Oily waste gas combustion device

Abstract

The utility model belongs to the technical field of waste gas treatment, and discloses an oil-containing waste gas combustion device. Comprising a burner body, a gas inlet assembly and a gas spray gun assembly. Oil-containing waste gas is introduced into the combustion chamber through the waste gas guide pipe, and meanwhile, clean steam enters the combustion chamber through the clean steam inlet valve. Under the ignition effect of the fuel gas spray gun assembly, the oil-containing waste gas is combusted in the combustion chamber, and meanwhile, the clean steam circularly flows in the combustion chamber so as to purge oil stains attached to the inner wall of the combustor cylinder. Besides, a jacket cylinder is arranged outside the burner cylinder in a sleeving mode, a heat tracing cavity is defined between the jacket cylinder and the burner cylinder, heat tracing steam is introduced into the heat tracing cavity, and the temperature of the heat tracing steam is higher than that of the oil-containing waste gas, so that a certain temperature is kept in the burning cavity, the oil-containing waste gas is prevented from being condensed, and oil stains are prevented from being attached to the inner wall of the burning cavity. Therefore, flames are prevented from combusting along the inner wall of the combustion chamber, and the service life of the combustion device is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of waste gas treatment, in particular to a combustion device for oil-containing waste gas. Background Art

[0002] In the process of food processing and production, the roasting and pressing processes will produce a large amount of oily waste gas, which contains alkanes, sulfur-containing gases, ammonia nitrogen, etc., and will emit a bad smell, which is irritating and polluting. If it is not treated before discharge, it will cause certain pollution to the atmospheric environment. The combustion method is usually used to treat the oily waste gas.

[0003] The burners disclosed in the prior art for treating oily waste gas have the problem of oil stains adhering to the inner wall of the combustion chamber after being used for a period of time, causing the combustion flame to burn along the oil stains on the inner wall, that is, burning on the inner wall surface of the burner. In the long run, the burner will be worn out, the service life of the burner will be reduced, and the production cost will be increased.

[0004] Therefore, there is an urgent need for an oil-containing waste gas combustion device with a self-cleaning function. Utility Model Content

[0005] The utility model aims to provide an oil-containing waste gas combustion device, which can reduce the probability of oil stains adhering to the inner wall of the combustion chamber and extend the service life of the burner; at the same time, it can make the combustion of the oil-containing waste gas more complete.

[0006] To achieve this purpose, the utility model adopts the following technical solutions:

[0007] Provided is an oil-containing waste gas combustion device, comprising:

[0008] The burner body comprises a burner cylinder and a jacket cylinder sleeved on the burner cylinder, wherein the burner cylinder is provided with a combustion chamber, a heating chamber is provided between the jacket cylinder and the burner cylinder, oil-containing waste gas is passed through the combustion chamber, heating steam is passed through the heating chamber, and the temperature of the heating steam is greater than the temperature of the oil-containing waste gas; an exhaust valve is provided on the outer wall of the jacket cylinder, and the exhaust valve is connected to the heating chamber;

[0009] An air intake assembly, comprising an exhaust gas conduit, the exhaust gas conduit being arranged on the outer wall of the burner barrel and being connected to the combustion chamber, and a clean steam intake valve being convexly arranged on the outer wall of the exhaust gas conduit for introducing clean steam;

[0010] The gas spray gun assembly is fixedly arranged on the outer wall of the burner barrel, and the output end of the gas spray gun assembly extends into the combustion chamber so as to ignite the oil-containing waste gas.

[0011] As an optional solution of the oil-containing waste gas combustion device, the air intake assembly further includes a heating steam conduit, which is sleeved on the outside of the waste gas conduit and connected to the heating chamber;

[0012] The clean steam inlet valve passes through the heating steam conduit and is connected to the exhaust gas conduit.

[0013] As an optional solution for the oil-containing waste gas combustion device, a heating steam inlet valve is protrudingly provided on the outer wall of the heating steam conduit, and the heating steam inlet valve is connected to the heating steam conduit.

[0014] As an optional solution for the oil-containing waste gas combustion device, the air intake assembly also includes an air duct, which runs through the heating chamber and is fixed to the outer wall of the burner cylinder, and the air duct is connected to the combustion chamber.

[0015] As an optional solution for the oil-containing waste gas combustion device, the gas spray gun assembly includes a gas collecting chamber, a permanent lamp and a plurality of gas nozzles;

[0016] The gas collecting chamber is fixedly arranged on the outer wall of the burner cylinder, and gas is contained in the gas collecting chamber; the ever-burning lamp extends in the horizontal direction and passes through the gas collecting chamber and the combustion chamber in sequence; the plurality of gas nozzles are all connected to the gas collecting chamber and are arranged at intervals along the circumference of the ever-burning lamp; the ever-burning lamp can ignite the gas ejected from the gas nozzle.

[0017] As an optional solution for the oil-containing waste gas combustion device, the output end of each of the gas nozzles is provided with a chamfered surface, and each of the chamfered surfaces faces the output end of the ever-burning lamp.

[0018] As an optional solution for the oil-containing waste gas combustion device, the gas spray gun assembly also includes a combustion stabilizing disk, which is sleeved on the output end of the ever-burning lamp, and a plurality of guide plates are arranged on the combustion stabilizing disk at intervals along the circumferential direction.

[0019] As an optional solution for the oil-containing waste gas combustion device, an end face flange is provided on the side of the burner barrel facing the gas collecting chamber, and the gas collecting chamber is detachably connected to the end face flange.

[0020] As an optional solution for the oil-containing waste gas combustion device, a condensate discharge valve is also protrudingly provided on the outer side of the bottom wall of the burner cylinder, and the condensate discharge valve passes through the heating chamber and is connected to the combustion chamber.

[0021] As an optional solution for the oil-containing waste gas combustion device, a support assembly is protrudingly provided on the inner wall of the combustion chamber, and the support assembly is used to support the gas spray gun assembly.

[0022] Beneficial effects of the utility model:

[0023] The utility model provides an oil-containing waste gas combustion device, including a burner body, an air intake assembly and a gas spray gun assembly. The oil-containing waste gas is introduced into the combustion chamber through the waste gas conduit, and at the same time, clean steam enters the combustion chamber through the clean steam air intake valve. Under the ignition action of the gas spray gun assembly, the oil-containing waste gas is burned in the combustion chamber, and at the same time, the clean steam circulates in the combustion chamber to purge the oil stains attached to the inner wall of the burner cylinder. In addition, a jacketed cylinder is provided outside the burner cylinder, and a heating chamber is surrounded between the jacketed cylinder and the burner cylinder. Heating steam is passed through the heating chamber, and the temperature of the heating steam is greater than the temperature of the oil-containing waste gas, so that the combustion chamber is kept at a certain temperature, the oil-containing waste gas is prevented from condensing, and the oil stains are prevented from adhering to the inner wall of the combustion chamber, thereby avoiding the flame from burning along the inner wall of the combustion chamber, so as to extend the service life of the combustion device. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is an overall schematic diagram of the oil-containing waste gas combustion device provided in the specific implementation example of the utility model;

[0025] Figure 2 It is a front view of the oil-containing waste gas combustion device provided in the specific implementation example of the utility model;

[0026] Figure 3 It is a side view of the oil-containing waste gas combustion device provided by the specific implementation example of the utility model;

[0027] Figure 4 This is a cross-sectional view of the oil-containing waste gas combustion device provided in the specific implementation example of the utility model. Figure 1 ;

[0028] Figure 5 This is a cross-sectional view of the oil-containing waste gas combustion device provided in the specific implementation example of the utility model. Figure 2 .

[0029] In the figure:

[0030] 1. Burner body;

[0031] 11. Burner barrel; 110. Combustion chamber; 111. End flange; 112. Condensate discharge valve;

[0032] 12. Jacketed cylinder; 120. Heat tracing chamber; 121. Exhaust valve;

[0033] 2. Air intake assembly;

[0034] 21. Exhaust gas duct; 211. Clean steam inlet valve;

[0035] 22. Heating steam conduit; 221. Heating steam inlet valve;

[0036] 23. Air duct;

[0037] 3. Gas spray gun assembly;

[0038] 31. Gas collecting chamber; 32. Ever-burning lamp; 33. Gas nozzle; 331. Beveled surface; 34. Flame stabilizing plate; 341. Guide plate;

[0039] 4. Support components. DETAILED DESCRIPTION

[0040] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only the parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0041] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0042] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0043] In the description of this embodiment, the terms "upper", "lower", "right", etc., are based on the directions or positions shown in the drawings, and are only for the convenience of description and simplified operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0044] The technical solution of the utility model is further explained below with reference to the accompanying drawings and through specific implementation methods.

[0045] like Figures 1 to 5 As shown, this embodiment provides an oil-containing waste gas combustion device, including a burner body 1, an air intake assembly 2 and a gas spray gun assembly 3. The burner body 1 includes a burner barrel 11 and a jacket barrel 12 sleeved on the burner barrel 11, the burner barrel 11 is surrounded by a combustion chamber 110, and a heating chamber 120 is surrounded between the jacket barrel 12 and the burner barrel 11. Oil-containing waste gas flows in the combustion chamber 110, and heating steam flows in the heating chamber 120. The temperature of the heating steam is greater than the temperature of the oil-containing waste gas to prevent the oil contained in the oil-containing waste gas from condensing, thereby preventing the oil from adhering to the inner wall of the combustion chamber 110. An exhaust valve 121 is arranged on the outer wall of the jacket barrel 12, and the exhaust valve 121 is connected to the heating chamber 120 to realize the circulation of the heating steam in the heating chamber 120. The air intake assembly 2 includes an exhaust gas conduit 21, which is arranged on the outer wall of the burner barrel 11 and connected to the combustion chamber 110 to pass the oil-containing exhaust gas into the combustion chamber 110; at the same time, a clean steam intake valve 211 is convexly provided on the outer wall of the exhaust gas conduit 21 for passing clean steam. The clean steam circulates in the combustion chamber 110 to flush a small amount of oil stains adhering to the inner wall of the combustion chamber 110, so as to reduce the amount of oil stains adhering to the inner wall of the combustion chamber 110. The gas spray gun assembly 3 is fixedly arranged on the outer wall of the burner barrel 11, and the output end of the gas spray gun assembly 3 extends into the combustion chamber 110 so as to ignite the oil-containing exhaust gas and provide a fire source for the combustion process in the combustion chamber 110. The combustion device prevents condensed oil stains from adhering to the inner wall of the combustion cylinder by passing heating steam into the heating chamber 120; at the same time, clean steam is passed into the combustion chamber 110 to flush the inner wall of the burner cylinder 11 to flush a small amount of oil stains adhering to the inner wall of the burner cylinder 11, thereby reducing the amount of oil stains, thereby preventing the flame from burning along the inner wall of the combustion chamber 110, and extending the service life of the combustion device. In addition, the internal cleaning and flushing of the device can be completed without dismantling the device.

[0046] For example, Figure 1 As shown, in this embodiment, the burner barrel 11 includes two connected barrels, which are connected by a flange. The output end of the gas spray gun assembly 3 extends into the middle of the burner barrel 11 (only part of the burner barrel 11 is shown in the figure).

[0047] Specifically, clean steam is clean steam that does not contain pollutants, has high temperature, purity and impact effect, and can remove pollutants faster when cleaning oil stains, while no chemical substances that pollute the environment are emitted.

[0048] Alternatively, if Figure 4 and Figure 5 As shown, a condensate discharge valve 112 is convexly provided on the outer side of the bottom wall of the burner cylinder 11, and the condensate discharge valve 112 runs through the heating chamber 120 and is connected to the combustion chamber 110. When a small amount of oil condenses and adheres to the inner wall of the burner cylinder 11, a part of condensate will be precipitated. The setting of the condensate discharge valve 112 can ensure that the condensate is discharged in time.

[0049] For example, in this embodiment, two condensate discharge valves 112 are provided; in other embodiments, only one condensate discharge valve 112 may be provided or multiple condensate discharge valves 112 may be provided.

[0050] Optionally, refer to Figure 4 A support assembly 4 is protruding from the inner wall of the combustion chamber 110, and the support assembly 4 is used to support the gas spray gun assembly 3. Specifically, in this embodiment, the support assembly 4 includes a support plate and a support column, and one end of the gas spray gun assembly 3 extending into the combustion chamber 110 passes through the support plate, and one end of the support column away from the inner wall of the combustion chamber 110 abuts against the outer wall of the gas spray gun assembly 3.

[0051] For example, in this embodiment, two support columns are arranged at intervals along the circumference of the gas spray gun assembly 3; in other embodiments, the number of support columns can be set as needed.

[0052] Alternatively, if Figure 4 As shown, the air intake assembly 2 also includes a heating steam conduit 22, which is sleeved on the outside of the exhaust gas conduit 21 and connected to the heating chamber 120. The clean steam intake valve 211 penetrates the heating steam conduit 22 and is connected to the exhaust gas conduit 21. The above arrangement can prevent the oil contained in the oil-containing exhaust gas from condensing on the inner wall of the exhaust gas conduit 21 under the action of the heating steam during the process of the oil-containing exhaust gas entering the combustion chamber 110 through the exhaust gas conduit 21, thereby preventing the flame in the combustion chamber 110 from spreading along the oil on the inner wall of the exhaust gas conduit 21 into the exhaust gas conduit 21, thereby extending the service life of the exhaust gas conduit 21 and ensuring the safety of on-site operations.

[0053] Furthermore, a heating steam inlet valve 221 is convexly provided on the outer wall of the heating steam conduit 22, and the heating steam inlet valve 221 is connected to the heating steam conduit 22. The above arrangement can facilitate the heating steam to pass into the heating steam conduit 22.

[0054] Specifically, in this embodiment, a flange is fixedly provided at one end of the exhaust gas duct 21 away from the burner cylinder 11, which facilitates the connection of the exhaust gas duct 21 with the pipeline for conveying oil-containing exhaust gas, and can also seal one end of the heating steam duct 22 to ensure the closedness of the heating chamber 120.

[0055] Alternatively, if Figure 5As shown, the air intake duct also includes an air duct 23, which passes through the heating chamber 120 and is fixed to the outer wall of the burner cylinder 11. The air duct 23 is connected to the combustion chamber 110 and is used to introduce air into the combustion chamber 110. The introduced air can not only assist combustion but also dilute the oil-containing exhaust gas, thereby reducing the overall oxygen concentration of the combustion-supporting air, thereby reducing the generation of nitrogen oxides.

[0056] Optionally, refer to Figure 4 The gas spray gun assembly 3 includes a gas collecting chamber 31, a pilot lamp 32, and a plurality of gas nozzles 33. The gas collecting chamber 31 is fixed to the outer wall of the burner barrel 11, and gas is contained in the gas collecting chamber 31; the pilot lamp 32 extends in the horizontal direction and sequentially penetrates the gas collecting chamber 31 and the combustion chamber 110; the plurality of gas nozzles 33 are all connected to the gas collecting chamber 31, and are arranged at intervals along the circumference of the pilot lamp 32. The pilot lamp 32 can ignite the gas sprayed from the gas nozzle 33, thereby providing a fire source for the combustion in the combustion chamber 110.

[0057] Furthermore, a beveled surface 331 is provided at the output end of each burner nozzle, and each beveled surface 331 faces the output end of the ever-burning lamp 32 to ensure that the flame ejected from the output end of the ever-burning lamp 32 can fully contact the gas ejected from the output end of the gas nozzle 33, thereby ensuring the ignition effect of the gas spray gun assembly 3.

[0058] Optionally, continue to refer to Figure 4 The gas spray gun assembly 3 also includes a combustion stabilizing disk 34, which is sleeved on the output end of the ever-burning lamp 32. A plurality of guide plates 341 are arranged at intervals along the circumferential direction on the combustion stabilizing disk 34. Under the guiding effect of the guide plates 341, it can further ensure that the flame sprayed from the output end of the ever-burning lamp 32 can fully contact the gas sprayed from the output end of the gas nozzle 33.

[0059] Alternatively, if Figure 1 and Figure 4 As shown, the burner barrel 11 is provided with an end face flange 111 on one side facing the gas collecting chamber 31, and the gas collecting chamber 31 is detachably connected to the end face flange 111. Specifically, the gas collecting chamber 31 and the end face flange 111 are detachably connected using bolts or screws commonly used in the art, which facilitates the installation and subsequent replacement of the gas spray gun assembly 3.

[0060] Obviously, the above embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, various obvious changes, readjustments and substitutions can be made without departing from the scope of protection of the present invention. It is not necessary and impossible to list all implementation methods here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall be included in the scope of protection of the claims of the present invention.

Claims

1. An oil-containing waste gas combustion device, characterized in that: include: A burner body (1) comprises a burner cylinder (11) and a jacket cylinder (12) sleeved on the burner cylinder (11); the burner cylinder (11) is provided with a combustion chamber (110); a heating chamber (120) is provided between the jacket cylinder (12) and the burner cylinder (11); oil-containing waste gas flows through the combustion chamber (110); heating steam flows through the heating chamber (120); the temperature of the heating steam is greater than the temperature of the oil-containing waste gas; an exhaust valve (121) is provided on the outer wall of the jacket cylinder (12); the exhaust valve (121) is connected to the heating chamber (120); An air intake assembly (2) comprises an exhaust gas conduit (21), the exhaust gas conduit (21) being arranged on the outer wall of the burner barrel (11) and being connected to the combustion chamber (110), and a clean steam intake valve (211) being convexly arranged on the outer wall of the exhaust gas conduit (21) for introducing clean steam; A gas spray gun assembly (3) is fixedly mounted on the outer wall of the burner barrel (11), and an output end of the gas spray gun assembly (3) extends into the combustion chamber (110) so as to ignite the oil-containing waste gas.

2. The oil-containing waste gas combustion device according to claim 1, characterized in that: The air intake assembly (2) further comprises a heating steam conduit (22), wherein the heating steam conduit (22) is sleeved on the outside of the exhaust gas conduit (21) and is connected to the heating chamber (120); The clean steam inlet valve (211) passes through the heating steam conduit (22) and is connected to the exhaust gas conduit (21).

3. The oil-containing waste gas combustion device according to claim 2, characterized in that: A heating steam inlet valve (221) is protrudingly provided on the outer wall of the heating steam conduit (22), and the heating steam inlet valve (221) is connected to the heating steam conduit (22).

4. The oil-containing waste gas combustion device according to claim 1, characterized in that: The air intake assembly (2) further comprises an air duct (23), wherein the air duct (23) passes through the heating chamber (120) and is fixed to the outer wall of the burner barrel (11), and the air duct (23) is connected to the combustion chamber (110).

5. The oil-containing waste gas combustion device according to claim 1, characterized in that: The gas spray gun assembly (3) comprises a gas collecting chamber (31), a permanent lamp (32) and a plurality of gas nozzles (33); The gas collecting chamber (31) is fixedly arranged on the outer wall of the burner barrel (11), and the gas collecting chamber (31) is filled with gas; the ever-burning lamp (32) extends in the horizontal direction and passes through the gas collecting chamber (31) and the combustion chamber (110) in sequence; the plurality of gas nozzles (33) are all connected to the gas collecting chamber (31) and are arranged at intervals along the circumference of the ever-burning lamp (32); the ever-burning lamp (32) can ignite the gas ejected from the gas nozzle (33).

6. The oil-containing waste gas combustion device according to claim 5, characterized in that: The output end of each gas nozzle (33) is provided with a chamfered surface (331), and each chamfered surface (331) faces the output end of the ever-burning lamp (32).

7. The oil-containing waste gas combustion device according to claim 5, characterized in that: The gas spray gun assembly (3) further comprises a combustion stabilizing disk (34), wherein the combustion stabilizing disk (34) is sleeved on the output end of the ever-burning lamp (32), and a plurality of guide plates (341) are arranged at intervals along the circumferential direction on the combustion stabilizing disk (34).

8. The oil-containing waste gas combustion device according to claim 5, characterized in that: An end face flange (111) is provided on one side of the burner barrel (11) facing the gas collecting chamber (31), and the gas collecting chamber (31) is detachably connected to the end face flange (111).

9. The oil-containing waste gas combustion device according to any one of claims 1 to 8, characterized in that: A condensate discharge valve (112) is also protrudingly provided on the outer side of the bottom wall of the burner barrel (11); the condensate discharge valve (112) passes through the heating chamber (120) and is connected to the combustion chamber (110).

10. The oil-containing waste gas combustion device according to any one of claims 1 to 8, characterized in that: A support assembly (4) is protrudingly provided on the inner wall of the combustion chamber (110), and the support assembly (4) is used to support the gas spray gun assembly (3).

Images