Energy-saving and efficient high-concentration pulp grinder
By using a servo motor-driven transmission rod and grinding disc system to perform multi-stage grinding and cooling of the pulp, the problems of uneven grinding and excessive temperature in existing pulpers are solved, and a highly efficient and energy-saving pulp preparation process is achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-28
- Publication Date
- 2026-03-20
AI Technical Summary
Existing pulp refiners used in pulp preparation suffer from uneven grinding, clogging, and excessively high temperatures during the refining process, leading to decreased paper quality and low production efficiency.
The transmission rod driven by a servo motor drives the mixing frame and grinding disc to perform multi-stage grinding of the pulp, and is equipped with a cooling box for cooling. The pulp is screened through multiple discharge holes of the grinding disc and a sieve plate, and combined with the cutting blade to prevent clogging, realizing an integrated grinding and cooling process.
It improves the pulp's grinding ability and uniformity, avoids repeated grinding, simplifies the process, increases production efficiency, and reduces energy consumption.
Smart Images
Figure CN224016022U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of pulp mill, more specifically, especially relate to a kind of energy-efficient paper pulp high concentration pulp mill. BACKGROUND
[0002] With the continuous development of papermaking industry, the requirement of paper quality and production efficiency is increasing, and the performance of the pulp mill, as a key equipment in papermaking process, directly affects the final quality of paper and production cost.
[0003] The existing paper pulp preparation is used in the process of grinding, a large amount of paper pulp is ground, and uneven grinding is easily generated, part of the paper pulp is not completely broken and split, which not only affects the grinding effect of paper pulp, but also may block the internal conveying device, and after paper pulp inspection, secondary or tertiary grinding is required, and most of the equipment does not have cooling device, because the temperature of the just discharged paper pulp is too high, the temperature is reduced to ensure the required physical and chemical properties, prevent paper pulp overheating from causing paper quality decline, so that paper pulp is sent to other cooling equipment for cooling after discharging, which is time-consuming and laborious, and reduces the working efficiency.
[0004] Therefore, in view of the above, the existing structure and defects are improved, and an energy-efficient paper pulp high concentration pulp mill is provided to achieve more practical value. INVENTION CONTENTS
[0005] To solve the above technical problems, the utility model provides an energy-efficient paper pulp high concentration pulp mill, which is realized by the following specific technical means:
[0006] An energy-efficient paper pulp high concentration pulp mill, comprising a mounting plate, two support plates are installed on the lower sides of the mounting plate, mounting blocks are installed on the upper surfaces of the mounting plate, a main tank body is installed on one side of the inner wall of the two mounting blocks, a feeding port is arranged on one side of the main tank body, a transmission rod is rotatably installed on the inner top of the main tank body, a plurality of connecting plates are installed on the outer side of the transmission rod, a plurality of stirring frames are installed on the outer sides of the connecting plates, a plurality of grinding discs are installed on the outer side of the transmission rod, and the grinding discs are arranged from top to bottom, a sieve plate is installed at the bottom of the main tank body, a plurality of sieve holes are arranged on the upper surface of the sieve plate, and a cooling box is installed at the bottom of the sieve plate.
[0007] Preferably, the bottom of the transmission rod penetrates the sieve plate, a connecting column is installed on the outer rod wall of the transmission rod, a plurality of cutting blades are installed on the outer side of the connecting column, and the cutting blades are arranged close to the sieve plate.
[0008] Preferably, the top of the main tank body is provided with a servo motor, and the output end of the servo motor is in driving connection with the top of the transmission rod.
[0009] Preferably, a retainer is mounted on the outer side of the servo motor, and the bottom of the retainer is fixed to the top of the main tank body.
[0010] Preferably, a refrigeration device is mounted on one side of the left support plate, a plurality of gas conveying pipes are connected to one side of the refrigeration device, and one end of each of the plurality of gas conveying pipes is in communication with one side of the cooling box.
[0011] Preferably, the upper surfaces of the plurality of grinding discs are provided with material leakage holes, the material leakage hole of the uppermost grinding disc is the largest, and the size of the material leakage holes gradually decreases from top to bottom.
[0012] Preferably, a discharge pipe is mounted on the bottom of the cooling box, and an electromagnetic valve is mounted at the discharge port of the discharge pipe.
[0013] Compared with the prior art, the paper pulp high-concentration grinding machine has the following beneficial effects:
[0014] 1. The servo motor drives the transmission rod to run, thereby driving the plurality of stirring frames to perform the first step of processing, breaking and mixing the paper pulp inside, and then falling above the grinding discs. Under the synchronous driving of the transmission rod, the grinding discs perform the second step of processing, crushing the paper pulp, and further refining and polishing the paper pulp due to the different sizes of the material leakage holes on the three grinding discs, thereby improving the polishing capacity. Finally, the paper pulp is screened by the screen plate and enters the cooling box. Under the cooperation of the refrigeration device and the gas conveying pipe, the paper pulp is cooled and cooled. In summary, the device can completely process and crush the paper pulp through multiple polishing and crushing steps, thereby improving the processing capacity, eliminating the need for repeated grinding of the paper pulp, and providing the device with a condensation system. The paper pulp can be directly cooled and cooled before being discharged, eliminating the need for transporting the paper pulp to other equipment for cooling work, improving the work efficiency, simplifying the work process, and having the effects of energy saving and high efficiency. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 is a main body structure schematic diagram of the paper pulp high-concentration grinding machine.
[0016] Figure 2 is a cross-sectional structure schematic diagram of the paper pulp high-concentration grinding machine.
[0017] Figure 3 is a grinding disc and screen plate structure schematic diagram of the paper pulp high-concentration grinding machine.
[0018] Figure 4 is a screen hole and material leakage hole structure schematic diagram of the paper pulp high-concentration grinding machine.
[0019] In the drawings, the correspondence between the component names and the drawing numbers is as follows:
[0020] 1, mounting plate; 2, support plate; 3, main tank body; 4, mounting block; 5, servo motor; 6, retainer; 7, transmission rod; 8, connecting plate; 9, stirring frame; 10, grinding disc; 11, connecting column; 12, cutting blade; 13, sieve plate; 14, cooling box; 15, gas conveying pipe; 16, refrigeration device; 17, discharge pipe; 18, electromagnetic valve; 19, feed inlet. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.
[0022] Embodiment:
[0023] As shown in the accompanying Figure 1 to the accompanying Figure 4 As shown:
[0024] The utility model provides a kind of energy-efficient pulp high concentration refiner, including mounting plate 1, the two sides below mounting plate 1 are equipped with support plate 2, the two sides of mounting plate 1 upper surface are equipped with mounting block 4, the inner wall of two mounting blocks 4 one side is commonly equipped with main tank body 3, one side of main tank body 3 is provided with feed inlet 19, the inner top of main tank body 3 is rotatably installed with transmission rod 7, the outside of transmission rod 7 is equipped with multiple connecting plates 8, the outside of multiple connecting plates 8 is equipped with stirring frame 9, the outside of transmission rod 7 is also equipped with multiple grinding discs 10, and multiple grinding discs 10 are arranged from top to bottom, the bottom of main tank body 3 is equipped with sieve plate 13, the upper surface of sieve plate 13 is provided with multiple sieve holes, and the bottom of sieve plate 13 is equipped with cooling box 14, transmission rod 7 is driven to operate by servo motor 5, to drive multiple stirring frames 9 to carry out first step processing and mix inside paper pulp, then fall above grinding disc 10, under the synchronous driving of transmission rod 7, grinding disc 10 is processed to second time and is crushed, and because the size of three grinding discs 10 on leakage hole is different, paper pulp can be further refined and polished, improve polishing capacity, finally, after screening of sieve plate 13, enter cooling box 14, under the cooperation of refrigeration device 16 and gas conveying pipe 15, paper pulp is cooled, as described above, the device can be processed and crushed through multiple polishing and crushing steps, improve processing capacity, paper pulp does not need to be repeatedly ground, and the device is equipped with condensing system, paper pulp can be directly cooled before discharging, paper pulp does not need to be transported to other equipment for cooling work, improve work efficiency and simplify work flow, with energy-efficient effect.
[0025] The bottom of the transmission rod 7 penetrates the sieve plate 13, the outer rod wall of the transmission rod 7 is provided with a connecting column 11, the outer side of the connecting column 11 is provided with a plurality of cutting blades 12, the plurality of cutting blades 12 are arranged close to the sieve plate 13, the pulp near the sieve plate 13 is cut and broken again by the plurality of cutting blades 12, and the pulp near the sieve plate 13 is driven to rotate and discharge, so as to avoid the sieve holes on the sieve plate 13 from being blocked, thereby affecting the processing efficiency.
[0026] The top of the main tank body 3 is provided with a servo motor 5, and the output end of the servo motor 5 is in transmission connection with the top of the transmission rod 7.
[0027] The outer side of the servo motor 5 is provided with a retainer 6, and the bottom of the retainer 6 is fixed to the top of the main tank body 3. When the retainer 6 is installed, the servo motor 5 operates more stably.
[0028] The side of the left side supporting plate 2 is provided with a refrigeration device 16, the side of the refrigeration device 16 is connected with a plurality of gas conveying pipes 15, one end of the plurality of gas conveying pipes 15 is in communication with one side of the cooling box 14, and the pulp is cooled by the cooperation of the refrigeration device 16 and the gas conveying pipe 15, so that the cooling and grinding are integrated.
[0029] The upper surface of each of the plurality of grinding discs 10 is provided with a material leakage hole, the material leakage hole of the uppermost grinding disc 10 is the largest, and the size of the material leakage hole gradually decreases from top to bottom. The material leakage hole is gradually arranged, so that the pulp can be processed more finely, and the qualified pulp can be discharged.
[0030] The bottom of the cooling box 14 is provided with a discharge pipe 17, and the discharge port of the discharge pipe 17 is provided with an electromagnetic valve 18. The discharge pipe 17 is controlled by the electromagnetic valve 18.
[0031] The working principle of the embodiment is as follows: first, the material is poured into the main tank body 3 through the feeding port 19, then the transmission rod 7 is driven to rotate by the servo motor 5, thereby driving the plurality of stirring frames 9 to process and crush the pulp in the main tank body 3 for the first time, so that the pulp is preliminarily crushed and mixed to a certain degree of crushing and uniformity, the pulp processed preliminarily by the stirring frame 9 falls above the grinding disc 10, and the grinding disc 10 processes and crushes the pulp for the second time under the synchronous driving of the transmission rod 7, so that the crushing degree of the pulp is further improved, since the size of the material leakage holes on the three grinding discs 10 is different and gradually decreases from top to bottom, therefore, during the crushing process of the pulp by the grinding disc 10, the qualified pulp falls through the material leakage holes of the corresponding grinding disc 10 step by step, so that the grinding capacity is improved, and the fineness of the pulp is ensured to reach the required degree, and the pulp processed by the grinding disc 10 finally falls on the sieve plate 13, and the plurality of sieve holes on the sieve plate 13 screen the pulp, the qualified pulp enters the cooling box 14 through the sieve holes, and the unqualified pulp remains on the sieve plate 13 to be processed continuously, so that the quality of the pulp is ensured;
[0032] Secondly, the bottom of the transmission rod 7 penetrates the sieve plate 13 and is provided with a plurality of cutting blades 12 through the connecting column 11, the cutting blades 12 are arranged close to the sieve plate 13 and can cut and crush the pulp near the sieve plate 13 again, and drive the pulp near the sieve plate 13 to rotate and discharge, so that the sieve holes of the sieve plate 13 are effectively prevented from being blocked by the pulp, and the processing efficiency is improved;
[0033] Finally, the pulp entering the cooling box 14 is cooled and cooled down under the cooperation of the refrigeration device 16 and the gas conveying pipe 15, so that the pulp directly completes the cooling process before discharging and does not need to be transported to other equipment for cooling work, so that the working process is simplified and the working efficiency is improved, and the cooled pulp is discharged through the discharge pipe 17 installed at the bottom of the cooling box 14, and the electromagnetic valve 18 is installed at the discharge port of the discharge pipe 17, so that the discharge of the pulp can be accurately controlled, and the automation and precision of the production process are realized.
[0034] The embodiments of the utility model are given for the purpose of example and description, and are not exhaustive or limit the utility model to the disclosed forms. Many modifications and changes are obvious to those skilled in the art. The embodiments are selected and described in order to better illustrate the principles and practical application of the utility model, and to enable those skilled in the art to understand the utility model so as to design various embodiments with various modifications suitable for specific purposes.
Claims
1. An energy-efficient and high-consistency pulp refiner, comprising a mounting plate (1), characterized in that: Support plates (2) are installed on both sides below the mounting plate (1). Mounting blocks (4) are installed on both sides of the upper surface of the mounting plate (1). The main tank (3) is installed on one side of the inner wall of the two mounting blocks (4). A feed inlet (19) is provided on one side of the main tank (3). A transmission rod (7) is rotatably installed on the inner top of the main tank (3). Multiple connecting plates (8) are installed on the outer side of the transmission rod (7). A stirring rack (9) is installed on the outer side of the multiple connecting plates (8). Multiple grinding discs (10) are also installed on the outer side of the transmission rod (7). The multiple grinding discs (10) are arranged from top to bottom. A sieve plate (13) is installed at the bottom of the main tank (3). Multiple sieve holes are provided on the upper surface of the sieve plate (13). A cooling box (14) is installed at the bottom of the sieve plate (13).
2. The energy-saving and efficient high-consistency pulp refiner as described in claim 1, characterized in that: The bottom of the transmission rod (7) is set through the screen plate (13), and a connecting column (11) is installed on the outer wall of the transmission rod (7). Multiple cutting blades (12) are installed on the outside of the connecting column (11), and the multiple cutting blades (12) are all set close to the screen plate (13).
3. The energy-saving and efficient high-consistency pulp refiner as described in claim 2, characterized in that: A servo motor (5) is provided on the top of the main tank (3), and the output end of the servo motor (5) is connected to the top of the transmission rod (7).
4. The energy-saving and efficient high-consistency pulp refiner as described in claim 3, characterized in that: A retainer (6) is installed on the outside of the servo motor (5), and the bottom of the retainer (6) is fixed to the top of the main tank (3).
5. The energy-saving and efficient high-consistency pulp refiner as described in claim 1, characterized in that: A refrigeration device (16) is installed on one side of the support plate (2) on the left side. A plurality of gas supply pipes (15) are connected to one side of the refrigeration device (16). One end of each of the gas supply pipes (15) is connected to one side of the cooling box (14).
6. The energy-saving and efficient high-consistency pulp refiner as described in claim 1, characterized in that: The upper surfaces of the multiple grinding discs (10) are provided with material leakage holes, and the uppermost grinding disc (10) has the largest material leakage hole. The size of the material leakage holes gradually decreases from top to bottom.
7. The energy-saving and efficient high-consistency pulp refiner as described in claim 1, characterized in that: The bottom of the cooling box (14) is equipped with a discharge pipe (17), and a solenoid valve (18) is installed at the discharge port of the discharge pipe (17).