CN203500849U - Equipment for reducing pressure of natural-gas cylinder - Google Patents
Equipment for reducing pressure of natural-gas cylinder Download PDFInfo
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- CN203500849U CN203500849U CN201320578878.4U CN201320578878U CN203500849U CN 203500849 U CN203500849 U CN 203500849U CN 201320578878 U CN201320578878 U CN 201320578878U CN 203500849 U CN203500849 U CN 203500849U
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- pressure
- gas
- decompressor
- equipment
- seal casinghousing
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Abstract
The utility model discloses equipment for reducing pressure of a natural-gas cylinder. The equipment comprises a pressure reducing device and a pressure adjusting device, wherein the pressure reducing device consists of one or more pressure reducers which are connected in series; the pressure reducer and the pressure adjuster are connected by a reducing joint which is internally provided with a hollow cavity; the hollow cavity is communicated with openings at the two ends of the reducing joint; the inner diameter of each opening is equal to the inner diameter of the hollow cavity; the outer walls of the two ends of the reducing joint are provided with threads, wherein the wall at one end is thicker than the wall at the other end; the two ends with different wall thicknesses are intersected at the middle position of the reducing joint, and a baffle is arranged at the intersecting position; internal threads are arranged on the inner wall of a gas outlet pipe of the pressure reducer, and internal threads are arranged on the inner wall of a gas inlet pipe of the pressure adjuster; external threads at one end of the reducing joint are in threaded connection with internal threads of the gas outlet pipe of the pressure reducer, and external threads at the other end of the reducing joint are in threaded connection with the internal threads of the gas inlet pipe of the pressure adjuster; the pressure reducer is an adjusting device which reduces high-pressure gas into low-pressure gas and keeps constant and stable pressure and flow of the output gas; the pressure adjuster is equipment which enables the gas at an outlet to keep specified pressure by automatically changing the gas flow of the adjusting valve. The equipment disclosed by the utility model has the advantages that the design is reasonable, and high-pressure natural gas can become stable low-pressure natural gas.
Description
Technical field
The utility model relates to the equipment of step-down, relates in particular to a kind of decompression device of natural gas bottle.
Background technique
Existing compressed natural gas bottle installing is standby is mainly compressed natural gas cylinder, two-stage pressure decompressor, and its shortcoming is: only have a decompressor, after decompressor two-stage decompression, pressure is far longer than rock gas commercial user working pressure; Compressed natural gas pressure in bottle is 20 MPas, be down to 0.02-0.25 MPa, and rock gas commercial user working pressure is 0.0025-0.003 MPa, if will, for rock gas commercial user, must again reduce the pressure of rock gas through reducer pressure.
Model utility content
The purpose of this utility model is to overcome, and a kind of reasonable in design, natural gas bottle decompression device that highpressure rock gas can be become to stable low pressure natural gas body is provided.
For solving the problems of the technologies described above, the technological scheme that the utility model adopts is: a kind of equipment for natural gas bottle step-down, comprises decompressor, pressure governor; Described decompressor is composed in series by a decompressor or a plurality of decompressor; Between described decompressor, pressure governor, by reducer union, connect; In described reducer union, establish hollow cavity, hollow cavity is communicated with reducer union two end openings, opening internal diameter equates with hollow cavity internal diameter, described reducer union two end outer walls are provided with screw thread, wherein one end wall thickness is greater than the other end wall thickness, two ends of different wall intersect at reducer union neutral position, intersection is provided with baffle plate, the suction tude inwall that the steam outlet pipe inwall of decompressor is provided with internal thread, pressure governor is provided with internal thread, described reducer union one end outside thread is threaded with decompressor steam outlet pipe internal thread, and the other end outside thread is threaded with pressure governor suction tude internal thread; Described decompressor is that pressurized gas are reduced to low-pressure gas, and kept pressure and the constant controlling device of stability of flow of output gas; Pressure governor is by the gas flow of automatic change modulating valve, to make to export the equipment of combustion gas maintenance authorized pressure.
All right, a kind of equipment for natural gas bottle step-down also comprises seal casinghousing, and decompressor, pressure governor are located in seal casinghousing, and decompressor suction tude, pressure governor steam outlet pipe are provided with outside seal casinghousing.
Further, be provided with apparatus for determination of gas in seal casinghousing, in apparatus for determination of gas energy the real time measure seal casinghousing, gas ingredients changes.
Further, in seal casinghousing, be provided with air pressure analyzer, the gas variation of calming the anger in air pressure analyzer energy the real time measure seal casinghousing.
A kind of equipment for natural gas bottle step-down that the utility model provides, decompression by decompressor, pressure governor makes the high pressure of rock gas reduce to stable low pressure, the series connection of decompressor of decompressor or a plurality of decompressor can combination in any, complete the low pressure for setting high pressure air pressure drop, reducer union outside thread connects decompressor steam outlet pipe internal thread and the pressure governor suction tude internal thread of decompressor, can improve Security.
Decompressor, pressure governor are located in seal casinghousing, and a plurality of equipment is summarized in a housing, make equipment seem more attractive in appearance, use more convenient.
Whether in seal casinghousing, be provided with apparatus for determination of gas, in apparatus for determination of gas energy the real time measure seal casinghousing, gas ingredients changes, by measuring the variation of gas ingredients in seal casinghousing, with sensing equipment, leak gas.
In seal casinghousing, be provided with air pressure analyzer, whether gas variations of calming the anger, by the variation of gas pressure in mensuration seal casinghousing, leak gas with sensing equipment in air pressure analyzer energy the real time measure seal casinghousing.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail:
Accompanying drawing 1 is the utility model use state reference map.
Accompanying drawing 2 is reducer union A-A sectional schematic diagram of the present utility model.
Decompressor 1, pressure governor 2, reducer union 3, hollow cavity 31, one end 32, the other end 33, baffle plate 34, seal casinghousing 4, air pressure analyzer 5, regulating handle 6, high pressure index gauge 7, low pressure index gauge 8, safety valve 9, steel bottle filled with compressed natural gas 10, bat-handle switch 11, apparatus for determination of gas 12 in figure.
Embodiment
As shown in Figure 1 and Figure 2, a kind of equipment for natural gas bottle step-down comprises decompressor, pressure governor 2, described decompressor is a decompressor 1, and decompressor 1 is two-stage pressure decompressor, between described decompressor 1, pressure governor 2, by reducer union 3, connect, in described reducer union 3, establish hollow cavity 31, hollow cavity 31 and reducer union one end 32 opening a, the other end 33 opening b are communicated with, opening a, opening b internal diameter equates with hollow cavity 31 internal diameters, described reducer union one end 32, the other end 33 outer walls are provided with screw thread, wherein one end 32 wall thickness are greater than the other end 33 wall thickness, one end 32 of different wall, the other end 33 intersects at reducer union 3 neutral positions, intersection is provided with baffle plate 34, the steam outlet pipe inwall of decompressor 2 is provided with internal thread, the suction tude inwall of pressure governor 2 is provided with internal thread, described reducer union 3 one end 32 outside threads are threaded with decompressor 1 steam outlet pipe internal thread, the other end 33 outside threads are threaded with pressure governor 2 suction tude internal threads, described decompressor 1 is that pressurized gas are reduced to low-pressure gas, and kept pressure and the constant controlling device of stability of flow of output gas, pressure governor 2 is by the gas flow of automatic change modulating valve, to make to export the equipment of combustion gas maintenance authorized pressure, two-stage pressure decompressor is provided with regulating handle 6, high pressure index gauge 7, low pressure index gauge 8, safety valve 9, steel bottle filled with compressed natural gas 10 comprises bat-handle switch 11, and decompressor 1 suction tude is communicated with steel bottle filled with compressed natural gas 10.
As shown in Fig. 3, Fig. 2, a kind of equipment for natural gas bottle step-down comprises decompressor, pressure governor 2, seal casinghousing 4, described decompressor is a decompressor 1, and decompressor 1 is two-stage pressure decompressor, between described decompressor 1, pressure governor 2, by reducer union 3, connect, decompressor 1, pressure governor 2 are located in seal casinghousing 4, and decompressor 1 suction tude, pressure governor 2 steam outlet pipes are provided with outside seal casinghousing 4, in seal casinghousing 4, be provided with apparatus for determination of gas 12, apparatus for determination of gas 12 can change by the interior gas ingredients of the real time measure seal casinghousing 4, in seal casinghousing 4, be provided with air pressure analyzer 5, air pressure analyzer 5 variation of can the real time measure seal casinghousing 4 interior gases calming the anger, in described reducer union 3, establish hollow cavity 31, hollow cavity 31 is communicated with the reducer union one end 32 opening a the other end 33 opening b, opening a, opening b internal diameter equates with hollow cavity 31 internal diameters, described reducer union one end 32, the other end 33 outer walls are provided with screw thread, wherein one end 32 wall thickness are greater than the other end 33 wall thickness, one end 32 of different wall, the other end 33 intersects at reducer union 3 neutral positions, intersection is provided with baffle plate 34, the steam outlet pipe inwall of decompressor 1 is provided with internal thread, the suction tude inwall of pressure governor 2 is provided with internal thread, described reducer union 3 one end 32 outside threads are threaded with decompressor 1 steam outlet pipe internal thread, the other end 33 outside threads are threaded with pressure governor 2 suction tude internal threads, described decompressor 1 is that pressurized gas are reduced to low-pressure gas, and kept pressure and the constant controlling device of stability of flow of output gas, pressure governor 2 is by the gas flow of automatic change modulating valve, to make to export the equipment of combustion gas maintenance authorized pressure, two-stage pressure decompressor is provided with regulating handle 6, high pressure index gauge 7, low pressure index gauge 8, safety valve 9, steel bottle filled with compressed natural gas 10 comprises bat-handle switch 11, and decompressor 1 suction tude is communicated with steel bottle filled with compressed natural gas 10.
Priority scheme also comprises, a plurality of decompressors 1 are composed in series decompressor.
Working principle: as Fig. 1, scheme shown in 2, commercial user's kitchen range pipeline is connected with pressure governor 2 steam outlet pipes, decompressor 1 suction tude and steel bottle filled with compressed natural gas 10 join, regulate decompressor 1(two-stage pressure decompressor) regulating handle 6 unscrew counterclockwise to spring and be not stressed, slowly the paramount pressure index gauge 7 of rotatable handle switch 11 indicates storage pressure completely again, now rock gas enters two-stage pressure decompressor from steel bottle filled with compressed natural gas 10, adjustment before first order delivery pressure dispatches from the factory, can only regulate secondary delivery pressure by rotating regulating handle 6, by low pressure index gauge 8 indication secondary delivery pressure situations of change, if delivery pressure is excessive, safety valve 9 is opened exhaust pressure relief automatically, because the pressure regulation range of two-stage pressure decompressor is 0.02-0.25 MPa, the inlet pressure of pressure governor 2 is set to 0.005-0.15 MPa, the pressure that rock gas goes out two-stage pressure decompressor is adjusted to 0.02-0.15 MPa, by reducer union 3, enter pressure governor 2 again, pressure governor 2 outlet pressures are 0.001-0.003 MPa, outlet pressure regulation range is little.
Scheme as shown in Figure 2,3, opens bat-handle switch 11 rock gases and enters decompressor 1 from steel bottle filled with compressed natural gas 10, the air pressure in the air pressure analyzer 5 on seal casinghousing 4, apparatus for determination of gas 12 the real time measure seal casinghousings 4
Gas ingredients changes, and to detect, whether is pressed in gas leakage.
Structure in this example is only for for the illustrating and explaining of claim, so that popular reading comprehension should not be considered as the restriction for claim, scope and legal equivalent feature that protection domain of the present utility model should be recorded with claim are as the criterion.
Claims (4)
1. for an equipment for natural gas bottle step-down, it is characterized in that: described equipment comprises decompressor, pressure governor; Described decompressor is composed in series by a decompressor or a plurality of decompressor; Between described decompressor, pressure governor, by reducer union, connect; In described reducer union, establish hollow cavity, hollow cavity is communicated with reducer union two end openings, opening internal diameter equates with hollow cavity internal diameter, described reducer union two end outer walls are provided with screw thread, wherein one end wall thickness is greater than the other end wall thickness, two ends of different wall intersect at reducer union neutral position, intersection is provided with baffle plate, the suction tude inwall that the steam outlet pipe inwall of decompressor is provided with internal thread, pressure governor is provided with internal thread, described reducer union one end outside thread is threaded with decompressor steam outlet pipe internal thread, and the other end outside thread is threaded with pressure governor suction tude internal thread; Described decompressor is that pressurized gas are reduced to low-pressure gas, and kept pressure and the constant controlling device of stability of flow of output gas; Pressure governor is by the gas flow of automatic change modulating valve, to make to export the equipment of combustion gas maintenance authorized pressure.
2. a kind of equipment for natural gas bottle step-down according to claim 1, is characterized in that: described equipment also comprises seal casinghousing, and decompressor, pressure governor are located in seal casinghousing, and decompressor suction tude, pressure governor steam outlet pipe are provided with outside seal casinghousing.
3. a kind of equipment for natural gas bottle step-down according to claim 2, is characterized in that: in described seal casinghousing, be provided with apparatus for determination of gas, in apparatus for determination of gas energy the real time measure seal casinghousing, gas ingredients changes.
4. a kind of equipment for natural gas bottle step-down according to claim 2, is characterized in that: in described seal casinghousing, be provided with air pressure analyzer, the gas variation of calming the anger in air pressure analyzer energy the real time measure seal casinghousing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320578878.4U CN203500849U (en) | 2013-09-18 | 2013-09-18 | Equipment for reducing pressure of natural-gas cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320578878.4U CN203500849U (en) | 2013-09-18 | 2013-09-18 | Equipment for reducing pressure of natural-gas cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203500849U true CN203500849U (en) | 2014-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320578878.4U Expired - Fee Related CN203500849U (en) | 2013-09-18 | 2013-09-18 | Equipment for reducing pressure of natural-gas cylinder |
Country Status (1)
| Country | Link |
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| CN (1) | CN203500849U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105673920A (en) * | 2016-04-19 | 2016-06-15 | 宁波市江北兴达焊割减压仪表厂 | High-durability pressure reducer |
| CN105697861A (en) * | 2016-04-19 | 2016-06-22 | 宁波市江北兴达焊割减压仪表厂 | High-durability pressure reducer |
| CN105715951A (en) * | 2016-04-19 | 2016-06-29 | 宁波市江北兴达焊割减压仪表厂 | Pressure reducer used for decreasing deflation speed of gas cylinder |
| CN105805537A (en) * | 2016-04-19 | 2016-07-27 | 宁波市江北兴达焊割减压仪表厂 | Safe pressure reducer |
| CN105840984A (en) * | 2016-04-19 | 2016-08-10 | 宁波市江北兴达焊割减压仪表厂 | Pressure reduction device with safety protection function |
| CN105927780A (en) * | 2016-04-19 | 2016-09-07 | 宁波市江北兴达焊割减压仪表厂 | Pressure reducer |
-
2013
- 2013-09-18 CN CN201320578878.4U patent/CN203500849U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105673920A (en) * | 2016-04-19 | 2016-06-15 | 宁波市江北兴达焊割减压仪表厂 | High-durability pressure reducer |
| CN105697861A (en) * | 2016-04-19 | 2016-06-22 | 宁波市江北兴达焊割减压仪表厂 | High-durability pressure reducer |
| CN105715951A (en) * | 2016-04-19 | 2016-06-29 | 宁波市江北兴达焊割减压仪表厂 | Pressure reducer used for decreasing deflation speed of gas cylinder |
| CN105805537A (en) * | 2016-04-19 | 2016-07-27 | 宁波市江北兴达焊割减压仪表厂 | Safe pressure reducer |
| CN105840984A (en) * | 2016-04-19 | 2016-08-10 | 宁波市江北兴达焊割减压仪表厂 | Pressure reduction device with safety protection function |
| CN105927780A (en) * | 2016-04-19 | 2016-09-07 | 宁波市江北兴达焊割减压仪表厂 | Pressure reducer |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140326 Termination date: 20170918 |