JP2665998B2 - Concentration washing machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a thickening / cleaning machine capable of performing near 100% deinking treatment on paper stock processed by a deinking apparatus for papermaking raw materials for recycling various waste paper such as printing paper. It is about.

[0002]

2. Description of the Related Art As a conventional washing machine, a drum called an extractor, which is provided with a mesh attached so as to rotatably cover an outer peripheral surface in a main body container, is provided, and a cleaning stock is supplied to the main body container. There is conventionally known a filter which is washed while being rubbed between a mesh attached to the outer peripheral surface of the drum and the stock by being thrown into the drum and rotating the drum, or a filter called a valveless filter.

[0003]

However, in the above-mentioned prior art, a large amount of water and a bleaching agent are required in order to improve the washing effect, and furthermore, it is entangled with the mesh attached to the outer peripheral surface of the drum. In order to frequently remove ink and carbon, there has been a problem that the apparatus has to be stopped and washed many times. In view of this point, the present invention provides a concentration washer that has a simple structure, reduces the amount of bleach used, can always perform washing without stopping the apparatus for washing, and requires minimal rotational power. It is intended to provide.

[0004]

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and employs the following technical means. In the invention according to claim 1, a wire mesh is lined with a drum made of a rotatable punch metal, one end of the drum is open, and the other end is provided with a suitable number of blades, and a case is provided so as to cover the drum. The main body was arranged, and a cleaning pipe having a large number of cleaning nozzles for a wire mesh and a discharge port were arranged near the blade plate so as to spray the blade with the cleaning pipe having a large number of nozzles for cleaning the wire mesh from the outside through the open end. A technical means was employed in which a stock supply pipe and a refill white water pipe were respectively piped, and a pipe having a large number of fresh water injection holes was piped from the outside through the other end. Further, in the invention according to the second aspect, in addition to the concentration washer, a technical means is provided in which a vertical movement device is provided so that the open end side of the drum can be moved up and down with one end of the base of the case body as a fulcrum. It was adopted.

[0005]

According to the present invention, a drum is made of punch metal with a simple structure by adopting the above technical means.
A wire mesh is adhered to the inner surface of the drum, and a nozzle is arranged near the wire mesh so that high-pressure washing water can be sprayed, and the stock is sprayed so as to impinge on a blade plate provided at one end of the drum to rotate the drum itself. By providing assistance, saving power source,
The miniaturization is possible, and the case body can be tilted, so that the inclination can be increased or decreased according to the degree of contamination of the stock, and the accuracy of the cleaning degree can be further improved. It is now possible.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below in detail with reference to the accompanying drawings. FIG. 1 is a schematic block diagram showing an embodiment of the present invention. A stock which is concentrated from a depressurizing deinking apparatus 1 and the like, and has a raw material of about 30% and a water content of 70% is poured into a conventionally known disintegrator 2, and replenished with fresh water (industrial water), followed by decomposition and stirring. The decomposed and stirred stock is flowed into a conventionally known screen 3 by a flow pump to remove foreign substances and foreign matters (especially those having a high specific gravity). Is sprayed so as to collide with the impeller 12 of the concentration washer 4 of the present invention, and at the same time, the drum 10 of the punched metal 14 lined with the wire mesh 15 is rotated by the power from the driving device 11, and (Industrial water) and white water (recycled water, etc.) to wash the stock
It is possible to obtain a stock having a raw material content of about 7% and a water content of about 93%. Next, an embodiment of the concentration washer 4 of the present invention will be described in detail with reference to FIGS. 2 and 3. The concentration washer 4 mounted on the base 5 has one end of the base 5 attached thereto. It is supported so as to be able to rotate around a fulcrum 6, the other end is supported by a vertical movement device 7 such as an air spring, a piston cylinder, a jack, etc., and is mounted on a base 8 so that the entire concentration washer 4 can be inclined. I have. A driving device 11 (a small power motor or the like) is provided at one end of the base 8 on the fulcrum 6 side, and is fitted and fixed to a drum 10 made of a punched metal 14 with a wire mesh 15 of the concentration washer 4 lined through a bearing. At the same time, the drum 10 can be rotated, and at the same time, a pipe 13 having a large number of injection holes for fresh water (industrial water) at the center thereof is provided over substantially the entire length of the drum 10 via a rotary joint. The drum 10 is formed in a cylindrical shape with a punch metal 14,
A wire mesh 15 is lined, and an appropriate number of blades 12 (optimally about 10) are provided on the driving machine 11 side.
The other end is open. Further, in order to make the rotation of the drum 10 smooth, a roller 16 is provided at one end of the drum 10 at an appropriate position of the case body 9. The case body 9 is provided so as to cover the entire drum 10 and includes a partition plate 17, a discharge port 18, and the like.
It goes without saying that dirty water such as glue and wax is discharged from the discharge port 18. The stock supply pipe 19 for the stock supplied from the screen 3 is connected to the blade 1 in the drum 10.
The two groups are arranged so as to be capable of colliding and jetting. Further, the respective pipes of the cleaning pipe 20 and the refill white water pipe 21 penetrate the wall body, and are located at appropriate positions over the substantially entire length of the drum 10 from the open end. Are opened as a large number of nozzle-shaped holes. Next, a mechanism for inclining the entire concentration washer 4 was provided in order to adjust the degree of cleaning according to the stain state of the stock supplied to the concentration washer 4. This will be described more specifically. A fulcrum 6 is provided at one end of the base 5 so as to be freely rotatable, and a vertical movement device 7 such as an air spring, a piston cylinder, a jack, a rack and a pinion is provided at the other end, and a drum is provided. 10 slats 1
The open end side opposite to the second group moves up and down so that the tilt angle can be adjusted. Usually, the range of the inclination angle is optimally in the range of 2 ° to 5 ° in use. As described above, the drum 10 made of the punched metal 14 with the wire mesh 15 lined is provided so as to be rotatable, and furthermore, a group of blades 12 is provided at one end of the drum 10 to wash the wire mesh 15 and replenish water. If it breaks the dirt by stirring the stock,
The shape of the drum 10 does not need to be a cylinder, and a polygonal shape or the like is also conceivable. Further, if only fresh water is used as the replenishing water, the degree of cleaning can be further increased. However, it goes without saying that the effect can be sufficiently improved by using only the reused water.

[0007]

According to the present invention, the following effects can be obtained based on the above configuration. (1) The raw materials are kneaded and washed by the rotation of the blades,
The cleaning effect rises remarkably. (2) The amount of lost paper is small and the yield is improved. (3) The mesh of the wire mesh can be freely selected. (4) The wire mesh can be easily replaced with little maintenance. (5) The use of chemicals such as deinking agents and water is small.
In addition, the bleaching degree can be increased with a small amount of water. (6) Since the stock collides with the blades in the drum, the rotation of the drum is assisted, and the power motor can be reduced accordingly. (7) Since the inclination angle of the drum can be adjusted, the flow time of the stock can be adjusted, so that the adjustment can be performed according to the stain of the stock. (8) Very compact. (9) Since the configuration is simple, a failure is unlikely to occur.

[Brief description of the drawings]

FIG. 1 is a schematic block diagram illustrating a use state of a concentration washing machine of the present invention.

FIG. 2 is a schematic plan view of the concentration washing machine of the present invention.

FIG. 3 is a schematic side view of the concentration washing machine of the present invention.

[Description of Signs] 1 ... Deinking device 2 ... Disintegrator 3 ... Screen 4 ... Concentration washing machine 5 ... Base 6 ... Support point 7 ... Vertical movement device 8 ... Base 9 ... Case body 10 ... Drum 11 ... Driving machine 12 ... Blade plate 13 ... Pipe having many injection holes for fresh water 14 ... Punched metal 15 ... Wire mesh 16 ... Roller 17 ... Partition plate 18 ... Discharge port 19 ... Paper supply pipe 20 ... Cleaning pipe 21 ... Refill white water pipe

Claims (2)

(57) [Claims] 1. A drum made of a rotatable punch metal is lined with a wire mesh, one end of the drum is open, and the other end is provided with an appropriate number of blades, and a case body is arranged so as to cover the drum. And a washing pipe having a number of nozzles for washing the wire mesh in the drum from the outside through the open end ,
A paper supply pipe and a replenishment white water pipe, each of which has a discharge port that is piped close to the blade plate so as to be sprayed on the blade plate, are respectively piped, and further, an injection hole for fresh water is supplied from the outside through the other end. A concentration washing machine characterized by a large number of pipes. 2. The concentration washing machine according to claim 1, wherein a vertical movement device is provided so that the open end side of the drum can be moved up and down with one end of a base of the case body as a fulcrum.