Trench slag treatment assembly for paper mill

Abstract

The utility model discloses a paper mill gutter residue treatment assembly, which comprises a sedimentation basin, a lifting piece and a drying device, the sedimentation basin is provided with a sewage inlet and a sewage outlet, the drying device is arranged beside the sedimentation basin, the lifting piece is arranged beside the sedimentation basin, a grab bucket is arranged at the lifting end of the lifting piece, and the lifting piece is arranged on the grab bucket. The lifting piece is used for driving the grab bucket to move between the settling tank and the drying equipment, and the grab bucket is used for fishing up settled slag in the settling tank and conveying the settled slag into the drying equipment for drying treatment, so that sewage in a trench flows through the settling tank, the slag in the sewage is settled, and the settled slag is discharged from the drying equipment. And the hoisting piece drives the grab bucket to fish up the sediment in the sedimentation tank and send the sediment to drying equipment for drying treatment, and the finally obtained sediment can be used as a waste paper raw material or a fuel for a thermoelectric system of a paper mill.

Description

TECHNICAL FIELD

[0001] The utility model belongs to sewage treatment technology, especially relate to a paper mill ditch residue treatment assembly. BACKGROUND

[0002] For large paper mill, its water consumption is large, and its plant area ditch arrangement is dense, and the sewage in the ditch exists part of the plant area discharged ditch water in addition to rainwater, and the ditch water contains a large amount of dregs, in addition to silt, there also exists part of the pulp fiber component, this kind of sewage also needs to be treated after sewage treatment can be reused or discharged, but it still needs to remove the dregs in it before treatment to meet the process requirements of subsequent sewage treatment equipment, at present, the dregs in the ditch pool are mostly treated by scraper type slag extractor, but because there are more waste paper fibers in the paper mill ditch (it is difficult to settle), so the scraper type slag extractor is not very practical. UTILITY MODEL CONTENTS

[0003] In order to solve the above technical problems, one of the purposes of the utility model is to provide a paper mill ditch residue treatment assembly which is simple in structure, convenient to use and can effectively settle waste paper fibers.

[0004] In order to achieve the above purpose, the technical scheme of the utility model is as follows: a paper mill ditch residue treatment assembly, comprising a settling tank, a lifting piece and a drying equipment, the settling tank has a sewage inlet and a sewage outlet, the drying equipment is arranged beside the settling tank, the lifting piece is arranged beside the settling tank, and the lifting end of the lifting piece has a grab bucket, the lifting piece is used to drive the grab bucket to move between the settling tank and the drying equipment, and the grab bucket is used to lift the settled residue in the settling tank and send it to the drying equipment for drying treatment.

[0005] The beneficial effects of the above technical scheme are that the sewage in the ditch flows through the settling tank, so that the dregs in the sewage are settled, and the lifting piece drives the grab bucket to lift the settled residue in the settling tank and send it to the drying equipment for drying treatment, and the finally obtained settled residue can be used as waste paper raw material or as fuel for the thermal power system of the paper mill.

[0006] In the above technical scheme, the settling tank is provided with a plurality of settling tanks, and the plurality of settling tanks are sequentially connected to carry out multi-stage settling of the sewage.

[0007] The beneficial effects of the above technical scheme are that the sewage is subjected to multi-stage settling in the plurality of settling tanks, so that the dregs in the sewage can be more fully settled.

[0008] In the above technical scheme, the settling tank is a rectangular pool, and the depth is not less than 1m.

[0009] The beneficial effects of the above technical solution are that the sewage has a long flow path in the sedimentation tank, and the sedimentation effect is better.

[0010] In the above technical solution, the plurality of sedimentation tanks are arranged along the front-rear direction and are spaced apart along the left-right direction, and the flow channel formed by the plurality of sedimentation tanks is in a serpentine shape.

[0011] The beneficial effects of the above technical solution are that the plurality of sedimentation tanks are arranged more densely, thereby occupying less space, and the flow path is longer, which is beneficial to improve the sedimentation effect of the dregs.

[0012] In the above technical solution, the lifting member is a truss crane suspended on the sedimentation tank and the drying equipment, and is used to drive the grab bucket to move in three dimensions.

[0013] The beneficial effects of the above technical solution are that the structure is simple, and the grab bucket can flexibly perform dregs salvaging operations in any one of the sedimentation tanks.

[0014] In the above technical solution, the sewage inlet and the sewage outlet of the sedimentation tank are respectively located at two ends of the sedimentation tank and are both located at the upper end of the pool wall of the sedimentation tank.

[0015] The beneficial effects of the above technical solution are that the sewage in the two adjacent sedimentation tanks flows in the form of overflow, thereby avoiding disturbance of the water flow impact on the settled dregs in the sedimentation tank.

[0016] In the above technical solution, the length of the sedimentation tank is 5-10m.

[0017] The beneficial effects of the above technical solution are that the length can meet the sedimentation of the dregs in the sewage.

[0018] In the above technical solution, the grab bucket is a hydraulic grab bucket.

[0019] The beneficial effects of the above technical solution are that it has high automation degree and good stability.

[0020] In the above technical solution, the drying equipment is provided with a receiving hopper, the receiving hopper is close to the sedimentation tank, and the feeding end thereof faces upward.

[0021] The beneficial effects of the above technical solution are that the suitable grab bucket can directly unload from above the receiving hopper, and the unloading is convenient.

[0022] In the above technical solution, the drying equipment is a plate-and-frame filter press or a sludge dryer.

[0023] The beneficial effects of the above technical solution are that the drying effect on the settled dregs is good. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 The structure schematic diagram of the paper mill ditch residue treatment assembly is shown in the embodiment of the present application.

[0025] Figure 2 The distribution schematic diagram of the plurality of settling tanks is shown in the embodiment of the present application.

[0026] Figure 3 The setting schematic diagram of the belt conveyor is shown in the embodiment of the present application.

[0027] In the figure: 1, settling tank; 11, sewage inlet; 12, sewage outlet; 2, hoisting member; 3, drying equipment; 31, receiving hopper; 4, grab bucket; 5, ditch; 6, belt conveyor. DETAILED DESCRIPTION

[0028] The principles and features of the present application are described below in conjunction with the accompanying drawings, and the examples are only used to explain the present application and not to limit the scope of the present application. In the following paragraphs, the present application is described in more detail by way of example with reference to the accompanying drawings. According to the following description and claims, the advantages and features of the present application will be more clearly described. It should be noted that the drawings are very simplified and use non-precise proportions, only to facilitate, clearly assist in explaining the purpose of the embodiments of the present application.

[0029] As shown in Figure 1 The present embodiment provides a paper mill ditch residue treatment assembly, which comprises a settling tank 1, a hoisting member 2 and a drying equipment 3. The settling tank 1 has a sewage inlet 11 and a sewage outlet 12. The drying equipment 3 is arranged beside the settling tank 1. The hoisting member 2 is arranged beside the settling tank 1, and the hoisting end of the hoisting member 2 has a grab bucket 4. The hoisting member 2 is used to move the grab bucket 4 between the settling tank 1 and the drying equipment 3. The grab bucket 4 is used to lift the settled residue in the settling tank 1 and send it to the drying equipment 3 for drying treatment. In this way, the sewage in the ditch flows through the settling tank, so that the residue in the sewage is settled. The hoisting member lifts the settled residue in the settling tank and sends it to the drying equipment for drying treatment. The final settled residue can be used as waste paper raw material or as fuel for the heat and power system of the paper mill.

[0030] In the embodiment, a plurality of settling tanks are arranged at the ditch. The sewage discharged by the ditch needs to flow through the settling tanks in the middle to settle the residue.

[0031] As shown in Figure 2 In the above technical solution, the settling tank 1 is provided with a plurality of settling tanks, and the plurality of settling tanks 1 are sequentially connected to perform multi-stage settling of the sewage. In this way, the sewage is subjected to multi-stage settling in the plurality of settling tanks, so that the residue in the sewage can be more fully settled.

[0032] The settling tank 1 is a rectangular tank, and its depth is not less than 1 m, so that the flow distance of the sewage in the settling tank is long, and the settling effect is better.

[0033] As shown in the drawings, Figure 2 The plurality of settling tanks 1 are arranged in the front-rear direction and are spaced apart in the left-right direction, and the flow channel formed by the plurality of settling tanks 1 is in a serpentine shape, so that the plurality of settling tanks are arranged more densely, thereby occupying less space, and the flow channel has a longer distance, which is beneficial to improve the settling effect of the slag.

[0034] The lifting member 2 is a truss crane suspended on the settling tank 1 and the drying equipment 3, and is used to drive the grab bucket 4 to move in three dimensions, which has a simple structure and enables the grab bucket to flexibly perform slag salvaging operations in any one of the settling tanks.

[0035] The sewage inlet 11 and the sewage outlet 12 of the settling tank 1 are respectively located at two ends of the settling tank 1 and are both located at the upper end of the tank wall of the settling tank 1, so that the sewage in the adjacent two settling tanks flows in the form of overflow, thereby avoiding disturbance of the water flow to the settled sludge in the settling tank.

[0036] The length of the settling tank 1 is 5-10 m, so that its length can meet the needs of settling the slag in the sewage.

[0037] The grab bucket 4 is a hydraulic grab bucket, which has high automation degree and good stability.

[0038] The drying equipment 3 has a receiving hopper 31, which is close to the settling tank 1 and has an upward feeding end, so that the suitable grab bucket can directly unload from above the receiving hopper, which is convenient for unloading.

[0039] The drying equipment 3 is a plate-and-frame filter press or a sludge dryer, which has good drying effect on the sludge.

[0040] As shown in the drawings, Figure 3 The drying equipment 3 has a receiving hopper 31, which is close to the settling tank 1 and has an upward feeding end, so that the suitable grab bucket can directly unload from above the receiving hopper, which is convenient for unloading.

[0041] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in any form; any person skilled in the art can smoothly implement the present application according to the drawings shown in the specification and the above description; however, any person skilled in the art can make slight changes, modifications and equivalent changes of the present application within the scope of the technical scheme of the present application, and the equivalent embodiments of the present application are still within the protection scope of the technical scheme of the present application.

Claims

1. A paper mill slag treatment assembly, characterized in that, The sewage treatment system comprises a sedimentation tank (1), a lifting device (2) and a drying device (3), the sedimentation tank (1) is provided with a sewage inlet (11) and a sewage outlet (12), the drying device (3) is arranged beside the sedimentation tank (1), the lifting device (2) is arranged beside the sedimentation tank (1) and has a grab bucket (4) at the lifting end, the lifting device (2) is used to drive the grab bucket (4) to move between the sedimentation tank (1) and the drying device (3), and the grab bucket (4) is used to lift the sedimentation residue in the sedimentation tank (1) and send it to the drying device (3) for drying treatment.

2. The paper mill pit sludge treatment assembly of claim 1 wherein, A plurality of sedimentation tanks (1) are arranged in series to carry out multi-stage sedimentation on sewage.

3. The paper mill pit dreg treatment assembly of claim 1, wherein, The sedimentation tank (1) is a rectangular tank, and the depth is not less than 1 m.

4. The paper mill pit sludge treatment assembly of claim 2, wherein, The plurality of sedimentation tanks (1) are arranged in the front-rear direction and are spaced apart in the left-right direction, and the flow channel formed by the plurality of sedimentation tanks (1) is in a serpentine shape.

5. The paper mill pit dreg treatment assembly of claim 4, wherein, The lifting device (2) is a gantry crane suspended above the sedimentation tank (1) and the drying device (3), and the lifting device (2) is used to drive the grab bucket (4) to move in three dimensions.

6. The paper mill pit dreg treatment assembly of claim 1, wherein, The sewage inlet (11) and the sewage outlet (12) of the sedimentation tank (1) are respectively located at two ends of the sedimentation tank (1) and are both located at the upper end of the tank wall of the sedimentation tank (1).

7. The paper mill pit dreg treatment assembly of claim 6, wherein, The length of the sedimentation tank (1) is 5-10 m.

8. The paper mill pit dreg treatment assembly of claim 1, wherein, The grab bucket (4) is a hydraulic grab bucket.

9. The paper mill pit dreg treatment assembly of claim 1, wherein, The drying device (3) is provided with a receiving hopper (31), the receiving hopper (31) is close to the sedimentation tank (1), and the feeding end thereof faces upward.

10. The paper mill pit dreg treatment assembly of claim 1, wherein, The drying device (3) is a plate-and-frame filter press or a sludge dryer.

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