Steam tail gas recovery device for paperboard production

Abstract

The utility model discloses a steam tail gas recovery device for paperboard production, which belongs to the technical field of tail gas treatment for paperboard production, and adopts the technical scheme that the steam tail gas recovery device comprises a fixed frame, a heat energy recovery box is arranged at the top of the fixed frame, a circulation mechanism is arranged on the inner wall of the heat energy recovery box, and a recovery pump is arranged on the left side of the heat energy recovery box; the problems that most of existing steam tail gas recovery devices for paperboard production are inconvenient to carry out heat energy recovery work, steam tail gas is usually cooled, purified and recovered, the steam tail gas contains more heat, and the heat energy is wasted are solved. The problems that resources are consumed and heat energy is wasted due to the fact that high-temperature steam tail gas is directly cooled in the prior art, and the use effect is affected due to the fact that high temperature or large peculiar smell occurs easily when the steam tail gas is exhausted because most of steam tail gas exhaust equipment is not provided with a spraying circulation treatment structure are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of tail gas treatment in paperboard production, in particular to a steam tail gas recovery device in paperboard production. Background Art

[0002] Cardboard is a material made of cellulose, wood, grass and other renewable materials. It is mainly used in packaging, construction and other related fields. Common types of cardboard include: single-layer, double-layer, three-layer, five-layer and seven-layer cardboard. With the improvement of environmental awareness, people's demand for green and renewable materials is growing. It is believed that in the future development, cardboard materials, as a green and renewable material, will be more widely used and promoted, and become a future development trend. At the same time, with the continuous innovation of science and technology, the production process of cardboard will be more efficient, environmentally friendly and hygienic, making it an indispensable part of modern industry.

[0003] At present, a Chinese patent with announcement number CN219518207U discloses a steam exhaust gas recovery device for cardboard production, including a processing box, a recovery mechanism is fixedly arranged above the processing box, a purification mechanism is fixedly arranged above the recovery mechanism, and a through opening is fixedly opened on the front of the processing box; the recovery mechanism includes a recovery part and a processing part, and the upper surface of the recovery part is fixedly connected to the bottom surface of the processing part; the recovery part includes a device box, and the bottom surface of the device box is fixedly connected to the top surface of the processing box; the purification mechanism includes a purification part and a power part. The steam exhaust gas recovery device for cardboard production is provided with a liquid storage tank and a baffle to cooperate with each other, so that the distilled water containing toxins stored in the liquid storage tank can be added with disinfectants to purify and disinfect it, so that the toxins inside it are removed, and the remaining distilled water can be used in other ways to carry out water circulation and maintain the quality of the ecological environment.

[0004] However, most of the existing steam exhaust gas recovery devices for paperboard production are not convenient for heat recovery. Usually, the steam exhaust gas is cooled, purified and recovered. Since the steam exhaust gas contains more heat, directly cooling the high-temperature steam exhaust gas is more resource-consuming and will cause a waste of heat energy. In addition, most steam exhaust gas emission equipment is not equipped with a spray circulation treatment structure, which easily leads to high temperature or strong odor when the steam exhaust gas is discharged, which is inconvenient for users to use. Utility Model Content

[0005] The utility model provides a steam exhaust gas recovery device for paperboard production, aiming to solve the problem that most of the existing steam exhaust gas recovery devices for paperboard production are not convenient for heat energy recovery, and usually the steam exhaust gas is cooled and purified for recovery. Since the steam exhaust gas contains more heat, directly cooling the high-temperature steam exhaust gas is more resource-consuming and will cause a waste of heat energy. In addition, most steam exhaust gas emission equipment is not provided with a spray circulation treatment structure, which easily leads to high temperature or strong odor when the steam exhaust gas is discharged, thereby affecting the use effect.

[0006] The utility model is implemented as follows: a steam tail gas recovery device for paperboard production comprises a fixed frame, a heat recovery box is arranged on the top of the fixed frame, a circulation mechanism is arranged on the inner wall of the heat recovery box, a recovery pump is arranged on the left side of the heat recovery box, an activated carbon treatment box is arranged on the right side of the heat recovery box, the right side of the circulation mechanism is fixedly connected with the left side of the activated carbon treatment box, a moisture blocking box is bolted to the right side of the activated carbon treatment box, and a spray box is arranged on the right side of the moisture blocking box;

[0007] The circulation mechanism includes an outlet pipe, a spiral tube and an inlet pipe. The left side of the inlet pipe is fixedly connected to the right side of the recovery pump, the right side of the inlet pipe is fixedly connected to the left side of the spiral tube, the right side of the spiral tube is fixedly connected to the left side of the outlet pipe, and the right side of the outlet pipe is fixedly connected to the left side of the activated carbon treatment box.

[0008] In order to achieve the effect of installing the air intake pipe to the inner wall of the heat energy recovery box, as a preferred steam exhaust gas recovery device for cardboard production of the utility model, the surface of the air intake pipe is fixedly connected to the inner wall of the heat energy recovery box, and the surface of the air outlet pipe is fixedly connected to the inner wall of the heat energy recovery box.

[0009] In order to achieve the effect of fixed connection between the water inlet pipe and the heat energy recovery box, as a preferred steam exhaust gas recovery device for cardboard production of the utility model, the left side of the heat energy recovery box is fixedly connected with a water inlet pipe, and the bottom of the heat energy recovery box is fixedly connected with a water outlet pipe.

[0010] In order to achieve the effect of fixed connection between the induced draft fan and the connecting pipe, as a preferred steam exhaust gas recovery device for cardboard production of the utility model, an induced draft fan is arranged on the right side of the moisture barrier box, a connecting pipe is fixedly connected on the left side of the induced draft fan, and the left side of the connecting pipe is fixedly connected to the right side of the moisture barrier box.

[0011] In order to achieve the effect of gas transmission by the transmission component, as a preferred steam exhaust gas recovery device for cardboard production of the utility model, the top of the induced draft fan is fixedly connected to the transmission component, and the right side of the transmission component is fixedly connected to the left side of the spray box.

[0012] In order to achieve the effect of fixing the position of the connecting pipe, as a preferred steam exhaust gas recovery device for cardboard production of the utility model, a water tank is placed at the bottom of the fixed frame, the top of the water tank is fixedly connected with a connecting pipe, and the top of the connecting pipe is fixedly connected to the bottom of the spray box.

[0013] In order to achieve the effect of fixing the position of the fixed component, as a preferred steam exhaust gas recovery device for cardboard production of the utility model, the top of the fixed frame is bolted with a fixed component, and the top of the fixed component is bolted with a water pump.

[0014] In order to achieve the effect of fixing the position of the installation pipe, as a preferred steam exhaust gas recovery device for cardboard production of the utility model, the top of the water pump is fixedly connected with a installation pipe, and the left side of the installation pipe is fixedly connected with the right side of the spray box.

[0015] In order to achieve the effect of fixed connection between the water pipe and the water pump, as a preferred steam exhaust gas recovery device for cardboard production of the utility model, the bottom of the water pump is fixedly connected with a water pipe, and the left side of the water pipe is fixedly connected with the right side of the water tank.

[0016] In order to achieve the effect of fixing the position of the discharge pipe, as a preferred embodiment of the steam tail gas recovery device for paperboard production of the utility model, the right side of the spray box is fixedly connected with a discharge pipe.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] The steam exhaust gas recovery device for paperboard production is provided with a fixing frame, a heat recovery box, a circulation mechanism, a recovery pump, an activated carbon treatment box, a moisture barrier box and a spray box. When in use, the positions of the air inlet pipe and the spiral tube are fixed, and the positions of the spiral tube and the air outlet pipe are fixed, so that the exhaust gas is subsequently transmitted to the inner wall of the spiral tube through the air inlet pipe by the recovery pump. Then the staff transports water to the inner wall of the heat recovery box, so that the exhaust gas heats the water through the heat of the spiral tube, and the exhaust heat is cooled and recovered. The heat recovery effect is good. Then the exhaust gas is transmitted to the inner wall of the activated carbon treatment box through the air outlet pipe, so that the exhaust gas is filtered and treated. After the filtering treatment, the exhaust gas enters the inner wall of the moisture barrier box, so that the moisture in the exhaust gas is blocked to prevent the wet exhaust gas from being discharged to the outside. The dried exhaust gas enters the inner wall of the spray box, and the spraying of the spray box facilitates the deodorization and cooling work, which is convenient for users to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is the overall structural diagram of the steam tail gas recovery device for paperboard production of the utility model;

[0020] Figure 2It is a front view of the heat recovery box in the utility model;

[0021] Figure 3 It is a structural diagram of the recovery pump in the utility model;

[0022] Figure 4 It is a structural diagram of the circulation mechanism in the utility model;

[0023] Figure 5 This is a structural diagram of the activated carbon treatment box in the utility model;

[0024] Figure 6 It is the structural diagram of the spray box in the utility model.

[0025] In the figure, 1. fixing frame; 2. circulation mechanism; 201. air outlet pipe; 202. spiral pipe; 203. air inlet pipe; 3. heat recovery box; 4. recovery pump; 5. activated carbon treatment box; 6. moisture barrier box; 7. spray box; 8. water inlet pipe; 9. water outlet pipe; 10. induced draft fan; 11. connecting pipe; 12. transmission component; 13. water tank; 14. connecting pipe; 15. fixing component; 16. water pump; 17. installation pipe; 18. water pipe; 19. discharge pipe. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0027] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, in the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0028] See also Figure 1-6The utility model provides a technical solution: a steam tail gas recovery device for paperboard production, comprising a fixed frame 1, a heat recovery box 3 is arranged on the top of the fixed frame 1, a circulation mechanism 2 is arranged on the inner wall of the heat recovery box 3, a recovery pump 4 is arranged on the left side of the heat recovery box 3, an activated carbon treatment box 5 is arranged on the right side of the heat recovery box 3, the right side of the circulation mechanism 2 is fixedly connected with the left side of the activated carbon treatment box 5, a moisture blocking box 6 is bolted to the right side of the activated carbon treatment box 5, and a spray box 7 is arranged on the right side of the moisture blocking box 6;

[0029] The circulation mechanism 2 includes an outlet pipe 201, a spiral tube 202 and an inlet pipe 203. The left side of the inlet pipe 203 is fixedly connected to the right side of the recovery pump 4, the right side of the inlet pipe 203 is fixedly connected to the left side of the spiral tube 202, the right side of the spiral tube 202 is fixedly connected to the left side of the outlet pipe 201, and the right side of the outlet pipe 201 is fixedly connected to the left side of the activated carbon treatment box 5.

[0030] In this embodiment, by setting a fixing frame 1, a heat recovery box 3, a circulation mechanism 2, a recovery pump 4, an activated carbon treatment box 5, a moisture blocking box 6 and a spray box 7, the positions of the air inlet pipe 203 and the spiral tube 202 are fixed during use, and the positions of the spiral tube 202 and the air outlet pipe 201 are fixed, so that the exhaust gas is subsequently transmitted to the inner wall of the spiral tube 202 through the air inlet pipe 203 by the recovery pump 4, and then the staff transports water to the inner wall of the heat recovery box 3, so that the exhaust gas passes through the heat of the spiral tube 202 to the water inlet. The heating work is carried out to facilitate the cooling and recovery of the exhaust gas heat, and the heat energy recovery effect is good. Then the exhaust gas will be transmitted to the inner wall of the activated carbon treatment box 5 through the exhaust pipe 201, which is convenient for filtering the exhaust gas. After the filtering treatment, the exhaust gas will enter the inner wall of the moisture barrier box 6, which is convenient for blocking the moisture in the exhaust gas and preventing the wet exhaust gas from being discharged to the outside. The dried exhaust gas will enter the inner wall of the spray box 7, and the spraying of the spray box 7 is convenient for deodorization and cooling, which is convenient for users to use.

[0031] As a technical optimization solution of the utility model, the surface of the air inlet pipe 203 is fixedly connected to the inner wall of the heat recovery box 3 , and the surface of the air outlet pipe 201 is fixedly connected to the inner wall of the heat recovery box 3 .

[0032] In this embodiment: the position of the air inlet pipe 203 and the heat recovery box 3 are fixed to facilitate stable installation of the air inlet pipe 203, and the position of the air outlet pipe 201 and the heat recovery box 3 are fixed to facilitate limiting the position of the air outlet pipe 201.

[0033] As a technical optimization solution of the utility model, the left side of the heat recovery box 3 is fixedly connected with a water inlet pipe 8, and the bottom of the heat recovery box 3 is fixedly connected with a water outlet pipe 9.

[0034] In this embodiment: by setting a water inlet pipe 8, the position of the water inlet pipe 8 and the heat recovery box 3 are fixed when in use, so that water can be subsequently transferred through the water inlet pipe 8 to the inner wall of the heat recovery box 3; by setting a water outlet pipe 9, the water outlet pipe 9 is fixed to the bottom of the heat recovery box 3 when in use, so that water can be discharged through the water outlet pipe 9.

[0035] As a technical optimization solution of the utility model, an induced draft fan 10 is arranged on the right side of the moisture barrier box 6, and a connecting pipe 11 is fixedly connected to the left side of the induced draft fan 10, and the left side of the connecting pipe 11 is fixedly connected to the right side of the moisture barrier box 6.

[0036] In this embodiment, the induced draft fan 10 and the connecting pipe 11 are provided, and the connecting pipe 11 and the induced draft fan 10 are fixed in position during use, so that the induced draft fan 10 can extract the exhaust gas from the inner wall of the moisture barrier box 6, which is convenient for users to use.

[0037] As a technical optimization solution of the present invention, the top of the induced draft fan 10 is fixedly connected to a transmission component 12 , and the right side of the transmission component 12 is fixedly connected to the left side of the spray box 7 .

[0038] In this embodiment: by setting up a transmission component 12, when in use, the position of the transmission component 12 and the induced draft fan 10 are fixed, and the position of the transmission component 12 and the spray box 7 are fixed, so as to facilitate the subsequent transmission of the exhaust gas to the inner wall of the spray box 7 through the transmission component 12.

[0039] As a technical optimization solution of the utility model, a water tank 13 is placed at the bottom of the fixed frame 1 , and a connecting pipe 14 is fixedly connected to the top of the water tank 13 , and the top of the connecting pipe 14 is fixedly connected to the bottom of the spray box 7 .

[0040] In this embodiment: by setting up the water tank 13 and the connecting pipe 14, the position of the connecting pipe 14 and the water tank 13 is fixed during use, so that the spray box 7 can transfer water to the inner wall of the water tank 13 through the connecting pipe 14, thereby facilitating the work of water collection.

[0041] As a technical optimization solution of the present invention, a fixing assembly 15 is bolted to the top of the fixing frame 1 , and a water pump 16 is bolted to the top of the fixing assembly 15 .

[0042] In this embodiment, by providing a fixing assembly 15 and a water pump 16 , the fixing assembly 15 and the water pump 16 are fixed in position during use, so as to facilitate the subsequent work of water transmission through the water pump 16 .

[0043] As a technical optimization solution of the utility model, the top of the water pump 16 is fixedly connected with a mounting pipe 17 , and the left side of the mounting pipe 17 is fixedly connected with the right side of the spray box 7 .

[0044] In this embodiment, by setting the mounting pipe 17, the position of the mounting pipe 17 and the water pump 16 are fixed during use, and the position of the mounting pipe 17 and the spray box 7 are fixed, so that water can be transmitted to the inner wall of the spray box 7 through the mounting pipe 17.

[0045] As a technical optimization solution of the utility model, the bottom of the water pump 16 is fixedly connected with a water pipe 18 , and the left side of the water pipe 18 is fixedly connected with the right side of the water tank 13 .

[0046] In this embodiment, a water pipe 18 is provided, and the positions of the water pipe 18 and the water pump 16 are fixed during use, so that the water pump 16 can transfer water to the inner wall of the water tank 13 through the water pipe 18, which is convenient for users to use.

[0047] As a technical optimization solution of the present invention, a discharge pipe 19 is fixedly connected to the right side of the spray box 7 .

[0048] In this embodiment, a discharge pipe 19 is provided, which is fixedly connected to the spray box 7 through the discharge pipe 19 during use, so as to facilitate the subsequent gas discharge work through the discharge pipe 19.

[0049] Working principle: First, when in use, the positions of the air inlet pipe 203 and the spiral tube 202 are fixed, and the positions of the spiral tube 202 and the air outlet pipe 201 are fixed, so that the exhaust gas can be subsequently transferred to the inner wall of the spiral tube 202 through the recovery pump 4 through the air inlet pipe 203. Then the staff will transport water to the inner wall of the heat recovery box 3, so that the exhaust gas can heat the water through the heat of the spiral tube 202, and the exhaust gas heat can be cooled and recovered. The heat recovery effect is better, and then the exhaust gas will be discharged through the outlet pipe 201. The tube 201 is transmitted to the inner wall of the activated carbon treatment box 5, so as to facilitate the filtering treatment of the exhaust gas. The exhaust gas after the filtering treatment will enter the inner wall of the moisture barrier box 6, so as to facilitate the blocking of moisture in the exhaust gas and prevent the wet exhaust gas from being discharged to the outside. The dried exhaust gas will enter the inner wall of the spray box 7, and the spraying of the spray box 7 will facilitate the deodorization and cooling work, which is convenient for users to use. It is fixedly connected with the spray box 7 through the discharge pipe 19, so as to facilitate the subsequent gas discharge work through the discharge pipe 19.

[0050] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A steam tail gas recovery device for paperboard production, comprising a fixing frame (1), characterized in that: A heat recovery box (3) is arranged on the top of the fixed frame (1), a circulation mechanism (2) is arranged on the inner wall of the heat recovery box (3), a recovery pump (4) is arranged on the left side of the heat recovery box (3), an activated carbon treatment box (5) is arranged on the right side of the heat recovery box (3), the right side of the circulation mechanism (2) is fixedly connected to the left side of the activated carbon treatment box (5), a moisture blocking box (6) is bolted to the right side of the activated carbon treatment box (5), and a spray box (7) is arranged on the right side of the moisture blocking box (6); The circulation mechanism (2) comprises an air outlet pipe (201), a spiral tube (202) and an air inlet pipe (203); the left side of the air inlet pipe (203) is fixedly connected to the right side of the recovery pump (4); the right side of the air inlet pipe (203) is fixedly connected to the left side of the spiral tube (202); the right side of the spiral tube (202) is fixedly connected to the left side of the air outlet pipe (201); and the right side of the air outlet pipe (201) is fixedly connected to the left side of the activated carbon treatment box (5).

2. The steam tail gas recovery device for paperboard production according to claim 1, characterized in that: The surface of the air inlet pipe (203) is fixedly connected to the inner wall of the heat recovery box (3), and the surface of the air outlet pipe (201) is fixedly connected to the inner wall of the heat recovery box (3).

3. The steam tail gas recovery device for paperboard production according to claim 1, characterized in that: The left side of the heat recovery box (3) is fixedly connected to a water inlet pipe (8), and the bottom of the heat recovery box (3) is fixedly connected to a water outlet pipe (9).

4. The steam tail gas recovery device for paperboard production according to claim 1, characterized in that: An induced draft fan (10) is arranged on the right side of the moisture blocking box (6), a connecting pipe (11) is fixedly connected to the left side of the induced draft fan (10), and the left side of the connecting pipe (11) is fixedly connected to the right side of the moisture blocking box (6).

5. The steam tail gas recovery device for paperboard production according to claim 4, characterized in that: The top of the induced draft fan (10) is fixedly connected to a transmission component (12), and the right side of the transmission component (12) is fixedly connected to the left side of the spray box (7).

6. The steam tail gas recovery device for paperboard production according to claim 1, characterized in that: A water tank (13) is placed at the bottom of the fixed frame (1), and a connecting pipe (14) is fixedly connected to the top of the water tank (13), and the top of the connecting pipe (14) is fixedly connected to the bottom of the spray box (7).

7. The steam tail gas recovery device for paperboard production according to claim 1, characterized in that: A fixing component (15) is bolted to the top of the fixing frame (1), and a water pump (16) is bolted to the top of the fixing component (15).

8. The steam tail gas recovery device for paperboard production according to claim 7, characterized in that: The top of the water pump (16) is fixedly connected to a mounting pipe (17), and the left side of the mounting pipe (17) is fixedly connected to the right side of the spray box (7).

9. The steam tail gas recovery device for paperboard production according to claim 7, characterized in that: The bottom of the water pump (16) is fixedly connected to a water delivery pipe (18), and the left side of the water delivery pipe (18) is fixedly connected to the right side of the water tank (13).

10. The steam tail gas recovery device for paperboard production according to claim 1, characterized in that: The right side of the spray box (7) is fixedly connected to a discharge pipe (19).

Images