Plate type heat exchange structure for organic waste gas

By designing a plate heat exchanger structure with heat exchange racks and heat exchange tubes, the problems of clogging and inconvenient disassembly in the treatment of organic waste gas are solved, achieving efficient preheating and anti-clogging effects.

CN224051113UActive Publication Date: 2026-03-27JIANGSU XINSUCHENG ENVIRONMENTAL PROTECTION EQUIP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-06
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

In existing organic waste gas treatment processes, heat exchangers are easily clogged by high dust or high viscosity waste gas, and disassembly and cleaning are inconvenient.

Method used

A plate heat exchange structure including a heat exchange rack and heat exchange tubes was designed. High-temperature exhaust gas enters the inner cavity through through holes, untreated exhaust gas is preheated through the heat exchange tubes, and high-temperature exhaust gas is discharged from the connecting pipe. A gap is left between the heat exchange tubes and the top of the heat exchange rack to avoid blockage, and the structural stability is ensured by connecting screws and sealing rings.

Benefits of technology

It effectively avoids blockages caused by high dust or high viscosity exhaust gas, facilitates structural disassembly and cleaning, and improves heat exchange efficiency and equipment service life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of plate-type heat exchange, in particular to a plate-type heat exchange structure for organic waste gas, which comprises a plurality of heat exchange mechanisms, a plurality of sealing mechanisms are mounted at the top of each heat exchange mechanism, each heat exchange mechanism comprises a heat exchange frame, an inner cavity is formed in each heat exchange frame, and a plurality of sealing mechanisms are mounted at the top of each heat exchange mechanism. A heat exchange pipe is fixedly connected to the interior of the heat exchange frame, the heat exchange pipe is located in the inner cavity, the two ends of the heat exchange pipe extend to the outer side of the heat exchange frame, a through hole is formed in the bottom of the heat exchange frame, the sealing mechanism comprises a cover plate, and a connecting pipe is fixedly connected to the top of the cover plate; and the position of the connecting pipe corresponds to the position of the through hole. The utility model provides an organic waste gas plate type heat exchange structure which is convenient to disassemble and clean and not easy to block.
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Description

TECHNICAL FIELD

[0001] The utility model relates to plate heat exchange field especially relates to a plate heat exchange structure for organic waste gas. BACKGROUND

[0002] Organic waste gas is discharged in industrial production, and contains volatile organic compounds (VOCs) inside, which is often treated by catalytic combustion and other methods for treating waste gas, and catalytic combustion needs to heat the waste gas to a certain temperature, so that VOCs are oxidized and decomposed under the action of the catalyst, and high-temperature gas is generated in this process, and if the high-temperature gas is directly discharged, the heat of this part will be wasted.

[0003] A large amount of heat is generated when organic waste gas is treated by catalytic combustion, and the heat can be utilized by using a heat exchange structure to preheat untreated organic waste gas and reduce the consumption of organic waste gas treatment, since organic waste gas has certain corrosiveness and high-dust or high-viscosity waste gas is prone to block the heat exchanger, the heat exchanger needs to be disassembled and cleaned regularly. UTILITY MODEL CONTENT

[0004] Therefore, the utility model provides a plate heat exchange structure for organic waste gas, which mainly solves the technical problem of providing a plate heat exchange structure for organic waste gas which is easy to disassemble and clean and not easy to block.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: a plate heat exchange structure for organic waste gas, comprising a heat exchange mechanism, a sealing mechanism is installed on the top of the heat exchange mechanism, the number of the heat exchange mechanism and the sealing mechanism is multiple, the heat exchange mechanism comprises a heat exchange frame, an inner cavity is formed in the inside of the heat exchange frame, a heat exchange pipe is fixedly connected in the inside of the heat exchange frame, the heat exchange pipe is located in the inside of the inner cavity, and the both ends of the heat exchange pipe extend to the outside of the heat exchange frame, a through hole is formed in the bottom of the heat exchange frame, the sealing mechanism comprises a cover plate, a connecting pipe is fixedly connected to the top of the cover plate, and the position of the connecting pipe corresponds to the position of the through hole.

[0006] By adopting the above technical scheme, by the heat exchange frame and the heat exchange pipe, the high-temperature waste gas after catalytic combustion is introduced into the inner cavity in the heat exchange frame from the through hole, and the untreated organic waste gas is introduced into the heat exchange pipe, the high-temperature waste gas in the inner cavity preheats the organic waste gas in the heat exchange pipe, and the high-temperature waste gas after heat exchange is discharged from the connecting pipe, which is convenient for subsequent catalytic combustion treatment of organic waste gas, and the heat exchange pipe and the top of the heat exchange frame have a gap, so that the high-temperature waste gas after catalytic combustion can pass through smoothly, and when high-dust or high-viscosity waste gas is encountered, the heat exchanger can be prevented from being blocked, which is convenient for use of the heat exchange structure.

[0007] As a further description of the above technical scheme:

[0008] The outer surface of the heat exchange frame is fixedly connected with a first connecting block, a first screw hole is formed in the first connecting block, and a connecting screw is screwed into the first screw hole.

[0009] By adopting the above technical scheme, the heat exchange frame and the cover plate are connected.

[0010] As a further description of the above technical scheme:

[0011] The outer surface of the cover plate is fixedly connected with a second connecting block, the position of the second connecting block corresponds to the position of the first connecting block, a second screw hole is formed in the second connecting block, and one end of the connecting screw is screwed into the second screw hole.

[0012] By adopting the above technical scheme, the first connecting block and the second connecting block are connected together by the connecting screw, so that the heat exchange frame and the cover plate are connected together.

[0013] As a further description of the above technical scheme:

[0014] A sealing groove is formed in the outer surface of the connecting pipe, and a sealing ring is mounted in the sealing groove.

[0015] By adopting the above technical scheme, the multiple heat exchange mechanisms and the sealing mechanisms are stacked for use, and waste gas leakage is reduced.

[0016] As a further description of the above technical scheme:

[0017] A connecting mechanism is mounted on the outside of the heat exchange mechanism and the sealing mechanism, the connecting mechanism includes two fixed rods, one of the fixed rods is located at the bottom of the lowermost heat exchange mechanism, and the other of the fixed rods is located at the top of the uppermost sealing mechanism.

[0018] By adopting the above technical scheme, the multiple heat exchange mechanisms and the sealing mechanisms are fixed by the connecting mechanism, and the heat exchange treatment of organic waste gas is facilitated.

[0019] As a further description of the above technical scheme:

[0020] A fixing hole is formed in the fixed rod, a threaded rod is mounted in the fixing hole, and a fixing screw is screwed into the upper and lower ends of the threaded rod.

[0021] By adopting the above technical scheme, the two fixed rods are fixed.

[0022] As a further description of the above technical scheme:

[0023] A clamping groove is formed in the fixed rod, and the fixing screw is located in the clamping groove.

[0024] By adopting the technical scheme, the fixed screw can be hidden, and the use of the connecting mechanism is facilitated.

[0025] By adopting the technical scheme, the plate heat exchange structure for organic waste gas has at least the following beneficial effects:

[0026] 1. Compared with the prior art, the plate heat exchange structure for organic waste gas passes the high-temperature waste gas after catalytic combustion into the inner cavity in the heat exchange frame through the through hole, passes the untreated organic waste gas into the heat exchange pipe, preheats the organic waste gas in the heat exchange pipe with the high-temperature waste gas in the inner cavity, and discharges the high-temperature waste gas after heat exchange from the connecting pipe, thereby facilitating subsequent catalytic combustion treatment of the organic waste gas.

[0027] 2. Compared with the prior art, the plate heat exchange structure for organic waste gas has a gap between the heat exchange pipe and the top of the heat exchange frame, the high-temperature waste gas after catalytic combustion can pass through smoothly, and the heat exchanger can be prevented from being blocked when facing high-dust or high-viscosity waste gas, thereby facilitating the use of the heat exchange structure. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 FIG. 1 is a first perspective view of a plate heat exchange structure for organic waste gas according to the present application;

[0029] Figure 2 FIG. 2 is a second perspective view of the plate heat exchange structure for organic waste gas according to the present application;

[0030] Figure 3 FIG. 3 is an exploded view of a heat exchange mechanism and a sealing mechanism of the plate heat exchange structure for organic waste gas according to the present application from a first perspective;

[0031] Figure 4 FIG. 4 is an exploded view of the heat exchange mechanism and the sealing mechanism of the plate heat exchange structure for organic waste gas according to the present application from a second perspective.

[0032] LEGEND:

[0033] 1. Heat exchange mechanism; 101. Heat exchange frame; 102. Inner cavity; 103. Heat exchange pipe; 104. First connecting block; 105. Connecting screw; 106. Through hole; 2. Sealing mechanism; 201. Cover plate; 202. Second connecting block; 203. Connecting pipe; 204. Sealing ring; 3. Connecting mechanism; 301. Fixed rod; 302. Clamping groove; 303. Threaded rod; 304. Fixed screw. DETAILED DESCRIPTION

[0034] REFERENCE Figures 1-4The utility model provides a kind of plate heat exchange structure for organic waste gas: including heat exchange mechanism 1, the top of heat exchange mechanism 1 is equipped with sealing mechanism 2, the quantity of heat exchange mechanism 1 and sealing mechanism 2 is multiple, one heat exchange mechanism 1 and one sealing mechanism 2 form a plate heat exchanger, multiple plate heat exchangers are stacked and combined to form plate heat exchange mechanism, and the high-temperature waste gas generated by catalytic combustion treatment can be fully heat exchanged by the plate heat exchange mechanism formed by combination, heat exchange mechanism 1 includes heat exchange frame 101, inner cavity 102 is opened in the inside of heat exchange frame 101, high-temperature waste gas generated by catalytic combustion treatment enters inner cavity 102 and carries out heat exchange, heat exchange pipe 103 is fixedly connected in the inside of heat exchange frame 101, untreated organic waste gas enters heat exchange pipe 103 and carries out heat exchange, and the untreated organic waste gas is preheated by high-temperature waste gas, to facilitate subsequent catalytic combustion treatment of untreated organic waste gas, heat exchange pipe 103 is located in the inside of inner cavity 102, and the both ends of heat exchange pipe 103 extend to the outside of heat exchange frame 101, and the bottom of heat exchange frame 101 is equipped with through hole 106, and high-temperature waste gas enters inner cavity 102 from through hole 106, sealing mechanism 2 includes cover plate 201, cover plate 201 is fixedly connected with connecting pipe 203 on the top, the position of connecting pipe 203 corresponds with the position of through hole 106, after the stacking of multiple heat exchange mechanism 1 and sealing mechanism 2, connecting pipe 203 on lower sealing mechanism 2 can be inserted into through hole 106 on upper heat exchange mechanism 1, to facilitate the full heat exchange of high-temperature waste gas, by heat exchange frame 101 and heat exchange pipe 103, high-temperature waste gas after catalytic combustion is introduced into the inner cavity 102 in heat exchange frame 1 from through hole 106 during use, untreated organic waste gas is introduced into heat exchange pipe 103, and the high-temperature waste gas in the inside of inner cavity 102 can preheat organic waste gas in heat exchange pipe 103, and high-temperature waste gas after heat exchange can be discharged from connecting pipe 203, to facilitate subsequent catalytic combustion treatment of organic waste gas, and the top of heat exchange pipe 103 and heat exchange frame 101 is left with gap, and high-temperature waste gas after catalytic combustion can pass through smoothly, when facing high dust or high viscosity waste gas, it can avoid the blockage of heat exchanger, to facilitate the use of heat exchange structure.

[0035] The outer surface of heat exchange frame 101 is fixedly connected with first connecting block 104, first screw hole is opened in the inside of first connecting block 104, connecting screw 105 is screw-connected in the inside of first screw hole, the outer surface of cover plate 201 is fixedly connected with second connecting block 202, the position of second connecting block 202 corresponds with the position of first connecting block 104, second screw hole is opened in the inside of second connecting block 202, one end of connecting screw 105 is screw-connected with the inside of second screw hole, first connecting block 104 and second connecting block 202 are connected together by connecting screw 105, so that heat exchange frame 101 and cover plate 201 are connected together.

[0036] The outer surface of the connecting pipe 203 is provided with a sealing groove, and a sealing ring 204 is arranged in the sealing groove, so that the plurality of heat exchange mechanisms 1 and the sealing mechanism 2 can be stacked for use, and waste gas leakage is reduced.

[0037] The connecting mechanism 3 is arranged on the outer side of the heat exchange mechanism 1 and the sealing mechanism 2, and the connecting mechanism 3 comprises two fixing rods 301, one of which is arranged at the bottom of the lowermost heat exchange mechanism 1, and the other of which is arranged at the top of the uppermost sealing mechanism 2.

[0038] Working principle: through the heat exchange frame 101 and the heat exchange pipe 103, the high-temperature waste gas after catalytic combustion is introduced into the inner cavity 102 inside the heat exchange frame 1 from the through hole 106, and the untreated organic waste gas is introduced into the heat exchange pipe 103, the high-temperature waste gas in the inner cavity 102 preheats the organic waste gas in the heat exchange pipe 103, and the high-temperature waste gas after heat exchange is discharged from the connecting pipe 203, so as to facilitate subsequent catalytic combustion treatment of the organic waste gas, and at the same time, the heat exchange pipe 103 and the top of the heat exchange frame 101 have a gap, so that the high-temperature waste gas after catalytic combustion can pass through smoothly, and when facing high-dust or high-viscosity waste gas, the heat exchanger can be prevented from being blocked, and the heat exchange structure is convenient to use.

[0039] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A plate heat exchanger structure for organic exhaust gases, comprising a heat exchanger structure (1), characterized in that: The top of the heat exchange mechanism (1) is provided with a sealing mechanism (2), the number of heat exchange mechanism (1) and sealing mechanism (2) is multiple, the heat exchange mechanism (1) comprises a heat exchange frame (101), the inside of heat exchange frame (101) is provided with an inner cavity (102), the inside of heat exchange frame (101) is fixedly connected with heat exchange pipe (103), heat exchange pipe (103) is located in the inner cavity (102), and both ends of heat exchange pipe (103) extend to the outside of heat exchange frame (101), the bottom of heat exchange frame (101) is provided with a through hole (106), the sealing mechanism (2) comprises a cover plate (201), the top of cover plate (201) is fixedly connected with a connecting pipe (203), the position of connecting pipe (203) corresponds to the position of through hole (106).

2. A plate heat exchanger structure for organic exhaust gas according to claim 1, characterized in that: The outer surface of the heat exchange frame (101) is fixedly connected with a first connecting block (104), a first screw hole is formed in the inside of the first connecting block (104), and a connecting screw (105) is screwed into the inside of the first screw hole.

3. A plate heat exchanger structure for organic exhaust gas according to claim 2, characterized in that: The outer surface of the cover plate (201) is fixedly connected with a second connecting block (202), the position of the second connecting block (202) corresponds to the position of the first connecting block (104), a second screw hole is formed in the inside of the second connecting block (202), and one end of the connecting screw (105) is screwed into the inside of the second screw hole.

4. A plate heat exchanger structure for organic exhaust gas according to claim 1, characterized in that: The outer surface of the connecting pipe (203) is provided with a sealing groove, and the sealing groove is provided with a sealing ring (204).

5. A plate heat exchanger structure for organic exhaust gas according to claim 1, characterized in that: The outer side of the heat exchange mechanism (1) and the sealing mechanism (2) is provided with a connecting mechanism (3), the connecting mechanism (3) comprises two fixed rods (301), one of the fixed rods (301) is located at the bottom of the lowermost heat exchange mechanism (1), and the other fixed rod (301) is located at the top of the uppermost sealing mechanism (2).

6. A plate heat exchanger structure for organic exhaust gas according to claim 5, characterized in that: The inside of the fixed rod (301) is provided with a fixed hole, and the inside of the fixed hole is provided with a threaded rod (303), and the upper and lower ends of the threaded rod (303) are screwed with a fixed screw (304).

7. A plate heat exchanger structure for organic exhaust gas according to claim 6, characterized in that: The inside of the fixed rod (301) is provided with a clamping groove (302), and the fixed screw (304) is located in the clamping groove (302).