CN217559573U - CNG natural gas pressure regulating device - Google Patents
CNG natural gas pressure regulating device Download PDFInfo
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- CN217559573U CN217559573U CN202221131201.1U CN202221131201U CN217559573U CN 217559573 U CN217559573 U CN 217559573U CN 202221131201 U CN202221131201 U CN 202221131201U CN 217559573 U CN217559573 U CN 217559573U
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Abstract
The utility model discloses a CNG natural gas pressure regulating device, its technical scheme is: including high-pressure intake pipe, reheater and frame, the fixed setting in the frame bottom of reheater, high-pressure intake pipe one end runs through the reheater and fixedly connected with one-level voltage regulator, one-level buffer, second grade voltage regulator, second grade buffer, outlet filter, outlet pipe and outlet flange in proper order, the fixed flowmeter that is provided with on the outlet pipe, outlet flange one end extends to frame one side outside, and a CNG natural gas pressure regulating device beneficial effect is: through set gradually spare part such as one-level voltage regulator, one-level buffer, second grade voltage regulator, second grade buffer and exit filter on high-pressure intake pipe to solve traditional pressure regulating device function singleness, the pressure regulating step is loaded down with trivial details inconvenient, uses comparatively trouble problem.
Description
Technical Field
The utility model relates to a natural gas technology field, concretely relates to CNG natural gas pressure regulating device.
Background
CNG (compressed natural gas), namely natural gas, is pressurized and stored in a container in a gaseous state, the main component of the CNG is methane (CH 4), the CNG is 25MPa overseas and 20MPa domestically, the industrial use pressure is generally 0.2-0.4MPa or lower, high-pressure gas needs to be used after pressure regulation, the traditional pressure regulating device is single in function, the pressure regulating step is complicated and inconvenient, and the use is troublesome.
Therefore, it is necessary to invent a natural gas pressure regulating device for CNG.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a CNG natural gas pressure regulating device sets gradually spare part such as one-level voltage regulator, one-level buffer, second grade voltage regulator, second grade buffer and outlet filter through in the high pressure intake pipe to solve traditional pressure regulating device function singleness, the pressure regulating step is loaded down with trivial details inconvenient, uses comparatively trouble problem.
In order to achieve the above object, the present invention provides the following technical solutions: a CNG natural gas pressure regulating device comprises a high-pressure air inlet pipe, a reheater and a frame, wherein the reheater is fixedly arranged at the bottom of the frame, one end of the high-pressure air inlet pipe penetrates through the reheater and is fixedly connected with a primary pressure regulator, a primary buffer, a secondary pressure regulator, a secondary buffer, an outlet filter, an outlet pipe and an outlet flange in sequence, a flowmeter is fixedly arranged on the outlet pipe, and one end of the outlet flange extends to the outside of one side of the frame;
the high-pressure gas inlet pipe is fixedly provided with a high-pressure ball valve and a high-pressure filter, the high-pressure ball valve and the high-pressure filter are located on one side of the reheater, one end of the reheater is fixedly provided with an electric heater, two ends of the first-stage pressure regulator are respectively provided with a first control ball valve and a second control ball valve, the second control ball valve is communicated with the first-stage buffer through the high-pressure gas inlet pipe, the first safety valve and the first pressure gauge are installed on the first-stage buffer, two ends of the second-stage pressure regulator are respectively provided with a third control ball valve and a fourth control ball valve, the fourth control ball valve is communicated with the second-stage buffer, and the second safety valve and the second pressure gauge are installed on the second-stage buffer.
Preferably, lifting lugs are fixedly welded at four corners of the top of the frame.
Preferably, the first pressure gauge and the second pressure gauge are respectively used for controlling the pressure of the primary buffer and the pressure of the secondary buffer and displaying pressure data.
Preferably, a water filling port is fixedly installed at the top of the reheater.
Preferably, an electric cabinet is fixedly installed inside one side of the frame, the electric cabinet is electrically connected with the electric heater, and the electric cabinet is used for controlling the electric heater to adjust the internal temperature of the reheater.
Preferably, the first-level buffer and the second-level buffer are fixedly connected with the frame through supporting rods, an outer cover is fixedly sleeved on the outer side of the frame, the outer cover is of a closed structure, and an acousto-optic alarm lamp is fixedly mounted inside the outer cover.
The embodiment of the utility model provides a have following advantage:
the CNG natural gas decompression metering device adopts a skid-mounted structure, is convenient to install and transport, is explosion-proof, sun-proof and rain-proof, achieves the use pressure of a client by multi-stage decompression of high-pressure gas, and can realize gas metering settlement through a flowmeter; this use is novel to provide the guarantee to the construction of gas turbine power plant, gas supply station, pressure regulating station, and the tolerance can be set for as required.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, proportion, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and the modification of any structure, the change of proportion relation or the adjustment of size all fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the purpose which can be achieved by the present invention.
Fig. 1 is a schematic view of the overall structure of the frame provided by the present invention;
fig. 2 is a front view provided by the present invention.
In the figure: the device comprises a high-pressure air inlet pipe 1, a high-pressure ball valve 2, a high-pressure filter 3, a reheater 4, a primary pressure regulator 5, an electric heater 6, a primary buffer 7, a secondary pressure regulator 8, a secondary buffer 9, an outlet filter 10, a flow meter 11, an outlet pipe 12, an outlet flange 13, an electric cabinet 14, a frame 15, an outer cover 16, a lifting lug 17, a control ball valve II 20, a control ball valve III 21, a control ball valve IV 22, a safety valve I23, a pressure gauge I24, a safety valve II 25, a pressure gauge II 26, a water filling port 27, a control ball valve I28 and an acousto-optic alarm lamp 30.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Referring to the attached drawings 1-2, the utility model provides a CNG (compressed natural gas) pressure regulating device, which comprises a high-pressure air inlet pipe 1, a reheater 4 and a frame 15, wherein the reheater 4 is fixedly arranged at the bottom of the frame 15, one end of the high-pressure air inlet pipe 1 penetrates through the reheater 4 and is fixedly connected with a primary pressure regulator 5, a primary buffer 7, a secondary pressure regulator 8, a secondary buffer 9, an outlet filter 10, an outlet pipe 12 and an outlet flange 13 in sequence, a flow meter 11 is fixedly arranged on the outlet pipe 12, and one end of the outlet flange 13 extends to the outside of one side of the frame 15;
the high-pressure air inlet pipe 1 is fixedly provided with a high-pressure ball valve 2 and a high-pressure filter 3, the high-pressure ball valve 2 and the high-pressure filter 3 are positioned on one side of a reheater 4, one end of the reheater 4 is fixedly provided with an electric heater 6, two ends of a primary pressure regulator 5 are respectively provided with a control ball valve I28 and a control ball valve II 20, the control ball valve II 20 is communicated with a primary buffer 7 through the high-pressure air inlet pipe 1, the primary buffer 7 is provided with a safety valve I23 and a pressure gauge I24, two ends of a secondary pressure regulator 8 are respectively provided with a control ball valve III 21 and a control ball valve IV 22, the control ball valve IV 22 is communicated with a secondary buffer 9, the secondary buffer 9 is provided with a safety valve II 25 and a pressure gauge II 26, and the pressure gauge I24 and the pressure gauge II 26 are respectively used for controlling the pressure of the primary buffer 7 and the secondary buffer 9 and displaying pressure data;
in this embodiment, this device is sled dress formula structure, and inside gas has if the trace to reveal, and acousto-optic alarm lamp 30 autoalarm warning when waiting to reach certain concentration all has the static cross-over connection at all connection parts, prevents that static from arousing the conflagration.
Wherein, in order to realize the purpose of being convenient for remove, this device adopts following technical scheme to realize: lifting lugs 17 are fixedly welded at four corners of the top of the frame 15, so that the whole utility model can be lifted by the lifting lugs 17, and the movement is convenient;
wherein, in order to realize the purpose of temperature control, this device adopts the following technical scheme to realize: the top of the reheater 4 is fixedly provided with a water filling port 27, the inside of one side of the frame 15 is fixedly provided with an electric control box 14, the electric control box 14 is electrically connected with the electric heater 6, the electric control box 14 is used for controlling the electric heater 6 to adjust the internal temperature of the reheater 4, and the electric control box 14 can monitor the internal temperature condition of the reheater 4 in real time;
wherein, in order to realize the purpose of protection, this device adopts following technical scheme to realize: one-level buffer 7 and second grade buffer 9 are all through bracing piece and 15 fixed connection of frame, and the fixed cover in the 15 outside of frame is equipped with dustcoat 16, and dustcoat 16 is closed structure, and 16 inside fixed mounting of dustcoat has acousto-optic warning lamp 30, and totally closed dustcoat 16 can effectively protect inside frame 15 and spare part, still is provided with around the dustcoat 16 to the door of opening, makes things convenient for the engineer to overhaul inside spare part.
The utility model discloses a use as follows: in use the utility model discloses the time, high-pressure intake pipe 1 is connected with outside gas filling pipe, open 2 gaseous back through the reheater 4 heating after high pressure filter 3 filters of high pressure ball valve, decompress high-pressure gas to the settlement pressure value by one-level voltage regulator 5, one-level voltage regulator 5 is equipped with relief valve and manometer, show instant pressure, relief valve automatic take-off exhaust and automatic re-setting when pressure exceeds the setting value, gas after the buffering gets into pipeline before the second grade, through the valve, second grade voltage regulator 8 continues to decompress to needs pressure, gas through decompression once more gets into second grade buffer 9, second grade buffer 9 is equipped with relief valve and manometer, show instant pressure, relief valve automatic take-off exhaust and automatic re-setting during the superpressure, gas after the second grade decompression gets into outlet pipe 12, through filtering, the measurement flows into customer and uses the pipeline, this device is sled dress formula structure, inside gas has the trace to reveal, acousto-optic warning lamp 30 automatic alarm warning when waiting to reach certain concentration, all connection positions all have the static cross-over connection, prevent that static from arousing the conflagration.
The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solutions described above. Therefore, any simple modifications or equivalent replacements made according to the technical solution of the present invention belong to the scope of the claimed invention as far as possible.
Claims (6)
1. The utility model provides a CNG natural gas pressure regulating device, includes high-pressure intake pipe (1), reheater (4) and frame (15), its characterized in that: the double-heater (4) is fixedly arranged at the bottom of the frame (15), one end of the high-pressure air inlet pipe (1) penetrates through the double-heater (4) and is fixedly connected with a primary pressure regulator (5), a primary buffer (7), a secondary pressure regulator (8), a secondary buffer (9), an outlet filter (10), an outlet pipe (12) and an outlet flange (13) in sequence, a flowmeter (11) is fixedly arranged on the outlet pipe (12), and one end of the outlet flange (13) extends to the outside of one side of the frame (15);
the high-pressure air inlet pipe (1) is fixedly provided with a high-pressure ball valve (2) and a high-pressure filter (3), the high-pressure ball valve (2) and the high-pressure filter (3) are located on one side of a reheater (4), one end of the reheater (4) is fixedly provided with an electric heater (6), two ends of a first-stage pressure regulator (5) are respectively provided with a first control ball valve (28) and a second control ball valve (20), the second control ball valve (20) is communicated with a first-stage buffer (7) through the high-pressure air inlet pipe (1), a first safety valve (23) and a first pressure gauge (24) are installed on the first-stage buffer (7), two ends of a second-stage pressure regulator (8) are respectively provided with a third control ball valve (21) and a fourth control ball valve (22), the fourth control ball valve (22) is communicated with the second-stage buffer (9), and the second safety valve (25) and the second pressure gauge (26) are installed on the second-stage buffer (9).
2. A CNG natural gas pressure regulating apparatus according to claim 1, wherein: lifting lugs (17) are fixedly welded at four corners of the top of the frame (15).
3. The natural gas pressure regulating device of CNG according to claim 1, wherein: the first pressure gauge (24) and the second pressure gauge (26) are respectively used for controlling the pressure of the primary buffer (7) and the secondary buffer (9) and displaying pressure data.
4. A CNG natural gas pressure regulating apparatus according to claim 1, wherein: and a water filling port (27) is fixedly arranged at the top of the reheater (4).
5. A CNG natural gas pressure regulating apparatus according to claim 1, wherein: an electric cabinet (14) is fixedly installed inside one side of the frame (15), the electric cabinet (14) is electrically connected with the electric heater (6), and the electric cabinet (14) is used for controlling the electric heater (6) to adjust the internal temperature of the reheater (4).
6. A CNG natural gas pressure regulating apparatus according to claim 1, wherein: one-level buffer (7) and second grade buffer (9) all are through bracing piece and frame (15) fixed connection, the fixed cover in frame (15) outside is equipped with dustcoat (16), dustcoat (16) are closed structure, dustcoat (16) inside fixed mounting has acousto-optic warning lamp (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221131201.1U CN217559573U (en) | 2022-05-11 | 2022-05-11 | CNG natural gas pressure regulating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221131201.1U CN217559573U (en) | 2022-05-11 | 2022-05-11 | CNG natural gas pressure regulating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217559573U true CN217559573U (en) | 2022-10-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221131201.1U Active CN217559573U (en) | 2022-05-11 | 2022-05-11 | CNG natural gas pressure regulating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217559573U (en) |
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2022
- 2022-05-11 CN CN202221131201.1U patent/CN217559573U/en active Active
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