CN217449208U

CN217449208U - Filtering device of online cleaning equipment for aluminum plate belt

Info

Publication number: CN217449208U
Application number: CN202221621298.4U
Authority: CN
Inventors: 张炜; 雷雅鸽; 纪欢欢
Original assignee: Henan Zhongfu High Precision Aluminum Material Co ltd
Current assignee: Henan Zhongfu High Precision Aluminum Material Co ltd
Priority date: 2022-06-27
Filing date: 2022-06-27
Publication date: 2022-09-20
Anticipated expiration: 2032-06-27

Abstract

A filtering device of an aluminum plate belt online cleaning device comprises a filtering box, wherein a belt-shaped filtering net is arranged in the filtering box, and two sides of the filtering net are connected with a chain in a chain wheel transmission pair; when the chain wheel transmission pair moves, the filter screen moves along with the chain, and impurities on the filter screen are conveyed to the outside of the filter box; and a spray head and a brush roller are arranged outside the filter box and are used for removing impurities from the filter screen. This filter equipment can in time discharge the rose box with the impurity that falls on the filter screen, makes the filter screen avoid blockking up to reduce the time of impurity and washing liquid contact, further prolonged the generating time of incrustation scale. In addition, the filtering device can be intermittently opened, so that impurities can be timely cleaned, and invalid loss to moving parts is avoided.

Description

Filtering device of online cleaning equipment for aluminum plate belt

Technical Field

The utility model belongs to the technical field of the aluminum processing and specifically relates to a filter equipment of online cleaning equipment in aluminum plate area is related to.

Background

In the processing of aluminum plate strips, an alkaline cleaning process is often used to clean the aluminum plate strips. The alkaline cleaning solution is sprayed on the surface of the aluminum plate strip, so that rolling oil and impurities attached to the surface of the aluminum plate strip can be removed, and the surface quality of the aluminum plate strip is improved. The impurities are mainly alumina powder and also contain compounds such as calcium, magnesium and the like. The main component of the cleaning solution is alkaline degreasing agent. In order to improve the cleaning effect, a heat exchanger is generally used for heating the cleaning solution, and the temperature of the heated cleaning solution is 50-70 ℃.

The cleaning solution needs to be recycled, and the conventional aluminum plate belt cleaning equipment usually uses a filter screen to filter the recovered cleaning solution, but the filter screen is blocked by impurities along with the passage of time. At this time, the impurities are soaked in the cleaning liquid for a long time, and alumina, calcium, magnesium and other compounds in the impurities react with the alkaline degreasing agent and deposit in the form of ions to form scale. The scale can block the heat exchanger, so that the heat exchange efficiency is reduced. Scale can also clog the spray lines, causing poor cleaning. In addition, the scale particles sprayed at high speed easily damage the surface of the aluminum plate strip.

In order to solve the above problems, a method of adding deionized water to the cleaning solution and diluting the concentration of the calcium, magnesium, etc. plasma by means of overflow may be adopted. The aluminum strip has the property of continuous production, and the method can only prolong the scale generation time, but the scale generation time is still lower than the production cycle of the aluminum strip at present. Therefore, measures are needed to be taken to timely separate the impurities from the cleaning solution and reduce the contact time of the impurities and the cleaning solution, so that the generation time of the scale is further prolonged, and the generation time of the scale exceeds the production cycle of the aluminum plate strip. And after the production period is finished, bottom cutting and cleaning are carried out on the water scale.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough in the background art, the utility model discloses an online cleaning equipment's of aluminum plate area filter equipment adopts following technical scheme:

a filtering device of an aluminum plate belt online cleaning device comprises a filtering box, wherein a belt-shaped filtering net is arranged in the filtering box, and two sides of the filtering net are connected with a chain in a chain wheel transmission pair; when the chain wheel transmission pair moves, the filter screen moves along with the chain, and impurities on the filter screen are conveyed to the outside of the filter box; and a spray head and a brush roller are arranged outside the filter box and are used for removing impurities from the filter screen.

The technical scheme is further improved, and the filter screen is obliquely arranged; and one of the two chain wheels in the chain wheel transmission pair is positioned in the filter box, the other chain wheel is positioned outside the filter box, and the installation height of the chain wheel positioned outside the filter box is higher than that of the chain wheel positioned in the filter box.

The technical scheme is further improved, the filter box is provided with a liquid inlet, and the liquid inlet is positioned above the filter screen; an elastic water baffle is arranged on one side of the liquid inlet, which is close to the chain wheel in the filter box.

Further improve technical scheme, the sprocket that is located the rose box outside is connected with pneumatic motor through first belt drive is vice, is connected with the brush roll through second belt drive is vice.

Further improve technical scheme, the shower head sprays high pressure water to the outside of filter screen from the inboard of filter screen.

According to the technical scheme, the cleaning equipment comprises a cleaning tank, a heat exchanger, a water pump and a pipeline, wherein the water outlet of the water pump is divided into two paths, one path is connected with the heat exchanger, and the other path is connected with a spray header through an electromagnetic valve; an electric contact pressure gauge is arranged on a water outlet pipeline of the water pump and is used for controlling the opening of the electromagnetic valve.

Owing to adopt above-mentioned technical scheme, compare the background art, the utility model discloses following beneficial effect has:

this filter equipment can in time discharge the rose box with the impurity that falls on the filter screen, makes the filter screen avoid blockking up to reduce the time of impurity and washing liquid contact, further prolonged the formation time of incrustation scale.

In addition, the filtering device can be intermittently opened, so that impurities can be cleaned in time, and invalid loss of moving parts is avoided.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic cross-sectional view of fig. 1.

Fig. 3 is a schematic structural diagram of the cleaning device.

In the figure: 1. a filter box; 2. an impurity collecting box; 3. a filter screen; 4. a chain wheel transmission pair; 41. a drive sprocket; 42. a driven sprocket; 43. a chain; 5. a pneumatic motor; 6. a first belt transmission pair; 7. a second belt transmission pair; 8. a brush roll; 9. a shower head; 10. an elastic water baffle; 11. a cleaning tank; 12. a heat exchanger; 13. a water pump; 14. an electric contact pressure gauge; 15. an electromagnetic valve.

Detailed Description

Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention. It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "front", "rear", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. It should also be noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly and include, for example, fixed or removable connections or integral connections; can be mechanically or electrically connected; either directly or indirectly through intervening media, or through both elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

A filtering device of an aluminum strip online cleaning device is shown in figure 1 and comprises a filtering box 1, wherein a foreign matter collecting box 2 is arranged on the left side of the filtering box 1. The filter tank 1 is provided with a square liquid inlet, and the recovered cleaning liquid enters the filter tank 1 from the liquid inlet.

As shown in fig. 1 to 2, a belt-shaped filter net 3 is provided in the filter box 1, and in this embodiment, the filter net 3 is woven from stainless steel wires. The filter screen 3 is obliquely arranged, the left end of the filter screen obliquely penetrates through the filter box 1 and is out, and the right end of the filter screen is positioned in the filter box 1. Two sides of the filter screen 3 are respectively fixedly connected with the chains 43 in the two groups of chain wheel transmission pairs 4. Because the stainless steel filter screen 3 has flexibility, when the sprocket drive pair 4 moves, the filter screen 3 moves along with the chain 43, like a conveying belt. In order to prevent the filter net 3 from excessively drooping in the lateral direction, a plurality of wales (not shown) may be provided between the pair of chains 43 so that the filter net 3 can be held upward. The liquid inlet is arranged above the filter screen 3, and an elastic water baffle 10 is arranged on the right side of the liquid inlet in order to prevent cleaning liquid from entering the filter tank 1 from the right side of the filter screen 3. In this embodiment, the elastic water baffle 10 is a rubber plate, and the rubber plate retains the cleaning solution containing impurities in the effective filtering area of the filter screen 3.

The driving sprocket 41 in the sprocket gear pair 4 is positioned outside the filter box 1, the driven sprocket 42 is positioned in the filter box 1, and the installation height of the driving sprocket 41 is higher than that of the driven sprocket 42. The pneumatic motor 5 is connected with the driving sprocket 41 through the first belt transmission pair 6, and is used for driving the driving sprocket 41 to rotate. At the same time, the drive sprocket 41 is connected to the brush roller 8 via the second belt drive 7 for driving the brush roller 8 in rotation. As can be seen from fig. 1-2, the rotation direction of the brush roller 8 is opposite to the movement direction of the filter screen 3, and the second belt transmission pair 7 is an acceleration transmission, so that the brush roller 8 has a high angular velocity and can sweep away the impurities attached to the filter screen 3 from the filter screen 3.

The spray heads 9 are positioned at the inner side of the filter screen 3 and close to one end of the driving chain wheel 41, and a plurality of spray heads 9 are arranged and distributed along the transverse direction of the filter screen 3. The shower head 9 can spray high-pressure water from the inside of the filter net 3 to the outside of the filter net 3 to flush impurities attached to the filter net 3 off the filter net 3. The impurities swept or washed off from the filter screen 3 enter the impurity collecting box 2. Under the combined action of the brush roll 8 and the spray head 9, impurities can be thoroughly removed from the filter screen 3.

This filter equipment can open always at cleaning equipment working period, in time clears up the impurity that falls on filter screen 3. However, this increases the losses of the filter device and is also not conducive to energy saving. Therefore, the filter device can be opened intermittently during the operation of the cleaning equipment.

As shown in fig. 3, the cleaning apparatus includes a cleaning tank 11, a filter tank 1, a heat exchanger 12, a water pump 13, and a pipe, and the cleaning tank 11 has a spray beam located above the aluminum plate strip for spraying a cleaning solution to the aluminum plate strip. The recovered cleaning liquid enters the filter tank 1 for filtration, is pressurized by the water pump 13 and heated by the heat exchanger 12, and then enters the cleaning tank 11 again. When the filtering device needs to be intermittently opened, the water outlet of the water pump 13 is divided into two paths, one path is connected with the heat exchanger 12, and the other path is connected with the spray header 9 through the electromagnetic valve 15. An electric contact pressure gauge 14 is arranged on a water outlet pipeline of the water pump 13, and the electric contact pressure gauge 14 is used for controlling the opening of the electromagnetic valve 15. When the filter screen 3 is blocked due to excessive impurities, the water level in the filter box 1 is reduced, the pressure at the water outlet end of the water pump 13 is also reduced correspondingly at the moment, the switch K is closed by the electric contact pressure gauge 14, the electromagnetic valve 15 is opened, and the water pump 13 provides high-pressure water for the spray header 9 at the moment; at the same time, the air motor 5 starts to operate, and the filter net 3 is moved and the brush roller 8 is rotated. When the filter screen 3 is cleaned up, the water level in the filter box 1 is recovered, the pressure at the water outlet end of the water pump 13 is also recovered to be normal at the moment, the switch K is disconnected by the electric contact pressure gauge 14, the electromagnetic valve 15 closes the spray header 9, and the pneumatic motor 5 stops working. Obviously, such a working mode can clean impurities in time without causing ineffective loss to the moving parts.

The details of which are not described in the prior art. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an aluminum plate area online cleaning equipment's filter equipment which characterized in that: comprises a filter box, wherein a banded filter screen is arranged in the filter box, and two sides of the filter screen are connected with a chain in a chain wheel transmission pair; when the chain wheel transmission pair moves, the filter screen moves along with the chain to convey impurities on the filter screen to the outside of the filter box; and a spray head and a brush roller are arranged outside the filter box and are used for removing impurities from the filter screen.

2. The filter device of the aluminum strip online cleaning equipment as set forth in claim 1, wherein: the filter screen is obliquely arranged; and one of the two chain wheels in the chain wheel transmission pair is positioned in the filter box, the other chain wheel is positioned outside the filter box, and the installation height of the chain wheel positioned outside the filter box is higher than that of the chain wheel positioned in the filter box.

3. The filter device of the aluminum strip online cleaning equipment as set forth in claim 2, wherein: the filter box is provided with a liquid inlet which is positioned above the filter screen; an elastic water baffle is arranged on one side of the liquid inlet, which is close to the chain wheel in the filter box.

4. A filter unit for an on-line cleaning apparatus for aluminum strips as claimed in claim 2 or 3, wherein: the chain wheel positioned outside the filter box is connected with the pneumatic motor through a first belt transmission pair and connected with the brush roller through a second belt transmission pair.

5. The filter device for an on-line cleaning apparatus for aluminum sheet strips as set forth in claim 1, wherein: the spray header sprays high-pressure water from the inner side of the filter screen to the outer side of the filter screen.

6. The filter device of the aluminum strip online cleaning equipment as set forth in claim 1, wherein: the cleaning equipment comprises a cleaning tank, a heat exchanger, a water pump and a pipeline, wherein the water outlet of the water pump is divided into two paths, one path is connected with the heat exchanger, and the other path is connected with the spray header through an electromagnetic valve; an electric contact pressure gauge is arranged on a water outlet pipeline of the water pump and is used for controlling the opening of the electromagnetic valve.