CN214222403U - Pipe fitting for replacing outlet buffer tank of compressor of CNG station - Google Patents
Pipe fitting for replacing outlet buffer tank of compressor of CNG station Download PDFInfo
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- CN214222403U CN214222403U CN202022163102.9U CN202022163102U CN214222403U CN 214222403 U CN214222403 U CN 214222403U CN 202022163102 U CN202022163102 U CN 202022163102U CN 214222403 U CN214222403 U CN 214222403U
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Abstract
The utility model discloses a replace pipe fitting of CNG station compressor export buffer tank, including first interface, the second interface, the pipeline, valving, there is branch mouth on the pipeline, the pipeline both ends respectively with first interface and second interface connection, valving's upper end is sealed up, and lower port is connected with the branch mouth on the pipeline, and valving comprises two nozzle stub, ball valve, pipe cap, and the nozzle stub is connected respectively at the both ends of ball valve, the nozzle stub pipe cap of upper end, and beneficial effect is: the utility model relates to a replace pipe fitting of CNG station compressor export buffer tank, can stop 10 seconds's technical requirement in order to satisfy compressor export natural gas, do not constitute pressure vessel again, need not set up the blowdown, equipment such as diffuse, greatly reduced the cost, it is with low costs to have, occupation space is little, characteristics such as the installation is nimble various, can be according to space needs or actual demand, install straight tube type, the elbow formula, or with a plurality of this equipment serial-type, the branch pipe valve can only set up one and satisfy multiple demand.
Description
Technical Field
The utility model relates to a CNG station compressor exit linkage's buffering pipe fitting, in particular to replace CNG station compressor export buffer tank's pipe fitting belongs to oil and gas technical field.
Background
At present, the export of natural gas sled dress compressor all is equipped with the buffer tank, and non-sled compressor also can set up alone, and this type of buffer tank belongs to pressure vessel, needs to set up equipment such as blowdown, diffuse, supervises strict periodic inspection, and is with high costs, and it is big to take up an area of, and CNG compressor exit pressure can reach 25MPa at most, and piston compressor all has the pulse, and the buffer tube is installed behind the compressor, and its effect reduces the steady pressure of pulse, and the buffering is undulant, plays and alleviate the fluctuation influence between the intersystem and upper and lower flow.
The traditional buffer tank is used for buffering fluctuation and removing condensed water, because natural gas is dry gas after being treated by drying equipment firstly, the natural gas is dry gas after entering a compressor for pressurization, no moisture is generated, and natural gas at the outlet of a compressor of a sub-station, a compressor of a standard station and a compressor of a main station does not have condensed water, so that the buffer tank can be replaced by a buffer pipe, and the technical requirement that the volume of the outlet buffer tank of the compressor accords with GB51102-2016 design Specification for compressed Natural gas supply station 6.2.18 in the technical requirement that the natural gas stays for 10s in the tank is guaranteed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a replace pipe fitting of CNG station compressor export buffer tank to solve the problem of mentioning in the above-mentioned background art.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model provides a replace pipe fitting of CNG station compressor export buffer tank, includes first interface, second interface, pipeline, valving, there is branch mouth on the pipeline, the pipeline both ends respectively with first interface and second interface connection, valving's upper end is sealed, and lower port is connected with the branch mouth on the pipeline, valving comprises two nozzle stub, ball valve, pipe cap, the nozzle stub is connected respectively at the both ends of ball valve, the nozzle stub coupling pipe cap of upper end.
As the utility model discloses a preferred technical scheme, first interface comprises CNG joint, eccentric reducer, the one end welding that CNG connects is at the narrow end of eccentric reducer.
As the utility model discloses an optimized technical scheme, when first interface contact ground level mode was placed, eccentric reducer was the end flat type, eccentric reducer material is the stainless steel, CNG connects for DN50, and the material is the stainless steel.
As the utility model discloses an optimized technical scheme, the second interface comprises CNG joint, eccentric reducer, the one end welding that CNG connects is at the narrow end of eccentric reducer.
As the utility model discloses an optimized technical scheme, when second interface contact ground level mode was placed, eccentric reducer was the end flat type, eccentric reducer material is the stainless steel, CNG connects for DN50, and the material is the stainless steel.
As an optimal technical scheme of the utility model, the pipeline comprises long steel pipe, elbow, short steel pipe, reducing tee bend, the elbow is connected to long steel pipe, short steel pipe is connected to the other end of elbow, reducing tee bend is connected to the other end of short steel pipe.
As an optimal technical scheme of the utility model, long steel pipe diameter D168x22, length 500mm, the elbow is long radius 90 degrees elbow DN150, short steel pipe is 500mm with reducing tee junction's total length, each part material of pipeline is the stainless steel, and connected mode between each part is the welding.
As the utility model discloses an optimal technical scheme, the pipeline comprises long steel pipe, reducing tee, long steel pipe passes through the welded mode with the reducing tee and is connected, the pipeline total length is 1000mm, long steel pipe diameter D168x22, each part material of pipeline is the stainless steel.
As an optimal technical scheme of the utility model, the pipe cap is DN50, the ball valve is DN50 PN250, each part material of valve device is the stainless steel, and connected mode between each part is the welding.
As an optimized technical scheme of the utility model, the material stainless steel is stainless steel S30408, accords with the national standard, and the GB trade mark is 0Cr18Ni 9.
The utility model discloses the beneficial effect who reaches is: the utility model relates to a replace pipe fitting of CNG station compressor export buffer tank can stop 10 seconds technical requirement in order to satisfy compressor export natural gas, does not constitute pressure vessel again, need not set up the blowdown, equipment such as diffuse, greatly reduced the cost, the utility model discloses with low costs, occupation space is little, and the installation is nimble various, can install straight tube type according to space needs or actual demand, elbow formula, or with a plurality of this equipment serial-type, the branch pipe valve can only set up one and satisfy multiple demand.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view of a first embodiment of the present invention;
fig. 2 is a schematic view of a second embodiment of the present invention;
fig. 3 is a schematic diagram of a third embodiment of the present invention.
In the figure: 1. a first interface; 2. a second interface; 3. a pipeline; 4. a valve means; 101. a CNG joint; 102. an eccentric reducer; 201. a CNG joint; 202. an eccentric reducer; 301. a long steel pipe; 302. bending the pipe; 303. short steel pipes; 304. a reducing tee; 401. a pipe cap; 402. a short pipe; 403. a ball valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example one
The first embodiment is a vertical bent pipe type:
as shown in fig. 1, the utility model relates to a pipe fitting for replacing the outlet buffer tank of the compressor of the CNG station, the wide end of the first interface is welded with one end of the pipeline, the other end of the pipeline is welded with the wide end of the second interface, the branch pipe orifice on the pipeline is welded with the lower end of the valve device, and the upper end of the valve is sealed;
specifically, the first interface is formed by welding and connecting a CNG joint and the narrow end of an eccentric reducer, the eccentric reducer is made of stainless steel, the CNG joint is DN50, and the CNG joint is made of stainless steel;
specifically, the second interface is formed by welding and connecting a CNG joint and the narrow end of an eccentric reducer, the eccentric reducer is of a bottom flat type and is made of stainless steel, and the CNG joint is DN50 and is made of stainless steel;
specifically, the pipeline is welded in the one end of elbow by the one end of long steel pipe, and the other end welding of elbow is short steel pipe, and the other end welding reducing tee bend of short steel pipe is constituteed, and reducing tee bend's branch mouth is upwards, and wherein long steel pipe diameter D168x22, length 500mm, elbow are long radius 90 degrees elbow DN150, and the total length that short steel pipe and reducing tee bend are connected is 500mm, and each part material of pipeline is the stainless steel.
Specifically, the valving comprises nozzle stub, ball valve, pipe cap, and the one end of the upper end welding nozzle stub of ball valve, the other end welding pipe cap of nozzle stub, nozzle stub of lower extreme rewelding of ball valve, the other end of nozzle stub and the branch mouth welded connection on the pipeline, and wherein, the ball valve material is the stainless steel, and the pipe cap is DN50, and the material is the stainless steel, and the ball valve is stainless steel ball valve DN50 PN 250.
Example two
Example two is a horizontal elbow:
as shown in fig. 2, the utility model relates to a pipe fitting for replacing the outlet buffer tank of the compressor of the CNG station, the wide end of the first interface is welded with one end of the pipeline, the other end of the pipeline is welded with the wide end of the second interface, the branch pipe orifice on the pipeline is welded with the lower end of the valve device, and the upper end of the valve is sealed;
specifically, the first interface is formed by welding and connecting a CNG joint and the narrow end of an eccentric reducer, the eccentric reducer is of a bottom flat type and is made of stainless steel, and the CNG joint is DN50 and is made of stainless steel;
specifically, the second interface is formed by welding and connecting a CNG joint and the narrow end of an eccentric reducer, the eccentric reducer is of a bottom flat type and is made of stainless steel, and the CNG joint is DN50 and is made of stainless steel;
specifically, the pipeline is formed by welding one end of a long steel pipe at one end of an elbow, welding a short steel pipe at the other end of the elbow, welding a reducing tee at the other end of the short steel pipe, wherein a branch pipe opening of the reducing tee is upward, the diameter of the long steel pipe is D168x22, the length of the long steel pipe is 500mm, the elbow is a 90-degree elbow DN150 with a long radius, the total length of the short steel pipe and the reducing tee is 500mm, and all parts of the pipeline are made of stainless steel;
specifically, the valving comprises nozzle stub, ball valve, pipe cap, and the one end of the upper end welding nozzle stub of ball valve, the other end welding pipe cap of nozzle stub, nozzle stub of lower extreme rewelding of ball valve, the other end of nozzle stub and the branch mouth welded connection on the pipeline, and wherein, the ball valve material is the stainless steel, and the pipe cap is DN50, and the material is the stainless steel, and the ball valve is stainless steel ball valve DN50 PN 250.
EXAMPLE III
The third embodiment is a straight tube type:
as shown in fig. 3, the utility model relates to a pipe fitting for replacing the outlet buffer tank of the compressor of the CNG station, the wide end of the first interface is welded with one end of the pipeline, the other end of the pipeline is welded with the wide end of the second interface, the branch pipe orifice on the pipeline is welded with the lower end of the valve device, and the upper end of the valve is sealed;
specifically, the first interface is welded and connected with the narrow end of the eccentric reducer through a CNG joint, the eccentric reducer is of a bottom flat type and is made of stainless steel, and the CNG joint is DN50 and is made of stainless steel;
specifically, the second interface is welded and connected with the narrow end of the eccentric reducer through a CNG joint, the eccentric reducer is of a bottom flat type and is made of stainless steel, and the CNG joint is DN50 and is made of stainless steel;
specifically, the pipeline comprises long steel pipe, reducing tee bend, long steel pipe is connected through the welded mode with the reducing tee bend, pipeline total length is 1000mm, long steel pipe diameter D168x22, each part material of pipeline is the stainless steel.
Specifically, the valving comprises nozzle stub, ball valve, pipe cap, and the one end of the upper end welding nozzle stub of ball valve, the other end welding pipe cap of nozzle stub, nozzle stub of lower extreme rewelding of ball valve, the other end of nozzle stub and the branch mouth welded connection on the pipeline, and wherein, the ball valve material is the stainless steel, and the pipe cap is DN50, and the material is the stainless steel, and the ball valve is stainless steel ball valve DN50 PN 250.
The stainless steel can be selected from stainless steel S30408, which meets the national standard, and the GB brand is 0Cr18Ni 9.
The utility model discloses well each part connected mode all is the welding, the utility model discloses the ball valve is in the closed condition when normal use, first interface and compressor exit linkage, second interface and CNG pipe connection can select the straight tube formula according to installation space or demand, and modes such as bent pipe formula or a plurality of this equipment of series connection satisfy big air displacement requirement, material and specification as long as satisfy the national regulation standard can, be not restricted to material and specification.
The utility model discloses an effect and principle:
when the utility model discloses well pipeline specification D168X22, maximum operating pressure is 20MPa, length 1 meter, compressor open-type, and compressor exit pressure is the same with the inlet pressure, assumes to be 4Mpa, and 1 meter pipeline internal water volume is 0.012m3 (be less than 0.025m3 that the pressure volume stipulated, does not constitute pressure vessel).
After the compressor is started, when the pressure in the pipeline is increased from 4Mpa to 20Mpa, the volume of the stored standard natural gas is 2.4-0.5-1.9 m3, and the requirement that the gas supply amount is 700Nm3/h for the natural gas at the outlet of the compressor to stay for 10 seconds can be met. The pipeline can be assembled and combined to meet the requirement of a compressor with larger discharge capacity.
The residual air recycling port is arranged at the tail end of the pipeline in the airflow direction and is arranged at the pipe cap at the upper end of the ball valve. When the compressor stops working, the ball valve controls the switch, the pipe cap is firstly opened to connect the high-pressure hose, then the valve of the ball valve is opened, and the high-pressure natural gas in the compressor rear high-pressure pipe system is recycled.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a replace pipe fitting of CNG station compressor export buffer tank, a serial communication port, including first interface, second interface, pipeline, valving, there is branch mouth on the pipeline, the pipeline both ends respectively with first interface and second interface connection, valving's upper end is sealed up, and the port is connected with the branch mouth on the pipeline down, valving comprises two nozzle stub, ball valve, pipe cap, the nozzle stub is connected respectively at the both ends of ball valve, the nozzle stub coupling pipe cap of upper end.
2. The pipe fitting for replacing a CNG station compressor outlet buffer tank as claimed in claim 1, wherein the first interface comprises a CNG joint and an eccentric reducer, wherein one end of the CNG joint is welded at the narrow end of the eccentric reducer.
3. The pipe fitting of claim 2, wherein when the first interface is placed in contact with the ground in a horizontal manner, the eccentric reducer is of a bottom-flat type, the eccentric reducer is made of stainless steel, the CNG joint is DN50, and the CNG joint is made of stainless steel.
4. The pipe fitting for replacing a CNG station compressor outlet buffer tank as claimed in claim 1, wherein the second port comprises a CNG joint and an eccentric reducer, wherein one end of the CNG joint is welded at the narrow end of the eccentric reducer.
5. The pipe fitting of claim 4, wherein when the second interface is placed in contact with the ground level, the eccentric reducer is of a bottom-flat type, the eccentric reducer is made of stainless steel, the CNG joint is DN50, and the CNG joint is made of stainless steel.
6. The pipe fitting for replacing the outlet buffer tank of the CNG station compressor as claimed in claim 1, wherein the pipeline is composed of a long steel pipe, an elbow, a short steel pipe and a reducing tee, the long steel pipe is connected with the elbow, the other end of the elbow is connected with the short steel pipe, and the other end of the short steel pipe is connected with the reducing tee.
7. The pipe fitting for replacing the outlet buffer tank of the compressor of the CNG station according to claim 6, wherein the long steel pipe is D168x22 and 500mm in length, the elbow is a 90-degree elbow DN150 with a long radius, the total length of the short steel pipe connected with the reducing tee is 500mm, all the parts of the pipeline are made of stainless steel, and all the parts are welded.
8. The pipe fitting for replacing the outlet buffer tank of the compressor of the CNG station according to claim 1, wherein the pipeline is composed of a long steel pipe and a reducing tee, the long steel pipe and the reducing tee are connected in a welding mode, the total length of the pipeline is 1000mm, the diameter of the long steel pipe is D168x22, and all parts of the pipeline are made of stainless steel.
9. The pipe fitting for replacing the outlet buffer tank of the compressor of the CNG station as claimed in claim 1, wherein the pipe cap is DN50, the ball valve is DN50 PN250, the components of the valve device are all made of stainless steel, and the connection modes of the components are all welded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022163102.9U CN214222403U (en) | 2020-09-28 | 2020-09-28 | Pipe fitting for replacing outlet buffer tank of compressor of CNG station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022163102.9U CN214222403U (en) | 2020-09-28 | 2020-09-28 | Pipe fitting for replacing outlet buffer tank of compressor of CNG station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214222403U true CN214222403U (en) | 2021-09-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022163102.9U Active CN214222403U (en) | 2020-09-28 | 2020-09-28 | Pipe fitting for replacing outlet buffer tank of compressor of CNG station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214222403U (en) |
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- 2020-09-28 CN CN202022163102.9U patent/CN214222403U/en active Active
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