Pulping device for papermaking

By introducing heating, lifting, and crushing mechanisms into the pulping unit, the problem of substandard lignin was solved, the efficiency and pass rate of wood separation were improved, the operation process was simplified, and the practicality of the unit was enhanced.

CN223837802UActive Publication Date: 2026-01-27CHENGDU TIANTIAN PAPER IND CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520368663.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-05
Publication Date
2026-01-27
Estimated Expiration
2035-03-05

AI Technical Summary

Technical Problem

Existing pulping equipment for papermaking is prone to producing substandard lignin, requiring workers to cook and then screen and filter it, which is inconvenient to use.

Method used

A pulping device was designed, which includes heating, lifting and crushing mechanisms. The heating mechanism steams the wood, the lifting mechanism filters and cleans it, and the crushing mechanism separates lignin, thereby improving the quality of the wood and the efficiency of the work.

Benefits of technology

This technology enables rapid lignin separation from wood, improves the efficiency of the pulping unit and the quality rate of wood, simplifies the operation process, and enhances the practicality of the equipment.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223837802U_ABST
    Figure CN223837802U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of papermaking, in particular to a pulping device for papermaking, which comprises a shell. The heating mechanism is mounted in the bottom of the shell; the first lifting mechanism is mounted on the surface of the shell; the second lifting mechanism is mounted on the surface of the shell; the placing mechanism is arranged at one end of the first lifting mechanism; the crushing mechanism is arranged at the top of the second lifting mechanism; according to the pulping device for papermaking, by arranging the second lifting mechanism and the smashing mechanism, wood in the shell can be smashed conveniently, the heating area of the wood can be increased, lignin can be separated from the wood rapidly, and the working efficiency of the device is improved; by arranging the first lifting mechanism and the placing mechanism, wood can be conveniently filtered, the percent of pass of the wood is increased, then the placing frame is lifted out of the shell through the first lifting mechanism, groove holes in the surface of the placing frame are conveniently cleaned, and the practicability of the device is improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of papermaking technology, specifically to a pulping device for papermaking. Background Technology

[0002] Paper is a sheet-like fibrous product used for writing, printing, painting, or packaging. It is generally made by interlacing a suspension of plant fibers that have undergone pulping treatment on a wire mesh, initially dehydrating them, and then compressing and drying them. The paper industry uses virgin plant fibers such as wood, bamboo, and reeds, as well as recycled fibers such as waste paper, as raw materials. It is a resource-constrained industry, highly dependent on fiber sources. Pulping is the process of separating fibers from plant fiber raw materials to obtain pulp. Pulping methods can be mainly divided into mechanical, chemical, and chemimechanical methods, producing mechanical pulp, chemical pulp, and chemimechanical pulp, respectively.

[0003] However, current pulping equipment for papermaking is prone to producing substandard lignin, requiring workers to screen and filter the lignin after cooking, which is inconvenient. Therefore, we propose a pulping equipment for papermaking. Utility Model Content

[0004] One of the technical problems that this application aims to solve is that current pulping equipment for papermaking is prone to producing substandard lignin, requiring workers to screen and filter the lignin after cooking, which is inconvenient to use.

[0005] To address the aforementioned technical problems, this application provides a pulping apparatus for papermaking, comprising: a housing;

[0006] The heating mechanism is installed inside the bottom of the housing;

[0007] The first lifting mechanism is installed on the surface of the housing;

[0008] The second lifting mechanism is installed on the surface of the housing;

[0009] A placement mechanism is located at one end of the first lifting mechanism;

[0010] The crushing mechanism is located on top of the second lifting mechanism;

[0011] The base is installed at the four corners of the bottom plate of the housing.

[0012] In some embodiments, the heating mechanism includes a heating base installed at the bottom inside the housing, a plurality of electric heating rods being arranged in a circumferential array on the surface of the heating base, the heating mechanism also including a baffle installed inside the housing, the heating mechanism including a drain pipe, one end of which is welded to the surface of the housing, and a gate valve being installed inside the drain pipe.

[0013] In some embodiments, the first lifting mechanism includes a first motor, the output end of the first motor is equipped with a first threaded rod, the surface of the first threaded rod is threadedly connected to a first threaded cylinder, the surface of the first threaded cylinder is welded with a first connecting frame, the first lifting mechanism also includes a first slide rail, the surface of the first slide rail is slidably connected to a first slider, and one end of the first slider is connected to a second connecting frame.

[0014] In some embodiments, the first motor is mounted on the surface of the housing, and the first slide rail is mounted on the surface of the housing.

[0015] In some embodiments, the placement mechanism includes a placement frame installed at one end of a first connecting frame and a second connecting frame, and the surface of the placement frame is provided with a plurality of slots arranged in a circumferential array.

[0016] In some embodiments, the second lifting mechanism includes a second motor and a second slide rail, both of which are mounted on the surface of the housing. A second threaded rod is mounted on the output end of the second motor, and a threaded sleeve is threadedly connected to the surface of the second threaded rod. A slide cylinder is slidably connected to the surface of the second slide rail, and a top plate is mounted on the top of the threaded sleeve and the slide cylinder.

[0017] In some embodiments, the crushing mechanism includes a third motor, the output end of which is equipped with a rotating shaft, and the surface of the rotating shaft is equipped with crushing blades. The third motor is mounted on the top of the top plate.

[0018] This utility model has at least the following beneficial effects:

[0019] By setting up a second lifting mechanism and a crushing mechanism, it is convenient to crush the wood inside the shell and increase the heating area of ​​the wood, which facilitates the rapid separation of lignin from the wood and improves the working efficiency of the device.

[0020] By setting up a first lifting mechanism and a placement mechanism, the wood can be filtered more easily, increasing the wood's pass rate. The first lifting mechanism then raises the placement frame outside the housing, making it easier to clean the grooves on the surface of the placement frame, thus improving the practicality of the device. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0022] Figure 2 This is a three-dimensional structural diagram of the present invention;

[0023] Figure 3 This is a three-dimensional cross-sectional structural diagram of the present invention;

[0024] Figure 4 This is a frontal cross-sectional view of the present invention.

[0025] In the diagram: 1-Shell; 2-Base; 3-Heating mechanism; 301-Heating base; 302-Electric heating rod; 304-Baffle; 305-Drain pipe; 306-Gate valve; 4-First lifting mechanism; 401-First motor; 402-First threaded rod; 403-First threaded cylinder; 404-First connecting frame; 405-First slide rail; 406-First slider; 407-Second connecting frame; 5-Placement mechanism; 501-Placement frame; 502-Slot; 6-Second lifting mechanism; 601-Second motor; 602-Second threaded rod; 603-Threaded sleeve; 604-Second slide rail; 605-Slide cylinder; 606-Top plate; 7-Crushing mechanism; 701-Third motor; 702-Rotating shaft; 703-Crushing blade. Detailed Implementation

[0026] 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.

[0027] Please see Figure 1-4 This utility model provides a technical solution: a pulping device for papermaking, comprising: a shell 1;

[0028] Heating mechanism 3 is installed inside the bottom of housing 1;

[0029] The first lifting mechanism 4 is installed on the surface of the housing 1;

[0030] The second lifting mechanism 6 is installed on the surface of the housing 1;

[0031] The placement mechanism 5 is located at one end of the first lifting mechanism 4;

[0032] The crushing mechanism 7 is located on top of the second lifting mechanism 6;

[0033] Base 2 is installed at the four corners of the bottom plate of housing 1.

[0034] Specifically, the heating mechanism 3 includes a heating base 2, which is installed at the bottom inside the housing 1. Multiple electric heating rods 302 are arranged in a circumferential array on the surface of the heating base 301. The heating mechanism 3 also includes a baffle 304, which is installed inside the housing 1. The heating mechanism 3 includes a drain pipe 305, one end of which is welded to the surface of the housing 1. A gate valve 306 is installed inside the drain pipe 305. The electric heating rods 302 heat and cook the chemical solution and wood inside the housing 1 to separate lignin from the wood. By opening the gate valve 306 inside the drain pipe 305, the cooked lignin is discharged from the housing 1.

[0035] Specifically, the first lifting mechanism 4 includes a first motor 401, with a first threaded rod 402 mounted on the output end of the first motor 401. A first threaded cylinder 403 is threadedly connected to the surface of the first threaded rod 402, and a first connecting frame 404 is welded to the surface of the first threaded cylinder 403. The first lifting mechanism 4 also includes a first slide rail 405, with a first slider 406 slidably connected to the surface of the first slide rail 405. One end of the first slider 406 is connected to a second connecting frame 407. The first motor 401 is mounted on the surface of the housing 1, and the first slide rail 405 is mounted on the surface of the housing 1. The placement mechanism 5 includes a placement frame 501, which is mounted on the first connecting frame 404 and the second connecting frame 407. At one end, the surface of the placement frame 501 has multiple slots 502 arranged in a circumferential array. The appropriate lignin after cooking is filtered through the slots 502 on the surface of the placement frame 501. Then, by opening the gate valve 306 inside the drain pipe 305, the cooked lignin is discharged from the shell 1. Then, by setting the first motor 401 to drive the first threaded rod 402 to rotate, the first threaded cylinder 403 moves, and the first connecting frame 404 rises and falls. This causes the first slide rail 405 and the first slider 406 to rise and fall, and the second connecting frame 407 to rise and fall, thereby raising and lowering the placement mechanism 5 and lifting the placement frame 501 out of the shell 1, so as to facilitate cleaning of the slots 502 of the placement frame 501 and the inside of the shell 1.

[0036] Specifically, the second lifting mechanism 6 includes a second motor 601 and a second slide rail 604, both mounted on the surface of the housing 1. A second threaded rod 602 is mounted on the output end of the second motor 601, and a threaded sleeve 603 is threadedly connected to the surface of the second threaded rod 602. A slide cylinder 605 is slidably connected to the surface of the second slide rail 604, and a top plate 606 is mounted on the top of the threaded sleeve 603 and the slide cylinder 605. The crushing mechanism 7 includes a third motor 701, a rotating shaft 702 is mounted on the output end of the third motor 701, and a crushing blade 703 is mounted on the surface of the rotating shaft 702. The motor 701 is installed on the top of the top plate 606. The second motor 601 drives the second threaded rod 602 to rotate, causing the threaded sleeve 603 to rise and fall. In conjunction with the second slide rail 604 and the slide cylinder 605, the top plate 606 is raised and lowered, bringing the top plate 606 into contact with the top of the housing 1 and sealing the housing 1. The electric heating rod 302 heats and steams the chemical solution and wood inside the housing 1. Then, the third motor 701 drives the rotating shaft 702 to rotate, causing the crushing blade 703 to rotate, steaming and crushing the wood inside the placement frame 501 at the same time, separating the lignin from the wood.

[0037] All electrical devices in this utility model are powered by an external power source;

[0038] Working principle: The wood to be steamed is placed inside the placement frame 501. Chemical solutions are added to the inside of the shell 1. The second motor 601 drives the second threaded rod 602 to rotate, causing the threaded sleeve 603 to rise and fall. This, in conjunction with the second slide rail 604 and the slide cylinder 605, causes the top plate 606 to rise and fall, bringing the top plate 606 into contact with the top of the shell 1 and sealing the shell 1. The electric heating rod 302 heats and steams the chemical solutions and wood inside the shell 1. Then, the third motor 701 drives the rotating shaft 702 to rotate, causing the pulverizing blade 703 to rotate, simultaneously steaming and pulverizing the wood inside the placement frame 501, separating the lignin from the wood. This facilitates subsequent papermaking. The appropriate lignin after cooking is filtered through the slots 502 on the surface of the placement frame 501. The cooked lignin is discharged from the shell 1 by opening the gate valve 306 inside the drain pipe 305. The first motor 401 drives the first threaded rod 402 to rotate, causing the first threaded cylinder 403 to move and the first connecting frame 404 to rise and fall. This causes the first slide rail 405 and the first slider 406 to rise and fall, and the second connecting frame 407 to rise and fall, thereby raising and lowering the placement mechanism 5. The placement frame 501 is then lifted out of the shell 1, making it easier to clean the slots 502 of the placement frame 501 and the inside of the shell 1.

[0039] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0040] 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. A pulping apparatus for papermaking, characterized in that, include: Shell (1); Heating mechanism (3) is installed inside the bottom of housing (1); The first lifting mechanism (4) is installed on the surface of the housing (1); The second lifting mechanism (6) is installed on the surface of the housing (1); The placement mechanism (5) is located at one end of the first lifting mechanism (4); The crushing mechanism (7) is located on top of the second lifting mechanism (6); The base (2) is installed at the four corners of the bottom plate of the housing (1).

2. The pulping apparatus for papermaking according to claim 1, characterized in that: The heating mechanism (3) includes a heating base (2) installed at the bottom inside the housing (1). Multiple electric heating rods (302) are arranged in a circumferential array on the surface of the heating base (301). The heating mechanism (3) also includes a baffle (304) installed inside the housing (1). The heating mechanism (3) includes a drain pipe (305) with one end welded to the surface of the housing (1). A gate valve (306) is installed inside the drain pipe (305).

3. The pulping apparatus for papermaking according to claim 1, characterized in that: The first lifting mechanism (4) includes a first motor (401), the output end of the first motor (401) is equipped with a first threaded rod (402), the surface of the first threaded rod (402) is threadedly connected to a first threaded cylinder (403), the surface of the first threaded cylinder (403) is welded with a first connecting frame (404), the first lifting mechanism (4) also includes a first slide rail (405), the surface of the first slide rail (405) is slidably connected to a first slider (406), and one end of the first slider (406) is connected to a second connecting frame (407).

4. The pulping apparatus for papermaking according to claim 3, characterized in that: The first motor (401) is mounted on the surface of the housing (1), and the first slide rail (405) is mounted on the surface of the housing (1).

5. The pulping apparatus for papermaking according to claim 3, characterized in that: The placement mechanism (5) includes a placement frame (501), which is installed at one end of the first connecting frame (404) and the second connecting frame (407). The surface of the placement frame (501) is provided with a plurality of slots (502) arranged in a circumferential array.

6. The pulping apparatus for papermaking according to claim 1, characterized in that: The second lifting mechanism (6) includes a second motor (601) and a second slide rail (604), both of which are mounted on the surface of the housing (1). The output end of the second motor (601) is equipped with a second threaded rod (602). A threaded sleeve (603) is threadedly connected to the surface of the second threaded rod (602). A slide cylinder (605) is slidably connected to the surface of the second slide rail (604). A top plate (606) is mounted on the top of the threaded sleeve (603) and the slide cylinder (605).

7. The pulping apparatus for papermaking according to claim 6, characterized in that: The crushing mechanism (7) includes a third motor (701), the output end of which is equipped with a rotating shaft (702), and the surface of the rotating shaft (702) is equipped with a crushing blade (703). The third motor (701) is installed on the top of the top plate (606).