CN217854831U

CN217854831U - Particle separating device for papermaking

Info

Publication number: CN217854831U
Application number: CN202222187753.0U
Authority: CN
Inventors: 林立峰; 琚峰; 童小家; 盛海荣; 张海荣; 吴苗青; 黄铁松; 吴正余; 陈其春; 余忠华; 涂志刚
Original assignee: Zhejiang Lin'an Jinzhou Paper Co ltd
Current assignee: Zhejiang Lin'an Jinzhou Paper Co ltd
Priority date: 2022-08-18
Filing date: 2022-08-18
Publication date: 2022-11-22
Anticipated expiration: 2032-08-18

Abstract

The application relates to a particle separating device for papermaking, which comprises a filter vat, a filter assembly and a scouring assembly; the filter assembly comprises a water seepage platform and filter paper, the water seepage platform is fixedly installed in the filter barrel, the surface of the water seepage platform, which is far away from the ground, is covered with the filter paper for filtering, the water seepage platform is provided with a plurality of water leakage holes, the water seepage platform and the inner cavity of the filter barrel form a filter cavity, and the filter cavity is used for storing filtered paper pulp; the scouring component is used for scouring particle impurities on the filter paper; the water seepage platform is provided with a slag discharge hole, a slag discharge pipeline for discharging filter residues is connected to the slag discharge hole of the water seepage platform, and two pipe orifices of the slag discharge pipeline are communicated with the outside; the filter paper is provided with a filter paper hole at the slag discharge hole. The filter paper has the effect of reducing the blockage of filter paper filter holes by particles.

Description

Particle separating device for papermaking

Technical Field

The application relates to the field of paper pulp filtration, in particular to a particle separating device for papermaking.

Background

The raw materials for making paper mainly comprise plant fibers, which are derived from wood, grass plants, bast fibers and waste paper fibers. Therefore, in the pulping process, fine sand, lignin, pulp lumps and other particle impurities are introduced to affect the properties of the finished paper product such as smoothness, tensile strength and the like, so that filtering the particle impurities in the paper pulp is an important step in the modern papermaking process.

The existing separation of particles in paper pulp is to separate the particles through filter paper, the paper pulp can flow through the filter paper, and the impurities with larger particles are left on the filter paper, but after long-time use, the impurity particles accumulated on the filter paper easily plug the holes on the filter paper, which affects the filtering efficiency, so the filter paper needs to be frequently detached for cleaning.

SUMMERY OF THE UTILITY MODEL

In order to reduce the possibility of impurities blocking filter paper filter holes, the application provides a particle separation device for papermaking.

The application provides a particle separating device for papermaking adopts following technical scheme:

a particle separating device for papermaking comprises a filter vat, a filter assembly and a scouring assembly; the filter assembly comprises a water seepage platform and filter paper, the water seepage platform is fixedly installed in the filter barrel, the surface of the water seepage platform, which is far away from the ground, is covered with the filter paper for filtering, the water seepage platform is provided with a plurality of water leakage holes, the water seepage platform and the inner cavity of the filter barrel form a filter cavity, and the filter cavity is used for storing filtered paper pulp; the scouring assembly is used for scouring particle impurities on the filter paper; the water seepage platform is provided with a slag discharge hole, a slag discharge pipeline for discharging filter residues is connected to the slag discharge hole of the water seepage platform, and two pipe orifices of the slag discharge pipeline are communicated with the outside; the filter paper is provided with a filter paper hole at the slag discharge hole.

Through adopting above-mentioned technical scheme, unfiltered paper pulp filters the back through filter paper and stores in filtering cavity, and particle impurity is kept on filter paper, erodees filter paper through scouring away the subassembly, makes particle impurity discharge through arranging the sediment pipeline, reduces because particle impurity's gathering leads to the hole of filter paper to be blockked up, consequently need not frequently to change or clean filter paper, has reduced separator's maintenance duration, has improved filterable efficiency.

Optionally, the flushing assembly comprises a supporting piece and a first connecting pipe, the supporting piece is fixedly connected with the filter vat, the first connecting pipe is connected with the supporting piece, and one side, close to the water seepage platform, of the first connecting pipe is provided with a plurality of nozzles for flushing.

Through adopting above-mentioned technical scheme, support piece fixes on the filter vat, makes that first connecting pipe can be stable lasting erode the filter paper surface, has improved the stability of the efficiency and the device that erodees.

Optionally, the first connecting pipe is rotatably connected with the supporting member in a horizontal direction.

Through adopting above-mentioned technical scheme, first connecting pipe can rotate, has improved the area that erodees, has further improved the effect that erodees.

Optionally, the flushing assembly further comprises a driving member, a first gear, a second gear and a second connecting pipe, the driving shaft of the driving member is fixedly connected with the first gear, the first gear is meshed with the second gear, the second gear is fixedly connected with the second connecting pipe, and the second connecting pipe is fixedly connected with the first connecting pipe.

Through adopting above-mentioned technical scheme, set up first gear, second gear and second connecting pipe for the driving piece can drive first connecting pipe and rotate, makes to erode more evenly, has also reduced because lasting to the deformation that the single position of filter paper erodees and lead to filter paper, has improved the effect of erodeing, has reduced the destruction to filter paper.

Optionally, the slag discharge hole is arranged along the central axis of the water seepage platform, and the spray head and the projection of the slag discharge hole in the direction perpendicular to the water seepage platform are not overlapped.

Through adopting above-mentioned technical scheme, will arrange the cinder notch and set up on the axle central line of infiltration platform, and the region that the control shower nozzle set up has reduced invalid area of erodeing, has improved the effect that erodees, has reduced the waste of water resource.

Optionally, still include the input pipeline, the input pipeline is used for inputing paper pulp, the mouth of pipe of input pipeline is higher than filter paper, and the mouth of pipe of input pipeline and the projection of row's cinder notch in the direction of perpendicular to infiltration platform do not overlap, the input pipe-mounted has the switch.

By adopting the technical scheme, the switch piece can be used for opening or closing the input of the paper pulp at any time, the equipment is convenient to clean or maintain, and the waste of the paper pulp is reduced.

Optionally, the first connecting pipe is connected with the supporting member in a sliding manner in the horizontal direction.

Through adopting above-mentioned technical scheme, first connecting pipe can horizontal slip, has improved the area that erodees, has further improved the effect that erodees.

Optionally, the scouring assembly further comprises a scouring lead screw, a scouring slide block and a second connecting pipe, the scouring lead screw and the scouring slide block are mounted on the support piece, the scouring lead screw is in threaded connection with the scouring slide block, the scouring slide block is fixedly connected with the second connecting pipe, and the second connecting pipe is fixedly connected with the first connecting pipe.

Through adopting above-mentioned technical scheme, set up and erode the lead screw, erode slider and second connecting pipe for first connecting pipe can slide along support piece level, makes to erode more evenly, has also reduced because lasting to the single position of filter paper erode the deformation that leads to filter paper, has improved the effect that erodees, has reduced the destruction to filter paper.

Optionally, a baffle is vertically installed at one end, far away from the ground, of the filter vat, and the baffle is fixedly connected with the filter vat.

Through adopting above-mentioned technical scheme, enclose the baffle on the filter vat, the paper pulp that splashes can be kept to the baffle, has reduced the waste of paper pulp, has also improved the recovery of filtrating.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the paper pulp is input into the input pipeline, the paper pulp is discharged from the output pipeline after being filtered by the filter paper, the particle impurities are retained on the filter paper, and the filter paper is flushed by the flushing component, so that the blockage of holes of the filter paper caused by the aggregation of the particle impurities is reduced, the filter paper does not need to be frequently replaced or cleaned, the maintenance time of the separation device is reduced, and the filtering efficiency is improved;

2. by controlling the sliding or rotation of the first connecting pipe, the scouring area is increased, the damage to the filter paper is reduced, and the scouring effect is improved;

3. through set up row's sediment hole on the infiltration platform to separator has set up the row's of external intercommunication sediment pipeline, makes the granule impurity of gathering on the filter paper discharge through arranging the sediment pipeline, has reduced the cleanness of filter paper and has exchanged with, has improved filterable effect.

Drawings

FIG. 1 is a schematic view showing the structure of a particle separating apparatus for papermaking in example 1.

FIG. 2 is a sectional view showing the structure of a particle separating apparatus for papermaking according to example 1.

FIG. 3 is a partial schematic view showing the structure of the apparatus for separating particles in papermaking according to example 1, and is mainly used for showing the structure of the flushing unit.

FIG. 4 is a schematic view showing the structure of a particle separating apparatus for papermaking in example 2.

Description of the reference numerals: 100. a filter vat; 101. a filtering cavity; 110. a baffle plate; 200. a filter assembly; 210. a water seepage platform; 211. a slag discharge hole; 220. filtering paper; 221. a filter paper hole; 300. a flushing component; 310. a support member; 320. a first connecting pipe; 321. a spray head; 330. a second connecting pipe; 340. a first gear; 350. a second gear; 360. scouring the screw rod; 370. flushing the slide block; 400. a slag discharge pipeline; 500. an input pipe; 510. a switch member.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a particle separating device for papermaking.

Example 1

Referring to fig. 1, the particle separating apparatus for papermaking includes a filtering tub 100, a filtering assembly 200, a flushing assembly 300, a residue discharge pipe 400, an input pipe 500, and an output pipe. The filtering barrel 100 is fixedly installed on the ground, in this embodiment, the filtering barrel 100 is substantially a cylinder, the axis of the filtering barrel 100 is vertically arranged, and the upper end of the filtering barrel 100 is open. The end of the filtering barrel 100 far away from the ground is fixedly provided with a baffle 110, and the baffle 110 is annular and is arranged coaxially with the filtering barrel 100. The baffle 110 may also be provided to be integrally formed with the filter basket 100, and the baffle 110 may block the splashed pulp.

Referring to fig. 2, the filtering assembly 200 includes a water seepage platform 210 and filter paper 220, the water seepage platform 210 is horizontally and fixedly installed in the filtering barrel 100, in this embodiment, the water seepage platform 210 is a circular plate, a plurality of water leakage holes are formed on the circular plate, the side wall of the water seepage platform 210 is tightly attached to the inner wall of the filtering barrel 100, the height of the water seepage platform 210 is equal to the end of the filtering barrel 100 far away from the ground, the water seepage platform 210 and the filtering barrel 100 form a filtering cavity 101 in an enclosing manner, the filter solution flows into the filtering cavity 101 through the water seepage platform 210, and the water seepage platform 210 is coaxially provided with a slag discharge hole 211. The filter paper 220 covers the surface of the water penetration platform 210 far away from the ground, the filter paper 220 is provided with filter paper holes 221 at the positions of the slag holes 211, and in the embodiment, the pore sizes of the filter paper holes 221 are equal to the pore sizes of the slag holes 211.

Referring to fig. 2 and 3, the flushing assembly 300 includes a support member 310, a first connection pipe 320, a second connection pipe 330, a driving member, a first gear 340, a second gear 350, and a water inlet pipe. The supporting member 310 is fixedly installed on one side of the filtering barrel 100 far from the ground and is higher than the water penetration platform 210; in this embodiment, the driving member is a rotating electrical machine, the driving member is fixed on the supporting member 310, a driving shaft of the driving member is vertically disposed, the driving shaft is coaxially and fixedly connected with the first gear 340, the first gear 340 is engaged with the second gear 350, the second gear 350 is fixedly connected with the second connecting pipe 330, the second connecting pipe 330 is vertically disposed, the second connecting pipe 330 passes through the supporting member 310 and is fixedly connected with the first connecting pipe 320, the first connecting pipe 320 is disposed parallel to the water seepage platform 210, and the second connecting pipe 330 is communicated with the first connecting pipe 320.

During use, the driving member drives the first gear 340 to rotate, the first gear 340 drives the second gear 350 to rotate, the second gear 350 drives the second connecting pipe 330 to rotate, the second connecting pipe 330 drives the first connecting pipe 320 to rotate, and the second connecting pipe 330 is fixedly connected and communicated with the water inlet pipe for water inlet. A plurality of nozzles 321 are vertically arranged on one side of the first connecting pipe 320 away from the driving member, and the projections of the nozzles 321 and the slag discharge holes 211 in the direction perpendicular to the water penetration platform 210 do not overlap.

Referring to fig. 2, the residue discharge pipe 400 is fixedly installed in the residue discharge hole 211 of the water seepage platform 210, one end of the residue discharge pipe 400 is communicated with the outside, and the other end can be communicated with the impurity collecting barrel, in this embodiment, the pipe orifice of the residue discharge pipe 400 is flush with the surface of the water seepage platform 210, and the particle impurities brushed off from the filter paper can be discharged through the residue discharge pipe 400.

Referring to fig. 1, the pulp outlet pipe of the previous process is communicated with an input pipe 500, the pulp flows through the input pipe 500 and falls on the filter paper 220, and the orifice of the input pipe 500 is higher than the filter paper 220. The input pipe 500 is provided with a switching member 510, and the switching member 510 is used for opening or closing the input pipe 500, and in this embodiment, the switching member 510 is a flow control valve.

Referring to fig. 2, the output pipeline is fixedly connected to the filter vat 100, the output pipeline is communicated with the filter cavity 101, and the filtrate filtered by the filter paper 220 enters the filter cavity 101 and is transported to the next process through the output pipeline.

The implementation principle of the embodiment 1 is as follows: the pulp to be filtered is discharged from the orifice of the inlet pipe 500, and is filtered by the filter paper 220, leaving particulate impurities on the surface of the filter paper 220. When the filtering effect is not good, the water is introduced into the water inlet pipe, and the driving member drives the first connecting pipe 320 to rotate, the nozzle 321 on the first connecting pipe 320 sprays water to wash away the particle impurities on the surface of the filter paper 220, and the particle impurities are discharged through the slag discharge pipe 400. This maintains the excellent filtering effect of the particle separating apparatus without frequently replacing or cleaning the filter paper 220.

Example 2

Referring to fig. 4, the present embodiment is different from embodiment 1 in that: in this embodiment, the filtering barrel 100 is substantially rectangular, and the water seepage platform 210 is a rectangular plate. The washing component 300 comprises a support member 310, a first connecting pipe 320, a driving member, a washing screw 360, a washing slider 370 and a water inlet pipe, wherein the support member 310 is fixedly connected with the filter barrel 100, and one end of the support member 310 close to the ground is higher than the water seepage platform 210; support member 310 is last to rotate and to be connected with to erode lead screw 360, erodes lead screw 360 and erode slider 370 threaded connection, erodes slider 370 and second connecting pipe 330 fixed connection, and in this embodiment, the driving piece is for rotating the motor, rotates motor drive and erodees lead screw 360 and rotates, erodes lead screw 360 and drives and erode slider 370 horizontal slip in support member 310, consequently drives second connecting pipe 330 horizontal slip. The second connection pipe 330 is vertically disposed, the second connection pipe 330 penetrates through the support member 310 and is fixedly connected to the first connection pipe 320, the first connection pipe 320 is disposed parallel to the water seepage platform 210, and the second connection pipe 330 drives the first connection pipe 320 to slide in the horizontal direction when sliding horizontally. The second connecting pipe 330 is communicated with the first connecting pipe 320, and the water inlet pipe is fixedly connected and communicated with the second connecting pipe 330. The slag discharge hole 211 is provided at a position close to the inner wall of the filter basket 100.

The implementation principle of the embodiment 2 is as follows: the filtered pulp from the filter exits through the orifice of the inlet conduit 500 and is filtered by the filter paper 220, leaving particulate impurities on the surface of the filter paper 220. When the filtering effect is not good, the water in the water inlet pipe is supplied with water, the motor is rotated to drive the scouring screw rod and the scouring slide block to drive the first connecting pipe 320 to slide, the spray head 321 on the first connecting pipe 320 sprays water to scour the particle impurities on the surface of the filter paper 220, and the particle impurities are discharged through the slag discharge pipeline 400. Thus, the good filtering effect of the particle separating device can be maintained without frequently replacing the clean filter paper 220.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A particle separating device for papermaking, characterized in that: comprises a filter barrel (100), a filter component (200) and a flushing component (300); the filter assembly (200) comprises a water seepage platform (210) and filter paper (220), the water seepage platform (210) is fixedly installed in a filter barrel (100), the surface, far away from the ground, of the water seepage platform (210) is covered with the filter paper (220) used for filtering, a plurality of water seepage holes are formed in the water seepage platform (210), a filter cavity (101) is formed by the water seepage platform (210) and the inner cavity of the filter barrel (100) in a surrounding mode, and the filter cavity (101) is used for storing filtered paper pulp; the scouring component (300) is used for scouring particle impurities on the filter paper (220); the water seepage platform (210) is provided with a slag discharge hole (211), the slag discharge hole (211) of the water seepage platform (210) is connected with a slag discharge pipeline (400) for discharging filter slag, and two pipe orifices of the slag discharge pipeline (400) are communicated with the outside; the filter paper (220) is provided with a filter paper hole (221) at the residue discharge hole.

2. The particle separating apparatus for papermaking according to claim 1, wherein: the subassembly (300) that erodees includes support piece (310), first connecting pipe (320), support piece (310) with filter vat (100) fixed connection, first connecting pipe (320) are connected with support piece (310), one side that first connecting pipe (320) are close to infiltration platform (210) is provided with a plurality of shower nozzles (321) that are used for erodeing.

3. The particle separating apparatus for papermaking according to claim 2, wherein: the first connecting pipe (320) is rotatably connected with the support (310) in a horizontal direction.

4. The particle separating apparatus for papermaking according to claim 3, characterized in that: the flushing assembly further comprises a driving piece, a first gear (340), a second gear (350) and a second connecting pipe (330), the driving shaft of the driving piece is fixedly connected with the first gear (340), the first gear (340) is meshed with the second gear (350), the second gear (350) is fixedly connected with the second connecting pipe (330), and the second connecting pipe (330) is fixedly connected with the first connecting pipe (320).

5. The particle separating apparatus for papermaking according to claim 4, wherein: the slag discharge hole (211) is formed along the axial center line of the water seepage platform (210), and the projections of the spray head (321) and the slag discharge hole (211) in the direction perpendicular to the water seepage platform (210) are not overlapped.

6. The particle separating apparatus for papermaking according to claim 1, wherein: still include input pipeline (500), input pipeline (500) are used for inputing paper pulp, the mouth of pipe of input pipeline (500) is higher than filter paper (220), and the mouth of pipe and the projection of arranging cinder notch (211) in the direction of perpendicular to infiltration platform (210) of input pipeline (500) do not overlap, switch spare (510) are installed in input pipeline (500).

7. The particle separating apparatus for papermaking according to claim 2, wherein: the first connecting pipe (320) is connected with the support (310) in a sliding manner in the horizontal direction.

8. The particle separating apparatus for papermaking according to claim 7, wherein: erode subassembly (300) still including erodeing lead screw (360), erodeing slider (370) and second connecting pipe (330), install on support piece (310) and erode lead screw (360) and erode slider (370), erode lead screw (360) and erode slider (370) threaded connection, erode slider (370) and second connecting pipe (330) fixed connection, second connecting pipe (330) and first connecting pipe (320) fixed connection.

9. The particle separating apparatus for papermaking according to claim 1, wherein: the one end that filter vat (100) kept away from ground is vertical installs baffle (110), baffle (110) with filter vat (100) fixed connection.