Water convection paper pulp precipitation device

Abstract

The utility model discloses a water convection paper pulp precipitation device which comprises a device frame body, a filtering barrel, a stirring rod, a precipitation barrel and a pulp conveying elbow pipe, the filtering barrel is fixed in the device frame body, and a pulp injection opening is formed in one side of the top end of the filtering barrel; a filtering chamber is arranged at the top of the filtering barrel, a mixing chamber is arranged at the bottom of the filtering barrel, the stirring rod is installed at the center of the top of the filtering chamber through a bearing, stirring rotary blades are welded to the outer wall of the stirring rod, and the slurry conveying bent pipes are installed on the outer wall of the bottom of the filtering barrel. The settling barrel is arranged below the filtering barrel, a through hole is formed in one side of the top end of the settling barrel, a slurry discharging pipe is arranged below the settling barrel, and a second valve is installed at the joint of the slurry discharging pipe and the settling barrel. According to the utility model, the filter screen can be prevented from being blocked, the efficiency is high, the convenience of slurry water extraction is improved, and the integration degree of filtration and precipitation is high.

Description

Technical Field

[0001] The utility model relates to the technical field of papermaking, in particular to a water convection pulp precipitation device. Background Art

[0002] The recycling of waste paper can save a lot of raw materials for pulping and papermaking. After recycling, the waste paper needs to be decomposed into usable pulp again, and the pulp needs to be precipitated before it can be put into papermaking equipment for production.

[0003] In current production, the recycled waste paper is put into a decomposition tank, then stirred by an internal stirring device, and then water is added to allow the moisture content of the pulp to reach a flowable state. The pulp then enters a filtering device to separate the pulp from paper ball impurities, and the separated pulp is precipitated. During filtering, the top-down filtering method is prone to paper balls clogging the filter plate, requiring workers to repeatedly clear them, which is very troublesome and affects work efficiency. Therefore, improvement is urgently needed. Utility Model Content

[0004] The purpose of the utility model is to provide a water convection pulp sedimentation device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a water convection pulp sedimentation device, comprising a device frame, a filter barrel, a stirring rod, a sedimentation barrel and a slurry delivery curved pipe, the filter barrel is fixed inside the device frame, and a grouting port is provided on one side of the top of the filter barrel, a filter chamber is provided on the top of the filter barrel and a mixing chamber is provided on the bottom of the filter barrel, the stirring rod is installed at the center position of the top of the filter chamber through a bearing, and stirring impellers are welded on the outer wall of the stirring rod, the slurry delivery curved pipes are installed on the outer wall of the bottom of the filter barrel, and the bottom end of the slurry delivery curved pipe is connected with the mixing chamber, the sedimentation barrel is arranged below the filter barrel, the sedimentation barrel is connected with the mixing chamber, and a through hole is provided on one side of the top of the sedimentation barrel, a slurry discharge pipe is provided below the sedimentation barrel, and a second valve is installed at the connection between the slurry discharge pipe and the sedimentation barrel.

[0006] Preferably, a first rotating driving member is installed at the center position of the top of the filter barrel, and the output end of the first rotating driving member is fixedly connected to the top of the stirring rod for driving the stirring rod.

[0007] Preferably, a slag discharge pipe is provided on the outer wall of the bottom of the filter barrel, and a first valve is installed at the connection between the slag discharge pipe and the filter barrel to facilitate the discharge of paper balls.

[0008] Preferably, a frame is fixed on one side of the top of the sedimentation barrel, and a screw rod is installed inside the frame through a bearing to facilitate adjustment of the height of the liquid collection pipe.

[0009] Preferably, an oblique opening is provided in the side wall of the filter barrel at the position of the pulp delivery bend pipe, and the oblique opening is communicated with the pulp delivery bend pipe to facilitate the discharge of pulp into the pulp delivery bend pipe.

[0010] Preferably, a filter screen is installed inside the oblique opening to facilitate filtering of the pulp.

[0011] Preferably, a second rotary drive member is installed at the top of the frame, and an output end of the second rotary drive member is fixedly connected to the top of the screw rod for driving the screw rod.

[0012] Preferably, a liquid collection pipe is provided on one side of the frame, the bottom end of which passes through the through hole and extends to the interior of the sedimentation barrel, and a pipe sleeve is fixed on the outer wall of the liquid collection pipe, one end of which extends to the interior of the frame and is threadedly connected to the screw rod to facilitate the extraction of slurry water.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the water convection pulp sedimentation device can not only prevent the filter screen from being blocked, has high efficiency, and improves the convenience of pulp water extraction, but also has a high degree of integration of filtration and sedimentation, does not need to be carried out in steps, and has higher efficiency;

[0014] (1) A filter barrel, a filter chamber, a first rotating drive member, a stirring rod, a stirring blade, an oblique opening, a filter screen, and a pulp delivery elbow are provided. The pulp is poured into the filter chamber inside the filter barrel through the grouting port, and water is injected into the filter chamber. Next, the first rotating drive member is started to drive the stirring rod to rotate, and the stirring rod drives the stirring blade to rotate to stir the pulp. The mechanical energy is transmitted to the pulp through the rotation of the stirring blade to cause the pulp to flow, forming forced convection. At this time, the pulp rotates inside the filter chamber and flows into the pulp delivery elbow through the oblique opening. The filter screen filters the pulp, so that the paper balls remain in the filter chamber, thereby achieving the purpose of separating the pulp from the paper balls. The design uses convection to filter the pulp, and the pulp flow filtration can prevent the filter screen from being blocked, and the efficiency is high.

[0015] (2) By providing a through hole, a liquid collection pipe, a pipe sleeve, a frame, a second rotating driving member, and a screw, the second rotating driving member is started to drive the screw to rotate, so that the pipe sleeve drives the liquid collection pipe to extend into the sedimentation barrel through the through hole, and the liquid collection pipe is adjusted to a suitable height so that the bottom end of the liquid collection pipe is located above the stratification point of the slurry and slurry water, so that the slurry water can be completely extracted, thereby improving the convenience of slurry water extraction;

[0016] (3) By providing a device frame, a filter barrel, a filter chamber, a mixing chamber, and a sedimentation barrel, the pulp is poured into the filter chamber inside the filter barrel through the grouting port, and water is injected into the filter chamber. The pulp is filtered inside the filter chamber. The filtered pulp enters the mixing chamber through the pulp delivery elbow for mixing, and then is discharged into the sedimentation barrel for sedimentation. This makes the filtration and sedimentation of the pulp highly integrated, does not need to be carried out in steps, and is more efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0018] Figure 2 This is an enlarged structural diagram of the filter barrel of the utility model;

[0019] Figure 3 This is a schematic diagram of the top view structure of the filter barrel of the utility model;

[0020] Figure 4 For the utility model Figure 3 The enlarged structural diagram at B in the middle;

[0021] Figure 5 For the utility model Figure 1 Enlarged structural diagram at A in the middle.

[0022] In the figure: 1. device frame; 2. filter barrel; 3. filter chamber; 4. first rotary drive member; 5. stirring rod; 6. stirring impeller; 7. grouting port; 8. slag discharge pipe; 9. first valve; 10. sedimentation barrel; 11. slurry discharge pipe; 12. second valve; 13. slurry delivery elbow; 14. mixing chamber; 15. oblique opening; 16. filter screen; 17. through hole; 18. liquid extraction pipe; 19. pipe sleeve; 20. frame; 21. second rotary drive member; 22. screw. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. All other embodiments obtained by ordinary technicians in the field without creative work based on the embodiments of the utility model shall fall within the scope of protection of the utility model.

[0024] See also Figure 1-5The utility model provides an embodiment: a water convection pulp sedimentation device, comprising a device frame 1, a filter barrel 2, a stirring rod 5, a sedimentation barrel 10 and a slurry delivery elbow 13, the filter barrel 2 is fixed inside the device frame 1, and a grouting port 7 is provided on one side of the top of the filter barrel 2, a filter chamber 3 is provided on the top of the filter barrel 2, and a mixing chamber 14 is provided at the bottom of the filter barrel 2, the stirring rod 5 is installed at the center of the top of the filter chamber 3 through a bearing, and the outer wall of the stirring rod 5 is welded with a stirring rotor 6, the slurry delivery elbow 13 is installed on the outer wall of the bottom of the filter barrel 2, and the bottom end of the slurry delivery elbow 13 is connected to the mixing chamber 14;

[0025] The first rotary drive member 4 is started to drive the stirring rod 5 to rotate, and the stirring rod 5 drives the stirring vane 6 to rotate to stir the pulp. The mechanical energy is transmitted to the pulp through the rotation of the stirring vane 6 to cause the pulp to flow and form forced convection. At this time, the pulp rotates inside the filter chamber 3 and flows into the pulp conveying elbow 13 through the inclined opening 15. The filter screen 16 filters the pulp so that the paper mass remains in the filter chamber 3, so as to achieve the purpose of separating the pulp and the paper mass. The inclined opening 15 is located at the bottom of the filter chamber 3 to ensure that the pulp can flow out completely. The first valve 9 is opened to discharge the paper mass through the slag discharge pipe 8. The design uses convection to filter the pulp. The pulp flow filtration can prevent the filter screen 16 from being blocked, and the efficiency is high.

[0026] The settling tank 10 is arranged below the filter tank 2, the settling tank 10 is connected to the mixing chamber 14, and a through hole 17 is arranged on one side of the top of the settling tank 10, a slurry discharge pipe 11 is arranged below the settling tank 10, and a second valve 12 is installed at the connection between the slurry discharge pipe 11 and the settling tank 10;

[0027] A first rotary drive member 4 is installed at the center of the top of the filter barrel 2, and the output end of the first rotary drive member 4 is fixedly connected to the top of the stirring rod 5 for driving the stirring rod 5;

[0028] A slag discharge pipe 8 is provided on the outer wall of the bottom of the filter barrel 2, and a first valve 9 is installed at the connection between the slag discharge pipe 8 and the filter barrel 2 to facilitate the discharge of paper balls;

[0029] A frame 20 is fixed to one side of the top of the sedimentation barrel 10, and a screw rod 22 is installed inside the frame 20 through a bearing to facilitate adjusting the height of the liquid collection pipe 18;

[0030] An oblique opening 15 is provided in the side wall of the filter barrel 2 at the position of the pulp delivery elbow 13, and the oblique opening 15 is communicated with the pulp delivery elbow 13 to facilitate the discharge of pulp into the pulp delivery elbow 13;

[0031] A filter screen 16 is installed inside the oblique opening 15 to facilitate filtering of the pulp;

[0032] A second rotary drive member 21 is installed at the top of the frame 20, and an output end of the second rotary drive member 21 is fixedly connected to the top of the screw rod 22 for driving the screw rod 22;

[0033] A liquid collection pipe 18 is provided on one side of the frame 20, the bottom end of the liquid collection pipe 18 passes through the through hole 17 and extends to the interior of the sedimentation barrel 10, and a pipe sleeve 19 is fixed on the outer wall of the liquid collection pipe 18, one end of the pipe sleeve 19 extends to the interior of the frame 20 and is threadedly connected to the screw rod 22, so as to facilitate the extraction of slurry water.

[0034] When the embodiment of the present application is in use: first, the pulp is poured into the filter chamber 3 inside the filter barrel 2 through the grouting port 7, and water is poured into the filter chamber 3. Secondly, the first rotary drive member 4 is started to drive the stirring rod 5 to rotate, and the stirring rod 5 drives the stirring vane 6 to rotate to stir the pulp. The mechanical energy is transmitted to the pulp through the rotation of the stirring vane 6 to cause the pulp to flow and form forced convection. At this time, the pulp rotates inside the filter chamber 3 and flows into the pulp conveying elbow 13 through the inclined opening 15. The filter screen 16 filters the pulp so that the paper ball remains in the filter chamber 3, thereby achieving the purpose of separating the pulp and the paper ball. The inclined opening 15 is located at the bottom of the filter chamber 3 to ensure that the pulp can flow out completely. The first valve 9 is opened to allow the paper ball to be discharged through the slag discharge pipe 8. This design adopts a convection method The pulp is filtered and the pulp flows and filtered, which can prevent the filter screen 16 from being blocked and has high efficiency. Then, the pulp delivery elbow 13 guides the filtered pulp into the mixing chamber 14, and the pulp is discharged into the sedimentation barrel 10, where it is precipitated and forms slurry and paddle water. The second valve 12 is opened to allow the slurry to be discharged through the pulp discharge pipe 11, and the second rotary drive member 21 is started to drive the screw rod 22 to rotate, so that the pipe sleeve 19 drives the liquid collection pipe 18 to extend into the sedimentation barrel 10 through the through hole 17. The liquid collection pipe 18 is adjusted to a suitable height so that the bottom end of the liquid collection pipe 18 is located above the stratification point of the slurry and slurry water, and the slurry water can be completely extracted, thereby improving the convenience of slurry water extraction. The device makes the filtration and sedimentation of the pulp highly integrated, does not need to be carried out in steps, and has higher efficiency.

Claims

1. A water convection pulp settling device, characterized in that: The invention comprises a device frame (1), a filter barrel (2), a stirring rod (5), a sedimentation barrel (10) and a slurry delivery elbow (13), wherein the filter barrel (2) is fixed inside the device frame (1), and a grouting port (7) is provided on one side of the top of the filter barrel (2), a filter chamber (3) is provided on the top of the filter barrel (2), and a mixing chamber (14) is provided on the bottom of the filter barrel (2), the stirring rod (5) is installed at the center position of the top of the filter chamber (3) via a bearing, and a stirring rod (5) is welded on the outer wall of the stirring rod (5). The rotary blade (6) is installed on the outer wall of the bottom of the filter barrel (2), and the bottom end of the slurry delivery curved pipe (13) is connected to the mixing chamber (14). The sedimentation barrel (10) is arranged below the filter barrel (2), the sedimentation barrel (10) is connected to the mixing chamber (14), and a through hole (17) is arranged on one side of the top of the sedimentation barrel (10). A slurry discharge pipe (11) is arranged below the sedimentation barrel (10), and a second valve (12) is installed at the connection between the slurry discharge pipe (11) and the sedimentation barrel (10).

2. A water convection pulp sedimentation device according to claim 1, characterized in that: A first rotating driving member (4) is installed at the center position of the top end of the filter barrel (2), and the output end of the first rotating driving member (4) is fixedly connected to the top end of the stirring rod (5).

3. A water convection pulp sedimentation device according to claim 1, characterized in that: A slag discharge pipe (8) is provided on the outer wall of the bottom of the filter barrel (2), and a first valve (9) is installed at the connection between the slag discharge pipe (8) and the filter barrel (2).

4. A water convection pulp settling device according to claim 1, characterized in that: A frame (20) is fixed to one side of the top end of the sedimentation barrel (10), and a screw rod (22) is installed inside the frame (20) via a bearing.

5. The water convection pulp settling device according to claim 1, characterized in that: An oblique opening (15) is provided in the side wall of the filter barrel (2) at the position of the slurry delivery bend pipe (13), and the oblique opening (15) is in communication with the slurry delivery bend pipe (13).

6. A water convection pulp settling device according to claim 5, characterized in that: A filter screen (16) is installed inside the oblique opening (15).

7. A water convection pulp settling device according to claim 4, characterized in that: A second rotary drive member (21) is mounted on the top of the frame (20), and an output end of the second rotary drive member (21) is fixedly connected to the top of the screw rod (22).

8. A water convection pulp settling device according to claim 4, characterized in that: A liquid collection pipe (18) is provided on one side of the frame (20), the bottom end of the liquid collection pipe (18) passes through the through hole (17) and extends to the interior of the sedimentation barrel (10), and a pipe sleeve (19) is fixed on the outer wall of the liquid collection pipe (18), one end of the pipe sleeve (19) extends to the interior of the frame (20) and is threadedly connected to the screw rod (22).

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