Plate-and-frame filter pressing device for papermaking sludge treatment

Abstract

The utility model belongs to the technical field of sludge treatment, particularly relates to a plate-and-frame filter pressing device for papermaking sludge treatment, and aims to solve the problems that treated sludge is tightly attached to a sludge supporting plate and cannot be easily guided out and the use effect is poor in a plate-and-frame filter pressing mode in the prior art. Four supporting legs are arranged at the bottom of the filter pressing box, a sealing cover is arranged at the top of the filter pressing box, and a pressing plate mechanism is arranged on the sealing cover; the partition plate is fixedly mounted in the filter pressing box and divides the filter pressing box into a sludge area and a sewage area; the sludge supporting mechanism is rotationally mounted in the filter pressing box and matched with the plate pressing mechanism, and the plate pressing mechanism comprises two linear motors. According to the utility model, the supporting box is adopted to support sludge, then filter pressing is carried out, and after filter pressing is completed, the supporting box is turned over, so that the sludge can be quickly guided out of the supporting box, and the sludge is convenient to clean.

Description

Technical Field

[0001] This utility model relates to the field of sludge treatment technology, and in particular to a plate and frame filter press device for papermaking sludge treatment. Background Technology

[0002] Paper mill sludge treatment and disposal is a crucial component of wastewater treatment. The quality of its treatment and disposal is a key indicator of wastewater treatment effectiveness. Poor treatment and disposal can lead to secondary pollution transfer, contaminating soil, water sources, and even the food chain. Current sludge treatment methods primarily include sanitary landfill, thermochemical treatment, and agricultural composting. Thermal treatment encompasses drying, incineration, and pyrolysis. Sludge thermal drying significantly reduces sludge moisture content and volume, providing a prerequisite for resource utilization and other disposal methods. Sludge incineration offers advantages such as thorough elimination of pathogens, significant reduction in sludge volume, and energy recovery; therefore, sludge drying and incineration are often combined.

[0003] Existing sludge treatment methods require filtering wastewater from the sludge. Traditional techniques use plate and frame filter presses, which result in the treated sludge sticking tightly to the sludge support plate and not being easily discharged, leading to poor performance. Utility Model Content

[0004] The purpose of this invention is to solve the shortcomings of traditional plate and frame filter presses, where the treated sludge adheres tightly to the sludge support plate and cannot be easily discharged, resulting in poor performance. Therefore, this invention proposes a plate and frame filter press device for papermaking sludge treatment.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A plate and frame filter press for treating papermaking sludge includes:

[0007] A filter press box, the bottom of which is provided with four support legs, and the top of which is provided with a sealing cover, and the sealing cover is provided with a pressure plate mechanism;

[0008] A partition is fixedly installed inside the filter press box, dividing the filter press box into a sludge zone and a wastewater zone;

[0009] The sludge support mechanism is rotatably installed inside the filter press box and works in conjunction with the pressure plate mechanism.

[0010] Preferably, the pressing plate mechanism includes two linear motors, both of which are mounted on the top of the sealing cover. The same filter press frame plate is mounted on the output shaft of the two linear motors. The filter press frame plate cooperates with the sludge support mechanism, and the bottom of the filter press frame plate is inclined. The two linear motors push the filter press frame plate downward, and the filter press frame plate squeezes the sludge.

[0011] Preferably, the sludge support mechanism includes a support box with an opening on the right side. Rotating shafts are rotatably mounted on both sides of the support box. Both rotating shafts are rotatably mounted on the filter press box via bearings. Synchronous motors are mounted on the outer sides of both rotating shafts and are installed on both sides of the filter press box. The operation of the two synchronous motors drives the support box to flip to the left, causing the support box to tilt downwards, which allows the sludge to be quickly discharged from the support box.

[0012] Preferably, the top of the partition has a notch, and the support box cooperates with the notch.

[0013] Preferably, a limiting strip is fixedly installed on the left inner wall of the filter press, and the left side of the support box contacts the bottom of the limiting strip; the limiting strip is used to limit the position of the support box.

[0014] Preferably, a sludge discharge outlet is provided on the lower left side of the filter press located in the sludge zone, and the sludge discharge outlet is inclined.

[0015] Preferably, a sludge inlet pipe is provided on the upper left side of the filter press located in the sludge zone, the sludge inlet pipe is inclined and located above the limiting strip, and a wastewater discharge pipe is provided on the lower right side of the filter press.

[0016] The beneficial effects of the plate and frame filter press device for papermaking sludge treatment described in this utility model are as follows:

[0017] This solution uses a sludge inlet pipe to add sludge into the support box. Two linear motors push the filter press plate downwards, squeezing the sludge. Wastewater flows into the wastewater zone through the support box. Two linear motors control the filter press plate to move upwards and reset. Two synchronous motors work to drive the support box to flip to the left, tilting it downwards to quickly remove sludge from the support box. Two synchronous motors drive the support box to reset. The notch on the partition is used to support the support box, allowing it to continue to be used.

[0018] This invention uses a support box to support the sludge, and then performs filter pressing. After the filter pressing is completed, the support box is flipped over, which allows the sludge to be quickly discharged from the support box, making sludge cleaning convenient. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of a plate and frame filter press device for papermaking sludge treatment proposed in this utility model;

[0020] Figure 2 This is a side view of a plate and frame filter press device for papermaking sludge treatment proposed in this utility model.

[0021] Figure 3 The present utility model proposes Figure 2 A cross-sectional view of the structure with the sealing cap removed.

[0022] Figure 4 This is a schematic diagram of the sealing cap, two linear motors, and filter press plate proposed in this utility model.

[0023] Figure 5 This is a bottom view of the sealing cap, two linear motors, and filter press frame plate proposed in this utility model.

[0024] In the diagram: 1. Filter press box; 2. Support leg; 3. Sludge inlet pipe; 4. Sludge outlet; 5. Sealing cover; 6. Linear motor; 7. Wastewater outlet pipe; 8. Filter press frame plate; 9. Partition plate; 91. Notch; 10. Synchronous motor; 11. Rotating shaft; 12. Support box; 13. Limiting strip; 14. Sludge zone; 15. Wastewater zone. Detailed Implementation

[0025] The technical solutions in this embodiment will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this embodiment, and not all embodiments.

[0026] Example 1

[0027] The following is combined with Figures 1-5 This application will be described in further detail.

[0028] A plate and frame filter press for treating papermaking sludge includes:

[0029] A filter press box 1 is provided with four support legs 2 at the bottom and a sealing cover 5 at the top, and a pressure plate mechanism is provided on the sealing cover 5.

[0030] The partition 9 is fixedly installed inside the filter press 1, dividing the filter press 1 into a sludge zone 14 and a wastewater zone 15.

[0031] The sludge support mechanism is rotatably installed inside the filter press box 1 and cooperates with the pressure plate mechanism.

[0032] Reference Figure 4 , Figure 5 In this embodiment, the pressing plate mechanism includes two linear motors 6, both of which are mounted on the top of the sealing cover 5. The same filter press frame plate 8 is mounted on the output shaft of the two linear motors 6. The filter press frame plate 8 cooperates with the sludge support mechanism. The bottom of the filter press frame plate 8 is inclined. The two linear motors 6 push the filter press frame plate 8 downward, and the filter press frame plate 8 squeezes the sludge.

[0033] Reference Figure 1 , Figure 2 , Figure 3 In this embodiment, the sludge support mechanism includes a support box 12, with an opening on the right side. Rotating shafts 11 are rotatably mounted on both sides of the support box 12. Both rotating shafts 11 are rotatably mounted on the filter press box 1 via bearings. Synchronous motors 10 are mounted on the outer sides of both rotating shafts 11. The two synchronous motors 10 are mounted on both sides of the filter press box 1. The operation of the two synchronous motors 10 drives the support box 12 to flip to the left, so that the support box 12 tilts downward, allowing the sludge to be quickly discharged from the support box 12.

[0034] Reference Figure 3 In this embodiment, a notch 91 is provided at the top of the partition 9, and the support box 12 cooperates with the notch 91.

[0035] Reference Figure 3 In this embodiment, a limiting strip 13 is fixedly installed on the left inner wall of the filter press 1, and the left side of the support box 12 is in contact with the bottom of the limiting strip 13; the limiting strip 13 is used to limit the support box 12.

[0036] Reference Figure 3 In this embodiment, a sludge discharge outlet 4 is provided on the lower left side of the filter press 1 in the sludge zone 14, and the sludge discharge outlet 4 is inclined.

[0037] Reference Figure 3 In this embodiment, a sludge inlet pipe 3 is provided on the upper left side of the filter press 1, located in the sludge zone 14. The sludge inlet pipe 3 is inclined and located above the limiting strip 13. A sewage discharge pipe 7 is provided on the lower right side of the filter press 1.

[0038] In operation, when in use, the power supply and PLC controller are connected for electrical control, which is existing technology and will not be described in detail here. Sludge is added into the support box 12 through the sludge inlet pipe 3. Two linear motors 6 push the filter press plate 8 downward, and the filter press plate 8 squeezes the sludge. Wastewater flows into the wastewater zone 15 through the support box 12. The two linear motors 6 control the filter press plate 8 to move upward and reset. The two synchronous motors 10 work to drive the support box 12 to flip to the left, so that the support box 12 tilts downward, which can quickly export the sludge from the support box 12. Then, the two synchronous motors 10 drive the support box 12 to reset. The notch 91 on the partition plate 9 is used to support the support box 12, so that it can continue to be used.

[0039] Example 2

[0040] Example 2 is the same as Example 1 in the rest, except that: a vibration motor is provided on the outside of the support box 12. When the support box 12 is flipped and tilted downwards to discharge the sludge, the vibration motor works, which can more conveniently and quickly discharge the sludge and separate it from the support box 12. The bottom inner wall of the sludge area 14 is inclined and faces the sludge discharge port 4, which can facilitate the discharge of sludge. All structural shapes, sizes and materials of Example 1 are included in this application. In order to meet specific usage, they can be selected and adjusted. The attached drawings are schematic structural diagrams. The actual dimensions can be adjusted appropriately.

[0041] The above description is only a preferred embodiment of this practice, but the scope of protection of this embodiment is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the scope of the technology disclosed in this embodiment, based on the technical solution and the inventive concept of this embodiment, should be covered within the scope of protection of this embodiment.

Claims

1. A plate and frame filter press device for treating papermaking sludge, characterized in that, include: A filter press (1) is provided with four support legs (2) at the bottom and a sealing cover (5) at the top. A pressure plate mechanism is provided on the sealing cover (5). A partition (9) is fixedly installed inside the filter press (1) to divide the filter press (1) into a sludge zone (14) and a wastewater zone (15); The sludge support mechanism is rotatably installed inside the filter press box (1) and cooperates with the pressure plate mechanism.

2. A plate and frame filter press device for papermaking sludge treatment according to claim 1, characterized in that, The pressure plate mechanism includes two linear motors (6), both of which are mounted on the top of the sealing cover (5). The same filter press frame plate (8) is mounted on the output shaft of the two linear motors (6). The filter press frame plate (8) cooperates with the sludge support mechanism. The bottom of the filter press frame plate (8) is inclined.

3. A plate and frame filter press device for papermaking sludge treatment according to claim 1, characterized in that, The sludge support mechanism includes a support box (12), which has an opening on the right side. Rotary shafts (11) are rotatably mounted on both sides of the support box (12). Both of the two rotating shafts (11) are rotatably mounted on the filter press box (1) through bearings. Synchronous motors (10) are mounted on the outer sides of both of the two rotating shafts (11). The two synchronous motors (10) are mounted on both sides of the filter press box (1).

4. A plate and frame filter press device for papermaking sludge treatment according to claim 3, characterized in that, The top of the partition (9) is provided with a notch (91), and the support box (12) is matched with the notch (91).

5. A plate and frame filter press device for papermaking sludge treatment according to claim 3, characterized in that, A limiting strip (13) is fixedly installed on the left inner wall of the filter press (1), and the left side of the support box (12) is in contact with the bottom of the limiting strip (13).

6. A plate and frame filter press device for papermaking sludge treatment according to claim 1, characterized in that, The filter press (1) is provided with a sludge outlet (4) on the lower left side of the sludge zone (14), and the sludge outlet (4) is inclined.

7. A plate and frame filter press device for papermaking sludge treatment according to claim 1, characterized in that, The filter press (1) is provided with a sludge inlet pipe (3) on the upper left side of the sludge zone (14). The sludge inlet pipe (3) is inclined and located above the limiting strip (13).

8. A plate and frame filter press device for papermaking sludge treatment according to claim 1, characterized in that, A wastewater discharge pipe (7) is provided on the lower right side of the filter press (1).

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