CN214245105U

CN214245105U - Pre-concentration device of spiral press master

Info

Publication number: CN214245105U
Application number: CN202021483039.0U
Authority: CN
Inventors: 吴建雄; 汪峰; 徐刘焱
Original assignee: Shanying International Holding Co Ltd
Current assignee: Shanying International Holding Co Ltd
Priority date: 2020-07-24
Filing date: 2020-07-24
Publication date: 2021-09-21
Anticipated expiration: 2030-07-24

Abstract

The utility model discloses a pre-concentration device of a spiral pulp extruder, which comprises a concentration barrel, wherein the top of the concentration barrel is provided with a conveying pipeline, the other end of the conveying pipeline is provided with a stirring barrel, the top of the stirring barrel is provided with a feeding pipeline, the top of the stirring barrel is provided with a motor, the rotating shaft of the motor is vertically arranged, the motor is provided with a stirring shaft, the stirring shaft is provided with stirring blades, the upper end of the concentration barrel is provided with a water inlet pipe which passes through the side wall of the concentration barrel and extends into the concentration barrel, the water inlet pipe is provided with a sprayer, the concentration barrel is internally provided with a filter sieve, the side wall of the concentration barrel is provided with a discharge hole, the discharge port is provided with a discharge pipeline, the side wall of the concentration barrel is provided with a water outlet, the water outlet is positioned below the filter screen, the water outlet is provided with a water outlet pipeline, and the outer wall of the concentration barrel is provided with a controller. The utility model has the characteristics of ability self-cleaning filter sieve and effectively reduce fine sand in the tailings thick liquids.

Description

Pre-concentration device of spiral press master

Technical Field

The utility model belongs to the dewatering device field especially relates to a pre-concentration device of spiral press master.

Background

In the last working section of a pulping workshop of the paper industry process, tailings slurry needs to be conveyed to a spiral pulp extruder to be dehydrated, and the treated slurry is conveyed to the next working section.

Because the tailings slurry is a mixture of a large amount of fine sand impurities and fibers, if the tailings slurry is directly added into the spiral pulp extruder, the screen holes of the spiral pulp extruder are easy to be pasted by fine sand to influence dehydration; when the concentration of the tailing slurry is slightly dilute, the spiral pulp extruder is not easy to form a material plug, and the tailing slurry can even break through the material plug layer and be sprayed out from the outlet when the flow is large, so that the working efficiency is greatly influenced.

In the prior art, the tailing slurry is filtered by using a filter screen before entering a press master, and redundant water is filtered and then sent to a spiral press master, but the method needs an operator to clean the filter screen at regular time, otherwise the filter screen is blocked by fine sand and loses a water separation function, so that more manpower is consumed; the pure use of the filter screen only plays a role in water separation, does not effectively remove fine sand mixed in the slurry, and still influences the work of the spiral pulp extruder to a certain extent.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems existing in the prior art, the utility model provides a pre-concentration device of a spiral pulp extruder, which has the characteristics of automatically cleaning a filter sieve and effectively reducing fine sand in tailing slurry.

In order to achieve the above object, the utility model provides a following technical scheme:

a pre-concentration device of a spiral pulp extruder comprises a concentration barrel, wherein a conveying pipeline is arranged at the top of the concentration barrel, a stirring barrel is arranged at the other end of the conveying pipeline, the conveying pipeline is connected to the bottom of the stirring barrel, a feeding pipeline is arranged at the top of the stirring barrel, a motor is arranged at the top of the stirring barrel, the motor is in bolted connection with the stirring barrel, a rotating shaft of the motor is vertically arranged, the motor is connected with a stirring shaft through a coupler, the stirring shaft and the rotating shaft of the motor are in the same straight line, the stirring shaft penetrates through the top of the stirring barrel and extends into the stirring barrel, stirring blades are welded on the stirring shaft, a water inlet pipe is arranged at the upper end of the concentration barrel, the water inlet pipe horizontally penetrates through the side wall of the concentration barrel and extends into the concentration barrel, and a sprayer is arranged on the part, positioned in the concentration barrel, of the water inlet pipe, the nozzle of the sprayer aims at the bottom of the concentrating barrel, a filter sieve is arranged in the concentrating barrel, a discharge port is formed in the side wall of the concentrating barrel, the discharge port is located above the filter sieve, a discharge pipeline is arranged on the discharge port, a water outlet is formed in the side wall of the concentrating barrel, the water outlet is located below the filter sieve, a water outlet pipeline is formed in the water outlet, a controller is arranged on the outer wall of the concentrating barrel, and the controller is a PLC.

The utility model discloses in: and electromagnetic valves are arranged on the conveying pipeline and the feeding pipeline.

The utility model discloses in: the mesh number of the filter screen is 50-80, and the filter screen is obliquely arranged and forms an included angle of 20-40 degrees with the ground.

The utility model discloses in: and a liquid level sensor A and a liquid level sensor B are arranged on the inner wall of the stirring barrel, and the liquid level sensor A is positioned above the liquid level sensor B.

The utility model discloses in: the controller is electrically connected with the electromagnetic valve, the liquid level sensor A, the liquid level sensor B and the motor.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model controls the working states of the electromagnetic valve, the liquid level sensor and the motor by the controller, realizes full automation of the whole working process, and does not need extra labor;

2. the utility model can utilize the stirring blade to stir the tailing slurry evenly, so that the fine sand is separated from the fiber and then sent into the concentration barrel to be washed by the sprinkler, and the fine sand in the tailing slurry can be effectively reduced;

3. the utility model discloses a sprinkler also can wash the filter sieve when washing the tailings thick liquids, prevents that the sieve mesh from blockking up.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the concentrating tank shown in FIG. 1 in combination with a filter sieve, a water inlet pipe, a discharge pipe and a water outlet pipe;

in the figure: 1-a concentration barrel; 2-a conveying pipeline; 3, a stirring barrel; 4-a feed conduit; 5, a stirring shaft; 6-stirring blades; 7, a water inlet pipe; 8-sprinklers; 9-a filter sieve; 10-a discharge hole; 11-a discharge pipe; 12-a water outlet; 13-water outlet pipe; 14-a solenoid valve; 15-level sensor a; 16-a controller; 17-level sensor B; 18-motor.

Detailed description of the preferred embodiments

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It should be noted that when an element is referred to as being "disposed," it can be directly on another element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element using some sort of connection or intervening elements may also be present. The terms "sidewall," "top," "bottom," and the like as used herein are for illustrative purposes only and do not represent a unique embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Fig. 1 and 2 are schematic views illustrating a preferred embodiment of the present invention.

A pre-concentration device of a spiral pulp extruder comprises a concentration barrel 1, wherein a conveying pipeline 2 is arranged at the top of the concentration barrel 1, an electromagnetic valve 14 is arranged on the conveying pipeline 2, the other end of the conveying pipeline 2 is connected to the bottom of an agitating barrel 3, a feeding pipeline 4 is arranged at the top of the agitating barrel 3, the electromagnetic valve 14 is arranged on the feeding pipeline 4, a motor 18 is connected to the top of the agitating barrel 3 through a bolt, a rotating shaft of the motor 18 is vertically arranged, the rotating shaft 5 of the motor 18 is connected with an agitating shaft 5 through a coupler, the agitating shaft 5 penetrates through the top of the agitating barrel 3 and extends into the agitating barrel 3, agitating blades 6 are welded on the agitating shaft 5, a water inlet pipe 7 is arranged at the upper end of the concentration barrel 1, the water inlet pipe 7 horizontally penetrates through the side wall of the concentration barrel 1 and extends into the concentration barrel 1, the water inlet pipe 7 is fixed at the joint with the concentration barrel 1, and a sprayer 8 is arranged on the water inlet pipe 7 in the part in the concentration barrel 1, the inlet tube 7 is that sprinkler 8 provides the required water that sprays, be equipped with filter sieve 9 in the concentrated bucket 1, filter sieve 9's mesh number is 60, can let water and fine sand pass through, the fibre of tailings thick liquids can't pass through, filter sieve 9 is 20 contained angles with the bottom surface, be equipped with discharge gate 10 on the concentrated bucket 1 lateral wall, discharge gate 10 is located the lower top of filter sieve 9 of slope, the tailings thick liquids that conveniently processes the processing flow out from discharge gate 10, be equipped with ejection of compact pipeline 11 on the discharge gate 10, be equipped with delivery port 12 on the concentrated bucket 1 lateral wall, the lower of delivery port 12 flushes with the bottom of concentrated bucket 1, the unnecessary water that conveniently filters the acquisition flows out from delivery port 12 with fine sand, be equipped with outlet conduit 13 on the delivery port 12, be equipped with controller 16 on the outer wall of concentrated bucket 1, controller 16 is the PLC controller.

Then the utility model discloses in: and a liquid level sensor A15 and a liquid level sensor B17 are arranged on the inner wall of the stirring barrel 3, and the liquid level sensor A15 is positioned above the liquid level sensor B17.

The utility model discloses in: the controller 16 is electrically connected to the solenoid valve 14, the level sensor A15, the level sensor B17, and the motor 18.

When the device works, the electromagnetic valve 14 on the feeding pipeline 4 is controlled to be opened through the controller 16, the electromagnetic valve 14 on the conveying pipeline 2 is closed, the tailings slurry enters the stirring barrel 3 from the feeding pipeline 4, the stirring blade 6 is driven by the motor 18 to uniformly stir the tailings slurry, fibers in the tailings slurry are separated from fine sand, when the tailings slurry in the stirring barrel 3 reaches the liquid level sensor A15, the electromagnetic valve 14 on the feeding pipeline 4 is closed, the electromagnetic valve 14 on the conveying pipeline 2 is opened, the treated tailings slurry is conveyed into the concentrating barrel 1, when the tailings slurry falls on the filter sieve 9, the fine sand in the tailings slurry is washed by the sprayer 8, and as the filter sieve is obliquely arranged, redundant water and the fine sand flow into the bottom of the concentrating barrel 1 through the filter sieve 9 under the action of gravity and flow into the outside through the water outlet pipeline 13, and the pre-concentrated tailings slurry flows to a spiral press master of the next working section from the filter screen 9 through the discharge pipeline 13 under the action of gravity, when the tailings slurry in the stirring barrel 3 reaches the liquid level sensor B17, the electromagnetic valve 14 on the feeding pipeline 4 is opened again for feeding, the battery valve 14 on the conveying pipeline 2 is closed, and the sprayer 8 always sprays water to wash the filter screen 9 in the whole working process.

The above examples merely represent a practical way of implementing the present invention, which is described in more detail and in greater detail, but are not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a pre-concentration device of spiral press, includes concentrated bucket (1), its characterized in that: the top of the concentration barrel (1) is provided with a conveying pipeline (2), the other end of the conveying pipeline (2) is provided with a stirring barrel (3), the conveying pipeline (2) is connected to the bottom of the stirring barrel (3), the top of the stirring barrel (3) is provided with a feeding pipeline (4), the top of the stirring barrel (3) is provided with a motor (18), a rotating shaft of the motor (18) is vertically placed, a stirring shaft (5) is arranged on the motor (18), the stirring shaft (5) penetrates through the top of the stirring barrel (3) and extends into the stirring barrel (3), stirring blades (6) are arranged on the stirring shaft (5), a water inlet pipe (7) is arranged at the upper end of the concentration barrel (1), the water inlet pipe (7) penetrates through the side wall of the concentration barrel (1) and extends into the concentration barrel (1), a sprayer (8) is arranged on the part of the water inlet pipe (7) positioned in the concentration barrel (1), be equipped with filter sieve (9) in concentrated bucket (1), be equipped with discharge gate (10) on concentrated bucket (1) lateral wall, discharge gate (10) are located filter sieve (9) top, be equipped with out pipeline (11) on discharge gate (10), be equipped with delivery port (12) on concentrated bucket (1) lateral wall, delivery port (12) are located filter sieve (9) below, be equipped with outlet conduit (13) on delivery port (12), be equipped with controller (16) on the outer wall of concentrated bucket (1).

2. The preconcentrator of a screw press according to claim 1, wherein: and electromagnetic valves (14) are arranged on the conveying pipeline (2) and the feeding pipeline (4).

3. The preconcentrator of a screw press according to claim 1, wherein: the mesh number of the filter screen (9) is 50-80, and the filter screen (9) is obliquely arranged and forms an included angle of 20-40 degrees with the ground.

4. The preconcentrator of a screw press according to claim 1, wherein: be equipped with level sensor A (15), level sensor B (17) on the inner wall of agitator (3), level sensor A (15) are located level sensor B (17) top.

5. The preconcentrator of a screw press according to claim 1, wherein: the controller (16) is electrically connected with the electromagnetic valve (14), the liquid level sensor A (15), the liquid level sensor B (17) and the motor (18).