CN219639777U - Natural gas emptying device - Google Patents
Natural gas emptying device Download PDFInfo
- Publication number
- CN219639777U CN219639777U CN202320930407.9U CN202320930407U CN219639777U CN 219639777 U CN219639777 U CN 219639777U CN 202320930407 U CN202320930407 U CN 202320930407U CN 219639777 U CN219639777 U CN 219639777U
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- CN
- China
- Prior art keywords
- pipeline
- emptying
- natural gas
- blow
- filter screen
- 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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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 80
- 239000003345 natural gas Substances 0.000 title claims abstract description 40
- 239000007788 liquid Substances 0.000 claims abstract description 52
- 238000000926 separation method Methods 0.000 claims abstract description 13
- 239000007787 solid Substances 0.000 claims description 46
- 238000013022 venting Methods 0.000 claims description 10
- 239000002699 waste material Substances 0.000 claims description 8
- 239000010808 liquid waste Substances 0.000 claims description 2
- 239000002910 solid waste Substances 0.000 claims description 2
- 239000010865 sewage Substances 0.000 abstract description 51
- 239000012535 impurity Substances 0.000 abstract description 30
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 230000000149 penetrating effect Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract description 2
- 238000005260 corrosion Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 8
- 208000028659 discharge Diseases 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- 230000005484 gravity Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000008093 supporting effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Landscapes
- Sewage (AREA)
Abstract
The utility model relates to the field of natural gas transmission and distribution, in particular to a natural gas emptying device, which comprises a vertically arranged emptying pipeline, wherein the bottom end of the emptying pipeline is closed, the side wall of the emptying pipeline is communicated with an air inlet pipeline, a sewage collecting structure is arranged below the communicated position of the emptying pipeline, and the sewage collecting structure comprises a solid-liquid separation device arranged in the emptying pipeline and a sewage draining outlet penetrating through the emptying pipeline; through setting up the middle part at the blow-down pipeline with the admission line to set up dirty structure of collection in blow-down pipeline bottom and collect impurity, make the impurity in the blow-down pipeline easily clear up from dirty structure of collection, avoid blow-down passageway to take place to block up, reduced blow-down pipeline corrosion, guarantee that the blow-down pipeline is unblocked, improved production efficiency.
Description
Technical Field
The utility model relates to the field of natural gas transmission and distribution, in particular to a natural gas emptying device.
Background
The natural gas venting system is an important safety facility of the natural gas transmission and distribution system. In a natural gas transmission and distribution system, the emptying mode is divided into two modes of overhauling emptying and emergency emptying; the overhaul and the emptying are mainly carried out during the maintenance of the pipeline or equipment (such as the replacement of a pressure regulator, the replacement of a flowmeter, a valve and the like), and natural gas in the pipeline is discharged through the emptying pipeline, so that the explosion risk during construction operation is avoided; the emergency emptying is mainly carried out when the accident of the gas transmission system occurs and the emergency cutoff valve is used for cutting off the upstream and downstream during the emptying so as to reduce the leakage amount of the natural gas and the danger of the accident.
However, when the emptying operation is carried out, the flow of natural gas can bring sewage and residues in the gas pipeline out into the emptying pipe network, and the interior of the pipeline is difficult to clean because the height of the emptying pipe is too high, and the sewage and residues accumulated for a long time can cause the blockage and corrosion of the emptying pipe network.
Therefore, a technical scheme is needed at present to solve the technical problem that sewage and residues in the emptying pipe network are difficult to clean.
Disclosure of Invention
The utility model aims at: aiming at the technical problem that sewage and residues in an emptying pipe network are difficult to clean, the natural gas emptying device is provided.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a natural gas emptying devices, includes the blow off pipeline of vertical setting, the bottom of blow off pipeline is sealed, the lateral wall intercommunication admission line of blow off pipeline, the blow off pipeline is in set up dirty structure below the position of intercommunication, dirty structure of collection including set up in solid-liquid separation in the blow off pipeline with run through the drain of blow off pipeline.
According to the natural gas emptying device, the emptying pipeline is vertically arranged, the top end of the emptying pipeline is used as an emptying port, and the bottom end of the emptying pipeline is sealed and used for arranging the sewage collecting structure; the side wall of the emptying pipeline is communicated with the air inlet pipeline, and the emptying pipeline is provided with a sewage collecting structure below the communicated position, so that gas can be discharged through an emptying port at the top of the emptying pipeline, and solids, liquid and the like can be settled to the sewage collecting structure at the bottom of the emptying pipeline, thereby realizing impurity separation of the emptying gas; the sewage collecting device consists of a solid-liquid separation device arranged in the emptying pipeline and a sewage outlet penetrating through the emptying pipeline, and is used for carrying out classified discharge treatment on impurities; the impurity is settled through the gravity effect, and the impurity in the emptying pipeline is cleaned in time through the sewage outlet, so that the impurity is prevented from piling up in the emptying pipeline.
As a preferable scheme of the utility model, the solid-liquid separation device comprises a filter screen, the filter screen is matched with the inner wall of the emptying pipeline, and the filter screen divides the emptying pipeline into a solid collecting chamber and a liquid collecting chamber. The emptying pipeline is divided into a solid collecting chamber and a liquid collecting chamber through a filter screen matched with the emptying pipeline, liquid passes through the filter screen to be contained in the liquid collecting chamber under the action of gravity, and solids are reserved in the solid collecting chamber above the filter screen.
As a preferred embodiment of the present utility model, the drain includes a solid drain communicated with the solid collection chamber and a liquid drain communicated with the liquid collection chamber. A solid sewage outlet is arranged and communicated with the solid collecting chamber, and solid impurities in the solid collecting chamber are discharged through the solid sewage outlet; the liquid drain outlet is communicated with the liquid collecting chamber, and sewage and waste liquid in the liquid collecting chamber are discharged through the liquid drain outlet.
As the preferable scheme of the utility model, the solid drain outlet is detachably connected with the blind plate, and the liquid drain outlet is provided with a drain valve. The blind plate is covered to seal the solid sewage outlet, and normally, a sealing piece with a rubber structure is arranged at the joint of the sewage outlet and the blind plate to avoid natural gas leakage; and a blow-down valve is arranged to control the discharge of waste liquid.
As a preferable scheme of the utility model, the filter screen is obliquely arranged or horizontally arranged. The filter screen is obliquely arranged, so that solid impurities are collected at the lowest part of the filter screen, and the filter screen is more convenient for an operator to clean; the filter screen level sets up can make the space of liquid collection room bigger, can collect more waste liquids, and can avoid solid impurity to soak in the waste liquid.
As a preferable scheme of the utility model, the solid sewage outlet and the liquid sewage outlet are oppositely arranged at two sides of the pipe wall of the emptying pipe. When the filter screen is obliquely arranged, the solid sewage outlet and the liquid sewage outlet can be arranged on the same horizontal plane and are respectively and oppositely arranged on two sides of the pipe wall of the emptying pipe.
As a preferable scheme of the utility model, the filter screen is detachably connected with the emptying pipeline. The filter screen can be replaced more conveniently when the filter screen is damaged or has poor filtering effect.
As a preferred aspect of the present utility model, the air intake duct includes a horizontal section and an inclined section, the inclined section communicating with the air discharge duct, the inclined section forming an angle with the horizontal section of more than 90 degrees and less than 180 degrees counterclockwise. The inclined section enables the air flow to be obliquely discharged into the emptying pipeline, so that the scouring direction of the air flow is offset towards the top of the emptying pipeline, the dirt collecting structure arranged at the bottom of the emptying pipeline can be reduced, and the splashing of impurities of the dirt collecting structure is avoided.
As a preferable scheme of the utility model, the emptying pipeline is provided with a base, and the base is fixedly connected with the bottom of the emptying pipeline. Preferably, the base is in welded connection with the emptying pipeline, the contact area between the emptying pipeline and the ground is enlarged by the base, and better supporting effect is provided for the emptying pipeline.
As a preferable scheme of the utility model, the emptying pipeline is further provided with a plurality of fixed ropes in a tensioning state, one ends of the fixed ropes are connected with the ground, and the other ends of the fixed ropes are detachably connected with the emptying pipeline. Through setting up fixed rope, many fixed ropes are the tensioning state, under the combined action of fixed rope, make the pipeline that empties keep vertical state, avoid the pipeline that empties to empty.
In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:
1. according to the natural gas emptying device, the emptying pipeline is vertically arranged, the top end of the emptying pipeline is used as an emptying port, and the bottom end of the emptying pipeline is sealed and used for arranging the sewage collecting structure; the side wall of the emptying pipeline is communicated with the air inlet pipeline, and the emptying pipeline is provided with a sewage collecting structure below the communicated position, so that gas can be discharged through an emptying port at the top of the emptying pipeline, and solids, liquid and the like can be settled to the sewage collecting structure at the bottom of the emptying pipeline, thereby realizing impurity separation of the emptying gas; the sewage collecting device consists of a solid-liquid separation device arranged in the emptying pipeline and a sewage outlet penetrating through the emptying pipeline, and is used for carrying out classified discharge treatment on impurities; the impurity is settled through the gravity effect, and the impurity in the emptying pipeline is cleaned in time through the sewage outlet, so that the impurity is prevented from piling up in the emptying pipeline.
2. The natural gas emptying device is simple in structure and easy to manufacture, the air inlet pipeline is arranged in the middle of the emptying pipeline, and the dirt collecting structure is arranged at the bottom of the emptying pipeline to collect impurities, so that impurities in the emptying pipeline are easy to clean, the natural gas emptying channel is prevented from being blocked, rust of the emptying pipeline is reduced, the emptying pipeline is ensured to be smooth, the production efficiency is improved, and the natural gas emptying device has good economic value and practical value.
Drawings
FIG. 1 is a schematic view of a natural gas vent apparatus of embodiment 1;
FIG. 2 is a schematic view of the natural gas vent apparatus of embodiment 2;
fig. 3 is a schematic structural view of a natural gas vent apparatus of embodiment 3.
Icon:
1-emptying pipeline, 2-fixed rope, 3-horizontal section, 4-blind plate, 5-filter screen, 6-blowoff valve, 7-liquid drain, 8-solid drain, 9-inclined section.
Detailed Description
The present utility model will be described in detail with reference to the accompanying drawings.
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Example 1
The utility model provides a natural gas emptying device as shown in fig. 1, includes the blow off pipeline 1 of vertical setting, the bottom of blow off pipeline 1 is sealed, the lateral wall intercommunication admission line of blow off pipeline 1, blow off pipeline 1 is in set up dirty structure below the position of intercommunication, dirty structure of collection including set up in solid-liquid separation device in the blow off pipeline 1 and run through the drain of blow off pipeline 1.
Specifically, the solid-liquid separation device is a filter screen 5 embedded in the emptying pipeline 1, and the filter screen 5 is made of stainless steel with high durability so as to adapt to the emptying environment of natural gas, and has the function of separating solids and liquid; the shape and the size of the filter screen 5 are matched with the emptying pipeline 1, the filter screen 5 isolates the emptying pipeline 1 into a solid collecting chamber and a liquid collecting chamber, the filter screen 5 is used as a dividing line, a space above the filter screen 5 is the solid collecting chamber, and a space below the filter screen 5 is the liquid collecting chamber; the filter screen 5 is obliquely arranged, the edge of one side of the filter screen 5 is connected with the bottom end of the emptying pipeline 1, and the rest edges are connected with the inner wall of the emptying pipeline 1; the filter screen 5 that the slope set up makes solid impurity gather more easily in the lowest department of filter screen 5 face, and the operating personnel of being convenient for clear up.
Specifically, the filter screen 5 is detachably connected with the emptying pipeline 1, a groove for embedding the filter screen 5 is formed in the inner wall of the emptying pipeline 1, and the filter screen 5 can be just embedded into the groove; the position that filter screen 5 and blowdown pipeline 1 contacted still is provided with the sealing member, and the sealing member can avoid solid impurity to fall into the liquid collection room from the gap of junction, and the sealing member is rubber structure.
Specifically, the sewage outlet comprises a solid sewage outlet 8 and a liquid sewage outlet 7, wherein the solid sewage outlet 8 is communicated with a solid collecting chamber, the liquid sewage outlet 7 is communicated with the liquid collecting chamber, the lowest point of the solid sewage outlet 8 and the liquid sewage outlet 7 are positioned on the same level, one side of the pipe wall of the emptying pipe 1 is provided with the solid sewage outlet 8, and the other side of the pipe wall opposite to the solid sewage outlet 8 is provided with the liquid sewage outlet 7; the solid sewage outlet 8 and the liquid sewage outlet 7 which are oppositely arranged are more reasonable in layout, and the personnel operation is more convenient.
Specifically, the blind plate 4 is arranged on the solid sewage outlet 8, the blind plate 4 is detachably connected with the solid sewage outlet 8, the solid sewage outlet 8 is easy to detach, and a sealing gasket is arranged between the solid sewage outlet 8 and the blind plate 4, so that natural gas leakage from the solid sewage outlet 8 is avoided; when the solid impurities need to be cleaned, the blind plate 4 is opened to clean the solid impurities; the drain valve 6 is arranged on the liquid drain outlet 7, the waste liquid can be discharged by opening the drain valve 6, and the drain valve 6 is connected with an extension pipe, so that the waste liquid flows into the collecting barrel, and the pollution of the waste liquid to the environment is avoided.
Specifically, the air inlet pipeline consists of a horizontal section 3 and an inclined section 9, one end of the inclined section 9 is communicated with the emptying pipeline 1, the other end of the inclined section 9 is communicated with the horizontal section 3, the included angle between the inclined section 9 and the horizontal section 3 in the anticlockwise direction is more than 90 degrees and less than 180 degrees, so that the air flow discharged by the inclined section 9 is inclined upwards, and preferably, the included angle between the inclined section 9 and the horizontal section 3 in the anticlockwise direction is 135 degrees; because the position of the vent is located at the top of the vent pipeline 1 which is vertically arranged, the inclined pipeline enables air flow to flow towards the position of the vent, and the air flow is discharged through the vent, so that the impurity splashing caused by directly flushing the filter screen 5 at the bottom by the air flow is avoided.
Specifically, the bottom of the emptying pipeline 1 is provided with a base with a round table, the top surface of the base is matched with the bottom of the emptying pipeline 1, the base and the emptying pipeline 1 are firmly welded, the bottom area of the base is far larger than the top area of the base, the contact area between the base and the ground is increased, and the emptying pipeline 1 is not easy to fall down.
Specifically, the upper end of the emptying pipeline 1 is provided with a plurality of fixed ropes 2 which are detachably connected, the fixed ropes 2 are kept in a tensioning state, one ends of the fixed ropes 2 are connected with the ground, the fixed ropes 2, the ground and the emptying pipeline 1 form a stable triangular structure, and the plurality of fixed ropes 2 are simultaneously connected with the emptying pipeline 1, so that the emptying pipeline 1 is difficult to topple.
According to the natural gas emptying device, the emptying pipeline 1 is vertically arranged, the top end of the emptying pipeline 1 serves as an emptying port, and the bottom end of the emptying pipeline 1 is sealed and used for arranging a sewage collecting structure; the side wall of the emptying pipeline 1 is communicated with an air inlet pipeline, a sewage collecting structure is arranged below the communicated position of the emptying pipeline 1, so that gas can be discharged through an emptying port at the top of the emptying pipeline 1, solids, liquid and the like can settle to the sewage collecting structure at the bottom of the emptying pipeline 1, and impurity separation of the emptying gas is realized; the sewage collecting device consists of a solid-liquid separation device arranged in the emptying pipeline 1 and a sewage outlet penetrating through the emptying pipeline 1, and is used for carrying out classified discharge treatment on impurities; the impurities are settled under the action of gravity, and impurities in the emptying pipeline 1 are cleaned in time through the sewage outlet, so that the impurities are prevented from accumulating in the emptying pipeline 1.
Example 2
A natural gas vent apparatus as shown in fig. 2 has substantially the same structure as that of embodiment 1, except that the filter screen 5 is horizontally disposed as in embodiment 1.
Specifically, the solid waste 8 and the liquid waste 7 are located at different levels.
According to the natural gas emptying device, the filter screen 5 is horizontally arranged, so that liquid impurities and solid impurities can be prevented from contacting.
Example 3
A natural gas vent apparatus as shown in fig. 3 has a structure substantially the same as that of embodiment 2, except that the filter screen 5 is disposed obliquely and the filter screen 5 is connected only to the wall of the vent pipe 1.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. The utility model provides a natural gas emptying devices, its characterized in that, including the blow off pipeline (1) of vertical setting, the bottom of blow off pipeline (1) is sealed, the lateral wall intercommunication admission line of blow off pipeline (1), blow off pipeline (1) are in set up dirty structure below the position of intercommunication, dirty structure of collection including set up in solid-liquid separation device in blow off pipeline (1) and run through the drain of blow off pipeline (1).
2. A natural gas emptying device as claimed in claim 1, characterized in that the solid-liquid separation device comprises a filter screen (5), the filter screen (5) being adapted to the inner wall of the emptying pipe (1), the filter screen (5) dividing the emptying pipe (1) into a solid collecting chamber and a liquid collecting chamber.
3. A natural gas venting device as claimed in claim 2, characterized in that the drain comprises a solids drain (8) and a liquid drain (7), the solids drain (8) being in communication with the solids collection chamber, the liquid drain (7) being in communication with the liquid collection chamber.
4. A natural gas emptying device as claimed in claim 3, characterized in that the solid waste outlet (8) is detachably connected to the blind plate (4), and that the liquid waste outlet (7) is provided with a waste valve (6).
5. A natural gas venting device according to claim 3, characterized in that the filter screen (5) is arranged obliquely or that the filter screen (5) is arranged horizontally.
6. A natural gas emptying device as claimed in claim 3, characterized in that the solids discharge outlet (8) is arranged opposite the liquid discharge outlet (7) on both sides of the wall of the emptying pipe (1).
7. A natural gas venting device according to claim 2, characterized in that the filter screen (5) is detachably connected to the venting pipe (1).
8. A natural gas venting device according to claim 1, characterized in that the inlet conduit comprises a horizontal section (3) and an inclined section (9), the inclined section (9) being in communication with the venting conduit (1), the inclined section (9) forming an angle with the horizontal section (3) of more than 90 degrees and less than 180 degrees counter-clockwise.
9. A natural gas venting device according to claim 1, characterized in that the venting pipe (1) is provided with a base which is fixedly connected to the bottom of the venting pipe (1).
10. A natural gas emptying device as claimed in claim 1, characterized in that the emptying pipe (1) is further provided with a number of tightening-state fixing ropes (2), one end of the fixing ropes (2) being connected to the ground and the other end being detachably connected to the emptying pipe (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320930407.9U CN219639777U (en) | 2023-04-23 | 2023-04-23 | Natural gas emptying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320930407.9U CN219639777U (en) | 2023-04-23 | 2023-04-23 | Natural gas emptying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219639777U true CN219639777U (en) | 2023-09-05 |
Family
ID=87812987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320930407.9U Active CN219639777U (en) | 2023-04-23 | 2023-04-23 | Natural gas emptying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219639777U (en) |
-
2023
- 2023-04-23 CN CN202320930407.9U patent/CN219639777U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |