CN212000360U

CN212000360U - Novel flotation slag remover pipeline structure

Info

Publication number: CN212000360U
Application number: CN202020249528.3U
Authority: CN
Inventors: 姜艳春; 贾灵波; 王智广; 高杰; 刘少杰
Original assignee: Zhejiang Shanying Paper Industry Co Ltd
Current assignee: Zhejiang Shanying Paper Industry Co Ltd
Priority date: 2020-03-04
Filing date: 2020-03-04
Publication date: 2020-11-24
Anticipated expiration: 2030-03-04

Abstract

The utility model provides a novel flotation slag remover pipeline structure belongs to papermaking technical field. The high-level tank is connected with the primary screening white water pool through a pulp inlet pipe of the flotation screen pulp inlet pump, and the pulp outlet pipe of the flotation screen pulp inlet pump is connected with the flotation slag cleaning machine. Tailings in the primary screening white water pool are pumped into the flotation slag removing machine through a pulp inlet pipe of the flotation screen pulp inlet pump and pumped into the flotation slag removing machine through a pulp outlet pipe, then are conveyed into the high-level tank through a slag removing pipe of the flotation slag removing machine and finally reach the impurity separator to be subjected to impurity separation, and when the slag removing pipe is blocked and needs to be dredged, the slag discharging assembly can directly discharge the tailings into a slag settling well of the pulper, so that the problem that the concentration of the white water pool is increased to influence the productivity when faults are treated is solved.

Description

Novel flotation slag remover pipeline structure

Technical Field

The utility model belongs to the technical field of the papermaking, a novel flotation scarfing cinder machine pipeline structure is related to.

Background

In the process of papermaking production, a pulping process is to pulp a mixture of waste paper and water through a pulper, the pulping effect directly affects the production efficiency of the whole papermaking process and the quality of finished paper, and as the waste paper is often doped with a lot of impurities which can block a sieve plate of the pulper in the pulping process and affect the pulping efficiency, a slag cleaning machine is often used for cleaning garbage in the pulper in time so as to improve the pulping efficiency of the pulper;

and the flotation slag removing machine reaches the slag removing pipe that easily blocks up the flotation slag removing machine when waste paper contains great sediment volume, and the sediment pipe mediation process needs to stop the slurry supply pump, because mediation time is long, the tailings of two-stage process coarse screen gets into in the white water pond for a long time, can cause the concentration in white water pond too high to influence the productivity of whole pulping line.

In order to overcome the defects of the prior art, people continuously explore and propose various solutions, for example, a continuous slag removal system is disclosed in a Chinese patent application number: 201320260513.7], comprising a pulper, a sediment well, a slag discharge pump and a slag remover, wherein the slag discharge port of the pulper is communicated with the slag inlet of the sediment well, the slag discharge port of the sediment well is communicated with the input end of the slag discharge pump, the output end of the slag discharge pump is communicated with the feed inlet of the slag remover, the slag discharge pump comprises a pump body, a slurry inlet pipe and a slurry outlet pipe which are arranged on the pump body, a slag collecting chamber is arranged in the pump body, and the slag remover comprises a case and a slurry crushing device. The thick sediment in the slabbing machine sediment well is arranged the heavy sediment in the slagging-off through the album cinder chamber to the scum pump among this scheme, then the pump send to the scarfing cinder machine, the pulping device of scarfing cinder machine can be the repulping in succession, in time clear up the slag charge by the pulper discharge, thereby make the pulper keep good pulping effect under the more condition of sediment volume, the productivity has been improved, and retrieve again the fibre in the slag charge, the advantage of waste paper rate of recovery has effectively been improved, but also there is the concentration that can cause the white water pool when the clear cinder pipe of the clear sediment machine of flotation blocks up too high, thereby influence the shortcoming of the productivity of whole pulping line.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned problem, a novel flotation slag remover pipeline structure is provided.

In order to achieve the above purpose, the utility model adopts the following technical proposal:

the utility model provides a novel flotation slag remover pipeline structure, advances stuff pump, flotation slag remover, head tank and impurity separation machine including prescreening white water pool, flotation screen, the flotation screen advance the thick liquid pipe of stuff pump and link to each other with prescreening white water pool, the flotation screen advances the play thick liquid pipe of stuff pump and links to each other with the flotation slag remover, the clear slag pipe end portion and the head tank of flotation slag remover link to each other, head tank bottom is equipped with the impurity separation machine, play thick liquid pipe on still be equipped with row's sediment subassembly, row's sediment subassembly link to each other with the pulper sediment well.

In foretell novel flotation slag remover pipeline structure, arrange the sediment subassembly and include the bypass pipe that sets up with out thick liquid pipe intercommunication, the bypass pipe keep away from pulper sediment well one end and let in the pulper sediment well, the bypass pipe be close to out thick liquid pipe one end and still be equipped with the valve member.

In the pipeline structure of the novel flotation slag remover, the valve component is a bypass hand valve arranged on a bypass pipe.

In foretell novel flotation slag removal machine pipeline structure, the bypass hand valve include manual runner, manual runner pass through a plurality of support frames and fix on the bypass pipe, the axle center department fixedly connected with valve actuating lever of manual runner, valve actuating lever tip and the intraductal valve spare of bypass link to each other.

In foretell novel flotation slag remover pipeline structure, valve spare establishes the connecting pipe on the bypass pipe including the cover, connecting pipe and bypass pipe outer wall pass through welded connection, connecting pipe and bypass pipe between be equipped with the connection chamber, the bypass pipe in be equipped with the baffle, the connection intracavity still be equipped with along the valve plate who vertically runs through the bypass pipe, be equipped with the valve groove on the valve plate, the valve plate pass through bevel gear structure and link to each other with the valve actuating lever.

In foretell novel flotation slag remover pipeline structure, bevel gear structure including fix the bevel gear at valve actuating lever tip, valve plate outer fringe on be equipped with the awl profile of tooth and this awl profile of tooth and bevel gear meshing.

In foretell novel flotation slag remover pipeline structure, baffle semicircular in shape and the semicircular lateral wall and bypass pipe top inner wall fixed connection of baffle, baffle bottom still be equipped with fixed cover, valve plate axle center department be equipped with insert to fixed cover in and with fixed cover normal running fit be connected the center pin.

In the novel pipeline structure of the flotation slag remover, the valve groove is semicircular, and the size and the shape of the valve groove are the same as those of the baffle plate.

In the pipeline structure of the novel flotation slag remover, the two sides of the valve plate are respectively provided with an annular limiting block, and the annular limiting blocks are inserted into the bypass pipe and are movably connected with the bypass pipe.

In the novel pipeline structure of the flotation slag remover, the bypass pipe is made of stainless steel materials, and the pipe diameter of the bypass pipe is 150 mm.

Compared with the prior art, the utility model has the advantages of:

1. tailings in the primary screening white water pool are pumped into the flotation slag removing machine through a pulp inlet pipe of the flotation screen pulp inlet pump and pumped into the flotation slag removing machine through a pulp outlet pipe, then are conveyed into the high-level tank through a slag removing pipe of the flotation slag removing machine and finally reach the impurity separator to be subjected to impurity separation, and when the slag removing pipe is blocked and needs to be dredged, the slag discharging assembly can directly discharge the tailings into a slag settling well of the pulper, so that the problem that the concentration of the white water pool is increased to influence the productivity when faults are treated is solved.

2. The bypass pipe can directly discharge tailings in the primary screening white water tank into the slag settling well of the pulper, so that the problem that the concentration of the white water tank is increased to influence the capacity when a fault is treated is solved, and the valve assembly can control the communication or the closing of the bypass pipe and the pulp outlet pipe.

3. The manual runner is fixed on the bypass pipe through the support frame, the valve driving rod penetrates through the support frame and is inserted into the bypass pipe to be connected with the valve piece, and the manual runner can be rotated to drive the valve driving rod to rotate so as to drive the valve piece to be opened or closed.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

FIG. 1 is a flow chart of the present invention;

FIG. 2 is a schematic view showing the external structure of the slurry outlet pipe and the bypass pipe;

FIG. 3 is a schematic view of the internal structure at the connection pipe;

fig. 4 is a schematic sectional view of the joint pipe.

In the figure, a primary screening white water pool 1, a flotation screen slurry inlet pump 2, a flotation slag removal machine 3, a high-position tank 4, an impurity separator 5, a slurry outlet pipe 6, a slag discharge assembly 7, a pulper sediment well 8, a bypass pipe 9, a valve assembly 10, a bypass hand valve 11, a manual rotating wheel 12, a support frame 13, a valve driving rod 14, a connecting pipe 15, a connecting cavity 16, a baffle 17, a valve plate 18, a bevel gear 19, a bevel gear shape 20, a fixed sleeve 21, a valve groove 22, an annular limiting block 23 and a valve member 24.

Detailed Description

As shown in fig. 1-4, a novel flotation slag remover pipeline structure comprises a primary screen white water pool 1, a flotation screen pulp inlet pump 2, a flotation slag remover 3, a high-level tank 4 and an impurity separator 5, wherein a pulp inlet pipe of the flotation screen pulp inlet pump 2 is connected with the primary screen white water pool 1, a pulp outlet pipe 6 of the flotation screen pulp inlet pump 2 is connected with the flotation slag remover 3, the end part of a slag removing pipe of the flotation slag remover 3 is connected with the high-level tank 4, the bottom of the high-level tank 4 is provided with the impurity separator 5, the pulp outlet pipe 6 is further provided with a slag discharging assembly 7, and the slag discharging assembly 7 is connected with a pulp crusher sediment well 8.

In this embodiment, the tailings in the primary screening white water pool 1 are pumped into the flotation slag removing machine 3 through the slurry inlet pipe of the flotation screen slurry inlet pump 2 and are pumped into the flotation slag removing machine 3 through the slurry outlet pipe 6, then the slag removing pipe of the flotation slag removing machine 3 is conveyed into the high-level tank 4 and finally reaches the impurity separator 5 for impurity separation, when the slag removing pipe is blocked and needs to be dredged, the slag discharging assembly 7 can directly discharge the tailings into the pulper sediment well 8, and therefore the problem that the concentration of the white water pool is increased to influence the productivity when faults are treated is solved.

The slag discharging assembly 7 comprises a bypass pipe 9 communicated with the slurry outlet pipe 6, one end of the bypass pipe 9, which is far away from the pulper sediment well 8, is led into the pulper sediment well 8, and one end of the bypass pipe 9, which is close to the slurry outlet pipe 6, is also provided with a valve assembly 10.

In this embodiment, as shown in fig. 1 to 4, the bypass pipe 9 can directly discharge the tailings in the primary screened white water pool into the pulper sediment trap 8, so as to solve the problem that the yield is affected by the rise of the concentration of the white water pool when a fault is treated, and the valve assembly 10 can control the connection or the disconnection of the bypass pipe 9 and the pulp outlet pipe 6.

The valve assembly 10 is a bypass hand valve 11 arranged on the bypass pipe 9. The bypass hand valve 11 comprises a hand-operated rotating wheel 12, the hand-operated rotating wheel 12 is fixed on the bypass pipe 9 through a plurality of supporting frames 13, a valve driving rod 14 is fixedly connected at the axis of the hand-operated rotating wheel 12, and the end part of the valve driving rod 14 is connected with a valve member 24 in the bypass pipe 9.

In this embodiment, as shown in fig. 1 to 4, the manual rotating wheel 12 is fixed on the bypass pipe 9 through the supporting frame 13, the valve driving rod 14 penetrates through the supporting frame 13 and is inserted into the bypass pipe 9 to be connected with the valve member 24, and rotating the manual rotating wheel 12 can drive the valve driving rod 14 to rotate so as to drive the valve member 24 to open or close.

The valve member 24 comprises a connecting pipe 15 sleeved on the bypass pipe 9, the support frame 13 is fixed on the connecting pipe 15, the connecting pipe 15 is connected with the outer wall of the bypass pipe 9 in a welding mode, a connecting cavity 16 is arranged between the connecting pipe 15 and the bypass pipe 9, a baffle 17 is arranged in the bypass pipe 9, a valve plate 18 longitudinally penetrating through the bypass pipe 9 is further arranged in the connecting cavity 16, a valve groove 22 is formed in the valve plate 18, and the valve plate 18 is connected with the valve driving rod 14 through a bevel gear structure.

In this embodiment, as shown in fig. 1 to 4, the valve driving rod 14 rotates to drive the valve plate 18 to rotate through the bevel gear structure, and when the valve slot 22 on the valve plate 18 is dislocated with the baffle 17, the bypass pipe 9 is communicated with the grout outlet pipe 6. The connecting pipe 15 can protect the bevel gear structure.

The bevel gear structure comprises a bevel gear 19 fixed at the end part of the valve driving rod 14, the outer edge of the valve plate 18 is provided with a bevel gear 20, and the bevel gear 20 is meshed with the bevel gear 19.

In this embodiment, as shown in fig. 1 to 4, the valve driving rod 14 rotates to drive the bevel gear 19 to rotate, and the bevel gear 19 rotates to drive the valve plate 18 to rotate through the bevel gear 20, so as to control the valve slot 22 to be misaligned or overlapped with the baffle 17.

Baffle 17 is semicircular and the semicircular lateral wall of baffle 17 and bypass pipe 9 top inner wall fixed connection, baffle 17 bottom still be equipped with fixed cover 21, valve plate 18 axle center department be equipped with insert to fixed cover 21 in and with fixed cover 21 normal running fit be connected the center pin. The valve slot 22 is semicircular, and the size and shape of the valve slot 22 are the same as those of the baffle 17. Annular limiting blocks 23 are arranged on two sides of the valve plate 18, and the annular limiting blocks 23 are inserted into the bypass pipe 9 and movably connected with the bypass pipe 9. The by-pass pipe 9 is made of stainless steel materials, and the pipe diameter of the by-pass pipe 9 is 150 mm.

In this embodiment, as shown in fig. 1 to 4, the fixing sleeve 21 is matched with a central shaft at the axis of the valve plate 18 to position the valve plate 18, and the annular limiting block 23 is inserted into the bypass pipe 9 and movably connected to the bypass pipe 9 to limit the rotation of the valve plate 18.

The utility model discloses a theory of operation is: tailings in the primary screening white water pool 1 are pumped into the flotation slag removing machine 3 through a slurry inlet pipe of the flotation screen slurry inlet pump 2 and pumped into the flotation slag removing machine 3 through a slurry outlet pipe 6, then conveyed into the high-level tank 4 through a slag removing pipe of the flotation slag removing machine 3 and finally reach the impurity separating machine 5 for impurity separation, when the slag removing pipe is blocked and needs to be dredged, a manual rotating wheel 12 is rotated to drive a valve driving rod 14 to rotate, the valve driving rod 14 can drive a bevel gear 19 to rotate, the bevel gear 19 can drive a valve plate 18 to rotate through a bevel gear shape 20 so as to control dislocation of a valve groove 22 and a baffle 17, after the valve groove 22 on the valve plate 18 is dislocated with the baffle 17, a bypass pipe 9 is communicated with the slurry outlet pipe 6, and the tailings can be directly discharged into a slag settling well 8 of the pulper through the slurry outlet pipe 6, so that the problem that the concentration of the white water.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms of the prescreening white water pool 1, the flotation screen slurry inlet pump 2, the flotation slag cleaning machine 3, the head tank 4, the impurity separator 5, the slurry outlet pipe 6, the slag discharging assembly 7, the pulper sediment well 8, the by-pass pipe 9, the valve assembly 10, the by-pass hand valve 11, the manual rotating wheel 12, the support frame 13, the valve driving rod 14, the connecting pipe 15, the connecting cavity 16, the baffle 17, the valve plate 18, the bevel gear 19, the bevel gear shape 20, the fixing sleeve 21, the valve groove 22, the annular limiting block 23, the valve member 24 and the like are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and should not be interpreted as imposing any additional limitations that are contrary to the spirit of the present invention.

Claims

1. The utility model provides a novel flotation slag removing machine pipeline structure, includes primary screen white water pond (1), flotation screen advances stuff pump (2), flotation slag remover (3), head tank (4) and impurity separation machine (5), the flotation screen advance the thick liquid pipe of advancing stuff pump (2) and link to each other with primary screen white water pond (1), the flotation screen advances thick liquid pipe (6) of stuff pump (2) and links to each other with flotation slag remover (3), the clear slag pipe end portion and head tank (4) of flotation slag remover (3) link to each other, head tank (4) bottom is equipped with impurity separation machine (5), its characterized in that, play thick liquid pipe (6) on still be equipped with row's sediment subassembly (7), row's sediment subassembly (7) link to each other with pulper sediment well (8).

2. A novel pipeline structure of a flotation slag remover according to claim 1, characterized in that the slag discharging component (7) comprises a bypass pipe (9) communicated with the slurry outlet pipe (6), the end of the bypass pipe (9) far away from the pulper sediment well (8) is communicated into the pulper sediment well (8), and a valve component (10) is arranged at the end of the bypass pipe (9) close to the slurry outlet pipe (6).

3. A new type of flotation slag remover pipeline structure, according to claim 2, characterized by that, the valve assembly (10) is a by-pass hand valve (11) arranged on the by-pass pipe (9).

4. A novel pipeline structure of a flotation slag remover according to claim 3, characterized in that the by-pass hand valve (11) comprises a manual rotating wheel (12), the manual rotating wheel (12) is fixed on the by-pass pipe (9) through a plurality of supporting frames (13), a valve driving rod (14) is fixedly connected to the axis of the manual rotating wheel (12), and the end of the valve driving rod (14) is connected with a valve member (24) in the by-pass pipe (9).

5. The novel pipeline structure of the flotation slag remover as claimed in claim 4, wherein the valve member (24) comprises a connecting pipe (15) sleeved on the bypass pipe (9), the connecting pipe (15) is connected with the outer wall of the bypass pipe (9) in a welding manner, a connecting cavity (16) is arranged between the connecting pipe (15) and the bypass pipe (9), a baffle (17) is arranged in the bypass pipe (9), a valve plate (18) longitudinally penetrating through the bypass pipe (9) is further arranged in the connecting cavity (16), a valve groove (22) is formed in the valve plate (18), and the valve plate (18) is connected with the valve driving rod (14) through a bevel gear structure.

6. The novel pipeline structure of the flotation slag remover as claimed in claim 5, wherein the bevel gear structure comprises a bevel gear (19) fixed at the end of a valve driving rod (14), the outer edge of the valve plate (18) is provided with a bevel gear profile (20), and the bevel gear profile (20) is meshed with the bevel gear (19).

7. The novel pipeline structure of the flotation slag remover as claimed in claim 6, wherein the baffle (17) is semicircular, the semicircular side wall of the baffle (17) is fixedly connected with the inner wall of the top of the bypass pipe (9), a fixed sleeve (21) is further arranged at the bottom of the baffle (17), and a central shaft which is inserted into the fixed sleeve (21) and is connected with the fixed sleeve (21) in a rotating fit manner is arranged at the axis of the valve plate (18).

8. A novel pipeline structure of a flotation slag remover according to claim 7, characterized in that said valve slot (22) is semicircular, and the size and shape of the valve slot (22) are the same as those of the baffle (17).

9. The novel pipeline structure of the flotation slag remover as claimed in claim 7, wherein annular limiting blocks (23) are arranged on two sides of the valve plate (18), and the annular limiting blocks (23) are inserted into the bypass pipe (9) and movably connected with the bypass pipe (9).

10. A new type of flotation slag remover pipeline structure according to any of claims 2-8, characterized by that, said by-pass pipe (9) is made of stainless steel material, and the diameter of the by-pass pipe (9) is 150 mm.