Waste heat recovery device for industrial waste gas

By designing a waste heat recovery device, the problem of dust blockage in industrial waste gas treatment is solved, efficient waste gas emissions and heat energy recovery are achieved, and energy utilization is improved.

CN223307415UActive Publication Date: 2025-09-05SHANXI XINYIMIN THERMAL POWER CO LTD
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Patent Information

Application Number
CN202422714494.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-07
Publication Date
2025-09-05
Estimated Expiration
2034-11-07

AI Technical Summary

Technical Problem

Existing industrial waste gas treatment equipment is blocked due to dust or particulate matter, which affects the emission efficiency. At the same time, the waste gas contains a large amount of heat energy and has not been effectively utilized.

Method used

A waste heat recovery device is designed, including a cabinet, a heat exchanger, a steam generator, a filter plate and an activated carbon package. The dust is removed by sealing gaskets and rotating scrapers, and the heat energy of the waste gas is recovered by a heat exchanger to generate steam.

Benefits of technology

The emission efficiency and energy utilization rate of waste gas treatment are improved, blocked, and the effective recycling and utilization of heat energy in waste gas is achieved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of industrial waste gas treatment, and provides a waste heat recovery device for industrial waste gas, which comprises a cabinet body, a mounting plate and a mounting port, the access pipe is arranged on the surface of one side of the cabinet body, a baffle is arranged in the cabinet body, and a through hole is formed in the surface of the baffle; and the heat exchanger is arranged on the inner wall of the cabinet body, and a connecting pipe is arranged on the surface of one side of the heat exchanger. According to the utility model, discharged gas is discharged through the through holes, and when the discharged gas is in contact with the fan blades, the rotating shaft is driven to rotate in the filter plate, the scraping plate on the surface is driven to scrape dust or particles remaining on the surfaces of the filter holes, and the limiting plate is matched to carry out limiting work; harmful substances in the gas are filtered through the activated carbon bags on the surface of the frame, so that dust or particles in the waste gas are prevented from influencing the treatment process during long-term work.
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Description

Technical Field

[0001] The utility model relates to the technical field of industrial waste gas treatment, in particular to a waste heat recovery device for industrial waste gas. Background Art

[0002] Industrial waste gas refers to the general term for various pollutant gases discharged into the air during fuel combustion and production processes within enterprise factories. These waste gases include carbon dioxide, carbon disulfide, hydrogen sulfide, fluoride, nitrogen oxides, chlorine, hydrogen chloride, carbon monoxide, sulfuric acid, lead and mercury, beryllium, smoke and industrial dust. Discharge into the atmosphere will pollute the air. These substances enter the human body through the respiratory tract through different pathways. Some of them cause direct harm, while others have a cumulative effect, which will more seriously endanger human health.

[0003] In the existing technology, in order to treat industrial waste gas, relevant equipment is often used to treat the waste gas before discharging it. However, when some equipment treats industrial waste gas, the dust or particles contained in the waste gas cause waste gas discharge to be blocked, affecting the emission efficiency. At the same time, industrial waste gas contains a large amount of heat energy. In order to better save energy, relevant equipment should be used to utilize the heat energy therein. Utility Model Content

[0004] The purpose of the utility model is to solve the problems existing in the prior art: in order to treat industrial waste gas, relevant equipment is often used to treat the waste gas before discharging it, but when some equipment treats industrial waste gas, the dust or particles contained in the waste gas lead to waste gas discharge blockage, affecting the emission efficiency, and at the same time, industrial waste gas contains a large amount of heat energy. In order to better save energy, relevant equipment should be used to utilize the heat energy therein.

[0005] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solution: a waste heat recovery device for industrial waste gas, comprising: a cabinet and a mounting plate, wherein the mounting port is provided on the surface of the cabinet; and further comprising:

[0006] An access pipe is provided on one side surface of the cabinet body, a baffle is provided inside the cabinet body, and a through hole is opened on the surface of the baffle;

[0007] A heat exchanger is arranged on the inner wall of the cabinet, a connecting pipe is provided on one side surface of the heat exchanger, the connecting pipe is provided on the surface of the through hole, an output pipe is provided on one side surface of the heat exchanger, and a steam generator is provided at one end of the output pipe.

[0008] Preferably, the steam generator is arranged on the inner wall of the cabinet, a steam pipe is provided at one end of the steam generator, and a valve is provided on one side surface of the steam pipe.

[0009] The technical effect of adopting the above further solution is: positioning the steam generator through the cabinet, and conveniently discharging the high-temperature steam inside the steam generator by manipulating the valve on the surface of the steam pipe.

[0010] Preferably, a sealing gasket is provided on one side surface of the mounting plate, and two of the sealing gaskets are movably connected to the inner wall of the mounting opening.

[0011] The technical effect of adopting the above further solution is: a sealing effect is provided by the sealing gasket on the surface of the mounting plate contacting with the mounting opening.

[0012] Preferably, a filter plate is fixedly mounted on one side surface of the mounting plate, and filter holes are provided on the surface of the filter plate.

[0013] The technical effect of adopting the above further solution is: the filter plate is fixed by the mounting plate, and the gas discharge work is facilitated through the filter holes opened on the surface of the filter plate.

[0014] Preferably, a rotating shaft is embedded in the internal bearing of the filter plate, and a fan blade is fixedly mounted on one end of the rotating shaft.

[0015] The technical effect of adopting the above further solution is: the rotating shaft is positioned by the filter plate, and when the exhaust gas contacts the fan blades, the rotating shaft is driven to rotate.

[0016] Preferably, a limiting plate is provided on one end surface of the rotating shaft, and the limiting plate is slidably connected to the surface of the filter plate.

[0017] The technical effect of adopting the above further solution is that the limiting piece on the surface of the rotating shaft is slidably connected to the surface of the filter plate, thereby providing limiting work for the rotating shaft.

[0018] Preferably, a plurality of scrapers are provided on one end surface of the rotating shaft, and one end of the plurality of scrapers is slidably connected to the surface of the filter plate.

[0019] The technical effect of adopting the above further solution is that when the rotating shaft works, the scraper on the surface is driven to scrape away dust or particles on the surface of the filter plate.

[0020] Preferably, a frame is provided on one side surface of the mounting plate, and an activated carbon bag is provided inside the frame.

[0021] The technical effect of adopting the above further solution is: fixing the surface frame through the mounting plate and filtering the harmful parts in the exhaust gas through the activated carbon bag.

[0022] Compared with the prior art, the advantages and positive effects of the present invention are:

[0023] 1. In the utility model, the industrial waste gas emission pipe is connected through an access pipe, and a sealing gasket on the surface of the mounting plate is connected to the mounting port to enhance the sealing performance. The discharged gas is discharged through the through hole to increase the strong pressure. When it comes into contact with the fan blades, it drives the rotating shaft to rotate inside the filter plate, driving the scraper on the surface to scrape off the dust or particles remaining on the surface of the filter hole, and cooperates with the limiting piece to perform limiting work, and then the activated carbon bag on the surface of the frame is used to filter the harmful substances in the gas to prevent the dust or particles in the exhaust gas from affecting the treatment process during long-term work.

[0024] 2. In the present invention, high-temperature exhaust gas is transmitted to the interior of the heat exchanger through a connecting pipe. The high-temperature exhaust gas exchanges heat with water or other working fluids inside the heat exchanger. The water after heat exchange is transferred to the interior of the steam generator through an output pipe, where it is further heated to generate steam. The steam can be discharged to other places by controlling the valve on the surface of the steam pipe for use in heating or power generation, etc. This method is simple to operate and improves energy utilization. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a schematic diagram of a top view of a waste heat recovery device for industrial waste gas proposed in the utility model;

[0026] Figure 2 The utility model provides a schematic diagram of the internal structure of a waste heat recovery device for industrial waste gas;

[0027] Figure 3 This is a schematic diagram of the partial internal structure of a waste heat recovery device for industrial waste gas proposed in the utility model;

[0028] Figure 4 The utility model provides a partial cross-sectional structural schematic diagram of a waste heat recovery device for industrial waste gas.

[0029] Legend:

[0030] 1. Cabinet; 101. Access pipe; 102. Mounting port; 103. Baffle; 1031. Through hole; 104. Heat exchanger; 1041. Connecting pipe; 1042. Output pipe; 105. Steam generator; 1051. Steam pipe; 1052. Valve; 2. Mounting plate; 201. Sealing gasket; 202. Filter plate; 2021. Filter hole; 2022. Rotating shaft; 2023. Fan blade; 2024. Scraper; 2025. Limiting piece; 203. Frame; 2031. Activated carbon bag. DETAILED DESCRIPTION

[0031] In order to more clearly understand the above-mentioned purpose, features and advantages of the present invention, the present invention is further described below with reference to the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features therein can be combined with each other without conflict.

[0032] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0033] Example 1, as Figures 1 to 4 As shown, the utility model provides a waste heat recovery device for industrial waste gas, including: a cabinet 1 and a mounting plate 2, a mounting port 102, which is opened on the surface of the cabinet 1; also including: an access pipe 101, which is arranged on one side surface of the cabinet 1, a baffle 103 is provided inside the cabinet 1, and a through hole 1031 is opened on the surface of the baffle 103; a heat exchanger 104, which is arranged on the inner wall of the cabinet 1, a connecting pipe 1041 is provided on one side surface of the heat exchanger 104, and the connecting pipe 1041 is provided on the surface of the through hole 1031, an output pipe 1042 is provided on one side surface of the heat exchanger 104, and a steam generator 105 is provided at one end of the output pipe 1042.

[0034] In this embodiment, the industrial waste gas emission pipeline is connected through the access pipe 101, and the sealing gasket 201 on the surface of the mounting plate 2 is connected to the mounting port 102 to enhance the sealing performance. The discharged gas is discharged through the through hole 1031 to increase the strong pressure. When it contacts the fan blade 2023, it drives the rotating shaft 2022 to rotate inside the filter plate 202, and drives the scraper 2024 on the surface to scrape off the dust or particles remaining on the surface of the filter hole 2021, and cooperates with the limiting piece 2025 to perform limiting work, and then the harmful substances in the gas are filtered through the activated carbon bag 2031 on the surface of the frame 203 to prevent the dust or particles in the exhaust gas from affecting the treatment process during long-term work.

[0035] In Example 2, the steam generator 105 is arranged on the inner wall of the cabinet 1, and a steam pipe 1051 is provided at one end of the steam generator 105. A valve 1052 is provided on one side surface of the steam pipe 1051. A sealing gasket 201 is provided on one side surface of the mounting plate 2. The two sealing gaskets 201 are movably connected to the inner wall of the mounting port 102. A filter plate 202 is fixedly installed on one side surface of the mounting plate 2. The surface of the filter plate 202 is provided with a filter hole 2021. The internal bearing of the filter plate 202 is embedded with a filter hole 2021. A rotating shaft 2022, a fan blade 2023 is fixedly installed on one end of the rotating shaft 2022, a limit plate 2025 is provided on the surface of one end of the rotating shaft 2022, and the limit plate 2025 is slidably connected to the surface of the filter plate 202, a plurality of scrapers 2024 are provided on the surface of one end of the rotating shaft 2022, and one end of the plurality of scrapers 2024 is slidably connected to the surface of the filter plate 202, a frame 203 is provided on the surface of one side of the mounting plate 2, and an activated carbon bag 2031 is provided inside the frame 203.

[0036] In this embodiment, the high-temperature exhaust gas is transmitted to the interior of the heat exchanger 104 through the connecting pipe 1041. The high-temperature exhaust gas exchanges heat with the water or other working fluid inside the heat exchanger 104. The water after heat exchange is transferred to the interior of the steam generator 105 through the output pipe 1042, and is further heated in the steam generator 105 to generate steam. By controlling the valve 1052 on the surface of the steam pipe 1051, it can be discharged to other places for use in heating or power generation, etc., which is simple to operate and improves energy utilization.

[0037] Working principle: When in use, the industrial waste gas discharge pipe is connected through the access pipe 101, and the sealing gasket 201 on the surface of the mounting plate 2 is connected to the mounting port 102 to enhance the sealing. The discharged gas is discharged through the through hole 1031 to increase the strong pressure. When it contacts the fan blade 2023, it drives the rotating shaft 2022 to rotate inside the filter plate 202, and drives the scraper 2024 on the surface to scrape off the dust or particles remaining on the surface of the filter hole 2021, and cooperates with the limiting piece 2025 to perform the limiting work, and then the harmful substances in the gas are filtered through the activated carbon bag 2031 on the surface of the frame 203. Later, by disassembling The mounting plate 2 can clean the internal impurities to prevent dust or particles in the exhaust gas from affecting the processing process during long-term operation. It is transmitted to the interior of the heat exchanger 104 through the connecting pipe 1041. The high-temperature exhaust gas exchanges heat with the water or other working fluids inside the heat exchanger 104. The water after heat exchange is transferred to the interior of the steam generator 105 through the output pipe 1042, and is further heated in the steam generator 105 to generate steam. By controlling the valve 1052 on the surface of the steam pipe 1051, it can be discharged to other places for heating or power generation, etc. It is simple to operate and improves energy utilization.

[0038] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any other form. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes for application in other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention shall still fall within the scope of protection of the technical solution of the present invention.

Claims

1. A waste heat recovery device for industrial waste gas, comprising: The cabinet (1) and the mounting plate (2), wherein the mounting opening (102) is provided on the surface of the cabinet (1), are characterized in that they further comprise: An access pipe (101) is provided on a side surface of the cabinet (1); a baffle (103) is provided inside the cabinet (1); and a through hole (1031) is provided on the surface of the baffle (103); A heat exchanger (104) is arranged on the inner wall of the cabinet (1); a connecting pipe (1041) is provided on one side surface of the heat exchanger (104); the connecting pipe (1041) is provided on the surface of the through hole (1031); an output pipe (1042) is provided on one side surface of the heat exchanger (104); a steam generator (105) is provided at one end of the output pipe (1042).

2. The waste heat recovery device for industrial waste gas according to claim 1, characterized in that: The steam generator (105) is arranged on the inner wall of the cabinet (1), a steam pipe (1051) is arranged at one end of the steam generator (105), and a valve (1052) is arranged on one side surface of the steam pipe (1051).

3. The waste heat recovery device for industrial waste gas according to claim 1, characterized in that: A sealing gasket (201) is provided on one side surface of the mounting plate (2), and the two sealing gaskets (201) are movably connected to the inner wall of the mounting opening (102).

4. The waste heat recovery device for industrial waste gas according to claim 3, characterized in that: A filter plate (202) is fixedly mounted on one side surface of the mounting plate (2), and filter holes (2021) are provided on the surface of the filter plate (202).

5. The waste heat recovery device for industrial waste gas according to claim 4, characterized in that: A rotating shaft (2022) is embedded in the internal bearing of the filter plate (202), and a fan blade (2023) is fixedly mounted on one end of the rotating shaft (2022).

6. The waste heat recovery device for industrial waste gas according to claim 5, characterized in that: A limiting plate (2025) is provided on one end surface of the rotating shaft (2022), and the limiting plate (2025) is slidably connected to the surface of the filter plate (202).

7. The waste heat recovery device for industrial waste gas according to claim 6, characterized in that: A plurality of scrapers (2024) are provided on one end surface of the rotating shaft (2022), and one end of the plurality of scrapers (2024) is slidably connected to the surface of the filter plate (202).

8. The waste heat recovery device for industrial waste gas according to claim 7, characterized in that: A frame (203) is provided on one side surface of the mounting plate (2), and an activated carbon bag (2031) is provided inside the frame (203).