CN211176842U - Waste gas burning oxidation furnace - Google Patents
Waste gas burning oxidation furnace Download PDFInfo
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- CN211176842U CN211176842U CN201921705741.4U CN201921705741U CN211176842U CN 211176842 U CN211176842 U CN 211176842U CN 201921705741 U CN201921705741 U CN 201921705741U CN 211176842 U CN211176842 U CN 211176842U
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Abstract
The utility model relates to a waste gas incineration oxidation furnace, which belongs to a thermal oxidation furnace and is of a bellows structure, comprising a furnace shell, a furnace chamber is arranged in the furnace shell, the top end of the furnace chamber is communicated with a burner, the bottom end of the furnace chamber is provided with a flue gas outlet, the furnace shell is sleeved with a waste gas bellows and an air bellows, the thermal oxidation furnace also comprises a waste gas spray gun which is arranged at the top of the waste gas bellows in a surrounding way, a spray gun pipe of the waste gas spray gun passes through the waste gas bellows, the air bellows is communicated with the furnace chamber, waste gas flows through the waste gas bellows in sequence, a through hole of the spray gun pipe and a spray gun body is sprayed into the furnace chamber to be incinerated, the device integrates the waste gas bellows and the spray gun pipe on the oxidation furnace; the waste gas spray gun penetrates through the air bellows, and even under the condition of low waste gas flow or no waste gas, the spray gun body is also under the cooling protection of combustion air, so that the service life of the spray gun is greatly prolonged.
Description
Technical Field
The utility model relates to a thermal oxidation furnace, in particular to a waste gas incineration oxidation furnace.
Background
In the waste gas and waste liquid incineration project, various waste gases need to be sent into a thermal oxidation furnace for incineration and harmless treatment. Because the amount of the waste gas and the calorific value thereof are different, the mode and the position of the waste gas fed into the thermal oxidation furnace and the stable operation of the thermal oxidation furnace have great relation with the treatment effect. For waste gas with large treatment capacity and a certain heat value, the problem of uniform distribution of the waste gas needs to be considered in the design of a mode of entering the thermal oxidation furnace so as to avoid the influence of bias flow on the flow field and flame stability in the hearth.
At present, the common treatment mode aiming at the waste gas with larger flow is to design an annular distribution pipe, a certain number of branch pipelines are arranged on an annular pipe, and the waste gas is sent into a waste gas spray gun which is uniformly distributed on a furnace body through the branch pipelines. However, in this design, the branch pipes are stress-concentrated, and each branch pipe needs to be provided with a metal hose, which increases the manufacturing cost, and has many potential exhaust gas leakage points and great difficulty in later maintenance and repair.
SUMMERY OF THE UTILITY MODEL
In order to overcome prior art's defect, the utility model provides a waste gas incineration oxidation furnace establishes air bellows and waste gas bellows through the end cover on the stove outer covering, and wherein furnace is kept away from to waste gas bellows to be equipped with the waste gas entry, waste gas bellows top is encircleed and is set up a plurality of waste gas spray gun, and waste gas is jetted into furnace through the spray gun pipe and is burned, through integrated design, has reduced latent leakage point, easy to maintain.
The technical scheme for realizing the purpose is as follows:
the utility model provides a waste gas incineration oxidation furnace, which comprises a furnace shell, wherein the furnace shell is provided with a hearth, the top end of the hearth is communicated with a burner for feeding materials, the bottom end of the hearth is provided with a flue gas outlet, an air bellows is sleeved on the furnace shell close to the upper end of the burner, a waste gas bellows is arranged in the air bellows, the waste gas bellows is arranged at the top of the air bellows in a surrounding manner and is far away from one end of the hearth, and the waste gas bellows is parallel to the air bellows and is not communicated with the air bellows;
the top of the waste gas air box is provided with a waste gas inlet, the lower end of the air box is provided with an air inlet, and the air box is also provided with a plurality of first through holes communicated with the hearth for the entry of combustion-supporting air so as to fully burn waste gas;
the waste gas spraying gun is provided with a spraying gun guide pipe, the spraying gun guide pipe sequentially penetrates through the waste gas air box, the air box and the furnace shell and then is communicated with the hearth, and a sealing cover is arranged at the top end, close to the waste gas air box, of the spraying gun guide pipe, so that waste gas leakage is prevented;
the utility model discloses a furnace, including the spray gun pipe, the spray gun pipe is equipped with the intercommunication the second through-hole of waste gas bellows, be equipped with the spray gun body in the spray gun pipe, the spray gun body is located the below of second through-hole, spray gun body intercommunication furnace, at the course of the work, waste gas gets into the waste gas bellows through the waste gas entry, gets into the spray gun pipe through different second through-holes in the waste gas bellows to spout waste gas into furnace from the place of difference, fully burn, during the operation, the flow of air in the air.
Furthermore, the upper end is gourd-shaped and consists of a vertical shell and an umbrella-shaped shell which are connected in a straight line, the umbrella-shaped shell is integrally arranged at the bottom of the vertical shell, and the bottom of the umbrella-shaped shell is connected with the furnace shell; or, the upper end is calabash form, comprises a vertical shell and an umbelliform shell that the pitch arc is connected, umbelliform shell an organic whole is located the bottom of vertical shell conveniently bears and fixes the air bellows.
Furthermore, the air bellows is positioned at the joint of the vertical shell and the umbrella-shaped shell, the cross section of the air bellows is parallelogram, the top of the air bellows is parallel to the umbrella-shaped shell, and the outer side of the air bellows is parallel to the vertical shell.
Furthermore, the section of the waste gas air box is parallelogram, the bottom of the waste gas air box is parallel to the top of the air box, the inner side part of the waste gas air box is parallel to the outer side part of the air box, and the waste gas air box is used for reducing the flow velocity of the entering waste gas and forming a static pressure box, so that the airflow in each spray gun guide pipe is uniformly distributed, the waste gas uniformly enters the hearth from each part of the hearth, and the waste gas is conveniently and fully burnt.
Further, the sealing ring device is sleeved between the spray gun guide pipe and the spray gun body, so that waste gas is prevented from entering the air bellows through a gap between the spray gun guide pipe and the spray gun body, and the waste gas is prevented from being mixed with combustion air in advance.
Further, the waste gas spray guns are uniformly distributed on the top of the waste gas wind box in a surrounding mode.
Has the advantages that: compared with the prior art, the utility model is different in that, the utility model provides a waste gas incineration oxidation furnace, for the bellows structure, including the stove outer covering, be equipped with furnace in the stove outer covering, the furnace top communicates the combustor, the furnace bottom is equipped with the exhanst gas outlet, the upper end of stove outer covering is around the cover to be equipped with waste gas bellows and air bellows, still include the waste gas spray gun of locating waste gas bellows top, the spray gun pipe of waste gas spray gun passes waste gas bellows, air bellows communicates in furnace, waste gas flows through waste gas bellows, the through-hole of spray gun pipe, the spray gun body sprays into furnace and burns in proper order, the device integrates waste gas bellows and waste gas spray gun on the oxidation furnace, multiple manifold structure has been avoided, the manufacturing degree of difficulty has been reduced, the problem that stress concentration and potential leakage point are many; meanwhile, the structure is compact, the occupied space is small, and more overhaul space can be reserved; the quadrilateral cross section design of the waste gas air box and the air box can be adjusted according to the treatment capacity of waste gas, so that the flow rate of the waste gas is as low as possible, and a static pressure box is formed, thereby uniformly distributing the gas flow in each spray gun guide pipe; the number of the waste gas spray guns can be adjusted according to the treatment capacity of the waste gas, the space of the annular air box is fully utilized, and the space outside the equipment is not influenced and occupied; the waste gas spray gun passes through the air bellows, and even under the condition of low waste gas flow or no waste gas, the waste gas spray gun is under the cooling protection of combustion air, thereby greatly prolonging the service life of the waste gas spray gun.
Drawings
Fig. 1 is a front sectional view of an exhaust gas incineration oxidation furnace.
Fig. 2 is a partially enlarged sectional view of the exhaust gas incineration oxidation furnace.
The device comprises a furnace shell, a hearth, a furnace chamber, a vertical shell, an umbrella-shaped shell, a combustor, a flue gas outlet, an upper end, an air bellows, a flue gas inlet, a flue gas outlet, a flue gas inlet, a flue gas outlet.
Detailed Description
The invention will be further explained with reference to the drawings and the specific embodiments.
Referring to fig. 1 and 2, the utility model provides a waste gas incineration oxidation furnace, including a stove outer covering 1, stove outer covering 1 has a furnace 10, the top of furnace 10 communicates has the combustor 13 of feeding material, and the bottom of furnace 10 is equipped with exhanst gas outlet 14, and the flue gas that has burnt flows out by exhanst gas outlet 14, and the upper end 15 of stove outer covering 1 encircles and is equipped with air bellows 2, be equipped with waste gas bellows 3 in the air bellows 2, waste gas bellows 3 is located the top of air bellows 2 keeps away from the one end of furnace 10, waste gas bellows 3 with air bellows 2 are parallel and each other not communicate;
the top of the waste gas air box 3 is provided with a waste gas inlet 31, the lower end of the air box 2 is provided with an air inlet 21, and the air box 2 is also provided with a plurality of first through holes 22 communicated with the hearth 10 for the entry of combustion-supporting air so as to fully burn waste gas;
the waste gas spraying device is characterized by further comprising a plurality of waste gas spraying guns 4, wherein each waste gas spraying gun 4 is provided with a spraying gun guide pipe 41, the spraying gun guide pipe 41 sequentially penetrates through the waste gas air box 3, the air box 2 and the furnace shell 1 and then is communicated with the hearth 10, in the working process, combustion-supporting air in the air box 2 flows rapidly to effectively cool the spraying gun guide pipe 41 at the section of the air box 2, the service life of each waste gas spraying gun 4 is prolonged, and a sealing cover 42 is arranged at the position, close to the top end of the waste gas air box 3, of each spraying gun guide pipe 41 to prevent;
the spray gun guide pipe 41 is provided with a second through hole 43, preferably a waist-shaped hole, which is communicated with the waste gas wind box 3, each spray gun guide pipe 41 is provided with 4 waist-shaped holes, a spray gun body 44 is arranged in each spray gun guide pipe 41, the spray gun body 44 is positioned below the second through hole 43, the spray gun bodies 44 are communicated with the hearth 10, waste gas enters the waste gas wind box 3 through the waste gas inlet 31, and enters the spray gun guide pipes 41 through different second through holes 43 in the waste gas wind box 3, so that the waste gas is sprayed into the hearth 10 from different places for sufficient combustion.
Preferably, the upper end 15 is gourd-shaped and is composed of a vertical shell 11 and an umbrella-shaped shell 12 which are connected in a straight line, the umbrella-shaped shell 12 is integrally arranged at the bottom of the vertical shell 11, and the bottom of the umbrella-shaped shell 12 is connected with the furnace shell 1, so that the air bellows 2 can be conveniently supported and fixed; obviously, the person skilled in the art can also easily imagine an arc connection between the vertical shell 11 and the umbrella-shaped shell 12, making a smooth transition, and this solution is also within the scope of the present invention.
Preferably, the air bellows 2 is located at the junction of the vertical shell 11 and the umbrella-shaped shell 12, and the cross section of the air bellows 2 is a parallelogram, the top of the air bellows is parallel to the umbrella-shaped shell 12, and the outer side of the air bellows is parallel to the vertical shell 11.
Preferably, the section of the waste gas wind box 3 is a parallelogram, the bottom of the waste gas wind box is parallel to the top of the air wind box 2, the inner side of the waste gas wind box is parallel to the outer side of the air wind box 2, and the waste gas wind box is used for reducing the flow velocity of the entering waste gas and forming a static pressure box, so that the airflow in each spray gun guide pipe 41 is uniformly distributed, the waste gas enters the hearth 10 from different points of the hearth 10, and the full incineration of the waste gas is facilitated.
Preferably, a sealing ring device is sleeved between the lance guide pipe 41 and the lance body 44 to prevent waste gas from entering the air bellows through a gap between the lance guide pipe 41 and the lance body 44 and from mixing with combustion air in advance.
Preferably, the waste gas spray guns 4 are uniformly distributed on the top of the waste gas wind box 3 in a surrounding manner, so that waste gas can uniformly enter a hearth to be fully combusted.
It should be noted that, as those skilled in the art can easily understand, the cross-section of the air bellows and the waste gas bellows can be configured as a rectangle, a square, a rhombus, or other special quadrangles or circles according to actual needs, and based on the obvious improvements of the present invention, the present invention should also be within the protection scope of the present invention.
In addition, the embodiment of the present invention and fig. 1 and 2 are vertical structures, and can be applied to horizontal structures as well.
It should be noted that the terms "first and second" in the present invention are used for descriptive purposes only, do not denote any order, are not to be construed as indicating or implying any relative importance, and are to be interpreted as names.
The above embodiments are merely preferred embodiments of the present disclosure, which are not intended to limit the present disclosure, and any modifications, equivalents, improvements and the like, which are within the spirit and principle of the present disclosure, should be included in the scope of the present disclosure.
Claims (7)
1. A waste gas incineration oxidation furnace comprises a furnace shell, wherein the furnace shell is provided with a hearth, the top end of the hearth is communicated with a burner for feeding materials, and the bottom end of the hearth is provided with a flue gas outlet;
the top of the waste gas air box is provided with a waste gas inlet, the lower end of the air box is provided with an air inlet, and the air box is also provided with a plurality of first through holes communicated with the hearth;
the waste gas spraying gun is provided with a spraying gun guide pipe, the spraying gun guide pipe sequentially penetrates through the waste gas air box, the air box and the furnace shell and then is communicated with the hearth, and a sealing cover is arranged at the top end, close to the waste gas air box, of the spraying gun guide pipe;
the spray gun guide pipe is provided with a second through hole communicated with the waste gas air box, a spray gun body is arranged in the spray gun guide pipe and is located below the second through hole, and the spray gun body is communicated with the hearth.
2. The waste gas incineration oxidation furnace of claim 1, wherein:
the upper end is calabash form, comprises a vertical shell and an umbelliform shell of sharp connection, umbelliform shell an organic whole is located the bottom of vertical shell, the bottom of umbelliform shell is connected the stove outer covering.
3. The waste gas incineration oxidation furnace of claim 1, wherein:
the upper end is calabash form, comprises a vertical shell and an umbelliform shell that the pitch arc is connected, umbelliform shell an organic whole is located the bottom of vertical shell, the bottom of umbelliform shell is connected the stove outer covering.
4. The waste gas incineration oxidation furnace of claim 2 or 3, characterized in that:
the air bellows is positioned at the joint of the vertical shell and the umbrella-shaped shell, the cross section of the air bellows is parallelogram, the top of the air bellows is parallel to the umbrella-shaped shell, and the outer side part of the air bellows is parallel to the vertical shell.
5. The waste gas incineration oxidation furnace of claim 4, wherein:
the section of the waste gas air box is a parallelogram, the bottom of the waste gas air box is parallel to the top of the air box, and the inner side of the waste gas air box is parallel to the outer side of the air box.
6. The waste gas incineration oxidation furnace of claim 1, wherein:
and a sealing ring device is sleeved between the spray gun guide pipe and the spray gun body.
7. The waste gas incineration oxidation furnace of claim 1, wherein:
the waste gas spray guns are uniformly distributed on the top of the waste gas air box in a surrounding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921705741.4U CN211176842U (en) | 2019-10-12 | 2019-10-12 | Waste gas burning oxidation furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921705741.4U CN211176842U (en) | 2019-10-12 | 2019-10-12 | Waste gas burning oxidation furnace |
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| Publication Number | Publication Date |
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| CN211176842U true CN211176842U (en) | 2020-08-04 |
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| CN201921705741.4U Active CN211176842U (en) | 2019-10-12 | 2019-10-12 | Waste gas burning oxidation furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110631033A (en) * | 2019-10-12 | 2019-12-31 | 亚德（上海）环保系统有限公司 | Waste gas burning oxidation furnace |
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2019
- 2019-10-12 CN CN201921705741.4U patent/CN211176842U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110631033A (en) * | 2019-10-12 | 2019-12-31 | 亚德（上海）环保系统有限公司 | Waste gas burning oxidation furnace |
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