CN211260833U - But height-adjusting's gas pipeline diffuses torch - Google Patents

Abstract

The utility model discloses a but height-adjusting's gas pipeline diffuses torch, including torch section of thick bamboo, torch head, base, coupling hose, manifold, torch section of thick bamboo contains the spark arrester, torch head contains ignition, torch section of thick bamboo is designed for reducing structure, and wherein the lower extreme is DN150, long 2 meters, and the interlude divide into two sections, diameter DN150, every section length 3 meters, and the upper end is torch head diameter DN100, and length 1 meter adopts flange joint between each section, and the field assembly is used to reserve one section DN150 torch of 2 meters long. The utility model discloses a but height-adjusting's gas pipeline diffuses torch and easily dismantles and the installation, and highly can adjust.

Description

But height-adjusting's gas pipeline diffuses torch

Technical Field

The utility model relates to a gas pipeline maintenance technical field especially relates to a but height-adjusting's gas pipeline diffuses torch.

Background

The consumption of fuel gas as a high-quality clean energy source is in a rapid increasing stage in recent years. Correspondingly, the mileage of domestic natural gas gathering, transportation, long-distance transportation and distribution pipelines is rapidly increased. At present, China has built 8.5 km long natural gas transmission pipelines, a national backbone pipeline network which takes Shaanjing lines, western gas east transmission lines, Chuanqidong transmission lines, Zhongmaine pipelines and the like as main trunk lines and Jining lines, Huaihu lines, Lanyin lines, Zhonggui lines and the like as connecting lines is formed, the total gas transmission capacity of the trunk pipeline network exceeds 2000 billions of cubic meters per year, the maximum design pressure of the pipelines reaches 12MPa, and the maximum pipe diameter reaches 1219 mm.

Once these high-pressure and large-caliber gas pipelines are damaged by a third party, landslide, pipe corrosion and the like, a large amount of natural gas leakage is generated. Therefore, a block valve chamber is generally arranged at intervals of 10-25 km, and a special short-circuit is arranged on the block valve. If a certain pipe section has an emergency accident such as leakage, explosion and the like, the current common practice is as follows: the valves at two ends of the accident pipe section are closed rapidly, the valve chamber is connected with a hose from the short-circuit position of the valve chamber, the hose is connected to the bottom inlet of a simple diffusing pipe, the top of the diffusing pipe is directly ignited by adopting modes of a torch, fireworks and the like after the releasing is started, natural gas is combusted and then discharged, so that the leakage amount of the natural gas at the accident point is reduced as much as possible, the probability and consequences of serious accidents such as explosion, flash fire, jet fire and the like are reduced, and the problem of serious environmental pollution caused by the leakage of a large amount of methane is avoided. The bottom of the simple diffusing pipe is generally welded with a fixed support, and heavy objects such as stone blocks are pressed on the support to fix the diffusing pipe.

The diffusion method is simple to operate, the diffusion pipe is short and generally only has the length of about 4-8 m, the diffusion direction cannot be flexibly adjusted, strong heat radiation generated by combustion of a diffusion opening is easy to directly damage a valve chamber, a pipeline and surrounding sensitive buildings, the diameter of the diffusion pipe is small, the diffusion rate is low, and the time consumption is long. In addition, when the early stage diffusing pressure is high, the diffusing pipe is easy to generate the phenomena of fire escape or flameout, and when the later stage diffusing pressure is low, the diffusing pipe is easy to generate the phenomenon of backfire, and the diffusing pipes commonly used at present are not provided with safety guarantee measures such as backfire prevention, fire escape prevention, fire stabilization and the like, and are not provided with an electric ignition mechanism, so that great potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned defects of the prior art, the utility model aims to solve the technical problem that the gas diffusion torch with flexibly adjustable height is easy to install and disassemble.

In order to achieve the purpose, the utility model provides a but height-adjusting's gas pipeline diffuses torch, a serial communication port, including torch section of thick bamboo, flare tip, base, coupling hose, manifold, torch section of thick bamboo contains the spark arrester, flare tip contains ignition.

Furthermore, the torch barrel is designed into a diameter-variable structure, wherein the lowest end of the torch barrel is DN150 with the length of 2 meters, the middle section of the torch barrel is divided into two sections with the diameter of DN150, each section is 3 meters long, the upper end of the torch head is DN100 with the diameter of 1 meter, the sections are connected through flanges, the torch barrel is assembled on site during use, one section of DN150 torch barrel section with the length of 2 meters is reserved, the height combination of the torch barrel can be 6, 8, 9 and 11 meters, the height of the four positioning rods of the torch head can be adjusted, and the adjustable range is 0.5-0.8 meter.

Furthermore, the base is a fixed base welded by square pipes, the middle of the base is a circular iron plate, a flange hole is formed in the base and connected with the base plate of the torch barrel, and in order to increase stability, heavy objects can be loaded on the base.

Furthermore, the connecting hose comprises an access pipe, a nitrogen access pipe and a diffusion access pipe, is a steel wire braided hose, has the inner diameter of 51 mm, is resistant to pressure of 4Mpa, and has the working temperature of minus 40 ℃ to plus 100 ℃, wherein the length of 5 meters is 8, the length of 10 meters is 6, the total length of 100 meters, metal buckles at two ends and a connecting interface M64 multiplied by 2.

Further, the device also comprises an air intake valve, an air release valve and a control valve.

Furthermore, the flame arrester also comprises a fire-ignition cylinder, a DN25 hole is arranged between the flame arrester and the emptying valve and serves as a gas taking port of the fire-ignition cylinder, a high-pressure generator is arranged at the head of the fire-ignition cylinder and is used for igniting a torch, and a pull ring is arranged on the torch cylinder and is tensioned by a cable wind rope.

Furthermore, the manifold is a 0.5 meter long steel pipe of DN200, and both ends welding head has two DN50 joints above it, connects combustible gas, has a quick-operation joint of 13 millimeters latus rectum, can connect nitrogen gas and sweep, reserves the screw hole of installing online manometer, thermometer on the manifold, and the time spent is sealed with the plug.

Furthermore, the torch cylinder is of a reducing type rope connection structure, a flange at the bottom of the torch cylinder is connected with the base through bolts, a fixing ring is arranged on the torch cylinder body, the torch is fixed with a ground anchoring pier through three 120-degree separation of cable wind ropes, and ground lugs are welded outside the flange of the torch cylinder and used for lightning protection and grounding.

Further, the ignition tube and the torch head are fixed together by a connecting plate.

Further, the squib material is 304 SS.

The utility model discloses a but height-adjusting's gas pipeline diffuses torch and easily dismantles and the installation, and highly can adjust.

The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.

Drawings

Fig. 1 is a perspective view of a preferred embodiment of the present invention.

Detailed Description

The technical contents of the preferred embodiments of the present invention will be more clearly understood and appreciated by referring to the drawings attached to the specification. The present invention may be embodied in many different forms of embodiments, and the scope of the invention is not limited to the embodiments described herein.

In the drawings, structurally identical elements are represented by like reference numerals, and structurally or functionally similar elements are represented by like reference numerals throughout the several views. The size and thickness of each component shown in the drawings are arbitrarily illustrated, and the present invention is not limited to the size and thickness of each component. The thickness of the components may be exaggerated where appropriate in the figures to improve clarity.

As shown in fig. 1, a preferred embodiment of the present invention is a height-adjustable gas pipeline diffusing torch, which comprises a torch barrel 9 containing a flame arrester 11, a torch head 1 containing an ignition device, a base 14, a connecting hose, and a manifold 13. In order to ensure that the torch has enough strength, the torch barrel 9 is designed into a diameter-variable structure, the total height is 9 meters, and the four sections are total, wherein the lowest end is DN150 and the length is 2 meters, the middle section is divided into two sections, the diameter is DN150, each section is 3 meters, the upper end is 1 diameter DN100 of the torch head, and the length is 1 meter. The sections are connected by flanges and assembled on site when in use, a section of 2-meter DN150 torch canister 9 is reserved, the height combination of the torch canister can be 6 meters, 8 meters, 9 meters and 11 meters, the four positioning rods at the top of the torch head can be adjusted in height, and the adjustable range is 0.5-0.8 meter. A DN25 hole is arranged between the flame arrester 11 and the emptying valve 5 to be used as an air intake of the ignition cylinder, the head of the ignition cylinder is provided with a high-pressure generator 2 for igniting a torch, and a pull ring is arranged on the torch cylinder 9 and is tensioned by a guy rope 3. The torch base 14 is a square tube welded fixing base 14, the middle of the torch base is a circular iron plate, a flange hole is formed, the diameter of the torch base is larger than that of the torch barrel 9 by a first level, the torch base is connected with the bottom plate of the torch barrel 9, and in order to increase stability, a heavy object can be loaded on the base 14. The connecting hose is a steel wire braided hose, the inner diameter of the connecting hose is 51 mm, the pressure resistance is 4Mpa, the working temperature is minus 40 ℃ to plus 100 ℃, the length of the connecting hose is 5 meters and 8, the length of the connecting hose is 10 meters and 6 meters, the total length of the connecting hose is 100 meters, the metal buckle heads at two ends and the connecting interface M64 multiplied by 2 comprise an access pipe 6, a nitrogen access pipe 7 and a diffusion access pipe 8. The three valves of the torch comprise a gas taking valve 4, a vent valve 5, a control valve 12, a flame arrester 11, a connecting hose and a manifold 13, and the design pressure of the three valves is higher than 4.0MPa, so that the design pressure of the torch between the DN50 cut-off valve and the manifold 13 is 4.0 MPa. The gathering pipe 13 is a 0.5 m long steel pipe of DN200, the head is welded at both ends, two DN50 joints are arranged on the gathering pipe, the gathering pipe is connected with combustible gas, a 13 mm-diameter quick joint can be connected with a nitrogen 6 torch, a lug is welded outside a flange of the torch cylinder 9 and is used for lightning protection grounding, the torch cylinder 9 supplies materials in sections, DN150 is 2m one, DN150 is 3 m two, the material is 20#, and the design pressure is 1 MPa. The ignition mode of igniting the torch is manual electric ignition, when ignition is needed, manual ignition is carried out, a button of an igniter 10 is pressed, the high-voltage generator 2 arcs, an ignition cylinder is ignited, after the torch head 1 is ignited, the air taking hole valve is closed, and the ignition cylinder stops working.

The utility model discloses an installation application method of but height-adjusting's gas pipeline diffuses torch as follows:

1. installation torch

The circular tube of the torch mounting frame is placed in a horizontal position and connected with a torch barrel 9, a torch head 1, a high-pressure generator 2, a priming cartridge and an igniter 10. The torch is erected and fixed with the flange on the base 14, and a heavy object is placed on the base 14 to increase stability. A simple ground anchor is arranged around the torch, and the guy rope 3 on the torch is tensioned, so that the stability is ensured.

2. Connecting pipeline

The device is connected with a gas taking valve 4, a vent valve 5, an access pipe 6, a nitrogen access pipe 7, a diffusing access pipe 8, a torch barrel 9, an igniter 10, a flame arrester 11, a control valve 12, a manifold 13 and a balance hole on a pipeline.

3. Nitrogen purging pipeline

And opening a nitrogen valve on the manifold 13, closing the control valve 12, introducing nitrogen into the pipe to increase the pressure, checking whether the connecting pipe and each valve are tight, and then opening the emptying valve 5 and the gas taking valve 4 to blow out air in the pipeline.

4. Torch ignition

And (3) closing the torch emptying valve 5, and opening the control valve 12 and the nitrogen valve to allow gas in the pipeline to enter the connecting hose. The gas taking valve 4 is slightly opened, the button of the igniter 10 is pressed, the high-pressure generator 2 arcs, the ignition cylinder is ignited, the torch emptying valve 5 is manually opened, the torch is ignited, the gas taking hole valve is closed after the torch is long-burned, the ignition cylinder stops working, an operator pays attention to the combustion condition, and the opening of the valve is adjusted to control the length of the flame until the flame is emptied.

The installation of torch system needs to be fixed, and each interface needs to be airtight, prevents to reveal and causes the conflagration.

In order to avoid the swinging phenomenon of the hose during ventilation, a plurality of ground anchors are arranged along the hose to fix the hose. If the hose swings in use, the emptying flow can be immediately reduced. Until the oscillation stops.

5. Flame-out torch

When the torch needs to be closed, the emptying valve 5 is firstly closed, and after the flame is naturally extinguished, the purging nitrogen valve is opened, so that the nitrogen replaces the gas in all pipelines, and the danger is avoided.

6. Demolition work

Finally, the pipeline and the flare stack 9 are removed. And (5) dismantling all the parts and uniformly boxing.

The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the teachings of this invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims (9)

1. A height-adjustable fuel gas pipeline diffusing torch is characterized by comprising a torch barrel, a torch head, a base, a connecting hose and a manifold, wherein the torch barrel comprises a flame arrester, and the torch head comprises an ignition device;

the torch is designed into a diameter-variable structure, wherein the lowest end of the torch is DN150 with the length of 2 meters, the middle section is divided into two sections with the diameter of DN150 and the length of each section of 3 meters, the upper end of the torch head is DN100 with the diameter of 1 meter, the sections are connected by flanges, the torch is assembled on site when in use, one section of DN150 torch section with the length of 2 meters is reserved, the height combination of the torch sections can be 6, 8, 9 and 11 meters, the height of four positioning rods of the torch head can be adjusted, and the adjustable range is 0.5-0.8 meter.

2. The adjustable height fuel gas pipeline diffusion torch as claimed in claim 1, wherein the base is a square tube welded fixed base, the middle is a circular iron plate, a flange hole is formed, and the base is connected with the bottom plate of the torch barrel, and a heavy object can be loaded on the base for increasing stability.

3. The height-adjustable gas pipeline diffusion torch as claimed in claim 1, wherein the connection hose comprises an access pipe, a nitrogen access pipe and a diffusion access pipe, is a steel wire braided hose, has an inner diameter of 51 mm, is resistant to pressure of 4Mpa, and has a working temperature of-40 ℃ to +100 ℃, wherein the length of 5 meters is 8, the length of 10 meters is 6, the total length of 100 meters is 100, metal buckles are arranged at two ends, and the connection interface is M64 x 2.

4. The adjustable height gas pipeline flare of claim 3 further comprising a gas take-off valve, a vent valve, and a control valve.

5. The adjustable height gas pipeline flare apparatus of claim 4, further comprising a flare stack, wherein a DN25 hole is opened between the flame arrester and the blow-down valve as the air intake of the flare stack, the head of the flare stack is provided with a high pressure generator for igniting the flare, and the flare stack is provided with a pull ring which is tightened by a cable rope.

6. The height-adjustable gas pipeline diffusion torch as claimed in claim 1, wherein the manifold is a 0.5 m long steel pipe with DN200, two welded end sockets are arranged at two ends, two DN50 joints are arranged on the manifold, the manifold is connected with combustible gas, a 13 mm-diameter quick joint is arranged on the manifold, the manifold can be connected with nitrogen for purging, threaded holes for installing an on-line pressure gauge and a thermometer are reserved on the manifold, and the manifold is sealed by a plug when not in use.

7. The height-adjustable gas pipeline diffusing torch as defined in claim 1, wherein the torch barrel is of a reducing type rope connection structure, a flange at the bottom of the torch barrel is connected with the base through bolts, a fixing ring is arranged on the torch barrel, three wind cables are separated by 120 degrees from each other to fix the torch with a ground anchoring pier, and a ground lug is welded outside the flange of the torch barrel and used for lightning protection and grounding.

8. The adjustable height gas fired pipe flare of claim 5, wherein the squib is secured to the flare tip with a connector plate.

9. The adjustable height gas pipeline flare of claim 8 wherein the primer tube material is 304 SS.

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