CN216040407U

CN216040407U - Paper grade (stock) high-efficient edulcoration device

Info

Publication number: CN216040407U
Application number: CN202122659802.1U
Authority: CN
Inventors: 陈静; 郑浦
Original assignee: Henan Qiuyue Industrial Co ltd
Current assignee: Henan Qiuyue Industrial Co ltd
Priority date: 2021-11-02
Filing date: 2021-11-02
Publication date: 2022-03-15
Anticipated expiration: 2031-11-02

Abstract

The utility model provides a paper pulp efficient impurity removal device for papermaking, which comprises a barrel with a conical lower part, wherein a spiral groove extending to the bottom of the barrel is formed in the inner wall of the barrel; a slag blocking cover and an inclined plate filler are arranged in the settling tank, and an outlet is formed in the bottom of the settling tank; the export is connected through the slag inlet of row's cinder pipe with screw conveyer, is equipped with the scum pump on the row's cinder pipe, and screw conveyer's bottom is equipped with the otter board, and screw conveyer's below is equipped with leads the thick liquid cover, is equipped with many guide arms in the screw conveyer, and the slip is equipped with the baffle on the guide arm, and the cover is equipped with the spring on the guide arm, and screw conveyer bottom still is equipped with the slag notch. The utility model has simple and ingenious structural design, can efficiently remove impurities such as gravel and the like in paper pulp, reduces the production cost of enterprises and improves the production efficiency.

Description

Paper grade (stock) high-efficient edulcoration device

Technical Field

The utility model relates to the technical field of slurry desanding in the paper making industry, in particular to a high-efficiency impurity removing device for paper making pulp.

Background

The paper pulp is a fibrous substance prepared by using plant fibers as raw materials through different processing methods. Mechanical pulp, chemical pulp and chemimechanical pulp can be classified according to the processing method; the fiber raw materials can also be divided into wood pulp, straw pulp, hemp pulp, reed pulp, cane pulp, bamboo pulp, rag pulp and the like according to the used fiber raw materials. And can be divided into refined pulp, bleached pulp, unbleached pulp, high-yield pulp, semi-chemical pulp and the like according to different purities. Are commonly used in the manufacture of paper and paperboard. Refined pulp is often used as a raw material for producing cellulose derivatives such as cellulose esters and cellulose ethers, in addition to specialty paper. Also used in the fields of artificial fiber, plastic, paint, film, gunpowder and the like. The slurry desanding device in the prior art is complex in structure, poor in gravel removing effect and high in manufacturing cost, and increases the operating cost of enterprises.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-efficiency impurity removing device for paper pulp for papermaking, aiming at the defects of the prior art, and the specific scheme is as follows:

a high-efficiency paper pulp impurity removal device for papermaking comprises a barrel with a conical lower part, wherein a spiral groove extending to the bottom of the barrel is formed in the inner wall of the barrel, a pulp inlet pipe is formed in the side wall of the barrel, a barrel cover is movably arranged at the top of the barrel, a filter screen is arranged in the barrel cover, a pulp outlet is formed in the top of the barrel cover and connected with one end of a pulp discharge pipe, a pulp discharge pump is arranged on the pulp discharge pipe, and a base at the bottom of the barrel is arranged at a liquid inlet of a settling tank; a slag blocking cover is arranged in the sedimentation tank corresponding to the liquid inlet, inclined plate packing is also arranged in the sedimentation tank, and an outlet is arranged at the bottom of the sedimentation tank; the export is connected through the slag inlet of the screw conveyer that the scum pipe set up with the slope, be equipped with the scum pump on the scum pipe, screw conveyer's bottom is equipped with the otter board, screw conveyer's below be equipped with the thick liquid cover that leads that the otter board corresponds, the bottom of leading the thick liquid cover extends to the thick liquid collecting box, is equipped with many guide arms in the screw conveyer, it is equipped with the baffle to slide on the guide arm, and the cover is equipped with the spring that exerts tension to the baffle on the guide arm, and screw conveyer's bottom still is equipped with the slag notch, the slag notch extends to album sediment case.

Based on the above, the bottom of the slurry collecting box is provided with a return pipe extending to the slurry inlet pipe, and the return pipe is provided with a return pump.

Based on the above, the tangent line of the barrel body at the intersection of the pulp inlet pipe and the barrel body is parallel to the axis of the pulp inlet pipe at the intersection.

Compared with the prior art, the utility model has substantive characteristics and progress, and particularly has the following advantages:

1. according to the utility model, the structural design of the barrel and the settling tank can enable impurities in paper pulp to be rapidly settled, the settled impurities are discharged into the screw conveyer through the slag discharge pipe and the slag discharge pump to be separated from the paper pulp again, the impurities generated by filtering are discharged into the pulp inlet pipe through the return pipe and the return pump to be desanded again, and the impurities enter the slag collecting tank.

2. According to the utility model, the tangent line of the cylinder body at the intersection of the pulp inlet pipe and the cylinder body is parallel to the axis of the pulp inlet pipe at the intersection, and the structural design can effectively enhance the swirling effect of the pulp entering the cylinder body along the spiral groove and improve the impurity precipitation efficiency.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

In the figure: 1. a barrel; 2. a cylinder cover; 3. a pulp inlet pipe; 4. a filter screen; 5. a settling tank; 6. a pulp outlet; 7. a slurry discharge pipe; 8. a slurry discharging pump; 9. filling materials of the inclined plate; 10. a slag blocking cover; 11. a slag discharge pipe; 12. a slag discharge pump; 13. a screw conveyor; 14. a slag inlet; 15. a screen plate; 16. a slurry guide cover; 17. a slurry collecting box; 18. a return pipe; 19. a reflux pump; 20. a baffle plate; 21. a guide bar; 22. a spring; 23. a slag outlet; 24. a slag collection box.

Detailed Description

The technical solution of the present invention is further described in detail by the following embodiments.

Examples

As shown in figure 1, the utility model provides a paper pulp high-efficiency impurity removal device for papermaking, which comprises a barrel body 1 with a conical lower part, wherein a spiral groove extending to the bottom of the barrel body 1 is formed in the inner wall of the barrel body 1, a pulp inlet pipe 3 is arranged on the side wall of the barrel body 1, a barrel cover 2 is movably arranged at the top of the barrel body 1, a filter screen 4 is arranged in the barrel cover 2, a pulp outlet 6 is formed in the top of the barrel cover 2, the pulp outlet 6 is connected with one end of a pulp discharge pipe 7, a pulp discharge pump 8 is arranged on the pulp discharge pipe 7, and the bottom of the barrel body 1 is arranged at a liquid inlet of a settling tank 5; a slag blocking cover 10 is arranged in the sedimentation tank 5 corresponding to the liquid inlet, an inclined plate filler 9 is also arranged in the sedimentation tank 5, and an outlet is arranged at the bottom of the sedimentation tank 5; the export is connected with the slag inlet 14 of the screw conveyer 13 that the slope set up through the scum pipe 11, be equipped with scum pump 12 on the scum pipe 11, screw conveyer 13's bottom is equipped with otter board 15, screw conveyer 13's below be equipped with what otter board 15 corresponds leads thick liquid cover 16, the bottom of leading thick liquid cover 16 extends to thick liquid collecting box 17, is equipped with many guide arms 21 in the screw conveyer 13, the slip is equipped with baffle 20 on the guide arm 21, and the cover is equipped with to exert tensile spring 22 to baffle 20 on the guide arm 21, and screw conveyer 13's bottom still is equipped with slag notch 23, slag notch 23 extends to album sediment case 24.

In order to facilitate the recycling of the slurry in the slurry collecting tank 17, a return pipe 18 extending to the slurry inlet pipe 3 is arranged at the bottom of the slurry collecting tank 17, and a return pump 19 is arranged on the return pipe 18.

In order to improve the rotational flow effect of the slurry entering the cylinder body 1 and further improve the impurity precipitation efficiency in the paper pulp, the tangent line at the intersection of the slurry inlet pipe 3 and the cylinder body 1 on the cylinder body 1 is parallel to the axis of the slurry inlet pipe 3 at the intersection.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the utility model or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the utility model as defined by the appended claims.

Claims

1. The utility model provides a high-efficient edulcoration device of paper grade (stock), its characterized in that: the device comprises a barrel (1) with a conical lower part, wherein a spiral groove extending to the bottom of the barrel (1) is formed in the inner wall of the barrel (1), a slurry inlet pipe (3) is formed in the side wall of the barrel (1), a barrel cover (2) is movably arranged at the top of the barrel (1), a filter screen (4) is arranged in the barrel cover (2), a slurry outlet (6) is formed in the top of the barrel cover (2), the slurry outlet (6) is connected with one end of a slurry discharge pipe (7), a slurry discharge pump (8) is arranged on the slurry discharge pipe (7), and the bottom of the barrel (1) is arranged at a liquid inlet of a settling box (5); a slag blocking cover (10) is arranged in the sedimentation tank (5) corresponding to the liquid inlet, an inclined plate filler (9) is also arranged in the sedimentation tank (5), and an outlet is arranged at the bottom of the sedimentation tank (5); the export is connected through advancing cinder notch (14) of the screw conveyer (13) that row's cinder pipe (11) set up with the slope, be equipped with row's cinder pump (12) on row's cinder pipe (11), the bottom of screw conveyer (13) is equipped with otter board (15), the below of screw conveyer (13) be equipped with the thick liquid cover (16) of leading that otter board (15) correspond, the bottom of leading thick liquid cover (16) extends to slurry collecting box (17), is equipped with many guide arms (21) in screw conveyer (13), it is equipped with baffle (20) to slide on guide arm (21), and the cover is equipped with spring (22) that apply tension to baffle (20) on guide arm (21), and the bottom of screw conveyer (13) still is equipped with slag notch (23), slag notch (23) extend to slag collecting box (24).

2. The efficient impurity removing device for paper making pulp according to claim 1, characterized in that: the bottom of the slurry collecting box (17) is provided with a return pipe (18) extending to the slurry inlet pipe (3), and the return pipe (18) is provided with a return pump (19).

3. The efficient impurity removing device for paper making pulp according to claim 1, characterized in that: the tangent line of the barrel body (1) at the intersection of the pulp inlet pipe (3) and the barrel body (1) is parallel to the axis of the pulp inlet pipe (3) at the intersection.