阅读说明：本技术 一种化工管道用的自动排屑过滤网 (Automatic chip removal filter screen for chemical pipeline ) 是由 刘秋芳 于 2020-11-24 设计创作，主要内容包括：本发明涉及化工技术领域,且公开了种化工管道用的自动排屑过滤网,包括壳体,所述壳体的内壁固定连接有电磁铁,所述壳体的内壁且靠近电磁铁的内壁固定连接有弹簧一,所述弹簧一的内侧固定连接有滤网,所述滤网的内壁固定连接有磁板,所述壳体的内壁活动连接有齿环,所述壳体的内壁且靠近齿环的外侧弹性连接有连杆,所述连杆的外侧固定连接有齿块,所述连杆的内侧固定连接有挡板。该化工管道用的自动排屑过滤网,通过压敏电阻的原理实现了长时间的排屑导致沉淀物堆积在滤网上,防止化工管道的堵塞,提高化工管道内溶液的流速,降低化工管道的事故发生率,提高工作效率,进而实现自动化对沉淀物的清理,省时省力。(The invention relates to the technical field of chemical industry, and discloses an automatic chip removal filter screen for a chemical pipeline, which comprises a shell, wherein an electromagnet is fixedly connected to the inner wall of the shell, a first spring is fixedly connected to the inner wall of the shell, which is close to the electromagnet, a filter screen is fixedly connected to the inner side of the first spring, a magnetic plate is fixedly connected to the inner wall of the filter screen, a toothed ring is movably connected to the inner wall of the shell, a connecting rod is elastically connected to the outer side of the inner wall of the shell, which is close to the toothed ring, a toothed block is fixedly connected to the outer side of the connecting rod, and a baffle is. This automatic chip removal filter screen that chemical pipeline used has realized that long-time chip removal leads to the precipitate to pile up on the filter screen through piezo-resistor's principle, prevents chemical pipeline's jam, improves the velocity of flow of solution in the chemical pipeline, reduces chemical pipeline's accident rate, improves work efficiency, and then realizes automatic clearance to the precipitate, labour saving and time saving.)

1. The utility model provides an automatic chip removal filter screen that chemical pipeline was used, includes casing (1), its characterized in that: the inner wall of the shell (1) is fixedly connected with an electromagnet (2), the inner wall of the shell (1) close to the electromagnet (2) is fixedly connected with a first spring (3), the inner side of the first spring (3) is fixedly connected with a filter screen (4), the inner wall of the filter screen (4) is fixedly connected with a magnetic plate (5), the inner wall of the shell (1) is movably connected with a toothed ring (6), the outer side of the inner wall of the shell (1) close to the toothed ring (6) is elastically connected with a connecting rod (7), the outer side of the connecting rod (7) is fixedly connected with a toothed block (8), and the inner side of the connecting rod (7) is fixedly connected with a baffle (9);

the utility model discloses a filter screen, including casing (1), the inner wall of casing (1) and the bottom fixedly connected with negative plate (13) that is close to filter screen (4), the inner wall of casing (1) and the inboard fixedly connected with positive plate (14) that is close to negative plate (13), the inner wall fixedly connected with spring two (17) of casing (1), the bottom fixedly connected with piston (16) of spring two (17), the top fixedly connected with depression bar (12) of piston (16), the top fixedly connected with backup pad (10) of depression bar (12), the bottom fixedly connected with dielectric plate (15) of piston (16).

2. The automatic chip removal filter screen for the chemical pipeline according to claim 1, characterized in that: the magnetism of the opposite surfaces of the electromagnet (2) and the magnetic plate (5) is opposite, and the electromagnet (2) is electrically connected with the piezoresistor (11).

3. The automatic chip removal filter screen for the chemical pipeline according to claim 1, characterized in that: the connecting rod (7) is made of stainless steel, the tooth block (8) is of a cone structure, and the toothed ring (6) is meshed with the tooth block (8).

4. The automatic chip removal filter screen for the chemical pipeline according to claim 1, characterized in that: the structure of baffle (9) is the cuboid structure, the structure of backup pad (10) is the cuboid structure, the material of backup pad (10) is the rubber material.

5. The automatic chip removal filter screen for the chemical pipeline according to claim 1, characterized in that: the negative plate (13) and the positive plate (14) are the same in shape and size, and the negative plate (13) and the positive plate (14) are located at the same height.

6. The automatic chip removal filter screen for the chemical pipeline according to claim 1, characterized in that: the first spring (3) and the second spring (17) are made of the same material, and the elastic coefficient of the first spring (3) is larger than that of the second spring (17).

7. The automatic chip removal filter screen for the chemical pipeline according to claim 1, characterized in that: the structure of the pressure lever (12) is a cylinder structure, and the piston (16) is made of rubber.

8. The automatic chip removal filter screen for the chemical pipeline according to claim 1, characterized in that: the dielectric plate (15) is located between the negative plate (13) and the positive plate (14), the length of the dielectric plate (15) is smaller than that of the negative plate (13), and the negative plate (13) is electrically connected with the piezoresistor (11).

Technical Field

The invention relates to the technical field of chemical industry, in particular to an automatic chip removal filter screen for a chemical pipeline.

Background

Chemical pipeline main material is ultra high molecular weight polyethylene, and the comprehensive properties is superior, and is stand wear and tear, low temperature resistant, corrosion-resistant, self-lubricating, shock resistance is the highest value in all plastics, and impurity, precipitate in the chemical pipeline are more, and current chemical pipeline adopts the form that sets up the filter screen at the export to detach it more, and long-time chip removal can cause the accumulational precipitate of filter screen more, arouses the jam, needs manual cleaning.

Solution that flows through can be accompanied with precipitate and impurity in the chemical pipeline that has now, and long-time chip removal can cause the precipitate to pile up on the filter screen, can cause the jam of chemical pipeline, has reduced the velocity of flow of solution in the chemical pipeline, can increase the accident rate of chemical pipeline, reduces work efficiency, and then needs artifical periodic clearance to the chemical pipeline, wastes time and energy.

Therefore, we propose an automatic chip removal filter screen for chemical pipelines to solve the above problems.

Disclosure of Invention

Technical scheme (I)

In order to prevent the sediment from being accumulated on the filter screen due to long-time chip removal, prevent the blockage of a chemical pipeline, improve the flow rate of a solution in the chemical pipeline, reduce the accident rate of the chemical pipeline, improve the working efficiency and further realize the purposes of automatically cleaning the sediment and saving time and labor, the invention provides the following technical scheme: an automatic chip removal filter screen for a chemical pipeline comprises a shell, wherein an electromagnet is fixedly connected to the inner wall of the shell, a first spring is fixedly connected to the inner wall of the shell, which is close to the electromagnet, the inner side of the first spring is fixedly connected with a filter screen, a magnetic plate is fixedly connected to the inner wall of the filter screen, a toothed ring is movably connected to the inner wall of the shell, a connecting rod is elastically connected to the outer side of the inner wall of the shell, which is close to the toothed ring, a toothed block is fixedly connected to the outer side of the connecting rod, and a baffle is fixedly connected to the inner side;

the inner wall of casing and the bottom fixedly connected with negative plate that is close to the filter screen, the inner wall of casing and the inboard fixedly connected with positive plate that is close to the negative plate, the inner wall fixedly connected with spring two of casing, the bottom fixedly connected with piston of spring two, the top fixedly connected with depression bar of piston, the top fixedly connected with backup pad of depression bar, the bottom fixedly connected with dielectric plate of piston.

Preferably, the opposite surfaces of the electromagnet and the magnetic plate are opposite in magnetism, the electromagnet is electrically connected with the piezoresistor, and the electromagnet and the magnetic plate play a role in mutual attraction.

Preferably, the connecting rod is made of stainless steel, the tooth block is of a cone structure, the tooth ring is meshed with the tooth block, and the connecting rod plays a role in transmission.

Preferably, the structure of baffle is the cuboid structure, the structure of backup pad is the cuboid structure, the material of backup pad is the rubber material, and the backup pad has played the effect of support.

Preferably, the negative plate and the positive plate are the same in shape and size, are positioned at the same height, and have the function of providing voltage.

Preferably, the first spring and the second spring are made of the same material, the elastic coefficient of the first spring is larger than that of the second spring, and the first spring plays a role in providing restoring force.

Preferably, the structure of depression bar is the cylinder structure, the material of piston is the rubber material, and the depression bar has played driven effect.

Preferably, the dielectric plate is located between the negative plate and the positive plate, the length of the dielectric plate is smaller than that of the negative plate, the negative plate is electrically connected with the piezoresistor, and the dielectric plate plays a role in changing circuit voltage.

(II) advantageous effects

Compared with the prior art, the invention provides an automatic chip removal filter screen for a chemical pipeline, which has the following beneficial effects:

1. this automatic chip removal filter screen that chemical pipeline used has realized that long-time chip removal leads to the precipitate to pile up on the filter screen through piezo-resistor's principle, prevents chemical pipeline's jam, improves the velocity of flow of solution in the chemical pipeline, reduces chemical pipeline's accident rate, improves work efficiency, and then realizes automatic clearance to the precipitate, labour saving and time saving.

2. This automatic chip removal filter screen that chemical pipeline used, through the change of positive plate and negative plate relative area, and then change the voltage of piezo-resistor place circuit, based on the absorbent principle of electromagnetism, the opposite polarity magnetic pole inter attraction has realized receiving and releasing of filter screen and the removal of dog, when accomplishing the filter screen clearance, has avoided the influence to the liquid flow rate, has improved work efficiency.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged partial view of portion A of FIG. 1;

FIG. 3 is a schematic view of the housing structure of the present invention;

FIG. 4 is an enlarged partial view of the portion B in FIG. 3 according to the present invention.

In the figure: 1. a housing; 2. an electromagnet; 3. a first spring; 4. filtering with a screen; 5. a magnetic plate; 6. a toothed ring; 7. a connecting rod; 8. a tooth block; 9. a baffle plate; 10. a support plate; 11. a voltage dependent resistor; 12. a pressure lever; 13. a negative plate; 14. a positive plate; 15. a dielectric plate; 16. a piston; 17. and a second spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, an automatic chip removal filter screen for chemical pipelines comprises a housing 1, an electromagnet 2 is fixedly connected to the inner wall of the housing 1, the opposite faces of the electromagnet 2 and a magnetic plate 5 are opposite in magnetism, the electromagnet 2 is electrically connected with a piezoresistor 11, the electromagnet 2 and the magnetic plate 5 play a role of mutual attraction, a spring 3 is fixedly connected to the inner wall of the housing 1 and the inner wall close to the electromagnet 2, a filter screen 4 is fixedly connected to the inner side of the spring 3, the magnetic plate 5 is fixedly connected to the inner wall of the filter screen 4, a toothed ring 6 is movably connected to the inner wall of the housing 1, a connecting rod 7 is elastically connected to the inner wall of the housing 1 and the outer side close to the toothed ring 6, the connecting rod 7 is made of stainless steel, the toothed block 8 is in a cone structure, the toothed ring 6 is engaged with the toothed block 8, the connecting rod 7 plays a role of transmission, the toothed, the inner side of the connecting rod 7 is fixedly connected with a baffle 9, the baffle 9 is of a cuboid structure, the support plate 10 is made of rubber, and the support plate 10 plays a supporting role;

the inner wall of the shell 1 and the bottom of the shell close to the filter screen 4 are fixedly connected with a negative plate 13, the shapes and sizes of the negative plate 13 and the positive plate 14 are the same, the negative plate 13 and the positive plate 14 are positioned at the same height, the negative plate 13 and the positive plate 14 play a role in providing voltage, the inner wall of the shell 1 and the inner side of the negative plate 13 are fixedly connected with the positive plate 14, the inner wall of the shell 1 is fixedly connected with a spring II 17, the spring I3 and the spring II 17 are made of the same material, the elastic coefficient of the spring I3 is greater than that of the spring II 17, the spring plays a role in providing restoring force, the bottom of the spring II 17 is fixedly connected with a piston 16, the top of the piston 16 is fixedly connected with a pressure lever 12, the pressure lever 12 is of a cylindrical structure, the piston 16 is made of rubber, the, the bottom of the piston 16 is fixedly connected with a dielectric plate 15, the dielectric plate 15 is positioned between the negative plate 13 and the positive plate 14, the length of the dielectric plate 15 is smaller than that of the negative plate 13, the negative plate 13 is electrically connected with the piezoresistor 11, and the dielectric plate 15 plays a role in changing circuit voltage.

The working principle is as follows: when the filter screen 4 filters, when the filtered impurities are more and more, the mass of the filter screen 4 is more and more large, at this time, the support plate 10 is extruded by the filter screen 4, and then the compression rod 12 is extruded, so that the second spring 17 is pulled up, and the piston 16 drives the dielectric plate 15 to move downwards, so that the relative area between the negative plate 13 and the positive plate 14 is reduced, and further the voltage generated in the circuit is reduced;

because the negative plate 13 is electrically connected with the piezoresistor 11, the voltage in the circuit is the working voltage of the piezoresistor 11, and at this time, current flows through the circuit, because the piezoresistor 11 is electrically connected with the electromagnet 2, the electromagnet 2 has magnetism, and because the magnetism of the opposite surfaces of the electromagnet 2 and the magnetic plate 5 is opposite, the electromagnet 2 attracts the magnetic plate 5, and then the filter screen 4 is driven to move outwards, so that the spring one 3 is compressed;

meanwhile, the filter screen 4 drives the toothed ring 6 to rotate, and the toothed ring 6 is meshed with the toothed block 8, so that the connecting rod 7 is driven by the rotation of the toothed ring 6 to move inwards, and the baffle 9 is further driven to move inwards to remove impurities accumulated on the filter screen 4;

above-mentioned process is as shown in fig. 3, realized that long-time chip removal leads to the precipitate to pile up on filter screen 4 based on piezo-resistor 11's principle, prevents the jam of chemical pipeline, improves the velocity of flow of solution in the chemical pipeline, reduces the accident rate of chemical pipeline, improves work efficiency, and then realizes automatic clearance, labour saving and time saving to the precipitate.

After the impurities are removed, the pressure rod 12 returns to the original position under the action of the second spring 17, and then the support plate 10 is pushed to move upwards, so that the piston 16 drives the dielectric plate 15 to move upwards, the area of the opposite surface of the negative plate 13 and the positive plate 14 is increased, the voltage in the circuit is increased and is greater than the maximum working voltage of the piezoresistor 11, the circuit where the piezoresistor 11 is located is in an open circuit state, at the moment, the electromagnet 2 loses the attraction force on the magnetic plate 5, and at the moment, the filter screen 4 is popped up under the action of the first spring 3;

meanwhile, the movement of the filter screen 4 drives the gear ring 6 to rotate again, so that the connecting rod 7 moves outwards, and further drives the baffle 9 to move outwards, and the influence of the baffle 9 on chemical solution is avoided;

the above-mentioned process is as shown in fig. 1, based on the change of positive plate 14 and negative plate 13 relative area, and then changes the voltage of the circuit that piezo-resistor 11 is located, based on the principle of electromagnetic absorption, opposite poles inter attraction has realized receiving and releasing of filter screen 4 and the removal of baffle 9, when accomplishing the clearance to filter screen 4, has avoided the influence to the liquid velocity of flow, has improved work efficiency.

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.