CN223163687U - Deslagging device for low-concentration paper pulp - Google Patents

Abstract

The utility model discloses a deslagging device for low-concentration paper pulp, which comprises a deslagging box, wherein the deslagging box is internally divided into a discharging cavity and a feeding cavity which are respectively positioned at the left side and the right side by a partition plate which is arranged on the side, the upper end of the feeding cavity is connected with a feeding pipe, the lower end of the discharging cavity is connected with a discharging pipe, a through hole is formed in the partition plate, a screen is arranged in the through hole, the lower end of the screen is arranged near the bottom of the deslagging box, a vertically arranged air cylinder is arranged at the upper end of the deslagging box, a telescopic rod of the air cylinder stretches downwards into the feeding cavity, a hairbrush attached to the screen is fixedly arranged at the lower end of the telescopic rod of the air cylinder, the width of the hairbrush is not less than the width of the screen, the filtering efficiency of the screen is ensured, and meanwhile, the concentration of paper pulp cannot be changed.

Description

Deslagging device for low-concentration paper pulp

Technical Field

The utility model relates to the technical field of pulp deslagging, in particular to a deslagging device for low-concentration pulp.

Background

In recycling of the cardboard, after the cardboard is prepared into paper pulp, some fixed residues remain in the paper pulp and need to be removed.

The utility model discloses a regenerated pulp deslagging and filtering device with the patent number of CN216170450U, which comprises a treatment box, wherein the top end of the treatment box is provided with a box cover, the bottom end of the treatment box is provided with supporting legs, the top end of the box cover is provided with a driving motor, one side of the driving motor is provided with a pulp inlet pipe, the other side of the driving motor is provided with a first output shaft, the first output shaft is connected with a hollow shaft, the bottom end of the hollow shaft is provided with stirring blades, an upper filter screen and a lower filter screen are arranged in the treatment box, the bottom end of each filter screen is provided with a fixed block, the top end of each filter screen is provided with a hairbrush and a water spraying pipe, the bottom end of the water spraying pipe is uniformly provided with a plurality of high-pressure spray heads, one side of the bottom end of the treatment box is provided with a double-shaft motor, two sides of the double-shaft motor are provided with a second output shaft, the top end of the cam is provided with a fixed column, and the bottom end of the fixed column is provided with a roller. The utility model has reasonable design, simple and convenient operation, good deslagging effect and practicability, and effectively prevents the filter screen from blocking.

In the above patent, although the filter screen can be placed to be blocked, since the filter screen is washed by the water spray pipe while filtering, the clean water used for washing is mixed into the pulp, resulting in a decrease in the pulp concentration after filtering.

Disclosure of utility model

In order to solve the defects in the prior art, the utility model provides a deslagging device for low-concentration paper pulp.

In order to achieve the technical effects, the utility model adopts the following scheme:

The utility model provides a dross removal mechanism that low concentration paper pulp was used, includes the slagging-off case, the division board that sets up through the side sets up divide into respectively and is located ejection of compact chamber and the feed chamber of left and right sides in the slagging-off case, the upper end in feed chamber is connected with the inlet pipe, the lower extreme in ejection of compact chamber is connected with row's material pipe, the through-hole has been seted up on the division board, install the screen cloth in the through-hole, the lower extreme of screen cloth is close to the bottom setting of slagging-off case, the cylinder of vertical setting is installed to the upper end of slagging-off case, the telescopic link of cylinder stretches into the feed intracavity downwards, the telescopic link lower extreme fixed mounting of cylinder has the brush of subsides on the screen cloth, the width of brush is not less than the width of screen cloth.

According to the preferred technical scheme, the bottom of the feeding cavity is sunken downwards to form a sedimentation box, a drain outlet is formed in the lower end of the sedimentation box, and a valve is arranged at the drain outlet.

The preferred technical scheme, the junction matching of feed cavity and precipitation box is equipped with the closure plate, one side fixedly connected with of closure plate is connected with the pivot of precipitation box rotation, the pivot is through being located the motor drive rotation on the precipitation box outer wall.

According to the preferred technical scheme, a spray head facing the screen is arranged at the top of the discharging cavity, and the spray head is connected with a water supply pipe.

According to the preferable technical scheme, a slurry feeding and pressurizing pump is arranged on the feeding pipe.

Compared with the prior art, the beneficial effects are as follows:

The utility model has simple structure and convenient use, the paper pulp to be filtered is sent into the feeding cavity through the feeding pipe, filtered by the laterally arranged screen mesh and then enters the discharging cavity and is discharged by the discharging pipe, because the screen mesh is laterally arranged, the solid residues fall under the action of gravity, the adhesion quantity on the screen mesh can be reduced, the blocking probability of the screen mesh is reduced, and after one end of filtering, the air cylinder pushes the hairbrush to move on the screen mesh to clean the residues adhered on the screen mesh, thereby ensuring the filtering efficiency of the screen mesh and simultaneously not changing the concentration of the paper pulp.

Drawings

FIG. 1 is a schematic cross-sectional view of the present utility model.

The device comprises a reference numeral 1, a deslagging box, 2, a partition plate, 3, a feeding cavity, 4, a discharging cavity, 5, a feeding pipe, 6, a discharging pipe, 7, a screen, 8, a cylinder, 9, a hairbrush, 10, a sedimentation box, 11, a mist discharging port, 12, a closing plate, 13, a slurry feeding pressurizing pump, 14 and a spray head.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

The utility model provides a dross removal mechanism that low concentration paper pulp was used, includes slagging-off case 1, the division board 2 through the setting of standing in the slagging-off case 1 divide into respectively be located the ejection of compact chamber 4 and the feeding chamber 3 of left and right sides, the upper end in feeding chamber 3 is connected with inlet pipe 5, the lower extreme in ejection of compact chamber 4 is connected with row's material pipe, the through-hole has been seted up on the division board 2, install screen cloth 7 in the through-hole, the lower extreme of screen cloth 7 is close to the bottom setting of slagging-off case 1, the cylinder 8 of vertical setting is installed to the upper end of slagging-off case 1, the telescopic link of cylinder 8 stretches into the feeding intracavity downwards, the telescopic link lower extreme fixed mounting of cylinder 8 has the brush 9 of subsides on screen cloth 7, the width of brush 9 is not less than the width of screen cloth 7.

The pulp to be filtered is fed into the feeding cavity 3 through the feeding pipe 5, is filtered through the screen 7 arranged on the side, enters into the discharging cavity 4 and is discharged through the discharging pipe, and because the screen 7 is arranged on the side, solid residues fall down under the action of gravity, the adhesion quantity on the screen 7 can be reduced, the blocking probability of the screen 7 is reduced, after one end of filtering, the brush 9 is pushed to move on the screen 7 through the cylinder 8, and the residues adhered on the screen 7 are cleaned, so that the filtering efficiency of the screen 7 is ensured, and the concentration of the pulp cannot be changed.

According to the preferred technical scheme, the bottom of the feeding cavity 3 is sunken downwards to form a sedimentation box 10, a drain outlet is formed in the lower end of the sedimentation box 10, and a valve is arranged at the drain outlet.

The residue which is brushed off by the brush 9 falls into the sedimentation box 10 to be sedimented by self gravity, and the valve is opened to be discharged after a certain time.

The preferred technical scheme, the junction matching of feed cavity 3 and precipitation box 10 is equipped with shut down board 12, one side fixedly connected with of shut down board 12 is connected with the pivot of precipitation box 10 rotation, the pivot is through being located the motor drive rotation on the precipitation box 10 outer wall.

The motor drives the closing plate 12 to rotate, and the communication between the feeding cavity 3 and the sedimentation box 10 is closed by the closing plate 12 when needed.

According to the preferred technical scheme, a spray head 14 facing the screen 7 is arranged at the top of the discharging cavity 4, and the spray head 14 is connected with a water supply pipe.

After the filtration is finished, the screen 7 is washed through the spray head 14, and as residues are mainly attached to one side of the screen 7, which is positioned on the feeding cavity 3, the spray head 14 is used for back washing the screen 7 in the discharging cavity 4, so that the attached residues on the screen 7 are more easily washed away.

In a preferred technical scheme, a slurry feeding and pressurizing pump 13 is arranged on the feeding pipe 5.

The pulp feeding pressurizing pump 13 is used for pressurizing, so that the pressure in the feeding cavity 3 is increased, the pulp in the feeding cavity 3 is promoted to pass through the screen 7 to the discharging cavity 4, and the filtering efficiency is improved.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "top", "bottom", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, or the directions or positional relationships conventionally put in place when the inventive product is used, or the directions or positional relationships conventionally understood by those skilled in the art are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in a specific direction, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Claims (5)

1. The utility model provides a dross removal mechanism that low concentration paper pulp was used, its characterized in that, including slagging-off case (1), separator plate (2) through the setting of standing in slagging-off case (1) divide into discharge chamber (4) and feed chamber (3) that are located left and right sides respectively, the upper end of feed chamber (3) is connected with inlet pipe (5), the lower extreme of discharge chamber (4) is connected with row's material pipe, the through-hole has been seted up on separator plate (2), install screen cloth (7) in the through-hole, the lower extreme of screen cloth (7) is close to the bottom setting of slagging-off case (1), cylinder (8) of vertical setting are installed to the upper end of slagging-off case (1), in stretching into feed chamber (3) downwards to the telescopic link lower extreme fixed mounting of cylinder (8) has brush (9) of pasting on screen cloth (7), the width of brush (9) is not less than the width of screen cloth (7).

2. The deslagging device for low-concentration pulp according to claim 1, wherein the bottom of the feeding cavity (3) is recessed downwards to form a sedimentation box (10), a drain outlet is arranged at the lower end of the sedimentation box (10), and a valve is arranged at the drain outlet.

3. A deslagging device for low-consistency pulp according to claim 2, characterized in that a closing plate (12) is arranged at the joint of the feeding cavity (3) and the sedimentation box (10) in a matched manner, one side of the closing plate (12) is fixedly connected with a rotating shaft which is rotationally connected with the sedimentation box (10), and the rotating shaft is driven to rotate by a motor positioned on the outer wall of the sedimentation box (10).

4. A deslagging device for low-consistency pulp as in claim 2, characterized in that the top of the discharge chamber (4) is provided with a spray head (14) facing the screen (7), the spray head (14) being connected with a water supply pipe.

5. A deslagging device for low-consistency pulp as claimed in claim 1, characterized in that the feed pipe (5) is provided with a pulp feed booster pump (13).