Air mixing direct combustion type TO oxidation device
By incorporating a ventilation chamber, annular baffles, and fins between the outer shell and inner cylinder, the problem of incomplete fusion of multiple exhaust gases in a direct-fired TO oxidizer is solved, achieving uniform mixing and stable preheating of exhaust gases, and reducing fuel consumption and maintenance costs.
Patent Information
- Application Number
- CN202423295825.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2034-12-31
AI Technical Summary
Existing direct-fired TO oxidizers suffer from incomplete fusion of multiple waste gases and poor mixing efficiency.
A mixed-air direct-fired TO oxidation device is designed. By setting an air passage between the outer shell and the inner cylinder, the exhaust gas is premixed using annular baffles and fins. Reinforcing ribs and insulation cotton are added to the outer shell to improve structural stability.
It improves the mixing effect of exhaust gases, making the mixture more uniform and stable, reducing fuel consumption, saving resources and costs, and facilitating maintenance.
Smart Images

Figure CN223909543U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to waste gas treatment field especially is concerned with a mixed air direct combustion formula TO oxidation device. BACKGROUND
[0002] Direct combustion formula TO oxidation furnace is the heat that utilizes auxiliary fuel combustion, the temperature of combustible VOCs harmful gas is improved to reaction temperature, thereby happening oxidation decomposition.
[0003] In prior art, direct combustion formula oxidation furnace usually adopts the mode of direct combustion to treat waste gas, but the pre-mixing treatment of multiple different gases in oxidation furnace is less. UTILITY MODEL CONTENTS
[0004] (I) technical problem to be solved
[0005] The utility model wants to solve the problem to provide a mixed air direct combustion formula TO oxidation device to overcome the defect that multiple waste gas fusion is not complete and mixing efficiency is poor in prior art direct combustion formula TO oxidation furnace.
[0006] (II) technical scheme
[0007] In order to solve the technical problem, the utility model provides a mixed air direct combustion formula TO oxidation device, comprising:
[0008] The shape of the outer shell is circular, and the outer shell is provided with a first waste gas inlet, a second waste gas inlet, a burner connecting port and a tail gas outlet.
[0009] The inner cylinder is arranged at the mixing end, the outer wall of the inner cylinder is communicated with the first waste gas inlet and the second waste gas inlet, and the air passage is formed between the inner wall of the inner cylinder and the outer wall of the inner cylinder.
[0010] The mixed air direct combustion formula TO oxidation device as described above can be optionally provided with an access hole on the outer shell, and the access hole is located on the arc surface of the outer shell.
[0011] The mixed air direct combustion TO oxidation device as described above, optionally, a plurality of reinforcing ribs are arranged on the outside of the outer shell, and the reinforcing ribs are distributed at equal intervals on the outer shell.
[0012] The mixed air direct combustion TO oxidation device as described above, optionally, heat insulation cotton is arranged in the outer shell, and the heat insulation cotton is fixed in the outer shell by heat insulation nails.
[0013] The mixed air direct combustion TO oxidation device as described above, optionally, a plurality of fins are arranged, and the fins are distributed at equal intervals around the center of the inner cylinder.
[0014] The mixed air direct combustion TO oxidation device as described above, optionally, a plurality of air holes are arranged at equal intervals on the annular baffle.
[0015] The mixed air direct combustion TO oxidation device as described above, optionally, the outer shell and the inner cylinder are coaxial.
[0016] The mixed air direct combustion TO oxidation device as described above, optionally, a burner system is arranged outside the burner connecting port.
[0017] (Three) beneficial effects
[0018] The mixed air direct combustion TO oxidation device has the following beneficial effects:
[0019] (1) The air cavity is arranged between the shell and the inner cylinder, the waste gas flowing into the first waste gas inlet and the second waste gas inlet can enter the air cavity for premixing, and then flows out from the air holes on the annular baffle, the annular baffle can make the mixing of the gas more uniform and stable, and then the gas is preheated by the fins and enters the inner cylinder inlet and the burner connecting port. This design improves the fusion effect of the waste gas, makes the fusion of the waste gas more uniform and stable, and preheats and heats the waste gas during premixing, reduces the use of fuel, and saves resources and costs.
[0020] (2) The reinforcing ribs, heat insulation cotton and maintenance openings are arranged on the outer shell, so that the device is convenient to maintain, the temperature fluctuation is small, and the structure is stable. DRAWINGS
[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.
[0022] Figure 1The utility model discloses a kind of mixed wind direct-fired TO oxidation device's sectional view;
[0023] Figure 2 The utility model discloses a kind of mixed wind direct-fired TO oxidation device's sectional view;
[0024] Figure 3 The utility model discloses a kind of mixed wind direct-fired TO oxidation device's sectional view;
[0025] Figure 4 The utility model discloses a kind of mixed wind direct-fired TO oxidation device's sectional view.
[0026] Corresponding component name of each reference numeral in the drawing is: 1, outer shell body;11, first exhaust inlet;12, second exhaust inlet;13, combustor connecting port;14, tail gas outlet;15, outlet end;16, mixing end;2, inner cylinder;21, ventilation cavity;22, annular baffle;23, fin;24, vent hole;3, access hole;4, reinforcing rib;5, thermal insulation cotton. DETAILED DESCRIPTION
[0027] The present application will be described in detail below with reference to the accompanying drawings and specific embodiments.
[0028] The embodiments of the present application will be described below through specific examples. Those skilled in the art can easily understand other advantages and effects of the present application from the content disclosed in the specification. Obviously, the described embodiments are only some of the embodiments of the present application, not all. The present application can also be implemented or applied by other different specific embodiments, and each detail in the specification can be modified or changed based on different views and applications without departing from the spirit of the present application. It should be noted that the following embodiments and features in the embodiments can be combined with each other without conflict. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.
[0029] It should be noted that the various aspects of the embodiments described below are within the scope of the appended claims. It should be apparent that the aspects described herein can be embodied in a wide variety of forms and that any specific structure and / or function described herein is merely illustrative. Based on the present application, those skilled in the art should understand that one aspect described herein can be implemented independently of any other aspect, and two or more of these aspects can be combined in various ways. For example, devices can be implemented using any number and combination of the aspects set forth herein. In addition, this device and / or method can be implemented using other structures and / or functionality in addition to or other than one or more of the aspects set forth herein.
[0030] It is also need to be explained that the figures provided in the following embodiments only illustrate the basic concepts of the present application in a schematic way, and only the components related to the present application are shown in the figures, not the number, shape and size of the components when actually implemented, the shape, number and ratio of the components when actually implemented can be a random change, and the component layout pattern can also be more complex.
[0031] In addition, in the following description, specific details are provided in order to facilitate a thorough understanding of the examples. However, one skilled in the art will understand that the examples can be practiced without these specific details.
[0032] The technical solutions provided by the embodiments of the present application are described below in conjunction with the drawings.
[0033] Referring to Figures 1 to 4 The utility model provides a kind of mixed wind direct combustion formula TO oxidation device, it is characterized by, including: shell body 1 and inner cylinder 2. Among them, shell body 1 and inner cylinder 2 hollow inside, inner cylinder 2 is installed in one end inside shell body 1, exhaust gas can be mixed in ventilation cavity 21, to be input to burner connecting port 13, i.e. in inner cylinder 2 processing.
[0034] In Figures 1 to 4 In an optional embodiment, the shape of the shell body 1 is circular, and the shell body 1 is provided with a first exhaust gas inlet 11, a second exhaust gas inlet 12, a burner connecting port 13 and a tail gas outlet 14. The inside of the shell body 1 includes an outlet end 15 and a mixing end 16. The tail gas outlet 14 is arranged on one side of the outlet end 15, the burner connecting port 13 is arranged on one side of the mixing end 16, and the first exhaust gas inlet 11 and the second exhaust gas inlet 12 are arranged on the arc surface of the shell body 1.
[0035] Further, the shell body 1 is provided with an access hole 3, and the access hole 3 is located on the arc surface of the shell body 1. The experimenters can process and overhaul the inside of the equipment through the access hole 3.
[0036] Further, the shell body 1 is provided with a plurality of reinforcing ribs 4, and the plurality of reinforcing ribs 4 are distributed on the shell body 1 at equal intervals. The reinforcing ribs 4 can improve the connection performance of the shell body 1.
[0037] Among them, exhaust gas, especially VOCs exhaust gas, can flow from the first exhaust gas inlet 11 and the second exhaust gas inlet 12. The input exhaust gas is mixed in the ventilation cavity 21.
[0038] Further, the burner connecting port 13 is provided with a burner. The mixed exhaust gas enters the inner cylinder 2 for combustion. The tail gas after combustion can be discharged from the tail gas outlet 14.
[0039] Further, the inside of the outer shell 1 is provided with heat preservation cotton 5, and the heat preservation cotton 5 is fixed in the inside of the outer shell 1 by heat preservation nails. The heat preservation cotton 5 can further maintain the temperature inside the device constant, avoiding excessive heat loss, thereby causing poor heat utilization.
[0040] In Figures 1 to 4 In an optional embodiment, the inner cylinder 2 is conical, and the inner cylinder 2 is arranged at the mixing end 16. The outer wall of the inner cylinder 2 is in communication with the first waste gas inlet 11 and the second waste gas inlet 12. The outer wall of the inner cylinder 2 and the inner wall of the inner cylinder 2 form an air passage 21. The conical inner cylinder 2 can make the intake of the premixed waste gas more smooth.
[0041] Further, the air passage 21 is provided with an annular baffle 22 and a fin 23. One end of the annular baffle 22 is connected with the inner wall of the inner cylinder 2, and the other end of the annular baffle 22 is connected with the outer wall of the inner cylinder 2. The fin 23 is connected with the annular baffle 22. The first waste gas inlet 11 and the second waste gas inlet 12 are in communication with the air passage 21.
[0042] Further, the fin 23 has a plurality of fins 23, and the plurality of fins 23 are distributed at equal intervals around the center of the inner cylinder 2.
[0043] Further, a plurality of air holes 24 are arranged at equal intervals on the annular baffle 22.
[0044] It should be noted that the waste gas flowing into the first waste gas inlet 11 and the second waste gas inlet 12 can enter the air passage 21, and then flow out from the air holes 24 on the annular baffle 22. The annular baffle 22 can make the mixing of the gas more uniform and stable, and then preheat the gas flowing through the fin 23 into the inlet of the inner cylinder 2 and input into the burner connecting port 13, i.e. the inner cylinder 2.
[0045] Further, the outer shell 1 and the inner cylinder 2 are coaxial.
[0046] The specific steps of the mixed air direct combustion type TO oxidation device are as follows:
[0047] By arranging the air passage 21 between the inner wall of the inner cylinder 2 and the outer wall of the inner cylinder 2, the waste gas flowing into the first waste gas inlet 11 and the second waste gas inlet 12 can enter the air passage 21, and then flow out from the air holes 24 on the annular baffle 22. The annular baffle 22 can make the mixing of the gas more uniform and stable, and then preheat the gas flowing through the fin 23 into the inlet of the inner cylinder 2 and input into the burner connecting port 13, i.e. the inner cylinder 2.
[0048] By arranging the reinforcing ribs 4, the heat preservation cotton 5 and the maintenance opening 3 on the outer shell 1, the device is convenient to maintain, has small temperature fluctuation and stable structure.
[0049] For each of the embodiments described in this specification, the same parts and features are referred to by the same reference numerals in each of the embodiments. Each of the embodiments focuses on the differences between that embodiment and the other embodiments.
[0050] The above description is only specific embodiments of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art can easily think of changes or replacements within the technical scope disclosed by the present application, which should be covered by the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.
Claims
1. A mixed feed direct-fired TO oxidation device, characterized by, Include: The outer shell (1), the shape of the outer shell (1) is circular, the outer shell (1) is provided with first exhaust inlet (11), second exhaust inlet (12), combustor connecting port (13) and tail gas outlet (14), the inside of the outer shell (1) includes outlet end (15) and mixing end (16), the tail gas outlet (14) is arranged on one side of the outlet end (15), the combustor connecting port (13) is arranged on one side of the mixing end (16), the first exhaust inlet (11) and second exhaust inlet (12) are arranged on the arc surface of the outer shell (1); The inner cylinder (2), the shape of the inner cylinder (2) is conical, the inner cylinder (2) is arranged in the mixing end (16), the outer wall of the inner cylinder (2) is communicated with the first exhaust inlet (11), the second exhaust inlet (12), the air passage (21) is formed between the outer wall of the inner cylinder (2) and the inner wall of the inner cylinder (2), the annular baffle (22) and fin (23) are arranged in the air passage (21), one end of the annular baffle (22) is connected with the inner part of the outer wall of the inner cylinder (2), the other end of the annular baffle (22) is connected with the inner wall of the inner cylinder (2), the fin (23) is connected with the annular baffle (22), the first exhaust inlet (11), the second exhaust inlet (12) and the air passage (21) are communicated.
2. The direct-fired TO oxidation device of claim 1, wherein The outer shell (1) is provided with an access hole (3), and the access hole (3) is located on the arc surface of the outer shell (1).
3. The mixed feed direct-fired TO oxidizer of claim 1, wherein The outer shell (1) is provided with a plurality of reinforcing ribs (4), and a plurality of reinforcing ribs (4) are distributed on the outer shell (1) at equal intervals.
4. The mixed feed direct-fired TO oxidizer of claim 1, wherein The inside of the outer shell (1) is provided with thermal insulation cotton (5), and the thermal insulation cotton (5) is fixed in the inside of the outer shell (1) by thermal insulation nails.
5. The mixed feed direct-fired TO oxidizer of claim 1 wherein, The fin (23) has a plurality of, a plurality of the fin (23) is distributed around the center of the inner cylinder (2) at equal intervals.
6. The direct-fired TO oxidation device of claim 1, wherein A plurality of air holes (24) are arranged on the annular baffle (22) at equal intervals.
7. The direct-fired TO oxidizer of claim 1, wherein The outer shell (1) and the inner cylinder (2) are coaxial.
8. The direct-fired TO oxidizer of claim 1, wherein The combustor connecting port (13) is circumscribed with a combustor system.