Papermaking white mud drying and grinding device
By designing a paper-making white mud drying and grinding device, the white mud raw materials are dried by using a resistive ring and a heating ring, and combining the grinding roller and screening chamber to improve the powder quality, the problem of failure to effectively dry during the white mud grinding process is solved. Achieve better soil improvement results.
Patent Information
- Application Number
- CN202323598829.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-28
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2033-12-28
AI Technical Summary
The papermaking white mud cannot be effectively dried during grinding, resulting in the powder quality being affected and cannot be fully combined with the soil, affecting the soil improvement effect.
A papermaking white mud drying powder grinding device including a grinding device body, a feeding barrel, a heating sleeve, a resistive ring, a heat conducting rod and a heating ring is designed. Heat is generated through the resistive ring, and the heat conducting rod is transferred to the heating ring and dried. White mud raw material, and use grinding rollers and screening chambers to improve the quality of the powder.
Effectively dry white mud raw materials, improve the quality of the powder, make it more suitable for soil improvement and enhance soil fertility and permeability.
Smart Images
Figure CN222174201U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of white mud grinding, in particular to a papermaking white mud drying and grinding device. Background Art
[0002] Paper mill white mud refers to the waste generated in the papermaking process. It is composed of impurities, fiber residues and sediments in the pulp. Although white mud is a waste, it is widely used in soil improvement because it is rich in organic matter and trace elements. White mud can improve soil fertility, improve soil structure and permeability, increase soil water retention capacity, and improve crop yield and quality.
[0003] The white mud from the paper mill needs to be ground before it is used for soil improvement. The white mud is ground into powder to facilitate better combination with the soil. When the white mud is ground using a grinding device, it often does not have the function of drying. The white mud still contains some water, which affects the quality of the white mud powder. Utility Model Content
[0004] The utility model aims to provide a papermaking white mud drying and grinding device to solve the problems raised in the above-mentioned background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a papermaking white mud drying and grinding device, comprising a grinding device body, a feeding barrel, a heating sleeve and a screening chamber, a feeding barrel is arranged on one side of the grinding device body, and a heating sleeve is arranged on the outer side of the feeding barrel, a resistance ring is arranged at the bottom end of the heating sleeve, and heating rings are evenly distributed at the central position of the heating sleeve, and the heating rings are evenly connected to the resistance rings through heat-conducting rods, the top of one side of the feeding barrel is connected to the grinding device body through a feeding channel, two groups of grinding rollers are arranged at the central position of the grinding device body, a screening chamber is arranged at the bottom end of the grinding device body, and a screen is arranged inside the screening chamber.
[0006] Preferably, guide plates are rotatably connected to both sides of the interior of the grinding device body, and the bottom ends of the guide plates are connected to the interior of the grinding device body via buffer springs.
[0007] Preferably, a roller is provided at a central position inside the loading barrel, and spiral blades are evenly distributed on the roller. A first rotary drive mechanism is fixed to the top of the loading barrel, and an output end of the first rotary drive mechanism is connected to the roller.
[0008] Preferably, a driving chamber is provided on one side of the screening chamber, and a rotating shaft is provided inside the driving chamber, a second rotating driving mechanism is fixed on the top of the driving chamber, and the output end of the second rotating driving mechanism is connected to the rotating shaft, an eccentric wheel is provided on the rotating shaft, and one end of the eccentric wheel is connected to the screen through a first connecting rod.
[0009] Preferably, a buffer chamber is provided on the side of the screening chamber away from the driving chamber, and a pressure plate is evenly provided inside the buffer chamber through a return spring, and one end of the pressure plate is connected to the screen through a second connecting rod.
[0010] Preferably, guide rods are provided on both sides of the interior of the screening chamber, and both sides of the screen are sleeved with the guide rods through movable sleeves.
[0011] Preferably, the heating ring is evenly clamped on the outer wall of the loading barrel, and the heating ring and the heat-conducting rod are both made of copper alloy.
[0012] Compared with the prior art, the beneficial effects of the utility model are:
[0013] (1) The papermaking white mud drying and grinding device is equipped with a grinding device body, a feeding barrel, a roller, a spiral blade, a heating sleeve, a resistance ring, a heat-conducting rod and a heating ring. The white mud raw material of the paper mill is added into the feeding barrel, and the first rotary drive mechanism drives the roller and the spiral blade to rotate, and the white mud raw material is transported upward to the inside of the grinding device body. During the transportation process, the resistance ring is energized to generate heat, and the heat is evenly transferred to the heating ring through the heat-conducting rod. The heating ring increases the temperature of the white mud raw material in the feeding barrel and dries it, which is beneficial to subsequent grinding.
[0014] (2) The papermaking white mud drying and grinding device is equipped with a guide plate, a buffer spring and a grinding roller. When the white mud raw material enters the main body of the grinding device, it is guided by the guide plate so that it falls between two groups of grinding rollers. At the same time, when the white mud raw material falls on the guide plate, it squeezes the buffer spring, and the direct impact on the guide plate is reduced by the rebound effect of the buffer spring.
[0015] (3) The papermaking white mud drying and grinding device is equipped with a screening chamber, a screen, a driving chamber, a rotating shaft, an eccentric wheel, a second rotating driving mechanism, a buffer chamber, a first connecting rod and a second connecting rod. After the white mud powder enters the screening chamber, the second rotating driving mechanism drives the rotating shaft and the eccentric wheel to rotate, and the eccentric wheel pushes the first connecting rod and the screen to move right. The screen moves back and resets under the action of the internal reset spring during buffering. This reciprocating process can screen the white mud powder and improve the quality of the white mud powder. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;
[0017] Figure 2 For the utility model Figure 1 The enlarged structural diagram at A in the middle;
[0018] Figure 3 This is a schematic diagram of the cross-sectional structure of the screening chamber of the utility model;
[0019] Figure 4 For the utility model Figure 1 The enlarged structural diagram at B in the middle;
[0020] Figure 5 For the utility model Figure 3 Enlarged structural diagram at point C in the middle.
[0021] In the figure: 1. grinding device body; 2. first rotary drive mechanism; 3. loading barrel; 4. heating sleeve; 5. resistance ring; 6. screening chamber; 7. screen; 8. second rotary drive mechanism; 9. grinding roller; 10. heating ring; 11. heat-conducting rod; 12. roller; 13. spiral blade; 14. second connecting rod; 15. reset spring; 16. buffer chamber; 17. pressure plate; 18. eccentric wheel; 19. rotating shaft; 20. guide plate; 21. buffer spring; 22. guide rod; 23. movable sleeve; 24. driving chamber; 25. first connecting rod. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0023] See also Figure 1-5 The utility model provides an embodiment: a papermaking white mud drying and grinding device, comprising a grinding device body 1, a feeding cylinder 3, a heating sleeve 4 and a screening chamber 6, a side of the grinding device body 1 is provided with a feeding cylinder 3, and the top of one side of the feeding cylinder 3 is connected with the grinding device body 1 through a feeding channel;
[0024] A roller 12 is provided at the central position inside the upper barrel 3, and spiral blades 13 are evenly distributed on the roller 12. A first rotary drive mechanism 2 is fixed to the top of the upper barrel 3, and the output end of the first rotary drive mechanism 2 is connected to the roller 12.
[0025] The white mud raw material of the paper mill is added into the feeding barrel 3, and the first rotary drive mechanism 2 drives the roller 12 and the spiral blade 13 to rotate, and the white mud raw material is transported upward to the inside of the grinding device body 1;
[0026] The outer side of the upper barrel 3 is provided with a heating sleeve 4, the bottom end of the heating sleeve 4 is provided with a resistance ring 5, and the central position of the heating sleeve 4 is evenly distributed with heating rings 10, and the heating rings 10 are evenly connected to the resistance ring 5 through heat conducting rods 11;
[0027] During the transportation of the white mud raw material, the resistance ring 5 is energized to generate heat, and the heat is evenly transferred to the heating ring 10 through the heat-conducting rod 11. The heating ring 10 increases the temperature of the white mud raw material in the feeding barrel 3 and dries it, which is beneficial for subsequent grinding.
[0028] The heating ring 10 is evenly hooped on the outer wall of the loading barrel 3, and the heating ring 10 and the heat conducting rod 11 are both made of copper alloy to improve the heat transfer efficiency;
[0029] Two groups of grinding rollers 9 are arranged at the central position inside the grinding device body 1, and guide plates 20 are rotatably connected to both sides inside the grinding device body 1, and the bottom ends of the guide plates 20 are connected to the inside of the grinding device body 1 through buffer springs 21;
[0030] When the white mud raw material enters the grinding device body 1, it is guided by the guide plate 20 so that it falls between the two sets of grinding rollers 9. At the same time, when the white mud raw material falls on the guide plate 20, it squeezes the buffer spring 21, and the direct impact on the guide plate 20 is reduced by the rebound effect of the buffer spring 21;
[0031] A screening chamber 6 is provided at the bottom of the grinding device body 1, and a screen 7 is provided inside the screening chamber 6. An external driving device drives two sets of grinding rollers 9 to rotate relative to each other to grind the white mud raw material, and then the white mud powder enters the screen 7 in the screening chamber 6;
[0032] A driving chamber 24 is provided on one side of the screening chamber 6, and a rotating shaft 19 is provided inside the driving chamber 24. A second rotating driving mechanism 8 is fixed on the top of the driving chamber 24, and the output end of the second rotating driving mechanism 8 is connected to the rotating shaft 19. An eccentric wheel 18 is provided on the rotating shaft 19, and one end of the eccentric wheel 18 is connected to the screen 7 through a first connecting rod 25.
[0033] A buffer chamber 16 is provided on one side of the screening chamber 6 away from the driving chamber 24, and a pressure plate 17 is evenly provided inside the buffer chamber 16 through a return spring 15, and one end of the pressure plate 17 is connected to the screen 7 through a second connecting rod 14;
[0034] The second rotary drive mechanism 8 drives the rotating shaft 19 and the eccentric wheel 18 to rotate, and the eccentric wheel 18 pushes the first connecting rod 25 and the screen 7 to move rightward, and the second connecting rod 14 on the other side of the screen 7 pushes the pressure plate 17 to squeeze the reset spring 15, and the screen 7 moves back and forth under the rebound action of the reset spring 15, so that the screen 7 swings back and forth, and the white mud powder can be screened to improve the quality of the white mud powder;
[0035] Guide rods 22 are provided on both sides of the screening chamber 6, and both sides of the screen 7 are sleeved with the guide rods 22 through movable sleeves 23 to guide and limit the screen 7 when it moves;
[0036] The specific models and specifications of the first rotary drive mechanism 2, the second rotary drive mechanism 8 and the resistance ring 5 need to be determined by selection calculation based on the specification parameters of the device. The selection calculation method is existing technology and will not be described in detail.
[0037] Working principle: When the embodiment of the present application is in use, the white mud raw material of the paper mill is added into the feeding barrel 3, and the first rotary drive mechanism 2 drives the roller 12 and the spiral blade 13 to rotate, and the white mud raw material is transported upward to the inside of the grinding device body 1. During the transportation process, the resistance ring 5 is energized to generate heat, and the heat is evenly transferred to the heating ring 10 through the heat-conducting rod 11. The heating ring 10 increases the temperature of the white mud raw material in the feeding barrel 3 and dries it, which is beneficial for subsequent grinding. When the white mud raw material enters the grinding device body 1, it is guided by the guide plate 20 to fall between the two sets of grinding rollers 9. At the same time, when the white mud raw material falls on the guide plate 20, it hits the buffer spring 21 produces extrusion, and the direct impact on the guide plate 20 is reduced by the rebound effect of the buffer spring 21. The external driving device drives the two groups of grinding rollers 9 to rotate relative to each other to grind the white mud raw material. The white mud powder then enters the screen 7 in the screening chamber 6, and the second rotary drive mechanism 8 drives the rotating shaft 19 and the eccentric wheel 18 to rotate. The eccentric wheel 18 pushes the first connecting rod 25 and the screen 7 to move right. The second connecting rod 14 on the other side of the screen 7 pushes the pressure plate 17 to squeeze the reset spring 15, and the reset plate 15 moves back and forth under the rebound effect of the reset spring 15. This reciprocating motion makes the screen 7 swing back and forth, so that the white mud powder can be screened and the quality of the white mud powder is improved.
Claims
1. Papermaking white mud drying and grinding device, characterized in that: The invention comprises a grinding device body (1), a feeding barrel (3), a heating sleeve (4) and a screening chamber (6); a feeding barrel (3) is arranged on one side of the grinding device body (1), and a heating sleeve (4) is arranged on the outer side of the feeding barrel (3); a resistance ring (5) is arranged at the bottom end of the heating sleeve (4), and heating rings (10) are evenly distributed at the central position of the heating sleeve (4); the heating rings (10) are evenly connected to the resistance rings (5) through heat-conducting rods (11); the top end of one side of the feeding barrel (3) is connected to the grinding device body (1) through a feeding channel; two groups of grinding rollers (9) are arranged at the central position of the grinding device body (1); a screening chamber (6) is arranged at the bottom end of the grinding device body (1), and a screen (7) is arranged inside the screening chamber (6).
2. The papermaking white mud drying and grinding device according to claim 1, characterized in that: Guide plates (20) are rotatably connected to both sides of the grinding device body (1), and the bottom ends of the guide plates (20) are connected to the inside of the grinding device body (1) via buffer springs (21).
3. The papermaking white mud drying and grinding device according to claim 1 is characterized in that: A roller (12) is arranged at a central position inside the loading barrel (3), and spiral blades (13) are evenly distributed on the roller (12). A first rotary drive mechanism (2) is fixed to the top end of the loading barrel (3), and an output end of the first rotary drive mechanism (2) is connected to the roller (12).
4. The papermaking white mud drying and grinding device according to claim 1, characterized in that: A driving chamber (24) is provided on one side of the screening chamber (6), and a rotating shaft (19) is provided inside the driving chamber (24). A second rotating driving mechanism (8) is fixed on the top of the driving chamber (24), and an output end of the second rotating driving mechanism (8) is connected to the rotating shaft (19). An eccentric wheel (18) is provided on the rotating shaft (19), and one end of the eccentric wheel (18) is connected to the screen (7) via a first connecting rod (25).
5. The papermaking white mud drying and grinding device according to claim 1, characterized in that: A buffer chamber (16) is arranged on the side of the screening chamber (6) away from the driving chamber (24), and a pressure plate (17) is evenly arranged inside the buffer chamber (16) via a return spring (15), and one end of the pressure plate (17) is connected to the screen (7) via a second connecting rod (14).
6. The papermaking white mud drying and grinding device according to claim 1, characterized in that: Guide rods (22) are provided on both sides of the screening chamber (6), and both sides of the screen (7) are sleeved with the guide rods (22) via movable sleeves (23).
7. The papermaking white mud drying and grinding device according to claim 1 is characterized in that: The heating ring (10) is evenly hooped on the outer wall of the loading barrel (3), and the heating ring (10) and the heat conducting rod (11) are both made of copper alloy.