CN205533065U - Compound compressor arrangement of natural gas gas substation - Google Patents
Compound compressor arrangement of natural gas gas substation Download PDFInfo
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- CN205533065U CN205533065U CN201620142103.6U CN201620142103U CN205533065U CN 205533065 U CN205533065 U CN 205533065U CN 201620142103 U CN201620142103 U CN 201620142103U CN 205533065 U CN205533065 U CN 205533065U
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Abstract
The utility model provides a compound compressor arrangement of natural gas gas substation, including import, export, high -pressure side compressor, motor, low -pressure end compressor, buffer tank, cooler group and control valve, be equipped with at least single -stage -compression in high -pressure side compressor and the low -pressure end compressor respectively, the low pressure cooling that cooler group was equipped with the pressure cooling that corresponds with the high -pressure side compressor and corresponded with the low -pressure end compressor, tube coupling import, high -pressure side compressor the first compression passageway of the natural gas is carried in high pressure cooling, export mixes, tube coupling import, buffer tank, low -pressure end compressor, low pressure cooling, high -pressure side compressor the second compression passageway of the natural gas is carried in high pressure cooling, export mixes, the transfer passage valve of the natural gas is carried in pipeline import and export mixes. Pressure difference to the natural gas in the tank wagon is unloaded, utilizes first compression passageway, second compression passageway to carry out the pressure boost to the natural gas in the tank wagon respectively, and this device can unload 0.3MPa to the natural gas pressure in the tank wagon.
Description
Technical field
This utility model relates to a kind of natural gas supply sub-station compound compressed device.
Background technology
Conventional natural gas air entraining substation processand flow process is, tank car passes through from the natural gas that mother station is drawn and unloads
Gas column measures, and after sub-station compressor supercharging, enters caisson storage and gas selling machine sells gas, due to
Tradition sub-station compressor is two-stage compression, so there being the natural gas of 3MPa pressure not lay down in tank car, with
20m3As a example by water capacity tank car, there is 620m3Natural gas exist in tank car, i.e. adding cost of transportation has
Decrease the loading of freight waggon.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of natural gas be easy to and control flexibly
Substation compound compressed device.
For solving above-mentioned technical problem, this utility model provides a kind of natural gas supply sub-station compound compressed
Device, including import, outlet, high-pressure side compressor, at least one motor, low-pressure end compressor,
Surge tank, cooler package and some control valves, be provided with at least one stage of compression, low-pressure end in high-pressure side compressor
At least one stage of compression it also is provided with in compressor；
Described motor is used for driving high-pressure side compressor and low side compressor；
Be provided with in cooler package the cooling of corresponding with high-pressure side compressor at least one-level high pressure and with low pressure side pressure
At least one-level low pressure cooling that contracting machine is corresponding；
Be sequentially connected with import, high-pressure side compressor by pipeline, described high pressure cools down, export mixes carries
First pressure channel of natural gas, the first pressure channel is provided with the first control valve near entrance location；
It is sequentially connected with import, surge tank, low-pressure end compressor, the cooling of described low pressure, high pressure by pipeline
End compressor, the cooling of described high pressure, the second pressure channel of export mixes conveying natural gas, the second compression
Passage is provided with the second control valve near entrance location, and the second pressure channel is near high-pressure side compressor position
It is provided with the 3rd control valve；
It is directly connected to inlet and outlet by pipeline and constitutes the transfer passage of conveying natural gas, on transfer passage
It is provided with the 4th control valve.
After using such structure, can unload for the pressure difference of natural gas in tank car, utilize first
Pressure channel, the second pressure channel carry out supercharging to the natural gas in tank car respectively, and this device can be tank car
In gas pressure be discharged to 0.3MPa, only remain 80m in 20 cubes of water capacity tank cars3Natural gas.
For clearer understanding technology contents of the present utility model, below that this natural gas supply sub-station is multiple
Combined pressure compression apparatus is referred to as this device.
The motor of this device is a Double shaft-extension motor, an output shaft of Double shaft-extension motor and high pressure
End compressor is connected by shaft coupling, and another output shaft of Double shaft-extension motor and low side compressor are by electricity
Magnet clutch connects.
After using such structure, can be compressed by a motor-driven high-pressure side compressor and low side
Machine, and utilize operating or the closedown of electromagnetic clutch flexible operating low side compressor.
The high-pressure side compressor of this device is two stages of compression, the respectively first high pressure compressed and the second high pressure pressure
Contracting, described high pressure is cooled to two-stage cooling, the respectively first high pressure cooling and the cooling of the second high pressure；
Described low-pressure end boil down to two stages of compression, the respectively first low pressure compression and the compression of the second low pressure,
Described low pressure is cooled to two-stage cooling, the respectively first low pressure cooling and the cooling of the second low pressure.
First control valve of this device, the second control valve and the 3rd control valve are all pneumatic ball valve；Use this
After the structure of sample, pneumatic ball valve has the fireballing feature of execution.
Accompanying drawing explanation
Fig. 1 is the front view of this device embodiment.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the schematic diagram of this device embodiment.
Detailed description of the invention
As shown in Figures 1 to 3
This device include import, outlet, high-pressure side compressor 1, motor 4, low-pressure end compressor 2,
Surge tank 7, cooler package 3 and multiple control valve.
High-pressure side compressor 1 is two stages of compression, the respectively first high pressure compressed 1a and the second high pressure compressed 1b.
Low-pressure end compressor 2 is two stages of compression, the respectively first low pressure compression 2a and the second low pressure compression 2b.
Be provided with in cooler package 3 cooling of corresponding with high-pressure side compressor 1 two-stage high pressure and with low pressure side pressure
The two-stage low pressure cooling of contracting machine 2 correspondence, it is high that the cooling of two-stage high pressure is respectively the first high pressure cooling 3a and second
Pressure cooling 3b, the cooling of two-stage low pressure is respectively the first low pressure cooling 3c and the second low pressure cooling 3d.
Motor 4 is a Double shaft-extension motor 4, an output shaft of Double shaft-extension motor 4 and high pressure side pressure
Contracting machine 1 is connected by shaft coupling 5, and another output shaft of Double shaft-extension motor 4 passes through with low side compressor
Electromagnetic clutch 6 connects.
It is sequentially connected with import, the first high pressure compressed 1a of high-pressure side compressor 1, cooler package by pipeline
First high pressure of 3 cools down 3a, the second high pressure compressed 1b, the second high pressure cooling 3b, export mixes conveying sky
So the first pressure channel of gas, the first pressure channel is provided with the first control valve 8a near entrance location；
Also can be provided with the first branch road on first pressure channel, it is high that the first branch road directly connects first by pipeline
The end of pressure cooling 3a and outlet, the natural gas via made crosses the first high pressure compressed 1a of high-pressure side compressor 1
It is directly output to outlet with after the first high pressure cooling 3a of cooler package 3, the first branch road is provided with first
Stop valve 9a and the first check-valves 10a.
By pipeline be sequentially connected with import, surge tank 7, low-pressure end compressor 2 first low pressure compression 2a,
First low pressure cooling 3c of cooler package 3, the second low pressure compression 2b, cooler of low-pressure end compressor 2
Second low pressure cooling 3d of group 3, the first high pressure compressed 1a of high-pressure side compressor 1, cooler package 3
First high pressure cooling 3a, the second high pressure compressed 1b of high-pressure side compressor 1, the second height of cooler package 3
Pressure cooling 3b, the second pressure channel of export mixes conveying natural gas, the second pressure channel is near import position
Putting and be provided with the second control valve 8b, the second pressure channel is provided with the 3rd near high-pressure side compressor 1 position
Control valve 8c (between low-pressure end compressor 2 and high-pressure side compressor 1)；
Also can be provided with the second branch road on second pressure channel, it is low that the second branch road directly connects first by pipeline
The end of pressure cooling 3c and the first high pressure compressed 1a top of high-pressure side compressor 1, the natural gas via made
First low pressure of the first low pressure compression 2a and cooler package 3 that cross low-pressure end compressor 2 is straight after cooling down 3c
Connect and export the first high pressure compressed 1a top to high-pressure side compressor 1, the second branch road is provided with second section
Only valve 9b and the second check-valves 10b.
In like manner, during the second pressure channel work, it is also possible to select whether the first branch road is opened.
It is directly connected to inlet and outlet by pipeline and constitutes the transfer passage of conveying natural gas, on transfer passage
It is provided with the 4th control valve 8d.
During use, the pressure of natural gas in detection tank car time seasonable, according to the pressure of the natural gas in tank car
Select the landline of natural gas.
If the natural gas in tank car meets 25MPa (i.e. predetermined value), can close the first control valve 8a,
Second control valve 8b, the 3rd control valve 8c, open the 4th control valve 8d, and the natural gas in tank car is from this dress
The import put is fed directly to outlet through transfer passage, without supercharging operation.
If the natural gas in tank car is slightly larger than 3MPa but is less than 25MPa, the second control valve can be closed
8b, the 3rd control valve 8c, the 4th control valve 8d, open the first control valve 8a, the natural gas in tank car from
Import enters this device, and motor 4 one output shaft drives high-pressure side compressor 1 to operate, control electromagnetism from
Another output shaft of motor 4 is disconnected by clutch 6 with low-pressure end compressor 2, low-pressure end compressor 2
Do not work, after first high pressure compressed 1a and the second high pressure compressed 1b of high-pressure side compressor 1, natural
Gas can reach pressure predetermined value；
But when natural gas is through the of the first high pressure compressed 1a of high-pressure side compressor 1 and cooler package 3
When i.e. meeting pressure predetermined value after one high pressure cooling 3a, open the first stop valve 9a on the first branch road, make
Natural gas skips the second high pressure compressed 1b of high-pressure side compressor 1 and the second high pressure cooling of cooler package 3
3b, is fed directly to outlet.
If the natural gas in tank car is less than 3MPa, the first control valve 8a, the 4th control valve can be closed
8d, opens the second control valve 8b and the 3rd control valve 8c, and the natural gas in tank car enters this device from import,
Motor 4 one output shaft drives high-pressure side compressor 1 to operate, and controls electromagnetic clutch 6 by motor 4
Another output shaft is connected with low-pressure end compressor 2, and low-pressure end compressor 2 works, and compresses through low-pressure end
Machine 2 first low pressure compression 2a and the second low pressure compression 2b, the first high pressure compressed of high-pressure side compressor 1
After 1a and the second high pressure compressed 1b, natural gas can reach pressure predetermined value；
As the first branch road, when natural gas is through low-pressure end compressor 2 first low pressure compression 2a and cooling
After first low pressure cooling 3c of device group 3, when natural gas has reached high-pressure side compressor 1 operating pressure, then
The second stop valve 9b on the second branch road can be opened, make natural gas skip the second of low-pressure end compressor 2
Low pressure compression 2b and the second high pressure cooling 3b of cooler package 3, is fed directly to outlet.
First control valve 8a, the second control valve 8b and the 3rd control valve 8c are all pneumatic ball valve.
From outlet flow out natural gas can select low pressure storage tank A, middle pressure storage tank B, high pressure storage tank C or
Flow directly into gas selling machine D.
In actual use, in order to produce the consideration needed flexibly with secure context, first presses this device
Also need to arrange various control valve and peace on contracting passage, the second pressure channel, the first branch road, the second branch road
Full valve, for the conventional application of this area, is not particularly illustrated in description and Figure of description.
Shaft coupling in the present embodiment is trouble-proof tire shaft coupling, and motor is explosion-proof Double shaft-extension motor,
Anti-explosion is electromagnetic clutch also selected by electromagnetic clutch.
Above-described is only a kind of embodiment of the present utility model, it is noted that for this area
For those of ordinary skill, on the premise of without departing from this utility model principle, it is also possible to make some changes
Type and improvement, these also should be regarded as belonging to protection domain of the present utility model.
Claims (4)
1. a natural gas supply sub-station compound compressed device, is characterized by: include import, outlet, high-pressure side
Compressor, at least one motor, low-pressure end compressor, surge tank, cooler package and some control valves,
It is provided with at least one stage of compression in high-pressure side compressor, in low-pressure end compressor, also is provided with at least one stage of compression；
Described motor is used for driving high-pressure side compressor and low side compressor；
Be provided with in cooler package the cooling of corresponding with high-pressure side compressor at least one-level high pressure and with low pressure side pressure
At least one-level low pressure cooling that contracting machine is corresponding；
Be sequentially connected with import, high-pressure side compressor by pipeline, described high pressure cools down, export mixes carries
First pressure channel of natural gas, the first pressure channel is provided with the first control valve near entrance location；
It is sequentially connected with import, surge tank, low-pressure end compressor, the cooling of described low pressure, high pressure by pipeline
End compressor, the cooling of described high pressure, the second pressure channel of export mixes conveying natural gas, the second compression
Passage is provided with the second control valve near entrance location, and the second pressure channel is near high-pressure side compressor position
It is provided with the 3rd control valve；
It is directly connected to inlet and outlet by pipeline and constitutes the transfer passage of conveying natural gas, on transfer passage
It is provided with the 4th control valve.
Natural gas supply sub-station compound compressed device the most according to claim 1, is characterized in that:
Described motor is a Double shaft-extension motor, an output shaft of Double shaft-extension motor and high-pressure side
Compressor is connected by shaft coupling, and another output shaft of Double shaft-extension motor and low side compressor pass through electromagnetism
Clutch connects.
Natural gas supply sub-station compound compressed device the most according to claim 1, is characterized in that:
Described high-pressure side compressor is two stages of compression, the respectively first high pressure compressed and the second high pressure compressed,
Described high pressure is cooled to two-stage cooling, the respectively first high pressure cooling and the cooling of the second high pressure；
Described low-pressure end boil down to two stages of compression, the respectively first low pressure compression and the compression of the second low pressure,
Described low pressure is cooled to two-stage cooling, the respectively first low pressure cooling and the cooling of the second low pressure.
Natural gas supply sub-station compound compressed device the most according to claim 1, is characterized in that:
First control valve, the second control valve and the 3rd control valve are all pneumatic ball valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620142103.6U CN205533065U (en) | 2016-02-25 | 2016-02-25 | Compound compressor arrangement of natural gas gas substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620142103.6U CN205533065U (en) | 2016-02-25 | 2016-02-25 | Compound compressor arrangement of natural gas gas substation |
Publications (1)
| Publication Number | Publication Date |
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| CN205533065U true CN205533065U (en) | 2016-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620142103.6U Active CN205533065U (en) | 2016-02-25 | 2016-02-25 | Compound compressor arrangement of natural gas gas substation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105570082A (en) * | 2016-02-25 | 2016-05-11 | 蚌埠市荣强压缩机制造有限公司 | Compound compression device of natural gas filling substation |
-
2016
- 2016-02-25 CN CN201620142103.6U patent/CN205533065U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105570082A (en) * | 2016-02-25 | 2016-05-11 | 蚌埠市荣强压缩机制造有限公司 | Compound compression device of natural gas filling substation |
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| GR01 | Patent grant |