Slurry separating and fine screening equipment for composite grey board processing

Abstract

The utility model discloses slurry separating and fine screening equipment for processing composite grey board paper, which is characterized in that a cover body is arranged at the top of a filter vat, a filter screen base is arranged below the cover body, the filter screen base is fixedly connected with a filter screen, a vibration motor is arranged at the bottom of the filter screen, a return pipe is arranged at the top of the cover body, and the filter screen base is fixedly connected with the return pipe. According to the slurry separation fine screening equipment, the situation that in the prior art, in the actual use process, slurry can be attached to the screen in the screening process, and timing cleaning is needed is improved, the screen is subjected to backwashing through the water inlet pipeline, the water suction pipeline and equipment for backwashing, and the slurry separation fine screening efficiency is improved. In the back washing process, slurry fibers attached to the screen are removed in a vibration or brush scrubbing mode, equipment is prevented from being blocked, the working efficiency of the equipment is improved, and loads of the front pump body and the rear pump body are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of grey board paper processing equipment, in particular to a pulp separation fine screening device for composite grey board paper processing. Background Art

[0002] Grey board is an industrial thick paperboard, which is used as a base material in the packaging and printing industry to make exquisite book covers, game puzzles, folders, file folders, pencil cases, gift boxes, wine, cosmetics and other commodity packaging boxes and other products. Grey board is divided into single grey and double grey. The main weights of single grey grey board are 280g / m, 300g / m, 350g / m, 400g / m, 450g / m, 500g / m, 550, 600g / m, 650g / m, 700g / m. The indicators of single grey grey board are weight and thickness. The weight and thickness are required to be uniform and the deviation range is strictly controlled to meet the packaging and printing specifications of the finished products of customers and keep the size consistent. In addition, the uniform hue and whiteness of the hanging layer, good flatness of the paper surface, good fineness of the paper surface, no warping and no stratification are also important quality standards for grey board. Two or more single grey board papers can be laminated by a laminating machine to produce composite grey board paper with larger weight and thickness. The maximum weight of the composite paperboard can reach 2300g / m and the thickness is 3.8mm, which can meet the specific weight and thickness requirements of customers for grey board paper.

[0003] At present, China Patent No.: CN201811070032.3 discloses a production device for energy-saving vibrating screen screening and separation of pulp molding product pulp, including an intelligent automatic controller and a functional mechanism, the intelligent automatic controller is connected to the functional mechanism through a connecting line, and the functional mechanism includes a conveyor, a hydraulic pulper, a screening box, a conveying pipe, an inclined vibrating screen, a connecting pipe and a vertical conveyor. Compared with the prior art, the present invention has the following beneficial effects: the pulp is vibrated and screened, thereby improving the product qualification rate, and the unqualified pulp is re-transported to the hydraulic pulper by a vertical conveyor to improve resource efficiency. At the same time, the intelligent automatic controller controls the hydraulic pulper disintegration time, the inclined vibrating screen start time and the start time of pulping, so as to avoid the hydraulic pulper running for a long time with high energy consumption but low efficiency. At the same time, the intelligent automatic controller saves manpower, improves the yield rate during the screening process, and achieves energy saving and consumption reduction. However, in the actual use of the prior art, the pulp will be attached to the screen when it is screened, and it needs to be cleaned regularly. Utility Model Content

[0004] Therefore, in view of the above problems, the utility model proposes a pulp separation fine screening device for composite grey board paper processing, which solves the technical problem of the prior art that the pulp will be attached to the screen when being screened during actual use and needs to be cleaned regularly.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a pulp separation fine screening device for composite gray board paper processing, whose structure includes a filter barrel, a cover body, a filter screen, a filter screen base, a reflux pipe, a reflux pump, an input pipe, a vibration motor, an output pipe, and a backwashing input pipe. The cover body is arranged on the top of the filter barrel, and the filter screen base is arranged below the cover body. The filter screen base is fixedly connected to the filter screen, and a vibration motor is arranged at the bottom of the filter screen. The reflux pipe is arranged on the top of the cover body, and a reflux pump is arranged on the reflux pipe. An input pipe is arranged next to the reflux pipe, and the reflux pipe and the input pipe are both connected to the inside of the filter screen. The output pipe and the backwashing input pipe are arranged at the bottom of the filter barrel.

[0006] Furthermore, the cover body is fixedly connected to the filter barrel via a buckle.

[0007] Furthermore, the filter screen is a cylindrical structure.

[0008] Furthermore, the lower end of the reflux pipe is arranged inside the filter at a position 1-2 cm close to the bottom surface.

[0009] Furthermore, control valves for controlling the switch are provided on the output pipe and the backwash input pipe.

[0010] Furthermore, the front end of the backwash inlet pipe is connected to a backwash water pump.

[0011] Furthermore, it also includes a cleaning motor, a cleaning rod, and bristles. The cleaning motor is connected to the cleaning rod, and the cleaning rod is provided with bristles.

[0012] By adopting the above-mentioned technical scheme, the beneficial effects of the utility model are as follows: the slurry separation fine screening equipment improves the existing technology in which the slurry will be attached to the screen when being screened during actual use, and regular cleaning is required. By setting up backwashing water inlet and water absorption pipes and equipment, the screen is backwashed. During the backwashing process, the slurry fibers attached to the screen are removed by vibration or brushing, which avoids clogging of the equipment, improves the working efficiency of the equipment, and reduces the load on the front and rear pump bodies. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the utility model;

[0014] Figure 2 It is a structural schematic diagram of the utility model.

[0015] In the figure: 1. filter barrel; 2. cover; 3. filter screen; 4. filter screen base; 5. reflux pipe; 6. reflux pump; 7. input pipe; 8. vibration motor; 9. output pipe; 10. backwash input pipe; 11. cleaning motor; 12. cleaning rod; 13. brush. DETAILED DESCRIPTION

[0016] The utility model is now further described in conjunction with the accompanying drawings and specific implementation methods.

[0017] Embodiment 1

[0018] refer to Figure 1 The present embodiment provides a pulp separation fine screening device for composite grey board paper processing, and its structure includes a filter barrel 1, a cover body 2, a filter screen 3, a filter screen base 4, a reflux pipe 5, a reflux pump 6, an input pipe 7, a vibration motor 8, an output pipe 9, and a backwashing input pipe 10. The cover body 2 is arranged on the top of the filter barrel 1, and the filter screen base 4 is arranged below the cover body 2. The filter screen base 4 is fixedly connected to the filter screen 3, and the vibration motor 8 is arranged at the bottom of the filter screen 3. The reflux pipe 5 is arranged on the top of the cover body 2, and the reflux pump 6 is arranged on the reflux pipe 5. The input pipe 7 is arranged next to the reflux pipe 5. The reflux pipe 5 and the input pipe 7 are both connected to the inside of the filter screen 3. The output pipe 9 and the backwashing input pipe 10 are arranged at the bottom of the filter barrel 1.

[0019] The cover body 2 is fixedly connected to the filter barrel 1 via buckles.

[0020] The filter screen 3 is a cylindrical structure.

[0021] The lower end of the reflux pipe 5 is arranged inside the filter screen 3 at a position 1-2 cm close to the bottom surface.

[0022] The output pipe 9 and the backwash input pipe 10 are both provided with control valves for controlling the switch.

[0023] The front end of the backwash inlet pipe 10 is connected to a backwash water pump.

[0024] Embodiment 2

[0025] The input and output ends are also equipped with pressure detectors for detecting the current output and input pressures. When the pressure difference is too large, backwashing can be automatically started, which improves the automation of the equipment.

[0026] The cleaning device further comprises a cleaning motor 11 , a cleaning rod 12 , and bristles 13 . The cleaning motor 11 is connected to the cleaning rod 12 , and the cleaning rod 12 is provided with bristles 13 .

[0027] The slurry separation fine screening equipment improves the existing technology in which the slurry will be attached to the screen when passing through the screen during actual use, and regular cleaning is required. The screen is backwashed by setting up backwashing water inlet and water suction pipes and equipment. During the backwashing process, the slurry fibers attached to the screen are removed by vibration or brushing, which avoids clogging of the equipment, improves the working efficiency of the equipment, and reduces the load on the front and rear pumps.

[0028] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0029] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A pulp separation fine screening device for composite grey board processing, characterized in that: Its structure includes a filter barrel, a cover body, a filter, a filter base, a reflux pipe, a reflux pump, an input pipe, a vibration motor, an output pipe, and a backwashing input pipe. The cover body is arranged on the top of the filter barrel, the filter base is arranged below the cover body, the filter base is fixedly connected to the filter, the vibration motor is arranged at the bottom of the filter, the reflux pipe is arranged on the top of the cover body, the reflux pump is arranged on the reflux pipe, the input pipe is arranged next to the reflux pipe, the reflux pipe and the input pipe are both connected to the inside of the filter, and the output pipe and the backwashing input pipe are arranged at the bottom of the filter barrel.

2. The pulp separation fine screen equipment for composite grey board processing according to claim 1, characterized in that: The cover body is fixedly connected to the filter barrel via a buckle.

3. The pulp separation fine screen equipment for composite grey board processing according to claim 1, characterized in that: The filter screen is a cylindrical structure.

4. The pulp separation fine screen equipment for composite grey board processing according to claim 1, characterized in that: The lower end of the reflux pipe is arranged at a position 1-2 cm close to the bottom surface of the filter.

5. The pulp separation fine screen equipment for composite grey board processing according to claim 1, characterized in that: The output pipe and the backwash input pipe are both provided with control valves for controlling the switch.

6. The pulp separation fine screen equipment for composite grey board processing according to claim 1, characterized in that: The front end of the backwashing input pipe is connected to the backwashing water pump.

7. The pulp separation fine screen equipment for composite grey board processing according to claim 1, characterized in that: The utility model also comprises a cleaning motor, a cleaning rod and bristles. The cleaning motor is connected with the cleaning rod and the cleaning rod is provided with bristles.

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