Pulp purifying and recycling device for papermaking

By designing a reciprocating brushing and stirring assembly for a pulp purification and recycling device for papermaking, the problem of low filtration efficiency caused by filter plate clogging was solved, achieving smooth filter plate feeding and improved production efficiency.

CN223874574UActive Publication Date: 2026-02-06BAODING YUSEN SANITARY HEALTH SUPPLIES CO LTD
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Patent Information

Application Number
CN202520354948.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-03
Publication Date
2026-02-06
Estimated Expiration
2035-03-03

AI Technical Summary

Technical Problem

Existing pulp purification and recycling devices for papermaking are prone to clogging of filter plates during filtration, resulting in reduced filtration efficiency, inability to effectively filter impurities and particles, impacting production efficiency, and potentially requiring shutdown for cleaning.

Method used

Design a device that includes a filter box, a filter plate, and a stirring assembly. The slurry on the filter plate is removed by reciprocating brushing, and the slurry on the inner wall of the stirring box is scraped off by the stirring assembly, ensuring smooth material flow from the filter plate and completing the purification and recycling process.

Benefits of technology

It effectively solved the problem of filter plate clogging, ensured the stability of filtration efficiency, avoided downtime for cleaning, and improved production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of pulp purification and recovery, in particular to a pulp purification and recovery device for papermaking, which comprises a filter box, a filter plate and a stirring component, supporting columns are arranged at the lower end of the filter box, a stirring box is arranged at the upper end of the filter box, two sets of discharging plates are arranged on one side of the filter box, a liquid outlet pipe is arranged at the lower end of the filter box, a first electric valve is arranged on one side of the liquid outlet pipe, and a stirring assembly is arranged on one side of the stirring box. A filter plate is arranged inside the filter box, a first motor is arranged on one side of the filter box, and a first rotating shaft is arranged at the output end of the first motor; according to the device, slurry on the filter plate is brushed off in a reciprocating brushing manner, so that the filter plate is smoothly discharged, and the problems that the filter plate is blocked to reduce the filter efficiency, impurities and particles in the slurry cannot be effectively filtered, the discharging is unsmooth, the production efficiency is reduced, and even shutdown cleaning is needed during most filtration are solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to pulp purification and recovery technical field especially papermaking pulp purification and recovery device. BACKGROUND

[0002] The existing papermaking pulp purification and recovery device, most of the time when filtering, will cause the filter plate to be blocked and reduce the filtering efficiency, so that the impurities and particles in the pulp cannot be effectively filtered, thereby the material is not discharged smoothly and the production efficiency is reduced, and even the machine needs to be stopped for cleaning.

[0003] Therefore, for the papermaking pulp purification and recovery device, most of the time when filtering, will cause the filter plate to be blocked and reduce the filtering efficiency, so that the impurities and particles in the pulp cannot be effectively filtered, thereby the material is not discharged smoothly and the production efficiency is reduced, and even the machine needs to be stopped for cleaning, a papermaking pulp purification and recovery device can be designed, which can brush off the pulp on the filter plate through reciprocating brushing, so that the filter plate discharges smoothly, thereby solving the problem that most of the time when filtering, will cause the filter plate to be blocked and reduce the filtering efficiency, so that the impurities and particles in the pulp cannot be effectively filtered, thereby the material is not discharged smoothly and the production efficiency is reduced, and even the machine needs to be stopped for cleaning. SUMMARY

[0004] In view of the deficiencies of the prior art, the purpose of the present utility model is to provide a papermaking pulp purification and recovery device, which aims to solve the technical problem that most of the time when filtering, will cause the filter plate to be blocked and reduce the filtering efficiency, so that the impurities and particles in the pulp cannot be effectively filtered, thereby the material is not discharged smoothly and the production efficiency is reduced, and even the machine needs to be stopped for cleaning under the prior art.

[0005] The technical scheme of the present utility model is as follows: a papermaking pulp purification and recovery device, comprising a filter box, a filter plate and a stirring assembly; a support column is arranged at the lower end of the filter box, a stirring box is arranged at the upper end of the filter box, a discharge plate is arranged at one side of the filter box, the discharge plate is provided with two groups, a liquid outlet pipe is arranged at the lower end of the filter box, a first electric valve is arranged at one side of the liquid outlet pipe, a stirring assembly is arranged at one side of the stirring box; a filter plate is arranged inside the filter box, a first motor is arranged at one side of the filter box, a first rotating shaft is arranged at the output end of the first motor, a first pulley is arranged outside the first rotating shaft, a first transmission belt is arranged outside the first pulley, a second pulley is arranged inside the first transmission belt, a second rotating shaft is arranged inside the second pulley, a movable plate is arranged inside the filter box, a sliding block is arranged at one side of the movable plate, a brush is arranged at the lower end of the movable plate, a connecting plate is arranged at one side of the movable plate, a connecting block is arranged outside the first transmission belt, and a movable block is arranged at one side of the connecting block.

[0006] Preferably, a groove is arranged at the corresponding position of the filter box and the second rotating shaft, and the second rotating shaft is rotatably connected inside the second rotating shaft groove.

[0007] Preferably, the connecting plate is provided with a sliding groove at a corresponding position of the movable block, and the movable block is slidingly connected in the sliding groove of the connecting plate.

[0008] Preferably, the filter box is provided with a sliding groove at a corresponding position of the sliding block, and the sliding block is slidingly connected in the sliding groove of the filter box.

[0009] Preferably, the stirring assembly comprises a second motor, the upper end of the stirring box is provided with the second motor, the output end of the second motor is provided with a first gear, one side of the first gear is provided with a second gear, the second gear is engaged with the first gear, the inner side of the second gear is provided with a third rotating shaft, the outer side of the third rotating shaft is provided with a stirring rod, the outer side of the stirring rod is provided with a scraper, the output end of the second motor is provided with a third pulley, the outer side of the third pulley is provided with a second transmission belt, the inner side of the second transmission belt is provided with a fourth pulley, the inner side of the fourth pulley is provided with a fourth rotating shaft, the outer side of the fourth rotating shaft is provided with a stirring blade, the lower end of the stirring box is provided with a discharge pipe, and the outer side of the discharge pipe is provided with a second electric valve.

[0010] Preferably, the stirring box is provided with a groove at a corresponding position of the third rotating shaft, and the third rotating shaft is rotatably connected in the groove of the stirring box.

[0011] Preferably, the third rotating shaft is provided with a groove at a corresponding position of the fourth rotating shaft, and the fourth rotating shaft is rotatably connected in the groove of the third rotating shaft.

[0012] The beneficial effects of the present application are as follows:

[0013] Compared with the traditional pulp purification and recovery device for papermaking, most of the filtering plates are blocked during filtering, which reduces the filtering efficiency, the impurities and particles in the pulp cannot be effectively filtered, the discharge is not smooth, the production efficiency is reduced, and even the machine needs to be stopped for cleaning. The device can solve the problem of the device. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 The three-dimensional structure schematic diagram of the pulp purification and recovery device for papermaking is shown.

[0015] Figure 2 The cross-sectional structure schematic diagram of the pulp purification and recovery device for papermaking is shown.

[0016] Figure 3 The cross-sectional structure schematic diagram of the reciprocating brushing assembly of the pulp purification and recovery device for papermaking is shown.

[0017] Figure 4 The utility model discloses a papermaking pulp purification and recovery device's stirring subassembly cross section structure schematic diagram is shown.

[0018] Mark explanation: 1, filter box, 2, support column, 3, stirring box, 4, discharge plate, 5, liquid outlet pipe, 6, first electric valve, 701, filter plate, 702, first motor, 703, first rotating shaft, 704, first pulley, 705, first transmission belt, 706, second pulley, 707, second rotating shaft, 708, movable plate, 709, brush, 710, connecting block, 711, movable block, 712, connecting plate, 713, sliding block, 801, second motor, 802, first gear, 803, second gear, 804, third rotating shaft, 805, stirring rod, 806, scraper, 807, third pulley, 808, second transmission belt, 809, fourth pulley, 810, fourth rotating shaft, 811, stirring blade, 812, blanking tube, 813, second electric valve. DETAILED DESCRIPTION

[0019] The utility model will be further explained below in connection with the drawings and examples.

[0020] Please refer to Figure 1 - Figure 4The utility model provides a kind of embodiment: papermaking slurry purification recovery device, including filter box 1, filter plate 701 and stirring assembly;Filter box 1 lower end is provided with support column 2, filter box 1 upper end is provided with stirring box 3, filter box 1 side is provided with discharge plate 4, discharge plate 4 is provided with two groups, filter box 1 lower end is provided with liquid outlet pipe 5, one side of liquid outlet pipe 5 is provided with first electric valve 6, stirring box 3 side is provided with stirring assembly;Filter box 1 inside is provided with filter plate 701, filter box 1 side is provided with first motor 702, first motor 702 output is provided with first rotating shaft 703, first rotating shaft 703 outside is provided with first pulley 704, first pulley 704 outside is provided with first transmission belt 705, first transmission belt 705 inside is provided with second pulley 706, second pulley 706 inside is provided with second rotating shaft 707, filter box 1 inside is provided with movable plate 708, movable plate 708 side is provided with sliding block 713, movable plate 708 lower end is provided with brush 709, movable plate 708 side is provided with connecting plate 712, first transmission belt 705 outside is provided with connecting block 710, connecting block 710 side is provided with movable block 711, the corresponding position of filter box 1 and second rotating shaft 707 is provided with groove, second rotating shaft 707 is rotatably connected in the inside of second rotating shaft 707 groove, by the corresponding position of filter box 1 and second rotating shaft 707 is provided with groove, so that second rotating shaft 707 is rotated in the inside of groove and plays the limiting effect, the corresponding position of connecting plate 712 and movable block 711 is provided with sliding slot, movable block 711 is slidably connected in the inside of connecting plate 712 sliding slot, by the corresponding position of connecting plate 712 and movable block 711 is provided with sliding slot, so that movable block 711 is slid in the inside of sliding slot and plays the limiting effect, the corresponding position of filter box 1 and sliding block 713 is provided with sliding slot, sliding block 713 is slidably connected in the inside of filter box 1 sliding slot, by the corresponding position of filter box 1 and sliding block 713 is provided with sliding slot, so that sliding block 713 is slid in the inside of sliding slot and plays the limiting effect, start first motor 702, first motor 702 drives first rotating shaft 703 rotation, first rotating shaft 703 drives first pulley 704 rotation, first pulley 704 drives first transmission belt 705 rotation, first transmission belt 705 drives second pulley 706 rotation, first transmission belt 705 drives connecting block 710 rotation, connecting block 710 drives movable block 711 movement, movable block 711 drives connecting plate 712, connecting plate 712 drives movable plate 708, movable plate 708 drives sliding block 713 in filter box 1 sliding slot sliding, so that movable plate 708 reciprocating motion, movable plate 708 drives brush 709 to brush slurry on the upper end of filter plate 701, and the slurry of brushing is flowed from discharge plate 4, open first electric valve 6, filtered slurry, through liquid outlet pipe 5 flow, complete purification recovery.

[0021] Please refer to Figure 4In the embodiment, the stirring assembly comprises a second motor 801, the upper end of the stirring box 3 is provided with the second motor 801, the output end of the second motor 801 is provided with a first gear 802, one side of the first gear 802 is provided with a second gear 803, the second gear 803 is engaged with the first gear 802, the inner side of the second gear 803 is provided with a third rotating shaft 804, the outer side of the third rotating shaft 804 is provided with a stirring rod 805, the outer side of the stirring rod 805 is provided with a scraper 806, the output end of the second motor 801 is provided with a third pulley 807, the outer side of the third pulley 807 is provided with a second transmission belt 808, the inner side of the second transmission belt 808 is provided with a fourth pulley 809, the inner side of the fourth pulley 809 is provided with a fourth rotating shaft 810, the outer side of the fourth rotating shaft 810 is provided with a stirring blade 811, the lower end of the stirring box 3 is provided with a discharging pipe 812, the outer side of the discharging pipe 812 is provided with a second electric valve 813, by providing the scraper 806, rotating the scraper 806, so that the scraper 806 scrapes the slurry on the inner wall of the stirring box 3, the corresponding positions of the stirring box 3 and the third rotating shaft 804 are provided with grooves, the third rotating shaft 804 is rotatably connected in the groove in the stirring box 3, by providing the grooves in the corresponding positions of the stirring box 3 and the third rotating shaft 804, the third rotating shaft 804 slides in the inner side of the groove, which plays a limiting effect, the corresponding positions of the third rotating shaft 804 and the fourth rotating shaft 810 are provided with grooves, the fourth rotating shaft 810 is rotatably connected in the groove in the third rotating shaft 804, by providing the grooves in the corresponding positions of the third rotating shaft 804 and the fourth rotating shaft 810, the fourth rotating shaft 810 rotates in the inner side of the groove, which plays a limiting effect.

[0022] When working, the slurry is added into the stirring box 3 by starting the second motor 801, the second motor 801 drives the first gear 802 to rotate, the first gear 802 drives the second gear 803 to rotate, the second gear 803 drives the third rotating shaft 804 to rotate, the third rotating shaft 804 drives the stirring rod 805 to rotate, the stirring rod 805 drives the scraper 806 to rotate, the second motor 801 drives the third pulley 807 to rotate, the third pulley 807 drives the second transmission belt 808 to rotate, the second transmission belt 808 drives the fourth pulley 809 to rotate, the fourth pulley 809 drives the fourth rotating shaft 810 to rotate, the fourth rotating shaft 810 drives the stirring blade 811 to rotate, the stirring rod 805 and the stirring blade 811 rotate to stir the slurry in the stirring box 3, after stirring, the second electric valve 813 is opened, the first motor 702 is started, then the slurry flows into the filter box 1 through the feeding pipe 812, is filtered through the filter plate 701, the first motor 702 drives the first rotating shaft 703 to rotate, the first rotating shaft 703 drives the first pulley 704 to rotate, the first pulley 704 drives the first transmission belt 705 to rotate, the first transmission belt 705 drives the second pulley 706 to rotate, the first transmission belt 705 drives the connecting block 710 to rotate, the connecting block 710 drives the movable block 711 to move, the movable block 711 drives the connecting plate 712, the connecting plate 712 drives the movable plate 708, the movable plate 708 drives the sliding block 713 to slide in the sliding groove of the filter box 1, so that the movable plate 708 reciprocates, the movable plate 708 drives the brush 709 to brush off the slurry on the upper end of the filter plate 701, the brushed-off slurry flows out from the discharge plate 4, the first electric valve 6 is opened, the filtered slurry flows out through the liquid outlet pipe 5, and the purification and recovery are completed.

[0023] Through the above steps, the first motor 702 is started, the first motor 702 drives the first rotating shaft 703 to rotate, the first rotating shaft 703 drives the first pulley 704 to rotate, the first pulley 704 drives the first transmission belt 705 to rotate, the first transmission belt 705 drives the second pulley 706 to rotate, the first transmission belt 705 drives the connecting block 710 to rotate, the connecting block 710 drives the movable block 711 to move, the movable block 711 drives the connecting plate 712, the connecting plate 712 drives the movable plate 708, the movable plate 708 drives the sliding block 713 to slide in the sliding groove of the filter box 1, so that the movable plate 708 reciprocates, the movable plate 708 drives the brush 709 to brush off the slurry on the upper end of the filter plate 701, the brushed-off slurry flows out from the discharge plate 4, the first electric valve 6 is opened, the filtered slurry flows out through the liquid outlet pipe 5, and the purification and recovery are completed.

[0024] The embodiments of the utility model are explained in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge of the person skilled in the art without departing from the purpose of the utility model.

Claims

1. A device for purifying and recycling pulp for papermaking, comprising a filter tank (1); characterized in that: It also includes filter plate (701) and stirring assembly; the lower end of filter box (1) is provided with support column (2), the upper end of filter box (1) is provided with stirring box (3), one side of filter box (1) is provided with discharge plate (4), discharge plate (4) is provided with two groups, the lower end of filter box (1) is provided with liquid outlet pipe (5), one side of liquid outlet pipe (5) is provided with first electric valve (6), one side of stirring box (3) is provided with stirring assembly;The inside of filter box (1) is provided with filter plate (701), one side of filter box (1) is provided with first motor (702), the output end of first motor (702) is provided with first rotating shaft (703), the outside of first rotating shaft (703) is provided with first pulley (704), the outside of first pulley (704) is provided with first transmission belt (705), the inside of first transmission belt (705) is provided with second pulley (706), the inside of second pulley (706) is provided with second rotating shaft (707), the inside of filter box (1) is provided with movable plate (708), one side of movable plate (708) is provided with sliding block (713), the lower end of movable plate (708) is provided with brush (709), one side of movable plate (708) is provided with connecting plate (712), the outside of first transmission belt (705) is provided with connecting block (710), one side of connecting block (710) is provided with movable block (711).

2. A papermaking pulp purification and recovery apparatus according to claim 1, characterized in that: The corresponding position of filter box (1) and second rotating shaft (707) is provided with a groove, and the second rotating shaft (707) is rotatably connected in the groove of the second rotating shaft (707).

3. A papermaking pulp purification and recovery apparatus according to claim 1, characterized in that: The corresponding position of connecting plate (712) and movable block (711) is provided with a sliding groove, and the movable block (711) is slidably connected in the sliding groove of the connecting plate (712).

4. A papermaking pulp purification and recovery apparatus according to claim 1, characterized in that: The corresponding position of filter box (1) and sliding block (713) is provided with a sliding groove, and the sliding block (713) is slidably connected in the sliding groove of the filter box (1).

5. The apparatus of claim 1, wherein: The stirring assembly comprises a second motor (801), a stirring box (3) is provided with a second motor (801) at the upper end, a first gear (802) is provided at the output end of the second motor (801), a second gear (803) is provided at one side of the first gear (802), the second gear (803) is engaged with the first gear (802), a third rotating shaft (804) is provided at the inside of the second gear (803), a stirring rod (805) is provided at the outside of the third rotating shaft (804), a scraper (806) is provided at the outside of the stirring rod (805), a third pulley (807) is provided at the output end of the second motor (801), a second transmission belt (808) is provided at the outside of the third pulley (807), a fourth pulley (809) is provided at the inside of the second transmission belt (808), a fourth rotating shaft (810) is provided at the inside of the fourth pulley (809), a stirring blade (811) is provided at the outside of the fourth rotating shaft (810), a discharge pipe (812) is provided at the lower end of the stirring box (3), and a second electric valve (813) is provided at the outside of the discharge pipe (812).

6. A papermaking pulp purification and recovery apparatus according to claim 5, characterized in that: The corresponding position of stirring box (3) and third rotating shaft (804) is provided with a groove, and the third rotating shaft (804) is rotatably connected in the groove of the stirring box (3).

7. A papermaking pulp purification and recovery apparatus according to claim 5, characterized in that: The third rotating shaft (804) and the fourth rotating shaft (810) are provided with slots at corresponding positions, and the fourth rotating shaft (810) is rotationally connected in the slot of the third rotating shaft (804).