Heat accumulating type thermal oxidation waste gas conveying channel

Abstract

The utility model discloses a heat accumulating type thermal oxidation waste gas conveying channel which comprises a combustion chamber, an exhaust pipe and a heat exchange piece, a gas inlet pipe is horizontally and fixedly communicated with the bottom of one end of the combustion chamber, the exhaust pipe is horizontally and fixedly communicated with the other end of the combustion chamber, a bracket is horizontally and fixedly arranged at the other end of the combustion chamber, and the heat exchange piece comprises a heat exchange box. The heat exchange box is horizontally fixed to the exhaust pipe in a penetrating mode, the top face of the heat exchange box is vertically and fixedly communicated with an air inlet cylinder pipe, the bottom face of the heat exchange box is vertically and fixedly communicated with an exhaust pipe cylinder, the bracket is fixed to the bottom face of the heat exchange box, and a plurality of heat exchange branch pipes are transversely and horizontally fixed to the position, located in the heat exchange box, of the outer circumferential face of the exhaust pipe in a communicating mode. According to the heat storage type thermal oxidation equipment, the problems that waste gas exhausted by the heat storage type thermal oxidation equipment is lack of a heat recovery structure, heat exists in the exhausted waste gas, heat is wasted due to direct emission, and the heat utilization efficiency is not favorably improved are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of waste gas conveying channels, and more specifically to a heat storage type thermal oxidation waste gas conveying channel. Background Art

[0002] Regenerative thermal oxidation is a highly efficient industrial waste gas treatment technology, mainly used to remove volatile organic compounds, odorous gases and other harmful substances in waste gas. The RTO system converts these harmful substances into carbon dioxide and water vapor through high-temperature oxidation, thereby achieving the purpose of purifying waste gas.

[0003] The existing announcement number is CN212204562U, and the name is a heat storage type exhaust gas purification and deodorization equipment, which includes a combustion chamber, a purification tower, an exhaust gas purification component and an exhaust gas cooling component. The bottom of the combustion chamber is provided with a heat storage chamber, the exhaust gas cooling component is arranged in the purification tower, the bottom of the heat storage chamber is provided with an air flow distribution cylinder connected to the interior thereof, the air flow distribution cylinder is provided with a rotary valve, the bottom of the air flow distribution cylinder is provided with an air inlet groove and an air outlet groove, the exhaust gas purification component includes an air inlet filter component and an air outlet filter component, the air inlet filter component and the air outlet filter component are respectively connected to the air inlet filter component and the air outlet filter component. The trough is connected to the air outlet trough, the air intake filter component and the air outlet filter component have the same structure, and both include an air transmission channel, an air collecting funnel and a detachable purification component arranged on the air transmission channel. The air collecting funnel is connected to the air transmission channel, and the exhaust gas purification assembly includes an air intake filter component and an air outlet filter component. Under the action of the activated carbon filter screen of the air intake filter component and the air outlet filter component, the residual exhaust gas can be secondary filtered, and the deodorizing filter screen can deodorize the residual exhaust gas to solve the technical problem that the residual exhaust gas cannot be purified in the prior art.

[0004] However, in the above-mentioned thermal storage thermal oxidation equipment, the exhaust gas after combustion is purified and discharged from the purification tower, which purifies the odor in the exhaust gas. However, the exhaust gas discharged by the above-mentioned thermal storage thermal oxidation equipment lacks a heat recovery structure. There is heat in the discharged exhaust gas, and direct discharge causes heat waste, which is not conducive to improving heat utilization efficiency. Utility Model Content

[0005] 1. Technical problems to be solved

[0006] In view of the problems existing in the prior art, the purpose of the present utility model is to provide a heat storage type thermal oxidation waste gas conveying channel, which overcomes the above technical defects.

[0007] 2. Technical solution

[0008] In order to solve the above problems, the present invention adopts the following technical solutions.

[0009] A heat storage type thermal oxidation waste gas conveying channel includes a combustion chamber, an exhaust pipe and a heat exchanger. The bottom of one end of the combustion chamber is horizontally connected and fixed with an intake pipe, and the other end of the combustion chamber is horizontally connected and fixed with an exhaust pipe, and the other end of the combustion chamber is horizontally fixed with a bracket. The heat exchanger includes a heat exchange box, the heat exchange box horizontally penetrates and is fixed on the exhaust pipe, and the top surface of the heat exchange box is vertically connected and fixed with an intake tube, and the bottom surface of the heat exchange box is vertically connected and fixed with an exhaust pipe barrel, the bracket is fixed on the bottom surface of the heat exchange box, and the outer circumferential surface of the exhaust pipe is located inside the heat exchange box and is horizontally connected and fixed with multiple heat exchange branch pipes, and the outer walls of the multiple heat exchange branch pipes are connected and fixed with convex ring tubes, the bottom end of the exhaust pipe barrel is connected and fixed with a return pipe, and the other end of the return pipe is connected and fixed to the intake pipe, and a return air pump is assembled on the return pipe.

[0010] Furthermore, the top end of the air intake tube is vertically connected and fixed with an air intake shell, and the top of the air intake shell is provided with an open end.

[0011] Furthermore, an internal thread is provided on the upper side of the inner circumferential surface of the air intake shell, and a screw cover is assembled on the top of the air intake shell in coordination with the internal thread.

[0012] Furthermore, a mesh tube is vertically connected and fixed on the bottom surface of the screw cover, and an air inlet tube is vertically connected and fixed on the top surface of the screw cover.

[0013] Furthermore, an exhaust pump is assembled on the exhaust pipe, and a filter cartridge is vertically connected and fixed to the end of the exhaust pipe, and the top surface of the filter cartridge is opened.

[0014] Furthermore, an external thread is provided on the upper portion of the outer circumferential surface of the filter cartridge, and the interior of the filter cartridge is filled with activated carbon blocks.

[0015] Furthermore, a spiral shell is threadedly assembled at the opening of the filter cartridge, and a mesh is vertically penetrated and fixed on the top surface of the spiral shell.

[0016] 3. Beneficial effects

[0017] Compared with the prior art, the advantages of the present invention are:

[0018] When the exhaust gas generated in the combustion chamber is discharged from the exhaust pipe during use, the exhausted exhaust gas contacts the walls of the exhaust pipe and multiple heat exchange branch pipes, and the heat is conducted to the outer walls of the exhaust pipe and multiple heat exchange branch pipes. Then the return air pump is started to drive the external air from the air inlet pipe at the top of the heat exchange box into the heat exchange box. The air contacts the exhaust pipe and multiple heat exchange branch pipes, carries the heat and is conducted out from the exhaust pipe at the bottom of the heat exchange box. After passing through the return pipe and entering the air inlet pipe, the heat in the hot air enters the air inlet pipe, thereby effectively ensuring the recovery of the hot air and improving the heat utilization efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 It is a schematic diagram of the structure of the utility model as a whole in a disassembled state;

[0021] Figure 3 This is a schematic structural diagram of the heat exchange element in a decomposed state in the implementation of the present utility model;

[0022] Figure 4 This is a schematic structural diagram of the exhaust pipe in a disassembled state in the implementation of the present utility model;

[0023] Figure 5 This is a structural schematic diagram of the combustion chamber in a decomposed state during the implementation of the present utility model.

[0024] Description of the numbers in the figure:

[0025] 1. Combustion chamber; 11. Bracket; 12. Intake pipe; 13. Return pipe; 14. Return air pump; 2. Exhaust pipe; 21. Heat exchange branch pipe; 22. Convex ring cylinder; 23. Filter cartridge; 24. Exhaust pump; 25. Activated carbon block; 26. Screw shell; 27. Mesh; 3. Heat exchange element; 31. Heat exchange box; 32. Intake cylinder tube; 33. Exhaust pipe cylinder; 34. Intake shell cylinder; 341. Internal thread; 35. Screw cover; 351. Intake pipe cylinder; 36. Mesh cylinder. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention; it is obvious that the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0027] See also Figure 1-5, a heat storage type thermal oxidation exhaust gas conveying channel, including a combustion chamber 1, an exhaust pipe 2 and a heat exchanger 3, one end of the combustion chamber 1 is horizontally connected and fixed with an intake pipe 12, and the other end of the combustion chamber 1 is horizontally connected and fixed with the exhaust pipe 2, and the other end of the combustion chamber 1 is horizontally fixed with a bracket 11, the heat exchanger 3 includes a heat exchange box 31, the heat exchange box 31 is horizontally passed through and fixed on the exhaust pipe 2, and the top surface of the heat exchange box 31 is vertically connected and fixed with an intake pipe 32, and the bottom surface of the heat exchange box 31 is vertically connected and fixed with an exhaust pipe tube 33, the bracket 11 is fixed on the bottom surface of the heat exchange box 31, and a plurality of heat exchange branch pipes 21 are horizontally connected and fixed on the outer circumferential surface of the exhaust pipe 2, and a convex ring tube 22 is connected and fixed on the outer wall of the plurality of heat exchange branch pipes 21, the exhaust pipe The bottom end of the cylinder 33 is connected and fixed with a return pipe 13, and the other end of the return pipe 13 is connected and fixed to the intake pipe 12. The return air pump 14 is connected and assembled on the return pipe 13. When the exhaust gas generated in the combustion chamber 1 is discharged from the exhaust pipe 2 during use, the exhausted exhaust gas contacts the walls of the exhaust pipe 2 and multiple heat exchange branch pipes 21, and the heat is conducted to the outer walls of the exhaust pipe 2 and multiple heat exchange branch pipes 21. Then the return air pump 14 is started to drive the external air from the intake pipe 32 at the top of the heat exchange box 31 to the heat exchange box 31. The air contacts the exhaust pipe 2 and multiple heat exchange branch pipes 21, and carries heat out from the exhaust pipe 33 at the bottom of the heat exchange box 31. After passing through the return pipe 13 and entering the intake pipe 12, the heat in the hot air enters the intake pipe 12, thereby effectively ensuring the recovery of hot air and improving the heat utilization efficiency.

[0028] See Figure 3 The top of the air intake tube 32 is vertically connected to and fixed with an air intake shell tube 34, and the top of the air intake shell tube 34 is provided with an open end, and the upper side of the inner circumferential surface of the air intake shell tube 34 is provided with an internal thread 341, and the top of the air intake shell tube 34 is assembled with a screw cover 35 in conjunction with the internal thread 341, and the bottom surface of the screw cover 35 is vertically connected to and fixed with a mesh tube 36, and the top surface of the screw cover 35 is vertically connected to and fixed with an air intake tube tube 351. During use, external air enters from the air intake tube tube 351, and the air is filtered through the mesh tube 36 to remove impurities and dust, and then the air enters the heat exchange box 31, filters the air impurities and dust, and then when cleaning, remove the screw cover 35 in the air intake shell tube 34 and dump the filtered impurities and dust.

[0029] See Figure 4 An exhaust pump 24 is assembled on the exhaust pipe 2, and a filter cartridge 23 is vertically connected and fixed to the end of the exhaust pipe 2, and the top surface of the filter cartridge 23 is opened, and an external thread is provided on the upper part of the outer circumference of the filter cartridge 23, and the interior of the filter cartridge 23 is filled with an activated carbon block 25, and a spiral shell 26 is threadedly assembled at the opening of the filter cartridge 23, and a mesh 27 is vertically penetrated and fixed on the top surface of the spiral shell 26 to filter and discharge odors in the exhaust gas during use. The spiral shell 26 splits the top of the filter cartridge 23, and the activated carbon block 25 is inserted into the filter cartridge 23 to filter and remove the odors in the exhaust gas.

[0030] When the exhaust gas generated in the combustion chamber 1 is discharged from the exhaust pipe 2 during use, the exhausted exhaust gas contacts the walls of the exhaust pipe 2 and the multiple heat exchange branch pipes 21, and the heat is conducted to the outer walls of the exhaust pipe 2 and the multiple heat exchange branch pipes 21. Then the return air pump 14 is started to drive the external air from the air inlet pipe 32 at the top of the heat exchange box 31 to the heat exchange box 31. The air contacts the exhaust pipe 2 and the multiple heat exchange branch pipes 21, carries the heat and is conducted out from the exhaust pipe 33 at the bottom of the heat exchange box 31, and then enters the intake pipe 12 through the return pipe 13. The heat in the hot air enters the intake pipe 12.

[0031] The above description is merely a preferred embodiment of the present invention; however, the scope of protection of the present invention is not limited thereto. Any person skilled in the art who, within the technical scope disclosed in the present invention, makes equivalent substitutions or modifications based on the technical solutions and improved concepts of the present invention shall be covered by the scope of protection of the present invention.

Claims

1. A regenerative thermal oxidation waste gas conveying channel, characterized in that: The invention comprises a combustion chamber (1), an exhaust pipe (2) and a heat exchanger (3), wherein the bottom of one end of the combustion chamber (1) is horizontally connected to an air intake pipe (12), and the other end of the combustion chamber (1) is horizontally connected to an exhaust pipe (2), and the other end of the combustion chamber (1) is horizontally fixed to a bracket (11), and the heat exchanger (3) comprises a heat exchange box (31), the heat exchange box (31) is horizontally passed through and fixed on the exhaust pipe (2), and the top surface of the heat exchange box (31) is vertically connected to an air intake pipe (32), and the bottom surface of the heat exchange box (31) is vertically connected to a An exhaust pipe (33) is fixed, the bracket (11) is fixed on the bottom surface of the heat exchange box (31), a plurality of heat exchange branch pipes (21) are fixed and connected horizontally on the outer circumferential surface of the exhaust pipe (2) and located inside the heat exchange box (31), and a convex ring tube (22) is fixed and connected on the outer wall of the plurality of heat exchange branch pipes (21), the bottom end of the exhaust pipe (33) is fixed and connected to a return pipe (13), and the other end of the return pipe (13) is fixed and connected to the intake pipe (12), and a return air pump (14) is assembled and connected to the return pipe (13).

2. The regenerative thermal oxidation waste gas conveying channel according to claim 1, characterized in that: The top end of the air intake tube (32) is vertically connected and fixed with an air intake shell (34), and the top of the air intake shell (34) is provided with an open end.

3. The regenerative thermal oxidation waste gas conveying channel according to claim 2, characterized in that: An internal thread (341) is provided on the upper side of the inner circumferential surface of the air intake shell (34), and a screw cover (35) is assembled on the top of the air intake shell (34) in coordination with the internal thread (341).

4. The regenerative thermal oxidation waste gas conveying channel according to claim 3, characterized in that: A net tube (36) is vertically connected and fixed on the bottom surface of the screw cover (35), and an air intake tube (351) is vertically connected and fixed on the top surface of the screw cover (35).

5. The regenerative thermal oxidation waste gas conveying channel according to claim 4, characterized in that: An exhaust pump (24) is connected and assembled on the exhaust pipe (2), and a filter cartridge (23) is vertically connected and fixed at the end of the exhaust pipe (2), and the top surface of the filter cartridge (23) is opened.

6. The regenerative thermal oxidation waste gas conveying channel according to claim 5, characterized in that: An external thread is provided on the upper portion of the outer circumferential surface of the filter cartridge (23), and the interior of the filter cartridge (23) is filled with an activated carbon block (25).

7. The regenerative thermal oxidation waste gas conveying channel according to claim 6, characterized in that: A screw shell (26) is threadedly assembled at the opening of the filter cartridge (23), and a mesh (27) is vertically penetrated and fixed on the top surface of the screw shell (26).

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