Waste heat utilization and waste gas collection pipeline

By using detachable mounting plates and connecting components in the waste heat recovery gas collection pipeline, combined with scale inhibitor components and pump body, the problem of scale formation in cold water heat exchange pipelines is solved, enabling rapid scale reduction and convenient replacement of waste heat recovery pipes, thereby improving the operating efficiency and maintenance convenience of the equipment.

CN224051140UActive Publication Date: 2026-03-27WUHAN YUECHENG ENVIRONMENTAL PROTECTION VENTILATION EQUIP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-15
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

When existing waste heat collection pipelines are in use, scale easily forms on the inner wall of the cold water heat exchange pipes, and it is difficult to quickly remove and replace it.

Method used

Design a waste heat recovery pipe for collecting exhaust gas, using a detachable mounting plate and connecting components, combined with scale inhibitor components and a pump body, to achieve scale reduction treatment of cold water and support quick replacement of the waste heat recovery pipe.

Benefits of technology

It enables rapid scale removal of cold water and convenient replacement of waste heat recovery pipes, improving heat exchange efficiency and equipment maintenance convenience.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of waste gas treatment pipelines, and discloses a waste heat utilization waste gas collection pipeline which comprises a pipeline body, a mounting plate, a waste heat recovery pipe, a recovery bin, a connecting assembly and a pressing assembly. The supporting frame is fixedly installed on the outer side of the pipeline, the installation plate is detachably installed on the pipeline, and the waste heat recovery pipe is fixedly installed on the installation plate. The waste heat recovery device has the following advantages and effects that cold water flows into the waste heat recovery pipe under the action of the pump body, and waste gas is in contact heat exchange through the waste heat recovery pipe, so that the cold water can be heated and discharged through the drainage pipe, and before the cold water enters the waste heat recovery pipe, the cold water can be subjected to scale reduction treatment through the descaling piece; and the waste heat recovery pipe can be drawn out of the mounting groove along with the mounting plate, so that the purpose of quick treatment is achieved by replacing a new waste heat recovery pipe, and the waste heat recovery pipe is convenient to replace and the heat exchange efficiency is guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to waste gas treatment pipeline technical field especially relates to a waste heat utilization waste gas collecting pipeline. BACKGROUND

[0002] The production waste gas contains a large amount of harmful substances, such as sulfur dioxide, nitrogen dioxide, carbon monoxide, benzene, toluene, etc. If these substances are directly discharged into the atmosphere, they will have a serious impact on air quality, leading to the intensification of air pollution problems.

[0003] By concentrating on collecting, treating and discharging waste gas, it helps to reduce environmental problems such as acid rain, greenhouse effect and ozone layer destruction. At the same time, effective treatment of waste gas can also protect the ecological system of plants and animals from the impact of harmful chemicals, maintain ecological balance and ecological safety.

[0004] The existing Chinese patent with publication number CN212390881U discloses an ink printing waste gas pipeline with waste heat recovery, which comprises a support, a pipeline is arranged on the support, a waste heat recovery device is arranged on the pipeline, the waste heat recovery device comprises a heat exchanger, a fixed pipe, a fixed seat, a heat exchanger, a water tank and a water pump, the fixed seat is installed on the ground, the fixed pipe is installed on the fixed seat and the fixed pipe is installed in the middle section of the pipeline, the two ends of the fixed pipe are communicated with the pipeline, through the waste heat recovery device, the heat in the ink printing waste gas is recycled and utilized.

[0005] Based on the above situation, the present inventor believes that the current waste heat collection pipeline is often set in the pipeline by a fixed mode when in use, and due to the frequent heat absorption and heat exchange inside the pipeline, scale is more likely to form on the inner wall of the pipeline, and it is also difficult to quickly treat this phenomenon, and the heat exchange pipe with serious scale is also difficult to replace quickly, therefore, the present inventor proposes an improved waste heat utilization waste gas collection pipeline. UTILITY MODEL CONTENT

[0006] The utility model aims at providing a waste heat utilization waste gas collection pipeline, which has the effect of quickly descaling the cold water and quickly replacing the heat exchange pipe when the scale is serious.

[0007] The above technical purpose of the utility model is realized by the following technical scheme: a waste heat utilization waste gas collection pipeline, comprising a pipeline, a mounting plate, a waste heat recovery pipe, a recovery bin, a linking assembly and a pressing assembly.

[0008] The support frame is fixed outside the pipeline, the mounting plate is detachably mounted on the pipeline, the waste heat recovery pipe is fixed on the mounting plate, cold water flows in the waste heat recovery pipe, the waste heat recovery pipe is installed in or removed from the pipeline by detaching or mounting the mounting plate, the recovery bin is located below the waste heat recovery pipe, the waste heat recovery pipe and the recovery bin are connected through the connecting assembly, and the pipeline and the mounting plate are fixed through the pressing assembly.

[0009] Further, the pipeline is provided with a through inner-outer wall mounting groove at the bottom side, the mounting groove has an open structure at the front end, the mounting plate comprises a mounting and detaching plate, the mounting and detaching plate is inserted into the mounting groove at the outer side, and the outer wall of the waste heat recovery pipe is inserted into the mounting and detaching plate.

[0010] When the waste heat recovery pipe needs to be taken out, the mounting and detaching plate can be taken out from the open structure at the front end of the mounting groove, so that the waste heat recovery pipe is taken out.

[0011] Further, the mounting groove is integrally provided with a protruding hoop strip at the inner wall, the mounting and detaching plate is provided with a hoop groove at the outer side, and the mounting and detaching plate is inserted into the hoop strip through the hoop groove.

[0012] The mounting and detaching plate has improved mounting stability and sealing performance.

[0013] Further, the recovery bin comprises a bin body, a bin cover and a top pipe, the bin cover is bolt-connected to the bin body at the bottom side, the top pipe is fixedly connected to the bin body at the outer side, and the top pipe is connected to the connecting assembly at the top end.

[0014] The connecting assembly ensures the delivery of the cold water in the top pipe.

[0015] Further, the number of the top pipes is two, the bin body is fixedly provided with a water inlet pipe and a drain pipe at the outer side, the drain pipe is connected to the bottom end of one of the top pipes, the water inlet pipe is connected to the scale inhibition assembly through the connecting assembly at the bottom end, the bin body is fixedly provided with a pump body inside, the pump body is connected to the scale inhibition assembly at the input end, and the output end is sequentially connected to a water delivery pipe and the other top pipe.

[0016] The cold water is delivered by the pump body and then discharged from the top pipe, and then sent into the pipeline through the connecting assembly from the water inlet of the waste heat recovery pipe.

[0017] Further, the scale inhibition assembly comprises a first flange plate, a mesh tube, a scale inhibition piece and a connecting pipe, the inner wall of the first flange plate is fixed to the connecting pipe, the mesh tube is inserted into the connecting pipe, the scale inhibition piece is arranged on the mesh tube, and the connecting pipe is connected to the input end of the pump body.

[0018] When the cold water flows into the connecting pipe, the scale inhibition piece can be used for scale inhibition treatment.

[0019] The utility model discloses further provide: the inner wall of the connecting pipe is fixed with the baffle, and the net cylinder bottom end and the baffle are in contact.

[0020] Through adopting above -mentioned technical scheme, the net cylinder can be stably inserted in the inside of the connecting pipe.

[0021] The utility model discloses further provide: the scale -inhibiting piece is scale -inhibiting agent granule.

[0022] Through adopting above -mentioned technical scheme, remove scale and prevent the formation of scale, improve heat exchange efficiency.

[0023] The utility model discloses further provide: the link assembly includes two second flange plates that are spaced apart, and the second flange plates are connected by a hose, and the second flange plates are fixed with the waste heat recovery pipe, the top pipe and the first flange plate.

[0024] Through adopting above -mentioned technical scheme, when the waste heat recovery pipe needs to be removed together with the loading and unloading plate, only the second flange plate connected with the waste heat recovery pipe needs to be removed.

[0025] The utility model discloses further provide: the compression assembly includes the compression disc and the compression ring, and the inner wall of the compression ring is fixed with the pipeline outer wall, and the front end of the compression ring and the front end of the loading and unloading plate are the same horizontal plane, and the outside of the compression disc is bolted with the compression ring, and the outside of the compression disc keeps the adhesion with the loading and unloading plate.

[0026] The utility model discloses beneficial effect is:

[0027] Cold water flows into the waste heat recovery pipe under the action of the pump body, and the exhaust gas is contacted and exchanged by the waste heat recovery pipe, so that the cold water can be heated and treated, and discharged through the drain pipe. When the cold water enters the waste heat recovery pipe, the descaling device can be used to reduce the scale and reduce the generation of subsequent scale. When the scale in the waste heat recovery pipe is too much, the compression disc can be removed first, and then the two joints of the waste heat recovery pipe are separated from the second flange plate, so that the waste heat recovery pipe can be pulled out in the installation groove with the installation plate, so that a new waste heat recovery pipe is replaced to achieve the purpose of quick processing and ensure the convenience of replacing the waste heat recovery pipe and the heat exchange efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0028] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the drawings needed in the embodiment description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can obtain other drawings according to these drawings without creating labor.

[0029] Figure 1A structure schematic view of waste heat utilization waste gas collecting pipeline provided by the embodiment of the utility model;

[0030] Figure 2 A structure schematic view of mounting plate in the embodiment of the utility model;

[0031] Figure 3 A structure schematic view of mounting groove in the embodiment of the utility model;

[0032] Figure 4 A structure schematic view of recovery bin in the embodiment of the utility model;

[0033] Figure 5 A structure schematic view of scale resistance component in the embodiment of the utility model.

[0034] In the drawing, 1, pipeline; 2, mounting plate; 3, waste heat recovery pipe; 4, recovery bin; 5, connecting component; 6, pressing component; 11, support frame; 12, mounting groove; 121, hoop strip; 21, mounting and dismounting plate; 22, hoop groove; 41, bin body; 42, bin cover; 43, top pipe; 44, water inlet pipe; 45, drain pipe; 46, scale resistance component; 47, pump body; 48, water delivery pipe; 461, first flange plate; 462, meshed tube; 463, scale resistance piece; 464, connecting pipe; 465, retaining ring; 51, second flange plate; 52, hose; 61, pressing disc; 62, pressing ring. DETAILED DESCRIPTION

[0035] The technical scheme of the utility model will be described clearly and completely in combination with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0036] The embodiment of the utility model specifically provides a waste heat utilization waste gas collecting pipeline, please refer to Figure 1 , including pipeline 1, mounting plate 2, waste heat recovery pipe 3, recovery bin 4, connecting component 5 and pressing component 6.

[0037] The pipeline 1 is fixed with a support frame 11 on the outside, and is in contact with the placement surface through the support frame 11. One end of the pipeline 1 is connected with a conveying pipeline after waste gas treatment, and the other end directly discharges the treated waste gas. The mounting plate 2 is detachably mounted on the pipeline 1. The waste heat recovery pipe 3 is fixed on the mounting plate 2, so that the waste heat recovery pipe 3 can be taken out and replaced as a whole from the pipeline 1 by detaching and mounting the mounting plate 2. Cold water flows in the waste heat recovery pipe 3. By detaching and mounting the mounting plate 2, the waste heat recovery pipe 3 can be mounted in and removed from the pipeline 1. The recovery bin 4 is located below the waste heat recovery pipe 3. The waste heat recovery pipe 3 and the recovery bin 4 are connected through the connecting assembly 5. The pipeline 1 and the mounting plate 2 are fixed through the pressing assembly 6 to ensure the mounting stability of the mounting plate 2.

[0038] Further, please refer to Figure 2 The pipeline 1 is fixed with a support frame 11 on the outside, and is in contact with the placement surface through the support frame 11. One end of the pipeline 1 is connected with a conveying pipeline after waste gas treatment, and the other end directly discharges the treated waste gas. The mounting plate 2 is detachably mounted on the pipeline 1. The waste heat recovery pipe 3 is fixed on the mounting plate 2, so that the waste heat recovery pipe 3 can be taken out and replaced as a whole from the pipeline 1 by detaching and mounting the mounting plate 2. Cold water flows in the waste heat recovery pipe 3. By detaching and mounting the mounting plate 2, the waste heat recovery pipe 3 can be mounted in and removed from the pipeline 1. The recovery bin 4 is located below the waste heat recovery pipe 3. The waste heat recovery pipe 3 and the recovery bin 4 are connected through the connecting assembly 5. The pipeline 1 and the mounting plate 2 are fixed through the pressing assembly 6 to ensure the mounting stability of the mounting plate 2.

[0039] Specifically, please refer to Figure 3 The inner wall of the mounting groove 12 is integrally provided with a protruding hoop 121. The outer side of the mounting plate 21 is provided with a hoop groove 22. The mounting plate 21 is inserted into the hoop groove 22 and the hoop 121 to improve the mounting stability and sealing performance of the mounting plate 21.

[0040] Further, please refer to 4, the recovery bin 4 includes a bin body 41, a bin cover 42 and a top pipe 43. The bottom side of the bin cover 42 is bolted to the bin body 41, so that the inside of the bin body 41 is opened by detaching the bin cover 42. The outer side of the top pipe 43 is fixedly connected to the bin body 41. The top end of the top pipe 43 is connected to the connecting assembly 5 to ensure the delivery of cold water in the top pipe 43 through the connecting assembly 5.

[0041] The number of top pipes 43 is two, which are connected to the water inlet and outlet of the waste heat recovery pipe 3 through the connecting assembly 5. The outer side of the bin body 41 is fixedly provided with a water inlet pipe 44 and a drain pipe 45. The water inlet pipe 44 is connected to an external cold water feeding mechanism. The drain pipe 45 is used to discharge the heated water. The drain pipe 45 is connected to the bottom end of one of the top pipes 43, so that when the cold water flows into the waste heat recovery pipe 3 and the pipeline 1 discharges the waste gas with heat, the cold water in the waste heat recovery pipe 3 can be in contact with the waste gas and heated by the waste gas, so as to achieve the purpose of heating the cold water. The heated water is discharged from the water outlet of the waste heat recovery pipe 3 through the connecting assembly 5 into the top pipe 43, and then discharged from the drain pipe 45

[0042] In implementation, the bottom end of the water inlet pipe 44 is connected with the scale inhibition assembly 46 through the adapter assembly 5, so that the cold water can pass through the scale inhibition assembly 46 for descaling and reducing scale formation when being discharged. The pump body 47 is fixed in the inner part of the bin body 41. The input end of the pump body 47 is connected with the scale inhibition assembly 46, and the output end is sequentially connected with the water delivery pipe 48 and the other top pipe 43, so that the cold water can be discharged from the top pipe 43 after being delivered by the pump body 47, and then be sent into the pipeline from the water inlet of the waste heat recovery pipe 3 through the adapter assembly 5.

[0043] Specifically, referring to Figure 5 , the scale inhibition assembly 46 comprises a first flange plate 461, a mesh cylinder 462, a scale inhibition piece 463 and a connecting pipe 464. The inner wall of the first flange plate 461 is fixed with the connecting pipe 464. The mesh cylinder 462 is inserted into the connecting pipe 464. The scale inhibition piece 463 is arranged on the mesh cylinder 462. The connecting pipe 464 is connected with the input end of the pump body 47, so that when the cold water flows into the inner part of the connecting pipe 464, the cold water can be subjected to scale inhibition treatment by the scale inhibition piece 463 and then be delivered into the waste heat recovery pipe 3 by the pump body 47, thereby reducing scale and inhibiting scale formation.

[0044] The inner wall of the connecting pipe 464 is fixed with a retaining ring 465. The bottom end of the mesh cylinder 462 abuts against the retaining ring 465, so that the mesh cylinder 462 can be stably inserted into the inner part of the connecting pipe 464. When the scale inhibition piece 463 needs to be replaced, the mesh cylinder 462 can be taken out of the connecting pipe 464.

[0045] In implementation, the scale inhibition piece 463 is a scale inhibition agent particle, which can remove scale and prevent scale formation, thereby improving heat exchange efficiency.

[0046] Further, referring to Figure 2 , the adapter assembly 5 comprises two second flange plates 51 which are spaced apart and connected through a hose 52. The second flange plates 51 are fixed with the waste heat recovery pipe 3, the top pipe 43 and the first flange plate 461, so that when the waste heat recovery pipe 3 needs to be moved out together with the loading and unloading plate 21, the second flange plate 51 connected with the waste heat recovery pipe 3 can be removed, so that the waste heat recovery pipe 3 can be moved out. When the mesh cylinder 462 needs to be taken out, the second flange plate 51 connected with the first flange plate 461 can be removed, so that the mesh cylinder 462 can be taken out.

[0047] The pressing assembly 6 comprises a pressing disc 61 and a pressing ring 62. The inner wall of the pressing ring 62 is fixed with the outer wall of the pipeline 1. The front end of the pressing ring 62 is at the same horizontal plane as the front end of the loading and unloading plate 21. The outer side of the pressing disc 61 is bolted with the pressing ring 62, and the outer side of the pressing disc 61 is in close contact with the loading and unloading plate 21.

[0048] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A waste heat utilization exhaust gas collecting duct, characterized by: The utility model relates to a waste heat recovery device, which comprises a pipeline (1), a mounting plate (2), a waste heat recovery pipe (3), a recovery bin (4), a connecting assembly (5) and a pressing assembly (6). The pipeline (1) is externally provided with a support frame (11), the mounting plate (2) is detachably mounted on the pipeline (1), the waste heat recovery pipe (3) is fixed on the mounting plate (2), cold water flows through the waste heat recovery pipe (3), the waste heat recovery pipe (3) is loaded into or removed from the pipeline (1) by detaching or mounting the mounting plate (2), the recovery bin (4) is located below the waste heat recovery pipe (3), the waste heat recovery pipe (3) and the recovery bin (4) are connected through the connecting assembly (5), and the pipeline (1) and the mounting plate (2) are fixed through the pressing assembly (6).

2. The waste heat utilization exhaust gas collecting duct according to claim 1, characterized in that: The pipeline (1) is provided with a mounting groove (12) penetrating through the inner and outer walls at the bottom side, the mounting groove (12) is of an open structure at the front end, and the mounting plate (2) comprises a detachable plate (21) which is inserted with the mounting groove (12) at the outer side, and the outer wall of the waste heat recovery pipe (3) is inserted with the detachable plate (21).

3. The waste heat utilization exhaust gas collecting duct according to claim 2, characterized in that: The inner wall of the mounting groove (12) is integrally provided with a protruding hoop strip (121), the outer side of the detachable plate (21) is provided with a hoop groove (22), and the detachable plate (21) is inserted with the hoop strip (121) through the hoop groove (22).

4. The waste heat utilization exhaust gas collecting duct according to claim 3, characterized in that: The recovery bin (4) comprises a bin body (41), a bin cover (42) and top pipes (43), the bin cover (42) is bolted with the bin body (41) at the bottom side, and the top pipes (43) are fixedly connected with the bin body (41) at the outer side and connected with the connecting assembly (5) at the top end.

5. A waste heat utilization exhaust gas collecting conduit according to claim 4, characterized in that: There are two top pipes (43), the bin body (41) is fixedly provided with a water inlet pipe (44) and a drain pipe (45), the drain pipe (45) is connected with the bottom end of one of the top pipes (43), the water inlet pipe (44) is connected with a scale inhibition assembly (46) through the connecting assembly (5) at the bottom end, the bin body (41) is fixedly provided with a pump body (47), the input end of the pump body (47) is connected with the scale inhibition assembly (46), and the output end is sequentially connected with a water delivery pipe (48) and the other top pipe (43).

6. A waste heat utilization exhaust gas collecting conduit according to claim 5, characterized in that: The scale inhibition assembly (46) comprises a first flange plate (461), a mesh cylinder (462), a scale inhibition piece (463) and a connecting pipe (464), the inner wall of the first flange plate (461) is fixed with the connecting pipe (464), the mesh cylinder (462) is inserted in the connecting pipe (464), the scale inhibition piece (463) is arranged on the mesh cylinder (462), and the connecting pipe (464) is connected with the input end of the pump body (47).

7. A waste heat utilization exhaust gas collecting conduit according to claim 6, characterized in that: The inner wall of the connecting pipe (464) is fixedly provided with a check ring (465), and the bottom end of the mesh cylinder (462) is in abutting contact with the check ring (465).

8. A waste heat utilization exhaust gas collecting conduit according to claim 7, characterized in that: The scale inhibition piece (463) is a scale inhibitor particle.

9. A waste heat utilization exhaust gas collecting conduit according to claim 8, characterized in that: The connecting assembly (5) comprises two second flange plates (51) which are spaced apart, the second flange plates (51) are connected through a hose (52), and the second flange plates (51) are fixed with the waste heat recovery pipe (3), the top pipes (43) and the first flange plate (461).

10. The waste heat utilization exhaust gas collecting conduit according to claim 9, characterized in that: The pressing assembly (6) comprises a pressing disc (61) and a pressing ring (62), the inner wall of the pressing ring (62) is fixed with the outer wall of the pipeline (1), the front end of the pressing ring (62) is the same horizontal plane with the front end of the dismounting plate (21), the outer side of the pressing disc (61) is bolted with the pressing ring (62), and the outer side of the pressing disc (61) keeps close with the dismounting plate (21).

Citation Information

Patent Citations

  • Printing and coating waste gas pipeline with waste heat recovery function

    CN212390881U