CN219430383U

CN219430383U - Pulp filter

Info

Publication number: CN219430383U
Application number: CN202320165734.XU
Authority: CN
Inventors: 叶海兵; 肖应奎; 周明星
Original assignee: Taizhou Yongfeng Paper Co ltd
Current assignee: Taizhou Yongfeng Paper Co ltd
Priority date: 2023-01-16
Filing date: 2023-01-16
Publication date: 2023-07-28
Anticipated expiration: 2033-01-16

Abstract

The utility model discloses a pulp filter, which is characterized in that: including just straining barrel and secondary straining barrel, just straining barrel passes through the pipe connection with the secondary straining barrel, pulp in the just straining barrel leads to the secondary straining barrel, be equipped with the filter screen that is used for filtering impurity in the just straining barrel, be equipped with the screen cylinder in the secondary straining barrel, evenly open on the screen cylinder has a plurality of filtration holes, the screen cylinder rotates with the secondary straining barrel to be connected, be equipped with drive screen cylinder pivoted motor on the secondary straining barrel, be equipped with the play thick liquid pipe that is used for the discharge on the secondary straining barrel, through setting up two straining barrels, carry out natural filtration respectively and initiative filtration, carry out preliminary filtration to paper pulp through the filter screen, carry out secondary filtration to paper pulp through motor drive's screen cylinder later, can drive paper pulp and rotate when the screen cylinder rotates, and pivoted paper pulp is better with the screen cylinder contact back filter effect to reduce and filter incomplete condition, improve product quality.

Description

Pulp filter

Technical Field

The utility model relates to the field of paper manufacture, in particular to a pulp filter.

Background

The paper production generally needs to adopt broken paper pulp, various components are added into the primarily broken paper pulp and filtered to form paper pulp with smaller particles and fewer impurities, and paper which can be normally used by people can be produced, so that the filtering effect becomes a great point of paper quality.

CN206337461U discloses a pulp filter device, set up high-pressure spray rinsing device of high-speed rotation above the filter vat, can automatic spray rinsing residual paper pulp on the filter vat inner wall, effective reduce cost saves the labour, pulp filter device in this application sets up the filter screen of bilayer, most filter devices under the prior art also adopts the filter screen to filter the impurity, carries out natural filtration when paper pulp through the filter screen, natural filtration's mode can't initiatively separate impurity, probably has the condition of filtering incompletely to reduce product quality.

Disclosure of Invention

For solving paper pulp filter equipment adopts natural filtration unable initiative separation impurity under the prior art, probably has the condition of filtering incompletely, reduces product quality's problem, this application provides a paper pulp filter.

The utility model provides a pulp filter, includes first filter vat and secondary filter vat, first filter vat passes through the pipe connection with the secondary filter vat, the paper pulp in the first filter vat leads to the secondary filter vat, be equipped with the filter screen that is used for filtering impurity in the first filter vat, be equipped with the screen drum in the secondary filter vat, evenly open on the screen drum has a plurality of filtration pores, the screen drum rotates with the secondary filter vat to be connected, be equipped with drive screen drum pivoted motor on the secondary filter vat, be equipped with the play thick liquid pipe that is used for the discharge on the secondary filter vat.

Through adopting above-mentioned technical scheme, through setting up two filter vat, carry out natural filtration and initiative filtration respectively, carry out prefilter to paper pulp through the filter screen, carry out secondary filter to paper pulp through motor drive's screen cylinder later, can drive paper pulp rotation when the screen cylinder rotates, and pivoted paper pulp is better with screen cylinder contact back filter effect to reduce and filter incomplete condition, improve product quality.

Optionally, a stirring impeller is further arranged in the secondary filter vat, the stirring impeller is positioned at the inner side of the screen cylinder, and the motor drives the stirring impeller to rotate simultaneously.

Through adopting above-mentioned technical scheme, stirring impeller also moves in the secondary filter vat, thereby stirs the flow frequency of paper pulp for the paper pulp is more comprehensive with the contact of screen cylinder, thereby further improves the filter effect.

Optionally, be equipped with the mounting bracket on the secondary filter vat, the motor is installed on the mounting bracket, the pivot and the impeller fixed connection of motor, open towards impeller the top of screen cylinder has the internal gear, the last corresponding internal gear department of impeller is equipped with the external gear, be equipped with the drive gear with the two meshing between internal gear and the external gear, be equipped with rather than fixed connection's gear lever on the drive gear, the gear lever rotates to be connected on the mounting bracket.

Through adopting above-mentioned technical scheme, through the cooperation of a series of gears, stirring impeller drives drive gear and rotates when rotating, through the cooperation of drive gear and internal gear, the screen cylinder carries out the synchronous anisotropic motion with stirring impeller, and the screen cylinder rotates but the opposite direction simultaneously with stirring impeller, and such rotation mode has improved stirring dynamics to improve the filter effect.

Optionally, the impeller includes a plurality of thick liquid pieces and with motor fixed connection's impeller shaft, thick liquid piece sets up around impeller shaft circumference, thick liquid piece vertical setting, the thick liquid piece is close to the one side of screen cylinder and is equipped with the brush, the inboard of brush butt screen cylinder.

Through adopting above-mentioned technical scheme, the thick liquid piece plays the stirring effect when the impeller shaft is rotatory, and the brush can clean the paper pulp that part remained on the screen cylinder inboard when the thick liquid piece is rotatory, sweeps into stirring area again and filters it, improves the utilization ratio of material, and when stopping work, also can wash the screen cylinder through the brush.

Optionally, open and have discharge gate and row miscellaneous mouth on the primary filter vat, the discharge gate is used for being connected with the secondary filter vat, row miscellaneous mouth department is equipped with the piston lid, the piston lid can dismantle with the primary filter vat and be connected.

Through adopting above-mentioned technical scheme, the primary filter vat adopts the filter screen to filter, consequently can stay on the filter screen at the back impurity of filtering, sets up the piston lid and then can wash away the impurity on the filter screen through modes such as letting in clear water, discharges from the impurity discharging mouth.

Optionally, the filter screen in the primary filter vat is obliquely arranged, and one side of the filter screen close to the discharge hole is higher than one side close to the discharge hole.

Through adopting above-mentioned technical scheme, let in the clear water and wash away the impurity on the filter screen, too big impurity is difficult for being washed out the filter screen and discharge, consequently the filter screen that the slant set up can make impurity slide to the trash outlet along the filter screen after washing away, carries out the discharge of impurity afterwards, improves cleaning efficiency.

Optionally, a pump for extracting pulp is arranged between the pipelines of the primary filter vat and the secondary filter vat.

Through adopting above-mentioned technical scheme, when letting in paper pulp towards secondary filter vat, through setting up the pump, can improve the efficiency of letting in, also can control the condition of letting in according to the demand, according to filterable efficiency regulation flow, reduce the too big condition that has reduced the filter effect of throughput.

Optionally, a pulp outlet pipe is arranged on the secondary filter barrel, and a valve for controlling the pulp outlet pipe to open and close is arranged on the pulp outlet pipe.

Through adopting above-mentioned technical scheme, thereby can close the valve when secondary filter vat stirs the filtration and stop the logical play of paper pulp, wait to filter and then can open the valve and go out the paper pulp that meets the production requirement after accomplishing, reduce the condition that the paper pulp that does not filter completely goes out and influences subsequent product quality.

In summary, the present application has at least the following beneficial effects:

1. the utility model provides a carry out secondary filtering through setting up two filter vat to paper pulp, and adopt the filter screen to filter with the help of gravity nature and adopt screen drum pivoted mode to filter respectively, improved filter effect, reduced the incomplete condition of filtration to improved the purity degree and the fineness of filtering out paper pulp, improved the quality of follow-up product.

2. This application has formed the rotation of impeller and screen cylinder synchronous heterodromous through gear train cooperation, can promote the dynamics of stirring through this kind of rotation mode, improves the efficiency of stirring to improve the filter effect.

Drawings

Fig. 1 is a perspective view of the present embodiment.

Fig. 2 is a sectional view of the present embodiment.

Fig. 3 is a cross-sectional view of the prefilter barrel in this embodiment.

Fig. 4 is a sectional view of the secondary filter vat in the present embodiment.

Reference numerals illustrate:

1. a primary filter drum; 12. a support leg; 13. a feed inlet; 14. a discharge port; 15. a impurity discharging port; 151. a piston cap; 16. a filter screen;

2. a secondary filter vat; 21. a screen cylinder; 211. an internal gear; 212. a filter hole; 213. a convex strip; 22. a stirring impeller; 221. an impeller shaft; 222. an external gear; 223. pulp sheets; 224. a brush; 23. a mounting frame; 231. a motor; 232. a transmission gear; 233. a gear lever; 24. a slurry outlet pipe; 241. a valve; 25. a rotating groove;

3. a pipeline; 4. and (3) a pump.

Description of the embodiments

The present application is further described in detail below with reference to fig. 1-4 by way of specific examples.

A pulp filter, as shown in figures 1 and 2, comprises a primary filter vat 1 and a secondary filter vat 2, wherein the bottoms of the primary filter vat 1 and the secondary filter vat 2 are respectively provided with a support leg 12, the primary filter vat 1 and the secondary filter vat 2 are fixed on the ground through the support legs 12, a feed inlet 13 and a discharge outlet 14 are arranged on the primary filter vat 1, a pipeline 3 is arranged between the primary filter vat 1 and the secondary filter vat 2, the discharge outlet 14 of the primary filter vat 1 is connected with the secondary filter vat 2 through the pipeline 3, a pump 4 is arranged on the pipeline 3, when in specific implementation, pulp enters the primary filter vat 1 through the feed inlet 13 and then enters the pipeline 3 from the discharge outlet 14, and the pulp is fed into the secondary filter vat 2 through the pump 4,

as shown in fig. 2 and 3, the primary filter barrel 1 is further provided with a impurity discharging port 15, a piston cover 151 is arranged at the impurity discharging port 15, the piston cover 151 is in threaded connection with the primary filter barrel 1, a filter screen 16 for filtering impurities is arranged in the primary filter barrel 1, the filter screen 16 is obliquely arranged, and one side of the filter screen 16 close to the discharge port 14 is higher than one side close to the discharge port. During the concrete implementation, filter the impurity that granule is great in the paper pulp through filter screen 16, filter the back and accomplish through opening the tender consolidation of piston lid 151 and discharge the impurity on the filter screen 16, and too big impurity is difficult for being washed out, consequently the filter screen 16 that the slant set up can make impurity slide to impurity discharging port 15 along filter screen 16 after the washing out, improves cleaning efficiency.

As shown in fig. 1 and 4, a screen cylinder 21 is disposed in the secondary filter vat 2, a plurality of filter holes 212 are uniformly formed in the screen cylinder 21, raised strips 213 are disposed on the upper portion of the screen cylinder 21, a rotating groove 25 is formed at a position of the secondary filter vat 2 corresponding to the raised strips 213, protruding strips of the screen cylinder 21 are embedded in the rotating groove 25, and the screen cylinder 21 is rotationally connected with the secondary filter vat 2. The secondary filter vat 2 is provided with a mounting frame 23, a motor 231 is fixedly mounted on the mounting frame 23, a stirring impeller 22 is further arranged in the secondary filter vat 2, the stirring impeller 22 comprises an impeller shaft 221 and a pulp 223, the impeller shaft 221 is fixedly connected with a rotating shaft of the motor 231, and the motor 231 drives the stirring impeller 22 to rotate. An inner gear 211 is arranged at the top of the screen cylinder 21 towards the stirring impeller 22, an outer gear 222 is arranged on the stirring impeller 22 corresponding to the inner gear 211, a transmission gear 232 meshed with the inner gear 211 and the outer gear 222 is arranged between the inner gear 211 and the outer gear 222, a gear rod 233 fixedly connected with the transmission gear 232 is arranged on the transmission gear 232, and the gear rod 233 is rotatably connected to the mounting frame 23. In specific implementation, through the cooperation of a series of gears, when the stirring impeller 22 rotates, the transmission gear 232 is driven to rotate, through the cooperation of the transmission gear 232 and the internal gear 211, the screen cylinder 21 and the stirring impeller 22 simultaneously rotate in opposite directions, the stirring force is improved in such a rotating mode, the screen cylinder 21 and the stirring impeller 22 simultaneously rotate, and the pulp sheets 223 filter impurities in the pulp through the filtering holes 212 after stirring.

As shown in fig. 2 and 4, the blade 223 is circumferentially arranged around the impeller shaft 221, the blade 223 is a square sheet body, the blade 223 is vertically arranged, a brush 224 is arranged on one side of the blade 223 close to the screen cylinder 21, the brush 224 is formed by soft hair, the brush 224 is abutted against the inner side of the screen cylinder 21, when the blade 223 rotates, the brush 224 can clean part of pulp remained on the inner side of the screen cylinder 21, and the pulp is swept into a stirring area again for filtering, so that the material utilization rate is improved, and when the operation is stopped, the screen cylinder 21 can be cleaned through the brush 224.

As shown in fig. 1 and 2, the secondary filter vat 2 is provided with a pulp outlet pipe 24, and the pulp outlet pipe 24 is provided with a valve 241 for controlling the opening and closing of the pulp outlet pipe. In particular, when the secondary filter vat 2 is stirred and filtered, the valve 241 is closed to stop the discharge of the pulp, reduce the discharge of the unfiltered and complete pulp, and open the valve 241 to discharge the pulp meeting the production requirement after the filtration is completed, thereby reducing the discharge of the pulp with more impurities and affecting the quality of the subsequent products.

Working principle: leading in primary filter vat 1 with the feed inlet 13 of primary filter vat 1, carry out preliminary natural filtration to paper pulp through filter screen 16, take out paper pulp to secondary filter vat 2 through pump 4 after accomplishing preliminary filtration, secondary filter vat 2 carries out synchronous heterodromous rotation to paper pulp and carries out secondary initiative filtration through impeller 22 and screen drum 21, when secondary filter vat 2 carries out stirring filtration, valve 241 is closed, when secondary filter vat 2 accomplishes the filtration, open valve 241 and let out the paper pulp that satisfies the production demand, and stop working, leading in clear water in towards primary filter vat 1, wash impurity in the primary filter vat 1 through arranging miscellaneous mouthful 15, then wash impurity on the screen drum 21 through brush 224 in the secondary filter vat 2.

The foregoing is a preferred embodiment of the present application, and is not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. A pulp filter, characterized by: including just straining barrel (1) and secondary filter vat (2), just straining barrel (1) is connected through pipeline (3) with secondary filter vat (2), paper pulp in just straining barrel (1) leads to secondary filter vat (2), be equipped with filter screen (16) that are used for filtering impurity in just straining barrel (1), be equipped with screen cylinder (21) in secondary filter vat (2), evenly open on screen cylinder (21) has a plurality of filtration pore (212), screen cylinder (21) are connected with secondary filter vat (2) rotation, be equipped with on secondary filter vat (2) drive screen cylinder (21) pivoted motor (231), be equipped with on secondary filter vat (2) and be used for discharging thick liquid pipe (24).

2. A pulp filter as defined in claim 1, wherein: and a stirring impeller (22) is further arranged in the secondary filter vat (2), the stirring impeller (22) is positioned at the inner side of the screen cylinder (21), and the motor (231) drives the stirring impeller (22) to rotate at the same time.

3. A pulp filter as defined in claim 2, wherein: be equipped with mounting bracket (23) on secondary filter vat (2), motor (231) are installed on mounting bracket (23), the pivot and the impeller (22) fixed connection of motor (231), open towards impeller (22) at the top of screen cylinder (21) has internal gear (211), be equipped with external gear (222) corresponding internal gear (211) department on impeller (22), be equipped with between internal gear (211) and external gear (222) with two meshed drive gear (232), be equipped with on drive gear (232) rather than fixed connection's gear lever (233), gear lever (233) swivelling joint is on mounting bracket (23).

4. A pulp filter according to claim 3, characterized in that: the stirring impeller (22) comprises a plurality of paddles (223) and an impeller shaft (221) fixedly connected with a motor (231), the paddles (223) are circumferentially arranged around the impeller shaft (221), the paddles (223) are vertically arranged, a brush (224) is arranged on one side, close to the screen cylinder (21), of the paddles (223), and the brush (224) is abutted against the inner side of the screen cylinder (21).

5. A pulp filter as defined in claim 1, wherein: the primary filter vat (1) is provided with a discharge hole (14) and a impurity discharging hole (15), the discharge hole (14) is used for being connected with the secondary filter vat (2), the impurity discharging hole (15) is provided with a piston cover (151), and the piston cover (151) is detachably connected with the primary filter vat (1).

6. A pulp filter as defined in claim 5, wherein: the filter screen (16) in the primary filter barrel (1) is obliquely arranged, and one side of the filter screen (16) close to the discharge hole (14) is higher than one side close to the discharge hole.

7. A pulp filter as defined in claim 1, wherein: a pump (4) for extracting paper pulp is arranged between the pipeline (3) of the primary filter vat (1) and the secondary filter vat (2).

8. A pulp filter as defined in claim 1, wherein: the secondary filter vat (2) is provided with a pulp outlet pipe (24), and the pulp outlet pipe (24) is provided with a valve (241) for controlling the pulp outlet pipe to open and close.