Rotary RTO (Regenerative Thermal Oxidation) device for treating various waste gases

By designing rotating modules and multiple sets of combustion rooms in the RTO device, the problem that the existing RTO device cannot run normally when the heat storage room damage is damaged, and the efficient treatment of exhaust gas and the improvement of pollution gas treatment efficiency.

CN222417480UActive Publication Date: 2025-01-28QINGDAO WANJING ENVIRONMENTAL PROTECTION TECH CO LTD
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Patent Information

Application Number
CN202420988257.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-09
Publication Date
2025-01-28
Estimated Expiration
2034-05-09

AI Technical Summary

Technical Problem

The existing RTO devices cannot operate normally when the heat storage chamber is damaged, resulting in a greatly reduced efficiency of polluted gas treatment.

Method used

A rotating RTO device is designed with three sets of combustion chambers and ceramic heat storage bodies inside. The exhaust gas is free to switch through the rotary switching component to avoid the overall failure of a single combustion room damage.

Benefits of technology

The efficient treatment of exhaust gas is achieved, the overall failure of the burning room is damaged, and the efficiency of pollution gas treatment is improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a rotary type RTO device for treating various waste gases, which comprises an RTO device body, three groups of combustion chambers are uniformly arranged in the RTO device body, the three groups of combustion chambers are isolated through refractory brick walls, and meanwhile, the interiors of the three groups of combustion chambers are all supplied with heat through combustion engines. A first inlet pipe, a second inlet pipe and a third inlet pipe are installed at the bottoms of the three combustion chambers correspondingly, and RTO ceramic heat accumulators are installed on the lower sides of the interiors of the three combustion chambers correspondingly. According to the rotary RTO device for treating the multiple waste gases, the waste gases can enter the combustion chamber on the left portion in the RTO device body from the first inlet pipe to be combusted, the waste gas combustion work of the three combustion chambers can be freely switched through a sealing base and a switching table, and the situation that when the interiors of the combustion chambers are damaged, the whole RTO device cannot be used is avoided; the treatment efficiency of the pollution gas is greatly improved.
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Description

Technical Field

[0001] The utility model relates to the field of RTO devices, in particular to a rotary RTO device for treating various waste gases. Background Art

[0002] RTO device, namely Regenerative Thermal Oxidizer (RTO for short), is an organic waste gas treatment equipment that combines high-temperature oxidation with heat storage technology. This device can treat most VOC gases, has a high degree of automation, low operating costs, and is widely used in waste gas treatment projects.

[0003] RTO waste gas incineration equipment is a waste gas treatment equipment with a relatively wide range of applications so far. It is an effective choice for various chemical, pharmaceutical and production emission enterprises. The RTO furnace body adopts a heat storage heat exchanger and heat storage filling materials, which can maintain the heat recovery rate and purification treatment effect above 95% and above 99%;

[0004] The heat storage chamber inside the RTO device is set as an integral whole, which brings the disadvantage that when the heat storage chamber is damaged (for example, the burner is damaged or the RTO ceramic heat storage body cannot be used), the entire RTO device cannot be used, which greatly reduces the treatment efficiency of the polluted gas. Utility Model Content

[0005] The purpose of the utility model is to provide a rotary RTO device for treating various exhaust gases, so as to solve the defects mentioned in the above background technology.

[0006] To achieve the above-mentioned purpose, a rotary RTO device for treating various exhaust gases is provided, comprising an RTO device body, wherein three groups of combustion chambers are evenly arranged inside the RTO device body, and the three groups of combustion chambers are isolated by refractory brick walls, and the interiors of the three groups of combustion chambers are all heated by burners, and the bottoms of the three groups of combustion chambers are respectively installed with a first inlet pipe, a second inlet pipe and a third inlet pipe, and the lower sides of the three groups of combustion chambers are all installed with RTO ceramic heat storage bodies;

[0007] The first inlet pipe, the second inlet pipe and the third inlet pipe are connected to the exhaust pipe through a rotary switching component. The rotary switching component includes a support seat, and the bottom of the support seat is screwed and fixed to the base. At the same time, a switching table is movably installed inside the support seat, and a sealing seat is installed inside the switching table. Three groups of switching holes are evenly arranged inside the sealing seat, and the three groups of switching holes are fixedly connected to the first inlet pipe, the second inlet pipe and the third inlet pipe respectively.

[0008] Preferably, the sealing seat is a cylindrical structure, and the axial cross-section of the sealing seat and the switching table is a concentric circle structure, and a rubber sealing pad is fixedly arranged at the bottom of the sealing seat.

[0009] Preferably, an inlet hole is provided on the bottom plate of the switching table, and the main pipe is fixedly installed inside the inlet hole, and the bottom of the main pipe is fixed to the exhaust pipe.

[0010] Preferably, the bottom of the switching table is screwed and fixed to the mounting box, and a large worm gear is fixedly installed on the outside of the mounting box, and the size of the large worm gear is adapted to the worm, and the large worm gear is meshed with the worm, and the end of the worm is fixed to the output shaft of the drive motor, and the drive motor is fixed to the surface of the base through a machine base.

[0011] Preferably, four sets of sliders are evenly arranged on the outer side of the switching table and the bottom of the installation box, and the installation box is slidably arranged in a slide groove opened on the surface of the base through the sliders at the bottom, and the switching table is slidably arranged in a slide groove opened on the inner wall of the support seat through the sliders on the outer side.

[0012] Preferably, the exhaust gas inside the exhaust pipe is connected through the main pipe, the inlet hole and the switching hole, and the three groups of switching holes are connected to the inside of the three groups of combustion chambers through the first inlet pipe, the second inlet pipe and the third inlet pipe respectively.

[0013] Compared with the prior art, the beneficial effects of the utility model are: the exhaust gas can enter the combustion chamber on the left side of the RTO device body from the first inlet pipe for combustion, and the exhaust gas combustion work of the three groups of combustion chambers can be freely switched through the sealing seat and the switching table, avoiding the situation where the entire RTO device cannot be used when the combustion chamber is damaged, thereby greatly improving the treatment efficiency of polluted gases. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the front view of the structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the rotary switching assembly of the utility model;

[0016] Figure 3 The utility model structure Figure 2 Appearance diagram;

[0017] Figure 4 This is a schematic diagram of the cross-sectional structure of the sealing seat and the switching table of the utility model;

[0018] Figure 5 This is a schematic diagram of the installation structure of the structural sealing seat, switching table and installation box of the utility model.

[0019] Numbers in the figure: 1. RTO device body; 2. Combustion chamber; 3. First inlet pipe; 4. Second inlet pipe; 5. Third inlet pipe; 6. Exhaust pipe; 7. Rotary switching assembly; 71. Sealing seat; 72. Switching hole; 73. Switching table; 730. Inlet hole; 74. Support seat; 75. Main pipe; 76. Installation box; 77. Base; 78. Slider; 79. Large worm gear; 80. Worm; 81. Driving motor. DETAILED DESCRIPTION

[0020] See also Figure 1-5 The utility model provides a rotary RTO device for treating various exhaust gases, including an RTO device body 1, wherein three groups of combustion chambers 2 are evenly arranged inside the RTO device body 1, and the three groups of combustion chambers 2 are isolated by refractory brick walls, and the three groups of combustion chambers 2 are heated by burners, and the bottoms of the three groups of combustion chambers 2 are respectively installed with a first inlet pipe 3, a second inlet pipe 4 and a third inlet pipe 5, and the lower sides of the three groups of combustion chambers 2 are installed with RTO ceramic heat storage bodies;

[0021] The first inlet pipe 3, the second inlet pipe 4 and the third inlet pipe 5 are connected to the exhaust pipe 6 through a rotary switching component 7. The rotary switching component 7 includes a support seat 74, and the bottom of the support seat 74 is screwed and fixed to the base 77. At the same time, a switching table 73 is movably installed inside the support seat 74, and a sealing seat 71 is installed inside the switching table 73. Three groups of switching holes 72 are evenly arranged inside the sealing seat 71, and the three groups of switching holes 72 are fixedly connected to the first inlet pipe 3, the second inlet pipe 4 and the third inlet pipe 5 respectively.

[0022] Working principle: When in use, the exhaust gas enters the interior of the main pipe 75 from the exhaust pipe 6, and enters the interior of the third inlet pipe 5 from the inlet hole 730 through the switching hole 72. The exhaust gas inside the third inlet pipe 5 can enter the combustion chamber 2 on the right side of the RTO device body 1 for combustion. By driving the rotating switching table 73, the second inlet pipe 4 is connected to the inlet hole 730, and the exhaust gas enters the combustion chamber 2 in the middle of the RTO device body 1 for combustion. Similarly, the exhaust gas can enter the combustion chamber 2 on the left side of the RTO device body 1 from the first inlet pipe 3 for combustion. The exhaust gas combustion work of the three groups of combustion chambers 2 can be freely switched through the sealing seat 71 and the switching table 73 to avoid the situation where the entire RTO device cannot be used when the interior of the combustion chamber is damaged, for example: the burner is damaged or the RTO ceramic heat storage body cannot be used, thereby greatly improving the treatment efficiency of polluted gases.

[0023] As a preferred implementation, the sealing seat 71 is a cylindrical structure, and the axial sections of the sealing seat 71 and the switching table 73 are concentric circle structures, and a rubber sealing pad is fixedly arranged at the bottom of the sealing seat 71 .

[0024] like Figure 2 As shown: a rubber sealing pad is fixedly arranged at the bottom of the sealing seat 71, and the gap between the sealing seat 71 and the switching table 73 is sealed by the rubber sealing pad to avoid air leakage between the sealing seat 71 and the switching table 73; a one-way valve is installed on the exhaust long pipes of the three groups of combustion chambers 2 to avoid gas backflow.

[0025] The sealing seat 71 is fixed to the outer side of the supporting seat 74 through a mounting frame to ensure the stability of the sealing seat 71 during operation.

[0026] As a preferred implementation, an inlet hole 730 is opened on the bottom plate of the switching platform 73 , and the main pipe 75 is fixedly installed inside the inlet hole 730 , and the bottom of the main pipe 75 is fixed to the exhaust pipe 6 .

[0027] The bottom of the switching table 73 is screwed and fixed to the mounting box 76, and a large worm gear 79 is fixedly installed on the outer side of the mounting box 76, and the size of the large worm gear 79 is adapted to that of the worm 80. At the same time, the large worm gear 79 is meshed and connected with the worm 80, and the end of the worm 80 is fixed to the output shaft of the drive motor 81, and the drive motor 81 is fixed to the surface of the base 77 through the machine base.

[0028] The stepping rotation method of the switching table 73 is: start the external switch of the driving motor 81, the output shaft of the driving motor 81 drives the large worm gear 79 to rotate through the worm 80, and the large worm gear 79 drives the switching table 73 to rotate through the installation box 76. The switching table 73 is rotated in steps to determine which pipe of the first inlet pipe 3, the second inlet pipe 4, and the third inlet pipe 5 is used for air intake.

[0029] As a preferred embodiment, four groups of sliders 78 are evenly arranged on the outer side of the switching table 73 and the bottom of the installation box 76, and the installation box 76 is slidably set in the sliding groove opened on the surface of the base 77 through the sliders 78 at the bottom, and the switching table 73 is slidably set in the sliding groove opened on the inner wall of the support seat 74 through the sliders 78 on the outer side.

[0030] The exhaust gas inside the exhaust pipe 6 is connected to the switching holes 72 through the main pipe 75 and the inlet hole 730, and the three groups of switching holes 72 are connected to the inside of the three groups of combustion chambers 2 through the first inlet pipe 3, the second inlet pipe 4, and the third inlet pipe 5 respectively.

Claims

1. A rotary RTO device for treating various waste gases, comprising an RTO device body (1), characterized in that: The RTO device body (1) has three groups of combustion chambers (2) evenly arranged inside, and the three groups of combustion chambers (2) are isolated by refractory brick walls, and the three groups of combustion chambers (2) are all heated by a burner, and the bottoms of the three groups of combustion chambers (2) are respectively installed with a first inlet pipe (3), a second inlet pipe (4) and a third inlet pipe (5), and the lower sides of the three groups of combustion chambers (2) are all installed with RTO ceramic heat storage bodies; The first inlet pipe (3), the second inlet pipe (4) and the third inlet pipe (5) are connected to the exhaust pipe (6) via a rotary switching assembly (7). The rotary switching assembly (7) comprises a support seat (74), and the bottom of the support seat (74) is screwed and fixed to the base (77). At the same time, a switching table (73) is movably installed inside the support seat (74), and a sealing seat (71) is installed inside the switching table (73). Three groups of switching holes (72) are evenly arranged inside the sealing seat (71), and the three groups of switching holes (72) are fixedly connected to the first inlet pipe (3), the second inlet pipe (4) and the third inlet pipe (5), respectively.

2. A rotary RTO device for treating various waste gases according to claim 1, characterized in that: The sealing seat (71) is a cylindrical structure, and the axial sections of the sealing seat (71) and the switching platform (73) are concentric circle structures. At the same time, a rubber sealing pad is fixedly arranged at the bottom of the sealing seat (71).

3. A rotary RTO device for treating various waste gases according to claim 1, characterized in that: An inlet hole (730) is provided on the bottom plate of the switching platform (73), and a main pipe (75) is fixedly installed inside the inlet hole (730), while the bottom of the main pipe (75) is fixed to the exhaust pipe (6).

4. A rotary RTO device for treating various waste gases according to claim 1, characterized in that: The bottom of the switching platform (73) is screwed and fixed to the installation box (76), and a large worm wheel (79) is fixedly installed on the outer side of the installation box (76), and the size of the large worm wheel (79) and the worm (80) are adapted to each other. At the same time, the large worm wheel (79) and the worm (80) are meshed and connected, and the end of the worm (80) is fixed to the output shaft of the driving motor (81), and the driving motor (81) is fixed to the surface of the base (77) through a machine base.

5. A rotary RTO device for treating various waste gases according to claim 1, characterized in that: Four groups of sliders (78) are evenly arranged on the outer side of the switching platform (73) and the bottom of the installation box (76), and the installation box (76) is slidably arranged in a slide groove opened on the surface of the base (77) through the sliders (78) at the bottom, and the switching platform (73) is slidably arranged in a slide groove opened on the inner wall of the support seat (74) through the sliders (78) on the outer side.

6. A rotary RTO device for treating various waste gases according to claim 1, characterized in that: The exhaust gas inside the exhaust pipe (6) is connected to the switching holes (72) through the main pipe (75) and the inlet hole (730), and the three groups of switching holes (72) are respectively connected to the inside of the three groups of combustion chambers (2) through the first inlet pipe (3), the second inlet pipe (4) and the third inlet pipe (5).