RTO (Regenerative Thermal Oxidation) treatment device for organic waste gas

Abstract

The utility model discloses an organic waste gas RTO (Regenerative Thermal Oxidation) treatment device which comprises four racks, a mounting table is fixedly arranged at the upper ends of the racks, a preheating chamber is fixedly arranged at the upper end, close to the center position, of the mounting table, a heating cavity is formed in the side wall of the preheating chamber, and the heating cavity is communicated with the mounting table. Heating pipes are fixedly arranged in the heating cavity and are alternately distributed in a bent mode, a combustion chamber is fixedly arranged at the upper end, located on one side of the preheating chamber, of the mounting table, a conveying pipe is fixedly arranged at the upper end of the combustion chamber and communicates with the combustion chamber, and the other end of the conveying pipe communicates with the heating pipe located on one side of the preheating chamber; according to the structure, the problems that heat produced in the combustion chamber is difficult to recycle, and untreated organic waste gas directly enters the preheating chamber, so that a heat accumulator is easily blocked are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of organic waste gas treatment, and particularly relates to an organic waste gas RTO regenerative thermal oxidation treatment device. Background Art

[0002] The organic waste gas RTO regenerative thermal oxidation treatment device is an efficient, energy-saving and environment-friendly waste gas treatment equipment, mainly used for treating medium- and high-concentration organic waste gas. The working principle of the RTO regenerative thermal oxidation treatment device is based on the principles of heat conduction and heat and mass transfer. The device oxidizes and decomposes the organic matter in the waste gas into carbon dioxide and water at high temperature, and simultaneously releases a large amount of heat. This heat is used by the regenerator to preheat the subsequent incoming organic waste gas, thereby saving the fuel consumption for heating the waste gas. The RTO regenerative thermal oxidation treatment device usually consists of a combustion chamber, a regenerator, switching valves and other parts.

[0003] For example, the Chinese patent "An Organic Waste Gas RTO Regenerative Thermal Oxidation Treatment Device" with the publication number CN116557882A includes a gas distribution chamber, a regenerator and a combustion chamber arranged in sequence; a flow blocking column is arranged in the regenerator, and the flow blocking column is fixedly connected to the inside of the regenerator through side connecting plates. There are two groups of side connecting plates, symmetrically arranged on both sides of the flow blocking column, and a turbulence fan is arranged on the side connecting plates; a heat flow channel is arranged through the regenerator, and a number of heat exchange fins are arranged outside the heat flow channel. An opening for the heat flow channel to pass through is provided on the flow blocking column, and the flow blocking column is filled with a heat conducting material. One end of the heat flow channel is connected to a hot air blower, and the other end is provided with a chimney. A smoke return pipeline is arranged on the combustion chamber, and the smoke return pipeline is connected to the heat flow channel. The connection position is between the hot air blower and the regenerator. Multiple groups of regenerators are arranged and are opposite to the position of the gas distribution chamber, and the two are connected through a first pipeline.

[0004] Although the above-mentioned prior art can achieve the treatment of organic waste gas, in actual use, on the one hand, the heat generated inside the combustion chamber is difficult to be recycled. After burning the organic waste gas, the gas is directly cooled and discharged, resulting in the need for additional heating when preheating the organic waste gas, thus affecting the recovery and utilization of waste heat. On the other hand, the untreated organic waste gas directly entering the preheating chamber easily causes blockage of the regenerator. When treating the organic waste gas, preheating treatment is carried out first, resulting in the impurities and oil and gas in the organic waste gas easily causing blockage of the internal mesh holes of the regenerator, thereby affecting the preheating effect. Therefore, it does not meet the existing requirements, and for this reason, we propose an organic waste gas RTO regenerative thermal oxidation treatment device. Content of the Utility Model

[0005] The purpose of the present utility model is to provide an organic waste gas RTO regenerative thermal oxidation treatment device to solve the problems that the heat generated inside the combustion chamber is difficult to recycle and the untreated organic waste gas directly entering the preheating chamber is likely to cause blockage of the regenerator as mentioned in the above background art.

[0006] To achieve the above purpose, the present utility model provides the following technical solution: An organic waste gas RTO regenerative thermal oxidation treatment device includes a frame. There are four frames. The upper end of the frame is fixedly provided with an installation table. The upper end of the installation table near the center position is fixedly provided with a preheating chamber. Inside the side wall of the preheating chamber is provided a heating cavity. Inside the heating cavity is fixedly provided with heating pipes, and the heating pipes are distributed in a bent and alternating manner. The installation table is fixedly provided with a combustion chamber at the upper end on one side of the preheating chamber. The upper end of the combustion chamber is fixedly provided with a delivery pipe. The delivery pipe is communicated with the combustion chamber, and the other end of the delivery pipe is communicated with the heating pipe on one side of the preheating chamber.

[0007] Preferably, on the other side of the upper end of the preheating chamber is fixedly provided an air outlet pipe. The air outlet pipe extends to be communicated with the heating pipe on the other side of the preheating chamber. The outside of the air outlet pipe is fixedly provided with a first valve.

[0008] Preferably, above the other side of the installation table where the preheating chamber is located is provided a filter box. The filter box is communicated with the preheating chamber through a pipeline. Inside the filter box is provided a slot, and the upper end of the slot is an open structure. On the other side of the filter box is fixedly provided an air inlet pipe. The air inlet pipe is communicated with the filter box.

[0009] Preferably, inside the slot is provided a mounting plate. The upper end of the mounting plate extends above the filter box. On both sides inside the slot where the mounting plate is located are fixedly provided filter screen plates. The aperture of the mesh holes of one side of the filter screen plate is larger than that of the other side. Inside the mounting plate on the inner side of the filter screen plate is fixedly provided a graphite plate. Inside the mounting plate on one side of the graphite plate is fixedly provided a filter cloth.

[0010] Preferably, on the upper parts of the inner walls on both sides of the filter box are provided threaded holes. Inside the threaded holes are provided bolts. The upper ends of the bolts penetrate and extend above the mounting plate.

[0011] Preferably, between the preheating chamber and the combustion chamber is fixedly provided a connecting pipe. The two ends of the connecting pipe are respectively communicated with the preheating chamber and the combustion chamber. The outside of the connecting pipe is fixedly provided with a second valve.

[0012] Preferably, ceramic plates are fixedly provided on the inner walls of the combustion chamber. Inside the preheating chamber is fixedly provided a regenerator.

[0013] Compared with the prior art, the beneficial effects of the present utility model are:

[0014] 1. The utility model can recover the heat in the heated gas through the heating pipe and the conveying pipe. When the high-temperature gas generated after the combustion of organic waste gas flows into the heating pipe through the conveying pipe, the high-temperature gas in the heating pipe transfers the temperature to the wall of the heating pipe, and then the temperature of the heating cavity and the preheating chamber is increased by means of thermal radiation. At this time, the first valve is opened to allow the gas to be discharged from the heating pipe through the air outlet pipe, and the preheating chamber is heated by using the waste heat, thereby improving the utilization rate of the waste heat and also reducing the temperature of the discharged gas.

[0015] 2. The utility model can pre-treat the organic waste gas through the filter screen plate and the filter cloth. When the organic waste gas enters the filter box through the air inlet pipe, the organic waste gas first passes through the filter screen plate, and the solid particle devices in the organic waste gas are intercepted and filtered by the filter screen plate. At this time, the organic waste gas passing through the filter screen plate then passes through the graphite plate, and the harmful substances in the organic waste gas are adsorbed by the graphite plate. Finally, the oil gas in the organic waste gas is absorbed by the filter cloth, so as to pre-treat the organic waste gas, avoid the organic waste gas directly entering the preheating chamber and causing the regenerator to be blocked, and thus improve the preheating effect.

[0016] 3. The utility model can quickly replace the pre-treatment device through the slot and the bolt. When the pre-treatment device needs to be replaced after being used for a period of time, at this time, the bolt is rotated, so that the bolt moves upward in the threaded hole through the external thread until the bolt disengages from the threaded hole. At this time, the mounting plate is pulled upward, so that the mounting plate drives the filter screen plate, the graphite plate and the filter cloth to move upward in the slot together until the mounting plate is taken out of the filter box. At this time, the new mounting plate is aligned with the slot opening and pushed into the slot, and then the bolt is rotated to make the bolt re-enter the threaded hole, thereby making the replacement of the pre-treatment device more convenient. Description of the Drawings

[0017] Figure 1 is the external structure schematic diagram of the utility model;

[0018] Figure 2 is the front view of the internal structure of the utility model;

[0019] Figure 3 is the side view of the internal structure of the utility model;

[0020] Figure 4 is of the utility model Figure 2 partial enlarged view of area A.

[0021] In the figure: 1, frame; 2, mounting table; 3, preheating chamber; 4, combustion chamber; 5, filter box; 6, intake pipe; 7, mounting plate; 8, exhaust pipe; 9, first valve; 10, delivery pipe; 11, connecting pipe; 12, bolt; 13, second valve; 14, ceramic plate; 15, heating pipe; 16, heating cavity; 17, filter screen plate; 18, graphite plate; 19, filter cloth; 20, slot; 21, threaded hole; 22, regenerator. Specific embodiments

[0022] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0023] Please refer to Figures 1-4 , an embodiment provided by the present invention: an organic waste gas RTO regenerative thermal oxidation treatment device, including a frame 1, there are four frames 1, the upper end of the frame 1 is fixedly provided with a mounting table 2, the upper end of the mounting table 2 near the center position is fixedly provided with a preheating chamber 3, the inside of the side wall of the preheating chamber 3 is provided with a heating cavity 16, the inside of the heating cavity 16 is fixedly provided with a heating pipe 15, the heating pipes 15 are arranged in a bent and alternating manner, the mounting table 2 is fixedly provided with a combustion chamber 4 above one side of the preheating chamber 3, the upper end of the combustion chamber 4 is fixedly provided with a delivery pipe 10, the delivery pipe 10 is communicated with the combustion chamber 4, and the other end of the delivery pipe 10 is communicated with the heating pipe 15 on one side of the preheating chamber 3.

[0024] During use, when the high-temperature gas generated after the combustion of the organic waste gas flows into the heating pipe 15 through the delivery pipe 10, at this time, the high-temperature gas in the heating pipe 15 transfers the temperature to the wall of the heating pipe 15, and then the temperature of the heating cavity 16 and the preheating chamber 3 is increased by means of thermal radiation. At this time, the first valve 9 is opened, so that the gas is discharged from the heating pipe 15 through the exhaust pipe 8, and the preheating chamber 3 is heated by using the waste heat.

[0025] Please refer to Figure 1 and Figure 2 , the other side of the upper end of the preheating chamber 3 is fixedly provided with an exhaust pipe 8, the exhaust pipe 8 extends to be communicated with the heating pipe 15 on the other side of the preheating chamber 3, and the outside of the exhaust pipe 8 is fixedly provided with a first valve 9, which is convenient for discharging the treated gas through the exhaust pipe 8.

[0026] Please refer to Figure 2 , above the other side of the mounting table 2 where the preheating chamber 3 is located, there is a filter box 5, the filter box 5 is communicated with the preheating chamber 3 through a pipeline, the inside of the filter box 5 is provided with a slot 20, the upper end of the slot 20 is an open structure, and the other side of the filter box 5 is fixedly provided with an intake pipe 6, the intake pipe 6 is communicated with the filter box 5, which is convenient for preprocessing the organic waste gas after it enters the filter box 5.

[0027] Please refer to Figure 2 wherein, an installation plate 7 is arranged inside the slot 20, the upper end of the installation plate 7 extends above the filter box 5, filter screen plates 17 are fixedly arranged on both inner sides of the installation plate 7 inside the slot 20, the aperture of the mesh holes of one side filter screen plate 17 is larger than that of the other side filter screen plate 17, a graphite plate 18 is fixedly arranged inside the installation plate 7 on the inner side of the filter screen plate 17, and a filter cloth 19 is fixedly arranged inside the installation plate 7 on one side of the graphite plate 18, which is convenient for filtering the organic waste gas through the filter screen plate 17, the graphite plate 18 and the filter cloth 19.

[0028] Please refer to Figure 2 and Figure 4 wherein, threaded holes 21 are arranged above the inner walls on both sides of the filter box 5, bolts 12 are arranged inside the threaded holes 21, and the upper ends of the bolts 12 penetrate and extend above the installation plate 7, which is convenient for fixing the installation plate 7 through the bolts 12.

[0029] Please refer to Figure 2 wherein, a connecting pipe 11 is fixedly arranged between the preheating chamber 3 and the combustion chamber 4, both ends of the connecting pipe 11 are communicated with the preheating chamber 3 and the combustion chamber 4 respectively, and a second valve 13 is fixedly arranged outside the connecting pipe 11, which is convenient for adjusting the opening and closing of the connecting pipe 11 through the second valve 13.

[0030] Please refer to Figure 2 and Figure 3 wherein, ceramic plates 14 are fixedly arranged on the inner walls of the combustion chamber 4, and a heat storage body 22 is fixedly arranged inside the preheating chamber 3, which is convenient for improving the heat preservation effect of the combustion chamber 4 through the ceramic plates 14.

[0031] Working principle: When the organic waste gas enters the filter box 5 through the air inlet pipe 6, the organic waste gas first passes through the filter screen plate 17, and the solid particle devices in the organic waste gas are intercepted and filtered through the filter screen plate 17. At this time, the organic waste gas passing through the filter screen plate 17 then passes through the graphite plate 18, and the harmful substances in the organic waste gas are adsorbed through the graphite plate 18. Finally, the oil gas in the organic waste gas is absorbed through the filter cloth 19, so as to pre-treat the organic waste gas. When the pre-treatment device needs to be replaced after being used for a period of time, at this time, rotate the bolt 12 to make the bolt 12 move upward in the threaded hole 21 through the external thread until the bolt 12 disengages from the threaded hole 21. At this time, then pull the installation plate 7 upward to make the installation plate 7 drive the filter screen plate 17, the graphite plate 18 and the filter cloth 19 to move upward together in the slot 20 until the installation plate 7 is taken out of the filter box 5. At this time, align the new installation plate 7 with the opening of the slot 20 and push it into the slot 20, and then rotate the bolt 12 to make the bolt 12 re-enter the threaded hole 21.

[0032] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-described exemplary embodiments, and the present utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present utility model. Any reference signs in the claims should not be construed as limiting the claims involved.

Claims

1. An organic waste gas RTO thermal storage oxidation treatment device, comprising a frame (1), wherein the frame (1) is provided with four, and wherein: A mounting platform (2) is fixedly arranged at the upper end of the frame (1), a preheating chamber (3) is fixedly arranged at the upper end of the mounting platform (2) near the center position, a heating chamber (16) is arranged inside the side wall of the preheating chamber (3), a heating pipe (15) is fixedly arranged inside the heating chamber (16), and the heating pipe (15) is distributed alternately in a bent manner, a combustion chamber (4) is fixedly arranged at the upper end of the mounting platform (2) located on one side of the preheating chamber (3), a delivery pipe (10) is fixedly arranged at the upper end of the combustion chamber (4), the delivery pipe (10) is connected to the combustion chamber (4), and the other end of the delivery pipe (10) is connected to the heating pipe (15) located on one side of the preheating chamber (3).

2. The RTO thermal storage oxidation treatment device for organic waste gas according to claim 1 is characterized in that: An air outlet pipe (8) is fixedly provided on the other side of the upper end of the preheating chamber (3), and the air outlet pipe (8) extends to communicate with a heating pipe (15) located on the other side of the preheating chamber (3), and a first valve (9) is fixedly provided on the outside of the air outlet pipe (8).

3. The RTO thermal storage oxidation treatment device for organic waste gas according to claim 2 is characterized in that: A filter box (5) is arranged above the mounting platform (2) on the other side of the preheating chamber (3); the filter box (5) is connected to the preheating chamber (3) through a pipeline; a slot (20) is arranged inside the filter box (5); the upper end of the slot (20) is an open structure; an air intake pipe (6) is fixedly arranged on the other side of the filter box (5); the air intake pipe (6) is connected to the filter box (5).

4. The RTO thermal storage oxidation treatment device for organic waste gas according to claim 3 is characterized in that: A mounting plate (7) is arranged inside the slot (20), the upper end of the mounting plate (7) extends to the top of the filter box (5), filter plates (17) are fixedly arranged inside both sides of the mounting plate (7) located inside the slot (20), the aperture of the mesh of the filter plate (17) on one side is larger than the aperture of the mesh of the filter plate (17) on the other side, a graphite plate (18) is fixedly arranged inside the mounting plate (7) located inside the filter plate (17), and a filter cloth (19) is fixedly arranged inside the mounting plate (7) located on one side of the graphite plate (18).

5. The RTO thermal storage oxidation treatment device for organic waste gas according to claim 4 is characterized in that: Threaded holes (21) are provided on the upper inner part of the inner walls on both sides of the filter box (5), bolts (12) are provided inside the threaded holes (21), and the upper ends of the bolts (12) penetrate and extend to the top of the mounting plate (7).

6. The RTO thermal storage oxidation treatment device for organic waste gas according to claim 5 is characterized in that: A connecting pipe (11) is fixedly arranged between the preheating chamber (3) and the combustion chamber (4), and the two ends of the connecting pipe (11) are respectively connected to the preheating chamber (3) and the combustion chamber (4), and a second valve (13) is fixedly arranged outside the connecting pipe (11).

7. The RTO thermal storage oxidation treatment device for organic waste gas according to claim 6 is characterized in that: A ceramic plate (14) is fixedly arranged on the inner wall of the combustion chamber (4), and a heat storage body (22) is fixedly arranged inside the preheating chamber (3).

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