CN219933738U - Gas pressure regulating box convenient to overhaul - Google Patents
Gas pressure regulating box convenient to overhaul Download PDFInfo
- Publication number
- CN219933738U CN219933738U CN202321246040.5U CN202321246040U CN219933738U CN 219933738 U CN219933738 U CN 219933738U CN 202321246040 U CN202321246040 U CN 202321246040U CN 219933738 U CN219933738 U CN 219933738U
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- CN
- China
- Prior art keywords
- pipe
- bypass
- pressure regulating
- overhaul
- gas pressure
- 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.)
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- 230000001105 regulatory effect Effects 0.000 title claims abstract description 21
- 239000007789 gas Substances 0.000 claims abstract description 30
- 239000002737 fuel gas Substances 0.000 claims abstract description 10
- 239000002184 metal Substances 0.000 claims abstract description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 8
- 238000012423 maintenance Methods 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Abstract
The utility model provides a fuel gas pressure regulating box convenient to overhaul, which belongs to the field of fuel gas pressure regulating and comprises a box body and a main line pressure regulator arranged on the box body, wherein an air inlet pipe and an air outlet pipe are arranged on the main line pressure regulator, ball valves are arranged on the air inlet pipe and the air outlet pipe, the ball valves of the air inlet pipe and the air outlet pipe are three-way valves, bypass connectors are arranged on one sides, away from each other, of the two ball valves, a bypass pipe is connected between the two bypass connectors, the bypass pipe is a flexible metal pipe, and a standby pressure regulator is arranged in the middle section of the bypass pipe. The utility model can realize the maintenance process of the main circuit voltage regulator under the condition of continuous gas supply, thereby ensuring that the gas demand of a user is not influenced during maintenance.
Description
Technical Field
The utility model relates to the technical field of fuel gas pressure regulation, in particular to a fuel gas pressure regulating box convenient to overhaul.
Background
The gas pressure regulating box is an important component in a gas transmission and distribution system, and has the main functions of regulating and stabilizing the pressure of the gas system, controlling the gas flow of the gas transmission system and ensuring the safety of the gas transmission system.
The Chinese patent with the issued bulletin number of CN218237079U discloses a gas pressure regulating box, and the key points of the technical scheme are as follows: including the valve main part, be provided with admission valve and air outlet valve in the valve main part, be provided with first handheld portion on the admission valve, be provided with second handheld portion on the air outlet valve, first handheld portion and second handheld portion include the arrow portion for instruct the flow direction of gas.
According to the technical scheme, when the main circuit voltage regulator is overhauled in the later period, the air inlet valve and the air outlet valve are required to be closed, so that air cannot be supplied to a user during overhauling, and the daily life of the user is affected.
Disclosure of Invention
The utility model aims to provide a gas pressure regulating box convenient to overhaul, which can realize the overhaul process of a main pressure regulator under the condition of no gas interruption, so that the gas consumption requirement of a user is not influenced during overhaul.
The embodiment of the utility model is realized by the following technical scheme: the utility model provides a gas pressure regulating box convenient to overhaul, includes the box and sets up the main way voltage regulator on the box, be provided with intake pipe and outlet duct on the main way voltage regulator, all be provided with the ball valve on intake pipe and the outlet duct, the ball valve of intake pipe and outlet duct is the three-way valve, two one side that the ball valve kept away from each other all is provided with bypass joint, two be connected with the bypass pipe between the bypass joint, the bypass pipe is flexible metal pipe, the middle section of bypass pipe is provided with reserve voltage regulator.
Further, pressure gauges are arranged on two sides of the standby voltage regulator.
Further, a shut-off valve is arranged on the standby pressure regulator.
Further, the bypass pipe comprises a first branch pipe and a second branch pipe, one end of the first branch pipe is connected to a ball valve of the air inlet pipe, and the other end of the first branch pipe is connected to an air inlet end of the standby pressure regulator; one end of the second branch pipe is connected to the ball valve of the air outlet pipe, and the other end of the second branch pipe is connected to the air outlet end of the standby pressure regulator.
Further, the bypass pipe is a stainless steel hose.
Further, ball valves of the air inlet pipe and the air outlet pipe are respectively provided with an indication sheet for indicating the flowing direction of the fuel gas, and the indication sheets are fixedly arranged on an opening and closing rod of the ball valve.
Further, a first locking hole is formed in the indicating piece, and a second locking hole is formed in the ball valve.
The technical scheme of the embodiment of the utility model has at least the following advantages and beneficial effects:
1. according to the utility model, the ball valves on the air inlet pipe and the air outlet pipe are both three-way valves, and the bypass pipe is connected between the two three-way valves, so that the maintenance process of the main circuit pressure regulator is realized under the condition of no gas interruption, and the gas consumption requirement of a user is not influenced during maintenance.
2. According to the utility model, the stainless steel hose is selected as the bypass pipe so as to adapt to rapid installation with different center distances and different height differences, and meanwhile, the bypass pipe can be bent so as to adapt to actual working conditions.
3. According to the utility model, the pressure gauges are arranged on the two sides of the standby pressure regulator, so that the pressure of the bypass pipeline is conveniently monitored in the process of inspection and maintenance, and the standby pressure regulator is provided with the cut-off valve, so that the safety cut-off is ensured when the outlet pressure abnormally fluctuates, and the back-end equipment is protected.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of a fuel gas pressure regulating tank convenient to overhaul;
FIG. 2 is a schematic diagram of the ball valve, bypass pipe and backup pressure regulator of the present utility model;
FIG. 3 is a schematic view of the mounting structure of the indicator piece of the present utility model on a ball valve;
icon: 1-box, 2-main pressure regulator, 21-intake pipe, 22-outlet pipe, 3-ball valve, 31-bypass joint, 32-indicating piece, 321-first locking hole, 33-opening and closing rod, 34-second locking hole, 341-transverse hole, 342-longitudinal hole, 4-bypass pipe, 41-first branch pipe, 42-second branch pipe, 5-standby pressure regulator, 51-manometer, 52-trip valve.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
The utility model further provides a gas pressure regulating box convenient to overhaul, which is described below with reference to specific embodiments, and is shown in fig. 1-3, and comprises a box body 1 and a main path pressure regulator 2 arranged on the box body 1, wherein an air inlet pipe 21 and an air outlet pipe 22 are respectively arranged on two sides of the main path pressure regulator 2, ball valves 3 are respectively arranged on the air inlet pipe 21 and the air outlet pipe 22, the ball valves 3 of the air inlet pipe 21 and the air outlet pipe 22 are respectively three-way valves, bypass connectors 31 are respectively arranged on one sides, away from each other, of the two ball valves 3, a bypass pipe 4 is connected between the two bypass connectors 31, and a standby pressure regulator 5 is arranged in the middle section of the bypass pipe 4. When the main circuit voltage regulator 2 needs to be overhauled, the three-way valve is regulated, and gas in the three-way valve can only flow to the bypass joint 31, namely, the overhauling process of the main circuit voltage regulator 2 can be realized under the condition of no gas interruption. The bypass joint 31 can also be used as an interface of the nitrogen injection pressure test function of the newly-built pipeline and also can be used as an outlet of the gas emergency evacuation function of the later-period pipeline.
The bypass pipe 4 comprises a first branch pipe 41 and a second branch pipe 42, one end of the first branch pipe 41 is connected to the ball valve 3 of the air inlet pipe 21, and the other end of the first branch pipe is connected to the air inlet end of the standby pressure regulator 5; one end of the second branch pipe 42 is connected to the ball valve 3 of the air outlet pipe 22, and the other end is connected to the air outlet end of the standby pressure regulator 5. The first branch pipe 41 and the second branch pipe 42 are flexible metal pipes, further, the flexible metal pipes in the embodiment are stainless steel hoses, and the stainless steel hoses have the characteristics of high tensile strength, damage resistance, pressure resistance, impact resistance, high corrosion resistance and the like, can be bent, and can be quickly adapted to different center distances and different height differences during installation so as to adapt to actual installation conditions.
The pressure gauge 51 is arranged on both sides of the backup pressure regulator 5, so that the pressure in the backup pipeline can be monitored in the process of maintenance. The backup pressure regulator 5 is further provided with a shut-off valve 52 for ensuring safety shut-off protection of the back-end equipment in case of abnormal fluctuation of the outlet pressure. The shut-off valve 52 is RQZ/25/0.4JM, and when the outlet pressure value of the back end of the standby pressure regulator 5 is higher than the set value, the shut-off valve 52 can automatically and rapidly shut off the flow of fuel gas so as to protect the back end equipment.
The ball valves 3 of the air inlet pipe 21 and the air outlet pipe 22 are respectively provided with an indication sheet 32 for indicating the flowing direction of the fuel gas, the indication sheets 32 are fixedly arranged on the opening and closing rod 33 of the ball valve 3, and when the opening and closing rod 33 rotates, the indication sheets 32 synchronously rotate along with the opening and closing rod 33, and a worker can judge the flowing direction of the fuel gas by observing the indication sheets 32.
The indicating piece 32 is provided with a plurality of first locking holes 321, the ball valve 3 is provided with a second locking hole 34, and the second locking hole 34 is composed of a transverse hole 341 and a longitudinal hole 342 which are perpendicular to each other. When the first locking hole 321 at the designated position is aligned with the longitudinal hole 342 of the second locking hole 34, the device can be plumbed to prevent unauthorized operation, or the relative position of the indicator sheet 32 and the valve body is locked by locking, and the lock hook sequentially passes through the first locking hole 321 and the longitudinal hole 342 and passes out of the transverse hole 341 and is locked on the lock seat when locking, so that a special person can unlock the lock by a key after checking that the device is intact, thereby improving the safety.
The working process of the embodiment is as follows: when the main pressure regulator 2 is overhauled, the three-way valve is regulated, gas in the three-way valve can only flow to the bypass joint 31 on the side of the air inlet pipe 21 and flow to the bypass joint 31 on the side of the air outlet pipe 22 through the bypass pipe 4, so that the main pressure regulator 2 is overhauled under the condition of continuous gas. In the overhaul process, the pressure gauges 51 on the two sides of the standby pressure regulator 5 can monitor the pressure in the standby pipeline in real time; the shut-off valve 52 on the backup pressure regulator 5 can ensure a safe shut-off in case of abnormal fluctuation of the outlet pressure to protect the back-end equipment.
The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
1. The utility model provides a gas pressure regulating box convenient to overhaul, includes box (1) and sets up main way voltage regulator (2) on box (1), be provided with intake pipe (21) and outlet duct (22) on main way voltage regulator (2), all be provided with ball valve (3), its characterized in that on intake pipe (21) and outlet duct (22): ball valves (3) of intake pipe (21) and outlet duct (22) are the three-way valve, two ball valves (3) are all provided with bypass joint (31) in one side that keeps away from each other, two be connected with bypass pipe (4) between bypass joint (31), bypass pipe (4) are flexible metal pipe, the middle section of bypass pipe (4) is provided with reserve pressure regulator (5).
2. The easy-to-overhaul gas pressure regulating tank of claim 1, wherein: pressure gauges (51) are arranged on two sides of the standby pressure regulator (5).
3. The easy-to-overhaul gas pressure regulating tank according to claim 1 or 2, characterized in that: a shut-off valve (52) is arranged on the standby pressure regulator (5).
4. The easy-to-overhaul gas pressure regulating tank of claim 1, wherein: the bypass pipe (4) comprises a first branch pipe (41) and a second branch pipe (42), one end of the first branch pipe (41) is connected to the ball valve (3) of the air inlet pipe (21), and the other end of the first branch pipe is connected to the air inlet end of the standby pressure regulator (5); one end of the second branch pipe (42) is connected to the ball valve (3) of the air outlet pipe (22), and the other end is connected to the air outlet end of the standby pressure regulator (5).
5. The easy-to-overhaul gas pressure regulating tank as claimed in claim 1 or 4, wherein: the bypass pipe (4) is a stainless steel hose.
6. The easy-to-overhaul gas pressure regulating tank of claim 1, wherein: the ball valves (3) of the air inlet pipe (21) and the air outlet pipe (22) are respectively provided with an indication sheet (32) for indicating the flowing direction of fuel gas, and the indication sheets (32) are fixedly arranged on the opening and closing rods (33) of the ball valves (3).
7. The easy-to-overhaul gas pressure regulating tank as claimed in claim 6, wherein: the indicating sheet (32) is provided with a first locking hole (321), and the ball valve (3) is provided with a second locking hole (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321246040.5U CN219933738U (en) | 2023-05-22 | 2023-05-22 | Gas pressure regulating box convenient to overhaul |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321246040.5U CN219933738U (en) | 2023-05-22 | 2023-05-22 | Gas pressure regulating box convenient to overhaul |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219933738U true CN219933738U (en) | 2023-10-31 |
Family
ID=88501029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321246040.5U Active CN219933738U (en) | 2023-05-22 | 2023-05-22 | Gas pressure regulating box convenient to overhaul |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219933738U (en) |
-
2023
- 2023-05-22 CN CN202321246040.5U patent/CN219933738U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |