Filter plate cleaning tank for filter in ultra-high molecular weight polyethylene fiber production

Abstract

The utility model relates to a filter plate cleaning tank in ultra-high molecular weight polyethylene fiber production, which comprises a water tank body, a suspension bracket, a circulating pump, an oil filtering unit and an ultrasonic vibration cleaner, the upper end of the water tank body is provided with an open notch, and the suspension bracket is fixedly arranged in the water tank body and is positioned below the notch; the ultrasonic vibration cleaner is arranged on the inner side of the vertical side wall of the water tank body; water is injected into the water tank body, a first circulating hole and a second circulating hole located below the first circulating hole are formed in the side wall of the upper portion of the water tank body, a water inlet of the circulating pump is connected with the first circulating hole through a pipeline, and a water outlet of the circulating pump is connected with the second circulating hole through an oil removal pipeline. The oil filtering unit is arranged on the portion, located between the circulating pump and the first circulating hole, of the oil removing pipeline. According to the utility model, the cleaning process is strengthened, and the situation of secondary adhesion of attapulgite and oily impurities is avoided.

Description

Technical Field

[0001] The invention relates to a filter plate cleaning tank in ultra-high molecular weight polyethylene fiber production, belonging to the field of ultra-high molecular weight polyethylene fiber production equipment. Background Art

[0002] In the process of producing ultra-high molecular weight polyethylene fiber by gel method, white oil is used as solvent to dissolve ultra-high molecular weight polyethylene, and the white oil is decolorized and purified by attapulgite clay (hereinafter referred to as "attapulgite") and recycled in the production system. The mixture of white oil and attapulgite is filtered by a filter, and the filter cake is removed regularly. After the filter has been running for a long time, fine attapulgite particles and oily impurities in the white oil will adhere to the filter plate, the filtration resistance will increase, and the filtration effect will be affected. Therefore, the filter plate of the filter needs to be cleaned regularly.

[0003] The filter plates of the filter are cleaned in the cleaning tank, usually by soaking. The operation process is: lay the filter plates to be cleaned layer by layer into the cleaning tank, add water and soak them. After soaking for a certain period of time, brush off the concave soil particles and oily impurities adhering to the surface of the filter plates, then wash with water and blow dry.

[0004] During the cleaning process, the filter plates are placed horizontally layer by layer, which requires operators to lift them, which is labor-intensive. In addition, during the soaking process, the particles from the upper filter plate fall onto the filter plate below, and the oily impurities that fall off float and contact the upper filter plate and adhere to the surface of the upper filter plate for a second time, which increases the workload of cleaning. In addition, the soaking process is a static soaking process, which takes a long time and has low cleaning efficiency. Summary of the invention

[0005] The purpose of the utility model is to provide a filter plate cleaning tank with a new structure to reduce the labor, strengthen the cleaning process, and improve the cleaning efficiency of the filter plate. The technical solution of the utility model is:

[0006] A filter plate cleaning tank for a filter in the production of ultra-high molecular weight polyethylene fibers, comprising a tank body, a hanging bracket, a circulation pump, an oil filter unit and an ultrasonic vibration cleaner, wherein the upper end of the tank body has an open notch, the hanging bracket is fixedly arranged in the tank body and is located below the notch; the ultrasonic vibration cleaner is arranged on the inner side of the vertical side wall of the tank body; water is injected into the tank body, a first circulation hole and a second circulation hole located below the first circulation hole are opened in the upper side wall of the tank body, the water inlet of the circulation pump is connected to the first circulation hole through a pipeline, the water outlet of the circulation pump is connected to the second circulation hole through an oil removal pipeline, and the oil filter unit is arranged in the portion of the oil removal pipeline between the circulation pump and the first circulation hole.

[0007] The filter plate cleaning tank of the filter machine in the production of ultra-high molecular weight polyethylene fibers is further designed in that the oil filter unit includes a cylinder, two mesh plates longitudinally distributed in the cylinder, and an oil-absorbing felt located between the two mesh plates.

[0008] The filter plate cleaning tank for the filter machine in the production of ultra-high molecular weight polyethylene fibers is further designed in that a buoy is connected to the end of the oil removal pipeline passing through the first circulation hole.

[0009] The novel cleaning tank is mainly composed of a water tank body, a hanging bracket, and an ultrasonic vibration cleaner. Specifically, by adding a hanging bracket assembly, it is more convenient to place the filter plate, and the filter plate can be hoisted to the top of the hanging bracket by a crane, which greatly reduces the amount of manual labor. By strengthening the cleaning process with an ultrasonic vibration cleaner, the fine concave soil particles and oily impurities on the filter plate can be fully removed, thereby improving the cleaning efficiency. The filter plate is vertically suspended on the cleaning hanging bracket, and the concave soil particles that fall off due to vibration fall vertically into the water tank, and the oily impurities float on the surface of the cleaning water, and no secondary adhesion occurs, thus achieving a thorough cleaning effect. Compared with ordinary cleaning tanks with a single function, the utility model vertically suspends the filter plate for cleaning by installing a hanging bracket and an ultrasonic cleaning vibrator. It can clean various types of filter plates that can be suspended for cleaning, and strengthens the cleaning process, avoiding the secondary adhesion of concave soil and oily impurities. It has the advantages of simple operation, high cleaning efficiency, and efficient operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a schematic diagram of the overall structure of the embodiment.

[0011] Figure 2 It is a schematic diagram of the side structure of an embodiment.

[0012] Figure 3 It is a schematic diagram of the internal structure of the oil filter unit. DETAILED DESCRIPTION

[0013] The present invention is further described below with reference to the accompanying drawings and embodiments:

[0014] A filter plate cleaning tank for a filter in the production of ultra-high molecular weight polyethylene fibers, comprising a tank body 1, a hanging bracket 2, a circulation pump 3, an oil filter unit 4 and six symmetrically arranged ultrasonic vibration cleaners 5, wherein the upper end of the tank body has an open notch, the hanging bracket is fixedly arranged in the tank body and is located below the notch; the ultrasonic vibration cleaner 5 is arranged on the inner side of the vertical side wall of the tank body; water is injected into the tank body, a first circulation hole and a second circulation hole located below the first circulation hole are opened in the upper side wall of the tank body, the water inlet of the circulation pump is connected to the first circulation hole through a pipeline, the water outlet of the circulation pump is connected to the second circulation hole through an oil removal pipeline, and the oil filter unit 4 is arranged in the part of the oil removal pipeline between the circulation pump and the first circulation hole.

[0015] Combination Figure 1 As shown, taking the 6m³ filter used in the white oil decolorization process as an example, there are 17 filter plates 6 in the filter, and the weight of the filter plates ranges from 10kg to 50kg. After the filter has been running for about 10 days, the filtration resistance increases, and the filter plates need to be cleaned. After filling the cleaning tank with cleaning water, use a crane to lift the filter plates, and hang the filter plates to be cleaned in the cleaning tank one by one. Then start the ultrasonic cleaning vibrator to perform ultrasonic vibration cleaning to strengthen the cleaning process. The fine concave soil particles on the filter plate fall off to the bottom of the water tank, and the adhered oily impurities are separated from the filter plate and float on the upper layer of the cleaning water. The height of the oily impurities is aligned with the first circulation hole. After the filter plate is cleaned, turn on the circulation pump to extract the oily impurities floating on the upper layer of the cleaning water, so that they are removed in the oil filter unit 4, so that the water surface is clean, and then take out the filter plate, dry it, blow it dry, and set it aside. The entire cleaning process is easy to operate, with low labor and high cleaning efficiency.

[0016] Specifically, the oil filter unit 4 includes a cylinder 41, two mesh plates 42 longitudinally distributed in the cylinder, and an oil-absorbing felt 43 located between the two mesh plates. Oily impurities enter the oil removal pipeline from the first circulation hole, and when passing through the oil filter unit, the oily impurities are absorbed by the oil-absorbing felt.

[0017] Since the water levels are different when filter plates of different numbers and specifications enter the water tank body 1, in order to allow the oil removal pipeline to absorb oily impurities on the water surface, a buoy 7 is connected to the end of the oil removal pipeline passing through the first circulation hole.

[0018] Combination Figure 1As shown in the figure, taking the 6m³ filter used in the white oil decolorization process as an example, there are 17 filter plates 6 in the filter, and the weight of the filter plates ranges from 10kg to 50kg. After the filter has been running for about 10 days, the filtration resistance increases and the filter plates need to be cleaned. After filling the cleaning tank with cleaning water, use a crane to lift the filter plates and hang the filter plates to be cleaned in the cleaning tank one by one. Then start the ultrasonic cleaning vibrator to perform ultrasonic vibration cleaning to strengthen the cleaning process. The fine concave soil particles on the filter plate fall off to the bottom of the water tank, and the adhered oily impurities fall off the filter plate and float on the upper layer of the cleaning water. After the filter plate is cleaned, remove the oily impurities floating on the upper layer of the cleaning water, then take out the filter plate, dry it, blow it dry, and set it aside. The entire cleaning process is easy to operate, with low labor and high cleaning efficiency.

Claims

1. A filter plate cleaning tank for a filter in the production of ultra-high molecular weight polyethylene fibers, characterized in that It includes a water tank body, a hanging bracket, a circulation pump, an oil filter unit and an ultrasonic vibration cleaner, wherein the upper end of the water tank body has an open notch, the hanging bracket is fixedly arranged in the water tank body and is located below the notch; the ultrasonic vibration cleaner is arranged on the inner side of the vertical side wall of the water tank body; water is filled in the water tank body, and the upper side wall of the water tank body is provided with a first circulation hole and a second circulation hole located below the first circulation hole, the water inlet of the circulation pump is connected to the first circulation hole through a pipeline, the water outlet of the circulation pump is connected to the second circulation hole through an oil removal pipeline, and the oil filter unit is arranged in the part of the oil removal pipeline between the circulation pump and the first circulation hole.

2. The filter plate cleaning tank for filter press in the production of ultra-high molecular weight polyethylene fiber according to claim 1, characterized in that: The oil filter unit comprises a cylinder, two mesh plates longitudinally distributed in the cylinder, and an oil-absorbing felt located between the two mesh plates.

3. The filter plate cleaning tank for filter press in the production of ultra-high molecular weight polyethylene fiber according to claim 1, characterized in that: The end of the oil removal pipeline passing through the first circulation hole is connected with a buoy.

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