Papermaking wastewater filtering and recycling device

Abstract

The utility model relates to the technical field of wastewater treatment, and discloses a papermaking wastewater filtering and recycling device which comprises a filtering box, two inserting grooves inclining downwards towards the center of the filtering box are formed in the side wall of the right side of the filtering box, filtering plates are inserted into the inserting grooves respectively, and the right side wall of the filtering box is provided with a water inlet and a water outlet. A downward inclined water outlet is formed in the lower part of the left side wall of the filter box; the filter plate comprises an inclined frame inserted into the filter box and a vertical plate connected with one end of the inclined frame, a filter screen is arranged between the inner walls of the lower portion in the inclined frame, the side wall of the left side of the inclined frame is attached to the inner wall of the left side of the filter box, the vertical width of the vertical plate is larger than that of the insertion groove, and the vertical plate is attached to the side wall of the outer side of the filter box; telescopic rods are arranged at the corners of the lower portion of the filter box respectively, springs are arranged in the telescopic rods, and a vibration motor is arranged on the side wall of the front side of the filter box. Compared with the prior art, the filter has the advantages that the filter is not easy to block and convenient to replace, and the filtering efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of wastewater treatment, in particular to a papermaking wastewater filtering and recycling device. Background Art

[0002] Paper, also known as matte felt paper, is one of the four great inventions of China. It refers to the process of breaking and grinding materials such as wood or bamboo, adding water to make pulp, and then pressing, dehydrating, and drying it.

[0003] In the process of paper production, a large amount of wastewater will be generated. Papermaking wastewater mainly contains solid impurities such as bark, grass clippings, silt, ash, slag, fillers, lignin, pulp short fibers, etc. In the process of recycling papermaking wastewater, a filter is needed to remove the solids in the wastewater to achieve the purpose of solid-liquid separation. However, during long-term use, the filter is prone to clogging, which will affect the filtration efficiency and further affect the subsequent wastewater recovery and treatment process. At the same time, the clogged filter is difficult to clean and can only be replaced. When replacing, it is necessary to stop the wastewater filtration and replace it, which is also easy to affect the filtration efficiency. Utility Model Content

[0004] 1. Technical Problems Solved

[0005] The technical problem to be solved by the utility model is that the filter net is easily clogged and inconvenient to clean and replace, thus reducing the filtering efficiency.

[0006] 2. Technical Solution

[0007] In order to solve the above technical problems, the utility model provides a technical solution: a papermaking wastewater filtering and recycling device, comprising a filter box,

[0008] The right side wall of the filter box is provided with a slot inclined downward toward the center of the filter box, the number of the slots is two, and filter plates are respectively inserted into the slots, and a drain outlet inclined downward is provided below the left side wall of the filter box;

[0009] The filter plate comprises an inclined frame inserted in the filter box and a vertical plate connected to one end of the inclined frame, a filter screen is arranged between the lower inner wall of the inclined frame, the left side wall of the inclined frame is in contact with the left inner wall of the filter box, and the upper and lower widths of the vertical plate are greater than the slot and are in contact with the outer side wall of the filter box;

[0010] A telescopic rod is respectively arranged at the lower corner of the filter box, a spring is arranged inside the telescopic rod, and a vibration motor is arranged on the front side wall of the filter box.

[0011] As an improvement, the inner wall at the bottom of the filter box is parallel to the drain outlet.

[0012] As an improvement, a horizontal rod is provided on the side wall of the filter box corresponding to the slot, the length of the horizontal rod is equal to the thickness of the vertical plate, and the other end of the horizontal rod is rotatably provided with a limit plate that cooperates with the vertical plate, one end of the limit plate is not in contact with the adjacent vertical plate, and the other end is in contact with the adjacent vertical plate.

[0013] As an improvement, a U-shaped handle is provided on the side wall of the vertical plate away from the filter box, and the corner of the inner wall at the upper end of the inclined frame is a rounded structure.

[0014] As an improvement, a detachable filter screen 2 is provided at the other end of the drain outlet.

[0015] As an improvement, a slot 2 is provided at the end of the drain outlet away from the filter box, a slot 3 is provided on the inner wall of the slot 2, the diameter of the slot 2 is smaller than the diameter of the slot 3, and a T-shaped rod is provided at the end of the filter screen 2 facing the drain outlet, which cooperates with the slot 2 and the slot 3 respectively, and the T-shaped rod is made of rubber material.

[0016] As an improvement, the aperture of the filter screen 2 is equal to the aperture of the filter screen.

[0017] 3. Beneficial Effects

[0018] The advantages of the utility model compared with the prior art are:

[0019] 1. The filter box can vibrate up and down with the cooperation of the vibration motor and the telescopic rod with a spring inside, reducing the clogging of the filter and making the filter more durable;

[0020] 2. There are two replaceable filter plates, which are installed by passing through the slots. They are simple to install and easy to operate. They can be pulled out and replaced alternately, so that the filter box can continuously treat wastewater and improve filtering efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 The utility model is a structural schematic diagram of a papermaking wastewater filtering and recycling device.

[0022] Figure 2 The utility model is a front view of the internal structure of a papermaking wastewater filtering and recycling device.

[0023] Figure 3 The utility model is a schematic diagram of the internal structure of a filter box of a papermaking wastewater filtering and recycling device.

[0024] Figure 4 The utility model is a structural schematic diagram of a filter plate of a papermaking wastewater filtering and recycling device.

[0025] Figure 5 The utility model is a schematic diagram of the structure of a filter screen 2 of a papermaking wastewater filtering and recovery device.

[0026] As shown in the figure: 1. Filter box; 2. Slot; 3. Filter plate; 4. Filter; 5. Drain outlet; 6. Telescopic rod; 7. Spring; 8. Vibration motor; 9. Horizontal rod; 10. Limit plate; 11. Handle; 12. Filter 2; 13. Slot 2; 14. Slot 3; 15. T-shaped rod. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0028] Embodiment 1

[0029] As attached Figure 1 and attached Figure 2 As shown, a papermaking wastewater filtering and recovery device comprises a filter box 1, wherein the right side wall of the filter box 1 is provided with a slot 2 inclined downward toward the center of the filter box 1, and the number of the slots 2 is two, and filter plates 3 are respectively inserted in the slots 2, and a drain outlet 5 inclined downward is provided at the lower part of the left side wall of the filter box 1; the filter plate 3 comprises an inclined frame inserted in the filter box 1 and a vertical plate connected to one end of the inclined frame, a filter screen 4 is provided between the lower inner walls of the inclined frame, the left side wall of the inclined frame is in contact with the left inner wall of the filter box 1, the upper and lower widths of the vertical plate are greater than the slot 2 and are in contact with the outer side wall of the filter box 1; telescopic rods 6 are respectively provided at the lower corners of the filter box 1, and springs 7 are provided in the telescopic rods 6, and a vibration motor 8 is provided on the front side wall of the filter box 1.

[0030] Through the above structure, the vibration motor 8 is started. Since the spring 7 is provided in the telescopic rod 6, the filter box 1 will vibrate up and down to reduce the blockage of debris in the filter plate 3. The filter plate 3 is provided with two upper and lower ones, and is easy to install and disassemble. When the upper filter plate 3 is full or blocked, the upper filter plate 3 is pulled out to use the lower filter plate 3 to continue filtering. When the lower filter plate 3 is full or blocked, the upper filter plate 3 is inserted first, and then the lower filter plate 3 is pulled out, so that the filtration can be continuously and efficiently carried out, thereby improving the filtration efficiency.

[0031] It is worth noting that the supporting power supply and control switch of the vibration motor 8 mentioned in this embodiment can also be provided by the manufacturer. The circuits, electronic components and modules involved are all existing technologies and can be fully implemented by those skilled in the art without further elaboration.

[0032] Embodiment 2

[0033] Based on Example 1, please refer to the attached Figure 3 , Attachment Figure 4 and attached Figure 5

[0034] The inner wall at the bottom of the filter box 1 is parallel to the drain outlet 5 .

[0035] Through the above structure, the filtered papermaking wastewater can flow smoothly along the bottom surface of the filter box 1 to the drain port 5 and out.

[0036] A horizontal rod 9 is provided on the side wall of the filter box 1 corresponding to the above the slot 2, and the length of the horizontal rod 9 is equal to the thickness of the vertical plate. A limit plate 10 cooperating with the vertical plate is rotatably provided on the other end of the horizontal rod 9, and one end of the limit plate 10 is not in contact with the adjacent vertical plate, and the other end is in contact with the adjacent vertical plate; a U-shaped handle 11 is provided on the side wall of the vertical plate away from the filter box 1, and the inner wall corner of the upper end of the inclined frame is a rounded structure.

[0037] Through the above structure, the filter plate 3 can be pulled out more conveniently by holding the handle 11 , and the side wall of the filter box 1 is provided with a limiting plate 10 for limiting the filter plate 3 to prevent the filter plate 3 from loosening after being inserted into the filter box 1 .

[0038] A slot 2 13 is provided at one end of the drain outlet 5 away from the filter box 1, a slot 3 14 is provided on the inner wall of the slot 2 13, the diameter of the slot 2 13 is smaller than the diameter of the slot 3 14, and a T-shaped rod 15 which cooperates with the slot 2 13 and the slot 3 14 respectively is provided at one end of the filter screen 2 12 facing the drain outlet 5, and the T-shaped rod 15 is made of rubber material; the aperture of the filter screen 2 12 is equal to the aperture of the filter screen 4.

[0039] Through the above structure, the sundries passing through the filter plate 3 can be further intercepted, so that the impurities in the papermaking wastewater can be filtered out, and the filter screen 12 is easy to disassemble and can be replaced in time.

[0040] The specific method of use is as follows: turn and open the corresponding limit plate 10, so that the filter plates 3 are inserted into the filter box 1 through the slots 2 in turn, and install the filter screen 12 at the end of the drain port 5, pour papermaking wastewater into the filter box 1 from the top, start the vibration motor 8, and since the spring 7 is provided in the telescopic rod 6, the filter box 1 will vibrate up and down to reduce the blockage of debris in the filter plate 3, and filter through the filter plates 3 in turn. When the upper filter plate 3 is full or blocked, pull out the upper filter plate 3 to continue filtering with the lower filter plate 3. When the lower filter plate 3 is full or blocked, first insert the upper filter plate 3, and then pull out the lower filter plate 3, so that the filtration continues to be efficient and the filtration efficiency is improved.

[0041] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0042] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

[0043] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A papermaking wastewater filtering and recovery device, comprising a filter box (1), characterized in that: The right side wall of the filter box (1) is provided with a slot (2) inclined downward toward the center of the filter box (1), the number of the slots (2) is two, and filter plates (3) are respectively inserted into the slots (2), and a drain outlet (5) inclined downward is provided below the left side wall of the filter box (1); The filter plate (3) comprises an inclined frame inserted into the filter box (1) and a vertical plate connected to one end of the inclined frame, a filter screen (4) is provided between the lower inner walls of the inclined frame, the left side wall of the inclined frame is in contact with the left inner wall of the filter box (1), and the upper and lower widths of the vertical plate are greater than the slot (2) and are in contact with the outer side wall of the filter box (1); A telescopic rod (6) is provided at each corner below the filter box (1), a spring (7) is provided inside the telescopic rod (6), and a vibration motor (8) is provided on the front side wall of the filter box (1).

2. A papermaking wastewater filtration and recovery device according to claim 1, characterized in that: The inner wall of the bottom of the filter box (1) is parallel to the drain outlet (5).

3. The papermaking wastewater filtering and recovery device according to claim 1, characterized in that: A horizontal rod (9) is provided on the side wall of the filter box (1) corresponding to the slot (2), the length of the horizontal rod (9) is equal to the thickness of the vertical plate, and a limit plate (10) is rotatably provided at the other end of the horizontal rod (9) to cooperate with the vertical plate, and one end of the limit plate (10) is not in contact with the adjacent vertical plate, while the other end is in contact with the adjacent vertical plate.

4. The papermaking wastewater filtering and recovery device according to claim 1, characterized in that: A U-shaped handle (11) is provided on the side wall of the vertical plate away from the filter box (1), and the inner wall corner of the upper end of the inclined frame is a rounded structure.

5. The papermaking wastewater filtering and recovery device according to claim 1, characterized in that: The other end of the drain outlet (5) is provided with a detachable filter screen 2 (12).

6. A papermaking wastewater filtering and recovery device according to claim 5, characterized in that: The end of the drain outlet (5) away from the filter box (1) is provided with a second slot (13), the inner wall of the second slot (13) is provided with a third slot (14), the diameter of the second slot (13) is smaller than the diameter of the third slot (14), and the end of the filter screen (12) facing the drain outlet (5) is provided with a T-shaped rod (15) respectively matched with the second slot (13) and the third slot (14), and the T-shaped rod (15) is made of rubber material.

7. The papermaking wastewater filtering and recovery device according to claim 5, characterized in that: The aperture of the filter screen 2 (12) is equal to the aperture of the filter screen (4).

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