CN210150726U

CN210150726U - Sulfur burner

Info

Publication number: CN210150726U
Application number: CN201921087852.3U
Authority: CN
Inventors: 赵麟; 董国良
Original assignee: Shanghai Jiading Malu Chemical Plant Co Ltd
Current assignee: Shanghai Jiading Malu Chemical Plant Co Ltd
Priority date: 2019-07-10
Filing date: 2019-07-10
Publication date: 2020-03-17
Anticipated expiration: 2029-07-10

Abstract

The utility model discloses an incinerator relates to sulfur dioxide production facility field, and it includes the furnace body, the one end of furnace body is provided with the air duct and the liquid sulfur spray gun that stretch into the furnace body inside, the one end that air duct was kept away from to the furnace body is provided with the sulfur dioxide air outlet, the tip that air duct is located the furnace body inside is provided with expands the wind device, expand the wind device include with the blast pipe of air duct intercommunication, with the expanding tuber pipe of blast pipe intercommunication, it is the round platform form to expand the tuber pipe, the blast pipe is through expanding the less disc of tuber pipe diameter and expanding tuber pipe inner chamber intercommunication, the great disc of expanding tuber pipe diameter is provided with first air outlet, expand the week side of tuber pipe and seted up a plurality of second air outlets. The utility model has the advantages of good air and liquid sulfur mixing effect and sufficient liquid sulfur combustion.

Description

Sulfur burner

Technical Field

The utility model relates to a sulfur dioxide production facility field, more specifically say, it relates to a sulfur burner.

Background

The sulfur incinerator is used for generating sulfur dioxide and is a common device for producing sodium metabisulfite. At present, the more used spray type sulfur burners are simple in structure and high in volume strength. The furnace is horizontal, and is generally made of steel cylinder lining insulating bricks and refractory bricks.

In the patent of chinese utility model with the publication number CN206901773U, a sulfur burner is disclosed, which comprises a pot body, a furnace body, a liquid sulfur spray gun extending into the furnace body, an air inlet pipeline extending into the furnace body, an ignition device extending into the furnace body and a flue gas discharge pipeline communicated with the furnace body. The sulfur burner adopts an energy-saving design, on one hand, heat generated by burning sulfur is used for heating a heating medium, and the heating medium is used for maintaining raw materials; the liquid state of sulfur; on the other hand, the temperature of the sulfur dioxide tail gas is reduced by the high-temperature flue gas passing through the waste heat water tank. Because the air inlet pipeline directly stretches into the furnace body, the lower part of the furnace body close to the air inlet pipeline is easy to have airflow dead angles, so that fine carbon ash is gathered, namely, the air and the liquid sulfur are not well mixed, and the liquid sulfur is not fully combusted.

Therefore, a new solution is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

To the technical problem at present, an object of the utility model is to provide an incinerator, it has the air and mixes effectual, the abundant advantage of liquid sulphur burning with liquid sulphur.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides an incinerator, includes the furnace body, the one end of furnace body is provided with and stretches into inside air conduit of furnace body and liquid sulphur spray gun, the one end that air conduit was kept away from to the furnace body is provided with the sulfur dioxide air outlet, the tip that air conduit is located the furnace body inside is provided with expands the wind device, expand the wind device include with the blast pipe of air conduit intercommunication, with the expanding tuber pipe of blast pipe intercommunication, it is the round platform form to expand the tuber pipe, the blast pipe is through expanding the less disc of tuber pipe diameter and expanding tuber pipe inner cavity intercommunication, the great disc of expanding tuber pipe diameter is provided with first air outlet, expand the week side of tuber pipe and seted up a plurality of second air outlets.

Through adopting above-mentioned technical scheme, liquid sulphur spray gun spun sulphur contacts and violently burns with air duct spun air, because the air duct directly stretches into in the furnace body, air duct's air outlet rear side and bottom side, the air is unable in time to be filled, for the air dead angle, it is not abundant to lead to partial sulphur burning, through setting up the expansion pipe, except that the terminal surface has seted up first air outlet, the second air outlet has still been seted up to its side, air that comes out through the second air outlet can reach air duct's rear side and bottom side, reach the inside effect of no dead angle filling furnace body, make the air can fully contact with sulphur, thereby make the sulphur burning abundant, improve sulphur combustion efficiency.

Furthermore, a sleeve is arranged on the periphery of the air pipeline and the air supply pipe, a cavity is formed among the sleeve, the air pipeline and the air supply pipe, and a plurality of third air outlets are formed on the periphery of the sleeve.

Through adopting above-mentioned technical scheme, the sleeve pipe box is established in the blast pipe outside, form the cavity of an air supply between the two, on the basis of blast pipe delivered air, partly air still can be carried from the cavity between sleeve pipe and the blast pipe, later get into the furnace body from the third air outlet again, the air that comes out from the third air outlet is supplemented with the air that the second air outlet came out mutually, can reach air duct's rear side and bottom side, make the air not have the dead angle, guarantee sulphur can fully contact with the air and burn.

Further, an included angle of 15 degrees to 45 degrees is formed between the air pipeline and the liquid sulfur spray gun.

Through adopting above-mentioned technical scheme, through setting up the angle of 15 degrees to 45 degrees, can effectively avoid because the combustion efficiency of offset and influence to can effectively prolong flame burning length, make sulphur fully burn.

Furthermore, still be provided with a plurality of fire walls in the furnace body, fire wall is located between air conduit and the sulfur dioxide air outlet, one side and the furnace body inner wall of fire wall are fixed, and its opposite side and furnace body inner wall form the vent.

Through adopting above-mentioned technical scheme, the setting of fire wall can strengthen the internal air turbulence of furnace, increases the air velocity of flow, improves the distribution of air in the furnace and extension dwell time, impels sulphur fully to burn in the furnace, reduces the dead angle region of air flow in-process.

Furthermore, a plurality of the fire-blocking walls are arranged in the furnace body in a staggered manner, and a plurality of the fire-blocking walls are arranged in a staggered manner with the ventilation openings formed on the inner wall of the furnace body.

By adopting the technical scheme, the staggered arrangement of the ventilation openings can prolong the flow path of air in the furnace body, improve the distribution and residence time of the air in the furnace body, promote the full contact and combustion of sulfur and the air and improve the combustion efficiency.

Furthermore, the fire-blocking wall is embedded into the inner wall of the furnace body, and the fire-blocking wall is of a staggered joint masonry structure.

Through adopting above-mentioned technical scheme, because the direct impact that receives the flame air current in the furnace body of fire-protecting wall and the difference in temperature around the fire-protecting wall, the tendency of collapsing easily appears in the fire-protecting wall, through embedding furnace body inner wall setting to and the setting of fire-protecting wall fissure of displacement, can improve the shock resistance of fire-protecting wall, avoid taking place the condition of collapsing.

Furthermore, a grid is arranged at the vent, the grid is respectively fixed with the inner wall of the furnace body and the fire-blocking wall, and the grid is formed by building refractory bricks.

Through adopting above-mentioned technical scheme, set up the grid in vent department, speed when can reduce sulphur from the blowout of liquid sulphur spray gun prolongs its dwell time in the furnace body to make it fully contact with the air and burn.

Further, the liquid sulfur spray gun adopts a mechanical atomization spray gun.

Through adopting above-mentioned technical scheme, mechanical atomization spray gun relies on liquid sulphur centrifugal force atomizing, need not booster fan, simplifies flow and manufacturing cost, and because fluid pressure is big, is difficult for causing the condition of jam, has the advantage that the structure is simple relatively, convenient operation.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) through the arrangement of the air expanding pipe, the first air outlet is formed in the end face of the air expanding pipe, the second air outlet is formed in the side face of the air expanding pipe, air discharged from the second air outlet can reach the rear side and the bottom side of the air pipeline, the effect of filling the interior of the furnace body without dead angles is achieved, the air can be fully contacted with sulfur, the sulfur is fully combusted, and the sulfur combustion efficiency is improved;

(2) by arranging the sleeve, on the basis of conveying air by the air supply pipe, a part of air can be conveyed from a cavity between the sleeve and the air supply pipe and then enters the furnace body from the third air outlet, and the air from the third air outlet and the air from the second air outlet supplement each other and can reach the rear side and the bottom side of the air pipeline, so that the air has no dead angle, and the sulfur can be ensured to be fully contacted and combusted with the air;

(3) through setting up the fire wall, can strengthen the internal air turbulence of furnace, increase the air velocity of flow, improve the distribution of air in the furnace and prolong dwell time, impel sulphur fully to burn in the furnace, reduce the dead angle region of air flow in-process.

Drawings

FIG. 1 is a schematic view of a sulfur burner according to the present invention;

FIG. 2 is a schematic view showing the connection relationship between an air duct, an air supply duct and an air expansion duct;

FIG. 3 is a schematic view showing the connection relationship between the air duct, the sleeve and the air expansion pipe;

FIG. 4 is a schematic sectional view of the furnace body.

Reference numerals: 1. a furnace body; 2. an air duct; 3. a liquid sulfur spray gun; 4. a sulfur dioxide outlet; 5. an air supply pipe; 6. an air expanding pipe; 7. a first air outlet; 8. a second air outlet; 9. a sleeve; 10. a third air outlet; 11. a fire barrier wall; 12. a vent; 13. a grid.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

As shown in figure 1, the sulfur incinerator comprises a horizontal furnace body 1, wherein an air pipeline 2 and a liquid sulfur spray gun 3 extending into the furnace body 1 are arranged at one end of the furnace body 1, a sulfur dioxide air outlet 4 is formed in one end, far away from the air pipeline 2, of the furnace body 1, and an included angle of 30 degrees is formed between the air pipeline 2 and the liquid sulfur spray gun 3. In this embodiment, the liquid sulfur spray gun 3 is a mechanical atomization spray gun.

As shown in fig. 4, two fire walls 11 are arranged in the furnace body 1, the fire walls 11 are located between the air pipeline 2 and the sulfur dioxide outlet 4, and the fire walls 11 are embedded in the masonry of the inner wall of the furnace body 1 and have staggered joint structures, so that the impact resistance of the fire walls can be improved, and the fire walls are not easy to collapse under the impact of flame airflow. One side of the fire-blocking wall 11 far away from the inner wall of the furnace body 1 and the inner wall of the furnace body 1 are provided with ventilation openings 12, the ventilation openings 12 on the two fire-blocking walls 11 are arranged in a staggered mode, the flowing path of air can be prolonged, the flowing speed of the air is improved, and sulfur and the air are in full contact and burn.

The ventilating opening 12 is provided with a grid 13, the grid 13 is set up by refractory bricks, and the grid 13 is respectively embedded in the fire-blocking wall 11 and the inner wall of the furnace body 1. By arranging the grid 13, the speed of the sulfur sprayed out from the liquid sulfur spray gun 3 can be reduced, and the residence time of the sulfur in the furnace body 1 is prolonged, so that the sulfur can be fully contacted and combusted with air.

As shown in fig. 2 and 3, for further making the sulfur fully burn, the end part of the air pipeline 2 inside the furnace body 1 is provided with an air expanding device, the air expanding device comprises an air supply pipe 5 communicated with the air pipeline 2 and an air expanding pipe 6 communicated with the air supply pipe 5, the air expanding pipe 6 is in a circular truncated cone shape, the air supply pipe 5 is communicated with the cavity inside the air expanding pipe 6 through the circular surface with the smaller diameter of the air expanding pipe 6, the circular surface with the larger diameter of the air expanding pipe 6 is provided with a first air outlet 7, and the circumferential side surface of the air expanding pipe 6 is provided with a plurality of second air outlets 8. The periphery of the air pipeline 2 and the air supply pipe 5 is also provided with a sleeve 9, a cavity is formed between the sleeve 9 and the air pipeline 2 and the air supply pipe 5, the periphery of the sleeve 9 is provided with a plurality of third air outlets 10, and the sleeve 9 and the round surface with the smaller diameter of the air expansion pipe 6 are integrally arranged.

When air is conveyed, air enters the air expansion pipe 6 from the air supply pipe 5, then goes out from the first air outlet 7 to be contacted with sulfur, and a part of air goes out from the second air outlet 8 to reach the rear side and the bottom side of the air supply pipe 5 so as to fill the inside of the furnace body 1 without dead angles. In addition, air can be supplemented between the sleeve 9 and the blast pipe 5, and then air is discharged from the third air outlet 10, so that the sulfur can be fully contacted and combusted with the air, and the combustion efficiency is improved.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A sulfur burner comprises a furnace body (1) and is characterized in that one end of the furnace body (1) is provided with an air pipeline (2) and a liquid sulfur spray gun (3) which extend into the furnace body (1), one end of the furnace body (1) far away from the air pipeline (2) is provided with a sulfur dioxide outlet (4), the end part of the air pipeline (2) positioned in the furnace body (1) is provided with an air diffuser, the air diffusion device comprises an air supply pipe (5) communicated with the air pipeline (2), an air expanding pipe (6) communicated with the blast pipe (5), wherein the air expanding pipe (6) is in a circular truncated cone shape, the blast pipe (5) is communicated with the inner cavity of the air expansion pipe (6) through the circular surface with smaller diameter of the air expansion pipe (6), a first air outlet (7) is arranged on the round surface with larger diameter of the air expanding pipe (6), and a plurality of second air outlets (8) are formed in the peripheral side surface of the air expanding pipe (6).

2. The sulfur burner according to claim 1, wherein a sleeve (9) is provided around the air duct (2) and the blast pipe (5), a cavity is formed between the sleeve (9) and the air duct (2) and the blast pipe (5), and a plurality of third air outlets (10) are opened around the sleeve (9).

3. The sulfur burner of claim 1, wherein the air duct (2) and the liquid sulfur lance (3) have an angle of 15 to 45 degrees therebetween.

4. The sulfur burner according to claim 1, wherein a plurality of fire barriers (11) are further arranged in the furnace body (1), the fire barriers (11) are positioned between the air pipeline (2) and the sulfur dioxide outlet (4), one side of each fire barrier (11) is fixed with the inner wall of the furnace body (1), and the other side of each fire barrier (11) forms a ventilation opening (12) with the inner wall of the furnace body (1).

5. The sulfur burner according to claim 4, wherein a plurality of the fire walls (11) are arranged in the furnace body (1) in a staggered manner, and a plurality of the fire walls (11) are arranged in a staggered manner with respect to the ventilation openings (12) formed in the inner wall of the furnace body (1).

6. The sulfur burner according to claim 5, wherein the fire wall (11) is embedded in the inner wall of the furnace body (1), and the fire wall (11) is a staggered masonry structure.

7. The sulfur burner according to claim 5, wherein a grid (13) is arranged at the vent (12), the grid (13) is respectively fixed with the inner wall of the furnace body (1) and the fire wall (11), and the grid (13) is formed by building refractory bricks.

8. The sulfur burner of claim 1, wherein the liquid sulfur lance (3) is a mechanical atomization lance.