CN202968511U - Special cooling, separating and filtering system for compressed natural gas - Google Patents
Special cooling, separating and filtering system for compressed natural gas Download PDFInfo
- Publication number
- CN202968511U CN202968511U CN 201220721474 CN201220721474U CN202968511U CN 202968511 U CN202968511 U CN 202968511U CN 201220721474 CN201220721474 CN 201220721474 CN 201220721474 U CN201220721474 U CN 201220721474U CN 202968511 U CN202968511 U CN 202968511U
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- gas
- separator
- filter
- ball valve
- filtering
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Abstract
The utility model discloses a special cooling, separating and filtering system for compressed natural gas. The system comprises a heat exchanger, a separator, a coarse filter and a fine filter, wherein a gas outlet of the heat exchanger is connected with a gas inlet of the separator through a gas pipe; a gas outlet of the separator is respectively connected with a gas inlet of the coarse filter and a gas outlet of the fine filter through a gas pipe; and a gas outlet of the coarse filter is connected with a gas inlet of the fine filter through a gas pipe. According to the special cooling, separating and filtering system disclosed by the utility model, heat exchange for temperature reduction is adopted, so that an oil component and a water component can be converted into a liquid state from a gas state; and three grades of filtering are adopted: in the first grade, a centrifugal type separator is adopted for separating solid impurities, liquid-state water and liquid-state oil; in the second grade, the coarse filter is adopted for filtering dust and one part of gas-state oil stain; and in the third state, the fine filter is adopted for efficiently filtering a light oil component. A filtering part is connected with a bypass pipeline in parallel so as to be convenient for maintenance with continuous gas.
Description
Technical field
The utility model relates to a kind of natural gas treatment plant, relates in particular to the special-purpose refrigerated separation filtering system of a kind of compressed natural gas.
Background technology
Sweet natural gas is in exploitation, refinement, processing, course of conveying, and itself is with the lightweight oil, moisture and the solid impurity that partly do not extract and sneak into; Gas must carry out under lubricated condition because of the mechanical movement of compressor in compression process, and lubricating system generally adopts lubricating oil, so gas can be sneaked into parts of lubricating oil in compression process; The mechanical movement of compressor, although good lubricating arranged, friction unavoidably has the generation of solid impurity.
Therefore, the compressed natural gas produced of CNG gas station is with considerable dissimilar impurity, dust, greasy dirt and moisture.The production process of CNG gas station, its master operation is that Sweet natural gas is compressed; Gas is in the physical process of compression, and temperature can significantly raise, and oil and water exist in the gaseous state mode under the condition of high temperature, and traditional filter type is difficult to be isolated out.In compressed natural gas with this class material can be to the subsequent production of CNG gas station, sell operation and exert an influence, or even can't carry out.
The utility model content
The purpose of this utility model provides a kind of compressed natural gas special-purpose refrigerated separation filtering system with regard to being in order to address the above problem.
The utility model is achieved through the following technical solutions above-mentioned purpose:
The utility model comprises interchanger, separator, coarse filter and fine filter, the air outlet of described interchanger is connected by tracheae with the inlet mouth of described separator, the air outlet of described separator respectively with the inlet mouth of described coarse filter be connected the air outlet of fine filter and be connected by tracheae, the air outlet of described coarse filter is connected by tracheae with the inlet mouth of described fine filter.
Further, on the tracheae between the inlet mouth of the air outlet of described interchanger and described separator, the separator air inlet ball valve is installed; On tracheae between the air outlet of described separator and the inlet mouth of described coarse filter, the filtration air inlet ball valve is installed; The air outlet of described fine filter is equipped with the filtering outlet ball valve, on the tracheae between the air outlet of described filtering outlet ball valve and the air outlet of described separator, release valve ball is installed.
The beneficial effects of the utility model are:
The utility model adopts first heat exchange cooling, and oil ingredient and water component are converted into liquid state by gaseous state, then carry out three-stage filtration: the first step adopts centrifugal separator, separate solid impurity, liquid moisture, liquid oil; Second stage coarse filter, Chalk-dust filtering and part gaseous state greasy dirt; Third stage accurate filter, high efficiency filter lightweight oil composition.And filtration fraction by-pass line in parallel, the maintenance of being convenient to not stop the supple of gas or steam.
Description of drawings
Fig. 1 is the utility model structural representation.
in figure: 1-inlet end ball valve, 2-cooling liquid outlet ball valve, 3-heat exchanger tube group, 4-the first stainless steel pipeline, 5-the second stainless steel pipeline, the 6-release valve ball, 7-filtering outlet ball valve, 8-outlet side ball valve, the 9-essence is crossed filter core, the 10-essence is filtered Blowoff ball valve, the 11-fine filter, 12-the 3rd stainless steel pipeline, 13-coarse filtration core, 14-coarse filtration Blowoff ball valve, the 15-coarse filter, 16-filters air inlet ball valve, 17-separator gas-flow deflector, 18-separator Blowoff ball valve, the 19-separator, 20-separator air inlet ball valve, the 21-interchanger, 22-cooling liquid inlet ball valve.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing:
As shown in Figure 1: the utility model comprises interchanger 21, separator 19, coarse filter 15 and fine filter 11, the air outlet of interchanger 21 is connected by the first stainless steel pipeline 4 with the inlet mouth of separator 19, the air outlet of separator 19 is connected by the second stainless steel pipeline 5 with the air outlet that the inlet mouth of coarse filter 15 is connected with fine filter respectively, and the air outlet of coarse filter 15 is connected by the 3rd stainless steel pipeline 12 with the inlet mouth of fine filter 11.
As shown in Figure 1: on the first stainless steel pipeline 4 between the inlet mouth of the air outlet of interchanger 21 and separator 19, separator air inlet ball valve 20 is installed; Be equipped with on the second stainless steel pipeline 5 pipes between the inlet mouth of the air outlet of separator 19 and coarse filter 15 and filter air inlet ball valve 16; The air outlet of fine filter 11 is equipped with filtering outlet ball valve 7, on the second stainless steel pipeline 5 between the air outlet of the air outlet of filtering outlet ball valve 7 and separator 19, release valve ball is installed.The inlet mouth of interchanger 21 is equipped with inlet end ball valve 1, and the cooling liquid outlet of interchanger 21 is equipped with cooling liquid outlet ball valve 2, and the cooling liquid inlet of interchanger 21 is equipped with cooling liquid inlet ball valve 22.the heat exchanger tube group 3 of interchanger inside is evenly distributed, be provided with outlet side ball valve 8 between the air outlet of the air outlet of release valve ball 6 and filtering outlet ball valve 7, the first essence is crossed filter core 9 and is installed in fine filter 11, the sewage outfalls setting of fine filter has essence to filter Blowoff ball valve 10, coarse filtration core 13 is installed in coarse filter 15, the sewage outfalls setting of coarse filter has coarse filtration Blowoff ball valve 14, separator gas-flow deflector 17 is installed in separator 19, the sewage outfalls setting of separator 19 has separator Blowoff ball valve 18, separator 19 is by spiral separator gas-flow deflector 17 drainage, make Sweet natural gas form stable swirling eddy motion, under the effect of centrifugal force, greasy dirt in Sweet natural gas " is got rid of " to the gas tank inwall and is discharged downstream to the gas tank bottom in himself action of gravity, whole process need not extra power, energy consumption is low, the gas pressure loss is little, Sweet natural gas after purification has better combustion efficacy, and the waste gas of discharge still less is conducive to environmental protection.
As shown in Figure 1: cooling fluid enters in interchanger 21 from cooling liquid inlet ball valve 22, and the heat exchanger tube group of flowing through 3 outer walls are flowed out by cooling liquid outlet ball valve 2 after heat is taken out of.The compressed natural gas that needs to process is in inlet end ball valve 1 enters interchanger 21, the heat exchanger tube group of flowing through 3 inwalls, gas after cooling enters in separator 19 through separator air inlet ball valve 20, the first stainless steel pipeline 4, and Sweet natural gas forms stable swirling eddy under the guiding of separator gas-flow deflector 17.Impurity in Sweet natural gas and greasy dirt are being attached under the effect of centrifugal force on the inwall of separator 19, under himself action of gravity, get rid of through bottom separator Blowoff ball valve 18.Natural gas via after separate solid impurity, liquid moisture, liquid oil filters air inlet ball valve 16 and enters coarse filter 15, is got rid of by coarse filtration Blowoff ball valve 14 by dust and greasy dirt that coarse filtration core 13 leaches.Gas after coarse filtration by the 3rd stainless steel pipeline 12, enter fine filter 11, crossed by essence the greasy dirt that filter core 9 leaches and filter Blowoff ball valve 10 eliminatings by essence.Compressed natural gas after filtration vent ball valve 7, outlet side ball valve 8 after filtration flows out, and completes filtration procedure.When needing the cleaning filter element, open release valve ball 6, close and filter air inlet ball valve 16 and filtering outlet ball valve 7, compressed natural gas is through inlet end ball valve 1, interchanger 21, separator air inlet ball valve 20, stainless steel pipeline 4, separator 19, stainless steel pipeline 5, release valve ball 6 and outlet side ball valve 8, outflow.
Claims (2)
1. the special-purpose refrigerated separation filtering system of a compressed natural gas, it is characterized in that: comprise interchanger, separator, coarse filter and fine filter, the air outlet of described interchanger is connected by tracheae with the inlet mouth of described separator, the air outlet of described separator respectively with the inlet mouth of described coarse filter be connected the air outlet of fine filter and be connected by tracheae, the air outlet of described coarse filter is connected by tracheae with the inlet mouth of described fine filter.
2. the special-purpose refrigerated separation filtering system of compressed natural gas according to claim 1, is characterized in that: on the tracheae between the air outlet of described interchanger and the inlet mouth of described separator, the separator air inlet ball valve is installed; On tracheae between the air outlet of described separator and the inlet mouth of described coarse filter, the filtration air inlet ball valve is installed; The air outlet of described fine filter is equipped with the filtering outlet ball valve, on the tracheae between the air outlet of described filtering outlet ball valve and the air outlet of described separator, release valve ball is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220721474 CN202968511U (en) | 2012-12-24 | 2012-12-24 | Special cooling, separating and filtering system for compressed natural gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220721474 CN202968511U (en) | 2012-12-24 | 2012-12-24 | Special cooling, separating and filtering system for compressed natural gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202968511U true CN202968511U (en) | 2013-06-05 |
Family
ID=48509612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220721474 Expired - Fee Related CN202968511U (en) | 2012-12-24 | 2012-12-24 | Special cooling, separating and filtering system for compressed natural gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202968511U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103642551A (en) * | 2013-12-25 | 2014-03-19 | 成都兰华电子工程有限公司 | Special natural gas purification device and purification process for compressed natural gas filling station |
| CN103877816A (en) * | 2014-03-18 | 2014-06-25 | 营口华海设备有限公司 | Intelligent-control gas/natural gas filter system |
| CN106351697A (en) * | 2016-10-21 | 2017-01-25 | 西安琦通新能源设备有限公司 | Natural gas pressure energy recycling expansion power generation and cold energy utilization system |
-
2012
- 2012-12-24 CN CN 201220721474 patent/CN202968511U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103642551A (en) * | 2013-12-25 | 2014-03-19 | 成都兰华电子工程有限公司 | Special natural gas purification device and purification process for compressed natural gas filling station |
| CN103877816A (en) * | 2014-03-18 | 2014-06-25 | 营口华海设备有限公司 | Intelligent-control gas/natural gas filter system |
| CN106351697A (en) * | 2016-10-21 | 2017-01-25 | 西安琦通新能源设备有限公司 | Natural gas pressure energy recycling expansion power generation and cold energy utilization system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130605 Termination date: 20141224 |
|
| EXPY | Termination of patent right or utility model |