CN214558402U

CN214558402U - Natural gas flame preheating tool for low-deformation welding of high-strength special steel

Info

Publication number: CN214558402U
Application number: CN202022901392.2U
Authority: CN
Inventors: 申佳玮; 刘兵; 陈伟; 吴彬
Original assignee: Jiangyin Shuangma Heavy Industry Equipment Co ltd
Current assignee: Jiangyin Shuangma Heavy Industry Equipment Co ltd
Priority date: 2020-12-06
Filing date: 2020-12-06
Publication date: 2021-11-02
Anticipated expiration: 2030-12-06

Abstract

The utility model discloses a natural gas flame preheating tool for low-deformation welding of high-strength special steel, which comprises a gas main pipeline and a flame nozzle, wherein the flame nozzle is installed at the upper end of the gas main pipeline, the lower end of the gas main pipeline is provided with an installing support, a gas hose A is arranged at the right side of the gas main pipeline, a fixed detection device is sleeved outside the right side of the gas main pipeline and comprises a joint reinforcing pipe, a connecting pipe, a solution detection tank and a joint fixing circular pipe, leaked natural gas can be conveyed to soapy water in the solution detection tank through the connecting pipe, so that the soapy water generates a lot of foams, thereby easily reminding heating personnel of the occurrence of natural gas leakage at the joint, avoiding huge harm caused by excessive natural gas leakage, prolonging the length of the joint through the joint fixing circular pipe, avoiding the joint of the gas hose from being frequently bent, thereby avoiding the cracking of the natural gas pipe joint.

Description

Natural gas flame preheating tool for low-deformation welding of high-strength special steel

Technical Field

The utility model belongs to the technical field of the natural gas is relevant, concretely relates to natural gas flame preheating frock of low deflection welding usefulness of high strength special steel.

Background

The definition of "natural gas" has long been common, in a narrow sense from the energy point of view, and refers to a mixture of hydrocarbons and non-hydrocarbon gases naturally trapped in the formation, in petrogeology, generally oil field gas and gas field gas, the composition of which is mainly hydrocarbons and contains non-hydrocarbon gases, and preheating means preheating to a specified temperature.

The prior natural gas flame preheating tool technology has the following problems: the natural gas flame preheats frock main action is in order to improve the temperature of the inside natural gas of pipeline, make the density of the inside natural gas of pipeline diminish, can become more inflation, accelerate the transportation of the inside natural gas of pipeline, seamless steel pipe and gas hose junction in the natural gas flame preheats frock, because gas hose joint department often buckles, thereby lead to the easy crack clearance of joint department, slight natural gas leakage, heating personnel can't in time detect, easily lead to the natural gas to leak too much, thereby cause harm easily.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a natural gas flame preheating frock of low deflection welding usefulness of high strength special steel to solve and provide among the above-mentioned background art because gas hose joint department often buckles, thereby lead to joint department to split the clearance easily, slight natural gas leaks, and heating personnel can't in time detect, easily leads to the natural gas to leak too much, thereby causes the harm problem easily.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a natural gas flame that low deflection welding of high strength special steel used preheats frock, includes gas trunk line and flame spray nozzle, the flame spray nozzle is installed to the upper end of gas trunk line, the lower extreme of gas trunk line is provided with the installing support, the right side of gas trunk line is provided with gas hose A, fixed detection device has been cup jointed to the right side outside of gas trunk line, fixed detection device includes joint strengthening pipe, connecting pipe, solution detection jar and connects fixed pipe, joint strengthening pipe and solution detection jar carry out fixed connection through the connecting pipe, the outside of joint strengthening pipe is provided with connects fixed pipe, gas hose A's right side is provided with the gas valve, the right side of gas valve is provided with gas hose B, gas hose B's right side is provided with the gas jar.

Preferably, the gas valve has good control characteristics and closing sealing performance, and can control gas transportation amount.

Preferably, the main gas pipeline is a circular pipeline made of steel, the circular pipeline is formed by punching round steel, and no welding seam exists on the surface of the main gas pipeline.

Preferably, gas hose A, gas hose B and connecting pipe are made by the rubber material, one section of connecting pipe stretches into in the inside solution of solution detection jar.

Preferably, the solution detection tank is coated with an anticorrosive layer, and the solution in the solution detection tank is soap solution.

Preferably, the mounting bracket is made of an iron material, the exterior of the mounting bracket is coated with anticorrosive and antirust paint, and the mounting bracket is fixed through bolts.

Compared with the prior art, the utility model provides a natural gas flame of low deflection welding usefulness of high strength special steel preheats frock possesses following beneficial effect:

1. the utility model discloses joint department at original natural gas flame preheating frock has increased fixed detection device, fixed detection device passes through four bolt fastening at gas trunk line and gas hose A's junction, it installs the right side outside at the gas trunk line now to connect the reinforced pipe, gas hose A installs inside gas trunk line right-hand member through the opening on joint reinforced pipe right side, install the upper end at the joint reinforced pipe to one section of connecting pipe again, the other end is connected in the inside soap lye of solution detection jar, if the natural gas takes place to leak, the natural gas of leakage can carry the inside soap water of solution detection jar through the connecting pipe, make soap water produce a lot of foams, thereby remind heating personnel joint department to take place the natural gas leakage easily, thereby avoid the natural gas to leak and lead to the fact huge harm too much.

2. The utility model discloses joint department at original natural gas flame preheating frock has increased fixed detection device, before the fixed pipe of erection joint, first ask first half of the fixed pipe of joint to beat a round hole earlier, the connecting pipe of being convenient for passes through pipe attach fitting reinforcing tube and solution detection jar, uses four bolts to carry out fixed connection with the fixed pipe upper and lower part of joint, connects the fixed pipe of joint and has prolonged the length that connects, avoids gas hose nipple to buckle because of the regularity to avoid natural gas pipe nipple department to take place the fracture.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

FIG. 1 is a schematic structural view of a natural gas flame preheating tool for low-deformation welding of high-strength special steel, which is provided by the utility model;

FIG. 2 is a schematic view of the cross-sectional structure of a natural gas flame preheating tool for low-deformation welding of high-strength special steel according to the present invention;

FIG. 3 is a schematic view of the overhead structure of the natural gas flame preheating tool for low-deformation welding of high-strength special steel according to the present invention;

in the figure: 1. a main gas pipeline; 2. a flame nozzle; 3. fixing the detection device; 4. a gas hose A; 5. a gas valve; 6. a gas hose B; 7. a gas tank; 8. mounting a bracket; 9. a joint reinforcement pipe; 10. a connecting pipe; 11. a solution detection tank; 12. the joint fixes the round pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a natural gas flame preheating tool for low-deformation welding of high-strength special steel comprises a gas main pipeline 1 and a flame nozzle 2, the flame nozzle 2 is installed at the upper end of the gas main pipeline 1, the gas main pipeline 1 is a circular pipeline made of steel materials, the circular pipeline is formed by punching round steel, no welding seam is arranged on the surface of the gas main pipeline 1, no gap exists between the inside and the outside of the gas main pipeline 1, gas leakage can be effectively prevented, a mounting support 8 is arranged at the lower end of the gas main pipeline 1, the mounting support 8 is made of iron materials, the outside of the mounting support 8 is coated with anticorrosive and antirust paint, the mounting support 8 is fixed through bolts, the mounting support 8 made of iron is firmer, the supporting strength is higher, the paint can remind other people that the natural gas pipeline is the natural gas pipeline, a gas hose A4 is arranged on the right side of the gas main pipeline 1, a fixed detection device 3 is sleeved outside the right side of the gas main pipeline 1, the fixed detection device 3 comprises a joint reinforcing pipe 9, a connecting pipe 10, a solution detection tank 11 and a joint fixing circular pipe 12, the joint reinforcing pipe 9 and the solution detection tank 11 are fixedly connected through the connecting pipe 10, an anticorrosive layer is coated inside the solution detection tank 11, the solution inside the solution detection tank 11 is soap liquid, the soap liquid is easy to generate foam due to gas blowing, and a heating keeper can conveniently clear away natural gas leakage or not, a gas hose A4, a gas hose B6 and the connecting pipe 10 are made of rubber materials, one section of the connecting pipe 10 extends into the solution inside the solution detection tank 11, the rubber gas hose A4, the gas hose B6 and the connecting pipe 10 are better in sealing performance, more wear-resistant and strong in bending type, the joint fixing circular pipe 12 is arranged outside the joint reinforcing pipe 9, the gas valve 5 is arranged on the right side of the gas hose A4, and the gas valve 5 has good control characteristics and closing sealing performance, gas valve 5 can control the gas transportation volume, and gas valve 5 helps heating personnel to help detecting the leakproofness that the frock was preheated to flame simultaneously according to actual conditions control natural gas's delivery volume, and gas valve 5's right side is provided with gas hose B6, and gas hose B6's right side is provided with gas jar 7.

The utility model discloses a theory of operation and use flow: the utility model discloses install the back, whether there is the crack on earlier detection gas hose A4 and gas hose B6 surface, use the drilling machine to bore a round hole at the first half that connects fixed pipe 12 earlier, connecting pipe 10 passes through round hole one end and connects the upside at joint reinforced pipe 9, the other end stretches into in the inside soap water of solution detection jar 11, to connect reinforced pipe 9 and fix in gas trunk line 1 and gas hose A4 joint department, use the upper and lower part of the fixed pipe 12 of four bolt fastening joints at last, prolong gas trunk line 1 and gas hose A4's joint length, soap water is poured into in the inside of solution detection jar 11, connect gas hose B6 and gas valve 5 according to the order, let in the air from gas trunk line 1 department, detect the leakproofness of joint department, detect after passing through, just normally use flame to preheat the frock.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a frock is preheated to natural gas flame that low deflection welding of high strength special steel was used, includes gas main pipe (1) and flame nozzle (2), its characterized in that: the upper end of the gas main pipeline (1) is provided with a flame nozzle (2), the lower end of the gas main pipeline (1) is provided with a mounting bracket (8), a gas hose A (4) is arranged on the right side of the gas main pipeline (1), a fixed detection device (3) is sleeved outside the right side of the gas main pipeline (1), the fixed detection device (3) comprises a joint reinforcing pipe (9), a connecting pipe (10), a solution detection tank (11) and a joint fixing circular pipe (12), the joint reinforcing pipe (9) and the solution detection tank (11) are fixedly connected through a connecting pipe (10), a joint fixing circular tube (12) is arranged outside the joint reinforcing tube (9), the right side of gas hose A (4) is provided with gas valve (5), the right side of gas valve (5) is provided with gas hose B (6), the right side of gas hose B (6) is provided with gas jar (7).

2. The natural gas flame preheating tool for the low-deformation welding of the high-strength special steel according to claim 1, characterized in that: the gas main pipeline (1) is a circular pipeline made of steel materials, the circular pipeline is formed by punching round steel, and no welding line is arranged on the surface of the gas main pipeline (1).

3. The natural gas flame preheating tool for the low-deformation welding of the high-strength special steel according to claim 1, characterized in that: gas hose A (4), gas hose B (6) and connecting pipe (10) are made by the rubber material, one section of connecting pipe (10) stretches into in the inside solution of solution detection jar (11).

4. The natural gas flame preheating tool for the low-deformation welding of the high-strength special steel according to claim 1, characterized in that: the inside coating of solution detection jar (11) has the anticorrosive coating, the solution of solution detection jar (11) inside is the soap lye.

5. The natural gas flame preheating tool for the low-deformation welding of the high-strength special steel according to claim 1, characterized in that: installing support (8) are made by the iron material, the outside coating of installing support (8) has anticorrosive, rust-resistant paint, installing support (8) are fixed through the bolt.