A waste heat recycling device in chemical production
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHENGHONG TECHNOLOGY (XIANGYANG) CO LTD
- Filing Date
- 2025-07-18
- Publication Date
- 2026-06-12
AI Technical Summary
In chemical production, the direct discharge of high-temperature waste gas after heating boiler water leads to environmental pollution and harm to personnel.
A waste heat recovery and utilization device for chemical production was designed, including a heating boiler and a gas filtration mechanism. The gas filtration mechanism includes a gas filter cylinder and a filter assembly. Activated carbon boxes are used to filter and purify toxic and harmful substances in the waste gas. The activated carbon boxes are easy to install and replace through a convenient loading and unloading mechanism.
It effectively filters toxic and harmful substances in exhaust gas, prevents direct emission of exhaust gas, improves environmental protection performance, facilitates the maintenance and replacement of activated carbon boxes, and reduces the risk of environmental and personnel pollution.
Smart Images

Figure CN224353603U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of waste heat recovery and utilization devices, and in particular to a waste heat recovery and utilization device in chemical production. Background Technology
[0002] Waste heat recovery and utilization devices refer to devices that recover and reuse excess heat generated during industrial production processes. This waste heat usually comes from waste heat, wastewater, and waste gas emitted by various industrial equipment during production. Through waste heat recovery technology, this energy can be utilized, which can not only reduce energy consumption and production costs, but also reduce negative impacts on the environment. It is one of the important means of energy conservation and environmental protection.
[0003] When in use, the relevant waste heat recovery and utilization devices usually recover and transport the high-temperature waste gas generated in industrial production to a boiler that can heat water. The heat of the high-temperature waste gas is used to heat the water in the boiler, thereby achieving the effect of recovering and utilizing the waste heat of the high-temperature waste gas.
[0004] However, when using the above methods, the high-temperature exhaust gas generated during industrial production often contains certain toxic and harmful substances. After using the high-temperature exhaust gas to heat the water in the boiler, the exhaust gas is often directly discharged into the surrounding environment, which can easily cause pollution and harm to the surrounding environment and workers.
[0005] Therefore, it is necessary to provide a waste heat recovery and utilization device in chemical production to solve the above-mentioned technical problems. Utility Model Content
[0006] To address the technical problem that after using high-temperature waste gas to heat water in a boiler, the waste gas is often directly discharged into the surrounding environment, causing pollution and harm to the surrounding environment and workers, this utility model provides a waste heat recovery and utilization device for chemical production.
[0007] This utility model provides a waste heat recovery and utilization device in chemical production, comprising:
[0008] The heating boiler is equipped with waste heat recovery mechanisms at both ends for recovering high-temperature exhaust gas.
[0009] The gas filtration mechanism, located at one end of the waste heat recovery mechanism, is used to filter and purify toxic and harmful substances in the waste gas.
[0010] The air filtration mechanism includes an air filter cylinder and a filter assembly. The waste heat recovery mechanism includes an exhaust pipe. The bottom of the air filter cylinder is fixedly connected to one end of the exhaust pipe. The side wall of the filter assembly is installed on the side wall of the air filter cylinder through a convenient loading and unloading mechanism.
[0011] Preferably, the filter assembly includes a fixed plate and an activated carbon box. The side wall of the fixed plate is installed on the side wall of the filter cartridge via a convenient loading and unloading mechanism, and the activated carbon box is installed in the middle of the fixed plate via a clamping unit.
[0012] Preferably, the clamping unit includes several adjusting slides, several supporting slide rods, several sliders, several first springs, and two fixed clamping rods. The several adjusting slides are symmetrically opened at both ends of the fixed plate. The two ends of the several supporting slide rods are respectively fixedly connected to the two ends of the several adjusting slides. The two ends of the two fixed clamping rods are respectively slidably connected to the side walls of the several supporting slide rods through several sliders. The two ends of the several first springs are respectively fixedly connected to one end of the several adjusting slides and one end of the several sliders. The activated carbon box is located between the two fixed clamping rods.
[0013] Preferably, the convenient loading and unloading mechanism includes a push-pull handle and two buckle assemblies. The two ends of the push-pull handle are fixedly connected to the middle of the side wall of the fixed plate, and the two buckle assemblies are symmetrically installed on the side wall of the fixed plate.
[0014] Preferably, the buckle assembly includes a fixing block, a second spring, a control rod, and a fixing slot. One end of the fixing block is elastically connected to the inner side wall of the fixing plate via the second spring. One end of the control rod is fixedly connected to the side wall of the fixing block by sliding through the side wall of the fixing plate. The fixing slot is opened on the inner side wall of the air filter and fits into the fixing block.
[0015] Preferably, the waste heat recovery mechanism further includes a waste heat recovery gas pipe and a valve. One end of the waste heat recovery gas pipe is fixedly connected to the bottom of the heating boiler, the valve is fixedly connected to the side wall of the waste heat recovery gas pipe, and the exhaust pipe is fixedly connected to the top of the heating boiler.
[0016] Compared with related technologies, the waste heat recovery and utilization device in chemical production provided by this utility model has the following beneficial effects:
[0017] By setting up a gas filtration mechanism, it is easy to filter, adsorb and purify toxic and harmful substances in the waste gas after use, thereby avoiding the direct discharge of waste gas into the surrounding environment, which could easily cause pollution and harm to the surrounding environment and workers. Thus, it effectively improves the environmental protection performance of the product. Furthermore, by setting up a convenient loading and unloading mechanism, it is easy to plug in and install and disassemble the activated carbon box, thereby facilitating the maintenance and replacement of the activated carbon box in the later stage, and ensuring the normal filtration and purification of toxic and harmful substances in the waste gas. Attached Figure Description
[0018] Figure 1 A schematic diagram of the waste heat recovery and utilization device in chemical production provided by this utility model;
[0019] Figure 2 Partial cross-sectional view of the waste heat recovery and utilization device in chemical production provided by this utility model;
[0020] Figure 3 Exploded cross-sectional view of the air filtration mechanism provided by this utility model;
[0021] Figure 4 An exploded cross-sectional view of a portion of the air filtration mechanism provided by this utility model.
[0022] The diagram is labeled as follows: 1. Heating boiler; 2. Waste heat recovery mechanism; 201. Waste heat recovery gas pipe; 202. Valve; 203. Exhaust pipe; 3. Gas filtration mechanism; 301. Gas filter cylinder; 4. Filter assembly; 401. Fixing plate; 402. Activated carbon box; 5. Clamping unit; 501. Adjusting slide; 502. Support slide rod; 503. Slider; 504. First spring; 505. Fixing clamp; 6. Convenient loading and unloading mechanism; 601. Push-pull handle; 7. Buckle assembly; 701. Fixing block; 702. Second spring; 703. Control lever; 704. Fixing slot. Detailed Implementation
[0023] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0024] Please refer to the following: Figures 1 to 4 A waste heat recovery and utilization device in chemical production includes: a heating boiler 1, with waste heat recovery mechanisms 2 for recovering high-temperature waste gas at both ends of the heating boiler 1; and a gas filtration mechanism 3, located at one end of the waste heat recovery mechanism 2, for filtering and purifying toxic and harmful substances in the waste gas.
[0025] The air filtration mechanism 3 includes an air filter cylinder 301 and a filter assembly 4. The waste heat recovery mechanism 2 includes an exhaust pipe 203. The bottom of the air filter cylinder 301 is fixedly connected to one end of the exhaust pipe 203. The side wall of the filter assembly 4 is installed on the side wall of the air filter cylinder 301 through a convenient loading and unloading mechanism 6.
[0026] The filter assembly 4 includes a fixing plate 401 and an activated carbon box 402. The side wall of the fixing plate 401 is installed on the side wall of the filter cartridge 301 through a convenient loading and unloading mechanism 6, and the activated carbon box 402 is installed in the middle of the fixing plate 401 through a clamping unit 5.
[0027] The clamping unit 5 includes several adjusting slides 501, several supporting slides 502, several sliders 503, several first springs 504, and two fixed clamps 505. The several adjusting slides 501 are symmetrically opened at both ends of the fixed plate 401. The two ends of the several supporting slides 502 are respectively fixedly connected to the two ends of the several adjusting slides 501. The two ends of the two fixed clamps 505 are respectively slidably connected to the side walls of the several supporting slides 502 through several sliders 503. The two ends of the several first springs 504 are respectively fixedly connected to one end of the several adjusting slides 501 and one end of the several sliders 503. The activated carbon box 402 is located between the two fixed clamps 505.
[0028] The waste heat recovery mechanism 2 also includes a waste heat recovery gas pipe 201 and a valve 202. One end of the waste heat recovery gas pipe 201 is fixedly connected to the bottom end of the heating boiler 1, the valve 202 is fixedly connected to the side wall of the waste heat recovery gas pipe 201, and the exhaust pipe 203 is fixedly connected to the top end of the heating boiler 1.
[0029] In the specific implementation process, firstly, the sliding block 503 is supported by the supporting slide rod 502, allowing it to slide and open within the adjusting slide grooves 501 opened at both ends of the fixed plate 401. The sliding block 503's opening within the adjusting slide grooves 501 causes the two connected fixed clamping rods 505 to follow suit and open. Then, the activated carbon box 402 is placed between the two fixed clamping rods 505. The first spring 504 provides a reaction force, causing the sliding block 503 to rebound. This rebound causes the fixed clamping rods 505 to follow suit and close. The closing of the fixed clamping rods 505 clamps and secures the activated carbon box 402. Then, the convenient loading and unloading mechanism 6 installs the fixed plate 401 on the side wall of the filter cylinder 301, fixing the activated carbon box 402 inside the filter cylinder 301. At this point, the valve 202 is opened... The waste heat recovery gas pipe 201 can be opened to transport the high-temperature waste gas generated during industrial production to the heating boiler 1. The high-temperature waste gas enters the heating boiler 1 and heats the water inside. (The heating boiler 1 uses existing technology, so its specific working principle will not be elaborated here.) The utilized waste gas is discharged through the exhaust pipe 203 and then enters the filter cartridge 301. At this time, the activated carbon box 402 installed in the filter cartridge 301 can filter, adsorb and purify the toxic and harmful substances in the waste gas. This facilitates the filtration, adsorption and purification of toxic and harmful substances in the utilized waste gas, thereby avoiding the direct discharge of waste gas into the surrounding environment, which could easily cause pollution and harm to the surrounding environment and workers, and effectively improving the environmental protection performance.
[0030] Furthermore, the convenient loading and unloading mechanism 6 includes a push-pull handle 601 and two buckle assemblies 7. The two ends of the push-pull handle 601 are fixedly connected to the middle of the side wall of the fixed plate 401, and the two buckle assemblies 7 are symmetrically installed on the side wall of the fixed plate 401.
[0031] The buckle assembly 7 includes a fixing block 701, a second spring 702, a control rod 703, and a fixing slot 704. One end of the fixing block 701 is elastically connected to the inner side wall of the fixing plate 401 through the second spring 702. One end of the control rod 703 is fixedly connected to the side wall of the fixing block 701 by sliding through the side wall of the fixing plate 401. The fixing slot 704 is opened on the inner side wall of the air filter 301 and fits with the fixing block 701.
[0032] It should be noted that after the activated carbon box 402 is fixed to the middle of the fixing plate 401, the sliding control rod 703 is used to force the fixing block 701 connected to it to slide and retract into the inner side wall of the fixing plate 401. Then, the fixing plate 401 is pushed into the side wall of the filter cylinder 301 by the push-pull handle 601. The second spring 702 provides a reaction force to cause the fixing block 701 to spring back and extend. The spring-backed fixing block 701 is inserted into the fixing slot 704 opened in the side wall of the filter cylinder 301 to form a limiting engagement and fixation, thereby completing the convenient insertion and installation of the activated carbon box 402 fixed in the middle of the fixing plate 401. Similarly, after the activated carbon box 402 has been used for a long time, the fixed block 701 can be retracted and released from the fixed slot 704 by sliding the control lever 703. Then, the fixed plate 401 can be pulled out from the side wall of the filter cylinder 301 by pulling the push-pull handle 601, thus completing the convenient disassembly of the fixed plate 401. Then, the fixed clamp 505 can be opened by sliding the slider 503, so that the fixed activated carbon box 402 can be taken out for replacement. This makes it easy to plug and install and disassemble the activated carbon box 402, which facilitates the maintenance and replacement of the activated carbon box 402 in the future, and facilitates the normal filtration and purification of toxic and harmful substances in the exhaust gas.
[0033] The working principle of the waste heat recovery and utilization device in chemical production provided by this utility model is as follows:
[0034] In use, firstly, the sliding slider 503 is supported by the support slide rod 502, allowing it to slide and open within the adjustment grooves 501 opened at both ends of the fixed plate 401. The sliding of the slider 503 within the adjustment grooves 501 causes the two connected fixed clamping rods 505 to follow suit and open. Then, the activated carbon box 402 is placed between the two fixed clamping rods 505. Next, the first spring 504 provides a reaction force, causing the slider 503 to rebound. This rebound causes the fixed clamping rods 505 to follow suit and close. The closing of the fixed clamping rods 505 clamps and secures the activated carbon box 402. Finally, the sliding control rod 703 is used to... The fixed block 701 connected to it slides and retracts into the inner side wall of the fixed plate 401 under force. Then, by pushing and pulling the handle 601, the fixed plate 401 is pushed into the side wall of the filter cylinder 301. The second spring 702 provides a reaction force, causing the fixed block 701 to spring back and extend. The springback of the fixed block 701 allows it to insert into the fixed slot 704 opened in the side wall of the filter cylinder 301, forming a limiting engagement and fixing. This completes the convenient insertion and installation of the activated carbon box 402 fixed in the middle of the fixed plate 401. Similarly, after the activated carbon box 402 has been used for a long time, the fixed block 701 is retracted and released from the fixed slot 704 by sliding the control rod 703. Then, by pulling the push and pull handle... Hand 601 can pull the fixing plate 401 out from the side wall of the filter cylinder 301, thus completing the convenient disassembly of the fixing plate 401. Then, by sliding the slider 503, the fixing clamp 505 can be slid open, allowing the clamped activated carbon box 402 to be removed for replacement. This effectively facilitates the convenient insertion, installation, and disassembly of the activated carbon box 402, thereby facilitating the later maintenance and replacement of the activated carbon box 402 and ensuring the normal filtration and purification of toxic and harmful substances in the waste gas. After fixing the activated carbon box 402 inside the filter cylinder 301, the waste heat recovery gas pipe 201 can be opened by opening the valve 202. Opening the waste heat recovery gas pipe 201 allows the industrial waste heat recovery gas to be released. The high-temperature waste gas generated during the production process is transported into the heating boiler 1. The high-temperature waste gas enters the heating boiler 1 and heats the water inside. The waste gas is then discharged through the exhaust pipe 203 and enters the filter cartridge 301. At this time, the activated carbon box 402 installed in the filter cartridge 301 filters and adsorbs the toxic and harmful substances in the waste gas, thus effectively filtering and purifying the toxic and harmful substances in the waste gas after use. This avoids the waste gas being directly discharged into the surrounding environment, which could easily cause pollution and harm to the surrounding environment and workers, and effectively improves the environmental protection performance of the product.
[0035] The above are merely embodiments of this utility model and do not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the description and drawings of this utility model, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.
Claims
1. A waste heat recovery and utilization device in chemical production, characterized in that, include: A heating boiler, wherein both ends of the heating boiler are equipped with waste heat recovery mechanisms for recovering high-temperature waste gas; A gas filtration mechanism is located at one end of the waste heat recovery mechanism to filter and purify toxic and harmful substances in the waste gas. The air filtration mechanism includes an air filter cylinder and a filter assembly. The waste heat recovery mechanism includes an exhaust pipe. The bottom of the air filter cylinder is fixedly connected to one end of the exhaust pipe. The side wall of the filter assembly is installed on the side wall of the air filter cylinder through a convenient loading and unloading mechanism.
2. The waste heat recovery and utilization device in chemical production according to claim 1, characterized in that, The filter assembly includes a fixed plate and an activated carbon box. The side wall of the fixed plate is installed on the side wall of the air filter cartridge through a convenient loading and unloading mechanism, and the activated carbon box is installed in the middle of the fixed plate through a clamping unit.
3. The waste heat recovery and utilization device in chemical production according to claim 2, characterized in that, The clamping unit includes several adjusting slides, several supporting slide rods, several sliders, several first springs, and two fixed clamping rods. The several adjusting slides are symmetrically arranged at both ends of the fixed plate. The two ends of the several supporting slide rods are respectively fixedly connected to the two ends of the several adjusting slides. The two ends of the two fixed clamping rods are respectively slidably connected to the side walls of the several supporting slide rods through several sliders. The two ends of the several first springs are respectively fixedly connected to one end of the several adjusting slides and one end of the several sliders. The activated carbon box is located between the two fixed clamping rods.
4. The waste heat recovery and utilization device in chemical production according to claim 2, characterized in that, The convenient loading and unloading mechanism includes a push-pull handle and two buckle assemblies. The two ends of the push-pull handle are fixedly connected to the middle of the side wall of the fixed plate, and the two buckle assemblies are symmetrically installed on the side wall of the fixed plate.
5. The waste heat recovery and utilization device in chemical production according to claim 4, characterized in that, The buckle assembly includes a fixing block, a second spring, a control rod, and a fixing slot. One end of the fixing block is elastically connected to the inner side wall of the fixing plate via the second spring. One end of the control rod is fixedly connected to the side wall of the fixing block by sliding through the side wall of the fixing plate. The fixing slot is opened on the inner side wall of the air filter and fits into the fixing block.
6. The waste heat recovery and utilization device in chemical production according to claim 1, characterized in that, The waste heat recovery mechanism also includes a waste heat recovery gas pipe and a valve. One end of the waste heat recovery gas pipe is fixedly connected to the bottom of the heating boiler, the valve is fixedly connected to the side wall of the waste heat recovery gas pipe, and the exhaust pipe is fixedly connected to the top of the heating boiler.