CN205191226U - Possesses gas pressure regulating system who detects stable transmission of atmospheric pressure - Google Patents
Possesses gas pressure regulating system who detects stable transmission of atmospheric pressure Download PDFInfo
- Publication number
- CN205191226U CN205191226U CN201520909245.6U CN201520909245U CN205191226U CN 205191226 U CN205191226 U CN 205191226U CN 201520909245 U CN201520909245 U CN 201520909245U CN 205191226 U CN205191226 U CN 205191226U
- Authority
- CN
- China
- Prior art keywords
- valve
- gas pressure
- cut
- screw rod
- gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Feeding And Controlling Fuel (AREA)
Abstract
The utility model discloses a possesses gas pressure regulating system who detects stable transmission of atmospheric pressure, its trip valve stable performance, the tripping device of inside can guarantee that the trip valve is not cut off by external shock's influence appearance mistake, also provides the reliable assurance for the precision that improves trip valve detection atmospheric pressure, to the trip valve, trip valve signal pipe has been changed in the current trip valve and the problem that directness and sensor portion branch are connected, firm zonulae occludens between signal pipe and the coupling, even the long -time back of using, it connects the position obscissions such as crack can not appear, the unstable condition in junction more can not appear, the leakproofness of atmospheric pressure has been guaranteed, can not influence the detection effect of sensor, be favorable to trip valve performance and life's extension, to whole gas pressure regulating system, just can guarantee to detect atmospheric pressure P2's stable transmission, be favorable to guaranteeing whole gas pressure regulating system's normal operating. (B, ) (sub /) (b)
Description
Technical field
The utility model relates to a kind of gas pressure regulating system, and especially a kind of possess the gas pressure regulating system detecting stable gas pressure transmission.
Background technique
Along with the change of China's energy resource structure and continuing to increase of environmental protection dynamics, the development and utilization of rock gas is made to obtain swift and violent development.Compressed natural gas is that well head rock gas or the laggard horizontal high voltage of pipe natural gas purification compression are stored and transport, arrives place to use, directly inputs pipe network supply all types of user through multi-stage heat exchanger, pressure regulation.Gas generally could finally will be used by user through the pressure regulation of regulator, and Gas Pressure Regulating Equipment is generally made up of several function module, as pressure governor realizes voltage regulation function; Filter realizes clean filtering function etc.; In recent years, because wideling popularize of the clean energy resourcies such as rock gas, Gas Pressure Regulating Equipment also obtains applying more widely, and therefore relevant departments also strengthen the supervision of the design of the type device, manufacture, use, make quality of product further be ensured and improve.The core component of fuel gas pressure-regulating box is gas pressure regulator, governor, is applicable to the gas of the different mediums such as rock gas, town gas, liquefied petroleum gas (LPG), mixed gas.
Gas safety cut-off valve is used for gas transmission and distribution system, and when the line pressure that cut-off valve controls is higher or lower than cut-out setting pressure, safety cut-off valve can emergency cut-off pipeline air-flow, protection upstream device.Cut-off valve is generally made up of closing element (as flap), driving element (as cut out spring), tripping mechanism, control unit (as Regulation spring, sensor diaphragm), manual reset element (as handle) etc.Cut-off valve is a kind of safety installations, the setting of cut-out pressure, being the decrement by changing Regulation spring, allowing the elastic force of spring compared with the air pressure (sending from pressure point) of sensor diaphragm opposite side, after exceeding the setting value of expection, cut-off valve cuts off automatically.General Requirements safety cut-off valve is except self having corresponding intensity, after the air pressure of pressure point exceedes the setting value of expection, it is also in demand that cut-off valve cuts off accurately, following situation is there will be: after the air pressure of pressure point is not normal when using because actual, cut-off valve does not cut off, or the air pressure of pressure point normal time, because cut-off valve is impacted or other external actions, occur cutting off by mistake.In existing cut-off valve, cut-off valve signal tube is directly connected with Sensor section, and after using a period of time, its connection part easily occurs crack, easily comes off; Due to the instability of joint, easily cause pressurized seal poor, affect the effect that sensor detects, affect cut-off valve performance and working life; Be unfavorable for whole voltage-regulating system work simultaneously; Therefore need to be improved.
Model utility content
The purpose of this utility model is to overcome the deficiencies in the prior art, there is provided a kind of at this and possess the gas pressure regulating system detecting stable gas pressure transmission, its cut-off valve stable performance, inner tripping mechanism can ensure that cut-off valve does not occur cutting off by the impact of external impact by mistake, and the precision also detecting air pressure for improving cut-off valve provides Reliable guarantee; For cut-off valve, changing cut-off valve signal tube in existing cut-off valve is the problem be directly connected with Sensor section, between signal tube with pipe joint, secure rigid is connected, after using even if long-time, its connection part there will not be the obscissions such as crack, more there will not be the situation of joint instability, ensure that the sealing of air pressure, the Detection results of sensor can not be affected, be conducive to the prolongation in cut-off valve performance and working life, for whole gas pressure regulating system, the stable transfer detecting air pressure P2 just can be ensured; Be conducive to the normal operation ensureing whole gas pressure regulating system.
The utility model realizes like this, construct a kind of gas pressure regulating system possessing the transmission of detection stable gas pressure, it is characterized in that: gas cut off valve, gas pressure regulator, governor, entrance sleeve, inlet ball valve, combustion gas output pipeline, vent ball valve, discharge connection and filter; Entrance sleeve is connected with filter through inlet ball valve, and filter is connected with gas cut off valve, and gas cut off valve is communicated with gas pressure regulator, governor simultaneously, and gas pressure regulator, governor is through combustion gas output pipeline and the adapter of vent ball valve connection outlet; Described entrance sleeve and discharge connection adopt following structure, and it comprises body and is placed in the fastening flange on body, and body bottom is welding shoulder, and loose flange is positioned on welding shoulder, and the end face of welding shoulder arranges seal ring;
Gas cut off valve comprises valve component, mangetic core assembly and tripping mechanism; Tripping mechanism, mangetic core assembly and valve component are interconnected, and the main valve clack in mangetic core assembly corresponds to the valve port in valve component; Tripping mechanism arranges handle, closedown spring is set in mangetic core assembly; Described tripping mechanism comprises thread off part and transducing part; Described transducing part comprises the induction cavity of screw rod, push rod, screw rod locknut, adjusting nut and rear end; The air pressure that induction cavity is corresponding detects in mouth and is provided with the pipe joint docked with signal tube; Pipe joint has outside trumpet-shaped step inner joint and outer end, arranges black box A and black box B between signal tube and the pipe joint docked; The outer installment fastener assembly that signal tube docks with pipe joint; Seal ring A is between signal tube, pipe joint and black box B, changing cut-off valve signal tube in existing cut-off valve is the problem be directly connected with Sensor section, between signal tube with pipe joint, secure rigid is connected, after using even if long-time, its connection part there will not be the obscissions such as crack, more there will not be the situation of joint instability, ensure that the sealing of air pressure, the Detection results of sensor can not be affected, be conducive to the prolongation in cut-off valve performance and working life.
Possess according to described in the utility model the gas pressure regulating system detecting stable gas pressure transmission, it is characterized in that: wherein dropout part comprises touches plate, bent plate, striker A, striker B, hook, dropout part; Screw rod is connected with push rod by screw rod locknut, and on screw rod, arrange nut A and nut B, and nut A and nut B lays respectively at the both sides of bent plate; Hook and dropout part are interlockingly connected, and hook arranges slide block assembly; Touch plate to be connected with dropout part, striker A and striker B lays respectively at the upper bottom of touching plate; Bent plate upper end corresponds to striker A, and bent plate lower end is connected with screw rod, and described screw rod corresponds to striker B.
The utility model has the advantage of: the utility model provides a kind of gas pressure regulating system possessing the transmission of detection stable gas pressure by improving at this, its cut-off valve stable performance, inner tripping mechanism can ensure that cut-off valve does not occur cutting off by the impact of external impact by mistake, and the precision also detecting air pressure for improving cut-off valve provides Reliable guarantee; For cut-off valve, changing cut-off valve signal tube in existing cut-off valve is the problem be directly connected with Sensor section, between signal tube with pipe joint, secure rigid is connected, after using even if long-time, its connection part there will not be the obscissions such as crack, more there will not be the situation of joint instability, ensure that the sealing of air pressure, the Detection results of sensor can not be affected, be conducive to the prolongation in cut-off valve performance and working life, for whole gas pressure regulating system, the stable transfer detecting air pressure P2 just can be ensured; Be conducive to the normal operation ensureing whole gas pressure regulating system.
Accompanying drawing explanation
Fig. 1 is the utility model overall structure schematic diagram
Fig. 2 is the utility model gas cut off valve schematic diagram
Fig. 3-4 is tripping mechanism schematic diagram described in the utility model
Fig. 5 is signal tube and pipe joint connection diagram in the utility model
Fig. 6 is the utility model pipe joint schematic diagram
Fig. 7 is close-up schematic view in Fig. 5
Fig. 8 is that in the utility model, inlet/outlet takes over corresponding schematic diagram
Wherein: gas cut off valve 100, gas pressure regulator, governor 200, entrance sleeve 300, inlet ball valve 400, combustion gas output pipeline 500, vent ball valve 600, discharge connection 700, filter 800, signal opens and closes valve 900, detects valve 1000,
Valve component 101, mangetic core assembly 102, tripping mechanism 103, handle 104, main valve clack 105, closes spring 106, spacing position; Put A107, restraining position B108, valve port 109, body 301, fastening flange 302, shoulder 303, loose flange 304, seal ring B305,
Touch plate 1, bent plate 2, striker A3, striker B4, hook 5, dropout part 6, screw rod 7, push rod 8, screw rod locknut 9, adjusting nut 10, nut A11, nut B12, slide block assembly 13, induction cavity 14, signal tube 15, pipe joint 16, pipe joint outside trumpet-shaped step inner joint 16a, outer end 16b, black box A17, black box B18, fastener assembly 19, seal ring A20.
Embodiment
Below in conjunction with accompanying drawing 1-8, the utility model is described in detail, technological scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
The utility model provides a kind of gas pressure regulating system possessing the transmission of detection stable gas pressure by improving, and as shown in figures 1 to 6, can be implemented in the following manner;
Comprise gas cut off valve 100, gas pressure regulator, governor 200, entrance sleeve 300, inlet ball valve 400, combustion gas output pipeline 500, vent ball valve 600, discharge connection 700 and filter 800; Entrance sleeve 300 is connected with filter 800 through inlet ball valve 400, filter 800 is connected with gas cut off valve 100, gas cut off valve 100 is communicated with gas pressure regulator, governor 200 simultaneously, and gas pressure regulator, governor 200 is through combustion gas output pipeline 500 and vent ball valve 600 connection outlet adapter 700; Described entrance sleeve 300 and discharge connection 700 adopt following structure, it comprises body 301 and is placed in the fastening flange 302 on body 301, body 301 bottom is welding shoulder 303, and loose flange 304 is positioned on welding shoulder 303, and the end face of welding shoulder 303 arranges seal ring B305; One, the entrance sleeve after improving and discharge connection, global design is reasonable, and compact structure, owing to being provided with special seal ring B, therefore effectively serves leakproof effect, and installs simple, and maintaining is convenient, has practicability widely.
Gas cut off valve 100 comprises valve component 101, mangetic core assembly 102 and tripping mechanism 103; Tripping mechanism 103, mangetic core assembly 102 and valve component 101 are interconnected, and the main valve clack 105 in mangetic core assembly 102 corresponds to the valve port 109 in valve component 101; Tripping mechanism 103 is arranged handle 104, arrange in mangetic core assembly 102 and close spring 106; Described tripping mechanism comprises thread off part and transducing part; Wherein dropout part comprises touches plate 1, bent plate 2, striker A3, striker B4, hook 5, dropout part 6; Described transducing part comprises the induction cavity 14 of screw rod 7, push rod 8, screw rod locknut 9, adjusting nut 10 and rear end; Screw rod 7 is connected with push rod 8 by screw rod locknut 9, and on screw rod 7, arrange nut A11 and nut B12, and nut A11 and nut B12 lays respectively at the both sides of bent plate 2; Hook 5 and dropout part 6 are interlockingly connected, and hook 5 arranges slide block assembly 13; Touch plate 1 to be connected with dropout part 6, striker A3 and striker B4 lays respectively at the upper bottom of touching plate 1; Bent plate 2 upper end corresponds to striker A3, and bent plate 2 lower end is connected with screw rod 7, and described screw rod 7 corresponds to striker B4.
The working principle of cut-off valve part: when the pressure being sent to film side in transducing part by pressure point is not normal, when exceeding (superpressure) or cut off setting value lower than (decompression), the position of bent plate or screw rod will change, thus touching striker A or striker B, thing tripping mechanism is threaded off, release main valve clack, main valve clack is under the effect of closing spring, move down rapidly, and fit tightly with valve port, the air-flow in cut-off valve.After cut-off valve cuts off, need the flap manually opening cut-off valve, handle rotates after being inserted in rotating shaft, can detain on whole tripping mechanism, makes the flap of cut-off valve be in opening state, continues to use.The air pressure of described induction cavity 14 correspondence detects in mouth and is provided with the pipe joint 16 docked with signal tube 15; Pipe joint 16 has outside trumpet-shaped step inner joint 16a and outer end 16b, arranges black box A17 and black box B18 between signal tube 15 and the pipe joint 16 docked; The outer installment fastener assembly 19 that signal tube 15 docks with pipe joint 16; Seal ring A20 is between signal tube 15, pipe joint 16 and black box B18; For cut-off valve, changing cut-off valve signal tube 15 in existing cut-off valve is the problems be directly connected with Sensor section, between signal tube 15 with pipe joint 16, secure rigid is connected, after using even if long-time, its connection part there will not be the obscissions such as crack, more there will not be the situation of joint instability, ensure that the sealing of air pressure, the Detection results of sensor can not be affected, be conducive to the prolongation in cut-off valve performance and working life; Be conducive to whole voltage-regulating system work simultaneously, for whole gas pressure regulating system, just can ensure the stable transfer detecting air pressure P2.
Aeration step: state before ventilation; Inlet/outlet valve closing (guaranteeing between inlet/outlet valve without air pressure);
The cut-out setting value of cut-off valve is through confirming; The force value (setting pressure of pressure governor) of cut-off valve monitoring confirms;
Aeration: start signal opens and closes valve; Close and detect valve; Cut-off valve is in closed condition; Slightly open inlet valve lentamente; By cut-off valve handle to opening direction slow circumvolve 10 degree, wait for that the inlet and outlet pressure of cut-off valve reaches balance;
Reset process: after cut-off valve cuts out for some reason, should check out the reason of superpressure or decompression, and after dealing with cut-off valve reason, need manually to open cut-off valve, step is as follows;
1, first slowly open inlet valve, before importing after pressure, close inlet/outlet valve;
2, detection valve is closed, opening signal pipe air intake valve;
3, pick up handle, the square hole of handle is inserted on the square shaft at tripping mechanism rear portion;
4, by handle to opening direction slow circumvolve 10 degree, wait for that the inlet and outlet pressure of cut-off valve reaches balance, observe pressure that cut-off valve monitors simultaneously whether in setting range, next step operation time normal, can be carried out;
5, be rotated further handle, open main valve clack, until tripping mechanism is detained, keep the opening state of main valve clack;
6, slowly inlet valve and outlet valve is opened.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (2)
1. possess the gas pressure regulating system detecting stable gas pressure transmission, it is characterized in that: gas cut off valve (100), gas pressure regulator, governor (200), entrance sleeve (300), inlet ball valve (400), combustion gas output pipeline (500), vent ball valve (600), discharge connection (700) and filter (800); Entrance sleeve (300) is connected with filter (800) through inlet ball valve (400), filter (800) is connected with gas cut off valve (100), gas cut off valve (100) is communicated with gas pressure regulator, governor (200) simultaneously, and gas pressure regulator, governor (200) is through combustion gas output pipeline (500) and vent ball valve (600) connection outlet adapter (700); Described entrance sleeve (300) and discharge connection (700) adopt following structure, it comprises body (301) and is placed in the fastening flange (302) on body (301), body (301) bottom is welding shoulder (303), loose flange (304) is positioned in welding shoulder (303), and the end face of welding shoulder (303) arranges seal ring B(305);
Described gas cut off valve comprises valve component (101), mangetic core assembly (102) and tripping mechanism (103); Tripping mechanism (103), mangetic core assembly (102) and valve component (101) are interconnected, and the main valve clack (105) in mangetic core assembly (102) is corresponding to the valve port (109) in valve component (101); Tripping mechanism (103) is arranged handle (104), arrange in mangetic core assembly (102) and close spring (106); Described tripping mechanism (103) comprises thread off part and transducing part; Described transducing part comprises the induction cavity (14) of screw rod (7), push rod (8), screw rod locknut (9), adjusting nut (10) and rear end; The air pressure that described induction cavity (14) is corresponding detects in mouth and is provided with the pipe joint (16) docked with signal tube (15); Pipe joint (16) has outside trumpet-shaped step inner joint (16a) and outer end (16b), arranges black box A(17 between signal tube (15) with the pipe joint docked (16)) and black box B(18); The outer installment fastener assembly (19) that signal tube (15) docks with pipe joint (16); Seal ring A(20) be positioned at signal tube (15), pipe joint (16) and black box B(18) between.
2. possess according to claim 1 detect stable gas pressure transmission gas pressure regulating system, it is characterized in that: wherein dropout part comprise touch plate (1), bent plate (2), striker A(3), striker B(4), hook (5), dropout part (6); Screw rod (7) is connected with push rod (8) by screw rod locknut (9), and arranges nut A(11 on screw rod (7)) and nut B(12), nut A(11) and nut B(12) lay respectively at the both sides of bent plate (2); Hook (5) and dropout part (6) are interlockingly connected, and hook (5) arranges slide block assembly (13); Touch plate (1) to be connected with dropout part (6), striker A(3) and striker B(4) lay respectively at the upper bottom of touching plate (1); Bent plate (2) upper end corresponds to striker A(3), bent plate (2) lower end is connected with screw rod (7), and described screw rod (7) is corresponding to striker B(4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520909245.6U CN205191226U (en) | 2015-11-16 | 2015-11-16 | Possesses gas pressure regulating system who detects stable transmission of atmospheric pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520909245.6U CN205191226U (en) | 2015-11-16 | 2015-11-16 | Possesses gas pressure regulating system who detects stable transmission of atmospheric pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205191226U true CN205191226U (en) | 2016-04-27 |
Family
ID=55784213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520909245.6U Expired - Fee Related CN205191226U (en) | 2015-11-16 | 2015-11-16 | Possesses gas pressure regulating system who detects stable transmission of atmospheric pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205191226U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105257988A (en) * | 2015-11-16 | 2016-01-20 | 乐山山鹰燃气输配控制技术有限公司 | Gas pressure regulation system with stable transmission of detection gas pressure |
| CN108180308A (en) * | 2018-01-29 | 2018-06-19 | 天津新科成套仪表有限公司 | A kind of middle compression ignition air pipe straight-through valve |
-
2015
- 2015-11-16 CN CN201520909245.6U patent/CN205191226U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105257988A (en) * | 2015-11-16 | 2016-01-20 | 乐山山鹰燃气输配控制技术有限公司 | Gas pressure regulation system with stable transmission of detection gas pressure |
| CN108180308A (en) * | 2018-01-29 | 2018-06-19 | 天津新科成套仪表有限公司 | A kind of middle compression ignition air pipe straight-through valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205191226U (en) | Possesses gas pressure regulating system who detects stable transmission of atmospheric pressure | |
| CN205782016U (en) | Gas Pressure Regulating Equipment | |
| CN105605267A (en) | Gas pressure regulator achieving direct action through spring load | |
| CN203797351U (en) | Fully-balanced gas pressure regulator system | |
| CN205350475U (en) | Spring load direct action formula gas pressure regulator | |
| CN105257988A (en) | Gas pressure regulation system with stable transmission of detection gas pressure | |
| CN205226584U (en) | Possess and detect stable transmission of atmospheric pressure and quick gas safety trip valve of threading off | |
| CN206192642U (en) | Pressure regulating box is with cutting off pressure test device | |
| CN215111288U (en) | Exhaust gas discharge pipeline air pressure balancing unit | |
| CN202521003U (en) | Gas pressure regulator | |
| CN209569545U (en) | A kind of reduced form building Gas Pressure Regulating Equipment | |
| CN204729927U (en) | Compact gas pressure-regulating box | |
| CN201417159Y (en) | Reverse ventilation prevention device for gas meter | |
| CN205190798U (en) | A trip gear for in gas safety trip valve | |
| CN204695122U (en) | Gas pressure regulating system | |
| CN204387429U (en) | Pipeline gas self closing stop valve | |
| CN208380547U (en) | Wellhead assembly is opened between gas well automation | |
| CN202510795U (en) | Gas filter | |
| CN203131189U (en) | Mechanical type full-automatic water-control air exhaust valve | |
| CN206943525U (en) | A kind of gas self-closing valve | |
| CN205226683U (en) | Gas pressure regulator signal pipe connection structure | |
| CN212693228U (en) | Remote automatic gas distribution system of pressure reducing valve | |
| CN203582030U (en) | Balance pipe | |
| CN203797352U (en) | Indirect action type gas pressure regulator system | |
| CN203272923U (en) | Novel adjustable clamping type valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20160427 Termination date: 20161116 |