Filter plate cleaning device

Abstract

The utility model provides a filter plate cleaning device which comprises a box body, a filter plate cleaning device and a filter plate cleaning device. The limiting assembly is arranged on the side wall of the box body, and the limiting assembly is used for limiting the positions of the filter plates in the box body, so that the multiple filter plates are placed in the box body at intervals; the first supporting plate is arranged in the box body, a gap is reserved between the first supporting plate and the bottom surface of the box body, the first supporting plate is used for placing the end part of the filter plate, and a plurality of holes are formed in the first supporting plate; the aeration assembly is located between the first supporting plate and the bottom face of the box body, and the aeration assembly is used for aerating the holes. According to the utility model, the filter plate can be pickled and soaked by using acid wastewater, no extra chemical agent is needed, the manpower consumed for cleaning the filter plate can be greatly reduced, and the cleaning quality is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to filter press technical field, especially a kind of filter plate cleaning device. BACKGROUND

[0002] Filter press is a kind of solid-liquid separation equipment, it uses special filter medium to exert pressure on material, so that liquid is dialysed, realizes solid-liquid separation. Filter press is widely used in chemical industry, pharmacy, metallurgy, dyestuff, food, brewing, ceramics and environmental protection etc. industry. Diaphragm plate and frame filter press is a kind of common filter press. Diaphragm plate and frame filter press is mainly composed of filter plate and filter frame parallel alternation arrangement, and filter cloth is clamped in the middle of each filter plate and filter frame, and it is compressed to form filter chamber. Filter plate usually adopts polypropylene material, and dense convex points of precision arrangement are arranged on the surface, and water flow channel is formed between convex points, which can accelerate the flow of filtrate, shorten the filtration time, and the convex points can perform deep extrusion on the filter cake formed in filter chamber, which significantly improves the filtration effect and dehydration capacity.

[0003] In the operation process of diaphragm plate and frame filter press, when filter cloth is damaged, sludge can flow through water flow channel directly, or due to the blockage of liquid discharge hole on filter plate, liquid outlet is not smooth, so that suspended solids in filtrate are left in water flow channel, which causes the accumulation of dirt in water flow channel, i.e. the accumulation of dirt between convex points, so that the convex point structure on the surface of filter plate is changed, which causes the sludge dewatering effect of diaphragm plate and frame filter press to decrease significantly. When cleaning filter plate, due to the strong adhesion of sludge under high pressure extrusion, the conventional operation mode is manual brushing and flushing one by one, which is time-consuming and laborious, and the cleaning effect cannot be guaranteed, and in extreme cases, even the filter plate needs to be replaced. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of filter plate cleaning device, can utilize acid waste water to filter plate is pickled and soaked, need not extra use chemical reagent, and can greatly reduce the manpower consumed by filter plate cleaning, improve cleaning quality.

[0005] In order to achieve the above purpose, the utility model provides a kind of filter plate cleaning device, it includes:

[0006] Box, the box has liquid inlet and liquid outlet;

[0007] Limiting component, it is set on the side wall of the box, the limiting component is used to limit the position of filter plate in the box, so that multiple filter plates are placed in the box at intervals;

[0008] First support plate, it is set in the box, and spacing is left between the first support plate and the bottom surface of the box, the end of the filter plate is placed on the first support plate, and a plurality of holes are formed on the first support plate;

[0009] An aeration assembly is arranged between the first support plate and the bottom surface of the box body, and is configured to aerate the holes.

[0010] Optionally, the liquid inlet and the liquid outlet are arranged on the side wall of the box body, the height of the liquid outlet is higher than that of the liquid inlet, the height of the limiting assembly is higher than that of the liquid inlet and lower than that of the liquid outlet, and the height of the first support plate is lower than that of the limiting assembly.

[0011] Optionally, the aeration assembly comprises an aeration pipeline and a support, and the support is arranged on the bottom surface of the box body and configured to support the aeration pipeline.

[0012] Optionally, the aeration pipeline is provided with a plurality of aeration holes, and the area of the holes is greater than that of the aeration holes.

[0013] Optionally, the limiting assembly comprises a plurality of limiting plates arranged at intervals on the side wall of the box body, and a limiting plate is arranged between two adjacent limiting plates.

[0014] Optionally, the limiting assembly comprises a second support plate connected with the plurality of limiting plates, and the second support plate is configured to support the lifting lugs of the filter plate.

[0015] Optionally, the number of the limiting assemblies is two, and the two limiting assemblies are arranged on the opposite side walls of the box body, respectively, and the limiting plates of the two limiting assemblies are arranged opposite to each other.

[0016] Optionally, the plurality of holes are arranged in multiple rows on the first support plate, and each row corresponds to a limiting plate.

[0017] Optionally, the side wall of the box body is provided with a vent.

[0018] Optionally, the filter plate cleaning device comprises a cover plate, and the cover plate is provided with a vent.

[0019] As configured above, multiple filter plates are placed spaced apart within the chamber without interference by a limiting component. An inlet and outlet are provided; during filter plate cleaning, both are opened simultaneously to replenish acid and maintain a consistent acid concentration for effective cleaning. An aeration component is also installed within the chamber to enhance the cleaning effect. This invention utilizes acid wastewater for acid washing and soaking of the filter plates, eliminating the need for additional chemical agents and significantly reducing manpower required for filter plate cleaning, thus improving cleaning quality. This invention allows for timely cleaning of clogged filter plates, ensuring stable filtration performance of the filter press, reducing the probability of filter cloth damage, and extending the service life of the plate and frame filter press, resulting in significant economic benefits. Furthermore, the chamber has a small footprint and can be fabricated on-site in the plate and frame filter press workshop, enabling in-situ cleaning and regeneration without the need for secondary filter plate handling. Attached Figure Description

[0020] Those skilled in the art will understand that the accompanying drawings are provided to better understand the present invention and do not constitute any limitation on the scope of the present invention. Wherein:

[0021] Figure 1 This is a schematic diagram of a filter plate cleaning device according to an embodiment of the present invention;

[0022] Figure 2 This is a schematic diagram of a filter plate placed in a filter plate cleaning device according to an embodiment of the present invention;

[0023] Figure 3 This is a top view of a filter plate placed in a filter plate cleaning device according to an embodiment of the present invention;

[0024] Figure 4 This is a schematic diagram of the first support plate of a filter plate cleaning device according to an embodiment of the present invention;

[0025] Figure 5 This is a schematic diagram of the cover plate of a filter plate cleaning device according to an embodiment of the present invention.

[0026] The accompanying figure is labeled as follows:

[0027] 01-Cover plate; 011-Exhaust port; 1-Box body; 11-Drain port; 111-Drain pipe; 112-Drain valve; 12-Liquid outlet; 121-Liquid outlet pipe; 2-Limiting component; 21-Limiting plate; 22-Second support plate; 23-Rib plate; 3-First support plate; 31-Hole; 4-Filter plate; 41-Lifting lug; 5-Guide plate; 6-Aeration component; 61-Aeration pipeline; 62-Bracket; 7-Support column; 8-Liquid inlet pipe; 81-Liquid inlet valve; 91-Acid inlet valve; 92-Industrial water valve. Detailed Implementation

[0028] In this article, unless otherwise stated, the terms "upper", "lower", "left", "right", "inner", "outer", "front", "back", "top", "bottom" and the like are used to indicate the orientation or positional relationship based on the drawings, only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have the orientation and operation of the feature, therefore, it cannot be understood as a limitation on the utility model.

[0029] The specific embodiments of the utility model will be described in more detail below in conjunction with the schematic drawings. The advantages and features of the utility model will be clearer according to the following description. It should be noted that the drawings are all in a very simplified form and all use non-precise proportions, only for the purpose of facilitating, clearly assisting the description of the utility model embodiments.

[0030] The preferred embodiments of the utility model are given below in conjunction with the drawings and are described in detail.

[0031] Figure 1 It is a schematic diagram of the filter plate cleaning device of an embodiment of the utility model, Figure 2 It is a schematic diagram of the filter plate placed in the filter plate cleaning device of an embodiment of the utility model, Figure 3 It is a top view of the filter plate placed in the filter plate cleaning device of an embodiment of the utility model. Please refer to Figure 1 、 Figure 2 and Figure 3 The utility model embodiment provides a filter plate cleaning device, which comprises a box body 1, a limiting assembly 2, a first supporting plate 3 and an aeration assembly 6. Since the pollution blocking material in the water flow channel of the filter plate is mainly acid-soluble material, the acid liquid is introduced into the box body 1 to clean the filter plate. The acid liquid can adopt acid wastewater, such as production effluent of pickling unit and acid regeneration unit, including hydrochloric acid dilute acid water, mixed acid dilute acid water, sulfuric acid dilute acid water and other types of waste acid.

[0032] The box body 1 has a liquid inlet and a liquid outlet 12, further, the liquid inlet and the liquid outlet 12 are both arranged on the side wall of the box body 1, the height position of the liquid outlet 12 is higher than that of the liquid inlet, the height position of the limiting assembly 2 is higher than that of the liquid inlet and lower than that of the liquid outlet 12, and the height position of the first supporting plate 3 is lower than that of the limiting assembly 2. The liquid outlet 12 is 200mm away from the top end of the box body 1 to prevent the acid liquid from splashing out of the box body 1 during cleaning. The liquid outlet 12 is connected with a liquid outlet pipe 121.

[0033] The limiting assembly 2 is arranged on the side wall of the box 1, and is used to limit the position of the filter plates 4 in the box 1, so that the filter plates 4 are arranged in the box 1 in a spaced manner. Further, the limiting assembly 2 comprises a plurality of limiting plates 21 arranged in a spaced manner on the side wall of the box 1, and two adjacent limiting plates 21 are used to arrange one filter plate 4. For example, the limiting plates 21 can be arranged in a vertical manner. In an ideal state, the filter plates 4 should be arranged in a vertical manner in the box 1, and the limiting plates 21 are arranged to separate the filter plates 4. Even if the filter plates are inclined during the cleaning process, the filter plates will be separated by the limiting plates 21 and will not press other filter plates, so that the cleaning effect is ensured. The distance between the limiting plates 21 can be 1.5-2 times the thickness of the filter plate 4.

[0034] Preferably, the limiting assembly 2 comprises a second support plate 22 connected with the plurality of limiting plates 21, and the second support plate 22 is used to support the lifting lug 41 of the filter plate 4. For example, the second support plate 22 can be arranged in a horizontal manner, and the plurality of limiting plates 21 can be connected with the same second support plate 22. The width of the second support plate 22 along the direction of the filter plate 4 can be 130-170 mm, for example, 150 mm. Preferably, the lower surface of the second support plate 22 can be connected with a plurality of rib plates 23. For example, the plurality of rib plates 23 can correspond to the limiting plates 21 one by one. The rib plate 23 can be triangular and arranged in a vertical manner. Two straight sides of the triangular rib plate 23 are fixedly connected with the second support plate 22 and the side wall of the box 1. On the one hand, the rib plate 23 and the second support plate 22 support the lifting lug 41 of the filter plate 4, and share the weight of the filter plate 4 with the first support plate 3. On the other hand, the rib plate 23 and the second support plate 22 reinforce the limiting plate 21, so that the limiting plate 21 is not easy to fall off or deviate from the position of the side wall of the box 1. Preferably, the number of the limiting assembly 2 is two, and the two limiting assemblies 2 are respectively arranged on the opposite two side walls of the box 1. The limiting plates 21 of the two limiting assemblies 2 correspond to each other and are arranged in a facing manner, so that the left and right ends of the filter plate 4 are limited by the limiting assembly 2.

[0035] The first support plate 3 is arranged in the box 1, and a space is left between the first support plate 3 and the bottom surface of the box 1. The first support plate 3 is used to arrange the end of the filter plate. It can be understood that the height difference between the second support plate 22 and the first support plate 3 is equal to the distance from the bottom of the lifting lug of the filter plate to the bottom of the filter plate. In this embodiment, the lower end of the filter plate is arranged on the first support plate 3. It can be understood that the first support plate 3 is arranged at the lower part of the box 1. For example, the space between the first support plate 3 and the bottom surface of the box 1 can be 400 mm. The first support plate 3 is provided with a plurality of holes 31. For example, the first support plate can be supported on the bottom of the box 1 by a plurality of support columns 7. For example, the thicknesses of all the support columns 7 do not require to be the same. For example, there can be four support columns with a diameter of 200 mm and two support columns with a diameter of 100 mm, as shown in FIG. 1. Figure 4 ​

[0036] The aeration assembly 6 is located between the first support plate 3 and the bottom surface of the box 1, and is used to aerate the holes 31. Further, the aeration assembly 6 includes an aeration pipeline 61 and a bracket 62, the bracket 62 is arranged on the bottom surface of the box 1 and is used to support the aeration pipeline 61. The aeration pipeline 61 is provided with a plurality of aeration holes (not shown in the figure), the area of the hole 31 is greater than the area of the aeration hole, and the outlet direction of the aeration hole can be inclined downward, for example, the aeration holes can be opened on both sides of the aeration pipeline 61 inclined downward, and the outlet direction of the aeration hole can be inclined downward by 45°, and one or a pair of aeration holes can be arranged every 300mm along the aeration pipeline 61. The outlet direction of the aeration hole is inclined downward, which can prevent impurities in the waste acid water from precipitating. The diameter of the aeration hole can be 3-5mm, and the diameter of the hole 31 can be 30-50mm. It can be understood that aeration can have a scrubbing effect on the filter plate, which is beneficial to improve the cleaning effect of the filter plate.

[0037] Preferably, the plurality of holes 31 are arranged in multiple rows on the first support plate 3, and each row corresponds to a limiting plate 21, as shown in Figure 3 and Figure 4 After the filter plate 4 is placed in the box 1, the holes 31 are not pressed, so that aeration can be effectively carried out.

[0038] The side wall of the box 1 is provided with a discharge port 11, and the discharge port 11 is connected with a discharge pipe 111, which is used to discharge the liquid in the box 1. It can be understood that the discharge port 11 is located at the bottom of the box 1. It can be referred to Figure 5 The filter plate cleaning device includes a cover plate 01, which can prevent acid liquid from splashing out of the box 1 during cleaning, because a large amount of acid liquid is contained in the box 1 during cleaning. The cover plate 01 is provided with an exhaust port 011. Exemplarily, the cover plate 01 can be a transparent plastic plate made of PP material, and a flat steel is anchored around the cover plate 01, and the flat steel is subjected to corrosion treatment.

[0039] Preferably, the upper part of the side wall of the box 1 is provided with a plurality of guide plates 5, which can correspond to the limiting plates 21 one by one and are used to guide the placement of the filter plate.

[0040] In the embodiment, the height of the liquid inlet is lower than that of the first support plate 3, the diameter of the liquid inlet can be 50mm, and the diameter of the emptying port 11 is larger than that of the liquid inlet, for example, the diameter of the emptying port 11 can be 80mm. Preferably, the emptying port 11 and the liquid outlet 12 can be located at one side end of the box body 1 and at the same side wall of the box body 1, and the liquid inlet can be located at the other side end of the box body 1 and at the side wall of the box body 1 opposite to the emptying port 11, so that the liquid inlet is not easy to accumulate mud. The liquid inlet is communicated with a liquid inlet pipe 8, the liquid inlet pipe 8 is communicated with an acid inlet pipe and a rinsing water pipe through a three-way pipe fitting, the acid inlet pipe is used to introduce waste acid into the liquid inlet pipe 8, and the rinsing water pipe is used to connect an industrial water pipe and introduce rinsing water into the liquid inlet pipe 8, a Y-shaped filter can be arranged on the acid inlet pipe to avoid impurities from polluting the pipe, and the Y-shaped filter can be cleaned regularly. Considering the load, the box body 1 can be provided with a volume for cleaning 5 filter plates at a time, and the size of the box body 1 in the embodiment is 2*1*2.5 (unit: meter).

[0041] When the water flow channel of the filter plate is polluted, the filter plate is hoisted into the box body 1, the liquid inlet valve 81 is opened, the liquid level is raised to the liquid outlet 12, the liquid inlet valve 81 is adjusted to maintain a small flow of acid, at the same time, the liquid outlet 12 also maintains a small flow of liquid, and the aeration is started, and the stirring and gas washing are performed. It can be understood that the process of cleaning is accompanied by consumption of acid, and the liquid inlet always maintains the introduction of acid and the liquid outlet 12 always maintains the outlet of liquid, which can ensure that the concentration of the acid liquid in the box body 1 is sufficient, thereby ensuring the cleaning effect. After continuous soaking for a period of time (for example, two days or one day), the acid inlet valve 91 on the acid inlet pipe is closed, the industrial water valve 92 on the rinsing water pipe is opened, the acid liquid is replaced, the cover plate and the emptying valve 112 are opened, and the filter plate is manually and simply washed, and thus the accumulated mud in the water flow channel of the filter plate can be completely cleaned. The waste acid water discharged by the upstream production line can be transported to the adjusting tank after passing through the filter plate cleaning device in the embodiment, and then transported to the waste acid neutralization treatment system, and the waste acid is fully utilized in the embodiment, which is environmentally friendly and saves cost.

[0042] As configured above, the plurality of filter plates are spaced apart and placed in the box body 1 without interfering with each other through the limiting assembly 2; the liquid inlet and the liquid outlet 12 are arranged, the liquid inlet and the liquid outlet 12 are opened at the same time when the filter plate is cleaned, so as to supplement the acid liquid at any time and maintain a certain acid concentration to ensure the cleaning effect; and the aeration assembly 6 is arranged in the box body 1, thereby enhancing the cleaning effect. The filter plate can be pickled and soaked by using acid waste water according to the utility model, without the need of additional use of chemical agents, and the labor consumed for cleaning the filter plate is greatly reduced, and the cleaning quality is improved. The filter plate can be cleaned in time according to the utility model, the filtering performance of the filter press is ensured to be in a stable state, the probability of damage of the filter cloth is reduced, the service life of the plate-and-frame filter press is prolonged, and the economic benefit is remarkable. At the same time, the box body 1 occupies a small area, can be made on site in the plate-and-frame filter press workshop, realizes on-site cleaning and regeneration, and does not need to be transported twice.

[0043] It should be noted that the description of "one embodiment", "an embodiment", "certain embodiments", "some embodiments", and the like refers to the described embodiment, which can include a particular feature, structure, or characteristic, but not necessarily every embodiment. Furthermore, the described features, structures, or characteristics can be combined in any suitable manner in one or more embodiments.

[0044] It should be noted that the embodiments in the specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between embodiments can be referred to each other.

[0045] It should also be noted that although the utility model has been disclosed as above with the preferred embodiments, the above embodiments are not intended to limit the utility model. For any skilled person in the art, without departing from the scope of the utility model technical scheme, the above disclosed technical content can be used to make many possible changes and modifications to the utility model technical scheme, or modified as equivalent embodiments. Therefore, any simple modification, equivalent change and modification of the above embodiments made according to the technical essence of the utility model, which does not deviate from the content of the utility model technical scheme, still belongs to the protection scope of the utility model technical scheme.

[0046] It should also be understood that, unless specifically described or indicated, the terms "first", "second", "third" and the like in the specification are merely used to distinguish different components, elements, steps and the like in the specification, and are not intended to represent a logical relationship or sequence relationship between the components, elements, steps and the like.

[0047] In addition, it should be recognized that the terms described herein are used only to describe certain embodiments and are not intended to limit the scope of the utility model. It should be noted that the singular form "one" and "an" used herein and in the appended claims includes plural references unless the context clearly indicates the opposite. For example, the reference to "one step" or "one device" means the reference to one or more steps or devices, and can include secondary steps and secondary devices. All conjunctions used should be interpreted in the broadest sense. In addition, the word "or" should be interpreted as having the definition of logical "or", not the definition of logical "exclusive or", unless the context clearly indicates the opposite. In addition, the implementation of the method and / or equipment in the embodiments of the utility model can include manually, automatically or combinedly performing selected tasks.

Claims

1. A filter plate washing apparatus, characterized by, The application relates to a filter plate cleaning device. The box has a liquid inlet and a liquid outlet. A limiting assembly is arranged on the side wall of the box, and is used for limiting the position of the filter plate in the box. A first supporting plate is arranged in the box, and a space is left between the first supporting plate and the bottom surface of the box. An aeration assembly is arranged between the first supporting plate and the bottom surface of the box, and is used for aerating the holes.

2. The filter plate washing apparatus of claim 1, wherein The liquid inlet and the liquid outlet are arranged on the side wall of the box.

3. The filter plate washing apparatus of claim 1, wherein The height of the liquid outlet is higher than that of the liquid inlet.

4. The filter plate washing apparatus of claim 3, wherein The height of the limiting assembly is higher than that of the liquid inlet and lower than that of the liquid outlet.

5. The filter plate washing apparatus of claim 1, wherein The aeration assembly comprises an aeration pipeline and a support.

6. The filter plate washing apparatus of claim 5, wherein The aeration pipeline is provided with a plurality of aeration holes.

7. The filter plate washing apparatus of claim 5, wherein The area of the holes is larger than that of the aeration holes.

8. The filter plate washing apparatus of claim 5, wherein The limiting assembly comprises a plurality of limiting plates arranged on the side wall of the box.

9. The filter plate washing apparatus of claim 1, wherein The limiting assembly comprises a second supporting plate connected with the limiting plates.

10. The filter plate washing apparatus of claim 1, wherein The number of the limiting assemblies is two, and the limiting assemblies are arranged on the opposite side walls of the box. The holes are arranged in a plurality of rows on the first supporting plate. The side wall of the box is provided with a discharge port. The filter plate cleaning device comprises a cover plate provided with a discharge port.

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