CN205938514U - Novel CNG stores up and joins in marriage station - Google Patents
Novel CNG stores up and joins in marriage station Download PDFInfo
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- CN205938514U CN205938514U CN201620916400.1U CN201620916400U CN205938514U CN 205938514 U CN205938514 U CN 205938514U CN 201620916400 U CN201620916400 U CN 201620916400U CN 205938514 U CN205938514 U CN 205938514U
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- pressure regulator
- smelly
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Abstract
The utility model provides a novel CNG stores up and joins in marriage station relates to natural gas storage and joins in marriage technical field. The natural gas in the natural gas tanks car lets in the trunk line through unloading the gas well, and the voltage regulator in the trunk line is done the pressure of the natural gas and is let in the gas storage pipeline after the decompression is handled, and the natural gas of emitting from the gas storage pipeline is once more through the voltage regulator decompression after overflow the gauge and add and lead to the city gas supply line after smelly, and the atmospheric pressure in the natural gas tanks car diminishes the back and continues to take the remaining natural gas out through the residual air pipe simultaneously, improves conveying efficiency, equipment among the chu peizhan all sets up at the below ground, and area is little, and maintenance cost is low, and in the relatively poor or anti -terrorism region that the situation is tense of the great social security of personnel flow, the chupeizhan of this structure is more hidden, and the gas storage pipeline the lies in underground that keep clear -High voltage, difficult by the discovery with suffer destruction, consequently have apparent safe advantage.
Description
Technical field
This utility model is related to natural gas storage and joins technical field, more particularly to a kind of new type of compression natural gas distribution station.
Background technology
City " rate of gasification " is also the important indicator weighing urban modernization degree.Promote Integration of Urban-rural Areas, be area
The key factor of the domain level of economic development, just in time, compressed natural gas is as cleaning energy for iterative method " village leads to combustion gas " engineering
Source, is difficult the area radiating, is to solve the problems, such as one of supply important means using CNG gas holder station in pipeline network construction.But such station
The operation of point, natural gas belongs to Class A gas hazard medium, and process tool pressure height, pipeline system pressure are high, safe spacing
Have high demands, each side code requirement such as security against fire is strict.
CNG, after CNG tank car reaches gas holder station, is discharged into gas cylinder, height by unloading gas sledge by existing CNG gas holder station scheme
Pressure gas storage well, if without compressor boost, can store in 20MPa, and band booster compressor pressure store is up to 25MPa highest.
Or after reducing pressure by pressure regulator valve, adopt high pressure buried pipeline storing mode to store.Operational phase, by storage CNG through pressure regulation/
Be depressurized to the pressure of user's needs, in mostly generally being pressure 0.4MPa about outbound.Metering before outbound, plus smelly, then pass through pipeline
Fed downstream user.
Because CNG belongs to the inflammable medium of high pressure, danger is higher, and such gas holder station major defect on building has：
First, conventional gas storage means include gas cylinder and high-pressure gas storage well, and the former problem is：1. storage facilities is thrown
Costly, 2. safe spacing requirement is higher, and ground floor space is big for money, and 3. pressure vessel detection maintenance cost is high, 4. necessary
It is arranged on ground.Latter issues are：1. it is mainly pressure vessel detection, maintenance cost height, 2. long construction period, construction quality
Have high demands.3. investment cost is high.
2nd, the arrangement such as pressure regulation metering facility, instrument cubicle, discharge column arranges, safe spacing has high demands on the ground, takes up an area face
Long-pending big, exhaust stack is higher apart from the requirement of aforementioned station equipment mutual safe spacing, and floor space is also larger.
3rd, because more than process facility and high pressure equipment all ground arranging, line service amount is big, there is operational error
Risk；Project area in the public security risk that stability maintenance situation is severeer or population mobility is big, easily cause saboteur to pay close attention to
And destruction, flammability hazard medium, after wrecking, power, impact are larger, and social harm is huge.
Utility model content
This utility model embodiment provides a kind of new type of compression natural gas distribution station, can solve presence in prior art
Problem.
A kind of new type of compression natural gas distribution station, including unload gas well, main pipeline, gas storage pipeline, metering plus smelly room, residual air pipe
And heater, described unload gas well mouth be located at ground, be internally provided with unloading trachea, described unload trachea one end pass through high-pressure ball valve with
First unloads soft pipe connection, and the described trachea other end that unloads is connected with described main pipeline, and described main pipeline is sequentially installed with first
Quick action emergency valve, the first pressure regulator, the second quick action emergency valve and the second pressure regulator；Described heater is also mounted at described main pipeline
On, and be located between described first quick action emergency valve and the first pressure regulator, described main pipeline and described gas storage pipeline communication, connection
Point is located between described first pressure regulator and the second quick action emergency valve；Basset in described metering plus smelly ceiling portion, described supervisor
Road is located in described metering plus smelly room away from described one end unloading trachea, and described main pipeline is located in described metering plus smelly room
Part is provided with effusion meter, and described main pipeline is connected with outside network by outlet pipe in described metering plus smelly room；Described
Be additionally provided with the smelly tank of storage in metering plus smelly room, the smelly tank of described storage connects with described outlet pipe by pipeline, and connection described store up smelly
On the pipeline of tank and outlet pipe, air pump is installed；Described residual air pipe one end and described gas storage pipeline communication, the other end is installed
Have second to unload flexible pipe, described residual air pipe is sequentially provided with the 3rd pressure regulator, surge tank and compressor；Described main pipeline, gas storage
Pipeline and residual air pipe are respectively positioned on below ground.
It is preferred that also including backup line, described backup line one end is connected with the described trachea that unloads, the other end with described go out
Feed channel connect, described backup line is sequentially installed with the 3rd quick action emergency valve, the 4th pressure regulator, the 4th quick action emergency valve and
5th pressure regulator.
It is preferred that described heater is also mounted on described backup line, and it is located at described 3rd quick action emergency valve and the
Between four pressure regulators, described backup line also with described gas storage pipeline communication, and connectivity points are located at described 4th pressure regulator and the
Between four quick action emergency valves.
It is preferred that described heater is electric heating water-bath heater.
It is preferred that the described length and width unloading gas well is 1 meter, depth is 0.6 meter, and its inwall and bottom all adopt
C25 concrete is made, and inner wall surface scribbles the waterproof mortar of 20 millimeters thick；The described gas well mouth that unloads also has well lid, described
Well lid is the matchboard of 15 millimeters thick, is surrounded by the aluminium sheet of 1 millimeters thick thereon.
It is preferred that described flow is calculated as Roots type flowmeter.
It is preferred that described metering plus smelly room are reinforced concrete shear wall structure, its side wall and base plate are all using impervious mixed
Solidifying soil, seepage-resistant grade P6, the part basseted is made using chromatic steel sandwich plate, and core is rock wool, and the height basseting is
300 millimeters.
It is preferred that having deposited Tetramethylene sulfide in the smelly tank of described storage.
It is preferred that described air pump according to 20 milligrams of every cubic metre of natural gas ratio by the described tetrahydrochysene thiophene storing up in smelly tank
Fen is evacuated in described outlet pipe.
A kind of new type of compression natural gas distribution station in this utility model embodiment, the natural gas in natural gas tank car passes through to unload
Gas well is passed through main pipeline, and the pressure regulator in main pipeline does to the pressure of natural gas and is passed through gas storage pipeline after reduced pressure treatment, from gas storage
In pipeline release natural gas again pass by pressure regulator decompression after through excessively stream gauge and plus smelly after lead to city steam line, simultaneously
Pass through residual air pipe to continue to extract remaining natural gas out after the air pressure in natural gas tank car diminishes, improve conevying efficiency, described
Equipment in gas holder station is arranged at below ground, and floor space is little, and maintenance cost is low, in the larger social security of flow of personnel relatively
Difference or the anti-terrorism region that the situation is tense, the gas holder station of this structure is more hidden, and Keep Clear-High Voltage, and gas storage pipeline is located underground, is difficult
It is found and is destroyed, therefore there are significant security advantages.
Brief description
A kind of structure chart of new type of compression natural gas distribution station that Fig. 1 provides for this utility model embodiment.
Description of reference numerals：
100- unloads gas well, and 110- unloads trachea, 120- high-pressure ball valve, and 130- first unloads flexible pipe, 210- main pipeline, 211-
One quick action emergency valve, 212- first pressure regulator, 213- second quick action emergency valve, 214- second pressure regulator, 220- backup line,
221- the 3rd quick action emergency valve, 222- the 4th pressure regulator, 223- the 4th quick action emergency valve, 224- the 5th pressure regulator, 300- gas storage
Pipeline, 400- metering plus smelly room, 410- effusion meter, 420- outlet pipe, the 430- smelly tank of storage, 440- air pump, 500- residual air pipe,
510- second unloads flexible pipe, 520- the 3rd pressure regulator, 530- surge tank, 540- compressor, 600- heater.
Specific embodiment
Below in conjunction with the accompanying drawings, a specific embodiment of the present utility model is described in detail, it is to be understood that this
The protection domain of utility model is not limited by specific embodiment.
With reference to Fig. 1, this utility model embodiment provides a kind of new type of compression natural gas distribution station, including unload gas well 100,
Main pipeline 210, backup line 220, gas storage pipeline 300, metering plus smelly room 400, residual air pipe 500 and heater 600.
Described gas well 100 well head that unloads is located at ground, and in the present embodiment, the described length and width unloading gas well 100 is 1
Rice, depth is 0.6 meter, and its inwall and bottom are all made using C25 concrete, and inner wall surface scribbles the Waterproof sand of 20 millimeters thick
Slurry；Described gas well 100 well head that unloads also has well lid (not shown), and described well lid is the matchboard of 15 millimeters thick, is surrounded by 1 milli thereon
The thick aluminium sheet of rice.Described unload to be provided with inside gas well 100 unload trachea 110, described unload trachea 110 one end pass through high-pressure ball valve 120 with
First flexible pipe 130 of unloading connects, and described trachea 110 other end that unloads is connected with described main pipeline 210, on described main pipeline 210 according to
Secondary first quick action emergency valve 211, the first pressure regulator 212, the second quick action emergency valve 213 and the second pressure regulator 214 are installed.
Described heater 600 is arranged on described main pipeline 210, and is located at described first quick action emergency valve 211 and first
Between pressure regulator 212, described main pipeline 210 is connected with described gas storage pipeline 300, and connectivity points are located at described first pressure regulator 212
With second between quick action emergency valve 213.Basset in described metering plus smelly room 400 top, described main pipeline 210 unloads away from described
One end of trachea 110 is located in described metering plus smelly room 400, and described main pipeline 210 is located in described metering plus smelly room 400
Part is provided with effusion meter 410, and described main pipeline 210 passes through outlet pipe 420 and exterior tube in described metering plus smelly room 400
Net connection.
In the present embodiment, described metering plus smelly room 400 are reinforced concrete shear wall structure, and its side wall and base plate are all adopted
With water-tight concrete, seepage-resistant grade P6, the part basseted is made using chromatic steel sandwich plate, and core is rock wool, bassets
Height be 300 millimeters.Described effusion meter 410 is Roots type flowmeter, and it has, and measuring accuracy is high, range ratio is big, convection cell is disturbed
The low feature of dynamic sensitivity.
It is additionally provided with the smelly tank 430 of storage, the smelly tank 430 of described storage passes through pipeline and described escape pipe in described metering plus smelly room 400
Road 420 connects, and is provided with air pump 440 on the pipeline of the connection smelly tank 430 of described storage and outlet pipe 420.Described residual air pipe
500 one end are connected with described gas storage pipeline 300, and the other end is provided with second and unloads flexible pipe 510, on described residual air pipe 500 successively
It is provided with the 3rd pressure regulator 520, surge tank 530 and compressor 540.Described main pipeline 210, backup line 220, gas storage pipeline 300
It is respectively positioned on below ground with residual air pipe 500.
In the present embodiment, deposited Tetramethylene sulfide in the smelly tank 430 of described storage.Described air pump 440 is according to described flow
The flows of meter 410 detection store up described the Tetramethylene sulfide in smelly tank 430 and are evacuated to according to the ratio of 20 milligrams of every cubic metre of natural gas
In described outlet pipe 420.
Described backup line 220 one end is connected with the described trachea 110 that unloads, and the other end is connected with described outlet pipe 420, institute
State and the 3rd quick action emergency valve 221, the 4th pressure regulator 222, the 4th quick action emergency valve 223 and are sequentially installed with backup line 220
5th pressure regulator 224.
Described heater 600 is also mounted on described backup line 220, and is located at described 3rd quick action emergency valve 221 He
Between 4th pressure regulator 222, described backup line 220 is also connected with described gas storage pipeline 300, and connectivity points are located at the described 4th
Between pressure regulator 222 and the 4th quick action emergency valve 223.In the present embodiment, described heater 600 is electric heating heating in water bath
Device, so that being higher than 0 degree from the described natural gas temperature discharged trachea 110 of unloading, prevents from freezing valve body.
In sum, a kind of new type of compression natural gas distribution station, the sky in natural gas tank car in this utility model embodiment
So gas is passed through main pipeline by unloading gas well, and the pressure regulator in main pipeline does to the pressure of natural gas and is passed through cylinder after reduced pressure treatment
Road, from gas storage pipeline release natural gas again pass by pressure regulator decompression after through excessively stream gauge and plus smelly after lead to city supply
Pipeline, passes through residual air pipe simultaneously after the air pressure in natural gas tank car diminishes and continues to extract remaining natural gas out, improve transport
Efficiency, the equipment in described gas holder station is arranged at below ground, and floor space is little, and maintenance cost is low, larger in flow of personnel
Social security is poor or the anti-terrorism region that the situation is tense, and the gas holder station of this structure is more hidden, and Keep Clear-High Voltage gas storage pipeline position
In underground, it is difficult to be found and is destroyed, therefore there are significant security advantages.
Only several specific embodiments of the present utility model disclosed above, but, this utility model embodiment not office
It is limited to this, the changes that any person skilled in the art can think of all should fall into protection domain of the present utility model.
Claims (9)
1. a kind of new type of compression natural gas distribution station is it is characterised in that include unloading gas well (100), main pipeline (210), cylinder
Road (300), metering plus smelly room (400), residual air pipe (500) and heater (600), described gas well (100) well head that unloads is located at ground,
Be internally provided with unloading trachea (110), described unload trachea (110) one end and pass through high-pressure ball valve (120) unload flexible pipe (130) with first
Connection, described trachea (110) other end that unloads connected with described main pipeline (210), and described main pipeline (210) is sequentially installed with the
One quick action emergency valve (211), the first pressure regulator (212), the second quick action emergency valve (213) and the second pressure regulator (214)；Described plus
Hot device (600) is also mounted on described main pipeline (210), and is located at described first quick action emergency valve (211) and the first pressure regulator
(212) between, described main pipeline (210) is connected with described gas storage pipeline (300), and connectivity points are located at described first pressure regulator
(212) between and the second quick action emergency valve (213)；Basset in described metering plus smelly room (400) top, described main pipeline
(210) it is located in described metering plus smelly room (400) away from described one end unloading trachea (110), and described main pipeline (210) is located at
Part in described metering plus smelly room (400) is provided with effusion meter (410), and described main pipeline (210) is in described metering plus smelly room
(400) connected with outside network by outlet pipe (420) in；It is additionally provided with the smelly tank of storage in described metering plus smelly room (400)
(430), described storage smelly tank (430) connect with described outlet pipe (420) by pipeline, and connection described store up smelly tank (430) and
Air pump (440) is provided with the pipeline of outlet pipe (420)；Described residual air pipe (500) one end and described gas storage pipeline (300)
Connection, the other end is provided with second and unloads flexible pipe (510), described residual air pipe (500) is sequentially provided with the 3rd pressure regulator (520),
Surge tank (530) and compressor (540)；Described main pipeline (210), gas storage pipeline (300) and residual air pipe (500) are respectively positioned on ground
Below.
2. compressed natural gas gas holder station as claimed in claim 1 is it is characterised in that also including backup line (220), described standby
Connected with the described trachea (110) that unloads with pipeline (220) one end, the other end is connected with described outlet pipe (420), described standby pipe
Be sequentially installed with road (220) the 3rd quick action emergency valve (221), the 4th pressure regulator (222), the 4th quick action emergency valve (223) and
5th pressure regulator (224).
3. compressed natural gas gas holder station as claimed in claim 2 is it is characterised in that described heater (600) is also mounted at institute
State on backup line (220), and be located between described 3rd quick action emergency valve (221) and the 4th pressure regulator (222), described standby
Pipeline (220) is also connected with described gas storage pipeline (300), and connectivity points are urgent positioned at described 4th pressure regulator (222) and the 4th
Between stop valve (223).
4. compressed natural gas gas holder station as claimed in claim 3 is it is characterised in that described heater (600) is electric heating water
Bath heater.
5. compressed natural gas gas holder station as claimed in claim 1 is it is characterised in that the described length unloading gas well (100) and width
Degree is 1 meter, and depth is 0.6 meter, and its inwall and bottom are all made using C25 concrete, and inner wall surface scribbles 20 millimeters thick
Waterproof mortar；Described gas well (100) well head that unloads also has well lid, and described well lid is the matchboard of 15 millimeters thick, is surrounded by 1 thereon
The aluminium sheet of millimeters thick.
6. compressed natural gas gas holder station as claimed in claim 1 is it is characterised in that described effusion meter (410) is Roots's flow
Meter.
7. compressed natural gas gas holder station as claimed in claim 1 is it is characterised in that it is reinforcing bar that described metering adds smelly room (400)
, all using water-tight concrete, seepage-resistant grade P6, the part basseted is using color for concrete shear wall structure, its side wall and base plate
Steel sandwich board is made, and core is rock wool, and the height basseting is 300 millimeters.
8. compressed natural gas gas holder station as claimed in claim 1 is it is characterised in that deposited four in the smelly tank of described storage (430)
Hydrogen thiophene.
9. compressed natural gas gas holder station as claimed in claim 8 is it is characterised in that described air pump (440) is according to every cube
Tetramethylene sulfide in the smelly tank of described storage (430) is evacuated in described outlet pipe (420) ratio of 20 milligrams of natural gas of rice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620916400.1U CN205938514U (en) | 2016-08-22 | 2016-08-22 | Novel CNG stores up and joins in marriage station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620916400.1U CN205938514U (en) | 2016-08-22 | 2016-08-22 | Novel CNG stores up and joins in marriage station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205938514U true CN205938514U (en) | 2017-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620916400.1U Active CN205938514U (en) | 2016-08-22 | 2016-08-22 | Novel CNG stores up and joins in marriage station |
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| Country | Link |
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| CN (1) | CN205938514U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799834A (en) * | 2018-06-21 | 2018-11-13 | 南京国电南自新能源工程技术有限公司 | A kind of natural gas tube line control system |
-
2016
- 2016-08-22 CN CN201620916400.1U patent/CN205938514U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799834A (en) * | 2018-06-21 | 2018-11-13 | 南京国电南自新能源工程技术有限公司 | A kind of natural gas tube line control system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |