CN203907205U - CNG (compressed natural gas) parallel type integrated preference automatic sequence control cabinet - Google Patents
CNG (compressed natural gas) parallel type integrated preference automatic sequence control cabinet Download PDFInfo
- Publication number
- CN203907205U CN203907205U CN201420329418.2U CN201420329418U CN203907205U CN 203907205 U CN203907205 U CN 203907205U CN 201420329418 U CN201420329418 U CN 201420329418U CN 203907205 U CN203907205 U CN 203907205U
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- Prior art keywords
- valve
- pipeline
- parallel
- needle
- control cabinet
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Links
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title abstract 4
- 239000003345 natural gas Substances 0.000 title abstract 2
- 238000009792 diffusion process Methods 0.000 claims description 24
- 238000007599 discharging Methods 0.000 claims description 18
- 239000007789 gas Substances 0.000 abstract 7
- 238000007664 blowing Methods 0.000 abstract 1
- 238000007689 inspection Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Pipeline Systems (AREA)
Abstract
The utility model discloses a CNG (compressed natural gas) parallel type integrated preference automatic sequence control cabinet which comprises a cabinet, and a straight filling pipeline and at least one sequential gas filling pipeline which are arranged in the cabinet in parallel, or comprises a cabinet, and at least two sequential gas filling pipelines arranged in the cabinet in parallel, wherein a check valve, a ball valve and a gas storage device connector are connected in series with the straight filling pipeline in sequence, and a ball valve, a sequence valve, a check valve and a gas storage device connector are connected in series with each sequential gas filling pipeline; a needle valve, a blow off valve, a blow off outlet and a pressure meter are also arranged on the straight filling pipeline; a needle valve, a blow off valve, a blow off outlet, a pressure meter and a safety valve are also arranged on each sequential gas filling pipeline. When the pressure meters need to be checked, the normal work of the control cabinet is not affected; during repairing, automatic safe blowing off can be realized, and energy is saved; when the working pressure of the sequential gas filling pipelines exceeds the limit, the CNG parallel type integrated preference automatic sequence control cabinet can automatically and safely release pressure.
Description
Technical field
The utility model relates to gas inflated control technique field, is specifically related to the parallel automatic sequence control cabinet of a kind of CNG.
Background technique
The parallel automatic inflating control cabinet of CNG, its function is that the rock gas after compression is sent into caisson.The parallel automatic inflating control cabinet of CNG generally includes one or three sequential inflation pipelines that pressure is different, in the time that sequential inflation pipeline only has one, pipeline is directly filled in one of parallel connection simultaneously, in the time that sequential inflation pipeline is arranged in parallel for two or more, directly fills pipeline and can select as required to arrange.When the gas pressure that compressor is discharged reaches the pressure of high pressure sequential inflation pipeline setting, with regard to the sequence control valve of preferentially opening on high pressure sequential inflation pipeline, high-pressure well (bottle) group is inflated, next is that sequence control valve centering kill-job (bottle) group of opening on middle pressure sequential inflation pipeline while reaching middle pressure sequential inflation pipeline setting pressure is inflated, the sequence control valve of just opening on low pressure sequential inflation pipeline while finally reaching low pressure sequential inflation pipeline setting pressure is inflated low pressure well (bottle), thereby realizing compressor presses high to gas storage well (bottle) group, in, the object that low priority is inflated successively.
The parallel automatic inflating control cabinet of existing CNG, can realize automatic sequence ventilating control, but also there is the narrow limitation of some: (1) high, medium and low voltage or directly fill in arbitrary pipeline need to school when pressure gauge, for avoiding inflation line gas leakage, all need to close whole control cabinet, normally work thereby affected gas station; (2) occur leaking need to overhaul time, the residual gas in whole control cabinet all need to be diffused, waste energy; (3) in the time that sequential inflation pipeline working pressure transfinites, do not possess automatic safe decompression function, form certain potential safety hazard.
Model utility content
The utility model aims to provide the parallel automatic inflating control cabinet of a kind of multi-functional CNG, in the time that pressure gauge needs school inspection, does not affect the normal work of control cabinet; When maintenance, can diffuse safely voluntarily energy saving; In the time that the working pressure of sequential inflation pipeline transfinites, can automatic safe pressure release.
For solving above technical problem, the first technological scheme adopting is: the parallel integrated preferential automatic sequence control cabinet of a kind of CNG, comprise rack (1), and of being arranged in parallel in described rack (1) directly fills pipeline (I) and at least one sequential inflation pipeline (II), described directly filling is in series with one-way valve (4) successively on pipeline (I), ball valve (2) and caisson interface (9), on described sequential inflation pipeline (II), be in series with successively ball valve (2), sequence valve (3), one-way valve (4), ball valve (2) and caisson interface (9), key is:
On pipeline between described one-way valve (4) and the ball valve (2) that directly fills pipeline (I), be connected to the first branched pipe (III), on described the first branched pipe (III), be in series with successively needle-valve (5), diffusion valve (8) and discharging opening (10), the pipeline between needle-valve (5) and diffusion valve (8) is connected with pressure gauge (6) by other pipeline;
On pipeline between the one-way valve (4) of described sequential inflation pipeline (II) and with it adjacent ball valve (2), be connected to the second branched pipe (IV), on described the second branched pipe (IV), be in series with successively needle-valve (5), diffusion valve (8) and discharging opening (10), pipeline between this needle-valve (5) and diffusion valve (8) is connected with corresponding pressure gauge (6) by other pipeline, and is parallel with safety valve (7) on the pipeline between this needle-valve (5) and discharging opening (10).
The second technological scheme is: the parallel integrated preferential automatic sequence control cabinet of a kind of CNG, comprise rack (1), and be arranged in parallel at least two the sequential inflation pipelines (II) in described rack (1), on described sequential inflation pipeline (II), be in series with successively ball valve (2), sequence valve (3), one-way valve (4), ball valve (2) and caisson interface (9), key is: on the pipeline between the one-way valve (4) of described sequential inflation pipeline (II) and with it adjacent ball valve (2), be connected to the second branched pipe (IV), on described the second branched pipe (IV), be in series with successively needle-valve (5), diffusion valve (8) and discharging opening (10), pipeline between this needle-valve (5) and diffusion valve (8) is connected with corresponding pressure gauge (6) by other pipeline, and be parallel with safety valve (7) on the pipeline between this needle-valve (5) and discharging opening (10).
The beneficial effects of the utility model:
(1) in the time that pressure gauge needs school inspection, only need to close needle-valve, not affect the normal work of control cabinet;
(2) newly-increased diffusion valve, can diffuse safely when maintenance voluntarily, and the gas diffusing is only the gas in branched pipe, energy saving;
(3) on sequential inflation pipeline, increased safety valve, can automatic safe pressure release in the time that working pressure transfinites, safety and reliability;
(4) diffusion valve is connected on branched pipe, does not need to arrange separately diffusion valve scaffold support, has saved cost;
(5) design and arrange more reasonable, compact, science;
(6) install, overhaul more convenient, more can save installation cost.
Brief description of the drawings
Fig. 1 is the first structural representation of the present utility model.
Fig. 2 is the second structural representation of the present utility model.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail:
Embodiment 1:
The parallel integrated preferential automatic sequence control cabinet of CNG as shown in Figure 1, by rack 1, and is arranged in parallel that in rack 1 one directly fills pipeline I and three sequential inflation pipeline II form.Article three, the inflation pressure of sequential inflation pipeline II is different, is respectively high, medium and low voltage inflation line.Directly fill in pipeline I and be in series with successively one-way valve 4, ball valve 2 and caisson interface 9, in sequential inflation pipeline II, be in series with successively ball valve 2, sequence valve 3, one-way valve 4, ball valve 2 and caisson interface 9.The above is consistent with the parallel automatic sequence control cabinet of CNG that traditional band directly fills pipeline and sequential inflation pipeline, does not repeat them here.
Difference is: directly fill on the pipeline between one-way valve 4 and the ball valve 2 of pipeline I and be connected to the first branched pipe III, in the first branched pipe III, be in series with successively needle-valve 5, diffusion valve 8 and discharging opening 10, the pipeline between needle-valve 5 and diffusion valve 8 is connected with pressure gauge 6 by other pipeline.Directly fill and in pipeline I, be provided with separately needle-valve 5, diffusion valve 8, discharging opening 10 and pressure gauge 6.
On pipeline between the one-way valve 4 of every sequential inflation pipeline II and with it adjacent ball valve 2, be connected to the second branched pipe IV, in the second branched pipe IV, be in series with successively needle-valve 5, diffusion valve 8 and discharging opening 10, pipeline between this needle-valve 5 and diffusion valve 8 is connected with corresponding pressure gauge 6 by other pipeline, and is parallel with safety valve 7 on the pipeline between this needle-valve 5 and discharging opening 10.Be to be provided with separately needle-valve 5, diffusion valve 8, discharging opening 10, pressure gauge 6 and safety valve 7 in every sequential inflation pipeline II.Article three, sequential inflation pipeline II arrange identical, in every sequential inflation pipeline II, be provided with safety valve 7, in the time that working pressure transfinites, to the pressure release of corresponding sequential inflation pipeline, and directly fill the problem that pipeline I does not exist working pressure to transfinite, therefore do not need to arrange safety valve.
The sequential inflation pipeline II being arranged in rack 1 is not limited to three, also can be two, but is at least one.
Embodiment 2:
The parallel integrated preferential automatic sequence control cabinet of CNG as shown in Figure 2, by rack 1, and is arranged in parallel in interior three the sequential inflation pipeline II formation of rack 1.Article three, the inflation pressure of sequential inflation pipeline II is different, is respectively high, medium and low voltage inflation line, but arranging of three sequential inflation pipeline II is identical.The above is consistent with traditional parallel automatic sequence control cabinet of the not CNG with directly filling pipeline, does not repeat them here.
Difference is: on the pipeline between the one-way valve 4 of every sequential inflation pipeline II and with it adjacent ball valve 2, be connected to the second branched pipe IV, in the second branched pipe IV, be in series with successively needle-valve 5, diffusion valve 8 and discharging opening 10, pipeline between this needle-valve 5 and diffusion valve 8 is connected with corresponding pressure gauge 6 by other pipeline, and is parallel with safety valve 7 on the pipeline between this needle-valve 5 and discharging opening 10.Be to be provided with separately needle-valve 5, diffusion valve 8, discharging opening 10, pressure gauge 6 and safety valve 7 in every sequential inflation pipeline II.In every sequential inflation pipeline II, safety valve 7 is all set, in the time that working pressure transfinites to the pressure release of corresponding sequential inflation pipeline.
The sequential inflation pipeline II being arranged in rack 1 is not limited to three, but is at least two.
Claims (4)
1. the parallel integrated preferential automatic sequence control cabinet of CNG, comprise rack (1), and of being arranged in parallel in described rack (1) directly fills pipeline (I) and at least one sequential inflation pipeline (II), described directly filling is in series with one-way valve (4), ball valve (2) and caisson interface (9) successively on pipeline (I), on described sequential inflation pipeline (II), be in series with successively ball valve (2), sequence valve (3), one-way valve (4), ball valve (2) and caisson interface (9), it is characterized in that:
On pipeline between described one-way valve (4) and the ball valve (2) that directly fills pipeline (I), be connected to the first branched pipe (III), on described the first branched pipe (III), be in series with successively needle-valve (5), diffusion valve (8) and discharging opening (10), the pipeline between needle-valve (5) and diffusion valve (8) is connected with pressure gauge (6) by other pipeline;
On pipeline between the one-way valve (4) of described sequential inflation pipeline (II) and with it adjacent ball valve (2), be connected to the second branched pipe (IV), on described the second branched pipe (IV), be in series with successively needle-valve (5), diffusion valve (8) and discharging opening (10), pipeline between this needle-valve (5) and diffusion valve (8) is connected with corresponding pressure gauge (6) by other pipeline, and is parallel with safety valve (7) on the pipeline between this needle-valve (5) and discharging opening (10).
2. according to the parallel integrated preferential automatic sequence control cabinet of CNG claimed in claim 1, it is characterized in that: be arranged on totally three of the interior sequential inflation pipelines (II) of described rack (1), be respectively high, medium and low voltage inflation line, inflation pressure is different.
3. the parallel integrated preferential automatic sequence control cabinet of CNG, comprise rack (1), and be arranged in parallel at least two the sequential inflation pipelines (II) in described rack (1), on described sequential inflation pipeline (II), be in series with successively ball valve (2), sequence valve (3), one-way valve (4), ball valve (2) and caisson interface (9), it is characterized in that: on the pipeline between the one-way valve (4) of described sequential inflation pipeline (II) and with it adjacent ball valve (2), be connected to the second branched pipe (IV), on described the second branched pipe (IV), be in series with successively needle-valve (5), diffusion valve (8) and discharging opening (10), pipeline between this needle-valve (5) and diffusion valve (8) is connected with corresponding pressure gauge (6) by other pipeline, and be parallel with safety valve (7) on the pipeline between this needle-valve (5) and discharging opening (10).
4. according to the parallel integrated preferential automatic sequence control cabinet of CNG claimed in claim 3, it is characterized in that: be arranged on totally three of the interior sequential inflation pipelines (II) of described rack (1), be respectively high, medium and low voltage inflation line, inflation pressure is different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420329418.2U CN203907205U (en) | 2014-06-19 | 2014-06-19 | CNG (compressed natural gas) parallel type integrated preference automatic sequence control cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420329418.2U CN203907205U (en) | 2014-06-19 | 2014-06-19 | CNG (compressed natural gas) parallel type integrated preference automatic sequence control cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203907205U true CN203907205U (en) | 2014-10-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420329418.2U Expired - Lifetime CN203907205U (en) | 2014-06-19 | 2014-06-19 | CNG (compressed natural gas) parallel type integrated preference automatic sequence control cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203907205U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107575735A (en) * | 2017-09-21 | 2018-01-12 | 成都华气厚普机电设备股份有限公司 | Automatic control system and control method with hydrogen recovery function hydrogenation plant |
| CN107575736A (en) * | 2017-09-21 | 2018-01-12 | 成都华气厚普机电设备股份有限公司 | A kind of control method of band remnants hydrogen diffusion function hydrogenation plant |
| WO2018094705A1 (en) * | 2016-11-25 | 2018-05-31 | 安徽理工大学 | Hydraulic support frame, and hydraulic support control method |
-
2014
- 2014-06-19 CN CN201420329418.2U patent/CN203907205U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018094705A1 (en) * | 2016-11-25 | 2018-05-31 | 安徽理工大学 | Hydraulic support frame, and hydraulic support control method |
| CN107575735A (en) * | 2017-09-21 | 2018-01-12 | 成都华气厚普机电设备股份有限公司 | Automatic control system and control method with hydrogen recovery function hydrogenation plant |
| CN107575736A (en) * | 2017-09-21 | 2018-01-12 | 成都华气厚普机电设备股份有限公司 | A kind of control method of band remnants hydrogen diffusion function hydrogenation plant |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141029 |