Energy-saving heat cycle heating box for pulp and paper making

Abstract

The utility model relates to the technical field of pulping, and disclose a kind of for pulping papermaking energy-saving type heat energy circulation heating box, including box, the box inside is provided with uniform heating mechanism, the box one side is provided with sealing mechanism, the box upper is provided with air intake mechanism.The for pulping papermaking energy-saving type heat energy circulation heating box by being provided with uniform heating mechanism, can install filter screen, and then the effect of the uniform heating of the pulp on the surface of filter screen, avoid the process of heating work to pulping papermaking, because pulp is thin, therefore when heating paper pulp raw material, it is easy to cause the uneven heating phenomenon of pulp, and then it can lead to uneven drying of the pulp after heating, cause the toughness of pulp to be poor, lead to the increase of pulp waste, in turn, the practicability of heat energy circulation heating box is greatly discounted.

Description

Technical Field

[0001] This utility model relates to the field of pulping technology, specifically to an energy-saving thermal energy circulation heating box for pulping and papermaking. Background Technology

[0002] Pulping is the process of separating plant fiber raw materials into pulp through mechanical, chemical, or chemimechanical methods. The main products include mechanical pulp, chemical pulp, and chemimechanical pulp. Mechanical methods break down fibers through purely physical processes, chemical methods use cooking processes to decompose lignin, and chemimechanical methods combine chemical pretreatment with mechanical treatment. In recent years, biopulping technology has utilized biodegradation combined with mechanical processes to achieve zero emissions and high resource efficiency.

[0003] A search revealed an existing patent (publication number: CN216557696U) disclosing an air circulation heating box. It includes a box body, a circulating fan, and a heat exchanger. The inner cavity of the box body forms a heating chamber for placing the object to be heated. An air duct is formed inside the box body wall, including an air inlet and an air outlet, both of which communicate with the heating chamber. The heat exchanger is disposed within the air duct to heat the air flowing through it. The circulating fan is mounted on the box body. When the circulating fan is operating, the air in the heating chamber and the air duct circulates between them through the air inlet and the air outlet. This invention provides uniform heating and high heating efficiency, significantly reducing energy consumption compared to other similar products.

[0004] However, in the process of heating the pulp and paper in the existing energy-saving thermal circulation heating box, the pulp is relatively thin. Therefore, the heating of the pulp raw material is prone to uneven heating, which leads to uneven drying of the heated pulp, resulting in poor pulp toughness, increased pulp waste, and thus greatly reducing the practicality of the thermal circulation heating box.

[0005] Therefore, an energy-saving thermal energy circulation heating box for pulp and paper making is proposed to address the above problems. Utility Model Content

[0006] (a) Technical problems to be solved

[0007] To address the shortcomings of existing technologies, this utility model provides an energy-saving thermal circulation heating box for pulp and paper making. This solves the problem mentioned in the background art: during the heating process of existing energy-saving thermal circulation heating boxes for pulp and paper making, the pulp is relatively thin, which easily leads to uneven heating of the pulp raw materials. This results in uneven drying of the heated pulp, decreased pulp toughness, increased pulp waste, and ultimately, significantly reduced practicality of the thermal circulation heating box.

[0008] (II) Technical Solution

[0009] To achieve the above objectives, this utility model provides the following technical solution: an energy-saving thermal energy circulation heating box for pulping and papermaking, comprising a box body, a uniform heating mechanism provided inside the box body, a sealing mechanism provided on one side of the box body, and an air inlet mechanism provided above the box body;

[0010] The uniform heating mechanism includes a support plate disposed inside the housing. A spring a is disposed above the support plate, a connecting rod is disposed above the spring a, and a fixing plate is disposed above the connecting rod. A movable groove is formed on the inner side of the support plate, a movable rod is disposed on the inner side of the movable groove, and a filter screen is disposed on one side of the movable rod.

[0011] As a preferred embodiment, a rotating shaft a is provided on one side of the support plate, and a bearing is sleeved on the outside of the rotating shaft a.

[0012] As a preferred embodiment, a motor is provided on one side of the rotating shaft a, a gear a is sleeved on the outside of the rotating shaft a, and a belt is provided on one side of the gear a.

[0013] As a preferred embodiment, a gear b is fitted inside the belt, and a rotating shaft b is fitted inside the gear b.

[0014] As a preferred embodiment, the sealing mechanism includes a hinge, which is disposed on one side of the housing. A protective door is provided on one side of the hinge, and a limiting groove a is formed on the surface of the protective door.

[0015] As a preferred embodiment, a limiting rod a is provided inside the limiting groove a, a spring b is provided on one side of the limiting rod a, the spring b is provided on the surface of the box, a sealing ring is provided inside the protective door, and a fixing bolt is provided on the surface of the sealing ring.

[0016] As a preferred embodiment, the air intake mechanism includes an air intake port located above the housing, and a fixing ring is provided above the air intake port, with a limiting groove b formed on the surface of the fixing ring.

[0017] As a preferred embodiment, a limiting rod b is provided inside the limiting groove b, a spring c is provided on one side of the limiting rod b, and a connecting pipe is provided on one side of the spring c.

[0018] This utility model provides an energy-saving thermal energy circulation heating box for pulp and paper making. It has the following features:

[0019] Beneficial effects:

[0020] (1) The energy-saving thermal energy circulation heating box for pulp and paper making is equipped with a uniform heating mechanism. During the heating process of pulp and paper making, the movable rod can be inserted into the movable groove. Under the action of the movable groove and the movable rod, the filter screen can be installed, thereby achieving uniform heating of the pulp on the surface of the filter screen. This avoids the phenomenon of uneven heating of the pulp due to its thinness during the heating process of pulp and paper making, which would lead to uneven drying of the heated pulp, resulting in poor pulp toughness and increased pulp waste. This would greatly reduce the practicality of the thermal energy circulation heating box. Furthermore, under the action of the extension and resetting of the spring a, the fixed plate can be extended and retracted, thereby fixing the pulp during heating.

[0021] (2) The energy-saving thermal energy circulation heating box for pulp and paper making is equipped with a uniform heating mechanism. During the process of heating pulp and paper making, the motor switch can be turned on first. Under the action of the motor, the motor drives the rotating shaft a to rotate, and then the rotating shaft a can drive the support plate to rotate, which facilitates the repeated turning of the pulp above the support plate and facilitates uniform heating of the pulp. Attached Figure Description

[0022] Figure 1 This is a side view of the appearance structure of this utility model;

[0023] Figure 2 This is a schematic diagram of the uniform heating mechanism of this utility model;

[0024] Figure 3 This is a schematic diagram of the sealing mechanism of this utility model;

[0025] Figure 4 This is a schematic diagram of the air intake mechanism of this utility model;

[0026] Figure 5 for Figure 2 Enlarged structural diagram at point A in the middle.

[0027] The components are as follows: 1. Housing; 2. Uniform heating mechanism; 201. Support plate; 202. Spring a; 203. Connecting rod; 204. Fixing plate; 205. Movable groove; 206. Movable rod; 207. Filter screen; 2011. Rotating shaft a; 2012. Bearing; 2013. Motor; 2014. Gear a; 2015. Belt; 2016. Gear b; 2017. Rotating shaft b; 3. Sealing mechanism; 301. Hinge; 302. Protective door; 303. Limiting groove a; 304. Limiting rod a; 305. Spring b; 306. Sealing ring; 307. Fixing bolt; 4. Air intake mechanism; 401. Air inlet; 402. Fixing rod; 403. Limiting groove b; 404. Limiting rod b; 405. Spring c; 406. Connecting pipe. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] Please see Figures 1 to 5 This utility model provides a technical solution: an energy-saving thermal energy circulation heating box for pulping and papermaking, including a box body 1, a uniform heating mechanism 2 is provided inside the box body 1, a sealing mechanism 3 is provided on one side of the box body 1, and an air intake mechanism 4 is provided above the box body 1. The air intake mechanism 4 includes an air inlet 401, which is located above the box body 1. A fixing ring 402 is provided above the air inlet 401. A limiting groove b403 is provided on the surface of the fixing ring 402. A limiting rod b404 is provided inside the limiting groove b403. A spring c405 is provided on one side of the limiting rod b404, and a connecting pipe 406 is provided on one side of the spring c405.

[0030] In the process of heating the pulp and paper in the energy-saving thermal energy circulation heating box, the uniform heating mechanism 2 can avoid uneven heating of the pulp due to its thinness. This can lead to uneven drying of the heated pulp, resulting in poor pulp toughness, increased pulp waste, and a significant reduction in the practicality of the thermal energy circulation heating box.

[0031] Please see Figure 2An energy-saving thermal energy circulation heating box for pulp and paper making includes a uniform heating mechanism 2 comprising a support plate 201, which is disposed inside the box body 1. A spring a202 is disposed above the support plate 201, a connecting rod 203 is disposed above the spring a202, and a fixing plate 204 is disposed above the connecting rod 203. A movable groove 205 is provided on the inner side of the support plate 201, and a movable rod 206 is disposed on the inner side of the movable groove 205. A filter screen 207 is disposed on one side of the movable rod 206. A rotating shaft a2011 is disposed on one side of the support plate 201, a bearing 2012 is sleeved on the outside of the rotating shaft a2011, a motor 2013 is disposed on one side of the rotating shaft a2011, a gear a2014 is sleeved on the outside of the rotating shaft a2011, a belt 2015 is disposed on one side of the gear a2014, a gear b2016 is sleeved on the inner side of the belt 2015, and a rotating shaft b2017 is sleeved on the inner side of the gear b2016.

[0032] Specifically, in the process of heating the pulp and paper in an energy-saving thermal circulation heating box used for pulp and paper making, the movable rod 206 can be inserted into the movable groove 205 first. Under the action of the movable groove 205 and the movable rod 206, the filter screen 207 can be installed, thereby achieving uniform heating of the pulp on the surface of the filter screen 207. This avoids the uneven heating of the pulp, which is prone to occur when heating the pulp raw material due to its thinness, leading to uneven drying of the heated pulp, resulting in poor pulp toughness. This leads to an increase in pulp waste, which in turn greatly reduces the practicality of the thermal energy circulation heating box. Under the action of the extension and return of the spring a202, the spring a202 can drive the fixed plate 204 to extend and retract. The fixed plate 204 can then fix the pulp during heating. The switch of the motor 2013 can be turned on first. Under the action of the motor 2013, the motor 2013 drives the rotating shaft a2011 to rotate. The rotating shaft a2011 can then drive the support plate 201 to rotate, which facilitates repeated turning of the pulp above the support plate 201 and facilitates uniform heating of the pulp.

[0033] Please see Figure 3 An energy-saving thermal energy circulation heating box for pulp and paper making includes a sealing mechanism 3 comprising a hinge 301, which is disposed on one side of the box body 1. A protective door 302 is provided on one side of the hinge 301. A limiting groove a303 is formed on the surface of the protective door 302. A limiting rod a304 is provided inside the limiting groove a303. A spring b305 is provided on one side of the limiting rod a304. The spring b305 is disposed on the surface of the box body 1. A sealing ring 306 is provided inside the protective door 302. A fixing bolt 307 is provided on the surface of the sealing ring 306.

[0034] In the process of heating the pulp and paper making process in the energy-saving thermal energy circulation heating box, a sealing mechanism 3 is provided. Under the action of the sealing ring 306, the sealing ring 306 can seal the inside of the box 1. Under the extension and resetting action of the spring b305, the spring b305 drives the limiting rod a304 into the inner side of the limiting groove a303, which can close the protective door 302 tightly.

[0035] The working principle of this utility model is as follows: During the heating process of the energy-saving thermal energy circulation heating box for pulp and paper making, the movable rod 206 can be inserted into the movable groove 205. Under the action of the movable groove 205 and the movable rod 206, the filter screen 207 can be installed, thereby achieving uniform heating of the pulp on the surface of the filter screen 207. This avoids the uneven heating of the pulp, which is prone to occur when heating the pulp raw material due to its thinness. This uneven heating leads to uneven drying of the heated pulp, resulting in poor pulp toughness, increased pulp waste, and significantly reduced practicality of the thermal energy circulation heating box. Furthermore, under the extension and resetting action of the spring a202, the filter screen 207 can be installed. Spring a202 can drive the fixed plate 204 to extend and retract, thereby fixing the pulp during heating. The motor 2013 can be turned on first, and under the action of the motor 2013, the rotating shaft a2011 can be rotated, which in turn drives the support plate 201 to rotate, facilitating repeated turning of the pulp above the support plate 201 and facilitating uniform heating of the pulp. With the sealing mechanism 3, the sealing ring 306 can seal the inside of the box 1. Under the extension and resetting action of spring b305, the spring b305 drives the limiting rod a304 into the inner side of the limiting groove a303, which can close the protective door 302 tightly.

[0036] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An energy-saving thermal energy circulation heating box for pulp and paper making, comprising a box body (1), characterized in that: The box (1) is equipped with a uniform heating mechanism (2), a sealing mechanism (3) is provided on one side of the box (1), and an air intake mechanism (4) is provided on the top of the box (1). The uniform heating mechanism (2) includes a support plate (201) which is disposed inside the housing (1). A spring a (202) is disposed above the support plate (201), a connecting rod (203) is disposed above the spring a (202), a fixing plate (204) is disposed above the connecting rod (203), a movable groove (205) is provided on the inner side of the support plate (201), a movable rod (206) is disposed on the inner side of the movable groove (205), and a filter screen (207) is disposed on one side of the movable rod (206).

2. The energy-saving thermal circulation heating box for pulp and paper making according to claim 1, characterized in that: A rotating shaft a (2011) is provided on one side of the support plate (201), and a bearing (2012) is sleeved on the outside of the rotating shaft a (2011).

3. The energy-saving thermal circulation heating box for pulp and paper making according to claim 2, characterized in that: A motor (2013) is provided on one side of the rotating shaft a (2011), a gear a (2014) is sleeved on the outside of the rotating shaft a (2011), and a belt (2015) is provided on one side of the gear a (2014).

4. The energy-saving thermal circulation heating box for pulp and paper making according to claim 3, characterized in that: The belt (2015) is fitted with a gear b (2016) on its inner side, and the gear b (2016) is fitted with a rotating shaft b (2017) on its inner side.

5. The energy-saving thermal circulation heating box for pulp and paper making according to claim 1, characterized in that: The sealing mechanism (3) includes a hinge (301), which is located on one side of the housing (1). A protective door (302) is provided on one side of the hinge (301), and a limiting groove a (303) is provided on the surface of the protective door (302).

6. The energy-saving thermal circulation heating box for pulp and paper making according to claim 5, characterized in that: A limiting rod a (304) is provided inside the limiting groove a (303), and a spring b (305) is provided on one side of the limiting rod a (304). The spring b (305) is provided on the surface of the box body (1). A sealing ring (306) is provided inside the protective door (302), and a fixing bolt (307) is provided on the surface of the sealing ring (306).

7. The energy-saving thermal circulation heating box for pulp and paper making according to claim 1, characterized in that: The air intake mechanism (4) includes an air intake (401), which is located above the housing (1). A fixing ring (402) is provided above the air intake (401), and a limiting groove (403) is provided on the surface of the fixing ring (402).

8. The energy-saving thermal circulation heating box for pulp and paper making according to claim 7, characterized in that: A limiting rod b (404) is provided inside the limiting groove b (403), a spring c (405) is provided on one side of the limiting rod b (404), and a connecting pipe (406) is provided on one side of the spring c (405).

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