CN216047679U

CN216047679U - Steam smoke abatement type combustor for ground torch

Info

Publication number: CN216047679U
Application number: CN202121939509.4U
Authority: CN
Inventors: 郭宏新; 王建果; 钟宇航; 何松; 刘丰; 赵志红
Original assignee: Jiangsu Sunpower Technology Co Ltd
Current assignee: Jiangsu Sunpower Technology Co Ltd
Priority date: 2021-08-18
Filing date: 2021-08-18
Publication date: 2022-03-15
Anticipated expiration: 2031-08-18

Abstract

The utility model provides a ground is steam smoke elimination type combustor for torch, includes ground is steam smoke elimination type combustor for torch, characterized by: the steam smoke abatement type combustor for the ground flare comprises a flare gas vertical pipe (1), a flare gas ring pipe (2), branch-shaped connecting pipes (3) and a steam ring pipe (4), wherein the flare gas ring pipe (2) is arranged around the upper end of the flare gas vertical pipe (1), and the flare gas ring pipe (2) is fixed at the upper end of the flare gas vertical pipe (1) through the branch-shaped connecting pipes (3); a plurality of spray holes are formed in the torch gas ring pipe (2); the steam ring pipe (4) is arranged below the flare gas ring pipe (2); the steam ring pipe (4) circumference open the circle steam jet hole, radially incline to the outside along the ring pipe, steam ring pipe (4) are close to branch type connecting pipe (3) department local and are opened 2~5 steam jet holes equally. The utility model has simple structure and lower cost compared with the conventional burner.

Description

Steam smoke abatement type combustor for ground torch

Technical Field

The utility model relates to a waste gas treatment technology, in particular to a steam smoke-eliminating combustion system special for treating unsaturated hydrocarbon torch gas, and specifically relates to a steam smoke-eliminating combustor for a ground torch.

Background

The flare waste gas purification treatment system is a last safe environment-friendly device in factories of industries such as petroleum, chemical engineering, plastics, metallurgy and the like, can ensure that industrial waste gas is purified and discharged in time when the factories are abnormal, maintained, started and stopped or major accident conditions such as power failure, water cut and fire happen, and ensures the life safety of factory equipment and personnel, is a last life defense line which is safe and not broken through in the whole factory, and is an important measure for ensuring the safe production of the factory and reducing the environmental pollution. The combustor is the core equipment of a ground flare system, and the design quality of the combustor is directly related to whether the ground flare can be safely and environmentally operated or not. The traditional ground flare combustion system adopts medium-pressure steam smoke elimination when processing unsaturated hydrocarbon flare gas, the steam smoke elimination efficiency of the burner is one of the most important indexes for measuring the performance of the burner, and the energy-saving ground flare burner can greatly reduce the running energy consumption of the ground flare.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an energy-saving steam smoke-eliminating type combustor suitable for a ground torch, aiming at the problem that visible smoke is heavier when a traditional ground torch combustion system is used for treating unsaturated hydrocarbon torch gas.

The technical scheme of the utility model is as follows:

a steam smoke abatement type burner for a ground torch is characterized in that: the device comprises a torch gas vertical pipe 1, a torch gas ring pipe 2, a branch-type connecting pipe 3 and a steam ring pipe 4, wherein the torch gas ring pipe 2 is arranged around the upper end of the torch gas vertical pipe 1, and the torch gas ring pipe 2 is fixed at the upper end of the torch gas vertical pipe 1 through the branch-type connecting pipe 3; the torch gas ring pipe 2 is provided with a plurality of spray holes, the axes of the spray holes and the axis of the torch gas vertical pipe 1 form an angle of 5-30 degrees, the spray holes gather towards the center, the center distance of the spray holes is 3-6 times of the diameter of the holes, and the spray holes are distributed circumferentially; the steam ring pipe 4 is arranged at the position 30-300 mm below the flare gas ring pipe 2 and surrounds the flare gas stand pipe 1; the steam ring pipe 4 circumference open the round steam orifice, radially incline to the outside along the ring pipe, steam orifice axis and torch gas riser axis are 5~30 degrees, 2~5 steam orifices are opened equally to steam ring pipe 4 near 3 local divisions of branch type connecting pipe, steam orifice axis and torch gas riser 1 axis are 0~30 degrees.

The branch-type connecting pipes 3 are intermediate connecting channels for connecting the flare gas vertical pipe 1 and the flare gas ring pipe 2, the number of the branch-type connecting pipes is 3-5, each branch-type connecting pipe 3 is also provided with a plurality of flare gas spray holes, and the distance between the spray holes is 3-6 times of the diameter of the spray holes; the joint of the torch gas ring pipe 2 and the branch type connecting pipe 3 is not provided with spray holes.

The aperture of all steam spray holes is between 2 mm and 4mm, and the aperture of all gas spray holes is between 2.5 mm and 7.5 mm.

The diameter of the flare gas loop pipe 2 is 400-650 mm, and the diameter of the steam loop pipe 4 is 250-500 mm.

Torch gas sprays to the inboard with the angle of setting for, and steam sprays to the outside with the angle of setting for, and steam and torch gas fully contact mixes, has strengthened the smoke elimination effect of steam, compares with traditional steam smoke elimination combustor and reduces steam consumption 50%, synthesizes promptly and reaches steam: flare gas =0.5: 1.0.

The utility model has the beneficial effects that:

(1) compared with the traditional branch type ground flare combustor, the steam smoke-eliminating type combustor for the ground flare has the advantages that the specific surface contact area of flare gas and air is increased, the sufficient combustion of the flare gas is facilitated, and the steam consumption is reduced;

(2) the central steam ring pipe injects a large amount of air into the central area of the burner, so that the flare gas can be fully combusted, and the tendency of generating a large amount of carbon smoke due to oxygen deficiency in the center of the burner is relieved;

(3) torch gas sprays to the inboard with certain angle, and steam sprays to the outside with certain angle, and steam and torch gas fully contact mixes, has strengthened the smoke elimination effect of steam, compares with traditional steam smoke elimination combustor and reduces steam consumption 50%, synthesizes promptly and reaches steam: flare gas =0.5: 1.0;

(4) the steam smoke-eliminating burner has simple structure, and the core components of the steam smoke-eliminating burner are only a flare gas vertical pipe, a branch type connecting pipe, a flare gas ring pipe and a steam ring pipe, so that the cost is lower than that of the conventional burner.

Drawings

FIG. 1 is a schematic structural view of a ground flare steam smoke abatement burner of the present invention;

FIG. 2 is a top view of the steam-eliminating burner for remote ground flare;

FIG. 3 is a front view of a ground flare steam smoke abatement burner.

In the figure: 1-flare gas vertical pipe, 2-flare gas ring pipe, 3-branch type connecting pipe, 4-steam ring pipe, 5-hoop, 6-elbow, 7-connecting pipe, 8-steam flange, 9-supporting piece, 10-connecting plate and 11-flare gas flange.

Detailed Description

The technical solution of the present invention is further explained with reference to the drawings and the embodiments.

As shown in fig. 1-3.

A steam smoke-eliminating type combustor for a ground torch comprises a torch gas vertical pipe 1, a torch gas ring pipe 2, a branch-type connecting pipe 3, a steam ring pipe 4, a hoop 5, an elbow 6, a connecting pipe 7, a steam flange 8, a supporting piece 9, a connecting plate 10 and a torch gas flange 11, and is shown in figure 3. A ring of flare gas ring pipe 2 is arranged around the flare gas riser 1, and a branch type connecting pipe 3 is arranged between the flare gas ring pipe 2 and the flare gas riser 1, as shown in figure 1. A steam loop 4 with smaller diameter is arranged at the position 30 mm-300 mm below the flare gas loop 2 and around the inner side of the position of the flare gas riser 1, as shown in figure 3. The flare gas ring pipe 2 is provided with a plurality of circular holes, the axial direction of the holes and the axial line of the flare gas stand pipe form an angle of 5-30 degrees, the circular holes incline towards the inner side of the center of the flare gas stand pipe 1 and gather towards the center, and the center distance of the holes is 3-6 times of the diameter of the holes and is distributed circumferentially. The hoop 5 and the support piece 9 provide support for the steam ring pipe 4, flare gas enters the flare gas vertical pipe 1 through the flare gas flange 11, enters the flare gas ring pipe 2 through the branch-type connecting pipe 3, is sprayed out from the flare gas spray holes on the circumference of the flare gas ring pipe 2, and simultaneously, part of flare gas is directly sprayed out from the flare gas spray holes on the branch-type connecting pipe 3. Steam enters the steam ring pipe 4 through the steam flange 8, the connecting pipe 7 and the elbow 6 and is sprayed out from the spray holes of the steam ring pipe, and the flare gas vertical pipe 1 is connected with the connecting pipe 7 through the connecting plate 10. The branch type connecting pipes 3 are intermediate connecting channels for connecting the flare gas vertical pipe 1 and the flare gas annular pipe 2, generally 3-5 branches form self-supporting, each branch type connecting pipe 3 is also provided with an opening, the opening direction and the vertical pipe form a certain angle, and the center distance of the openings is 3-6 times of the diameter of the openings. The joint of the flare gas ring pipe 2 and the branch type connecting pipe 3 is not provided with an opening. The circumference of the steam ring pipe 4 is provided with a circle of steam jet holes which incline to the outer side of the flare gas vertical pipe 1 along the radial direction, one part of the steam jet holes and the flare gas vertical pipe form an angle of 5-30 degrees, the part of the steam ring pipe close to the flare gas branch is also provided with 2-5 steam holes, and the hole forming direction and the flare gas vertical pipe form an angle of 0-30 degrees.

When the combustor works, most of flare gas is sprayed out through the outer flare gas ring pipe 2, and a small part of flare gas is sprayed out through the spray holes on the inner branch type connecting pipe 3, so that the specific surface contact area of the flare gas and air is increased compared with that of the traditional branch type ground flare combustor, and the sufficient combustion of the flare gas is facilitated, so that the consumption of steam is reduced; the steam ring pipe 4 injects a large amount of air into the central area of the burner, so that the torch gas can be fully combusted, and the tendency of generating a large amount of carbon smoke due to oxygen deficiency in the center of the burner is relieved; in addition, because the setting of jet orifice angle, the torch gas sprays to the inboard with the angle of setting for, and steam sprays to the outside with the angle of setting for, and steam and torch gas fully contact mixes, has strengthened the smoke abatement effect of steam, compares with traditional steam smoke abatement combustor and reduces steam consumption 50%, synthesizes promptly and reaches steam: flare gas =0.5:1.0 energy saving effect.

The present invention is not concerned with parts which are the same as or can be implemented using prior art techniques.

Claims

1. A steam smoke abatement type burner for a ground torch is characterized in that: the device comprises a torch gas vertical pipe (1), a torch gas ring pipe (2), branch-shaped connecting pipes (3) and a steam ring pipe (4), wherein the torch gas ring pipe (2) is arranged around the upper end of the torch gas vertical pipe (1), and the torch gas ring pipe (2) is fixed at the upper end of the torch gas vertical pipe (1) through the branch-shaped connecting pipes (3); the torch gas ring pipe (2) is provided with a plurality of spray holes, the axes of the spray holes and the axis of the torch gas vertical pipe (1) form an angle of 5-30 degrees, the spray holes gather towards the center, the center distance of the spray holes is 3-6 times of the diameter of the holes, and the spray holes are distributed circumferentially; the steam ring pipe (4) is arranged at 30-300 mm below the torch gas ring pipe (2) and surrounds the torch gas vertical pipe (1); the steam ring pipe (4) circumference open the round steam orifice, radially incline to the outside along the ring pipe, steam orifice axis is 5~30 degrees with torch gas riser axis, steam ring pipe (4) are close to branch type connecting pipe (3) department local and equally open 2~5 steam orifices, steam orifice axis is 0~30 degrees with torch gas riser (1) axis.

2. The steam-eliminating type burner for a ground torch as set forth in claim 1, wherein: the branch-type connecting pipes (3) are intermediate connecting channels for connecting the flare gas vertical pipe (1) and the flare gas ring pipe (2), the number of the branch-type connecting pipes is 3-5, each branch-type connecting pipe (3) is also provided with a plurality of flare gas spray holes, and the distance between the spray holes is 3-6 times of the diameter of the spray holes; the joint of the torch gas ring pipe (2) and the branch-shaped connecting pipe (3) is not provided with spray holes.

3. The steam-eliminating type burner for a ground torch as set forth in claim 1, wherein: the aperture of all steam spray holes is between 2 mm and 4mm, and the aperture of all gas spray holes is between 2.5 mm and 7.5 mm.

4. The steam-eliminating type burner for a ground torch as set forth in claim 1, wherein: the diameter of the flare gas ring pipe (2) is 400-650 mm, and the diameter of the steam ring pipe (4) is 250-500 mm.

5. The steam-eliminating type burner for a ground torch as set forth in claim 1, wherein: torch gas sprays to the inboard with the angle of setting for, and steam sprays to the outside with the angle of setting for, and steam and torch gas fully contact mixes, has strengthened the smoke elimination effect of steam, compares with traditional steam smoke elimination combustor and reduces steam consumption 50%, synthesizes promptly and reaches steam: flare gas =0.5: 1.0.