CN214735590U - Energy-saving natural gas purification system - Google Patents
Energy-saving natural gas purification system Download PDFInfo
- Publication number
- CN214735590U CN214735590U CN202120475540.0U CN202120475540U CN214735590U CN 214735590 U CN214735590 U CN 214735590U CN 202120475540 U CN202120475540 U CN 202120475540U CN 214735590 U CN214735590 U CN 214735590U
- Authority
- CN
- China
- Prior art keywords
- gas
- liquid
- natural gas
- separation unit
- liquid separation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses an energy-saving natural gas purification system, which comprises an air inlet pipeline, a gas-liquid separation unit and a purification unit, wherein the air inlet pipeline is connected with the gas-liquid separation unit, the gas-liquid separation unit is connected with the purification unit, and the purification unit and the gas-liquid separation unit are respectively provided with a discharge pipeline; the gas-liquid separation unit is internally provided with a plurality of gas-liquid separators which are arranged in parallel; the gas-liquid separation unit comprises a first gas-liquid separator, a second gas-liquid separator and a third gas-liquid separator; this device can get rid of materials such as hydrogen sulfide, carbon dioxide, water in the natural gas pipeline, has guaranteed the stability of pipeline to, can also carry out the multi-line simultaneous separation to the natural gas through the gas-liquid separator of a plurality of parallelly connected settings, promoted holistic treatment effeciency, open the vapour and liquid separator of corresponding number according to actual air input demand, reduce the waste of holistic system energy.
Description
Technical Field
The utility model belongs to the technical field of the natural gas processing technique and specifically relates to an energy-saving natural gas purification system.
Background
The natural gas is a well-known high-quality energy source and has the advantages of cleanness, environmental protection, high heat value, full combustion and the like. Meanwhile, natural gas is a precious chemical raw material and can be used as a production raw material of various chemical products;
however, natural gas contains substances such as hydrogen sulfide, carbon dioxide and water, and when the natural gas is conveyed, if the natural gas is not purified, corrosion may be caused to pipelines, and high corrosion prevention cost is generated.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at: aiming at the problems, the energy-saving natural gas purification system is provided, and the problems that a pipeline pipe is possibly corroded during natural gas pipeline transportation in the prior art and the pipeline in the prior art cannot meet the requirement of large consumption in a peak period are solved.
The utility model discloses a realize through following scheme:
an energy-saving natural gas purification system comprises an air inlet pipeline, a gas-liquid separation unit and a purification unit, wherein the air inlet pipeline is connected with the gas-liquid separation unit, the gas-liquid separation unit is connected with the purification unit, and the purification unit and the gas-liquid separation unit are respectively provided with a discharge pipeline; the gas-liquid separation unit is internally provided with a plurality of gas-liquid separators which are arranged in parallel.
Based on the energy-saving natural gas purification system, the gas-liquid separation unit comprises a first gas-liquid separator, a second gas-liquid separator and a third gas-liquid separator; the air inlet pipeline is connected with the first gas-liquid separator, the second gas-liquid separator and the third gas-liquid separator after being divided.
Based on above-mentioned energy-saving natural gas purification system, be provided with the main switch valve on the intake pipe, be provided with vice ooff valve on each pipeline after the reposition of redundant personnel respectively.
Based on the energy-saving natural gas purification system, the main switch valve and the auxiliary switch valve are electromagnetic valves or manual valves.
Based on the energy-saving natural gas purification system, the gas-liquid separator is a separation tower; the separation column includes a gas outlet end and a liquid outlet end, the gas outlet end is located at the top of the separation column, and the liquid outlet end is located at the bottom of the separation column.
Based on the energy-saving natural gas purification system, the purification unit is one or more of a coalescing filter, a heavy hydrocarbon removal device, a particle filter and a membrane separator.
Based on the energy-saving natural gas purification system, the purification unit comprises a coalescing filter, a heavy hydrocarbon removal device, a particle filter and a membrane separator; the coalescence filter is connected with the gas-liquid separation unit and the heavy hydrocarbon removal device; the heavy hydrocarbon removal device is connected with a particle filter, and the particle filter is connected with a membrane separator.
Based on the energy-saving natural gas purification system, the membrane separator is provided with a first outlet end and a second outlet end; after being intercepted by the membrane separator, the purified natural gas flows out through the second outlet, and the acidic gases such as carbon dioxide, hydrogen sulfide and the like and the water vapor flow out from the first outlet end.
Based on the energy-saving natural gas purification system, a pressure reducing valve and a pressure detector are arranged on a pipeline between the coalescence filter and the gas-liquid separation unit.
Preferably, the anti-slip strip is made of medical silica gel.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. this device can get rid of materials such as hydrogen sulfide, carbon dioxide, water in the natural gas pipeline, has guaranteed the stability of pipeline to, can also carry out the multi-line simultaneous separation to the natural gas through the gas-liquid separator of a plurality of parallelly connected settings, promoted holistic treatment effeciency, open the vapour and liquid separator of corresponding number according to actual air input demand, reduce the waste of holistic system energy.
2. When the peak period occurs, the gas-liquid separators are synchronously and dynamically started for processing, so that the overall efficiency is improved, and the overall processing time is dynamically adjustable.
When the gas supply peak is in the gas supply low-peak period, the number of the corresponding gas-liquid separators can be closed, the overall energy consumption is reduced, and the energy is saved.
Drawings
FIG. 1 is a schematic structural diagram of the overall system of the present invention;
description of the drawings: 1. an air intake line; 2. a gas-liquid separation unit; 3. a purification unit; 4. a discharge line; 21. a first gas-liquid separator; 22. a second gas-liquid separator; 23. a third gas-liquid separator; 24. a main switch valve; 25. a secondary on-off valve; 26. a pressure reducing valve; 27. a pressure detector; 31. a coalescing filter; 32. A heavy hydrocarbon removal unit; 33. a particulate filter; 34. a membrane separator; 301. a first outlet end; 302. A second outlet end.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
Any feature disclosed in this specification (including any accompanying claims, abstract) may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the designated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature.
Example 1
As shown in fig. 1, an energy-saving natural gas purification system comprises an air inlet pipeline 1, a gas-liquid separation unit 2 and a purification unit 3, wherein the air inlet pipeline is connected with the gas-liquid separation unit 2, the gas-liquid separation unit 2 is connected with the purification unit 3, and the purification unit 3 and the gas-liquid separation unit 2 are respectively provided with a discharge pipeline; the gas-liquid separation unit 2 is provided with a plurality of gas-liquid separators, and the plurality of gas-liquid separators are arranged in parallel.
Based on above-mentioned structure, substances such as hydrogen sulfide, carbon dioxide, water in the natural gas pipeline can be got rid of to this device, have guaranteed the stability of pipeline to, can also carry out the multi-circuit simultaneous separation to the natural gas through the gas-liquid separator of a plurality of parallelly connected settings, promoted holistic treatment effeciency, open the vapour and liquid separator of corresponding number according to actual air input demand, reduce the waste of holistic system energy.
Because vapour and liquid separator is consuming time than long in entire system, if adopt the unable regulation of the holistic processing time of single vapour and liquid separator, lead to when the peak appears in the air feed demand, prior art can't satisfy the demand, this scheme sets up vapour and liquid separator to a plurality ofly, when the peak period appears, opens a plurality of vapour and liquid separators in step developments and handles, promotes holistic efficiency, guarantees that holistic processing time developments are adjustable.
When the gas supply peak is in the gas supply low-peak period, the number of the corresponding gas-liquid separators can be closed, the overall energy consumption is reduced, and the energy is saved.
In the present embodiment, the gas-liquid separation unit 2 includes a first gas-liquid separator 21, a second gas-liquid separator 22, and a third gas-liquid separator 23; the air inlet pipeline 1 is connected with a first gas-liquid separator 21, a second gas-liquid separator 22 and a third gas-liquid separator 23 after being divided;
a main switch valve 24 is arranged on the air inlet pipeline 1, and an auxiliary switch valve 25 is arranged on each branched pipeline respectively; the whole air inlet pipeline 1 is controlled to be opened and closed through the main switch valve 24, and the pipeline after shunting is controlled to be opened and closed through the auxiliary switch valve 25, so that the whole pipeline can be dynamically adjusted.
The main switch valve 24 and the auxiliary switch valve 25 are electromagnetic valves or manual valves; preferably, the electromagnetic valve is selected to be controlled, so that the whole switch system is remotely controllable.
The natural gas is conveyed into a gas-liquid separation unit 2 through an air inlet pipeline 1, and gas and liquid are separated in the gas-liquid separation unit 2;
the gas-liquid separator is a separation tower; the separation column includes a gas outlet end and a liquid outlet end, the gas outlet end is located at the top of the separation column, and the liquid outlet end is located at the bottom of the separation column.
The purification unit 3 is one or more of a coalescing filter 31, a heavy hydrocarbon removal device 32, a particle filter 33 and a membrane separator 34;
the purification unit 3 comprises in this embodiment a coalescing filter 31, a heavy hydrocarbon removal device 32, a particulate filter 33, a membrane separator 34; the coalescing filter 31 is connected with the gas-liquid separation unit 2, and the coalescing filter 31 is connected with a heavy hydrocarbon removal device 32; the heavy hydrocarbon removal device 32 is connected with a particle filter 33, and the particle filter 33 is connected with a membrane separator 34; the membrane separator 34 is provided with a first outlet end 301 and a second outlet end 302; after being trapped by the membrane separator 34, the purified natural gas flows out through the first outlet, and the acidic gases such as carbon dioxide and hydrogen sulfide and the water vapor flow out through the second outlet 302.
A pressure reducing valve 26 and a pressure detector 27 are arranged between the coalescing filter 31 and the gas-liquid separation unit 2, the pressure of the whole gas-liquid separation unit 2 is detected through a pressure detection meter, the pressure entering the coalescing filter 31 is released through the pressure reducing valve 26, the pressure in a subsequent pipeline is ensured to be within a safety value, and the safety of the whole system is ensured.
The coalescing filter 31, the heavy hydrocarbon removal device 32, the particle filter 33 and the membrane separator 34 are uniform and are common in the prior art;
as the gas passes through the membrane modules of the membrane separator 34, the gas, such as carbon dioxide, hydrogen sulfide, water vapor, etc., preferentially permeates the membranes, is enriched on the permeate side of the membranes, and is output from the second outlet port 302 through the permeate gas outlet port; on the retentate side of the membrane is highly purified natural gas which is output from the first outlet port 301 via the retentate gas outlet port.
Coalescing filter 31 includes an inlet end at the bottom of coalescing filter 31 and an outlet end at the top of coalescing filter 31. The gas outlet end of the separation tower is connected with the inlet end of the coalescing filter 31 through a conveying pipeline; the liquid outlet end is connected with a discharge pipeline.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. An energy-saving natural gas clean system which characterized in that: the device comprises an air inlet pipeline, a gas-liquid separation unit and a purification unit, wherein the air inlet pipeline is connected with the gas-liquid separation unit, the gas-liquid separation unit is connected with the purification unit, and the purification unit and the gas-liquid separation unit are respectively provided with a discharge pipeline; the gas-liquid separation unit is internally provided with a plurality of gas-liquid separators which are arranged in parallel.
2. An energy efficient natural gas purification system as claimed in claim 1 wherein: the gas-liquid separation unit comprises a first gas-liquid separator, a second gas-liquid separator and a third gas-liquid separator; the air inlet pipeline is connected with the first gas-liquid separator, the second gas-liquid separator and the third gas-liquid separator after being divided.
3. An energy efficient natural gas purification system as claimed in claim 2 wherein: the air inlet pipeline is provided with a main switch valve, and each pipeline after shunting is provided with an auxiliary switch valve respectively.
4. An energy efficient natural gas purification system as claimed in claim 3 wherein: the main switch valve and the auxiliary switch valve are electromagnetic valves or manual valves.
5. An energy efficient natural gas purification system as claimed in claim 4 wherein: the gas-liquid separator is a separation tower; the separation column includes a gas outlet end and a liquid outlet end, the gas outlet end is located at the top of the separation column, and the liquid outlet end is located at the bottom of the separation column.
6. An energy-saving natural gas purification system as claimed in any one of claims 1 to 5, wherein: the purification unit is one or more of a coalescing filter, a heavy hydrocarbon removal device, a particle filter and a membrane separator.
7. An energy-saving natural gas purification system as claimed in any one of claims 1 to 5, wherein: the purification unit comprises a coalescence filter, a heavy hydrocarbon removal device, a particle filter and a membrane separator; the coalescence filter is connected with the gas-liquid separation unit and the heavy hydrocarbon removal device; the heavy hydrocarbon removal device is connected with a particle filter, and the particle filter is connected with a membrane separator.
8. An energy efficient natural gas purification system as claimed in claim 7 wherein: the membrane separator is provided with a first outlet end and a second outlet end; after being intercepted by the membrane separator, the purified natural gas flows out through the second outlet, and the carbon dioxide, the hydrogen sulfide and the water vapor flow out through the first outlet end.
9. An energy efficient natural gas purification system as claimed in claim 8 wherein: and a pressure reducing valve and a pressure detector are arranged on a pipeline between the coalescence filter and the gas-liquid separation unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120475540.0U CN214735590U (en) | 2021-03-05 | 2021-03-05 | Energy-saving natural gas purification system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120475540.0U CN214735590U (en) | 2021-03-05 | 2021-03-05 | Energy-saving natural gas purification system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214735590U true CN214735590U (en) | 2021-11-16 |
Family
ID=78591596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120475540.0U Active CN214735590U (en) | 2021-03-05 | 2021-03-05 | Energy-saving natural gas purification system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214735590U (en) |
-
2021
- 2021-03-05 CN CN202120475540.0U patent/CN214735590U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106039915B (en) | Device for recovering oil and gas and its recovery method | |
| CN104003361A (en) | Apparatus for realizing on-line purification and circulation of air conditioning leak detection waste helium gas | |
| CN214735590U (en) | Energy-saving natural gas purification system | |
| CN212914967U (en) | Coating cloud treatment facility in spraying room | |
| CN204485595U (en) | Sour water tank exhaust treatment system | |
| CN113877228A (en) | Rectification and purification system for sulfur hexafluoride recovered gas | |
| CN202237707U (en) | Purification processing equipment for organic waste gases | |
| CN216191090U (en) | Device for recovering nitrogen from vented gas | |
| CN204783661U (en) | Tertiary roots's pendular ring vacuum unit | |
| CN212548962U (en) | Light oxygen purifies biological feed exhaust treatment device | |
| CN203866052U (en) | Online purification and circulation equipment for waste helium during air-conditioner leakage detection | |
| CN216223707U (en) | Multistage membrane separation biogas purification device for purifying biogas | |
| CN202778219U (en) | System for treating low-concentration VOCs (Volatile Organic Chemicals) waste gas | |
| CN204824155U (en) | Plateau machineshop car is with small -size system oxygen system | |
| CN209009342U (en) | A kind of gas of oil storage tank recovery system of recyclable nitrogen | |
| CN219072597U (en) | Ethanol separation treatment device suitable for ethanol aqueous solution | |
| CN212758034U (en) | High-purity nitrogen gas purification device | |
| CN210506242U (en) | Natural gas purification system | |
| CN201214049Y (en) | Tubular membrane filtration equipment | |
| CN209020206U (en) | A kind of fast evacuation device for tubular type membranous system | |
| CN105169873A (en) | Waste gas collecting and treating system device of petrochemical refined oil coking device | |
| WO2009109052A1 (en) | Emission treatment process from natural gas dehydrators | |
| CN219839667U (en) | Natural gas purifying device | |
| CN217312634U (en) | Precooling and purifying device used in air separation process | |
| CN109316891A (en) | Tank's Breather Valve emission-control equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |