CN212430468U - Pipeline anti-blocking device - Google Patents
Pipeline anti-blocking device Download PDFInfo
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- CN212430468U CN212430468U CN202020427029.9U CN202020427029U CN212430468U CN 212430468 U CN212430468 U CN 212430468U CN 202020427029 U CN202020427029 U CN 202020427029U CN 212430468 U CN212430468 U CN 212430468U
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- pipe
- blocking
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- pipeline
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- 238000002347 injection Methods 0.000 claims abstract description 60
- 239000007924 injection Substances 0.000 claims abstract description 60
- 238000009826 distribution Methods 0.000 claims description 30
- 239000000945 filler Substances 0.000 claims description 3
- 230000008676 import Effects 0.000 claims description 2
- 230000002265 prevention Effects 0.000 claims 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 42
- 239000003345 natural gas Substances 0.000 abstract description 21
- 238000000746 purification Methods 0.000 abstract description 16
- 239000013078 crystal Substances 0.000 abstract description 6
- 238000012824 chemical production Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 230000000903 blocking effect Effects 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 2
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 235000012538 ammonium bicarbonate Nutrition 0.000 description 2
- 239000001099 ammonium carbonate Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model provides a stifled device is prevented to pipeline belongs to the chemical production equipment field. The pipeline anti-blocking device comprises an anti-blocking connecting pipe, a main valve, a middle pipe, a discharge valve and a plurality of injection pipes, wherein an outlet of the anti-blocking connecting pipe is communicated with an inlet of the main valve, an outlet of the main valve is communicated with an inlet of the middle pipe, an outlet of the middle pipe is communicated with inlets of the injection pipes, an outlet of each injection pipe is communicated with a pipeline of the natural gas purifying device, an inlet of the discharge valve is communicated with the middle pipe, and an outlet of the discharge valve is communicated with the device to be recovered. The pipeline anti-blocking device provided by the embodiment can eliminate the condition that crystals block the pipeline of the natural gas purification device.
Description
Technical Field
The utility model relates to a chemical production equipment field, in particular to pipeline prevents stifled device.
Background
The natural gas needs to be deprived of H contained therein before being liquefied or entering a user2S、CO2、H2Harmful impurities such as O and the like are often treated by using a natural gas purifying device.
In the related art, the natural gas purification apparatus generally includes a desulfurization apparatus, an acid water stripping apparatus, a tail gas treatment apparatus, and the like. In the sour water stripping device, some necessary safety valves are provided in order to prevent explosion accidents caused by internal gas pressure exceeding the design pressure due to operation failure, power failure, water cut, fire and the like of a pressure vessel and a pipeline.
However, since the acidic water contains hydrogen sulfide, ammonium hydrogen carbonate and the like, the ammonium hydrogen carbonate is decomposed from the acidic water, enters a gas phase with the acid gas, and is precipitated and crystallized at a dead end of a pipeline where the gas does not flow. When the device is operated for a long time, the crystals can block pipelines and a front cut-off valve of the safety valve, so that the front cut-off valve of the safety valve cannot be closed and the safety valve fails. In addition, the crystal can block instrument pipelines such as a transmitter pressure leading pipe and the like, so that the instrument detection is inaccurate, and the safe operation of the natural gas purification device is influenced.
SUMMERY OF THE UTILITY MODEL
The embodiment of the disclosure provides a pipeline anti-blocking device, which can eliminate the condition that crystals block a pipeline of a natural gas purification device. The technical scheme is as follows:
the embodiment of the present disclosure provides a pipeline anti-blocking device, the pipeline anti-blocking device includes anti-blocking connection pipe, main valve, intermediate pipe, discharge valve and a plurality of injection pipes, anti-blocking connection pipe is including the entry that is used for injecting anti-blocking medium, the export of anti-blocking connection pipe with the import intercommunication of main valve, the export of main valve with the entry intercommunication of intermediate pipe, the export and each of intermediate pipe the entry intercommunication of injection pipe, the entry intercommunication of discharge valve is in between the entry and the export of intermediate pipe.
In an implementation manner of the present disclosure, the pipeline anti-blocking device further includes a plurality of control valves, the control valves correspond to the injection pipes one to one, inlets of the control valves are communicated with outlets of the intermediate pipes, and outlets of the control valves are respectively communicated with inlets of the injection pipes corresponding to the control valves.
In another implementation manner of the present disclosure, the middle pipe includes a filling pipe and a distribution pipe, an inlet of the filling pipe is communicated with an outlet of the main valve, an outlet of the filling pipe is communicated with an inlet of the distribution pipe, the distribution pipe includes a plurality of outlets, outlets of the distribution pipe are arranged in a one-to-one correspondence with the injection pipes, and each outlet of the distribution pipe is communicated with an inlet of each injection pipe.
In still another implementation manner of the present disclosure, the pipeline anti-blocking device further includes a first joint, the outlet of the filler pipe is communicated with the inlet of the first joint, and the outlet of the first joint is communicated with the inlet of the distribution pipe.
In another implementation manner of the present disclosure, the distribution pipe includes a main pipe and a plurality of branch pipes, the branch pipes are disposed in one-to-one correspondence with the injection pipes, an inlet of the main pipe is communicated with an outlet of the filling pipe, an outlet of the main pipe is communicated with an inlet of each of the branch pipes, and an outlet of each of the branch pipes is respectively communicated with a corresponding inlet of the injection pipe.
In another implementation manner of the present disclosure, the pipeline anti-blocking device further includes a container for accommodating the anti-blocking medium, and the container is communicated with the inlet of the anti-blocking connection pipe.
In another implementation manner of the present disclosure, the pipeline anti-blocking device further includes a second joint, an inlet of the second joint is communicated with the container, and an outlet of the second joint is communicated with an inlet of the anti-blocking connection pipe.
In another implementation of the disclosure, the second joint is screwed with the container and the anti-blocking adapter.
In another implementation manner of the present disclosure, the pipeline anti-blocking device further includes third joints, the third joints and the injection pipes are arranged in a one-to-one correspondence, and outlets of the injection pipes are respectively communicated with the respective third joints.
In yet another implementation of the present disclosure, the main valve and the control valve are both flanged gate valves.
The technical scheme provided by the embodiment of the disclosure has the following beneficial effects:
when the pipeline anti-blocking device provided by the embodiment is used in a pipeline in a natural gas purification device or other production devices, firstly, the injection pipe is connected with pipeline components needing anti-blocking, such as a front safety valve cut-off valve and an instrument pipeline cut-off valve in the corresponding natural gas purification device or other production devices through the front safety valve discharge valve and the instrument pipeline blow-off valve in the corresponding natural gas purification device or other production devices. Because the pipeline anti-blocking device comprises the anti-blocking connecting pipe, the main valve, the middle pipe, the injection pipe and the like, the inlet of the anti-blocking connecting pipe can be directly connected with the common joint of the desalted water and the steam in the production device. After the public joint is opened, anti-blocking media such as desalted water and steam can be introduced into the inlet of the anti-blocking connecting pipe, then the anti-blocking media are introduced into the injection pipe through the middle pipe, and finally the anti-blocking media are introduced into the corresponding pipeline through the injection pipe, so that the blocking of the blocking part in the pipeline can be eliminated or the anti-blocking operation can be carried out, and the blocking condition of the pipeline in a natural gas purifying device or other production devices can be avoided. If the pipeline anti-blocking device needs to be removed, the common joint for inputting and outputting the anti-blocking medium can be closed firstly, then the discharge valve is opened to empty the medium, and finally the anti-blocking connecting pipe and the injection pipe are removed, so that the pipeline flow of the original production device cannot be influenced. The pipeline anti-blocking device provided by the embodiment is simple in structure, convenient to use, capable of being connected with pipelines in various production devices, and high in applicability.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a pipeline anti-blocking device provided in an embodiment of the present disclosure.
The symbols in the drawings represent the following meanings:
1. anti-blocking connecting pipes; 2. a main valve;
3. an intermediate pipe; 31. a filling pipe; 32. a distribution pipe; 321. a header pipe; 322. a branch pipe;
4. a discharge valve; 5. an injection pipe; 6. a control valve; 7. a container;
101. a first joint; 102. a second joint; 103. and a third joint.
Detailed Description
To make the objects, technical solutions and advantages of the present disclosure more apparent, embodiments of the present disclosure will be described in detail with reference to the accompanying drawings.
The embodiment of the disclosure provides a pipeline anti-blocking device, as shown in fig. 1, the pipeline anti-blocking device comprises an anti-blocking connection pipe 1, a main valve 2, a middle pipe 3, a discharge valve 4 and a plurality of injection pipes 5, wherein the anti-blocking connection pipe 1 comprises an inlet for injecting an anti-blocking medium, an outlet of the anti-blocking connection pipe 1 is communicated with an inlet of the main valve 2, an outlet of the main valve 2 is communicated with an inlet of the middle pipe 3, an outlet of the middle pipe 3 is communicated with inlets of the injection pipes 5, and an inlet of the discharge valve 4 is communicated between an inlet and an outlet of the middle pipe 3.
When the pipeline anti-blocking device provided by the embodiment is connected with a pipeline in a natural gas purification device or other production devices, the injection pipe 5 is firstly connected with pipeline components needing anti-blocking, such as a safety valve front cut-off valve and an instrument pipeline in the corresponding natural gas purification device or other production devices through a safety valve front discharge valve and an instrument pipeline blowdown valve in the corresponding natural gas purification device or other production devices. Because the pipeline anti-blocking device comprises the anti-blocking connecting pipe 1, the main valve 2, the middle pipe 3, the injection pipe 5 and the like, the inlet of the anti-blocking connecting pipe 1 can be directly connected with a common joint of desalted water and steam in the device. After the public joint is opened, anti-blocking media such as desalted water and steam can be introduced into the inlet of the anti-blocking connecting pipe 1, then the anti-blocking media are introduced into the injection pipe 5 through the middle pipe 3, and finally the anti-blocking media are introduced into the corresponding pipeline through the injection pipe 5, so that the blocking part in the pipeline can be eliminated or anti-blocking operation can be carried out, and the pipeline blocking condition in a natural gas purifying device or other production devices can be avoided. If the pipeline anti-blocking device needs to be removed, the common joint for inputting and outputting the anti-blocking medium can be closed firstly, then the discharge valve 4 is opened to exhaust the medium, and finally the anti-blocking connecting pipe 1 and the injection pipe 5 are removed, so that the pipeline flow of the original device cannot be influenced. The pipeline anti-blocking device provided by the embodiment is simple in structure, convenient to use, capable of being connected with pipelines in various production devices, and high in applicability.
The discharge valve 4 may be a gate valve, for example.
In above-mentioned implementation, bleeder valve 4 is the gate valve, can directly pull control bleeder valve 4, alright discharge the anti-blocking medium among the anti-blocking device of pipeline, and is simple and convenient, improves operating efficiency.
Optionally, the pipeline anti-blocking device further comprises a container 7 for containing anti-blocking media, and the container 7 is communicated with the inlet of the anti-blocking connection pipe 1.
In the above implementation, by providing the container 7 in the pipeline anti-blocking device, the anti-blocking medium can be filled in the container 7 in advance, and then connected to the anti-blocking adapter 1 through the container 7 so as to introduce the anti-blocking medium into the anti-blocking adapter 1.
Alternatively, the anti-blocking media in the vessel 7 may be demineralized water, steam, or the like.
In the above implementation mode, the pipeline in the device can form crystals after long-term use, and the crystals are generally inorganic salts, scale and other substances, so that the pipeline can be effectively prevented from being blocked by the anti-blocking medium such as desalted water, steam and the like which is filled in the container in advance, and the operation efficiency is improved.
Optionally, the pipeline anti-blocking device further includes a plurality of control valves 6, the control valves 6 are in one-to-one correspondence with the injection pipes 5, an inlet of each control valve 6 is communicated with an outlet of the middle pipe 3, and an outlet of each control valve 6 is communicated with an inlet of the corresponding injection pipe 5.
In the above implementation manner, the control valve 6 is arranged to control the flow of the anti-blocking medium in the injection pipe 5, that is, the flow of the inlet of the injection pipe 5 can be effectively controlled by operating the control valve 6 to open and close, so as to control the flow of the pipeline component needing anti-blocking entering the natural gas purification device or other production devices, and reasonably eliminate the anti-blocking part or perform anti-blocking control.
Optionally, the middle pipe 3 includes a filling pipe 31 and a distribution pipe 32, an inlet of the filling pipe 31 is communicated with an outlet of the main valve 2, an outlet of the filling pipe 31 is communicated with an inlet of the distribution pipe 32, the distribution pipe 32 includes a plurality of outlets, the outlets of the distribution pipe 32 are arranged in one-to-one correspondence with the injection pipes 5, and each outlet of the distribution pipe 32 is communicated with an inlet of each injection pipe 5.
In the above implementation manner, the middle pipe 3 is set as the filling pipe 31 and the distribution pipe 32, so that the anti-blocking media in the anti-blocking connection pipe 1 can be input into the plurality of injection pipes 5, and then the anti-blocking of the plurality of injection ports in the pipeline in the natural gas purification device or other production devices is realized, which is flexible and convenient.
Alternatively, the distribution pipe 32 includes a main pipe 321 and a plurality of branch pipes 322, the branch pipes 322 are arranged in one-to-one correspondence with the injection pipes 5, an inlet of the main pipe 321 communicates with an outlet of the filling pipe 31, an outlet of the main pipe 321 communicates with an inlet of each branch pipe 322, and an outlet of each branch pipe 322 communicates with an inlet of the injection pipe 5 corresponding thereto.
In the above implementation manner, the distribution pipes 32 are provided as the main pipe 321 and the branch pipes 322, the filling pipe 31 can be effectively communicated with each branch pipe 322 through the main pipe 321, and then the anti-blocking medium is introduced into each branch pipe 322, and the branch pipes 322 can communicate the main pipe 321 with each injection pipe 5, so that the anti-blocking medium in each branch pipe 322 can smoothly flow into the injection pipe 5 corresponding thereto.
Optionally, the pipeline block-preventing device further comprises a first joint 101, the outlet of the filler pipe 31 is communicated with the inlet of the first joint 101, and the outlet of the first joint 101 is communicated with the inlet of the distribution pipe 32.
In the above implementation, by providing the first joint 101, on one hand, the filling pipe 31 can be smoothly communicated with the distribution pipe 32, and on the other hand, the detachable connection between the filling pipe 31 and the distribution pipe 32 can be realized through the first joint 101, so that the distribution pipe 32 can be replaced according to actual needs to meet the needs of a plurality of injection pipes 5.
Illustratively, the first joint 101 may be screwed or flanged to the fill pipe 31 and the distribution pipe 32.
In the above implementation manner, the above arrangement can ensure the detachable connection between the first joint 101 and the filling pipe 31 and the distribution pipe 32, and can ensure that the filling pipe 31 and the distribution pipe 32 can be communicated and firmly connected through the first joint 101.
Optionally, the pipeline anti-blocking device further comprises a second joint 102, an inlet of the second joint 102 is communicated with the container 7, and an outlet of the second joint 102 is communicated with an inlet of the anti-blocking connection pipe 1.
In the above implementation manner, the arrangement of the second joint 102 can communicate the anti-blocking connection pipe 1 with the container 7, so that the anti-blocking medium in the container 7 is introduced into the anti-blocking connection pipe 1, and meanwhile, through the arrangement of the second joint 102, the anti-blocking connection pipe 1 and the container 7 can be detached and connected, so that the anti-blocking connection pipe 1 can be switched on and off with the container 7 at any time.
Illustratively, the second connector 102 is screwed to the vessel 7 and the block-resistant connector 1.
In the above implementation manner, the above arrangement can ensure detachable connection between the second joint 102 and the container 7 and between the second joint and the anti-blocking adapter 1, and can ensure that the container 7 and the anti-blocking adapter 1 can be communicated and firmly connected through the second joint 102.
It is understood that the second connector 102 can be connected to the container 7 and the anti-plugging pipe 1 by flanges, as long as the detachable connection and the firm connection between the container 7 and the anti-plugging pipe 1 are ensured, which is not limited by the embodiment.
Optionally, the pipeline anti-blocking device further includes third joints 103, the third joints 103 and the injection pipes 5 are arranged in a one-to-one correspondence, and outlets of the injection pipes 5 are respectively communicated with the respective third joints 103.
In the above implementation, by providing the third joint 103, the outlet of each injection pipe 5 can be connected to the pipeline components that need to be blocked, such as the front shutoff valve of the safety valve and the instrument pipeline in the natural gas purification device or other production devices, respectively, that is, the third joint 103 can flexibly connect the outlet of the injection pipe 5 with the pipeline components that need to be blocked, so as to serve as the main inlet of the anti-blocking medium in the injection pipe 5, and thus, the method is simple and applicable.
Illustratively, the third connector 103 and the outlet of each injection pipe 5 may be connected together by a thread or a flange.
In the above-mentioned implementation, can realize through third joint 103 that the export of each injection pipe 5 and the pipeline that corresponds in prevent stifled position can dismantle to be connected and firm, can prevent the smooth introduction of stifled medium to the pipeline position that needs prevent stifled of correspondence simultaneously.
In this embodiment, the main valve 2 and the control valve 6 are both flanged gate valves.
In the above implementation mode, the main valve 2 is a gate valve with a flange, and can be directly connected and fixed with the anti-blocking connecting pipe 1 and the middle pipe 3 through the flange in the main valve 2, so that the assembly is simpler and more convenient. In addition, the control valve 6 is a gate valve with a flange, and can also be directly connected and fixed with the branch pipe 322 and the injection pipe 5 through the flange in the control valve 6, so that the structure of the pipeline anti-blocking device is simplified, the assembly efficiency is improved, and the cost is reduced.
The working mode of the pipeline anti-blocking device provided by the embodiment is briefly described as follows:
when the pipeline anti-blocking device provided by the embodiment is connected into the pipeline of the natural gas purification device, the injection pipe 5 is connected with pipeline components needing anti-blocking, such as a safety valve front discharge valve, an instrument pipeline blow-down valve and a safety valve front cut-off valve, an instrument pipeline and the like in the corresponding natural gas purification device or other production devices through the corresponding natural gas purification device or other production devices. Then the anti-blocking connecting pipe 1 is directly connected with a common joint of desalted water and steam in a corresponding production device, then an anti-blocking medium is introduced into the pipeline anti-blocking device through an inlet of the anti-blocking connecting pipe 1, then the anti-blocking medium is introduced into the injection pipe 5 through the middle pipe 3, and finally the anti-blocking medium is introduced into a corresponding pipeline through the injection pipe 5, so that the blocking of the blocked part in the pipeline can be eliminated or the anti-blocking operation can be carried out. If the pipeline anti-blocking device needs to be detached, the anti-blocking medium input and output valves only need to be closed, the discharge valve 4 is opened to empty the anti-blocking medium in the pipeline anti-blocking device, and the connecting part of the pipeline anti-blocking device and the corresponding pipeline is sequentially detached, so that the original process flow is not changed.
The above description is intended to be exemplary only and not to limit the present disclosure, and any modification, equivalent replacement, or improvement made without departing from the spirit and scope of the present disclosure is to be considered as the same as the present disclosure.
Claims (10)
1. The utility model provides a stifled device is prevented to pipeline, its characterized in that, stifled device is prevented including preventing stifled takeover (1), main valve (2), intermediate pipe (3), bleeder valve (4) and a plurality of injection pipe (5), prevent stifled takeover (1) including being used for pouring into the entry of preventing stifled medium, prevent stifled takeover (1) the export with the import intercommunication of main valve (2), the export of main valve (2) with the entry intercommunication of intermediate pipe (3), the export and each of intermediate pipe (3) the entry intercommunication of injection pipe (5), the entry intercommunication of bleeder valve (4) is in between the entry and the export of intermediate pipe (3).
2. The pipeline anti-blocking device according to claim 1, further comprising a plurality of control valves (6), wherein the control valves (6) correspond to the injection pipes (5) one by one, an inlet of each control valve (6) is communicated with an outlet of the middle pipe (3), and an outlet of each control valve (6) is communicated with an inlet of the corresponding injection pipe (5).
3. The pipeline anti-blocking device according to claim 1, characterized in that the middle pipe (3) comprises a filling pipe (31) and a distribution pipe (32), the inlet of the filling pipe (31) is communicated with the outlet of the main valve (2), the outlet of the filling pipe (31) is communicated with the inlet of the distribution pipe (32), the distribution pipe (32) comprises a plurality of outlets, the outlets of the distribution pipe (32) are arranged in one-to-one correspondence with the injection pipes (5), and each outlet of the distribution pipe (32) is communicated with the inlet of each injection pipe (5).
4. The line block prevention device according to claim 3, further comprising a first joint (101), wherein the outlet of the filler pipe (31) communicates with the inlet of the first joint (101), and wherein the outlet of the first joint (101) communicates with the inlet of the distribution pipe (32).
5. The pipeline blockage preventing device according to claim 3, wherein the distribution pipe (32) comprises a main pipe (321) and a plurality of branch pipes (322), the branch pipes (322) are arranged in one-to-one correspondence with the injection pipes (5), the inlet of the main pipe (321) is communicated with the outlet of the filling pipe (31), the outlet of the main pipe (321) is communicated with the inlet of each branch pipe (322), and the outlet of each branch pipe (322) is communicated with the inlet of the corresponding injection pipe (5).
6. The pipeline anti-blocking device according to claim 1, further comprising a container (7) for containing the anti-blocking medium, wherein the container (7) is communicated with the inlet of the anti-blocking connection pipe (1).
7. The pipeline anti-blocking device according to claim 6, further comprising a second joint (102), wherein an inlet of the second joint (102) is communicated with the container (7), and an outlet of the second joint (102) is communicated with an inlet of the anti-blocking connection pipe (1).
8. The pipeline anti-blocking device according to claim 7, wherein the second connector (102) is screwed with the container (7) and the anti-blocking adapter (1).
9. The pipeline anti-blocking device according to any one of claims 1 to 8, further comprising a third joint (103), wherein the third joint (103) and the injection pipes (5) are arranged in a one-to-one correspondence, and the outlets of the injection pipes (5) are respectively communicated with the corresponding third joints (103).
10. Pipeline anti-blocking device according to claim 2, characterized in that the main valve (2) and the control valve (6) are flanged gate valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020427029.9U CN212430468U (en) | 2020-03-27 | 2020-03-27 | Pipeline anti-blocking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020427029.9U CN212430468U (en) | 2020-03-27 | 2020-03-27 | Pipeline anti-blocking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212430468U true CN212430468U (en) | 2021-01-29 |
Family
ID=74291910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020427029.9U Active CN212430468U (en) | 2020-03-27 | 2020-03-27 | Pipeline anti-blocking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212430468U (en) |
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2020
- 2020-03-27 CN CN202020427029.9U patent/CN212430468U/en active Active
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