 8 flows out via the threeway steam inlet pipe 9 that confluxes of the threeway 10 of confluxing; Saturation water in the branch water vat 13 flows out via the threeway water inlet pipe 12 that confluxes of the threeway 10 of confluxing, the moist steams that threeway efferent duct 11 outputs of confluxing are mixed by conflux the threeway steam inlet pipe 9 and threeway water inlet pipe 12 parallel connections of confluxing.Because the threeway steam inlet pipe 9 that confluxes that respectively confluxes in the threeway 10 has identical bore and length of tube with the threeway water inlet pipe 12 that confluxes, so the steam quality that the threeway efferent duct 11 that confluxes in 4 threeways 10 of confluxing is exported to 4 steam user pipe is mutually the same.For keeping working stability of the present invention, reliable and continuous, receive buoyancy function in the water according to ball float, being moved up and down with the water surface by ball float forms Flow-rate adjustment.Dilatation jar venthole 4, dilatation jar delivery port 19, pole 20 and buoyancy aid 21 are formed the flow automatic regulator of dilatation jar 2; Center line and continuation raise in the water surface in the dilatation jar 2 surpasses jar; Buoyancy of water promotes buoyancy aid 21 and rises, and makes in the oviduct of floating plug 24 entering dilatation jar ventholes 4, forces the passage of dilatation jar venthole 4 to diminish, go out the steam flow amount and reduces; The water surface in dilatation jar 2 is lower than center line and continues decline; Buoyancy of water pulling buoyancy aid 21 descends, and makes down in the oviduct of floating plug 28 entering dilatation jar delivery ports 19, forces the passage of dilatation jar delivery port 19 to diminish, water flow reduces.The outlet of the oviduct of dilatation jar delivery port 19 is equipped with blowoff valve 17 also with blow-off pipe 16 and connect on the blow-off pipe 16, be used for regularly getting rid of being deposited on dirts in the dilatation jar 2.
Claims (5)
1. moist steam distributor; It is characterized in that, comprise dilatation jar, dried filtrate plate, top rod rest, gas-distributing cylinder steam inlet pipe, gas-distributing cylinder pressure meter, gas-distributing cylinder, branch water vat, divide water vat pressure meter, branch water vat water inlet pipe, end rod rest, pole, buoyancy aid, go up floating plug, ball float and following floating plug; The dilatation jar is a cylindrical container that End Pieces are arranged, and there is dilatation jar air intake at the left side wall middle part of dilatation jar, and there is dilatation jar venthole the cover center, and there is dilatation jar delivery port a jar center, the end; Pole, buoyancy aid and dried filtrate plate are arranged in the dilatation jar; The top rod rest is fixed in the dilatation jar venthole, and end rod rest is fixed in the dilatation jar delivery port; Pole is run through buoyancy aid, the two ends up and down of this pole be separately fixed on the rod rest of top with end rod rest on; The dried filtrate sleeve-board is contained on the pole that is positioned at dilatation jar venthole one end, and the outer rim of this dried filtrate plate is fixed on the top in the dilatation jar; The dilatation jar venthole of dilatation jar is communicated with gas-distributing cylinder outside being positioned at dilatation jar right side through the gas-distributing cylinder steam inlet pipe, and the dilatation jar delivery port of dilatation jar is communicated with branch water vat outside being positioned at dilatation jar right side through minute water vat water inlet pipe; The many threeway steam inlet pipes that conflux are arranged on the gas-distributing cylinder; Divide on the water vat the many threeway water inlet pipes that conflux are arranged; Respectively conflux threeway steam inlet pipe and respectively confluxing between the threeway water inlet pipe respectively through corresponding a connection of the threeway of confluxing has the threeway efferent duct that confluxes respectively in the threeway of respectively confluxing; The threeway steam inlet pipe that confluxes that respectively confluxes in the threeway has identical bore and length of tube with the threeway water inlet pipe that confluxes.
2. a kind of according to claim 1 moist steam distributor is characterized in that, dilatation jar venthole be one outside the cover of dilatation jar the contraction shape oviduct of protrusion, dilatation jar delivery port is the contraction shape oviduct that protrudes outward to the jar end of dilatation jar.
3. a kind of according to claim 1 moist steam distributor is characterized in that, buoyancy aid is to be combined by last floating plug, ball float, following floating plug and buoyancy aid pipe; Wherein, Last floating plug is hollow stem and last floating plug through hole is arranged vertically; Following floating plug is hollow stem and following floating plug through hole arranged vertically, and ball float is hollow ball and the ball float through hole is arranged vertically, and last floating plug through hole, the floating plug through hole is identical with the aperture of ball float through hole and equal the external diameter of buoyancy aid pipe down; The aperture sum of last floating plug through hole, following floating plug through hole and ball float through hole equals the pipe range of buoyancy aid pipe; The buoyancy aid pipe runs through floating plug through hole, ball float through hole and following floating plug through hole successively, and the outside wall surface of buoyancy aid pipe is fixedly connected with the inwall of last floating plug through hole, the inwall of ball float through hole and the inwall of following floating plug through hole, and the internal diameter of buoyancy aid pipe is identical with the bar of pole footpath.
4. a kind of according to claim 1 moist steam distributor is characterized in that the external diameter of dried filtrate plate is identical with the internal diameter of dilatation jar, and the internal diameter of dried filtrate plate is identical with the external diameter of last floating plug; Several penetrating holes evenly distribute on the said dried filtrate plate.
5. a kind of according to claim 1 moist steam distributor is characterized in that, the outlet of the oviduct of dilatation jar delivery port is equipped with blowoff valve also with blow-off pipe and connect on the blow-off pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205600969U CN202402018U (en) | 2011-12-29 | 2011-12-29 | Wet steam distributor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205600969U CN202402018U (en) | 2011-12-29 | 2011-12-29 | Wet steam distributor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202402018U true CN202402018U (en) | 2012-08-29 |
Family
ID=46699669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205600969U Expired - Fee Related CN202402018U (en) | 2011-12-29 | 2011-12-29 | Wet steam distributor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202402018U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102268982A (en) * | 2011-06-16 | 2011-12-07 | 西北工业大学 | Equal-dryness wet steam distributor |
| CN102536182A (en) * | 2011-12-29 | 2012-07-04 | 西北工业大学 | Distributor of equal dryness degree for wet steam |
| CN106933268A (en) * | 2017-02-28 | 2017-07-07 | 中国石油大学(北京) | Laboratory steam quality supervising device, monitoring method and steam drive experimental provision |
-
2011
- 2011-12-29 CN CN2011205600969U patent/CN202402018U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102268982A (en) * | 2011-06-16 | 2011-12-07 | 西北工业大学 | Equal-dryness wet steam distributor |
| CN102536182A (en) * | 2011-12-29 | 2012-07-04 | 西北工业大学 | Distributor of equal dryness degree for wet steam |
| CN106933268A (en) * | 2017-02-28 | 2017-07-07 | 中国石油大学(北京) | Laboratory steam quality supervising device, monitoring method and steam drive experimental provision |
| CN106933268B (en) * | 2017-02-28 | 2018-09-25 | 中国石油大学(北京) | Laboratory steam quality monitoring device, monitoring method and steam drive experimental provision |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120829 Termination date: 20141229 |
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| EXPY | Termination of patent right or utility model |