Gypsum drying waste gas treatment equipment

By designing a gypsum drying waste gas treatment device, and utilizing cooling and adsorption sections to treat the waste gas, the pollution and heat waste caused by direct emission of waste gas were solved, achieving environmentally friendly treatment of waste gas and heat recovery, and improving energy utilization.

CN223788278UActive Publication Date: 2026-01-13CHONGQING HEBANG ENVIRONMENTAL PROTECTION TECH CO LTD
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Patent Information

Application Number
CN202422648355.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-31
Publication Date
2026-01-13
Estimated Expiration
2034-10-31

AI Technical Summary

Technical Problem

The direct emission of waste gas generated during the gypsum drying process leads to air pollution and heat waste, affecting the thermal balance.

Method used

Design a gypsum drying waste gas treatment device, including a cooling section, an adsorption section and a power section. A fan provides negative pressure power. The waste gas first enters the cooling section to recover heat, and then enters the adsorption section for adsorption treatment to reduce the temperature and remove harmful substances.

Benefits of technology

It achieves environmentally friendly treatment of waste gas and heat recovery, improves energy utilization, protects the environment and reduces heat waste.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses gypsum drying waste gas treatment equipment, relates to the field of waste gas treatment equipment, and adopts the technical scheme that the gypsum drying waste gas treatment equipment comprises a main pipeline; the main pipeline comprises a cooling section, an adsorption section and a power section which are communicated in sequence; the cooling section comprises a plurality of curved branch pipes, the two ends of each curved branch pipe are fixed to the two ends of the cooling section in parallel, the cooling section is arranged in the cooling box in a penetrating mode, and the two ends of the cooling section are located on the side wall of the cooling box. The adsorption section comprises an adsorption barrel, and an adsorption material is arranged in the adsorption barrel; and the power section is provided with a fan. By reducing the temperature of the waste gas and adsorbing the waste gas at the same time, the environment is protected, heat can be recycled, and the energy utilization rate is increased.
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Description

Technical Field

[0001] This utility model relates to a gypsum drying waste gas treatment device, mainly in the field of waste gas treatment equipment. Background Technology

[0002] After plaster products are formed, they need to be dried. During the drying process, the air is heated. The traditional way to deal with this hot air after drying is to directly discharge it into the atmosphere. This operation will first cause some air pollution because the hot air contains some harmful substances. Secondly, the hot air carries a lot of heat, which not only causes waste but also affects the thermal balance of its surroundings. Utility Model Content

[0003] In view of the shortcomings of the existing technology, this utility model proposes a gypsum drying waste gas treatment device, which protects the environment by simultaneously reducing the temperature of the waste gas and adsorbing it, and can also recover heat to improve energy utilization.

[0004] To achieve the above objectives, the technical solution of this utility model is: including a main pipeline;

[0005] The main pipeline includes a cooling section, an adsorption section, and a power section connected in sequence;

[0006] The cooling section includes several curved branch pipes, with the two ends of each curved branch pipe fixed side by side to the two ends of the cooling section. The cooling section passes through the cooling box, and the two ends of the cooling section are located on the side wall of the cooling box.

[0007] The adsorption section includes an adsorption cylinder containing adsorption material; the power section includes a fan.

[0008] The technical principle and beneficial effects of this utility model are as follows:

[0009] In this scheme, the fan in the power section is used to provide negative pressure power for air flow. The exhaust gas first enters the cooling section, where the heat of the exhaust gas can be recovered. The cooling box is filled with cooling water. When the high-temperature air passes through, most of the heat can be left in the cooling water. After absorbing the heat, the cooling water is heated up and can be used for other purposes. Then, the cooled exhaust gas is adsorbed and treated by the adsorption section to prevent harmful substances from being released into the air.

[0010] This solution protects the environment by simultaneously reducing the temperature of the exhaust gas and treating it through adsorption, and it can also recover heat and improve energy utilization.

[0011] Preferably, a fixing plate is provided at each end of the cooling section, and a pipe head is provided on each fixing plate corresponding to one of the curved branch pipes. The inner end of each pipe head is connected to the curved branch pipe. This facilitates the arrangement of the curved branch pipes.

[0012] Preferably, the adsorption cylinder has an air inlet and an air outlet at both ends, with the air inlet connected to the cooling section and the air outlet connected to the power section. This facilitates the adsorption of harmful substances in the waste gas.

[0013] Preferably, the adsorbent material is disposed within a floating frame, which slides axially relative to the adsorption cylinder. An elastic element is disposed within the adsorption cylinder, pushing the adsorption cylinder towards the air inlet. A pressure relief groove is axially disposed on the side wall of the adsorption cylinder. The pressure relief groove is located on the side wall of the adsorption cylinder. Normally, the elastic element pushes the floating frame, closing the connection between the pressure relief groove and the air inlet. If the adsorbent material within the floating frame becomes saturated, airflow deteriorates, and air cannot circulate normally. At this time, the negative pressure generated by the fan will cause the floating frame to slide, overcoming the elastic element's sliding towards the air outlet, thereby connecting the pressure relief groove and the air inlet. Exhaust gas can be temporarily discharged from the pressure relief groove, preventing excessive accumulation of exhaust gas within the equipment. After the adsorbent material is replaced or repaired, the floating frame can be pushed back towards the air inlet.

[0014] Preferably, the elastic element is a spring. This allows for a longer stroke of elastic force.

[0015] Preferably, the adsorption cylinder has inwardly extending limiting platforms at both ends, and the outer ends of the spring and the floating frame respectively abut against the limiting platforms. This prevents the floating frame from sliding against the adsorption cylinder.

[0016] Preferably, a sealing section is provided between the pressure relief groove and the air inlet to ensure that the air outlet and the pressure relief groove are not connected when the floating frame is close to the air inlet.

[0017] Preferably, the curved branch pipe is made of copper. This allows for faster heat conduction and improves heat recovery efficiency. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only one of the drawings of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of an embodiment of the present utility model.

[0020] The components include: cooling section 1, adsorption section 2, power section 3, curved branch pipe 4, cooling box 5, adsorption cylinder 6, floating frame 7, adsorption material 8, spring 9, fixed plate 10, pipe head 11, and fan 12. Detailed Implementation

[0021] The technical solutions of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are merely preferred embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0022] Example

[0023] like Figure 1 As shown, this embodiment of the utility model includes a main pipeline; the main pipeline includes a cooling section 1, an adsorption section 2, and a power section 3 connected in sequence; the cooling section 1 includes several curved branch pipes 4, with the two ends of each curved branch pipe 4 fixed side by side to the two ends of the cooling section 1, the cooling section 1 passing through a cooling box 5, and the two ends of the cooling section 1 located on the side wall of the cooling box 5; the adsorption section 2 includes an adsorption cylinder 6, and an adsorption material 8 is disposed inside the adsorption cylinder 6; the power section 3 is provided with a fan 12. Figure 1 To facilitate the representation of its structure, only one branch pipe 4 of the curved shape is drawn.

[0024] The technical principle and beneficial effects of this utility model are as follows:

[0025] In this scheme, the fan 12 in the power section 3 is used to provide negative pressure power for air flow. The exhaust gas first enters the cooling section 1, where the heat of the exhaust gas can be recovered. The cooling box 5 is filled with cooling water. When the high temperature air passes through, most of the heat can be left in the cooling water. After absorbing the heat, the cooling water is heated up and can be used for other purposes. Then, the cooled exhaust gas is adsorbed and treated by the adsorption section 2 to prevent harmful substances from being discharged into the air.

[0026] This solution protects the environment by simultaneously reducing the temperature of the exhaust gas and treating it through adsorption, and it can also recover heat and improve energy utilization.

[0027] A fixing plate 10 is provided at both ends of the cooling section 1. The fixing plate 10 and the curved branch pipe 4 are respectively provided with pipe heads 11. The inner end of each pipe head 11 is connected to the curved branch pipe 4. This facilitates the arrangement of the curved branch pipe 4.

[0028] The adsorption cylinder 6 has an air inlet and an air outlet at both ends. The air inlet is connected to the cooling section 1, and the air outlet is connected to the power section 3. This facilitates the adsorption of harmful substances in the waste gas.

[0029] The adsorbent material 8 is housed within a floating frame 7, which is a cylindrical structure made of wire mesh with rigid edges. The floating frame 7 slides axially relative to the adsorption cylinder 6. An elastic element is installed inside the adsorption cylinder 6, pushing it towards the air inlet. A pressure relief groove is axially located on the side wall of the adsorption cylinder 6. Normally, the elastic element pushes the floating frame 7, closing the connection between the pressure relief groove and the air inlet. If the adsorbent material 8 within the floating frame 7 becomes saturated, airflow deteriorates, and air cannot circulate properly. In this case, the negative pressure generated by the fan 12 will cause the floating frame 7 to slide, overcoming the elastic element and sliding towards the air outlet, thus connecting the pressure relief groove and the air inlet. Exhaust gas can be temporarily discharged from the pressure relief groove, preventing excessive accumulation of exhaust gas within the equipment. After the adsorbent material 8 is replaced or repaired, the floating frame 7 can be pushed back towards the air inlet.

[0030] The elastic element is a spring 9. It can provide elastic force for a longer stroke.

[0031] The adsorption cylinder 6 has inwardly extending limiting platforms at both ends, and the outer ends of the spring 9 and the floating frame 7 respectively abut against the limiting platforms. This prevents the floating frame 7 from sliding against the adsorption cylinder 6.

[0032] A sealing section is provided between the pressure relief groove and the air inlet to ensure that the air outlet and the pressure relief groove are not connected when the floating frame 7 is close to the air inlet.

[0033] The curved branch pipe 4 is made of copper. It conducts heat faster and improves heat recovery efficiency.

[0034] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A gypsum drying off-gas treatment apparatus, characterized by, The utility model provides a kind of cooling and adsorption pipeline, including main pipe; The main pipe includes cooling section (1), adsorption section (2) and power section (3) communicated in turn; The cooling section (1) includes several curved branch pipes (4), both ends of each curved branch pipe (4) are fixed side by side at both ends of the cooling section (1), the cooling section (1) is provided in the cooling box (5), and both ends of the cooling section (1) are located in the side wall of the cooling box (5); The adsorption section (2) includes an adsorption cylinder (6), and the adsorption cylinder (6) is provided with an adsorption material (8) therein; The power section (3) is provided with a fan (12).

2. A gypsum drying exhaust gas treatment apparatus according to claim 1, characterized by: Both ends of the cooling section (1) are respectively provided with a fixed plate (10), the fixed plate (10) is provided with a pipe head (11) corresponding to the curved branch pipe (4), and the inner end of each pipe head (11) is respectively connected with the curved branch pipe (4).

3. A gypsum drying exhaust gas treatment apparatus according to claim 1, characterized by: Both ends of the adsorption cylinder (6) are respectively provided with an air inlet and an air outlet, the air inlet is communicated with the cooling section (1), and the air outlet is communicated with the power section (3).

4. A gypsum drying exhaust gas treatment apparatus according to claim 1, characterized by: The adsorption material (8) is provided with a floating frame (7), the floating frame (7) is axially slidingly fitted relative to the adsorption cylinder (6), the adsorption cylinder (6) is provided with an elastic member, the elastic member pushes the adsorption cylinder (6) towards the air inlet, and the side wall of the adsorption cylinder (6) is axially provided with a pressure relief groove.

5. A gypsum drying off-gas treatment apparatus according to claim 4, characterized in that: The elastic member is a spring (9).

6. A gypsum drying exhaust gas treatment apparatus according to claim 5, characterized in that: Both ends of the adsorption cylinder (6) are inwardly provided with a limiting table, and the outer end of the spring (9) and the floating frame (7) respectively abuts against the limiting table.

7. A gypsum drying exhaust gas treatment apparatus according to claim 4, characterized by: A sealing section is left between the pressure relief groove and the air inlet.

8. A gypsum drying exhaust gas treatment apparatus according to claim 1, characterized by: The curved branch pipe (4) is made of copper pipe.