Incineration treatment device and system for anaerobic odor in sewage treatment

Abstract

The present invention discloses an incineration treatment device and system for anaerobic odor in sewage treatment, the system comprises an incineration treatment device, a heat recovery unit, a chimney, a first pipe connected to the second air inlet of the incineration treatment device for anaerobic odor in sewage treatment, a second pipe connected between the lower channel and the chimney, and a third pipe connected between the second air outlet and the chimney. The heat recovery unit comprises a heat recovery fan, a heat recovery body whose hot gas inlet is connected to the third pipe and whose hot gas outlet is connected to the inlet of the heat recovery fan, a fourth pipe connected between the heat recovery fan and the back-blowing port, a fifth pipe connected between the heat recovery fan and the first pipe, and a sixth pipe connected between the heat recovery fan and the second pipe. The present invention utilizes the heat recovery unit to recover the heat generated by the RTO (incineration treatment device), and utilizes the pipe setting so that the heat energy can be used for different purposes, which greatly improves the utilization rate of the heat energy.

Description

Technical Field

[0001] The invention relates to an incineration treatment device and system for anaerobic odor in sewage treatment. Background Art

[0002] The textile coating industry releases a large amount of low-concentration organic waste gas during the production process. Due to the presence of organic matter, the waste gas has a strong odor. If it is directly discharged without treatment, it will have a serious impact on the air quality. Therefore, the waste gas needs to be burned. If a large amount of low-concentration organic waste gas is directly burned in the RTO, part of the heat energy will be directly discharged with the exhaust gas after the RTO generates heat, which will have a certain impact on the furnace temperature, energy consumption and treatment and emission effects. Summary of the invention

[0003] The purpose of the present invention is to provide an incineration treatment device with high combustion efficiency for anaerobic odor in sewage treatment.

[0004] To achieve the above-mentioned purpose, the technical solution adopted by the present invention is: an incineration treatment device for anaerobic odor in sewage treatment, which includes an incineration chamber and a distribution chamber, the incineration chamber includes an incineration box, an air distribution layer, a heat storage layer and a guide impeller arranged in the incineration box from bottom to top, the upper end of the incineration box is provided with a backflush port and a second air outlet, the air distribution layer includes a plurality of air distribution channels distributed in an annular shape and each of which is connected up and down, the guide impeller forms a plurality of guide channels connected up and down, each of the air distribution channels corresponds to one guide channel, the distribution chamber includes a distribution inner cover arranged below the incineration box, a distribution inner cover arranged in the distribution inner cover and fixedly connected to the distribution inner cover A rotating shaft, a distribution outer cover sleeved on the outside of the distribution inner cover, the space in the distribution inner cover is divided into a first cavity and a second cavity that are not connected, the upper end of the first cavity is provided with a first air outlet, the first air outlet is rotated by a certain angle and is correspondingly connected with part of the air distribution channel, a first air inlet is provided on the side wall of the first cavity, the upper layer of the distribution outer cover is connected with the first cavity, the side wall of the distribution outer cover is provided with a second air inlet, the space between the upper layer of the distribution outer cover and the outside of the first cavity and the second air inlet form an upper channel, the lower layer is connected with the second cavity, and the lower layer of the distribution outer cover and the lower end opening of the second cavity form a lower channel.

[0005] Optimally, a plurality of air diffusion plates are provided in each of the air distribution channels, and a plurality of air diffusion holes are provided on the air diffusion plates.

[0006] Optimally, the air diffuser plate is arranged obliquely, and the outer edge of the air diffuser plate is higher than the inner edge thereof close to the air separation channel.

[0007] The present invention also provides an energy-saving, environmentally friendly, and highly efficient heat energy utilization treatment system, which comprises an incineration treatment device for anaerobic odor in sewage treatment, a heat recovery unit, and a chimney. The incineration treatment device for anaerobic odor in sewage treatment is the above-mentioned incineration treatment device for anaerobic odor in sewage treatment. The system also comprises a first pipe connected to the second air inlet of the incineration treatment device for anaerobic odor in sewage treatment, a second pipe connected between the lower channel and the chimney, and a third pipe connected between the second air outlet and the chimney. The heat recovery unit comprises a heat recovery fan, a heat recovery body whose hot gas inlet is connected to the third pipe and whose hot gas outlet is connected to the inlet of the heat recovery fan, a fourth pipe connected between the heat recovery fan and the backblowing port, a fifth pipe connected between the heat recovery fan and the first pipe, and a sixth pipe connected between the heat recovery fan and the second pipe.

[0008] Optimally, the first pipeline is connected with an exhaust gas straight exhaust pipe, an air intake valve, a fresh air introduction pipe, and a main fan in sequence, and the fifth pipeline is connected to the first pipeline and is located between the fresh air introduction pipe and the main fan.

[0009] Optimally, the second pipe is coated with fireproof cotton.

[0010] Optimally, an electric control valve is provided on the third pipeline and downstream of the connection between the third pipeline and the heat recovery body.

[0011] Optimally, the fourth pipeline, the fifth pipeline and the sixth pipeline are respectively provided with electric control valves.

[0012] Optimally, the heat recovery body is a thermal oil heat exchanger or a waste heat boiler.

[0013] Due to the application of the above technical solution, the present invention has the following advantages compared with the prior art: the present invention utilizes the heat recovery unit to recover the heat generated by RTO (an incineration treatment device for anaerobic odor in sewage treatment), and utilizes pipeline settings to enable the heat energy to be used for different purposes, thereby greatly improving the utilization rate of the heat energy. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Attached Figure 1 It is a structural diagram of the processing system;

[0015] Attached Figure 2 It is a schematic diagram of the structure of the incineration treatment device for anaerobic odor used in sewage treatment;

[0016] Attached Figure 3 Schematic diagram of the structure of the diffuser plate. DETAILED DESCRIPTION

[0017] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present application, so the present application is not limited by the specific embodiments disclosed below.

[0018] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0019] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of this application, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0020] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like 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, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0021] In the present application, unless otherwise clearly specified and limited, the first feature "above" or "below" the second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature may be that the first feature is directly above or obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. The first feature "below", "below" and "below" the second feature may be that the first feature is directly below or obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature. It should be noted that when an element is referred to as "fixed to" or "set on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected" to another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "up", "down", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation method.

[0022] The treatment system comprises an incineration treatment device 1 for anaerobic odor in sewage treatment, a heat recovery unit 2, a chimney 3, a first pipeline 4, a second pipeline 5, and a third pipeline 6.

[0023] The incineration treatment device 1 includes an incineration chamber 11 and a distribution chamber 12. The incineration chamber 11 includes an incineration box 111, an air distribution layer 112, a heat storage layer 110 and a guide impeller 114 which are sequentially arranged in the incineration box 111 from bottom to top. The upper end of the incineration box 111 is provided with a back-blowing port 1112 and a second air outlet 1111. The air distribution layer 112 includes a plurality of air distribution channels 113 which are distributed in an annular manner and are respectively connected up and down. The guide impeller 114 forms a plurality of guide channels 115 which are connected up and down. Each air distribution channel 113 corresponds to a guide channel 115. The distribution chamber 12 includes an inner distribution cover 121 arranged below the incineration box 111, a rotating shaft 122 which is arranged in the inner distribution cover 121 and is fixedly connected to the inner distribution cover 121, and an outer distribution cover 123 which is sleeved on the outer side of the inner distribution cover 121. The space is divided into a first cavity 124 and a second cavity 125 which are not directly connected. A first air outlet 1241 is provided at the upper end of the first cavity 124. After the first air outlet 1241 rotates a certain angle (determined according to the number of guide impellers), it is correspondingly connected with part of the air distribution channel 113. A first air inlet 1242 is provided on the side wall of the first cavity 124. A second air inlet 120 is opened on the side wall of the distribution outer cover 123. The second air inlet 120 and the upper layer of the distribution outer cover 123 are connected to the first cavity 124. The space between the second air inlet 120, the upper layer of the distribution outer cover 123 and the outer side of the first cavity 124 forms an upper channel 126. The lower layer of the distribution outer cover 123 is connected to the second cavity 125, and the lower layer of the distribution outer cover and the lower end opening of the second cavity 125 form a lower channel 127. A plurality of air diffusers 116 are provided in each air distribution channel 113, and a plurality of air diffusers 117 are provided on the air diffusers 116. The air diffusers 116 are arranged at an angle, and the outer edge of the air diffusers 116 is higher than the inner edge thereof near the air distribution channel 113. The air diffusers 116 around the air diffusers 117 are provided with an annular protrusion 118 extending downward, and the lower end surface of the protrusion 118 is undulating. When back-blowing, any condensed water droplets can be dispersed into smaller water vapor under the guidance of the protrusion, and can be easily discharged, thereby preventing the water vapor from corroding the air diffusers. The inclined air diffusers can not only improve the uniformity of gas distribution, but also enable the gas to form a shear force on the water droplets, thereby improving the degree of water vapor dispersion, and further preventing the water vapor from corroding the air diffusers.

[0024] The first pipe 4 is connected to the second air inlet of the incineration treatment device for anaerobic odor in sewage treatment, the second pipe 5 is connected between the lower channel and the chimney, and the third pipe 6 is connected between the second air outlet and the chimney.

[0025] The heat recovery unit 2 includes a heat recovery fan 21, a heat recovery body 24 whose hot gas inlet 22 is connected to the third pipe 6 and whose hot gas outlet 23 is connected to the inlet of the heat recovery fan 21, a fourth pipe 25 connected between the heat recovery fan 21 and the back-blowing port, a fifth pipe 26 connected between the heat recovery fan 21 and the first pipe 4, and a sixth pipe 27 connected between the heat recovery fan 21 and the second pipe 5. The heat recovery body 24 is a heat transfer oil heat exchanger or a waste heat boiler.

[0026] The first pipe 4 is connected to an exhaust gas straight pipe 41, an air intake valve 42, a fresh air introduction pipe 43, and a main fan 44 in sequence, and the fifth pipe 26 is connected to the first pipe 4 and is located between the fresh air introduction pipe 42 and the main fan 44. The second pipe 5 is coated with fireproof cotton 51. An electric control valve 0 is provided on the third pipe 6 and downstream of the connection between the third pipe 6 and the heat recovery body 24. The fourth pipe 25, the fifth pipe 26, and the sixth pipe 27 are respectively provided with electric control valves 0.

[0027] The above embodiments are only for illustrating the technical concept and features of the present invention, and their purpose is to enable people familiar with the technology to understand the content of the present invention and implement it accordingly, and they cannot be used to limit the protection scope of the present invention. Any equivalent changes or modifications made according to the spirit of the present invention should be included in the protection scope of the present invention.

Claims

1. An incineration treatment device for anaerobic odor in sewage treatment, comprising an incineration chamber, a distribution chamber and a heat recovery unit, characterized in that: The incineration chamber includes an incineration box, an air distribution layer, a heat storage layer and a guide impeller which are arranged in the incineration box from bottom to top, a back-blowing port and a second air outlet are arranged at the upper end of the incineration box, the air distribution layer includes a plurality of air distribution channels which are distributed in an annular manner and are connected up and down respectively, the guide impeller forms a plurality of guide channels which are connected up and down, each of the air distribution channels corresponds to one guide channel, the distribution chamber includes an inner distribution cover arranged below the incineration box, a rotating shaft which is arranged in the inner distribution cover and fixedly connected to the inner distribution cover, and an outer distribution cover which is sleeved on the outside of the inner distribution cover, the space in the inner distribution cover is divided into a first cavity which is not connected to a second cavity, a first air outlet is arranged at the upper end of the first cavity, and the first air outlet is connected to part of the air distribution channels after rotating a certain angle. The first cavity is provided with a first air inlet, the upper layer of the distribution outer cover is connected with the first cavity, the side wall of the distribution outer cover is provided with a second air inlet, the space between the upper layer of the distribution outer cover and the outer side of the first cavity and the second air inlet forms an upper channel, the lower layer is connected with the second cavity, and the lower layer of the distribution outer cover and the lower end opening of the second cavity form a lower channel, the heat recovery part includes a heat recovery fan, a heat recovery body whose hot air inlet is connected with the third pipe and whose hot air outlet is connected with the inlet of the heat recovery fan, a fourth pipe connected between the heat recovery fan and the backblowing port, a fifth pipe connected between the heat recovery fan and the first pipe, and a sixth pipe connected between the heat recovery fan and the second pipe.

2. The incineration treatment device for anaerobic odor in sewage treatment according to claim 1 is characterized in that: A plurality of air diffusion plates are arranged in each of the air distribution channels, and a plurality of air diffusion holes are opened on the air diffusion plates.

3. The incineration treatment device for anaerobic odor in sewage treatment according to claim 2 is characterized in that: The air diffuser plate is arranged obliquely, and the outer edge of the air diffuser plate is higher than the inner edge thereof close to the air separation channel.

4. A treatment system, comprising an incineration treatment device and a chimney for anaerobic odor in sewage treatment, characterized in that: The incineration treatment device is the incineration treatment device for anaerobic odor in sewage treatment as described in any one of claims 1 to 3, and the system also includes a first pipe connected to the second air inlet of the incineration treatment device for anaerobic odor in sewage treatment, a second pipe connected between the lower channel and the chimney, and a third pipe connected between the second air outlet and the chimney.

5. The processing system according to claim 4, characterized in that: The first pipeline is connected to an exhaust gas straight exhaust pipe, an air intake valve, a fresh air introduction pipe, and a main fan in sequence, and the fifth pipeline is connected to the first pipeline and is located between the fresh air introduction pipe and the main fan.

6. The processing system according to claim 4, characterized in that: The second pipe is coated with fireproof cotton.

7. The processing system according to claim 4, characterized in that: An electric control valve is provided on the third pipeline and downstream of the connection between the third pipeline and the heat recovery body.

8. The processing system according to claim 4, characterized in that: The fourth pipeline, the fifth pipeline and the sixth pipeline are respectively provided with electric control valves.

9. The processing system according to claim 4, characterized in that: The heat recovery body is a thermal oil heat exchanger or a waste heat boiler.

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