CN211475975U - Low-pressure gas synergistic smokeless combustion emptying torch head - Google Patents
Low-pressure gas synergistic smokeless combustion emptying torch head Download PDFInfo
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- CN211475975U CN211475975U CN201922259666.XU CN201922259666U CN211475975U CN 211475975 U CN211475975 U CN 211475975U CN 201922259666 U CN201922259666 U CN 201922259666U CN 211475975 U CN211475975 U CN 211475975U
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Abstract
The utility model provides a synergy smokeless burning of low pressure gas is let out torch head, the torch trachea (5) are discharged to the coaxial fixed low pressure in middle part in steam or the compressed air pipe (7) of erectting the installation, connect the burning tube (10) of erectting the installation behind steam or the compressed air export (4) of steam or the compressed air export (7) of stretching out steam or compressed air pipe (7) top in low pressure discharge torch trachea (5) upper end, there is burning orifice (9) on burning tube (10) wall, burning tube (10) top shutoff fixed combustion head (2), burning tube (10) overcoat nest socket cup (3), there is torch gas outlet (1) nest head cup (3) top, form annular air current channel between burning head (2) and torch gas outlet (1) edge. Improve traditional steam or compressed air auxiliary combustion's configuration mode and structure, optimize the mixed mode, the mixing efficiency of poisonous and harmful combustible gas and air, fully promoted the efficiency of complete combustion, improved the environmental friendliness who discharges the burning, the burning is completely stable, and smokeless environmental protection, the handling capacity is great, saves steam or compressed air consumption, long service life, and the investment is less.
Description
Technical Field
The utility model relates to a petrochemical enterprise high altitude torch facility innovation structure improvement technique, especially the increase smokeless burning of low pressure gas is emptied torch head.
Background
The emptying flare tip is also called as a high-altitude flare for treating waste gas and toxic gas or combustible gas under accident conditions generated by petrochemical equipment. The high-altitude torch is a flue facility consisting of an automatic control system, an ignition system and a pure vertical ascending pipeline of a steel structure, so that flame is remotely and automatically ignited and burnt at the top end and is far away from the ground, personnel and factories are not injured, and the height of a high-altitude combustion tower can be adjusted from 5M at the minimum to 200M at the maximum. The design content of the flare system generally comprises two parts, namely a flare gas discharge pipe network and a flare device. The design content of the discharge pipe network comprises a flare gas pipeline, condensate recovery and conveying equipment, the process of the pipeline, the design of piping, civil engineering, electricity and the like. The design content of the torch device comprises a torch head, a torch barrel body, a liquid separating tank, a water seal tank, an igniter, a pump and other equipment, and corresponding designs such as process piping, electric, telecommunication, automatic control, civil engineering, water supply and drainage, environmental protection and the like.
Performance requirements of the venting torch: 1. the discharge combustion is stable and no backfire occurs under the designed working condition. 2. Complete combustion, no smoke and environmental protection. 3. The flare tip of the emptying flare is provided with a dynamic sealing mechanism. 4. The combustion noise of the emptying torch is low, and the requirement of environmental noise is met. 5. The operation and maintenance of the emptying torch are simple, and the operation cost is low. 6. When the device operates normally, the pilot burner is not ignited, and gas can be saved. Once an accident occurs, along with the discharge of a large amount of cyclohexane-containing gas to a torch, the torch system is required to immediately ignite an pilot burner, and further, the discharged cyclohexane gas is ignited, so that the accident gas is ensured to be safely discharged. 7. Has a spare explosion type ignition device. 8. The molecular sealer is arranged at the bottom of the flare tip of the emptying flare, so that air backflow can be reliably prevented, and the safety of a flare system is ensured. 9. The emptying torch has a semi-automatic and hard manual ignition mode, and an ignition system can be in data communication with a DCS (distributed control system).
In the prior art, the traditional steam or compressed air auxiliary combustion torch head is easy to smoke.
In the improved technology, the flare tip is provided with a steam smoke elimination device, so that the flare tip can burn without smoke and can resist temperature: greater than 1000 deg.C (long term). Nevertheless, in view of the toxic and harmful gas emissions of various petrochemical plants, there are many low-pressure emission occasions, and the conventional steam or compressed air auxiliary combustion torch head often has the defects of low combustion efficiency, easy black smoke emission, large steam or compressed air consumption, poor economical efficiency and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a synergistic smokeless burning unloading torch head of low pressure gas improves combustion gas mixing channel structure, optimizes the burning and mixes, improves the combustion state, solves prior art problem.
The purpose of the utility model is realized by the following technical measures: comprises a torch gas outlet, a combustion head, a socket head cup, a steam or compressed air outlet, a low-pressure discharge torch gas pipe, a steam or compressed air pipe, a combustion spray hole and a combustion pipe; the middle part in the vertically installed steam or compressed air pipe is coaxially fixed with a low-pressure discharge flare air pipe, the upper end of the low-pressure discharge flare air pipe extends out of a steam or compressed air outlet at the top end of the steam or compressed air pipe and then is connected with a vertically installed combustion pipe, a combustion spray hole is formed in the wall of the combustion pipe, the top end of the combustion pipe is plugged and fixed with a combustion head, a socket cup is sleeved outside the combustion pipe, a flare gas outlet is formed in the top of the socket cup, and an annular gas flow channel is formed between the combustion head and the edge of the flare gas outlet.
Particularly, the caliber of the flare gas outlet is 150% of the outer diameter of the combustion pipe.
In particular, the top surface of the burner head is no larger than the outer diameter of the burner tube 10 above the flare gas outlet.
In particular, the top surface of the combustion head is in the shape of a spherical crown and is fixed with a heat-resistant coating.
Particularly, the upper part of the socket head cup is in a taper pipe shape, the bottom of the socket head cup is in a bowl bottom shape, and an air hole is formed between the middle part of the bottom side of the socket head cup and the outer wall of the upper end of the low-pressure discharge flare gas pipe.
In particular, the clearance between the steam or compressed air outlet and the bottom surface of the socket cup is smaller than the outer diameter of the combustion tube.
In particular, the inner diameter of the steam or compressed air pipe is 150-300% of the outer diameter of the low-pressure discharge flare gas pipe.
Particularly, the rear end of the low-pressure discharge flare gas pipe is provided with a low-pressure flare gas inlet, the rear end of the steam or compressed air pipe is provided with a steam or compressed air inlet, and the low-pressure flare gas inlet and the steam or compressed air inlet are respectively connected with respective pipe networks through flange plates.
Particularly, the combustion spray holes are distributed on the outer wall of the combustion tube from dense to sparse from bottom to top.
Especially, the burning spray holes are uniformly distributed on the outer wall of the middle section of the burning pipe.
The utility model discloses an advantage and effect: the configuration mode and the structure of the traditional steam or compressed air auxiliary combustion are improved, the mixing mode and the mixing efficiency of toxic and harmful combustible gas and air are optimized, the complete combustion efficiency is fully improved, the environment friendliness of emission combustion is improved, the public engineering consumption is saved, and the economical efficiency is improved. The combustion is completely stable, the device is smokeless and environment-friendly, the treatment capacity is large, the consumption of steam or compressed air is saved, the service life is long, and the investment is small.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
The reference numerals include:
1-flare gas outlet, 2-combustion head, 3-dimple head cup, 4-steam or compressed air outlet, 5-low pressure discharge flare gas pipe, 6-low pressure flare gas inlet, 7-steam or compressed air pipe, 8-steam or compressed air inlet, 9-combustion spray hole and 10-combustion pipe.
Detailed Description
The utility model discloses the principle lies in, inside low pressure torch gas got into nest first cup 3 through low pressure discharge torch trachea 5, spout into nest first cup 3 inside from a plurality of burning orifices 9 on the 10 walls of burner tube, and the annular flow way that rises to head torch gas export 1 from nest first cup 3 inside again sprays and goes out. 3 cups of hollow nest head cup and 5 upper segments of low pressure discharge torch trachea weld into an organic whole fixed part, 5 top fixed combustion heads 2 of low pressure discharge torch trachea, the supplementary burning steam or compressed air that have certain pressure, go upward spout by steam or compressed air pipe 7 and collide 3 bottoms of nest head cup, because the branch of academic or vocational study that the fluid flows reaches the wall effect and can roll up a large amount of air of inhaling and penetrate 3 central regions of nest head cup, steam, air, combustible torch gas can intensive mixing, disturbance, burning to effectively eliminate the smoke and dust finally.
The utility model discloses a: the device comprises a flare gas outlet 1, a combustion head 2, a socket cup 3, a steam or compressed air outlet 4, a low-pressure discharge flare gas pipe 5, a steam or compressed air pipe 7, a combustion spray hole 9 and a combustion pipe 10.
The present invention will be further explained with reference to the drawings and examples.
Example 1: as shown in the attached figure 1, a low-pressure discharge flare gas pipe 5 is coaxially fixed in the middle of a vertically installed steam or compressed air pipe 7, the upper end of the low-pressure discharge flare gas pipe 5 extends out of a steam or compressed air outlet 4 at the top end of the steam or compressed air pipe 7 and then is connected with a vertically installed combustion pipe 10, a combustion spray hole 9 is formed in the wall of the combustion pipe 10, a combustion head 2 is fixedly plugged at the top end of the combustion pipe 10, a socket cup 3 is sleeved outside the combustion pipe 10, a flare gas outlet 1 is formed in the top of the socket cup 3, and an annular gas flow channel is formed between the combustion head 2 and the opening edge of the flare gas outlet.
In the foregoing, the aperture of the flare gas outlet 1 is 150% of the outer diameter of the combustion tube 10.
In the foregoing, the top surface of the combustion head 2 is higher than the flare gas outlet 1 and is not larger than the outer diameter of the combustion pipe 10.
In the above, the combustion head 2 has a spherical crown shape on its top surface and is fixed with a heat-resistant coating.
In the above, the upper part of the socket cup 3 is in a taper pipe shape, the bottom part is in a bowl bottom shape, and an air hole is arranged between the middle part of the bottom side of the socket cup 3 and the outer wall of the upper end of the low-pressure discharge flare gas pipe 5.
In the above, the clearance between the steam or compressed air outlet 4 and the bottom surface of the socket cup 3 is smaller than the outer diameter of the combustion tube 10.
In the foregoing, the inner diameter of the steam or compressed air pipe 7 is 150-300% of the outer diameter of the low-pressure discharge flare gas pipe 5.
In the foregoing, the rear end of the low-pressure discharge flare gas pipe 5 is provided with a low-pressure flare gas inlet 6, the rear end of the steam or compressed air pipe 7 is provided with a steam or compressed air inlet 8, and the low-pressure flare gas inlet 6 and the steam or compressed air inlet 8 are respectively connected with respective pipe networks through flanges.
In the foregoing, the combustion nozzle holes 9 are distributed from dense to sparse on the outer wall of the combustion tube 10 from bottom to top.
In the foregoing, the combustion nozzles 9 are uniformly distributed on the outer wall of the middle section of the combustion pipe 10.
In the embodiment of the utility model, the combustion head 2 is arranged in the central position and is welded with the socket cup 3 into a whole. The low-pressure torch gas is sprayed out from the combustion spray hole 9, is fully mixed and then is freely jetted out from the annular area of the torch gas outlet 1 in the gap between the combustion pipe 10 and the top of the socket head cup 3 to enter the atmospheric environment after being fully combusted.
In the embodiment of the utility model, steam or compressed air pipe 7 coincides with the central axis of combustion head 2, and socket head cup 3 is located upper portion.
The embodiment of the utility model provides an in, 7 top steam of steam or compressed air pipe or 4 spun steam of compressed air export or compressed air attach the wall along the 3 outer walls of nest head cup and flow, and the entrainment is a large amount of air admission combustion area, and low pressure torch gas, steam, air intensive mixing, disturbance, burning realize the smokeless burning of high efficiency.
Claims (10)
1. The synergistic smokeless combustion emptying flare tip of low-pressure gas comprises a flare gas outlet (1), a combustion tip (2), a dimple tip cup (3), a steam or compressed air outlet (4), a low-pressure discharge flare gas pipe (5), a steam or compressed air pipe (7), a combustion spray hole (9) and a combustion pipe (10); the device is characterized in that a low-pressure discharge flare gas pipe (5) is coaxially fixed in the middle of a vertically installed steam or compressed air pipe (7), a combustion pipe (10) is connected behind a steam or compressed air outlet (4) at the upper end of the low-pressure discharge flare gas pipe (5) extending out of the top end of the steam or compressed air pipe (7) and vertically installed, a combustion spray hole (9) is formed in the wall of the combustion pipe (10), a combustion head (2) is fixed on the top end of the combustion pipe (10) in a plugging mode, a socket cup (3) is sleeved outside the combustion pipe (10), a flare gas outlet (1) is formed in the top of the socket cup (3), and an annular gas flow channel is formed between the combustion head (2) and the opening of the flare.
2. The low-pressure gas synergistic smokeless combustion emptying flare tip as claimed in claim 1, wherein the caliber of the flare gas outlet (1) is 110-150% of the outer diameter of the combustion pipe (10).
3. The low-pressure gas synergistic smokeless combustion emptying flare tip as claimed in claim 1, characterized in that the top surface of the flare tip (2) is higher than the flare gas outlet (1) and is not larger than the outer diameter of the combustion tube (10).
4. The low-pressure gas synergistic smokeless combustion exhaust torch head according to claim 1, wherein the top surface of the combustion head (2) is in the shape of a spherical crown and is fixed with a heat-resistant coating.
5. The high-efficiency smokeless combustion emptying torch head of low-pressure gas as claimed in claim 1, wherein the upper part of the socket cup (3) is in a conical tube shape, the bottom part is in a bowl bottom shape, and an air hole is arranged between the middle part of the bottom side of the socket cup (3) and the outer wall of the upper end of the low-pressure discharge torch pipe (5).
6. The low pressure gas enhanced smokeless combustion emptying torch head of claim 1, wherein the clearance between the steam or compressed air outlet (4) and the bottom surface of the socket cup (3) is smaller than the outer diameter of the combustion tube (10).
7. The low pressure gas enhanced smokeless combustion venting flare tip of claim 1, wherein the inner diameter of the vapor or compressed air tube (7) is 150-300% of the outer diameter of the low pressure discharge flare tube (5).
8. The low-pressure gas synergistic smokeless combustion emptying flare tip as claimed in claim 1, characterized in that the rear end of the low-pressure discharge flare gas pipe (5) is provided with a low-pressure flare gas inlet (6), the rear end of the steam or compressed air pipe (7) is provided with a steam or compressed air inlet (8), and the low-pressure flare gas inlet (6) and the steam or compressed air inlet (8) are respectively connected with respective pipe networks through flanges.
9. The low-pressure gas synergistic smokeless combustion emptying torch head as claimed in claim 1, wherein the combustion spray holes (9) are distributed on the outer wall of the combustion tube (10) from dense to sparse from bottom to top.
10. The low-pressure gas synergistic smokeless combustion emptying torch head as claimed in claim 1, wherein the combustion spray holes (9) are evenly distributed on the outer wall of the middle section of the combustion tube (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922259666.XU CN211475975U (en) | 2019-12-13 | 2019-12-13 | Low-pressure gas synergistic smokeless combustion emptying torch head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922259666.XU CN211475975U (en) | 2019-12-13 | 2019-12-13 | Low-pressure gas synergistic smokeless combustion emptying torch head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211475975U true CN211475975U (en) | 2020-09-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922259666.XU Active CN211475975U (en) | 2019-12-13 | 2019-12-13 | Low-pressure gas synergistic smokeless combustion emptying torch head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211475975U (en) |
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2019
- 2019-12-13 CN CN201922259666.XU patent/CN211475975U/en active Active
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