CN207316474U - A kind of CNG decompression units - Google Patents
A kind of CNG decompression units Download PDFInfo
- Publication number
- CN207316474U CN207316474U CN201720966030.7U CN201720966030U CN207316474U CN 207316474 U CN207316474 U CN 207316474U CN 201720966030 U CN201720966030 U CN 201720966030U CN 207316474 U CN207316474 U CN 207316474U
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- Prior art keywords
- filter
- pressure regulator
- heat exchanger
- valve
- outlet
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Abstract
A kind of CNG decompression units, including base, filter one, filter two, stop valve, heat exchanger one, heat exchanger two, temperature, pressure table one, connecting tube, pressure regulator one, pipeline, temperature, pressure table two, partition plate, flowmeter, odorization machine, outlet, diffusion valve one, desorption tube one, pressure regulator two, desorption tube two, diffusion valve two, outer casing, combustible gas probe and inlet tube；The utility model have it is rational in infrastructure it is simple, production cost is low, easy for installation, multiple functional, improve the reliability and security of this decompression unit service life, filtering, the effect of decompression and the use of time.
Description
Technical field
Natural gas supply device field is the utility model is related to, especially a kind of CNG decompression units.
Background technology
CNG decompression metering sled be by compressed natural gas by CNG long-tube trailers by unloading gas, filtering, cut-out, heat exchange (two
It is more than level), pressure regulation, metering plus the process such as smelly, by suitable user using pressure natural gas transportation to user gas-fired equipment,
And existing CNG decompression units security is poor, and use in addition can not be adjusted during pressure regulation as needed.
Utility model content
The purpose of this utility model is that to solve the above-mentioned problems and provides a kind of CNG decompression units solve existing
CNG decompression unit securities it is poor, the problem of use in addition can not be adjusted during pressure regulation as needed.
To solve the above-mentioned problems, the utility model provides a kind of technical solution：A kind of CNG decompression units, its innovative point
It is：Further include base, filter one, filter two, stop valve, heat exchanger one, heat exchanger two, temperature, pressure table one, connection
Pipe, pressure regulator one, pipeline, temperature, pressure table two, partition plate, flowmeter, odorization machine, outlet, diffusion valve one, desorption tube one, adjust
Depressor two, desorption tube two, diffusion valve two, outer casing, combustible gas probe and inlet tube；The submounts are fixedly connected with
Outer casing；The outer casing inner right side is fixedly connected with partition plate；The filter one and filter two are fixedly connected on base
Upper left side of face, the entrance of the filter one and filter two are connected with the outlet of inlet tube respectively, one He of filter
The outlet of filter two is connected with the entrance of stop valve；The stop valve right-side outlet is connected with one entrance of heat exchanger；
One right-side outlet of heat exchanger is connected with one entrance of pressure regulator, and one right-side outlet of heat exchanger is also by connecting tube with adjusting
Two entrance of depressor is connected, at one right-side outlet of heat exchanger above be equipped with temperature, pressure table one；The pressure regulator one and tune
Depressor two is fixedly connected on submounts, and the outlet of pressure regulator one is connected with two right hand inlet port of heat exchanger, the pressure regulator
Diffusion valve two is equipped with above one exit；The diffusion valve two is communicated with the outside by desorption tube two；The heat exchanger two is left
Side outlet is connected with two left hand inlet port of pressure regulator；Two right-side outlet of pressure regulator is connected by pipeline with flowmeter entrance
It is logical；Diffusion valve one and temperature, pressure table two are respectively equipped with above the pipeline；The diffusion valve one passes through desorption tube one and outside
It is connected；The flowmeter is located on the right side of partition plate, and the flowmeter outlet is connected with odorization machine left hand inlet port；The odorization machine
Right-side outlet is connected with outlet；The combustible gas probe is located at upper left side inside outer casing.
Preferably, valve, the filter one and mistake are equipped with the entrance of the filter one and filter two
Filter two is blue formula filter.
Preferably, the heat exchange coil in the heat exchanger one and heat exchanger two is made by stainless steel seamless pipe.
Preferably, the pressure regulator one and pressure regulator two are self-supporting pressure regulator.
Preferably, valve is equipped with the connecting tube.
Preferably, the flow is calculated as gas turbine meter.
Preferably, being equipped with magnetic double level gauge in the odorization machine, and breather valve is equipped with above storage tank.
The beneficial effects of the utility model：The utility model have it is rational in infrastructure it is simple, production cost is low, easy for installation,
Outer casing that is multiple functional, setting here, effectively can protect the equipment of its inside, so as to improve this decompression unit
Service life, the filter one and filter two of setting, can effective protecting to downstream voltage adjusting device, and when using
Only needing to use one of them, another is spare, so as to improve the effect of filtering, sets valve in connecting tube here,
When inlet pressure is low, valve is directly opened, CNG can be directly entered pressure regulator two and pressure is dropped to without pressure regulator one
Desired value exports, so as to improve the effect and efficiency of decompression, sets heat exchanger one and heat exchanger two to be carried out in advance to CNG
Heat, so as to avoid dew condensation phenomenon, sets diffusion valve one and diffusion valve two, can be elevated by outlet pressure caused by non-faulting
Gas is discharged, and being cut off to avoid quick action emergency valve because of malfunction causes the pressure regulation road to cut off, so as to improve the use of time
Reliability and security.
Brief description of the drawings
For ease of explanation, the utility model is described in detail by following specific implementations and attached drawing.
Fig. 1 is the structure diagram of the utility model.
Fig. 2 is the structure diagram at the top of desorption tube.
1- bases；2- filters one；3- filters two；4- stop valves；5- heat exchangers one；6- heat exchangers two；7- temperature pressures
Power table one；8- connecting tubes；9- pressure regulators one；10- pipelines；11- temperature, pressures table two；12- partition plates；13- flowmeters；14- adds smelly
Machine；15- outlets；16- diffusion valves one；17- desorption tubes one；18- pressure regulators two；19- desorption tubes two；20- diffusion valves two；21-
Outer casing；22- combustible gas probes；23- inlet tubes.
Embodiment
As depicted in figs. 1 and 2, present embodiment uses following technical scheme：A kind of CNG decompression units, further include bottom
Seat 1, filter 1, filter 23, stop valve 4, heat exchanger 1, heat exchanger 26, temperature, pressure table 1, connecting tube 8, tune
Depressor 1, pipeline 10, temperature, pressure table 2 11, partition plate 12, flowmeter 13, odorization machine 14, outlet 15, diffusion valve 1, put
Separate tube 1, pressure regulator 2 18, desorption tube 2 19, diffusion valve 2 20, outer casing 21, combustible gas probe 22 and inlet tube
23；The base 1 is fixedly connected with outer casing 21 above；21 inner right side of outer casing is fixedly connected with partition plate 12；It is described
Filter 1 and filter 23 are fixedly connected on left side of face on base 1, the entrance point of the filter 1 and filter 23
Outlet not with inlet tube 23 is connected, and the entrance exported with stop valve 4 of the filter 1 and filter 23 is connected
It is logical；4 right-side outlet of stop valve is connected with one 5 entrance of heat exchanger；One 5 right-side outlet of heat exchanger and pressure regulator 1
Entrance is connected, and one 5 right-side outlet of heat exchanger is also connected by connecting tube 8 with 2 18 entrance of pressure regulator, the heat exchange
Temperature, pressure table 1 is equipped with above at one 5 right-side outlet of device；The pressure regulator 1 and pressure regulator 2 18 are fixedly connected on base 1
Above, the outlet of pressure regulator 1 is connected with 26 right hand inlet port of heat exchanger, is equipped with and puts above one 9 exit of pressure regulator
Dissipate valve 2 20；The diffusion valve 2 20 is communicated with the outside by desorption tube 2 19；26 left side outlet of heat exchanger and pressure regulation
2 18 left hand inlet port of device is connected；2 18 right-side outlet of pressure regulator is connected by pipeline 10 with 13 entrance of flowmeter；Institute
State pipeline 10 and be respectively equipped with diffusion valve 1 and temperature, pressure table 2 11 above；The diffusion valve 1 by desorption tube 1 with
Outside is connected；The flowmeter 13 is located at the right side of partition plate 12, and the outlet of flowmeter 13 is connected with 14 left hand inlet port of odorization machine
It is logical；14 right-side outlet of odorization machine is connected with outlet 15；The combustible gas probe 22 is located inside outer casing 21
Upper left side.
Wherein, valve, the filter 1 and filtering are equipped with the entrance of the filter 1 and filter 23
Device 23 is blue formula filter；Heat exchange coil in the heat exchanger 1 and heat exchanger 26 is made by stainless steel seamless pipe；
The pressure regulator 1 and pressure regulator 2 18 are self-supporting pressure regulator；Valve is equipped with the connecting tube 8；The flowmeter 13
For gas turbine meter；Magnetic double level gauge is equipped with the odorization machine 14, and breather valve is equipped with above storage tank.
The use state of the utility model is：The utility model have it is rational in infrastructure it is simple, production cost is low, installation side
Just, outer casing 21 that is multiple functional, setting here, effectively can protect the equipment of its inside, so as to improve this
Decompression unit service life, the filter 1 and filter 23 of setting, can effective protecting to downstream voltage adjusting device,
And only need to use one of them when using, another is spare, so that the effect of filtering is improved, here in connecting tube 8
Valve is set, when inlet pressure is low, directly opens valve, CNG can be directly entered pressure regulator two without pressure regulator 1
18 pressure drop to desired value output, so as to improve the effect and efficiency of decompression, set 26 energy of heat exchanger 1 and heat exchanger
It is enough that CNG is preheated, so as to avoid dew condensation phenomenon, diffusion valve 1 and diffusion valve 2 20 are set, non-faulting can be drawn
The elevated gas discharge of outlet pressure risen, being cut off to avoid quick action emergency valve because of malfunction causes the pressure regulation road to cut off, from
And improve the reliability and security of the use of time.
The advantages of basic principle and main feature and the utility model of the utility model has been shown and described above, one's own profession
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description
Simply illustrate the utility model principle, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
Various changes and modifications are had, these various changes and improvements fall within the scope of the claimed invention, the utility model
Claimed scope is defined by the appending claims and its equivalent thereof.
Claims (7)
- A kind of 1. CNG decompression units, it is characterised in that：Further include base (1), filter one (2), filter two (3), stop valve (4), heat exchanger one (5), heat exchanger two (6), temperature, pressure table one (7), connecting tube (8), pressure regulator one (9), pipeline (10), temperature Spend pressure gauge two (11), partition plate (12), flowmeter (13), odorization machine (14), outlet (15), diffusion valve one (16), desorption tube One (17), pressure regulator two (18), desorption tube two (19), diffusion valve two (20), outer casing (21), combustible gas probe (22) and Inlet tube (23)；The base (1) is fixedly connected with outer casing (21) above；Outer casing (21) inner right side is fixedly connected with partition plate (12)；The filter one (2) and filter two (3) are fixedly connected on left side of face on base (1), the filter one (2) and mistake Outlet of the entrance of filter two (3) respectively with inlet tube (23) is connected, and the filter one (2) and filter two (3) go out Entrance of the mouth with stop valve (4) is connected；Stop valve (4) right-side outlet is connected with heat exchanger one (5) entrance；Described one (5) right-side outlet of heat exchanger is connected with pressure regulator one (9) entrance, and described one (5) right-side outlet of heat exchanger is also Be connected by connecting tube (8) with pressure regulator two (18) entrance, at described one (5) right-side outlet of heat exchanger above be equipped with temperature pressure Power table one (7)；The pressure regulator one (9) and pressure regulator two (18) are fixedly connected on base (1) above, the pressure regulator one (9) outlet with Heat exchanger two (6) right hand inlet port is connected, and diffusion valve two (20) is equipped with above described one (9) exit of pressure regulator；The diffusion valve two (20) is communicated with the outside by desorption tube two (19)；Described two (6) left side outlet of heat exchanger is connected with pressure regulator two (18) left hand inlet port；Described two (18) right-side outlet of pressure regulator is connected by pipeline (10) with flowmeter (13) entrance；The pipeline (10) is respectively equipped with diffusion valve one (16) and temperature, pressure table two (11) above；The diffusion valve one (16) is communicated with the outside by desorption tube one (17)；The flowmeter (13) is located on the right side of partition plate (12), and flowmeter (13) outlet is connected with odorization machine (14) left hand inlet port It is logical；Odorization machine (14) right-side outlet is connected with outlet (15)；The combustible gas probe (22) is located at the internal upper left side of outer casing (21).
- 2. a kind of CNG decompression units according to claim 1, it is characterised in that the filter one (2) and filter two (3) valve is equipped with entrance, the filter one (2) and filter two (3) are blue formula filter.
- 3. a kind of CNG decompression units according to claim 1, it is characterised in that the heat exchanger one (5) and heat exchanger two (6) heat exchange coil in is made by stainless steel seamless pipe.
- 4. a kind of CNG decompression units according to claim 1, it is characterised in that the pressure regulator one (9) and pressure regulator two (18) it is self-supporting pressure regulator.
- 5. a kind of CNG decompression units according to claim 1, it is characterised in that be equipped with valve in the connecting tube (8).
- 6. a kind of CNG decompression units according to claim 1, it is characterised in that the flowmeter (13) is gas-turbine stream Gauge.
- 7. a kind of CNG decompression units according to claim 1, it is characterised in that be equipped with magnetic turning plate in the odorization machine (14) Liquid level gauge, and it is equipped with breather valve above storage tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720966030.7U CN207316474U (en) | 2017-08-04 | 2017-08-04 | A kind of CNG decompression units |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720966030.7U CN207316474U (en) | 2017-08-04 | 2017-08-04 | A kind of CNG decompression units |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207316474U true CN207316474U (en) | 2018-05-04 |
Family
ID=62434984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720966030.7U Expired - Fee Related CN207316474U (en) | 2017-08-04 | 2017-08-04 | A kind of CNG decompression units |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207316474U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021238165A1 (en) * | 2020-05-25 | 2021-12-02 | 太仓成和信精密科技有限公司 | Pressure regulating and metering device for industrial gas engineering pipeline system |
-
2017
- 2017-08-04 CN CN201720966030.7U patent/CN207316474U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021238165A1 (en) * | 2020-05-25 | 2021-12-02 | 太仓成和信精密科技有限公司 | Pressure regulating and metering device for industrial gas engineering pipeline system |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180504 Termination date: 20210804 |
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| CF01 | Termination of patent right due to non-payment of annual fee |