CN216039447U - Natural gas line dehumidification drainage attach fitting - Google Patents
Natural gas line dehumidification drainage attach fitting Download PDFInfo
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- CN216039447U CN216039447U CN202122643416.3U CN202122643416U CN216039447U CN 216039447 U CN216039447 U CN 216039447U CN 202122643416 U CN202122643416 U CN 202122643416U CN 216039447 U CN216039447 U CN 216039447U
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- Prior art keywords
- dehumidification
- pipeline
- natural gas
- box
- water storage
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 117
- 238000007791 dehumidification Methods 0.000 title claims abstract description 93
- 239000003345 natural gas Substances 0.000 title claims abstract description 59
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 75
- 238000003860 storage Methods 0.000 claims abstract description 39
- 239000007788 liquid Substances 0.000 claims abstract description 24
- 239000000463 material Substances 0.000 claims description 14
- 229910001220 stainless steel Inorganic materials 0.000 claims description 9
- 239000010935 stainless steel Substances 0.000 claims description 9
- 238000005260 corrosion Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000003566 sealing material Substances 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 description 15
- 238000000034 method Methods 0.000 description 14
- 230000008569 process Effects 0.000 description 11
- 239000007789 gas Substances 0.000 description 7
- 239000002274 desiccant Substances 0.000 description 6
- 238000007599 discharging Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical group [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 2
- 229910001628 calcium chloride Inorganic materials 0.000 description 2
- 239000001110 calcium chloride Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- NMJORVOYSJLJGU-UHFFFAOYSA-N methane clathrate Chemical compound C.C.C.C.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O NMJORVOYSJLJGU-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- -1 natural gas hydrates Chemical class 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
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- Drying Of Gases (AREA)
Abstract
A natural gas pipeline dehumidification drainage connector relates to the natural gas storage and transportation field, and comprises a main pipeline, a dehumidification groove, a dehumidification box and a water storage box, wherein the dehumidification groove is arranged at the bottom of the main pipeline, connecting flanges are arranged at two ends of the dehumidification groove, the dehumidification box is arranged at the bottom of the dehumidification groove, a net-shaped baffle is arranged at the top of the dehumidification box, a sealing material changing port is arranged on the side surface of the dehumidification box, the bottom of the dehumidification box is connected with the water storage box through the dehumidification pipeline, a valve is arranged on the dehumidification pipeline, a liquid level meter is arranged on the surface of the water storage box, a water outlet is arranged at the bottom of the water storage box, and a valve is arranged on the water outlet And the production efficiency is improved.
Description
Technical Field
The utility model relates to the field of natural gas storage and transportation, in particular to a natural gas pipeline dehumidification drainage connecting joint.
Background
The natural gas as clean fuel has important significance for adjusting the energy structure of China, and the consumption of the natural gas of China exceeds 1900 x 10 in 2015 year all the year8m3The proportion of the natural gas in the primary energy structure reaches 5.8 percent, and the proportion of the global natural gas in the primary energy structure is 24 percent, so that the natural gas demand potential in China is huge in the future. In this context, the safe operation of long-distance pipelines for natural gas is of great importance. The natural gas transported by the gas transmission pipeline can carry a certain amount of moisture in the gas due to the flow of the aspects of collection, and natural gas hydrate is easily generated in the gas transmission pipeline due to the influence of factors such as high flow speed, low temperature and high pressure, fluid stirring and the like. The gas pipeline not only can reduce the gas flow area and cause impact on the pipeline valve, but also can even block the valve to cause pipeline burst, and seriously threatens the operation safety of the gas pipeline.
In the process of cleaning the west section of a two-line pipeline for east gas transmission in 5 months in 2010, in the process of cleaning the pipeline from shanshan to a Hami section, first ball serving is carried out, the average speed of a pipe cleaner is 4.088 km/h, the accumulated pollution discharge is 5240L, solid impurities are 90KG, second ball serving is carried out, the average speed of the pipe cleaner is 4.36 km/h, the accumulated pollution discharge is 1800L, and 99% of sewage is liquid water through analysis.
At present, most of conventional natural gas dehumidification methods are lower pipe cleaners and dehumidification tanks, in the actual dehumidification process, the dehumidification tanks need to be arranged in intermediate stations, the intervals between the intermediate stations are far, natural gas hydrates are easy to generate in pipelines between the two stations to block the pipelines, when the pipe cleaners are used, the inner walls of the natural gas pipelines are generally excessively fouled or hydrate blockage is formed, and when the pipe cleaners are used, the cost of a matching device and the labor cost are high.
Disclosure of Invention
The utility model aims to overcome the defects and provides a natural gas pipeline dehumidification drainage connecting joint, the novel device has a simple structure, is convenient to disassemble and assemble, and has wide application scenes, the novel device is mounted on a natural gas pipeline when in use, the automatic dehumidification function can be achieved through the synergistic effect of the dehumidification groove, the dehumidification box and the water storage box, and in the use process, the dehumidification function can be achieved only by regularly replacing the desiccant of the dehumidification box and regularly discharging the water in the water storage box.
The embodiment of the utility model provides a natural gas pipeline dehumidification and drainage connecting joint which comprises a main pipeline, a dehumidification groove, a dehumidification box and a water storage tank, wherein the dehumidification groove is arranged at the bottom of the main pipeline, connecting flanges are arranged at two ends of the main pipeline, the dehumidification box is arranged at the bottom of the dehumidification groove, a net-shaped baffle is arranged at the top of the dehumidification box, a sealed material changing port is arranged on the side surface of the dehumidification box, the bottom of the dehumidification box is connected with the water storage tank through the dehumidification pipe, a valve is arranged on the dehumidification pipe, a liquid level meter is arranged on the surface of the water storage tank, a water outlet is arranged at the bottom of the water storage tank, and a valve is arranged on the water outlet.
The main part pipeline material has the anticorrosive coating for stainless steel, its pipe diameter, wall thickness adjust according to the natural gas line of actual connection.
The dehumidification case material is stainless steel, and the desiccant has been placed to its inside, and the desiccant is calcium chloride.
The mesh baffle is made of stainless steel and used for preventing a dehumidifying agent from entering a natural gas pipeline along with air flow.
The sealed material changing port is used for changing a dehumidifying agent.
The water storage tank is made of stainless steel, and the volume of the water storage tank is adjusted according to the actual transmission quantity of the natural gas pipeline.
The liquid level meter is used for recording the water storage amount in the water storage tank, and the real-time liquid level meter can be a liquid level meter with a remote signal transmission function.
The water outlet is used for discharging the water stored in the water storage tank.
The utility model discloses the theory of operation does: when the device is used, the connecting flanges at two ends of the practical novel device are hermetically connected with a natural gas pipeline, when natural gas is transported by a conventional pipeline, because the bottom of the main pipeline is provided with a dehumidifying groove, the natural gas in the pipeline is guided to one part of a dehumidifying tank by utilizing the flow guiding characteristic of the dehumidifying groove, moisture in the natural gas is absorbed by a dehumidifying agent in the dehumidifying tank and is discharged into a water storage tank through the dehumidifying pipeline, liquid level information is recorded in real time through a liquid level meter, when the liquid level reaches a preset value, a valve on the dehumidifying pipeline is closed, a water outlet is connected with a receiving container, the valve on the water outlet is opened, the residual pressurized natural gas in the water storage tank can press out water, namely, the water is drained, the valve on the water outlet is closed after the water is drained, the valve on the dehumidifying pipeline is opened, the dehumidifying operation is continued, and after the dehumidifying agent reaches the service life, the sealed material changing port is opened, and (5) replacing the dehumidifying agent.
The utility model discloses the device during operation plays supplementary dehumidification effect to slow down natural gas line dehumidification pressure, can not be as whole dehumidification means, still need be equipped with conventional dehumidification step during the use, but can reduce the frequency of conventional dehumidification step, with this reduction dehumidification cost.
The use method of the natural gas pipeline dehumidification drainage connecting joint comprises the following steps:
And 2, connecting flanges at two ends of the device with the natural gas pipeline in a sealing manner, and starting the natural gas pipeline for transportation.
And 3, in the natural gas pipe conveying process, because the bottom of the main pipeline is provided with the dehumidifying groove, the natural gas in the pipe conveying process is guided to one part of the dehumidifying box by utilizing the flow guiding characteristic of the dehumidifying groove.
And 4, absorbing moisture in the natural gas by using a desiccant in the dehumidification box, discharging the absorbed moisture into a water storage box through a dehumidification pipeline, and recording liquid level information in real time through a liquid level meter.
And 5, when the liquid level reaches a preset value, closing a valve on the dehumidification pipeline, connecting a water outlet with the receiving container, opening the valve on the water outlet, and pressing out the stored water by the residual pressurized natural gas in the water storage tank, namely a water drainage process.
And 6, after the water drainage is finished, closing the valve on the water outlet, and opening the valve on the dehumidification pipeline, namely, continuing the dehumidification operation.
And 7, after the dehumidifying agent reaches the service life, opening the sealed material changing port and changing the dehumidifying agent.
The dehumidifying and draining connection joint for the natural gas pipeline, provided by the embodiment of the utility model, has the beneficial effects that: the utility model discloses the device simple structure, the dismouting of being convenient for, the application scene is extensive, the utility model discloses install on natural gas line when the device uses, can reach automatic dehumidification function through the synergism of dehumidification recess, dehumidification case, holding tank, in the use, only need regularly change the dehumidification case drier, regularly with holding tank water internal discharge, can realize the dehumidification function, the device dehumidification of the utility model is easy operation, can carry out pipeline dehumidification operation with very low cost, follow-up maintenance cost is extremely low, has practiced thrift a large amount of manpowers, material resources, has improved production efficiency.
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 structural diagram of the utility model.
Fig. 2 is a schematic view of the utility model.
Reference numerals: 1. the device comprises a main pipeline 2, a dehumidification groove 3, a connecting flange 4, a dehumidification box 5, a net-shaped baffle 6, a sealed material changing port 7, a dehumidification pipeline 8, a valve 9, a water storage tank 10, a liquid level meter 11, a water outlet 12 and a natural gas pipeline.
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.
As shown in fig. 1-2, an embodiment of the utility model provides a natural gas pipeline dehumidification drainage connection joint, which includes a main pipeline 1, a dehumidification groove 2, a dehumidification box 4 and a water storage tank 9, wherein the dehumidification groove 2 is arranged at the bottom of the main pipeline 1, connection flanges 3 are arranged at two ends of the main pipeline 1, the dehumidification box 4 is arranged at the bottom of the dehumidification groove 2, a mesh baffle 5 is arranged at the top of the dehumidification box 4, a sealed material changing port 6 is arranged on the side surface of the dehumidification box 4, the bottom of the dehumidification box 4 is connected with the water storage tank 9 through a dehumidification pipeline 7, a valve 8 is arranged on the dehumidification pipeline 7, a liquid level meter 10 is arranged on the surface of the water storage tank 9, a water outlet 11 is arranged at the bottom of the water storage tank 9, and the valve 8 is arranged on the water outlet 11.
The main body pipeline 1 is made of stainless steel, an anticorrosive layer is arranged in the main body pipeline, and the pipe diameter and the wall thickness of the main body pipeline are adjusted according to the actually connected natural gas pipeline 12.
The 4 materials of dehumidification case are the stainless steel, and desiccant has been placed to its inside, and desiccant is calcium chloride.
The mesh baffle 5 is made of stainless steel and is used for preventing a dehumidifying agent from entering the natural gas pipeline 12 along with air flow.
The sealed material replacing port 6 is used for replacing the dehumidifying agent.
The water storage tank 9 is made of stainless steel, and the volume of the water storage tank is adjusted according to the actual transmission quantity of the natural gas pipeline.
The liquid level meter 10 is used for recording the water storage quantity in the water storage tank 9, and the real-time liquid level meter 10 can be a liquid level meter 10 with a remote signal transmission function.
The drain port 11 is used for draining the water stored in the water storage tank 9.
The utility model discloses the theory of operation does: when the device is used, the connecting flanges 3 at two ends of the utility model are hermetically connected with the natural gas pipeline 12, when natural gas is transported by a conventional pipeline, as the dehumidifying groove 2 is arranged at the bottom of the main pipeline 1, the natural gas in the pipeline is guided to one part of the dehumidifying tank 4 by utilizing the flow guiding characteristic of the dehumidifying groove 2, the dehumidifying agent in the dehumidifying tank 4 absorbs moisture in the natural gas, and the absorbed moisture is discharged into the water storage tank 9 through the dehumidifying pipeline 7, liquid level information is recorded in real time through the liquid level meter 10, when the liquid level reaches a preset value, the valve 8 on the dehumidifying pipeline 7 is closed, the water outlet 11 is connected with the receiving container, the valve 8 on the water outlet 11 is opened, the residual pressurized natural gas in the water storage tank 9 can press out stored water, namely, the water discharging process is carried out, the valve 8 on the water outlet 11 is closed after the water discharging is finished, the valve 8 on the dehumidifying pipeline 7 is opened, namely the dehumidifying operation is continued, and when the dehumidifying agent reaches the service life, the sealed material changing port 6 is opened, and the dehumidifying agent is changed.
The utility model discloses the device during operation plays supplementary dehumidification effect to slow down natural gas line dehumidification pressure, can not be as whole dehumidification means, still need be equipped with conventional dehumidification step during the use, but can reduce the frequency of conventional dehumidification step, with this reduction dehumidification cost.
The use method of the natural gas pipeline dehumidification drainage connecting joint comprises the following steps:
And 2, connecting flanges 3 at two ends of the device of the utility model with a natural gas pipeline 12 in a sealing manner, and starting natural gas pipeline transportation.
And 3, in the natural gas pipe conveying process, because the dehumidification groove 2 is arranged at the bottom of the main pipeline 1, the natural gas in the pipe conveying process is guided to a part of the dehumidification box 4 by utilizing the flow guiding characteristic of the dehumidification groove 2.
And 4, absorbing moisture in the natural gas by using a dehumidifying agent in the dehumidifying box 4, discharging the absorbed moisture into a water storage box 9 through a dehumidifying pipeline 7, and recording liquid level information in real time through a liquid level meter 10.
And 5, when the liquid level reaches a preset value, closing the valve 8 on the dehumidification pipeline 7, connecting the water outlet 11 with the receiving container, opening the valve 8 on the water outlet 11, and pressing out the stored water by the residual pressurized natural gas in the water storage tank 9, namely the drainage process.
And 6, after the water drainage is finished, closing the valve 8 on the water outlet 11, and opening the valve 8 on the dehumidification pipeline 7, namely, continuing the dehumidification operation.
And 7, after the dehumidifying agent reaches the service life, opening the sealed material changing port 6 and changing the dehumidifying agent.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (2)
1. A natural gas pipeline dehumidification drainage connecting joint is characterized by comprising a main pipeline (1), a dehumidification groove (2), a dehumidification box (4) and a water storage box (9), a dehumidification groove (2) is arranged at the bottom of the main pipeline (1), connecting flanges (3) are arranged at two ends of the main pipeline (1), a dehumidification box (4) is arranged at the bottom of the dehumidification groove (2), a reticular baffle (5) is arranged at the top of the dehumidification box (4), a sealed material changing port (6) is arranged on the side surface of the dehumidifying box (4), the bottom of the dehumidifying box (4) is connected with a water storage tank (9) through a dehumidifying pipeline (7), a valve (8) is arranged on the dehumidification pipeline (7), a liquid level meter (10) is arranged on the surface of the water storage tank (9), a water outlet (11) is arranged at the bottom of the water storage tank (9), and a valve (8) is arranged on the water outlet (11).
2. A natural gas pipeline dehumidification drainage connection joint as claimed in claim 1, wherein the main pipeline (1) is made of stainless steel, and an anti-corrosion layer is arranged inside the main pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122643416.3U CN216039447U (en) | 2021-11-01 | 2021-11-01 | Natural gas line dehumidification drainage attach fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122643416.3U CN216039447U (en) | 2021-11-01 | 2021-11-01 | Natural gas line dehumidification drainage attach fitting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216039447U true CN216039447U (en) | 2022-03-15 |
Family
ID=80612843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122643416.3U Expired - Fee Related CN216039447U (en) | 2021-11-01 | 2021-11-01 | Natural gas line dehumidification drainage attach fitting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216039447U (en) |
-
2021
- 2021-11-01 CN CN202122643416.3U patent/CN216039447U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220315 |