CN206090158U - Heavy sediment separator of waste paper - Google Patents

Abstract

The utility model provides a heavy sediment separator of waste paper, the separating tank comprises a plurality of upper portions broad, the narrower cell body in lower part, is equipped with a plurality of groups of rollers at the top of separating tank, is equipped with rivers generating device in the separating tank, the bottom of separating tank is equipped with heavy sediment and arranges the cinder notch, front end at the separating tank is equipped with the overflow mouth. Can make water and waste paper fully soak through the separating tank that sets up to make the heavy sediment in the waste paper isolate. In the process of carrying on, can adopt comparatively delicate treatment facility to reduce the energy consumption of handling by a wide margin, improve and handle the quality. Through calculating, adopt the utility model discloses a combination in device and filtering pulp groove can reduce the energy consumption more than 70%.

Description

Waste paper heavy slag separation device

technical field

The utility model relates to the field of waste paper treatment, in particular to a waste paper heavy slag separation device for separating heavy slag from waste paper.

Background technique

People produce a large amount of waste paper in their daily life, and the recycling method can reduce the environmental pollution of waste paper. Existing waste paper, especially packaging paper, has a lot of plastic components, such as coated plastic films, which are bonded to paper by glue. separate. In the existing waste paper recycling process, it is more commonly used to use a drum pulper to feed waste paper and water into the drum so that the waste paper is fully soaked in water, and then through beating and friction with the inner wall of the drum , to separate the pulp from the plastic. The problem with this solution is that the energy consumption is very high, and the infiltration of waste paper and water is not sufficient. In addition, during the packaging process of waste paper, more heavy residue will be mixed.

Contents of the invention

The technical problem to be solved by the utility model is to provide a waste paper heavy slag separation device, which can fully infiltrate water and waste paper and separate the heavy slag in the waste paper.

In order to solve the above-mentioned technical problems, the technical solution adopted by the utility model is: a waste paper heavy slag separation device, the separation tank is composed of a plurality of tank bodies with a wider upper part and a narrower lower part. a shifting roller, and a water flow generating device is arranged in the separation tank;

The bottom of the separation tank is provided with a heavy slag discharge port;

An overflow port is provided at the front end of the separation tank, and an inclined slide plate is provided at the position of the overflow port.

In a preferred solution, a gate is provided at the heavy slag discharge port.

In another optional solution, the separation tank is located in the outer tank body, and an overflow port is correspondingly provided at the front end of the outer tank body;

A heavy slag conveyor belt is provided below the heavy slag discharge port, and the heavy slag conveyor belt is connected with the heavy slag lifting belt arranged obliquely.

In a preferred solution, a rubber curtain is provided between the heavy slag discharge port and the heavy slag conveyor belt.

In a preferred solution, an inclined front wall and a rear wall of the separation tank are respectively provided at the front and rear of the lower part of the separation tank, and the water flow generating device is arranged on the rear wall of the separation tank.

In a preferred solution, the water flow generating device is a propeller, and the propeller is connected with a sealed adjustable-speed driving device.

In a preferred solution, the water flow generating device is a pumped water flow injection device, or an air injection device.

In a preferred solution, the shifting rollers are arranged laterally along the separation tank and are driven to rotate by a driving device. The outer wall of the shifting rollers is provided with a plurality of plates along the axial direction, and at least a part of the shifting rollers is located below the top of the separation tank .

In a preferred solution, a shifting roller is provided at the front of the separation tank near the overflow port;

Or a pulp lifting device is provided near the overflow port.

In a preferred solution, a filter slurry tank is provided obliquely below the overflow port;

In the filter slurry tank, the filter screen tank body is provided with a rotating roller arranged axially along the filter screen tank body, and the bottom cross section of the filter screen tank body is roughly concentric with the rotating roller;

There are multiple staggered arc-shaped plates on the roller, and the roller is driven by a motor to rotate;

There is a slag discharge port at the end of the screen tank away from the overflow port;

A jack is arranged below the end of the filter screen tank close to the overflow port.

The utility modeler found that due to the existence of these heavy slags, the selection range of the waste paper treatment process is narrow, so it is difficult to reduce energy consumption. Especially the heavy slag will destroy more precise equipment, and make some low energy consumption equipment get stuck, or even damage the equipment.

The utility model provides a separation device for waste paper and heavy slag, which can fully infiltrate water and waste paper through the provided separation tank, and separate the heavy slag in the waste paper. In the subsequent process, more sophisticated processing equipment can be used, and the energy consumption of processing can be greatly reduced, and the processing quality can be improved. According to calculations, the combination of the device of the present invention and the slurry tank can reduce energy consumption by more than 70%.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described:

Fig. 1 is a schematic front view of the overall structure of the utility model.

FIG. 2 is a schematic cross-sectional view along line A-A of FIG. 1 .

FIG. 3 is a schematic cross-sectional view along B-B of FIG. 1 .

Fig. 4 is a schematic structural view of a slurry tank in the present invention.

Fig. 5 is a structural schematic diagram of the rotating roller of the filter pulp tank in the utility model.

In the figure: separation tank 1, separation tank front wall 101, separation tank rear wall 102, water flow generating device 2, compressed air pipe 21, pull roller 3, heavy slag conveyor belt 4, vertical curtain 5, heavy slag lifting belt 6, outer tank body 7. Pulp lifting device 8, overflow port 9, conveyor belt side baffle 10, feed drum 11, slurry tank 12, motor 121, screen tank body 122, foundation 123, hinge seat 124, jack 125, roller 126, arc plate 127, slag outlet 128.

detailed description

Example 1:

Referring to Figures 1 to 3, a waste paper heavy slag separation device, the separation tank 1 is composed of multiple tanks with a wider upper part and a narrower lower part, and a plurality of pull rollers 3 are arranged on the top of the separation tank 1, as shown in Figure 1 Among them, in a preferred solution, the said dial roller 3 is arranged along the transverse direction of the separation tank 1, and is driven to rotate by a driving device, such as a motor, which is not shown in the figure, and the outer wall of the dial roller 3 is provided with a plurality As for the plate in the axial direction, at least a part of the shifting roller 3 is located below the top of the separation tank 1 . In Fig. 1, the shifting roller 3 rotates counterclockwise, so that the waste paper is pressed under the water surface of the separation tank 1, fully soaked by the water, and at the same time pushes the waste paper forward. A water flow generating device 2 is provided in the separation tank 1; the set water flow generating device 2 is used to generate a water flow that the surface layer moves obliquely upward to the front end, so that the waste paper that is lighter and has a larger specific surface area rises upward, while the heavy slag is Sink to the bottom of separation tank 1. The bottom of the separation tank 1 is provided with a heavy slag outlet for discharging heavy slag, such as iron blocks, stones or bricks, and other sundries;

An overflow port 9 is provided at the front end of the separation tank 1, and an inclined sliding plate is provided at the position of the overflow port 9. The overflow port 9 provided is the position with the lowest water level in the separation tank 1, and is used for discharging pulp and water. At the same time, it is also convenient to realize the flow of water flow. The front end described in this example is the right side in Figure 1.

When in use, water and initially soaked waste paper fall into the separation tank 1 from the outlet of the feed drum 11, and are pushed by the water flow in the separation tank to move toward the overflow port 9, and the shift roller 3 rotates counterclockwise continuously , press the waste paper floating on the surface of the separation tank 1 into the water, and push the waste paper forward. During the forward process, the waste paper and heavy slag are gradually separated, and the heavy slag falls into the heavy slag row at the bottom of the separation tank 1 The location of the slag mouth. In this example, a structure in which multiple tanks with a wider upper part and a narrower lower part are connected in series can improve the infiltration effect. When the waste paper reaches the position of the overflow port 9, it has basically turned into shredded paper, and along with the promotion of the water flow, the shredded paper falls into the slurry filter tank 12, so that the plastic and paper pulp are separated after being filtered.

In an optional solution, a gate is provided at the heavy slag discharge port, and the structure of the gate is not shown in the figure. When the heavy slag accumulates more, the gate is opened to discharge the heavy slag. The structure of this example is suitable for small and medium-sized waste paper processing plants.

Example 2:

In Example 1, the sealing of the slag discharge port is more difficult, and the waste of water resources is greater. On the basis of Example 1, different from Example 1, in this example, no gate is installed at the heavy slag discharge port .

Another optional solution is as shown in Figure 1, the separation tank 1 is located in the outer tank body 7, and an overflow port is correspondingly provided at the front end of the outer tank body 7;

A heavy slag conveyor belt 4 is arranged below the heavy slag discharge port, and the heavy slag conveyor belt 4 is connected with a heavy slag lifting belt 6 arranged obliquely. The structure of the outer tank body 7 is used to make the water level between the inner tank body and the outer tank body roughly the same. This structure can solve the problem that the heavy slag gate needs to be reliably sealed. In this example, it is no longer necessary to discharge the heavy slag. The slag port remains sealed and can realize automatic, online slag removal. The preferred heavy slag conveyor belt 4 and heavy slag lifting belt 6 are crawler conveyor belts, and multiple baffles are arranged on the surface of the conveyor belt, similar to the structure of buried scrapers, so as to avoid the heavy slag from rolling off during the conveying process. The heavy slag conveyor belt 4 and the heavy slag lifting belt 6 can be a separate structure or an integral structure. Both sides of the heavy slag conveyor belt 4 and the heavy slag lifting belt 6 are provided with conveyor side baffles 10 .

The preferred solution is shown in Fig. 1 , a rubber curtain 5 is provided between the heavy slag discharge port and the heavy slag conveyor belt 4 . With this structure, except for the heavy slag, for example, a small amount of waste paper brought down by the water flow is blocked, so as to avoid the loss of pulp.

The structure in this example is convenient for automatic control of slag discharge, and is suitable for large-scale waste paper treatment plants.

Example 3:

On the basis of Embodiment 1 or 2, a further preferred solution is as shown in Fig. 1 and 2, the front and rear sides of the bottom of the separation tank 1 are respectively provided with an inclined separation tank front wall 101 and a separation tank rear wall 102, and the water flow generating device 2 is arranged on Separate tank rear wall 102 . With this structure, it is convenient to realize the water flow obliquely above the front end of the surface layer, so that the lighter pulp floats and can push the pulp forward.

In an optional solution, the water flow generating device 2 is a propeller, and the propeller is connected to a sealed drive device with adjustable speed. The specific structure is a propeller supported by a sealed bearing, and the motor is also a sealed structure, or a motor located outside the water surface is used to drive the propeller to rotate with a flexible shaft. With the structure of the propeller, the water flow is relatively uniform. Under the same effect, this scheme The energy consumption is lower. In a preferred solution, the compressed air pipe 21 is connected in the sealed bearing, so that the air pressure in the sealed bearing is a positive pressure, preventing water from entering the sealed bearing, so as to prolong the service life.

In a preferred solution, the water flow generating device 2 is a pumping water flow injection device, or an air injection device.

The pumping water injection device preferably adopts circulating water, that is, the water flow drawn from the position near the lower part in the separation tank 1, and then sprayed from a position slightly near the upper part, which is the same as the position of the water flow generating device 2 in Fig. 1 .

The air jet device provided is then connected to a plurality of compressed air pipes at this position, so that the air flow drives the water flow.

Example 4:

On the basis of Embodiments 1 to 3, the preferred solution is as shown in Figure 1, where a shifting roller 3 is provided at the front of the separation tank 1 near the overflow port 9; this structure helps prevent the pulp from overflowing Port 9 is stacked. In order to make the pulp in the subsequent process too thick.

Or a pulp lifting device 8 is provided near the overflow port 9 . The pulp elevating device 8 in this example adopts a bucket pusher, so that the pulp and water are evenly discharged from the overflow port 9 .

Example 5:

On the basis of embodiments 1 to 4, the preferred scheme is as shown in Figures 1, 4, and 5, where a filter slurry tank 12 is provided obliquely below the overflow port 9;

In the filter slurry tank 12, the filter screen tank body 122 is provided with a rotating roller 126 arranged axially along the filter screen tank body 122, and the bottom cross section of the filter screen tank body 122 is roughly concentric with the rotating roller 126;

The rotating roller 126 is provided with a plurality of arc-shaped plates 127 arranged staggered along the axial direction, and the rotating roller 126 is driven to rotate by the motor 121;

The end of the screen tank body 122 away from the overflow port 9 is provided with a slag discharge port 128; compared with the drum structure, the rotating volume of the drum body is large, and the weight of waste paper and water makes the whole weight reach tens of tons. Therefore, the energy consumption is very high. Since the waste paper has been pretreated to remove heavy slag and is fully infiltrated, a relatively precise structure can be adopted. The rotating part in this example is the rotating roller 126, and the pulp and water do not rotate as a whole, so energy consumption It can be greatly reduced, and the arc-shaped plate 127 structure is adopted. The set arc-shaped plate 127 can also avoid the entanglement of the plastic belt, and can form rubbing and flushing actions of different frequencies, so that the pulp is washed out from the bottom of the filter screen tank 122 , the plastics through repeated rubbing are discharged from the slag discharge port 128. The rear end of the filter screen tank 122 in this example is higher, while the front end is lower, so that the plastic can move along the axis of the filter screen tank 122 .

A jack 125 is provided below the end of the screen tank body 122 close to the overflow port 9 . With this structure, it is convenient to adjust the inclination angle of the screen tank body 122, so as to facilitate the control of the relationship between the processing speed and the processing quality.

The above-mentioned embodiments are only preferred technical solutions of the present utility model, and should not be regarded as limitations on the present utility model. The embodiments in the present application and the features in the embodiments can be combined arbitrarily with each other if there is no conflict. The scope of protection of the utility model shall be the technical solution described in the claims, including the equivalent replacements of the technical features in the technical solution described in the claims. That is, equivalent replacement and improvement within this scope are also within the protection scope of the present utility model.

Claims (10)

1. A waste paper heavy slag separation device, characterized in that: the separation tank (1) is composed of multiple tank bodies with wider upper parts and narrower lower parts, and a plurality of pull rollers ( 3), a water flow generating device (2) is provided in the separation tank (1); The bottom of the separation tank (1) is provided with a heavy slag discharge port; An overflow port (9) is provided at the front end of the separation tank (1), and an inclined sliding plate is provided at the position of the overflow port (9). 2. A waste paper heavy slag separation device according to claim 1, characterized in that: a shutter is provided at the heavy slag discharge port. 3. A waste paper heavy slag separation device according to claim 1, characterized in that: the separation tank (1) is located in the outer tank body (7), and the front end of the outer tank body (7) is correspondingly equipped with Overflow; A heavy slag conveyor belt (4) is provided below the heavy slag discharge port, and the heavy slag conveyor belt (4) is connected with a heavy slag lifting belt (6) arranged obliquely. 4. The waste paper heavy slag separation device according to claim 3, characterized in that: a rubber curtain (5) is provided between the heavy slag discharge port and the heavy slag conveyor belt (4). 5. A waste paper heavy slag separation device according to claim 1, characterized in that: the front and rear sides of the lower part of the separation tank (1) are respectively provided with an inclined separation tank front wall (101) and a separation tank rear wall (102) , the water flow generating device (2) is arranged on the rear wall (102) of the separation tank. 6. A waste paper and heavy slag separation device according to claim 5, characterized in that: the water flow generating device (2) is a propeller, and the propeller is connected to a sealed drive device with adjustable speed. 7. A waste paper and heavy slag separation device according to claim 5, characterized in that: the water flow generating device (2) is a pumping water flow injection device, or an air injection device. 8. A waste paper and heavy slag separation device according to claim 1, characterized in that: the shifting roller (3) is arranged along the transverse direction of the separation tank (1), and is driven to rotate by a driving device, and the shifting roller The outer wall of (3) is provided with a plurality of plates along the axial direction, and at least a part of the shifting roller (3) is located below the top of the separation groove (1). 9. A waste paper heavy slag separation device according to claim 1, characterized in that: a shifting roller (3) is provided at the front of the separation tank (1) near the overflow port (9); Or a pulp lifting device (8) is provided near the overflow port (9). 10. A waste paper and heavy slag separation device according to claim 1, characterized in that: a slurry filter tank (12) is provided obliquely below the overflow port (9); In the filter slurry tank (12), the filter tank body (122) is provided with a rotating roller (126) arranged axially along the filter screen tank body (122), and the bottom cross section of the filter screen tank body (122) It is a concentric structure with the rotating roller (126); The rotating roller (126) is provided with a plurality of staggered arc-shaped plates (127), and the rotating roller (126) is driven to rotate by the motor (121); The end of the screen tank (122) away from the overflow (9) is provided with a slag discharge port (128); A jack (125) is provided below the end of the filter screen tank (122) close to the overflow port (9).