CN206785636U - Natural gas compressor system - Google Patents
Natural gas compressor system Download PDFInfo
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- CN206785636U CN206785636U CN201720700214.9U CN201720700214U CN206785636U CN 206785636 U CN206785636 U CN 206785636U CN 201720700214 U CN201720700214 U CN 201720700214U CN 206785636 U CN206785636 U CN 206785636U
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Abstract
It the utility model is related to natural gas compressor system,Including motor (1),Two stages of compression double-screw compressor (2),Moisture trap (3),One-level gs-oil separator (4),Gas Cooler (5),Oil cooler (6) and oil strainer (7),Moisture trap (3) is arranged on the pipeline being connected with the air inlet of two stages of compression double-screw compressor (2),It is connected between the oil and gas import of one-level gs-oil separator (4) and the oil gas vent of two stages of compression double-screw compressor (2) by pipeline,Oil cooler (6) and oil strainer (7) are successively set between the oil-out of one-level gs-oil separator (4) and the oil inlet of two stages of compression double-screw compressor (2) on pipeline,Gas Cooler (5) is arranged on the pipeline being connected with the gas outlet of one-level gs-oil separator (4),Motor (1) is connected with two stages of compression double-screw compressor (2).The utility model has the advantages that：Low in energy consumption, efficiency high.
Description
Technical field
A kind of compressor is the utility model is related to, specifically a kind of natural gas compressor system.
Background technology
Natural gas is mainly used in the fields such as natural gas power, gas chemical industry's industry, gas cause.In natural gas
During pressure-increasing unit, natural gas compressor system is indispensable important component, and it is used to natural pressure being reduced to pressure
Gaseous natural gas more than or equal to 10MPa and no more than 25MPa, in order to be able to by the natural gas storing after compression in container
In.Current existing natural gas compressor system generally uses piston compressor system, and this compressor assembly has power consumption
Height, efficiency are low, the significant drawback such as natural gas water content and oil content height after compression.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of to natural gas compressor system low in energy consumption, efficiency high
System.
In order to solve the above technical problems, the utility model provides a kind of natural gas compressor system of following structure：Bag
Include motor, two stages of compression double-screw compressor, enter gas separating device, one-level gs-oil separator, Gas Cooler, oil cooler and oily mistake
Filter, enter gas separating device and be arranged on the pipeline being connected with the air inlet of two stages of compression double-screw compressor, primary oil qi leel
Connected between the oil and gas import of device and the oil gas vent of two stages of compression double-screw compressor by pipeline, oil cooler and oily mistake
Filter is successively set between the oil-out of one-level gs-oil separator and the oil inlet of two stages of compression double-screw compressor on pipeline,
Gas Cooler is arranged on the pipeline being connected with the gas outlet of one-level gs-oil separator, and motor compresses with two stages of compression twin-screw
Machine is connected.
After said structure, compared with prior art, the utility model has advantages below：The utility model natural gas
Compressor assembly is used as compression main frame using single two stages of compression double-screw compressor, by the compression ratio and pressure difference of every one-level screw rod
Reduce, substantially increase the efficiency of natural gas compressor system, reduce natural gas compressor system power consumption, reached energy-conservation
Effect, effective fractional energy savings is up to 12-15%, and the single two stages of compression double-screw compressor of use is used as after compressing main frame, this
Utility model natural gas compressor system eliminates cascade EDFA separator, and it is cold not only to avoid natural gas, because among two-stage
But, separation and the pressure drop caused by pipeline, reduce energy consumption, and eliminate cooling between two-stage, separation, lubricating oil system
The manufacturing cost of the utility model natural gas compressor system is also greatly reduced after system and pipeline；Further, since in natural gas
Impurity and liquid water droplets are carried, some also containing pipeline welding slag, sludge etc., therefore, have aqueous vapor separation and solid impurity point
From the setting for entering gas separating device can play water removal, the removal of impurity and voltage stabilizing on the premise of admission pressure least disadvantage is ensured
Effect, to ensure the long-term normal operation of two stages of compression double-screw compressor.
Natural gas compressor system described in the utility model, wherein, in addition to two level gs-oil separator, two level oil gas point
Connected between the oil and gas import of device and the gas outlet of one-level gs-oil separator by pipeline, Gas Cooler is arranged on and two level oil
On the pipeline that the gas outlet of gas separating device is connected.
Compressed natural gas field has high requirements to the security and stability of Oil-gas Separation, in natural gas refining means
Pressure swing adsorption method and membrane separation process are sensitivity to oil pole, and oil content is too high to easily cause failure, the utility model natural gas compressor
System is separated to oil gas using two-stage, and efficient separating effect is realized to oil gas, compressed natural gas is had lower oil-containing
Amount, so as to effectively avoid impacting upstream device, moreover, two-stage separation can also effectively avoid separation failure from bringing
Serious oil vapour pollution.
Natural gas compressor system described in the utility model, wherein, the filter core of one-level gs-oil separator is using silk
Net demister, the filter core of two level gs-oil separator is using oil-gas separating filter element.
Wire mesh demister does not have vulnerability, durable reliable, and can be by most of lubrication contained in compressed natural gas
Oil is separated in one-level gs-oil separator, the oil content into the compressed natural gas of two level gs-oil separator is tended towards stability
Value, the effect after one-level separation can accomplish oil content≤200ppm of compressed natural gas, accordingly even when two level gs-oil separator
Filter core because the reasons such as breakage fail when, the utility model natural gas compressor system is not easy to cause serious oil vapour pollution；
After the filter core of two level gs-oil separator uses oil-gas separating filter element, the effect after two separation can accomplish that the oil of compressed natural gas contains
Amount≤1ppm, it is achieved thereby that efficient separating effect, makes compressed natural gas have lower oil content, so as to effectively keep away
Exempt to impact upstream device.
Natural gas compressor system described in the utility model, wherein, the oil-out of two level gs-oil separator and oil cooling are but
Connected between the oil inlet of device by pipeline.
The lubricating oil that two level gs-oil separator intercepts can be by between oil-out and the oil inlet of oil cooler
Pipeline is constantly returned in two stages of compression double-screw compressor, these lubricating oil is re-circulated use, so as to not only keep away
The waste of lubricating oil is exempted from, and also assures that the long-term normal operation of two stages of compression double-screw compressor, can stablize
Discharge pure, high-quality compressed natural gas in ground.
Natural gas compressor system described in the utility model, wherein, in addition to oil water separator, oil water separator setting
On the pipeline that the gas outlet with Gas Cooler is connected.
Oil water separator can isolate the impurity such as the moisture condensed in the compressed natural gas after cooling and oil, make compression
The aqueous of natural gas, oil content are lower, and purity is higher.
Natural gas compressor system described in the utility model, wherein, the filter core of oil water separator is using glass fibers
Tie up filter core.
Glass fibre filter core good insulating, heat resistance are strong, corrosion resistance is good, high mechanical strength, therefore can ensure profit
Separator long-term stable operation.
Natural gas compressor system described in the utility model, wherein, in addition to active carbon filter, active carbon filter
It is arranged on the pipeline being connected with the gas outlet of oil water separator.
Using the adsorption capacity of activated carbon, the steam in compressed natural gas and mist of oil can be filtered again, so as to
The steam and mist of oil in natural gas can be further disposed, makes compressed natural gas purity higher, is handled through active carbon filter
Afterwards, the oil content of compressed natural gas can be controlled in≤0.1ppm.
Natural gas compressor system described in the utility model, wherein, oil strainer has two, two oil strainer parallel connections
Set, stop valve is equipped with the pipeline branch road of oil inlet and the oil-out connection of each oil strainer.
When natural gas compressor system is run, can select to use any one oil strainer, and another is standby,
When the oil strainer damage in being used, then the oil strainer can be closed, and enable standby oil strainer, so as to accomplish
More oil filter is not related to the purpose for closing natural gas compressor system, so that the effect of the utility model natural gas compressor system
Rate is higher, and closing for oil strainer can be realized by closing two stop valves being in it on same pipeline branch road, and
And the replacing and maintenance of oil strainer are also convenient for after two stop valves closings.
Natural gas compressor system described in the utility model, wherein, motor is explosion-proof electric machine.
The setting of explosion-proof electric machine can avoid triggering the situation of blast to occur because of natural gas leaking.
Brief description of the drawings
Fig. 1 is the structure principle chart of the utility model natural gas compressor system.
Embodiment
The utility model natural gas compressor system is made with reference to the accompanying drawings and detailed description further detailed
Explanation.
As shown in figure 1, the utility model natural gas compressor system include motor 1, two stages of compression double-screw compressor 2,
Enter gas separating device 3, one-level gs-oil separator 4, Gas Cooler 5, oil cooler 6, oil strainer 7, two level gs-oil separator 8, oil
Separator 9 and active carbon filter 10, enter gas separating device 3 and be arranged on air inlet phase with two stages of compression double-screw compressor 2
On the pipeline of connection, the gas separating device 3 that enters employed in the present embodiment is three phase separator, plays water removal, the removal of impurity and voltage stabilizing
Effect, pass through pipeline between the oil and gas import of one-level gs-oil separator 4 and the oil gas vent of two stages of compression double-screw compressor 2
Connection, oil cooler 6 and oil strainer 7 are successively set on the oil-out and two stages of compression twin-screw pressure of one-level gs-oil separator 4
Between the oil inlet of contracting machine 2 on pipeline, Gas Cooler 5 is arranged on the pipeline being connected with the gas outlet of one-level gs-oil separator 4
On, motor 1 is connected with two stages of compression double-screw compressor 2, oil and gas import and the primary oil qi leel of two level gs-oil separator 8
Connected between the gas outlet of device 4 by pipeline, Gas Cooler 5 is arranged on to be connected with the gas outlet of two level gs-oil separator 8
Pipeline on, the filter core of one-level gs-oil separator 4 using wire mesh demister, what the filter core of two level gs-oil separator 8 used
It is oil-gas separating filter element, is connected between the oil-out of two level gs-oil separator 8 and the oil inlet of oil cooler 6 by pipeline, oil
Separator 9 is arranged on the pipeline being connected with the gas outlet of Gas Cooler 5, and the filter core of oil water separator 9 is using glass
Fabric filter element, active carbon filter 10 are arranged on the pipeline being connected with the gas outlet of oil water separator 9, and oil strainer 7 has two
Individual, two oil strainers 7 are arranged in parallel, and are equipped with the pipeline branch road of oil inlet and the oil-out connection of each oil strainer 7
Stop valve 11, motor 1 are explosion-proof electric machine.
Embodiment above is only that preferred embodiment of the present utility model is described, not to the utility model
Scope be defined, on the premise of the utility model design spirit is not departed from, those of ordinary skill in the art are to this practicality
The various modifications and improvement that new technical scheme is made, the protection domain of the utility model claims book determination all should be fallen into
It is interior.
Claims (9)
- A kind of 1. natural gas compressor system, it is characterised in that：Including motor (1), two stages of compression double-screw compressor (2), enter Gas separating device (3), one-level gs-oil separator (4), Gas Cooler (5), oil cooler (6) and oil strainer (7), it is described enter qi leel It is arranged on from device (3) on the pipeline being connected with the air inlet of two stages of compression double-screw compressor (2), the one-level Oil-gas Separation It is connected between the oil and gas import of device (4) and the oil gas vent of two stages of compression double-screw compressor (2) by pipeline, the oil cooling is but Device (6) and oil strainer (7) are successively set on the oil-out and two stages of compression double-screw compressor of one-level gs-oil separator (4) (2) between oil inlet on pipeline, the Gas Cooler (5) is arranged on to be connected with the gas outlet of one-level gs-oil separator (4) Pipeline on, the motor (1) and two stages of compression double-screw compressor (2) are connected.
- 2. natural gas compressor system according to claim 1, it is characterised in that：Also include two level gs-oil separator (8), It is connected between the oil and gas import of the two level gs-oil separator (8) and the gas outlet of one-level gs-oil separator (4) by pipeline, institute Gas Cooler (5) is stated to be arranged on the pipeline being connected with the gas outlet of two level gs-oil separator (8).
- 3. natural gas compressor system according to claim 2, it is characterised in that：The one-level gs-oil separator (4) Filter core is using wire mesh demister, and the filter core of the two level gs-oil separator (8) is using oil-gas separating filter element.
- 4. the natural gas compressor system according to Claims 2 or 3, it is characterised in that：The two level gs-oil separator (8) Oil-out and the oil inlet of oil cooler (6) between be connected by pipeline.
- 5. according to the natural gas compressor system described in claim 1 or 2 or 3, it is characterised in that：Also include oil water separator (9), the oil water separator (9) is arranged on the pipeline being connected with the gas outlet of Gas Cooler (5).
- 6. according to the natural gas compressor system described in claim or 5, it is characterised in that：The filter of the oil water separator (9) Core is using glass fibre filter core.
- 7. natural gas compressor system according to claim 5, it is characterised in that：Also include active carbon filter (10), The active carbon filter (10) is arranged on the pipeline being connected with the gas outlet of oil water separator (9).
- 8. according to the natural gas compressor system described in claim or 1 or 2 or 3, it is characterised in that：The oil strainer (7) There are two, described two oil strainers (7) are arranged in parallel, what each oil inlet of oil strainer (7) and oil-out connected Stop valve (11) is equipped with pipeline branch road.
- 9. natural gas compressor system according to claim 1, it is characterised in that：The motor (1) is explosion-proof electric machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720700214.9U CN206785636U (en) | 2017-06-15 | 2017-06-15 | Natural gas compressor system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720700214.9U CN206785636U (en) | 2017-06-15 | 2017-06-15 | Natural gas compressor system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206785636U true CN206785636U (en) | 2017-12-22 |
Family
ID=60717622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720700214.9U Active CN206785636U (en) | 2017-06-15 | 2017-06-15 | Natural gas compressor system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206785636U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110499196A (en) * | 2019-05-13 | 2019-11-26 | 宁波鲍斯能源装备股份有限公司 | A kind of whole sledge booster station gas collecting apparatus |
| CN111022301A (en) * | 2019-12-23 | 2020-04-17 | 东莞雅迪勤压缩机制造有限公司 | Oilless middle-high pressure air compressor |
| CN111022301B (en) * | 2019-12-23 | 2024-06-04 | 东莞雅迪勤压缩机制造有限公司 | Oilless medium-high pressure air compressor |
-
2017
- 2017-06-15 CN CN201720700214.9U patent/CN206785636U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110499196A (en) * | 2019-05-13 | 2019-11-26 | 宁波鲍斯能源装备股份有限公司 | A kind of whole sledge booster station gas collecting apparatus |
| CN111022301A (en) * | 2019-12-23 | 2020-04-17 | 东莞雅迪勤压缩机制造有限公司 | Oilless middle-high pressure air compressor |
| CN111022301B (en) * | 2019-12-23 | 2024-06-04 | 东莞雅迪勤压缩机制造有限公司 | Oilless medium-high pressure air compressor |
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