Windproof smoke abatement torch head

Abstract

The utility model discloses a windproof smoke abatement torch head which comprises a support and a water spraying atomization device fixed on the support, and the support is fixed or sleeved on the outer side of a cylinder body. The water spraying atomization device comprises an upper annular pipe and a lower annular pipe which are connected through a pipeline, and the lower annular pipe communicates with the water inlet pipe. Inclined spray holes which are uniformly distributed and densely arranged on the circumference are processed on the upper cambered surfaces of the inner sides of the upper and lower ring pipes, upper spray holes which are uniformly distributed in a staggered manner with the inclined spray holes can be processed on the upper top surfaces of the upper and lower ring pipes, and the hole diameter of each spray hole is not more than 1mm or each spray hole is replaced by a flat spray head. S-shaped fire gathering blocks which are uniformly distributed on the circumference are fixed on the inner side of an upper opening of the cylinder body. Smoke abatement, wind prevention and heat insulation are integrated through a water column, the weight of the torch head is greatly reduced, and the safety coefficient of the torch head is improved.

Description

Technical Field

[0001] This utility model is applied in the chemical industry and relates to a torch head, specifically a torch head that can prevent wind and eliminate smoke. Background Technology

[0002] The flare system is the last line of defense for safety and environmental protection in the chemical industry. In the event of operational abnormalities, start-up or shutdown, or a major accident, the system must ensure the timely treatment and discharge of waste gas. The flare head is sometimes directly related to the safe and environmentally friendly operation of the flare system. Traditional flare heads require auxiliary components such as windproof covers, steam or air smoke suppression, and overheat prevention, which makes high-altitude flare heads relatively heavy, thereby increasing the manufacturing cost of the ground support steel structure.

[0003] Numerous patent applications exist for flare heads, such as CN115247787A, a novel air-based smoke-eliminating flare burner. This burner utilizes a conical air duct outlet, a flame-gathering block, and a flame-stabilizing orifice structure on its exterior to achieve thorough mixing of air and flare gas, ensuring safe, stable, and environmentally friendly combustion. CN216047679U describes a steam-based smoke-eliminating burner for ground flares. Most of the flare gas is ejected through an outer flare gas ring pipe, while a smaller portion is ejected through nozzles on an internal branched connecting pipe. This increases the surface area of ​​contact between the flare gas and air. The steam ring pipe draws a large amount of air into the central area of ​​the burner, promoting complete combustion of the flare gas and mitigating the tendency for oxygen deficiency in the burner center to produce excessive soot. CN106402905A describes a staged combustion flare head device, in which atomized water / compressed air is sprayed sequentially through distributed combustion fins according to the load, achieving staged combustion. Atomized water / compressed air enters the combustion field through the nozzles, reducing the flame temperature during combustion and minimizing heat radiation to the cylinder. The atomized water reacts with the combustible gas to produce hydrogen and carbon monoxide, resulting in more complete combustion and improved smoke suppression. CN221301343U describes an elevated flare head with atomized smoke suppression, where metal atomizing nozzles are evenly distributed on the atomizing ring tube. The spray pattern is a wide-angle fan shape, increasing the total contact area of ​​the liquid mist, allowing for complete and effective vaporization. The liquid mist reacts with the carbon black generated during combustion to produce water-gas, eliminating the carbon black and achieving smokeless combustion. The above patent applications focus on solving a single technical problem and do not comprehensively consider the safety of the flare head. Utility Model Content

[0004] The technical problem solved by this utility model is to provide a windproof and smoke-extinguishing torch head, which uses water jets from upper and lower ring pipes to isolate radiative heat transfer, while also providing windproof and smoke-extinguishing functions, reducing the weight of the torch head and improving the safety factor.

[0005] The technical solution adopted in this utility model is as follows: The windproof and smoke-extinguishing torch head of this utility model includes a water atomizing device and a support. The water atomizing device is fixed on the support and located at the top of the cylinder. The water atomizing device includes an upper ring pipe and a lower ring pipe. The upper ring pipe is located above the lower ring pipe, and the two are connected by a pipe. The lower ring pipe is connected to a water inlet pipe. Angled spray holes are machined on the inner arc surface of both the upper and lower ring pipes. The angled spray holes are evenly distributed and densely arranged around the circumference.

[0006] Furthermore, to increase the windbreak height, the upper and lower ring pipes are machined with evenly distributed upper spray holes on their top surfaces, which are staggered from the oblique spray holes.

[0007] Furthermore, to increase the windbreak height, a middle ring pipe can be installed between the upper and lower ring pipes, and the middle ring pipe is machined with oblique spray holes and upward spray holes.

[0008] Furthermore, the diameter of the above-mentioned upper spray hole and oblique spray hole is no greater than 1 mm, or the upper spray hole and / or oblique spray hole are replaced by a flat nozzle.

[0009] Furthermore, the spray angle of the oblique nozzle is 45°.

[0010] Furthermore, the bracket is fixed to the outside of the cylinder. Alternatively, the bracket is sleeved on the outside of the cylinder; a fixed pulley is installed on the upper part of the outside of the cylinder, which supports the wire rope, one end of which is fixedly connected to the bracket, and the other end is connected to the winch.

[0011] Furthermore, to stabilize the flame, S-shaped flame-gathering blocks are fixed on the inner side of the upper opening of the cylinder.

[0012] The beneficial effects of this invention are as follows: This invention uses a water column to carry air and mix it with the flare gas, promoting complete combustion of the flare gas to eliminate smoke. The water column forms a windbreak surface to maintain stable combustion and can also isolate radiative heat transfer to protect the flare head. This flare head does not use a wind shield or refractory materials, greatly reducing its weight. Compared with a wind shield, it significantly reduces the area exposed to wind, improving the safety factor of the flare head. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of Example 1;

[0014] Figure 2 for Figure 1 A top-down view;

[0015] Figure 3 This is a front view schematic diagram of a flat nozzle;

[0016] Figure 4 for Figure 3 A top-down view;

[0017] Figure 5This is a schematic diagram of the structure of Example 2;

[0018] Figure 6 for Figure 5 A top-down view;

[0019] Among them: 1-upper ring pipe, 2-valve, 3-lower ring pipe, 4-inlet pipe, 5-support, 6-hose, 7-cylinder, 8-fire-gathering block, 9-upper spray hole, 10-slanted spray hole, 11-middle ring pipe, 12-fixed pulley, 13-wire rope. Detailed Implementation

[0020] For the sake of brevity, the accompanying drawings illustrate the working principle of this utility model. The drawings mainly show the structure of this utility model. Components not shown in the drawings or whose structures are not detailed, such as support rods, reinforcing ribs, igniters, winches, etc., are all existing technologies. Example

[0021] The structure of the windproof and smoke-eliminating torch head in this embodiment is shown in the attached figure. Figure 1 and attached Figure 2 As shown, it includes a water spray atomizing device, a support 5, and a fire-gathering block 8. The fire-gathering block 8 is fixed to the inner side of the upper opening of the cylinder 7 and is evenly distributed around the circumference. The fire-gathering block adopts the existing S-shaped fire-gathering block to ensure stable combustion and play a role in stabilizing the flame.

[0022] The water atomizing device includes an upper ring pipe 1 and a lower ring pipe 3, with the upper ring pipe 1 located at the top and the lower ring pipe 3 located at the bottom. The two are connected by a pipe, on which a valve 2 is installed. The lower ring pipe is connected to a water inlet pipe 4. Both the inner upper arc surfaces of the upper and lower ring pipes are machined with oblique spray holes 10, which are evenly distributed around the circumference. The upper top surface of the upper ring pipe can also be machined with evenly distributed upper spray holes 9, which are staggered from the oblique spray holes 10.

[0023] The water spray atomizing device is fixed on the bracket 5, and the bracket is fixed on the outside of the cylinder.

[0024] In this embodiment, after the igniter ignites the exhaust flare gas, pressurized water is introduced into the water atomizing device. The pressurized water in the upper and lower ring pipes is sprayed out from the oblique spray holes. The diameter of the oblique spray holes is very small, no more than 1 mm, and the sprayed water column can be atomized into water droplets. The water column carries the surrounding air and mixes with the flare gas along with the water droplets. The water droplets vaporize in the flame and, together with the air, promote the complete combustion of the flare gas, thereby playing a role in smoke suppression. The water column sprayed from the closely spaced oblique spray holes forms a conical surface, which can act as a windbreak, replacing the wind shield and reducing the weight of the flare head. To enhance the windbreak effect, upper spray holes can be machined on the top surface of the upper ring pipe. The water column sprayed from the upper spray holes not only increases the height of the windbreak but also is staggered and evenly distributed with the oblique spray holes, forming a cylindrical water column surface, which, together with the conical water column surface, forms two water column surfaces for windbreak. The conical water jets ejected from the angled nozzles also serve to isolate the flames from radiant heating of the cylinder and flaming blocks, thus preventing high temperatures in the cylinder and flaming blocks. This can replace the protection of refractory materials and further reduce the weight of the torch head.

[0025] In workplaces with frequent or strong winds, upper spray holes can also be added to the lower ring pipe.

[0026] The spray angle of the angled nozzle should be 45°.

[0027] Because machining densely packed tiny holes on the upper and lower ring pipes is difficult and costly, it is preferable to install flat nozzles on the upper and lower ring pipes instead of densely packed tiny holes, as shown in the attached diagram. Figure 3 and attached Figure 4 As shown. The flat section has multiple small nozzles, and the round section connects to the upper and lower ring pipes. When installing the flat nozzle, ensure that the spray plane of the flat nozzle is basically consistent with the ring of the upper and lower ring pipes to ensure that a water column is formed. Example

[0028] In Embodiment 1, the water atomizing device is fixedly installed at the top of the flare tube, making it difficult to inspect and maintain at high altitudes. Therefore, this embodiment configures the water atomizing device to be movable up and down along the tube, as shown in the attached diagram. Figure 5 and attached Figure 6 As shown.

[0029] In this embodiment, a middle ring pipe 11 is added between the upper and lower ring pipes, which further increases the windbreak height.

[0030] The water atomizing device is fixed to the bracket 5, which is then fitted onto the outside of the cylinder. A fixed pulley 12 is installed on the upper part of the outer side of the cylinder, supporting a steel wire rope 13. One end of the steel wire rope 13 is fixedly connected to the bracket 5, and the other end is connected to a winch, which is located on the ground or platform. By using the winch to drive the steel wire rope, the water atomizing device can be moved up and down along the cylinder, facilitating inspection and maintenance.

[0031] To enable the water atomizing device to move up and down, the water inlet pipe under the support should preferably be a flexible hose (6), and a rigid pipe should not be used.

[0032] This invention utilizes a pressurized, atomized water jet carrying air, which mixes with the flare gas along with water droplets, promoting complete combustion and smoke suppression. The water jet forms a windbreak surface, replacing the traditional wind shield and effectively blocking the wind. Simultaneously, the water jet surface also insulates against radiative heat transfer, protecting the flare cylinder and preventing overheating, thus saving on refractory materials. Therefore, the weight of the flare head is reduced from the perspectives of the wind shield and refractory materials. Furthermore, because pressurized water flows through the ring pipe, steel pipes can be used instead of steel pipes, further reducing the weight of the flare head. Moreover, compared to a wind shield, the ring pipe significantly reduces the area exposed to wind, improving the safety factor.

Claims

1. A windproof and smoke-extinguishing torch head, characterized in that: It includes a water spray atomizing device and a support located at the top of the cylinder; the water spray atomizing device is fixed on the support and includes an upper ring pipe and a lower ring pipe, the upper ring pipe is located above the lower ring pipe and the two are connected by a pipe, the lower ring pipe is connected to the water inlet pipe; the inner upper arc surface of the upper ring pipe and the lower ring pipe are both machined with oblique spray holes (10), and the oblique spray holes (10) are evenly distributed around the circumference.

2. The windproof and smoke-extinguishing torch head according to claim 1, characterized in that: The upper and lower ring pipes are machined with circumferentially distributed upper spray holes (9) on their top surfaces, and the upper spray holes (9) are staggered from the oblique spray holes (10).

3. The windproof and smoke-extinguishing torch head according to claim 2, characterized in that: A middle ring pipe is provided between the upper ring pipe and the lower ring pipe, and the middle ring pipe is machined with oblique spray holes (10) and upper spray holes (9).

4. A windproof and smoke-extinguishing torch head according to claim 2 or 3, characterized in that: The diameter of the upper spray hole (9) and the oblique spray hole (10) is no greater than 1 mm.

5. A windproof and smoke-extinguishing torch head according to claim 4, characterized in that: The upper spray hole (9) and / or the oblique spray hole (10) are replaced with a flat nozzle.

6. The windproof and smoke-extinguishing torch head according to claim 1, characterized in that: The spray angle of the oblique nozzle (10) is 45°.

7. The windproof and smoke-extinguishing torch head according to claim 1, characterized in that: The bracket is fixed to the outside of the cylinder.

8. The windproof and smoke-extinguishing torch head according to claim 1, characterized in that: The support frame is fitted over the outer side of the cylinder; a fixed pulley is installed on the upper part of the outer side of the cylinder, which supports the wire rope. One end of the wire rope is fixedly connected to the support frame, and the other end is connected to the winch.

9. A windproof and smoke-extinguishing torch head according to claim 1, characterized in that: S-shaped fire-gathering blocks are fixed on the inner side of the upper opening of the cylinder.

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