阅读说明：本技术 中低浓度分流式轻质除渣器 (Middle-low concentration shunting light slag remover ) 是由 马丽芬 朱家军 王希财 于 2021-09-06 设计创作，主要内容包括：本发明公开了中低浓度分流式轻质除渣器,包括安装架、设置在安装架上端的进浆管与良浆出管、设置在安装架内部的多个除渣器本体、设置在多个除渣器本体下端的渣浆出管和设置在安装架一侧的浆液回收机构,所述浆液回收机构包括设置在安装架一侧的壳体。本发明中,通过设置的浆液回收机构能够将渣浆出管内部的浆液进行回收,用于再次进入除渣器本体减少纸浆除渣的损失,通过空心轴、圆形过滤板和环形过滤网的相互配合能够使得高效的对渣浆进行过滤,并且还可以对环形过滤网的内部进行自清洁,大大的而提高了浆液回收机构的使用时间。(The invention discloses a middle-low concentration shunting type light slag remover, which comprises a mounting rack, a slurry inlet pipe and a good slurry outlet pipe which are arranged at the upper end of the mounting rack, a plurality of slag remover bodies arranged inside the mounting rack, slag slurry outlet pipes arranged at the lower ends of the slag remover bodies and a slurry recycling mechanism arranged at one side of the mounting rack, wherein the slurry recycling mechanism comprises a shell arranged at one side of the mounting rack. According to the invention, the slurry in the slurry outlet pipe can be recovered through the arranged slurry recovery mechanism and is used for entering the slag remover body again to reduce the loss of paper pulp slag removal, the slurry can be efficiently filtered through the mutual matching of the hollow shaft, the circular filter plate and the annular filter screen, and the interior of the annular filter screen can be self-cleaned, so that the service time of the slurry recovery mechanism is greatly prolonged.)

1. The medium-low concentration shunting type light slag remover is characterized by comprising a mounting frame (1), a slurry inlet pipe (2) and a good slurry outlet pipe (4) which are arranged at the upper end of the mounting frame (1), a plurality of slag remover bodies (3) which are arranged inside the mounting frame (1), slag slurry outlet pipes (5) which are arranged at the lower ends of the slag remover bodies (3) and a slurry recycling mechanism (6) which is arranged on one side of the mounting frame (1);

the slurry recycling mechanism (6) comprises a shell (61) arranged on one side of the mounting frame (1), two partition plates (62) arranged inside the shell (61), a driving motor (63) arranged at the upper end of the shell (61) and a hollow shaft (64) rotatably arranged inside the shell (61), wherein the output end of the driving motor (63) is connected with the hollow shaft (64), the inside of the shell (61) is divided into a liquid cavity, a filter cavity and a liquid storage cavity by the two partition plates (62) from top to bottom, an annular filter screen (65) is arranged inside the filter cavity, semicircular liquid inlets are symmetrically formed in the middle of the partition plates (62) below the inside of the shell (61), a suction nozzle (66) is arranged inside the annular filter screen (65) of the hollow shaft (64), the suction nozzle (66) is communicated with the inside of the hollow shaft (64), and a circular filter plate (67) is arranged at the lower end of the hollow shaft (64), the upper end slope of circular filter (67) is equipped with a plurality of blades, the lower extreme of circular filter (67) contacts with the upper end of division board (62) that the below set up.

2. The medium-low concentration split-flow type light slag remover according to claim 1, wherein a recovery pipe (68) is arranged on one side of the housing (61), the recovery pipe (68) is communicated with the slurry inlet pipe (2), the slurry outlet pipe (5) is communicated with the liquid storage cavity, a liquid outlet is arranged inside the liquid outlet cavity of the hollow shaft (64), a drain pipe (69) is arranged on one side of the liquid outlet cavity, and an electromagnetic control valve is arranged at the pipe orifice of the drain pipe (69).

3. The medium-low concentration flow-dividing type light slag remover according to claim 1, wherein a pressure difference controller is arranged on one side of the shell (61), the pressure difference controller comprises a pressure sensor and a controller, the filter cavity and the liquid storage cavity are communicated with the pressure sensor inside the pressure difference controller through connecting pipes, and the signal output end of the pressure difference controller is communicated with an electromagnetic control valve.

4. The medium and low concentration split-flow type light slag remover according to claim 1, wherein the bottom of the shell (61) is provided with a slope and the lowest part is provided with a sewage draining outlet.

5. The medium and low concentration flow-dividing light slag remover according to claim 1, wherein the ring-shaped filter screen (65) is fixed between two partition plates (62) by connecting bolts.

Technical Field

The invention relates to the technical field of light slag separators, in particular to a medium-low concentration split-flow light slag separator.

Background

The slag remover is a device for removing impurities with density different from that of slurry by using the centrifugal principle, the upper part of the slag remover is made of stainless steel, the lower part of the slag remover is made of polyurethane material by injection molding, the inner wall of a main body is designed as a spiral cone,

the light scummer is specially designed for removing the impurity whose specific weight is less than that of fibre in the pulp, and it has important significance for purifying waste pulp.

At present, in order to reduce the dust degree of paper pulp, slag separators are generally bundled or arranged in parallel, tailings are precipitated and then led into a light slag separator through a filter screen, so that the loss of paper pulp slag removal is reduced, but the method for recycling the pulp has low efficiency and is not suitable for removing the pulp slag for a long time.

Disclosure of Invention

The invention aims to: the medium-low concentration shunting type light slag remover is provided for solving the problem of secondary efficient utilization of the tailings of the light slag remover.

In order to achieve the purpose, the invention adopts the following technical scheme:

the medium-low concentration shunting type light slag remover comprises a mounting rack, a slurry inlet pipe and a good slurry outlet pipe which are arranged at the upper end of the mounting rack, a plurality of slag remover bodies arranged in the mounting rack, slag slurry outlet pipes arranged at the lower ends of the slag remover bodies and a slurry recycling mechanism arranged on one side of the mounting rack;

the slurry recycling mechanism comprises a shell arranged on one side of the mounting frame, two partition plates arranged inside the shell, a driving motor arranged at the upper end of the shell and a hollow shaft arranged inside the shell in a rotating mode, wherein the output end of the driving motor is connected with the hollow shaft, the two partition plates divide the inside of the shell into a liquid cavity, a filter cavity and a liquid storage cavity from top to bottom, an annular filter screen is arranged inside the filter cavity, semicircular liquid inlets are symmetrically formed in the middle of the partition plates below the inside of the shell, suction nozzles are arranged inside the annular filter screen and communicated with the inside of the hollow shaft, a circular filter plate is arranged at the lower end of the hollow shaft, a plurality of blades are obliquely arranged at the upper end of the circular filter plate, and the lower end of the circular filter plate is in contact with the upper end of the partition plate arranged below.

As a further description of the above technical solution:

one side of the shell is provided with a recovery pipe, the recovery pipe is communicated with the slurry inlet pipe, the slurry outlet pipe is communicated with the liquid storage cavity, the hollow shaft is provided with a liquid outlet inside the liquid outlet cavity, one side of the liquid outlet cavity is provided with a drain pipe, and the pipe orifice of the drain pipe is provided with an electromagnetic control valve.

As a further description of the above technical solution:

one side of the shell is provided with a pressure difference controller, the pressure difference controller comprises a pressure sensor and a controller, the filter cavity and the liquid storage cavity are communicated with the pressure sensor in the pressure difference controller through a connecting pipe, and the signal output end of the pressure difference controller is communicated with the electromagnetic control valve.

As a further description of the above technical solution:

the bottom of casing is equipped with the slope and the lowest is equipped with the drain.

As a further description of the above technical solution:

the annular filter screen is fixed between the two partition plates through connecting bolts.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

according to the invention, the slurry in the slurry outlet pipe can be recovered through the arranged slurry recovery mechanism and is used for entering the slag remover body again to reduce the loss of paper pulp slag removal, the slurry can be efficiently filtered through the mutual matching of the hollow shaft, the circular filter plate and the annular filter screen, and the interior of the annular filter screen can be self-cleaned, so that the service time of the slurry recovery mechanism is greatly prolonged.

Drawings

FIG. 1 shows a schematic view of a lightweight slag separator according to an embodiment of the invention;

FIG. 2 is a schematic diagram of a slurry recovery mechanism provided according to an embodiment of the invention;

FIG. 3 illustrates a top view of a circular filter plate provided in accordance with an embodiment of the present invention;

FIG. 4 illustrates a schematic diagram of a partition structure provided in accordance with an embodiment of the present invention;

fig. 5 shows a schematic diagram a in fig. 2 provided in accordance with an embodiment of the present invention.

Illustration of the drawings:

1. a mounting frame; 2. a pulp inlet pipe; 3. a slag remover body; 4. discharging the fine pulp; 5. discharging a slag slurry pipe; 6. a slurry recovery mechanism; 61. a housing; 62. a partition plate; 63. a drive motor; 64. a hollow shaft; 65. an annular filter screen; 66. a suction nozzle; 67. a circular filter plate; 671. a blade; 68. a recovery pipe; 69. a sewage discharge pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the medium-low concentration shunting type light slag remover comprises a mounting rack 1, a slurry inlet pipe 2 and a good slurry outlet pipe 4 which are arranged at the upper end of the mounting rack 1, a plurality of slag remover bodies 3 arranged inside the mounting rack 1, slag slurry outlet pipes 5 arranged at the lower ends of the slag remover bodies 3 and a slurry recycling mechanism 6 arranged at one side of the mounting rack 1;

slurry recycling mechanism 6 is including setting up the casing 61 in mounting bracket 1 one side, set up two inside division boards 62 at casing 61, the driving motor 63 that sets up in casing 61 upper end sets up the hollow shaft 64 in casing 61 inside with rotating, driving motor 63's output is connected with hollow shaft 64, two inside top-down with casing 61 are cut apart into out the sap cavity to division board 62, filter chamber and stock solution chamber, the inside annular filter screen 65 that is equipped with of filter chamber, semi-circular inlet has been seted up to division board 62 middle part symmetry of the inside below of casing 61, hollow shaft 64 is equipped with suction nozzle 66 in annular filter screen 65's inside, suction nozzle 66 is linked together with hollow shaft 64's inside, the lower extreme of hollow shaft 64 is equipped with circular filter 67, the upper end slope of circular filter 67 is equipped with a plurality of blades, the lower extreme of circular filter 67 contacts with the upper end of the division board 62 that the below set up.

Further, a recovery pipe 68 is arranged on one side of the shell 61, the recovery pipe 68 is communicated with the slurry inlet pipe 2, the slurry outlet pipe 5 is communicated with the liquid storage cavity, a liquid outlet is arranged in the liquid outlet cavity of the hollow shaft 64, a drain pipe 69 is arranged on one side of the liquid outlet cavity, and an electromagnetic control valve is arranged at the pipe orifice of the drain pipe 69.

Further, a pressure difference controller is arranged on one side of the shell 61, the pressure difference controller comprises a pressure sensor and a controller, the filter cavity and the liquid storage cavity are communicated with the pressure sensor in the pressure difference controller through a connecting pipe, and a signal output end of the pressure difference controller is communicated with the electromagnetic control valve.

Further, the bottom of the housing 61 is provided with a slope and the lowest part is provided with a drain outlet.

Further, the annular filter screen 65 is fixed between the two partition plates 62 by connecting bolts.

The working principle is as follows: when in use, the middle-low concentration slurry is introduced into the cleaner body 3 from the slurry inlet pipe 2, after centrifugal separation of the cleaner body 3, the good slurry is discharged from the good slurry outlet pipe 4, the separated slurry is introduced into the liquid storage cavity in the shell 61 from the slurry outlet pipe 5, the slurry flows into the filter cavity from two semicircular liquid inlets formed on the partition plate 62, the driving motor 63 is started, the driving motor 63 drives the circular filter plate 67 to rotate, the slurry is filtered once through the circular filter plate 67, the partition plate 62 can also clean the lower end of the circular filter plate 67, when the circular filter plate 67 rotates, the blades 671 are rotated to promote the flow rate of the slurry, accelerate the primary filtering speed, when the primary filtered slurry enters the annular filter screen 65 to be filtered, the filtered slurry is introduced into the slurry inlet pipe 2 from the recovery pipe 68, and unfiltered impurities are attached to the inner wall of the annular filter screen 65, when the pressure difference between the filter cavity and the liquid storage cavity reaches a preset value, the pressure difference controller sends a signal to an electromagnetic control valve at the pipe orifice of the sewage discharge pipe 69, the electromagnetic control valve is opened, the suction nozzle 66 is further enabled to suck impurities in the annular filter screen 65 away, the interior of the annular filter screen 65 is cleaned, when the pressure of the filter cavity and the pressure of the liquid storage cavity are equal, the electromagnetic control valve is closed, and then the slurry recycling mechanism 6 continues to filter and recycle the slurry.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.