CN110906169A - Self-rotating shale gas organic corrosion inhibitor atomizer - Google Patents
Self-rotating shale gas organic corrosion inhibitor atomizer Download PDFInfo
- Publication number
- CN110906169A CN110906169A CN201911100875.8A CN201911100875A CN110906169A CN 110906169 A CN110906169 A CN 110906169A CN 201911100875 A CN201911100875 A CN 201911100875A CN 110906169 A CN110906169 A CN 110906169A
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- China
- Prior art keywords
- block
- roller
- corrosion inhibitor
- impeller
- atomizing
- 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.)
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Links
- 230000007797 corrosion Effects 0.000 title claims abstract description 59
- 238000005260 corrosion Methods 0.000 title claims abstract description 59
- 239000003112 inhibitor Substances 0.000 title claims abstract description 55
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 34
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 238000000889 atomisation Methods 0.000 claims description 14
- 238000009987 spinning Methods 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims description 2
- 230000006641 stabilisation Effects 0.000 claims 1
- 238000011105 stabilization Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 description 26
- 239000012530 fluid Substances 0.000 description 11
- 239000002245 particle Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000011161 development Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000011160 research Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 150000004677 hydrates Chemical class 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/12—Arrangements for supervising or controlling working operations for injecting a composition into the line
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L58/00—Protection of pipes or pipe fittings against corrosion or incrustation
Abstract
The invention discloses a self-rotating shale gas organic corrosion inhibitor atomizer, which comprises a shell, wherein a fixing mechanism, a rotating mechanism and a driving mechanism are arranged in the shell, the fixing mechanism comprises a middle roller stabilizing block, the middle roller stabilizing block is fixedly connected in the shell, one side of the middle roller stabilizing block is detachably provided with an upper roller centering block, the other side of the middle roller stabilizing block is detachably provided with a lower roller centering block, the upper roller centering block and the lower roller centering block are detachably arranged in the shell, the rotating mechanism comprises an atomizing swirler and an impeller, the atomizing swirler is detachably arranged between the middle roller stabilizing block and the upper roller centering block, the impeller is detachably arranged between the middle roller stabilizing block and the lower roller centering block, one end of the atomizing swirler is in clearance fit with the upper roller centering block, the other end of the atomizing swirler is detachably connected with the impeller, one end of the impeller is in clearance fit with the lower roller centering block, the other end of the impeller is in clearance fit with the middle roller stabilizing block.
Description
Technical Field
The invention relates to the technical field of petroleum and natural gas development tools, in particular to a self-rotating shale gas organic corrosion inhibitor atomizer.
Background
With the continuous development of shale gas development blocks in China, extracted gas contains high CO2, hydrates of CO2 are ionized under high pressure and high temperature conditions, the ionized ions can corrode production tools such as gathering and transportation pipelines greatly, the inner walls of the gathering and transportation pipelines are damaged, plaque-shaped corrosion is generated on the inner walls of the gathering and transportation pipelines, stress structures of the gathering and transportation pipelines are damaged, when corrosion reaches a certain degree, the gathering and transportation pipelines generate leaks due to the fact that the pressure of gas in the pipelines cannot be borne, the extracted gas overflows from the leaks under the action of the pressure, and when open fire occurs, explosion is easy to occur, and casualties and property loss are caused. Meanwhile, toxic and harmful associated gases such as H2S and the like can overflow into the air along with the extracted shale gas, and casualties, property loss and environmental damage are caused by the corrosivity and toxicity of the toxic and harmful gases. Based on the above problems, ensuring the safety and effectiveness of shale gas production and gathering tools, especially the effective corrosion prevention of gathering pipelines, has become an important research content in the field of shale gas development.
In the research process, the phenomenon that the medicament is deposited due to insufficient atomization in the injection process of the organic corrosion inhibitor by the existing injection device is found, the use effect of the organic corrosion inhibitor is influenced, the waste of the organic corrosion inhibitor caused by the use amount of the organic corrosion inhibitor is increased, the gas production cost is increased, in addition, the pipeline corrosion is caused by insufficient protection of the organic corrosion inhibitor on the pipe wall due to the non-uniform organic corrosion inhibitor particles in the mixed gas, and further, the more complex condition and even the occurrence of pipeline breakage accidents are caused. Therefore, the research on the self-rotating shale gas organic corrosion inhibitor atomizer is an important research direction of the current organic medicament injection tool.
Disclosure of Invention
The invention aims to provide a self-rotating shale gas organic corrosion inhibitor atomizer to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following scheme: the invention provides a self-rotating shale gas organic corrosion inhibitor atomizer which comprises a shell, wherein a fixing mechanism, a rotating mechanism and a driving mechanism are arranged in the shell, the fixing mechanism comprises a middle roller stabilizing block, the middle roller stabilizing block is fixedly connected in the shell, an upper roller centering block is detachably arranged on one side of the middle roller stabilizing block, a lower roller centering block is detachably arranged on the other side of the middle roller stabilizing block, the upper roller centering block and the lower roller centering block are detachably arranged in the shell, the rotating mechanism comprises an atomizing swirler and an impeller, the atomizing swirler is detachably arranged between the middle roller stabilizing block and the upper roller centering block, the impeller is detachably arranged between the middle roller stabilizing block and the lower roller centering block, one end of the atomizing swirler is in clearance fit with the upper roller centering block, and the other end of the atomizing swirler is detachably connected with the impeller, one end of the impeller is in clearance fit with the lower roller centering block, the other end of the impeller is in clearance fit with the middle roller stabilizing block, the driving mechanism comprises a motor stator, a hollow motor rotor of the motor stator is in shaft connection with one end of the atomizing cyclone far away from the impeller, and the two ends of the motor stator are detachably connected with the motor roller centering blocks.
Preferably, one end of the atomization cyclone is fixedly connected with an upper fixing buckle through a second fastening piece, the other end of the atomization cyclone is fixedly connected with a convex block, the end part of the impeller is provided with a groove, and the convex block is matched with the groove.
Preferably, the impeller is fixedly connected with a lower fixing buckle through a second fastener.
Preferably, the atomizing swirler includes first rotation axis, circumference is provided with a plurality of atomizing board on the first rotation axis, the runner is crossed to the raffinate has been seted up on the atomizing board, be fixed with a plurality of toper atomizing thorn on the top surface of atomizing board.
Preferably, the impeller includes the second rotation axis, demountable installation has a plurality of blade on the second rotation axis, the blade is helical structure.
Preferably, the middle roller stabilizing block is fixedly connected with the shell through a first fastener.
Preferably, the first fastener is a fixing pin, and the second fastener is a fixing bolt.
Preferably, bearings are arranged in the middle roller stabilizing block, the upper roller centering block and the lower roller centering block, and the bearings are roller bearings.
The invention discloses the following technical effects: the self-rotating shale gas organic corrosion inhibitor atomizer provided by the invention can improve the using effect and atomizing quality of an organic corrosion inhibitor, can enable the organic agent corrosion inhibitor and shale gas to be more fully and uniformly mixed, improves the using effect of the organic corrosion inhibitor, effectively reduces the deposition of the organic agent, reduces the using amount of organic corrosion inhibitor fog, and reduces the gathering and transportation operation cost, can enable the linearly flowing organic corrosion inhibitor fluid to be changed into the whirling fluid of the whirling flow of the rotary flow, can bring the atomized tiny organic corrosion inhibitor particles to a longer distance in a pipeline, has longer pipeline protection capability, can improve the using effect of the organic corrosion inhibitor in the using process, reduces the occurrence of complex conditions and even pipeline rupture accidents caused by pipeline corrosion, further reduces the non-production time of maintenance and the like, and reduces the maintenance operation cost, is a shale gas organic corrosion inhibitor injection tool with higher use and popularization values.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described 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 without inventive exercise.
FIG. 1 is a schematic structural diagram of a spinning shale gas organic corrosion inhibitor atomizer in accordance with the present invention;
FIG. 2 is a left side view of the upper roller centering block of the present invention;
FIG. 3 is a front view of an atomizing cyclone in the present invention;
FIG. 4 is a right side view of an atomizing cyclone in the present invention;
FIG. 5 is a schematic view of the structure of the residual liquid passage of the present invention;
FIG. 6 is an enlarged view of a portion of FIG. 1;
FIG. 7 is an enlarged view of a portion B of FIG. 1;
FIG. 8 is an enlarged view of a portion C of FIG. 1;
wherein, 1-shell; 2-fixing the button; 3-atomizing swirler; 4-an atomization plate; 5-installing a roller righting block; 6-middle roller stabilizing block; 7-a bump; 8-a groove; 9-an impeller; 10-lower roller righting block; 11-lower fixing buckle; 12-a bearing; 13-a first fastener; 14-a second fastener; 15-blades; 16-a first axis of rotation; 17-a second rotating shaft, 18-a motor stator, 19-a hollow motor rotor, 20-a motor roller centering block, 21-a conical atomization thorn and 22-a residual liquid passing flow channel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Referring to fig. 1-8, the invention provides a self-rotating shale gas organic corrosion inhibitor atomizer, which comprises a housing 1, wherein a fixing mechanism, a rotating mechanism and a driving mechanism are arranged in the housing 1, the fixing mechanism comprises a middle roller stabilizing block 6, the middle roller stabilizing block 6 is fixedly connected in the housing 1, one side of the middle roller stabilizing block 6 is detachably provided with an upper roller centering block 5, the other side of the middle roller stabilizing block 6 is detachably provided with a lower roller centering block 10, the upper roller centering block 5 and the lower roller centering block 10 are detachably arranged in the housing 1, the rotating mechanism comprises an atomizing swirler 3 and an impeller 9, the atomizing swirler 3 is detachably arranged between the middle roller stabilizing block 6 and the upper roller centering block 5, the impeller 9 is detachably arranged between the middle roller stabilizing block 6 and the lower roller centering block 10, one end of the atomizing swirler 3 is in clearance fit with the upper roller centering block 5, the other end of atomizing swirler 3 can be dismantled with impeller 9 and be connected, impeller 9's one end and lower roller right piece 10 clearance fit, impeller 9's the other end and the 6 clearance fit of well roller stabilizing block, actuating mechanism includes motor stator 18, motor stator 18's hollow motor rotor 19 and atomizing swirler 3 keep away from the one end coupling of impeller 9, motor stator 18 both ends can be dismantled and be connected with motor roller and right piece 20, and the hollow rotor motor that motor stator 18 and hollow motor rotor 19 are constituteed passes through roller bearing (not marked in the figure) and installs on motor roller rights piece 20, constitutes hollow rotor motor assembly jointly, and hollow rotor motor assembly rights piece 20 threaded connection on shell 1 through the motor roller.
According to a further optimization scheme, one end of the atomization cyclone 3 is fixedly connected with an upper fixing buckle 2 through a second fastening piece 14, the other end of the atomization cyclone 3 is fixedly connected with a convex block 7, the end part of the impeller 9 is provided with a groove 8, and the convex block 7 is matched with the groove 8.
In a further optimized scheme, the impeller 9 is fixedly connected with a lower fixing buckle 11 through a second fastening piece 14.
Further optimize the scheme, atomizing swirler 3 includes first rotation axis 16, circumference is provided with a plurality of atomizing board 4 on the first rotation axis 16, it crosses the runner 22 to have seted up the raffinate on the atomizing board 4, be fixed with a plurality of toper atomizing thorn 21 on the top surface of atomizing board 4.
In a further optimized scheme, the impeller 9 includes a second rotating shaft 17, a plurality of blades 15 are detachably mounted on the second rotating shaft 17, and the blades 15 are in a spiral structure.
In a further optimized scheme, the middle roller stabilizing block 6 is fixedly connected with the shell 1 through a first fastening piece 13.
In a further optimized scheme, the first fastening piece 13 is a fixing pin, and the second fastening piece 14 is a fixing bolt.
In a further optimized scheme, bearings 12 are arranged in the middle roller stabilizing block 6, the upper roller centering block 5 and the lower roller centering block 10, and the bearings 12 are roller bearings 12.
The atomizing cyclone 3 is driven by the driving mechanism to rotate at a high speed, the atomizing plate 4 on the atomizing cyclone 3 continuously strikes the flowing organic corrosion inhibitor fluid through high-speed rotation, so that the organic corrosion inhibitor fluid is changed into organic corrosion inhibitor particles from the organic corrosion inhibitor fluid, further the organic corrosion inhibitor particles are gradually refined, a nearly semicircular organic corrosion inhibitor centrifugal flow resistance head (shown in figure 5) is designed on the atomizing plate 4, the organic corrosion inhibitor is prevented from splashing into the tool shell under the action of centrifugal force, the atomizing plate 4 is provided with a conical atomizing spine 21, the longitudinal contact area of the atomizing plate 4 and the organic corrosion inhibitor is increased through the conical atomizing spine 21, larger particles can be changed into smaller particles, the atomizing plate 4 is provided with a residual liquid passing flow passage 22 at the front and rear staggered positions, so that the organic corrosion inhibitor which is remained on the atomizing plate 4 and the organic corrosion inhibitor retained on the centrifugal flow resistance head flow to the next atomizing plate 4 through the residual liquid passing flow passage 22, the above-mentioned processes are repeated so as to make all the organic corrosion inhibitor be atomized, and in the atomization cyclone 3 there is no residual organic corrosion inhibitor.
When shale gas production operation is carried out, firstly, the atomization cyclone 3 disclosed by the invention is installed at the outlet of an organic corrosion inhibitor injection device, organic corrosion inhibitor fluid enters the impeller 9 from the lower roller centering block 10, and with the continuous inflow of the organic corrosion inhibitor fluid, the impeller 9 is driven to rotate at a high speed by pushing the blades 15 to rotate, and when the impeller 9 rotates, the atomization cyclone 3 is driven to rotate, and at the moment, the atomization plate 4 on the atomization cyclone 3 repeatedly hits the organic corrosion inhibitor fluid, so that the organic corrosion inhibitor fluid is gradually atomized into fine mist particles, uniform mixing of the organic corrosion inhibitor and the produced shale gas can be realized, the organic corrosion inhibitor is fully and uniformly attached to the inner wall of a pipeline, and the use effect of the organic corrosion inhibitor is improved. The linear organic corrosion inhibitor fluid is changed into the whirlpool-shaped fluid which flows in a rotating way by continuously beating the atomizing cyclone 3, so that the carrying capacity of organic corrosion inhibitor particles of mixed gas is improved, and the pipeline protection action section is longer.
The self-rotating shale gas organic corrosion inhibitor atomizer disclosed by the invention has better antistatic effect by adopting a surface copper plating process, cannot generate any influence on the safety of shale gas production operation, and meanwhile, easily-worn parts in an integral structure adopt standard parts and are easy to purchase and replace, so that the use cost of the integral device is low.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (8)
1. A self-rotating shale gas organic corrosion inhibitor atomizer is characterized in that: comprises a shell (1), a fixing mechanism, a rotating mechanism and a driving mechanism are arranged in the shell (1), the fixing mechanism comprises a middle roller stabilizing block (6), the middle roller stabilizing block (6) is fixedly connected in the shell (1), an upper roller centering block (5) is detachably arranged on one side of the middle roller stabilizing block (6), a lower roller centering block (10) is detachably arranged on the other side of the middle roller stabilizing block (6), the upper roller centering block (5) and the lower roller centering block (10) are detachably arranged in the shell (1), the rotating mechanism comprises an atomizing swirler (3) and an impeller (9), the atomizing swirler (3) is detachably arranged between the middle roller stabilizing block (6) and the upper roller centering block (5), the impeller (9) is detachably arranged between the middle roller stabilizing block (6) and the lower roller centering block (10), the one end and the last roller of atomizing swirler (3) are right piece (5) clearance fit, the other end and impeller (9) of atomizing swirler (3) can be dismantled and be connected, the one end and the lower roller of impeller (9) are right piece (10) clearance fit, the other end and well roller stabilization piece (6) clearance fit of impeller (9), actuating mechanism includes motor stator (18), the one end coupling that impeller (9) were kept away from in the hollow motor rotor (19) of motor stator (18) and atomizing swirler (3), motor stator (18) both ends can be dismantled and be connected with motor roller and right piece (20).
2. The organic corrosion inhibitor atomizer of spinning shale gas according to claim 1, characterized in that: one end of the atomization swirler (3) is fixedly connected with an upper fixing buckle (2) through a second fastening piece (14), the other end of the atomization swirler (3) is fixedly connected with a convex block (7), the end part of the impeller (9) is provided with a groove (8), and the convex block (7) is matched with the groove (8).
3. The organic corrosion inhibitor atomizer of spinning shale gas according to claim 2, characterized in that: the impeller (9) is fixedly connected with a lower fixing buckle (11) through a second fastener (14).
4. The organic corrosion inhibitor atomizer of spinning shale gas according to claim 1, characterized in that: atomizing swirler (3) includes first rotation axis (16), circumference is provided with a plurality of atomizing board (4) on first rotation axis (16), it crosses runner (22) to have seted up the raffinate on atomizing board (4), be fixed with a plurality of toper atomizing thorn (21) on the top surface of atomizing board (4).
5. The organic corrosion inhibitor atomizer of spinning shale gas according to claim 3, wherein: impeller (9) include second rotation axis (17), demountable installation has a plurality of blade (15) on second rotation axis (17), blade (15) are helical structure.
6. The organic corrosion inhibitor atomizer of spinning shale gas according to claim 1, characterized in that: the middle roller stabilizing block (6) is fixedly connected with the shell (1) through a first fastener (13).
7. The organic corrosion inhibitor atomizer of spinning shale gas according to claims 3 and 6, characterized in that: the first fastening piece (13) is a fixing pin, and the second fastening piece (14) is a fixing bolt.
8. The organic corrosion inhibitor atomizer of spinning shale gas according to claim 6, wherein: and bearings (12) are arranged in the middle roller stabilizing block (6), the upper roller righting block (5) and the lower roller righting block (10), and the bearings (12) are roller bearings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911100875.8A CN110906169B (en) | 2019-11-12 | 2019-11-12 | Self-rotating shale gas organic corrosion inhibitor atomizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911100875.8A CN110906169B (en) | 2019-11-12 | 2019-11-12 | Self-rotating shale gas organic corrosion inhibitor atomizer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110906169A true CN110906169A (en) | 2020-03-24 |
| CN110906169B CN110906169B (en) | 2024-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911100875.8A Active CN110906169B (en) | 2019-11-12 | 2019-11-12 | Self-rotating shale gas organic corrosion inhibitor atomizer |
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|---|---|---|---|---|
| GB1212014A (en) * | 1967-04-14 | 1970-11-11 | Dust Suppression Ltd | Improvements in methods of and means for suppressing the formation and movement of particles in gas mains |
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| CN2819022Y (en) * | 2005-06-17 | 2006-09-20 | 西安东新石油设备厂 | Natural gas flow-path treater of gas-gathering station |
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-
2019
- 2019-11-12 CN CN201911100875.8A patent/CN110906169B/en active Active
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|---|---|---|---|---|
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| Publication number | Publication date |
|---|---|
| CN110906169B (en) | 2024-03-22 |
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