Improved papermaking hydrapulper

Abstract

The utility model relates to the technical field of papermaking pulping equipment, in particular to an improved papermaking hydrapulper which comprises a tank body. The rotating shaft is rotationally arranged in the tank body; the stirring mechanism comprises a first stirring paddle and a second stirring paddle which are arranged on the rotating shaft at an interval, and the stirring directions of the first stirring paddle and the second stirring paddle are opposite; the blade is arranged between the first stirring paddle and the second stirring paddle; the problems that a traditional papermaking hydrapulper is low in smashing efficiency and cannot promote suspension liquid homogenization are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of papermaking pulping equipment, in particular to an improved papermaking hydraulic pulper. Background Art

[0002] Papermaking hydraulic pulper is a kind of equipment used in the pulp production process. Its main function is to break up and disperse the waste paper, plant fiber and other raw materials into fiber suspension through mechanical and hydraulic action, so as to provide raw materials for the subsequent pulping and papermaking process. The structure of papermaking hydraulic pulper mainly includes the following parts: feeding device, high-speed rotating blade and discharging device.

[0003] Most of the existing papermaking hydraulic pulpers only crush the papermaking raw materials by blades, but the efficiency of crushing the papermaking raw materials by blades alone is low, the production time of pulp is long, and the time cost of production is increased. In addition, due to the effect of gravity, sedimentation will occur in the lower part of the papermaking hydraulic pulper, and the existing devices cannot handle it, resulting in inhomogeneous suspension. Therefore, it is necessary to develop a papermaking hydraulic pulper with high crushing efficiency and promoting suspension homogeneity. Utility Model Content

[0004] The utility model aims to provide an improved papermaking hydraulic pulper, which solves the problems of low crushing efficiency and failure to promote homogenization of suspension in traditional papermaking hydraulic pulpers.

[0005] The technical solution adopted by the utility model to solve its technical problems is:

[0006] The utility model provides an improved papermaking hydraulic pulper, comprising a tank body; a rotating shaft, which is rotatably arranged in the tank body; a stirring mechanism, which comprises a first stirring paddle and a second stirring paddle arranged at intervals on the rotating shaft, and the stirring directions of the first stirring paddle and the second stirring paddle are opposite; and a blade, which is arranged between the first stirring paddle and the second stirring paddle.

[0007] Preferably, a feed inlet and a water valve are respectively provided on both sides of the upper portion of the tank body.

[0008] Preferably, a motor is provided on the upper portion of the tank body, and the top of the rotating shaft passes through the tank body and is connected to the motor.

[0009] Preferably, a heat-spreading cylinder is provided on the inner wall of the tank body, and an electric heating sheet is embedded in the side wall of the tank body, and the electric heating sheet is in contact with the heat-spreading cylinder.

[0010] Preferably, temperature sensors are provided on the upper and lower parts of the heat equalizing cylinder.

[0011] Preferably, a discharge port is provided at the lower portion of the tank body.

[0012] Preferably, a scraper is provided at the lower portion of the rotating shaft.

[0013] Preferably, the lower portion of the tank body is provided with supporting legs.

[0014] Technical effects of the utility model:

[0015] Compared with the prior art, the improved papermaking hydraulic pulper involved in the utility model realizes convection stirring by arranging a first stirring paddle and a second stirring paddle in opposite directions in cooperation with a blade, so that the device can realize convection stirring, and then the blade can break up the fast-flowing raw material to form a suspension, which greatly improves the crushing efficiency of the device and shortens the production time of pulp; by arranging a scraper to stir the raw material deposited in the lower part of the tank body, the problem of inhomogeneous suspension caused by the deposition of raw materials in the lower part of the tank body is avoided; by arranging a heating cylinder, the suspension can be evenly heated, thereby improving the softness and dispersibility of the fiber and making the crushing efficiency higher. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2 For the utility model Figure 1 Longitudinal section view of .

[0018] in:

[0019] 1. Tank body; 2. Feed inlet; 3. Water valve; 4. Motor; 5. Support legs; 6. Discharge port; 7. First stirring paddle; 8. Second stirring paddle; 9. Blade; 10. Electric heating plate; 11. Heat-saturating cylinder; 12. Temperature sensor; 13. Scraper; 14. Rotating shaft. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solution and advantages of the embodiments of the present utility model clearer, the technical solution in the embodiments of the present utility model will be clearly and completely described below in conjunction with the drawings of the present utility model specification.

[0021] Example:

[0022] like Figure 1 , 2As shown, an improved papermaking hydraulic pulper described in this embodiment includes a tank body 1, wherein a support leg 5 is provided at the lower part of the tank body 1; a rotating shaft 14, wherein the rotating shaft 14 is rotatably arranged in the tank body 1, wherein a scraper 13 is provided at the lower part of the rotating shaft 14, wherein the scraper 13 is used to stir the raw materials deposited at the lower part of the tank body 1, thereby avoiding the problem of inhomogeneous suspension caused by the deposition of raw materials at the lower part of the tank body 1; a stirring mechanism, wherein the stirring mechanism includes a first stirring paddle 7 and a second stirring paddle 8 arranged at intervals on the rotating shaft 14, wherein the stirring directions of the first stirring paddle 7 and the second stirring paddle 8 are opposite, and the first stirring paddle 7 and the second stirring paddle 8 in opposite directions can realize convection stirring, thereby increasing the flow rate of the suspension between the first stirring paddle 7 and the second stirring paddle 8; and a blade 9, wherein the blade 9 is arranged between the first stirring paddle 7 and the second stirring paddle 8, wherein the blade 9 can crush the fast-flowing raw materials to form a suspension, thereby greatly improving the crushing efficiency of the device and shortening the production time of pulp.

[0023] A feed port 2 and a water valve 3 are respectively provided on both sides of the upper part of the tank body 1, a motor 4 is provided on the upper part of the tank body 1, the top of the rotating shaft 14 passes through the tank body 1 and is connected to the motor 4, a heat equalizing cylinder 11 is provided on the inner wall of the tank body 1, and temperature sensors 12 are provided on the upper and lower parts of the heat equalizing cylinder 11, an electric heating plate 10 is embedded in the side wall of the tank body 1, and the electric heating plate 10 is fitted with the heat equalizing cylinder 11. By providing the heat equalizing cylinder 11, the suspension can be evenly heated, thereby improving the softness and dispersibility of the fiber and making the crushing efficiency higher, and a discharge port 6 is opened at the lower part of the tank body 1.

[0024] How it works

[0025] When pulping for papermaking, firstly, the raw material and water are respectively input into the tank body 1 from the feed port 2 and the water valve 3, and then the electric heating plate 10 is started to heat the equalizing tube 11. The temperature of the equalizing tube 11 rises evenly, and the temperature of the raw material and water rises. The motor 4 is started to drive the rotating shaft 14 to rotate, and the first stirring paddle 7 and the second stirring paddle 8 rotate rapidly to perform convection stirring on the water and the raw material. The blade 9 rotates to break the fast-flowing water and raw material to form a suspension. The scraper 13 at the bottom of the rotating shaft 14 stirs the raw material deposited at the bottom of the tank body 1 to avoid raw material deposition. After a period of time, the discharge port 6 is opened to discharge the pulp to complete the pulp production.

[0026] Utilizing the technical solution described in the utility model, or those skilled in the art designing similar technical solutions inspired by the technical solution of the utility model to achieve the above-mentioned technical effects, all fall within the protection scope of the utility model.

Claims

1. An improved papermaking hydraulic pulper, characterized in that: include: Tank; A rotating shaft, the rotating shaft is rotatably disposed in the tank body; A stirring mechanism, the stirring mechanism comprising a first stirring paddle and a second stirring paddle arranged on the rotating shaft at an interval, wherein the stirring directions of the first stirring paddle and the second stirring paddle are opposite; A blade is disposed between the first stirring paddle and the second stirring paddle.

2. The improved papermaking hydraulic pulper according to claim 1, characterized in that: A feed inlet and a water valve are respectively arranged on both sides of the upper part of the tank body.

3. The improved papermaking hydraulic pulper according to claim 1, characterized in that: A motor is arranged on the upper part of the tank body, and the top of the rotating shaft passes through the tank body and is connected with the motor.

4. The improved papermaking hydraulic pulper according to claim 1, characterized in that: A heat-saturating cylinder is arranged on the inner wall of the tank body, and an electric heating sheet is embedded in the side wall of the tank body, and the electric heating sheet is fitted with the heat-saturating cylinder.

5. An improved papermaking hydraulic pulper according to claim 4, characterized in that: The upper part and the lower part of the heat soaking cylinder are both provided with temperature sensors.

6. The improved papermaking hydraulic pulper according to claim 1, characterized in that: A discharge port is provided at the lower part of the tank body.

7. The improved papermaking hydraulic pulper according to claim 1, characterized in that: A scraper is provided at the lower part of the rotating shaft.

8. The improved papermaking hydraulic pulper according to claim 1, characterized in that: The lower part of the tank body is provided with supporting legs.

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