Direct combustion furnace for waste gas treatment

Abstract

The utility model relates to the field of waste gas treatment, in particular to a direct-fired furnace for waste gas treatment, which comprises a direct-fired furnace shell, a compressor is fixedly communicated with the right end of the direct-fired furnace shell, and an air inlet is fixedly communicated with the right end of the compressor; the fuel gas pipe is inserted into the inner side from the outer side of the direct combustion furnace shell, the inner end of the fuel gas pipe is fixedly connected with a fuel gas pipe shunting pipe, the two sides of the fuel gas pipe shunting pipe are fixedly communicated with a multi-nozzle mechanism, and the multi-nozzle mechanism mainly comprises a central flaming assembly and an outer ring fuel gas pipe; the multi-nozzle direct combustion furnace has the advantages that by arranging the multi-nozzle mechanism, when waste gas enters the direct combustion furnace, comprehensive combustion treatment can be conducted on the waste gas entering the direct combustion furnace through the multi-nozzle mechanism, meanwhile, during combustion, turbulent flow treatment is conducted on the waste gas through the turbulent flow supporting plate, flowing or backflow of part of gas is slowed down, and sufficient combustion of the waste gas is achieved.

Description

Technical Field

[0001] The utility model relates to the field of waste gas treatment, in particular to a direct-fired furnace for waste gas treatment. Background Art

[0002] Direct-fired furnace is a heat treatment equipment that uses combustion gas to directly heat the material. The principle is to inject gas into the furnace, then ignite the gas, let the flame directly contact and ignite the waste gas, so that part of the organic waste gas is treated by combustion. This method has the advantages of simple operation and good treatment effect.

[0003] When in use, a traditional direct-fired furnace usually uses a single nozzle to burn the incoming exhaust gas, which may not be easy to completely burn the gas in all directions in the pipeline. At the same time, a large gas consumption is required to ensure that the single-direction gas nozzle has a good treatment effect on the exhaust gas. For this reason, the utility model proposes a direct-fired furnace for exhaust gas treatment to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a direct-fired furnace for waste gas treatment to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a direct-fired furnace for waste gas treatment, comprising a direct-fired furnace shell, a compressor fixedly connected to the right end of the direct-fired furnace shell, and an air inlet fixedly connected to the right end of the compressor; a gas pipe, the gas pipe is inserted from the outside of the direct-fired furnace shell into the inside, the inner end of the gas pipe is fixedly connected to a gas pipe diversion pipe, and both sides of the gas pipe diversion pipe are fixedly connected to a multi-nozzle mechanism, and the multi-nozzle mechanism mainly includes a central flame spraying assembly and an outer ring gas pipe.

[0006] Preferably, the right end of the diversion pipe is fixedly connected to a central gas pipe, the end of the central gas pipe is fixedly connected to a central flame spraying assembly, and five central nozzles are evenly and fixedly connected to the outer side of the central flame spraying assembly in a circular array.

[0007] Preferably, the left end of the diverter pipe is fixedly connected to the rear end face of the outer ring gas pipe, and the inner end of the outer ring gas pipe is evenly and fixedly connected with five outer ring nozzles in a circular array, and the outer ring nozzles and the central nozzle are arranged in an interlaced manner.

[0008] Preferably, a plurality of spoiler support plates are fixedly connected to the inner side of the direct-fired furnace shell, and the inner end of the spoiler support plate is a curved surface.

[0009] Preferably, a guide frame is fixedly connected to the inner end of the direct-fired furnace shell at the front end of the outer ring gas pipe, and the guide frame is funnel-shaped.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] The utility model is provided with a multi-nozzle mechanism, so that when the waste gas enters the direct-fired furnace, the entering waste gas can be fully burned through the multi-nozzle mechanism, and at the same time, during combustion, a spoiler support plate is used to turbulently treat the waste gas, so that part of the gas slows down the flow or flows back, thereby achieving full combustion of the waste gas. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the structure of the utility model;

[0013] Figure 2 This is a schematic diagram of the internal structure of the utility model;

[0014] Figure 3 It is a schematic diagram of the connection of some structures of the utility model;

[0015] Figure 4 It is a schematic diagram of the rear connection of some structures of the utility model.

[0016] In the figure: 1 direct-fired furnace shell, 2 gas pipe, 3 air inlet, 4 compressor, 5 center flame spray assembly, 6 center nozzle, 7 outer ring gas pipe, 8 outer ring nozzle, 9 guide frame, 10 spoiler support plate, 11 gas pipe diverter pipe. DETAILED DESCRIPTION

[0017] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of the utility model. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] In the description of the present utility model, it should be noted that the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "one", "first", "second", "third", "fourth", "fifth", "sixth" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0019] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" 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 it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0020] For the purpose of simplicity and illustration, the principles of the embodiments are mainly described by reference to examples. In the following description, many specific details are proposed to provide a thorough understanding of the embodiments. However, it is obvious that for those of ordinary skill in the art, these embodiments may not be limited to these specific details in practice. In some instances, known methods and structures are not described in detail to avoid making these embodiments unnecessarily difficult to understand. In addition, all embodiments can be used in combination with each other.

[0021] See also Figures 1 to 4 The utility model provides a technical solution: a direct-fired furnace for waste gas treatment, including a direct-fired furnace shell 1, a compressor 4 is fixedly connected to the right end of the direct-fired furnace shell 1, and an air inlet 3 is fixedly connected to the right end of the compressor 4; a gas pipe 2, the gas pipe 2 is inserted into the inner side of the direct-fired furnace shell 1 from the outside, and a gas pipe shunt pipe 11 is fixedly connected to the inner end of the gas pipe 2, and a multi-nozzle mechanism is fixedly connected on both sides of the gas pipe shunt pipe 11, and the multi-nozzle mechanism mainly includes a central flame spraying component 5 and an outer ring gas pipe 7.

[0022] The exhaust gas is sucked into the direct-fired furnace shell 1 through the compressor 4 from the air inlet 3, and the organic matter in the exhaust gas is burned and decomposed through the multi-nozzle mechanism to achieve exhaust gas treatment. The gas pipe 2 is used to connect the gas.

[0023] The right end of the shunt pipe 11 is fixedly connected to the central gas pipe, the end of the central gas pipe is fixedly connected to the central flame spraying assembly 5, the outside of the central flame spraying assembly 5 is evenly and fixedly connected with five central nozzles 6 in a circular array, the left end of the shunt pipe 11 is fixedly connected to the rear end face of the outer ring gas pipe 7, the inner end of the outer ring gas pipe 7 is evenly and fixedly connected with five outer ring nozzles 8 in a circular array, and the outer ring nozzles 8 and the central nozzles 6 are arranged in an interlaced manner.

[0024] The arrangement of the central nozzle 6 and the outer ring nozzle 8 allows the exhaust gas to be fully burned, avoiding the situation where the exhaust gas cannot be burned at certain angles. At the same time, the arrangement of multiple groups of nozzles allows the exhaust gas to be burned multiple times, making the combustion more comprehensive.

[0025] A flow-interference support plate 10 is fixedly connected to the inner side of the direct-fired furnace shell 1. The inner end of the flow-interference support plate 10 is an arc surface. A flow guide frame 9 is fixedly connected to the front end of the outer ring gas pipe 7 at the inner end of the direct-fired furnace shell 1. The flow guide frame 9 is funnel-shaped.

[0026] The guide frame 9 makes the exhaust gas gather at the inner circle of the central nozzle 6 and the outer ring nozzle 8, so that the exhaust gas can be stably burned. At the same time, the spoiler support plate 10 performs spoiler treatment on the exhaust gas, so that part of the gas slows down or flows back, so as to achieve full combustion of the exhaust gas.

[0027] In actual use, the exhaust gas is sucked into the direct-fired furnace shell 1 through the compressor 4 from the air inlet 3, the right end of the diverter pipe 11 is fixedly connected to the central gas pipe, the end of the central gas pipe is fixedly connected to the central flame-spraying assembly 5, the outer side of the central flame-spraying assembly 5 is evenly and fixedly connected with five central nozzles 6 in a circular array, the left end of the diverter pipe 11 is fixedly connected to the rear end face of the outer ring gas pipe 7, the inner end of the outer ring gas pipe 7 is evenly and fixedly connected with five outer ring nozzles 8 in a circular array, the outer ring nozzles 8 and the central nozzles 6 are arranged in a spaced arrangement, the arrangement of the central nozzles 6 and the outer ring nozzles 8 allows the exhaust gas to be fully burned, avoiding the situation where the exhaust gas cannot be burned at some angles, and at the same time, the arrangement of multiple groups of nozzles allows the exhaust gas to be burned multiple times, and the combustion is more comprehensive, the guide frame 9 allows the exhaust gas to aggregate in the inner circle of the central nozzle 6 and the outer ring nozzle 8, so that the exhaust gas is stably burned, and at the same time, the spoiler support plate 10 performs spoiler treatment on the exhaust gas, so that part of the gas slows down or flows back, so as to achieve full combustion of the exhaust gas.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A direct-fired furnace for waste gas treatment, characterized in that: include A direct-fired furnace shell (1), wherein the right end of the direct-fired furnace shell (1) is fixedly connected to a compressor (4), and the right end of the compressor (4) is fixedly connected to an air inlet (3); A gas pipe (2), the gas pipe (2) is inserted into the inner side of the direct-fired furnace shell (1) from the outer side, the inner end of the gas pipe (2) is fixedly connected to a gas pipe shunt pipe (11), and both sides of the gas pipe shunt pipe (11) are fixedly connected to a multi-nozzle mechanism, the multi-nozzle mechanism mainly comprising a central flame spraying assembly (5) and an outer ring gas pipe (7).

2. A direct-fired furnace for waste gas treatment according to claim 1, characterized in that: The right end of the flow distribution pipe (11) is fixedly connected to a central gas pipe, the end of the central gas pipe is fixedly connected to a central flame spraying assembly (5), and five central nozzles (6) are evenly and fixedly connected to the outside of the central flame spraying assembly (5) in a circular array.

3. A direct-fired furnace for waste gas treatment according to claim 2, characterized in that: The left end of the diverter pipe (11) is fixedly connected to the rear end face of the outer ring gas pipe (7), and the inner end of the outer ring gas pipe (7) is evenly and fixedly connected to five outer ring nozzles (8) in a circular array, and the outer ring nozzles (8) and the central nozzle (6) are arranged in an interlaced manner.

4. A direct-fired furnace for waste gas treatment according to claim 1, characterized in that: The inner side of the direct-fired furnace shell (1) is fixedly connected with a plurality of flow-interrupting support plates (10), and the inner end of the flow-interrupting support plates (10) is a curved surface.

5. The direct-fired furnace for waste gas treatment according to claim 1, characterized in that: The inner end of the direct-fired furnace shell (1) is fixedly connected to a guide frame (9) at the front end of the outer ring gas pipe (7), and the guide frame (9) is funnel-shaped.

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