CN221076184U - Direct-buried compact type underground pressure regulating device - Google Patents
Direct-buried compact type underground pressure regulating device Download PDFInfo
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- CN221076184U CN221076184U CN202323088471.6U CN202323088471U CN221076184U CN 221076184 U CN221076184 U CN 221076184U CN 202323088471 U CN202323088471 U CN 202323088471U CN 221076184 U CN221076184 U CN 221076184U
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- accommodating space
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- 230000001105 regulatory effect Effects 0.000 title claims abstract description 44
- 210000004907 gland Anatomy 0.000 claims abstract description 23
- 230000004308 accommodation Effects 0.000 claims description 8
- 238000009933 burial Methods 0.000 claims 4
- 239000012528 membrane Substances 0.000 claims 2
- 239000007789 gas Substances 0.000 abstract description 16
- 238000005192 partition Methods 0.000 abstract description 7
- 238000005452 bending Methods 0.000 abstract description 3
- 239000002737 fuel gas Substances 0.000 abstract description 2
- 238000013461 design Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000003584 silencer Effects 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000011358 absorbing material Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
Abstract
The utility model relates to the technical field of fuel gas pressure regulating boxes, in particular to a direct-buried compact type underground pressure regulating device, which comprises a box body, a first accommodating space and a second accommodating space, wherein gas enters an air cavity from an inlet pipeline, enters a cutting assembly through a filter, is in a normally open state, then enters a pressure regulator, is regulated to a set pressure through the pressure regulator, is discharged through an outlet pipeline, is arranged on one side of a gland close to the first accommodating space through the cutting assembly, is arranged at the bottom of the cutting assembly, is arranged up and down with the pressure regulator, occupies a small area, is connected with a base through a partition plate to form an L-shaped section structure, the second accommodating space is divided into an air inlet cavity and an air outlet cavity by the L-shaped section structure, the space is saved, and after the gas enters the pressure regulator from the filter, the air outlet cavity is short in air flow stroke and less in bending, the pressure loss of the air flow is reduced, the efficiency of the device is improved, and the structure is compact, and the space is saved.
Description
Technical Field
The utility model relates to the technical field of fuel gas pressure regulating boxes, in particular to a direct-buried compact type underground pressure regulating device.
Background
With the rapid development of urban construction in China, the requirements of domestic cities on urban aspects and environments are higher and higher, and the traditional floor type gas pressure regulating device and the matched open air pipeline thereof cannot meet the requirements of urban management. In addition, the urban land is increasingly tense, so that the public facilities tend to be changed from open air to underground. The gas pressure regulating device which occupies smaller area and is buried underground is a good prescription for solving the difficult problem of placing the gas device in urban management.
At present, the cut-off valve and the pressure regulator of the direct buried underground pressure regulating device are arranged in parallel, the occupied area is large, the air flow needs to be changed twice when entering the pressure regulating device, the air flow stroke is long and the air flow is bent too much, so that the pressure loss of the air flow is increased, and the efficiency of the device is reduced.
The information disclosed in this background section is only for enhancement of understanding of the general background of the utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of utility model
The utility model provides a direct-buried compact type underground pressure regulating device, which effectively solves the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: a direct-buried compact underground pressure regulating device, comprising:
the box body is internally provided with a gland, and the gland divides the box body into a first accommodating space and a second accommodating space which are arranged up and down;
A cutting assembly and a pressure regulating director are arranged on one side of the gland, which faces the first accommodating space;
The two sides of the second accommodating space are provided with an inlet pipeline and an outlet pipeline, one side of the gland facing the second accommodating space is provided with a pressure regulator and a filter, and the filter is arranged at the joint of the pressure regulator and the cutting-off assembly;
the bottom that is close to in the second accommodation space the voltage regulator is equipped with the base, is equipped with the baffle near one side of export pipeline, the baffle with the base connection forms L type cross-section structure, and will the second accommodation space separates into air inlet chamber and air outlet chamber, wherein, the voltage regulator with the filter is located in the air inlet chamber.
Further, the pressure regulator is internally provided with a involucra pressure plate, the involucra pressure plate divides the pressure regulator into a feedback cavity and a driving cavity which are arranged up and down, the feedback cavity is provided with a feedback pressure interface, the driving cavity is provided with a driving pressure interface, and the feedback pressure interface and the driving pressure interface are connected with a control signal of the pressure regulating director.
Further, a one-way valve is arranged on the involucra pressure plate.
Further, the cross section of the base is gradually enlarged from the center to two sides, so that a horn mouth structure is formed.
Further, a drain outlet is arranged on the gland, a drain pipeline is arranged on the box body, and the drain outlet is connected with the drain pipeline.
Further, an overpressure relief valve is further arranged on the gland, and an air inlet of the overpressure relief valve is connected with the outlet pipeline.
Further, the shut-off assembly includes an emergency shut-off valve and a shut-off director connected to the outlet pipe.
Further, the gland is arranged inside the box body and is detachably connected with the box body.
Further, the device also comprises a silencer, wherein the silencer is arranged at the outlet of the pressure regulator.
Further, a box cover is arranged at the top of the box body, and the box cover seals the cutting-off assembly and the pressure regulating director.
The beneficial effects of the utility model are as follows: according to the utility model, the pressure regulator is arranged at the bottom of the cutting assembly through the cutting assembly, the cutting assembly and the pressure regulator are arranged up and down, the occupied area is small, the L-shaped section structure is formed by connecting the partition plate and the base, the second accommodating space is divided into the air inlet cavity and the air outlet cavity by the L-shaped section structure, the space is further saved, and after the air enters the pressure regulator from the filter, the air enters the air outlet cavity, the air flow stroke is short, the bending is less, the pressure loss of the air flow is reduced, the efficiency of the device is improved, the structure is compact, and the space is saved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to the drawings without inventive effort to those skilled in the art.
FIG. 1 is a cross-sectional view of a direct-buried compact underground pressure regulating device;
fig. 2 is an enlarged view of a portion of the pressure regulator at the involucra platen;
FIG. 3 is a top view of a direct-burried compact underground pressure regulator (hidden case cover);
FIG. 4 is a schematic diagram of the direction of air flow when the direct-buried compact type underground pressure regulating device is in operation;
FIG. 5 is a schematic diagram of a direct-buried compact underground pressure regulating device;
Reference numerals: 1. a case; 11. a gland; 111. a sewage outlet; 12. a first accommodation space; 13. a second accommodation space; 131. an air inlet cavity; 132. an air outlet cavity; 14. an inlet duct; 15. an outlet conduit; 16. a base; 17. a partition plate; 18. a case cover; 2. cutting off the assembly; 21. cutting off the commander; 22. an emergency shut-off valve; 3. a voltage regulator; 31. a pressure regulating director; 32. a film pressure plate; 33. a feedback chamber; 331. a feedback pressure interface; 34. a drive chamber; 341. driving the pressure interface; 35. a valve core; 36. a one-way valve; 4. a filter; 5. an overpressure relief valve.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
In the description of the present invention, it should be noted that the directions or positional relationships indicated as being "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are directions or positional relationships based on the drawings are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; the connection may be direct or indirect via an intermediate medium, or may be internal communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1 to 5: a direct-buried compact underground pressure regulating device, comprising:
The box body 1 is internally provided with a pressing cover 11, and the pressing cover 11 divides the box body 1 into a first accommodating space 12 and a second accommodating space 13 which are arranged up and down;
The side of the gland 11 facing the first accommodating space 12 is provided with a cutting assembly 2 and a pressure regulating director 31;
The two sides of the second accommodating space 13 are provided with an inlet pipeline 14 and an outlet pipeline 15, one side of the gland 11 facing the second accommodating space 13 is provided with a pressure regulator 3 and a filter 4, and the filter 4 is arranged at the joint of the pressure regulator 3 and the cutting-off assembly 2;
The bottom of the second accommodation space 13, which is close to the pressure regulator 3, is provided with a base 16, one side, which is close to the outlet pipeline 15, is provided with a partition plate 17, the partition plate 17 is connected with the base 16 to form an L-shaped section structure, and the second accommodation space 13 is divided into an air inlet cavity 131 and an air outlet cavity 132, wherein the pressure regulator 3 and the filter 4 are arranged in the air inlet cavity 131.
Specifically, during operation, gas enters the air inlet cavity 131 from the inlet pipeline 14, the gas enters the cutting assembly 2 through the filter 4, the cutting assembly 2 is in a normally open state, then the gas enters the pressure regulator 3, the pressure regulator 3 regulates the pressure to a set pressure, the gas is discharged from the outlet pipeline 15, one side, close to the first accommodating space 12, of the pressure regulator 11 is arranged through the cutting assembly 2, the pressure regulator 3 is arranged at the bottom of the cutting assembly 2, the cutting assembly 2 and the pressure regulator 3 are arranged up and down, the occupied area is small, the L-shaped cross-section structure is formed by connecting the partition 17 with the base 16, the second accommodating space 13 is divided into the air inlet cavity 131 and the air outlet cavity 132 through the L-shaped cross-section structure, the space is further saved, and the gas enters the air outlet cavity 132 after entering the pressure regulator 3 from the filter 4, the gas flow stroke is short and bending is less, the pressure loss of the gas flow is reduced, the efficiency of the device is improved, the structure is compact, and the space is saved.
As a preferable example of the above embodiment, the pressure regulator 3 is internally provided with the diaphragm pressure plate 32, the diaphragm pressure plate 32 divides the pressure regulator 3 into a feedback chamber 33 and a driving chamber 34, the feedback chamber 33 is provided with a feedback pressure interface 331, the driving chamber 34 is provided with a driving pressure interface 341, and the feedback pressure interface 331 and the driving pressure interface 341 are connected with the control signal of the pressure regulating director 31. The setting and automatic adjustment of the pressure are realized.
The specific working principle is as follows: the diaphragm pressure plate 32 divides the inner cavity of the pressure regulator 3 into a feedback cavity 33 and a driving cavity 34, and when the pressure is not regulated, the valve core 35 is closed under the action of spring force; when the pressure regulator 3 works, the pressure regulating director 31 can regulate the pressure of the driving cavity 34 to control the opening and closing of the valve core 35; when the gas pressure of the outlet pipe 15 is low, the feedback gas pressure at the downstream of the outlet is also low, the pressure of the driving cavity 34 is high, the valve core 35 is opened until the outlet pressure is equal to the set pressure, otherwise, when the pressure of the outlet pipe 15 is high, the valve core 35 is closed until the pressure balance is kept, and therefore the pressure setting and automatic adjustment are achieved.
In this embodiment, the check valve 36 is disposed on the pressure plate 32, when the pressure in the feedback chamber 33 is too high, the check valve 36 is opened, the air flows to the driving chamber 34, the pressure difference between two sides of the pressure plate 32 is reduced, and the pressure plate 32 is prevented from being damaged, because the pressure plate 32 is usually a relatively thin and sensitive part, and the pressure plate may be broken or deformed due to too high pressure, so that the normal operation of the pressure regulator 3 can be effectively protected.
The cross section of the base 16 gradually expands from the center to two sides to form a bell mouth structure, on one hand, the existence of the bell mouth enables the air flow to gradually diffuse when entering the pressure regulating device to form a larger channel, and the air flow can flow through the base 16 more smoothly due to the gradual expansion of the cross section, so that the resistance and the pressure loss of the air flow are reduced, and the efficiency of the pressure regulating device and the overall performance of the air supply system are improved; on the other hand, through the design that the cross section is gradually enlarged, the air flow can be smoothly transited when entering the pressure regulating device, and the sudden pressure change is avoided, so that the impact and the severe fluctuation of the air flow can be reduced, and the more stable air pressure output is provided; in addition, the flare design also reduces noise and vibration generated by the flow of air through the pressure regulator, which reduces turbulence and hydrodynamic pressure of the air as it passes more smoothly through the base 16, thereby reducing noise and vibration.
As the preference of the embodiment, the drain outlet 111 is arranged on the gland 11, the drain pipe is arranged on the box body 1, and the drain outlet 111 is connected with the drain pipe, so that a convenient channel can be provided, impurities filtered by the filter 4 can be smoothly discharged, and the normal operation of key components in the pressure regulating device is protected and the service life of the device is prolonged.
In this embodiment, the gland 11 is further provided with an overpressure relief valve 5, the air inlet of the overpressure relief valve 5 is connected with the outlet pipe 15, when the pressure of the outlet pipe 15 exceeds a set value, the overpressure relief valve 5 is opened to discharge redundant air, so as to ensure the safety of downstream pipe components, and due to some abnormal conditions in the air supply system, such as sudden increase of the air supply pressure, the pressure of the outlet pipe 15 may exceed the set value, and by configuring the overpressure relief valve 5 in the device, accidents and damages caused by sudden increase of the pressure can be prevented, thereby ensuring the normal operation of the system.
Wherein, the trip assembly 2 includes emergency trip valve 22 and trip director 21, and trip director 21 links to each other with outlet pipe 15, and emergency trip valve 22 can be controlled the switch by trip director 21 to have manual trip's function, under the low reaches pressure exceeded the settlement pressure or emergency, close emergency trip valve 22's valve port, be convenient for overhaul and protect low reaches pipeline safety, reduce potential security risk and harm, and prevent possible accident or harm.
As the preference of above-mentioned embodiment, gland 11 locates inside box 1 to can dismantle with the adoption of box 1 and be connected, adopt screw and sealing washer to be connected in this embodiment, also can adopt other modes to dismantle and connect, thereby conveniently dismantle, when dismantling, the screw is screwed out, hang gland 11 first, cut off subassembly 2 on the gland 11 and take out in the lump, take out filter 4 subassembly, then tear the hose out, hang out pressure regulator 3, it is convenient to dismantle, not only simplified maintenance process, still reduced the risk of damaging other parts, also made things convenient for the change and the maintenance of subassembly simultaneously, the efficiency of improvement maintenance.
In this embodiment, the muffler (not shown) is disposed at the outlet of the pressure regulator 3, the pressure regulator 3 adopts the axial flow pressure regulator 3, and has strong circulation capability, and noise is reduced by the muffler, specifically, the muffler can utilize the multi-layer partition 17, the noise-reducing cotton or other sound-absorbing materials to relieve the noise generated when the gas flows, and the noise level can be reduced by damping vibration, refraction fluctuation or reducing the gas speed, which helps to provide a quieter working environment and reduce noise interference possibly caused to the surrounding environment and operators.
Wherein, box 1 top is equipped with case lid 18, case lid 18 will cut off subassembly 2 and pressure regulating director 31 seal, can effectively prevent that the external matter from getting into inside the device, thereby protection equipment's normal operating and reliability, this can prevent dust, moisture or other miscellaneous influence to the device, increase of service life thereof, the design of bearing structure is adopted to case lid 18 and box 1, it is anti rolling, box 1 is waterproof completely, the design of box 1 and case lid 18 makes direct-burried compact formula underground pressure regulating device more convenient in the direct-burried in-process, its bearing structure and waterproof performance make the device can place in the position of burying deeply under the ground and can not receive the damage, increase of service life.
It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (10)
1. A direct-burried compact type underground pressure regulating device, comprising:
the box body is internally provided with a gland, and the gland divides the box body into a first accommodating space and a second accommodating space which are arranged up and down;
A cutting assembly and a pressure regulating director are arranged on one side of the gland, which faces the first accommodating space;
The two sides of the second accommodating space are provided with an inlet pipeline and an outlet pipeline, one side of the gland facing the second accommodating space is provided with a pressure regulator and a filter, and the filter is arranged at the joint of the pressure regulator and the cutting-off assembly;
the bottom that is close to in the second accommodation space the voltage regulator is equipped with the base, is equipped with the baffle near one side of export pipeline, the baffle with the base connection forms L type cross-section structure, and will the second accommodation space separates into air inlet chamber and air outlet chamber, wherein, the voltage regulator with the filter is located in the air inlet chamber.
2. The direct-buried compact type underground pressure regulating device according to claim 1, wherein a membrane pressure plate is arranged in the pressure regulator, the membrane pressure plate divides the pressure regulator into a feedback cavity and a driving cavity, the feedback cavity is provided with a feedback pressure interface, the driving cavity is provided with a driving pressure interface, and the feedback pressure interface and the driving pressure interface are connected with control signals of the pressure regulating director.
3. The direct-burried compact type underground pressure regulating device according to claim 2, wherein the diaphragm pressure plate is provided with a check valve.
4. The direct burial compact type underground pressure regulating apparatus according to claim 1, wherein the cross-sectional shape of the base is gradually enlarged from the center to both sides, forming a bell mouth structure.
5. The direct-burried compact type underground pressure regulating device according to claim 1, wherein the gland is provided with a drain outlet, the box body is provided with a drain pipe, and the drain outlet is connected with the drain pipe.
6. The direct-burried compact type underground pressure regulating device according to claim 1, wherein the gland is further provided with an overpressure relief valve, and an air inlet of the overpressure relief valve is connected with the outlet pipeline.
7. The direct burial compact underground pressure regulating apparatus of claim 1, wherein the shut-off assembly comprises an emergency shut-off valve and a shut-off director connected to the outlet pipe.
8. The direct-burried compact type underground pressure regulating device of claim 1, wherein the gland is provided inside the case and detachably connected with the case.
9. The direct burial compact underground pressure regulating apparatus of claim 1, further comprising a muffler disposed at the outlet of the pressure regulator.
10. The direct burial compact underground pressure regulating apparatus of any one of claims 1 to 9, wherein the top of the tank is provided with a cover that seals the shut-off assembly and the pressure regulating director.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221076184U true CN221076184U (en) | 2024-06-04 |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |