CN109771989B - Polymer mother liquor deaerating plant - Google Patents
Polymer mother liquor deaerating plant Download PDFInfo
- Publication number
- CN109771989B CN109771989B CN201810959963.2A CN201810959963A CN109771989B CN 109771989 B CN109771989 B CN 109771989B CN 201810959963 A CN201810959963 A CN 201810959963A CN 109771989 B CN109771989 B CN 109771989B
- Authority
- CN
- China
- Prior art keywords
- mother liquor
- pipe
- opening
- liquid inlet
- backflow groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000012452 mother liquor Substances 0.000 title claims abstract description 48
- 229920000642 polymer Polymers 0.000 title claims abstract description 35
- 239000007788 liquid Substances 0.000 claims abstract description 38
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 15
- 239000001301 oxygen Substances 0.000 claims description 15
- 229910052760 oxygen Inorganic materials 0.000 claims description 15
- 239000011148 porous material Substances 0.000 claims description 7
- 230000002000 scavenging effect Effects 0.000 claims 3
- 238000000034 method Methods 0.000 abstract description 17
- 230000008569 process Effects 0.000 abstract description 13
- 238000006392 deoxygenation reaction Methods 0.000 abstract description 6
- 238000006243 chemical reaction Methods 0.000 abstract description 5
- 238000011084 recovery Methods 0.000 abstract description 5
- 238000007872 degassing Methods 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 18
- 230000032683 aging Effects 0.000 description 7
- 239000003921 oil Substances 0.000 description 4
- 230000005070 ripening Effects 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000693 micelle Substances 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Images
Landscapes
- Degasification And Air Bubble Elimination (AREA)
- Paper (AREA)
Abstract
The invention discloses a polymer mother liquor deoxygenation device, and relates to the field of tertiary oil recovery. According to the technical scheme provided by the embodiment of the invention, the backflow groove 6 with the spiral inner part is designed, the cylindrical pipe 4 with a plurality of sieve holes is sleeved outside the backflow groove 6, so that polymer mother liquor can enter the backflow groove 6 through the liquid inlet valve 2, is uniformly mixed in the flowing process of the spiral structure of the backflow groove 6, then enters the curing groove through the sieve holes 5 on the pipe wall of the cylindrical pipe 4 outside the backflow groove 6, and is broken and rises through the sieve holes 5 to be discharged out of the degassing device through the exhaust pipe 7 connected with the pipe wall of the cylindrical pipe 4, so that the aim of removing the dissolved gas in the mother liquor is fulfilled, the condition that the reaction occurs due to the existence of the dissolved gas in the mother liquor curing process is avoided, and the viscosity of the polymer mother liquor is not reduced.
Description
Technical Field
The invention relates to the field of tertiary oil recovery, in particular to a polymer mother liquor deoxygenation device.
Background
In order to increase the recovery of crude oil from an oil field, those skilled in the art will typically produce oil using tertiary recovery techniques. Polymer flooding is an important technology in tertiary oil recovery, and the method is that polymer dry powder is dissolved and cured on the ground to form mother liquor, and the mother liquor is injected into the ground through a polymer injection pump.
The dissolving process makes the polymer mother liquor contain a certain amount of dissolved gas, so that the polymer mother liquor generates redox reaction due to the existence of oxygen in the dissolved gas in the subsequent curing process, the macromolecular chains of the polymer are broken, and the viscosity of the mother liquor is reduced.
At present, the content of oxygen dissolved in the polymer mother liquor is reduced only by a step of stirring by a stirrer during the curing process of the polymer mother liquor, but the dissolved gas in the mother liquor cannot be fully released by the method. Therefore, a special polymer mother liquor deoxygenation device is needed to further solve the problem that the viscosity of the polymer mother liquor is reduced due to the reaction caused by the presence of oxygen in the process of curing the mother liquor.
Disclosure of Invention
The embodiment of the invention provides a polymer mother liquor deoxygenation device, which can solve the problem that the viscosity of mother liquor is reduced because the macromolecular chains of a polymer are broken due to oxygen carried by the mother liquor in a curing mode, and adopts the following technical scheme:
in one aspect, a polymer mother liquor oxygen removal device is provided, which specifically comprises:
the device comprises a tank body 1, wherein a first opening and at least one second opening are formed in the upper surface of the tank body 1, a liquid inlet valve 2 is arranged in the first opening, a breather valve 3 is arranged in the at least one second opening, and the lower end of the tank body 1 is opened; a cylindrical pipe 4 is arranged in the tank body 1, and a plurality of sieve holes 5 are formed in the pipe wall of the cylindrical pipe 4; a backflow groove 6 is sleeved in the cylindrical pipe 4, the inside of the backflow groove 6 is of a spiral structure, and the backflow groove 6 is connected with the liquid inlet valve 2; at least one sieve pore 5 on the pipe wall of the cylindrical pipe 4 is connected with at least one exhaust pipe, and the at least one exhaust pipe is communicated with the at least one second opening.
In one possible design, the device is integrally formed with the curing tank.
In one possible design, the device is fixed to the opening of the curing tank by means of a fixing element.
In one possible design, the number of second openings is 2, and correspondingly the number of exhaust pipes 7 is 2.
In one possible design, the exhaust pipe 7 is located above one-half of the height of the cylindrical tube 4.
In one possible design, the screen openings 5 are circular screen openings.
In one possible design, the lower opening of the pouring spout 6 is the same size as the sieve aperture 5.
In one possible design, the connection between the pouring spout 6 and the inlet valve 2 is a sleeve joint.
In one possible design, the connection of the pouring spout 6 to the intake valve 2 is a threaded connection.
In one possible design, the inlet valve 2 is connected to an inlet line.
The technical scheme provided by the invention has the beneficial effects that at least:
according to the technical scheme provided by the embodiment of the invention, the backflow groove 6 with the spiral inner part is designed, the cylindrical pipe 4 with a plurality of sieve holes is sleeved outside the backflow groove 6, so that polymer mother liquor can enter the backflow groove 6 through the liquid inlet valve 2, is uniformly mixed in the flowing process of the spiral structure of the backflow groove 6, then enters the curing groove through the sieve holes 5 on the pipe wall of the cylindrical pipe 4 outside the backflow groove 6, and is broken and rises through the sieve holes 5 to be discharged out of the degassing device through the exhaust pipe 7 connected with the pipe wall of the cylindrical pipe 4, so that the aim of removing the dissolved gas in the mother liquor is fulfilled, the condition that the reaction occurs due to the existence of the dissolved gas in the mother liquor curing process is avoided, and the viscosity of the polymer mother liquor is not reduced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic diagram of a polymer mother liquor deoxygenation device provided by the present invention;
FIG. 2 is a schematic view of the wall of a cylindrical tube 4 in the apparatus of FIG. 1;
fig. 3 is a schematic cross-sectional view of the pouring spout 6 of the device of fig. 1.
While specific embodiments of the invention have been shown by way of example in the drawings and will be described in detail hereinafter, such drawings and description are not intended to limit the scope of the inventive concepts in any way, but rather to explain the inventive concepts to those skilled in the art by reference to the particular embodiments.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
The exemplary embodiments will be described herein in detail, and the embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention; rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.
The embodiment of the invention provides a polymer mother liquor deoxygenation device, which comprises the following components in percentage by weight as shown in fig. 1:
the device comprises a tank body 1, wherein a first opening and at least one second opening are formed in the upper surface of the tank body 1, a liquid inlet valve 2 is arranged in the first opening, a breather valve 3 is arranged in the at least one second opening, and the lower end of the tank body 1 is opened; a cylindrical pipe 4 is arranged in the tank body 1, and a plurality of sieve pores 5 are arranged on the pipe wall of the cylindrical pipe 4; a backflow groove 6 is sleeved in the cylindrical pipe 4, the inside of the backflow groove 6 is of a spiral structure, and the backflow groove 6 is connected with the liquid inlet valve 2; at least one vent pipe 7 is connected to at least one screen hole 5 on the wall of the cylindrical pipe 4, and the at least one vent pipe 7 is communicated with the at least one second opening.
The tank body 1 is a main body part of the oxygen removing device, is connected with the top end of the aging tank, and has a cross section shape matched with the cross section shape of the opening of the aging tank, and correspondingly, has a cross section size matched with the cross section size of the aging tank. Further, the tank body 1 should be capable of realizing seamless connection with the top end of the aging tank.
Optionally, the first opening formed in the upper surface of the tank body 1 may be located at the center, or may be located at the edge of the upper surface.
Alternatively, the material of the tank body 1 may be quartz stone, and if the material is quartz stone, the upper and lower surfaces should be smooth to achieve good tightness of the device.
The liquid inlet valve 2 is an inlet of the device, the liquid inlet pipeline can be controlled to flow by opening and closing the liquid inlet valve 2, and when the liquid inlet valve 2 is in an open state, liquid in the liquid inlet pipeline connected with the liquid inlet valve enters the device.
The size of the cross section of the liquid inlet valve 2 is the same as or slightly smaller than that of the first opening arranged on the upper surface of the tank body 1. When the size of the cross section of the liquid inlet valve 2 is the same as the size of the first opening, the liquid inlet valve 2 can be nested on the first opening; when the size of the cross section of the liquid inlet valve 2 is slightly smaller than that of the first opening, the liquid inlet valve 2 and the first opening can be in threaded connection.
Optionally, the liquid inlet valve 2 may include a valve body, a valve lever, a valve flap, a hand wheel, and a valve seat, wherein when the liquid inlet valve 2 is closed, a sealing surface of the valve flap is tightly attached to a sealing surface of the valve seat by pressure of the valve lever, so as to prevent liquid from flowing through, and when the liquid inlet valve 2 is opened, the valve flap linearly moves along a central line of the liquid, so that the liquid passes through.
The breather valve 3 controls the discharge of gas from the device, and when the breather valve 3 is in an open state, gas in the exhaust pipe 5 connected thereto is discharged from the device.
Optionally, the size of the cross section of the breather valve 3 should be the same as or slightly smaller than the size of the at least one second opening provided on the upper surface of the tank 1. When the cross-sectional dimension of the breather valve 3 is the same as the dimension of the second opening, the breather valve 3 can be nested on the second opening, and when the cross-sectional dimension of the breather valve 3 is slightly smaller than the dimension of the second opening, the breather valve 3 can be in threaded connection with the second opening. The cylindrical pipe 4 is arranged in the tank body 1, the upper end of the cylindrical pipe is seamlessly connected with the lower side surface of the upper surface of the tank body 1, and the bottom end of the cylindrical pipe extends into the aging tank. The pipe wall of the cylindrical pipe 4 is provided with a plurality of sieve holes 5, so that when the polymer mother liquor flows to the ripening tank through the sieve holes 5, the dissolved gas therein is broken and rises when passing through the sieve holes 5 and does not enter the ripening tank along with the mother liquor. Alternatively, the size of the screen holes 5 may be limited so that the micelles in the polymer mother liquor do not pass through the screen holes into the aging tank.
The refluence groove 6 cup joints in cylinder pipe 4, and the upper end of this refluence groove 6 communicates with each other with feed liquor valve 2, and the mother liquor can get into the refluence groove 6 through feed liquor valve 2 in, further mixes the back in the refluence groove 6, and the sieve mesh 5 through the cylinder pipe 4 outer wall that its outside cup jointed flows into the ageing groove, and dissolved gas breaks when the sieve mesh 5 rises in the liquid.
Alternatively, the size of the spiral structure inside the reverse flow groove 6 may be set according to the viscosity of the polymer mother liquid and the content of the dissolved gas. When the viscosity of the polymer mother liquor is higher and the content of dissolved gas is higher, the total length of the spiral structure is properly increased.
Alternatively, the backflow groove 6 may be made of metal, and when the backflow groove 6 is made of metal, the surface thereof should be painted to reduce corrosion.
The vent-pipe 7 connects the sieve pores 5 and the breather valves 3 of the pipe wall of the cylindrical pipe 4, the number of the vent-pipe should be consistent with the number of the breather valves 3, the size of the cross section of the vent-pipe 7 should be consistent with the size of the sieve pores 5 connected, and meanwhile, the pipe wall thickness of the vent-pipe 7 should not be too thin so as to prevent air leakage caused by damage of the pipe wall.
The technical scheme provided by the invention has the beneficial effects that at least:
according to the technical scheme provided by the embodiment of the invention, the backflow groove 6 with the spiral inner part is designed, the cylindrical pipe 4 with a plurality of sieve holes is sleeved outside the backflow groove 6, so that polymer mother liquor can enter the backflow groove 6 through the liquid inlet valve 2, is uniformly mixed in the flowing process of the spiral structure of the backflow groove 6, then enters the curing groove through the sieve holes 5 on the pipe wall of the cylindrical pipe 4 outside the backflow groove 6, and is broken and rises through the sieve holes 5 to be discharged out of the degassing device through the exhaust pipe 7 connected with the pipe wall of the cylindrical pipe 4, so that the aim of removing the dissolved gas in the mother liquor is fulfilled, the condition that the reaction occurs due to the existence of the dissolved gas in the mother liquor curing process is avoided, and the viscosity of the polymer mother liquor is not reduced.
In one possible design, the oxygen removal device can be implemented using two processes: one, the device and the curing groove are integrally formed; one such device may be secured to the opening of the curing tank by fasteners. When the fixing member is used for fixing, the fixing member may use a metal bolt and a pressing plate.
In one possible design, the position of the exhaust pipe 7 is located above a position of one half of the height of the cylindrical pipe 4. In order to increase the gas flow distance and better realize the discharge of the gas in the mother liquor, the vent pipe 7 is optionally connected to the sieve holes 5 which are positioned above two thirds of the height of the cylindrical pipe 4.
In a possible design, the number of exhaust pipes 7 should correspond to the number of second openings of the tank 1, which is 2, and correspondingly the number of exhaust pipes 7 is 2. Optionally, in order to increase the exhaust speed of the device, the number of the second openings of the tank body 1 may be 4, and correspondingly, the number of the exhaust pipes 7 connected to the openings is also 4.
In one possible design, the screen openings 5 are circular screen openings. In order to facilitate the connection of the exhaust pipe 7, the second opening is a circular hole.
In one possible design, the backflow groove 6 is in a shape with a narrow upper part and a wide lower part, and the size of the lower opening of the backflow groove 6 is the same as that of the sieve pore 5, so that the blocking and mixing of micelles in the non-uniform polymer mother liquor are realized; alternatively, the lower surface of the reverse flow groove 6 may be a hole smaller than the size of the mesh to achieve that the polymer mother liquor substantially flows out of the mesh 5.
In a possible design, the connection mode of the backflow groove 6 and the liquid inlet valve 2 can be socket joint or threaded connection, and when the connection mode is socket joint, the diameter of the section of the valve body of the liquid inlet valve 2 is ensured to be the same as the caliber of an opening arranged on the upper surface of the backflow groove 6, so that liquid leakage or corrosion is prevented; when the connection mode is threaded connection, the threads arranged on the liquid inlet valve 2 are ensured to be matched with the threads arranged on the opening on the upper surface of the backflow groove 6. When needs carry out the operation, feed liquor valve 2 and feed liquor pipeline are connected, optional, can directly with the delivery outlet of dispersion dissolving device with feed liquor valve 2 be connected.
In summary, according to the technical scheme provided by the embodiment of the present invention, the backflow groove 6 with a spiral inner portion is designed, and the cylindrical pipe 4 with a plurality of sieve holes is sleeved outside the backflow groove 6, so that the polymer mother liquor enters the backflow groove 6 through the liquid inlet valve 2, the polymer mother liquor is uniformly mixed in the flow process of the spiral structure of the backflow groove 6, enters the ripening groove through the sieve holes 5 on the pipe wall of the cylindrical pipe 4 outside the backflow groove 6, and the dissolved gas in the mother liquor rises through the sieve holes 5 in a broken manner and is discharged out of the degassing device through the exhaust pipe 7 connected to the pipe wall of the cylindrical pipe 4, thereby removing the dissolved gas in the mother liquor, and solving the problem of viscosity reduction of the polymer mother liquor caused by reaction due to the existence of the dissolved gas in the mother liquor ripening process.
The above description is only exemplary of the present invention and should not be taken as limiting, and any modifications, equivalents, improvements and the like that are made within the spirit and the principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. A polymer mother liquor oxygen removal device, characterized in that the device comprises:
the device comprises a tank body (1), wherein a first opening and at least one second opening are formed in the upper surface of the tank body (1), a liquid inlet valve (2) is arranged in the first opening, a breather valve (3) is arranged in the at least one second opening, and the lower end of the tank body (1) is opened;
a cylindrical pipe (4) is arranged in the tank body (1), and a plurality of sieve holes (5) are formed in the pipe wall of the cylindrical pipe (4);
a backflow groove (6) is sleeved in the cylindrical pipe (4), the inside of the backflow groove (6) is of a spiral structure, and the backflow groove (6) is connected with the liquid inlet valve (2);
at least one sieve pore (5) on the pipe wall of the cylindrical pipe (4) is connected with at least one exhaust pipe (7), the position of the exhaust pipe (7) is more than one half of the height of the cylindrical pipe (4), and the at least one exhaust pipe (7) is communicated with the at least one second opening;
the lower opening of the pouring groove (6) is the same as the sieve pore (5) in size.
2. The oxygen scavenging device of claim 1 wherein the device is integrally formed with a curing bath.
3. The oxygen scavenging device of claim 1 wherein the device is secured to the opening of the curing tank by a fastener.
4. The oxygen removal device as claimed in claim 1, characterized in that the number of the second openings is 2 and correspondingly the number of exhaust pipes (7) is 2.
5. Oxygen scavenging device according to claim 1, characterized in that the sieve openings (5) are circular sieve openings.
6. The oxygen removing device as claimed in claim 1, characterized in that the pouring spout (6) is connected to the liquid inlet valve (2) in a sleeved manner.
7. The oxygen removal device as claimed in claim 1, characterized in that the connection of the pouring spout (6) to the liquid inlet valve (2) is a threaded connection.
8. The oxygen removal device as claimed in claim 1, characterized in that the liquid inlet valve (2) is connected to a liquid inlet line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810959963.2A CN109771989B (en) | 2018-08-22 | 2018-08-22 | Polymer mother liquor deaerating plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810959963.2A CN109771989B (en) | 2018-08-22 | 2018-08-22 | Polymer mother liquor deaerating plant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109771989A CN109771989A (en) | 2019-05-21 |
| CN109771989B true CN109771989B (en) | 2021-08-03 |
Family
ID=66496290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810959963.2A Active CN109771989B (en) | 2018-08-22 | 2018-08-22 | Polymer mother liquor deaerating plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109771989B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114618366A (en) * | 2020-12-11 | 2022-06-14 | 中国石油天然气股份有限公司 | Polymer curing device and curing method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009133796A1 (en) * | 2008-04-28 | 2009-11-05 | 花王株式会社 | Aqueous ink for inkjet recording |
| CN204412166U (en) * | 2015-01-13 | 2015-06-24 | 东北石油大学 | For the polymer closed mixer in Polymer Flooding |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4231767A (en) * | 1978-10-23 | 1980-11-04 | Trw Inc. | Liquid-gas separator apparatus |
| US8177975B2 (en) * | 2004-01-21 | 2012-05-15 | Thrush Co., Inc | Apparatus for removing air and/or debris from a flow of liquid |
| CN101116786B (en) * | 2006-08-04 | 2011-01-19 | 富准精密工业(深圳)有限公司 | Gas-liquid separator |
| CN203971848U (en) * | 2014-07-11 | 2014-12-03 | 张兆伟 | Tertiary oil production in oil field polymer dispersed dissolver |
| KR20180060361A (en) * | 2016-11-29 | 2018-06-07 | 주식회사 케이씨텍 | Chemical degassing device |
| CN206566553U (en) * | 2017-03-15 | 2017-10-20 | 重庆山外山血液净化技术股份有限公司 | Blood purification mixing degassing tank |
-
2018
- 2018-08-22 CN CN201810959963.2A patent/CN109771989B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009133796A1 (en) * | 2008-04-28 | 2009-11-05 | 花王株式会社 | Aqueous ink for inkjet recording |
| CN204412166U (en) * | 2015-01-13 | 2015-06-24 | 东北石油大学 | For the polymer closed mixer in Polymer Flooding |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109771989A (en) | 2019-05-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109771989B (en) | Polymer mother liquor deaerating plant | |
| CN108413032A (en) | A kind of tower pressure vessel and its working method | |
| CN109200731B (en) | Filter capable of synchronously conveying gas and liquid | |
| DE10229801A1 (en) | eductor | |
| CN100551509C (en) | A kind of pressed powder, particle dissolution dispersing device | |
| CN203002688U (en) | Cleaning machine of bottle stopper | |
| CN208356559U (en) | A kind of pipe-line mixer being installed on before washing layering tank | |
| CN206276260U (en) | A kind of silent oscillation gas-liquid fluid mixing arrangement | |
| CN107673492B (en) | Double-wall type perforated aerator pipe and aeration method thereof | |
| CN206965602U (en) | A kind of system for contributing to underflow to stir and prevent line clogging | |
| CN2609653Y (en) | Vortex mixing device for drilling fluid, cement paste and fracturing fluids | |
| CN211448669U (en) | Small-size oil-gas separation sampling device | |
| CN102300630A (en) | Downflow Mixers With Gas Injection Devices And/or Baffles | |
| CN201058286Y (en) | Device for solubilizing and dispersing solid powder and particle | |
| CN208203993U (en) | A kind of tower pressure vessel | |
| CN108178223A (en) | Air-dissolving air-float gas-liquid mixed screening plant and the air-dissolving air-float system for including it | |
| CN210739469U (en) | Novel backflow stopping device | |
| CN209952298U (en) | Centrifugal separation bubble trap | |
| CN207627984U (en) | A kind of gas-liquid separation regards cup device | |
| CN109296940B (en) | Pipeline accumulated liquid discharge device and method | |
| CN102755845B (en) | Jet flow water film adhering preventing mixing device | |
| CN201434209Y (en) | Remote material flow stopping device | |
| CN110694500B (en) | Pneumatic circulating type oil-water two-phase flow equal-phase flow distribution device | |
| CN214944191U (en) | Equipment is thrown to stifled turn-around agent of oil gas well large granule temporarily | |
| CN209205060U (en) | A kind of compounding tank for composition pesticide |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |