CN221570279U

CN221570279U - Natural gas steady voltage air intake governing system

Info

Publication number: CN221570279U
Application number: CN202323284363.6U
Authority: CN
Inventors: 金建飞; 吴乘潮; 周建飞; 宣红伟
Original assignee: Zhuji Natural Gas Co ltd
Current assignee: Zhuji Natural Gas Co ltd
Priority date: 2023-12-04
Filing date: 2023-12-04
Publication date: 2024-08-20
Anticipated expiration: 2033-12-04

Abstract

The utility model relates to the technical field of natural gas regulation and transportation and discloses a natural gas pressure-stabilizing air inlet regulating system, which comprises a regulating valve, wherein connecting pipes are fixedly connected to the left side and the right side of the regulating valve, a sleeve is fixedly connected to the right side of the top end of each connecting pipe, a mounting frame is fixedly connected to the inner bottom end of each sleeve, a threaded rod is rotatably connected to the inside of each mounting frame, a first spring is arranged outside each threaded rod, one end of each first spring is fixedly connected with a sliding sheet, the other end of each first spring is fixedly connected with a threaded sleeve, and two sliding blocks are fixedly connected to the outside of each threaded sleeve. According to the utility model, through the cooperation of the structures such as the mounting frame, the threaded rod, the first spring, the sliding piece, the threaded sleeve, the sliding block and the sliding groove, the pressure relief can be realized, the preset value of the pressure relief can be regulated, and more mechanical structures are adopted, so that the use stability is higher.

Description

Natural gas steady voltage air intake governing system

Technical Field

The utility model relates to the technical field of natural gas regulation and transportation, in particular to a natural gas pressure-stabilizing air inlet regulating system.

Background

The natural gas of the gas station is generally supplied by a city high and medium pressure natural gas pipe network, and according to seasons and daily urban domestic gas habits, the condition of large pressure fluctuation often occurs, so that the pressure is regulated and stabilized to the pressure required by the air inlet of a compressor after the natural gas enters the station, a pipeline conveying mode is generally adopted, the mode is generally matched with the regulated air inlet regulation to ensure the stability of the conveying air pressure, a general regulating device is provided with a pressure regulator and a bypass, the pressure is regulated by the pressure regulator when the pressure exceeds a limiting value, a bypass pipeline is opened to directly enter a subsequent flow path when the pressure is lower than the limiting value, and the regulated pressure regulation of the natural gas inlet is composed of structures such as a sensor monitoring pressure, a control system, a control valve, a feedback cycle, a safety valve and the like, so that the pressure when the natural gas enters the system or equipment is kept at a certain stable value. The main purpose of the voltage stabilization regulation is to ensure the stable and safe operation of the system and meet the requirements of equipment on the natural gas pressure.

The prior Chinese patent publication number is: CN104654014B provides a natural gas inlet regulating method, which is suitable for gas stations with larger pressure fluctuation of a gas supply pipe network and places with strict requirements of industrial users on gas pressure fluctuation; the pressure regulating and limiting device and the pressure regulating method can effectively regulate the pressure of the natural gas inlet end to be in a stable state, so that the natural gas can realize large-flow operation under a small pressure difference, an auxiliary device is not needed in the movement process, related electric components are not arranged, and the device and the method have the characteristics of simple operation, no special operation and no maintenance, and have great practical value.

Although the above-mentioned patent can enable a large flow rate operation of natural gas under a small pressure difference, the above-mentioned natural gas intake adjustment method has the following problems: the set value can not be adjusted, and then when the conveying speed needs to be increased, the conveying pressure of the natural gas output end needs to be additionally adjusted, so that the adjustment still needs to be monitored and allocated by means of electronic devices such as a sensor, and the use cost is high. For this reason, those skilled in the art now propose a natural gas regulated intake air regulation system to solve the above problems.

Disclosure of utility model

In order to make up for the defects, the utility model provides a natural gas pressure-stabilizing air inlet regulating system, which aims to solve the problem that in the prior art, when the conveying speed needs to be increased, electronic devices such as a sensor and the like still need to be used for monitoring and blending, so that the use cost is higher.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The utility model provides a natural gas steady voltage air intake governing system, includes the governing valve, the equal fixedly connected with connecting pipe in left and right sides of governing valve, the left side the top right side fixedly connected with sleeve of connecting pipe, telescopic inner bottom fixedly connected with mounting bracket, the inside rotation of mounting bracket is connected with the threaded rod, the outside of threaded rod is provided with first spring, the one end fixedly connected with slider of first spring, the other end fixedly connected with thread bush of first spring, two sliders of outside fixedly connected with of thread bush, two spouts have been seted up to telescopic inside upside, the right-hand member fixedly connected with blast pipe of spout, the inside of blast pipe is provided with the check valve, the left side the top left side fixedly connected with alarm mechanism of connecting pipe.

Through above-mentioned technical scheme, through rotating the threaded rod, thereby can drive the screw sleeve extrusion or tensile first spring and produce elastic deformation, and then can adjust the torsion of first spring, thereby can adjust the preset value of pressure, and can when the slider upwards moves, make inside natural gas get into the inside of holding vessel through the blast pipe, thereby not only can carry out the pressure release, can also adjust the preset value of pressure release, and adopt more mechanical structure, make stability in use higher.

Further, the outer portion of the threaded rod is in sliding connection with the inner portion of the sliding plate, and the outer portion of the sliding plate is in sliding connection with the inner lower side of the sleeve.

Through above-mentioned technical scheme, threaded rod and sleeve cooperation use to make the slider can be steady reciprocate, and then make natural gas can not leak.

Further, the upper side of the outer part of the threaded rod is in threaded connection with the inner part of the threaded sleeve, and the outer part of the threaded sleeve is in sliding connection with the upper side of the inner part of the sleeve.

Through above-mentioned technical scheme, threaded rod and sleeve cooperation use to make the thread bush can be steady reciprocate, and then can adjust the torsion of first spring steadily.

Further, the two sliding blocks are symmetrically designed, and the outer parts of the sliding blocks are in sliding connection with the inner parts of the sliding grooves.

Through above-mentioned technical scheme to make the atress of thread bush more even, and then make the thread bush slide more steadily.

Further, the alarm mechanism comprises a reset component and a clamping component, wherein the reset component is arranged on the inner left side of the sleeve, and the clamping component is arranged on the left side of the reset component.

Through above-mentioned technical scheme, reset assembly can drive the opening of control alarm mechanism internal switch and close, and the joint subassembly then can control alarm mechanism and open and close the time.

Further, reset assembly includes the mounting groove, the mounting groove is seted up in telescopic inside left side, the inside sliding connection of mounting groove has the slide bar, the right-hand member of slide bar is the circular arc design, the outside of slide bar is provided with the second spring, the left end fixed connection of second spring is at the interior left wall of mounting groove, the left end fixedly connected with installation piece of second spring, the outside of installation piece and the outside of mounting groove.

Through above-mentioned technical scheme, through the removal installation piece to left to can extrude the second spring and produce elastic deformation, when the internal pressure of connecting pipe is normal, the second spring then can be the motion that resets, and then makes alarm mechanism alarm end, make electronic equipment's use less, thereby make use cost lower, because the right-hand member of slide bar is the circular arc, thereby make the slide plate when upwards moving, can conveniently promote the slide bar and remove left.

Further, the joint subassembly includes draw-in groove and siren, the bottom fixed connection of siren is on the top of left side connecting pipe, the spacing groove has been seted up to the inside of siren, the inside sliding connection of spacing groove has the pull rod, the seting up of draw-in groove is inside the top of slide bar.

Through the technical scheme, the alarm can continuously keep an alarm state, and the pull rod is pulled upwards by a worker, so that the second spring can be separated from the switch in the alarm, and the alarm state can be conveniently released.

Further, the bottom of pull rod and the inside looks block of draw-in groove, the inside left side sliding connection with the slide bar of right-hand member of siren.

Through the technical scheme, the sliding rod can stably slide in the alarm, and can keep a state of being contacted with an internal switch of the alarm, so that the use is convenient.

The utility model has the following beneficial effects:

1. According to the utility model, through the cooperation of the structures such as the mounting frame, the threaded rod, the first spring, the sliding piece, the threaded sleeve, the sliding block and the sliding groove, the pressure relief can be realized, the preset value of the pressure relief can be regulated, and more mechanical structures are adopted, so that the use stability is higher.

2. According to the utility model, through the cooperation of the structures such as the mounting groove, the sliding rod, the second spring, the mounting block, the clamping groove and the alarm, the alarm can be pushed to be opened when the pressure is far beyond a preset value, so that the alarm can be sent out to draw the attention of a worker, the worker can repair the corresponding pipeline in time, and the use safety is higher.

Drawings

FIG. 1 is a perspective view of a natural gas pressure-stabilizing intake regulating system according to the present utility model;

FIG. 2 is a schematic diagram of a first spring structure of the natural gas pressure stabilizing and air intake regulating system according to the present utility model;

Fig. 3 is an enlarged view at a in fig. 2.

Legend description:

1. A regulating valve; 2. a connecting pipe; 3. a sleeve; 4. a mounting frame; 5. a threaded rod; 6. a first spring; 7. a slide sheet; 8. a thread sleeve; 9. a slide block; 10. a chute; 11. an exhaust pipe; 12. an alarm mechanism; 1201. a mounting groove; 1202. a slide bar; 1203. a second spring; 1204. a mounting block; 1205. a clamping groove; 1206. an alarm; 1207. a limit groove; 1208. and (5) a pull rod.

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. 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.

Referring to fig. 1-2, one embodiment provided by the present utility model is: the utility model provides a natural gas steady voltage air intake governing system, including governing valve 1, the equal fixedly connected with connecting pipe 2 in the left and right sides of governing valve 1, the top right side fixedly connected with sleeve 3 of left side connecting pipe 2, the inner bottom fixedly connected with mounting bracket 4 of sleeve 3, the inside rotation of mounting bracket 4 is connected with threaded rod 5, the outside of threaded rod 5 is provided with first spring 6, the one end fixedly connected with wiper 7 of first spring 6, the outside of threaded rod 5 and the inside sliding connection of wiper 7, the outside of wiper 7 and the inside downside sliding connection of sleeve 3.

Simultaneously, the other end fixedly connected with thread bush 8 of first spring 6, the outside upside and the inside threaded connection of thread bush 8 of threaded rod 5, the outside of thread bush 8 and the inside upside sliding connection of sleeve 3, the outside fixedly connected with two sliders 9 of thread bush 8, two sliders 9 are symmetrical design, the outside of slider 9 and the inside sliding connection of spout 10, two spouts 10 have been seted up to the inside upside of sleeve 3, the right-hand member fixedly connected with blast pipe 11 of spout 10, the inside of blast pipe 11 is provided with the check valve, the top left side fixedly connected with alarm mechanism 12 of left side connecting pipe 2.

Specifically, the governing valve 1 can adjust the inside atmospheric pressure of connecting pipe 2, cooperation slide 7 isotructure uses, thereby reach the effect of dual pressure release, and when governing valve 1 damages, slide 7 isostructure also can normally carry out the pressure release, thereby make the safety in utilization higher, sleeve 3 plays spacing effect with threaded rod 5 to slide 7 and thread bush 8, thereby make slide 7 and thread bush 8 can steady go on reciprocate, and cooperation slider 9 uses with spout 10, make thread bush 8 remove more steadily, thereby can be stable adjust thread bush 8, and then make the flexibility in use higher.

Referring to fig. 2-3, the alarm mechanism 12 includes a reset assembly disposed on the inner left side of the sleeve 3 and a snap-in assembly disposed on the left side of the reset assembly.

Specifically, the reset assembly and the clamping assembly are matched for use, so that the alarm mechanism 12 can be conveniently extruded to open and close the inside of the alarm mechanism 12, the alarm mechanism 12 can normally alarm, and the alarm time can be kept until finishing of workers is completed.

Referring to fig. 2-3, the reset assembly includes a mounting groove 1201, the mounting groove 1201 is formed in the left side of the inside of the sleeve 3, a sliding rod 1202 is slidably connected in the mounting groove 1201, the right end of the sliding rod 1202 is in an arc design, a second spring 1203 is arranged outside the sliding rod 1202, the left end of the second spring 1203 is fixedly connected to the inner left wall of the mounting groove 1201, the left end of the second spring 1203 is fixedly connected with a mounting block 1204, and the outside of the mounting block 1204 and the outside of the mounting groove 1201 are fixedly connected.

Specifically, the mounting groove 1201 plays a limiting role on the second spring 1203 and the mounting block 1204, so that the mounting block 1204 can slide stably and is matched with the second spring 1203 for use, so that the slide bar 1202 can automatically open and close a switch, and the switch of the alarm control mechanism 12 can be controlled without using electronic equipment, so that the use cost is reduced.

Referring to fig. 2-3, the clamping assembly includes a clamping groove 1205 and an alarm 1206, wherein the bottom end of the alarm 1206 is fixedly connected to the top end of the left connecting pipe 2, a limiting groove 1207 is formed in the alarm 1206, the right end of the alarm 1206 is connected to the left slide of the slide bar 1202 in a sliding manner, a pull rod 1208 is connected to the inside of the limiting groove 1207 in a sliding manner, the clamping groove 1205 is formed in the top end of the slide bar 1202, and the bottom end of the pull rod 1208 is clamped with the inside of the clamping groove 1205.

Specifically, when the alarm needs to be released, the pull rod 1208 is pulled upwards, so that the pull rod 1208 is separated from the inside of the clamping groove 1205, the slide rod 1202 can move rightwards, the slide rod 1202 is not contacted with a switch inside the alarm 1206 any more, the alarm 1206 can release the alarm, the contact position of the pull rod 1208 and the slide rod 1202 is an inclined plane which is matched with the contact position of the pull rod 1208, and when the slide rod 1202 moves leftwards, the pull rod 1208 can be pushed to move upwards, and the pull rod 1208 can slide at the top end of the slide rod 1202.

Working principle: when the internal pressure of the connecting pipe 2 is higher, the sliding sheet 7 can be pushed to move upwards, the first spring 6 can be extruded to generate elastic deformation, so that the exhaust pipe 11 is not blocked by the sliding sheet 7 any more, natural gas can enter the inside of the collecting tank through the exhaust pipe 11, the pressure release effect is achieved, when a preset value needs to be adjusted, the threaded rod 5 is rotated, the threaded sleeve 8 is driven to move downwards, the first spring 6 can be extruded to generate elastic deformation, at the moment, the sliding sheet 7 can be pushed to move upwards when the internal pressure of the connecting pipe 2 is higher, the preset value for pressure release can be adjusted, more mechanical structures are adopted, and the use stability is higher;

In addition, when the pressure exceeds the preset value, the slider 7 is lifted to the position of the sliding rod 1202, so that the sliding rod 1202 can be pushed to move leftwards, the sliding rod 1202 can drive the mounting block 1204 to extrude the second spring 1203 to generate elastic deformation, at the moment, the sliding rod 1202 can be in contact with the internal switch of the alarm 1206, the alarm 1206 can be opened to operate, the alarm can be sent out to draw the attention of a worker, and the worker can repair a corresponding pipeline in time, so that the use safety is higher.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. Natural gas steady voltage air intake governing system, including governing valve (1), its characterized in that: the automatic alarm device is characterized in that the left side and the right side of the regulating valve (1) are fixedly connected with the connecting pipe (2), the left side is fixedly connected with the sleeve (3) on the right side of the top end of the connecting pipe (2), the inner bottom end of the sleeve (3) is fixedly connected with the mounting frame (4), the inside of the mounting frame (4) is rotationally connected with the threaded rod (5), the outside of the threaded rod (5) is provided with the first spring (6), one end fixedly connected with slider (7) of the first spring (6), the other end of the first spring (6) is fixedly connected with the threaded sleeve (8), the outside of the threaded sleeve (8) is fixedly connected with the two sliding blocks (9), the upper side of the inside of the sleeve (3) is provided with the two sliding grooves (10), the right end of the sliding grooves (10) is fixedly connected with the exhaust pipe (11), the inside of the exhaust pipe (11) is provided with the one-way valve, and the left side is fixedly connected with the alarm mechanism (12) on the left side of the top end of the connecting pipe (2).

2. The natural gas regulated feed air conditioning system according to claim 1, wherein: the outer part of the threaded rod (5) is in sliding connection with the inner part of the sliding piece (7), and the outer part of the sliding piece (7) is in sliding connection with the inner lower side of the sleeve (3).

3. The natural gas regulated feed air conditioning system according to claim 1, wherein: the upper side of the outer part of the threaded rod (5) is in threaded connection with the inner part of the threaded sleeve (8), and the outer part of the threaded sleeve (8) is in sliding connection with the upper side of the inner part of the sleeve (3).

4. The natural gas regulated feed air conditioning system according to claim 1, wherein: the two sliding blocks (9) are symmetrically designed, and the outer parts of the sliding blocks (9) are in sliding connection with the inner parts of the sliding grooves (10).

5. The natural gas regulated feed air conditioning system according to claim 1, wherein: the alarm mechanism (12) comprises a reset component and a clamping component, wherein the reset component is arranged on the inner left side of the sleeve (3), and the clamping component is arranged on the left side of the reset component.

6. The natural gas regulated feed air conditioning system according to claim 5, wherein: the reset assembly comprises a mounting groove (1201), the mounting groove (1201) is formed in the left side of the inside of the sleeve (3), a sliding rod (1202) is connected to the inside of the mounting groove (1201) in a sliding mode, the right end of the sliding rod (1202) is in an arc design, a second spring (1203) is arranged on the outer portion of the sliding rod (1202), the left end of the second spring (1203) is fixedly connected to the left inner wall of the mounting groove (1201), a mounting block (1204) is fixedly connected to the left end of the second spring (1203), and the outer portion of the mounting block (1204) and the outer portion of the mounting groove (1201) are fixedly connected.

7. The natural gas regulated feed air conditioning system according to claim 5, wherein: the clamping assembly comprises a clamping groove (1205) and an alarm (1206), wherein the bottom end of the alarm (1206) is fixedly connected to the top end of a left connecting pipe (2), a limiting groove (1207) is formed in the alarm (1206), a pull rod (1208) is connected to the inside of the limiting groove (1207) in a sliding mode, and the clamping groove (1205) is formed in the top end of the sliding rod (1202).

8. The natural gas regulated feed air conditioning system according to claim 7, wherein: the bottom end of the pull rod (1208) is clamped with the inside of the clamping groove (1205), and the inside of the right end of the alarm (1206) is connected with the left side of the slide rod (1202) in a sliding mode.