CN209985709U - Coating device - Google Patents
Coating device Download PDFInfo
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- CN209985709U CN209985709U CN201920503592.7U CN201920503592U CN209985709U CN 209985709 U CN209985709 U CN 209985709U CN 201920503592 U CN201920503592 U CN 201920503592U CN 209985709 U CN209985709 U CN 209985709U
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- scraper
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Abstract
The utility model relates to a surface coating device of filtering material, including scraper, slider, leading truck, cylinder and scraper blade, wherein the slider is installed on the central spout of leading truck, and the slider can slide along the leading truck vertical direction and can rotate with slider and leading truck tie point as the center, the scraper is platelike, and the scraper top is connected on the slider through the scraper rack, the lower extreme edge of scraper is the cutting part, and the cutting part of scraper blade and the top bearing extension face of scraper blade are relative; the cylinder is arranged on the guide frame in an inverted mode, the extending end of the cylinder is connected with the sliding block, and the distance between the edge of the scraper and the scraper can be adjusted through the sliding block. The scraper blade is platelike, and there is the lead screw below, the scraper blade sets up in the guide way, and the one end of lead screw has the handle wheel, the lead screw can drive the scraper blade and translate in the guide way to the vertical corresponding position of adjustment scraper blade and scraper blade portion. The thickness of the coating material on the surface of the filter material can be controlled by adjusting the vertical distance, the horizontal distance and the inclination angle between the scraper and the scraper.
Description
Technical Field
The utility model relates to a surface coating device of filtering material, especially adopt polytetrafluoroethylene to carry out the device that coats.
Background
In the production process of coal-fired boilers, steel, smelting, cement and other industries, a large amount of smoke and dust are generated, so that the atmospheric pollution is caused. The bag type dust collector is one of the main means for reducing pollution emission, and the pore size of the filter material and the air permeability of the filter material of the bag type dust collector are one of the important factors for the emission of smoke and dust to reach the emission standard.
The existing filter materials comprise conventional filter materials and PTFE membrane filter materials. The conventional filter material has large pores and large air permeability, the air permeability can reach 400-600mm/s, and can meet the requirement of 30-50mg/Nm in general3The dust emission still hardly reaches the emission standard of the national environmental protection requirement; the surface of the PTFE membrane filter material is coated with a layer of microporous membrane, but the air permeability can only reach 20-60 mm/s. And the running resistance of the dust collecting system is large due to small air permeability.
Therefore, it is an urgent need to design a coating device for a filter material that can improve the filtering effect and ensure air permeability.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a coating device through vertical distance, horizontal distance and the inclination of adjusting between scraper and the scraper blade, controls coating material thickness to when improving filtering material's filter effect, can also guarantee filtering material's gas permeability.
In order to achieve the above object, the utility model adopts the following technical scheme:
a coating device comprises a scraper, a sliding block, a guide frame, an air cylinder and a scraper, wherein the sliding block is arranged on a sliding groove in the center of the guide frame, the sliding block can vertically slide along the guide frame and rotate by taking a connecting point of the sliding block and the guide frame as a center, the scraper is plate-shaped, the top end of the scraper is connected to the sliding block through a scraper frame, the edge of the lower end of the scraper is a blade part, and the blade part of the scraper is opposite to a top bearing extension surface of the scraper;
the cylinder is arranged on the guide frame in an inverted mode, the extending end of the cylinder is connected with the sliding block, and the distance between the edge of the scraper and the scraper can be adjusted through the sliding block.
Preferably, the coating device further comprises a scraper frame, wherein U-shaped holes are formed in the upper portion of the scraper, the scraper is fixed on the scraper frame through the U-shaped holes, and the number of the U-shaped holes is more than 5; there is circular trompil scraper frame below to fix the scraper on scraper frame through the round hole, the round hole is unanimous with U type hole position, and quantity is the same.
Preferably, the scraper is plate-shaped, a screw rod is arranged below the scraper, the scraper is arranged in the guide groove, one end of the screw rod is provided with a handle wheel, and the screw rod can drive the scraper to translate in the guide groove so as to adjust the vertical corresponding position of the scraper and the edge of the scraper.
Preferably, the scraper is a blade with an inclined angle of 3mm, the included angle of two end faces of the blade is an arc-shaped R angle, and the surface of the scraper is provided with a chromium coating.
Preferably, a longitudinal vertical reinforcing strip is arranged below the scraper, the positive front angle edge of the scraper is 15mm, the angle of the arc R is an angle, and the surface of the scraper is provided with a chromium coating.
Preferably, the left and the right of the sliding block are both provided with a limiting groove for being arranged in a central sliding groove of the guide frame; the square hole is used for connecting the cylinder extension end on the slider, and the place ahead trompil is used for connecting the scraper frame.
Preferably, two sides of the scraper are respectively provided with a group of baffles, the distance between the two groups of baffles is adjustable, and the baffles are used for preventing coating materials from overflowing.
Use the utility model discloses a beneficial effect is:
through adjusting vertical distance, horizontal distance and inclination between scraper and the scraper blade, can control filtering material surface coating material (like polytetrafluoroethylene) thickness, the utility model discloses the filtering material of production can reach 15mg/Nm at trades dust emissions such as coal fired boiler, thermal power, steel and iron, cement3The net content of the filtered dust of the blast furnace gas in the steel industry can reach 5mg/Nm3The air permeability can be controlled between 90 mm/s and 160mm/s, is reduced by more than 3 times compared with the air permeability of a conventional filter material and is 2.5 times larger than the air permeability of a PTFE (polytetrafluoroethylene) membrane filter material, and the running resistance of a dust collector system cannot be increased.
Drawings
Fig. 1 is a schematic view of the overall structure of the coating apparatus of the present invention.
Fig. 2 is a top view of the coating apparatus of the present invention.
Fig. 3 is a schematic view of the scraper and the scraper holder of the present invention.
Fig. 4 is another schematic angle diagram of the scraper and scraper holder of the present invention.
FIG. 5 is a schematic view of the slider of the present invention
The reference numerals include:
1-scraper, 2-slide block, 3-guide frame, 4-air cylinder, 5-scraper, 6-scraper frame, 7-lead screw, 8-handle wheel, 9-baffle, 10-nut, 11-square tube, 12-shaft head, 13-steel plate, 14-variable frequency motor, 15-chain, 16-cloth feeding roller, 17-longitudinal vertical reinforcing belt, 18-baffle slide rail, 19-limiting groove, 20-upper opening hole and 21-front opening hole.
Detailed Description
In order to make the purpose, technical solution and advantages of the present technical solution more clear, the present technical solution is further described in detail below with reference to specific embodiments. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present teachings.
As shown in fig. 1-5, the present embodiment provides a coating apparatus, particularly an apparatus for coating with polytetrafluoroethylene. A coating device comprises a scraper 1, a sliding block 2, a guide frame 3, a cylinder 4 and a scraper 5, wherein the sliding block 2 is arranged on a central sliding chute of the guide frame 3, the sliding block 2 can vertically slide along the guide frame and can rotate by taking a connecting point of the sliding block 2 and the guide frame 3 as a center, the scraper 1 is plate-shaped, the top end of the scraper 1 is connected to the sliding block 2 through a scraper frame 6, the edge of the lower end of the scraper 1 is a blade part, and the blade part of the scraper 1 is opposite to a top bearing extension surface of the scraper 5; the cylinder 4 is arranged on the guide frame 3 in an inverted mode, the extending end of the cylinder 4 is connected with the sliding block 4, and the distance between the edge of the scraper and the scraper 5 can be adjusted through the sliding block 2.
The coating device also comprises a scraper frame 6, wherein U-shaped holes are formed above the scraper 1, the scraper 1 is fixed on the scraper frame 6 through the U-shaped holes, and the number of the U-shaped holes is more than 5; there is circular trompil scraper 6 below to fix scraper 1 on scraper 6 through the round hole, the round hole is unanimous with U type hole position, and quantity is the same.
Through scraper 1, scraper 6's connection for the resistance accessible that receives when 1 string coating of scraper scrapes 6 homodisperses of scraper frame, avoids the resistance to concentrate and leads to 1 deflections of scraper, avoids storing cloth surface coating thickness inequality.
The scraper 1 is an inclined angle cutting edge with the diameter of 3mm, the included angle of two end faces of the cutting edge is an arc-shaped R angle, and the surface of the scraper 1 is provided with a chromium coating. Through the slope setting of scraper 1 and the setting of cutting part arc R angle for scraper blade coating effect is better.
The lower part of the scraper 5 is provided with a longitudinal vertical reinforcing belt 17, the positive front angle edge of the scraper 5 is 15mm, the angle R is arc-shaped, and the surface of the scraper 5 is provided with a chromium coating.
The left side and the right side of the sliding block 2 are both provided with a limiting groove 19 for being arranged in a central sliding groove of the guide frame 3; the slider is provided with a square hole 20 for connecting the extending end of the cylinder 4, and a front opening 21 for connecting the scraper frame 6.
Two sides of the scraper 1 are respectively provided with a group of baffle plates 9, the distance between the two groups of baffle plates 9 is adjustable, and the baffle plates 9 are used for preventing coating materials from overflowing.
The structure of the present apparatus will be specifically described below.
The device comprises a scraper and a scraping plate, wherein the vertical distance, the horizontal distance and the inclination angle between the scraper and the scraping plate can be adjusted.
There is U type hole scraper 1 top specifically, nut 10 passes through U type hole and fixes scraper 1 on scraper frame 6, sets up U type hole quantity as required, is more than 5 at least.
Further the steel sheet below scraper frame 5 has circular trompil, and nut 10 fixes the scraper on scraper frame 6 through the round hole, and the round hole is unanimous with U type hole position, and quantity is the same.
Further scrape the knife rest and be connected with cylinder 4 through slider 2, scrape knife rest 6 through cylinder 4 control and realize that scraper 1 reciprocates, adjust the perpendicular distance between scraper cutting part and scraper blade 5 with the thousandth gauge piece and be coating material thickness.
Further there is the lead screw 7 below the scraper blade 5, can adjust the horizontal distance between scraper blade 1 and the scraper blade 5 through lead screw anterior segment handle wheel 8, makes scraper blade portion and scraper blade 5 rear end be in a perpendicular plane.
Further 6 is connected with a scraper frame 6 through a sliding block 2, and the scraper 1 and the scraper 5 can be adjusted to be in a vertical state.
Further, the scraper 1 is an inclined angle blade with the angle of 3mm, the arc-shaped R-angle inclined angle is a negative front angle, and the scraper 1 is provided with a chromium coating.
A longitudinal vertical reinforcing belt 14 is arranged below the scraper 5, the blade with a positive front angle is 15mm, the blade has an arc-shaped R angle, and the scraper 2 is provided with a chromium coating.
Furthermore, the left side and the right side of the sliding block 2 are both provided with a limiting groove 19 which is used for being arranged in a central sliding groove of the guide frame; the slider 2 is provided with a square hole 20 for connecting the extending end of the cylinder, and a front opening 21 for connecting the scraper holder.
The scraper frame 6 is composed of a square pipe 11, a shaft head 12 and a steel plate 13.
Furthermore, a group of baffle plates 9 with a slide way 18 and adjustable width are respectively arranged at two sides of the scraper 1, and the width of the baffle plates is adjusted to be the width of the coating material through the slide way 18.
The heights of the blade part of the scraper and the scraper 5 are further detected, and the heights must be consistent through five-point detection of the distance gauge feeler gauge.
Further, the variable frequency motor 14 drives the cloth feeding roller 16 through the chain 15 to pull the filtering material such as the glass fiber needle felt and the like to the gap between the blade part of the scraper and the scraper, wherein the speed of the variable frequency motor 14 is adjustable.
Further, a coating material supply port is provided in front of the gap between the doctor blade edge and the doctor blade to supply a coating material.
Finally, the polytetrafluoroethylene paste slurry is uniformly coated on the surface of the filter material according to the set thickness.
Use the utility model discloses an adjust vertical distance, horizontal distance and inclination between scraper and the scraper blade, can control filtering material surface polytetrafluoroethylene thickness, the utility model discloses the filtering material of production can reach 15mg/Nm at trade dust emissions such as coal fired boiler, thermal power, steel and iron, cement3The net content of the filtered dust of the blast furnace gas in the steel industry can reach 5mg/Nm3The followingThe air permeability can be controlled between 90 mm/s and 160mm/s, is reduced by more than 3 times compared with the air permeability of a conventional filter material and is 2.5 times larger than the air permeability of a PTFE (polytetrafluoroethylene) membrane filter material, and the running resistance of a dust collector system cannot be increased.
The foregoing is only a preferred embodiment of the present invention, and many variations can be made in the specific embodiments and applications of the present invention by those skilled in the art without departing from the spirit of the present invention.
Claims (7)
1. A coating apparatus, characterized by: the scraper is plate-shaped, the top end of the scraper is connected to the sliding block through the scraper frame, the edge of the lower end of the scraper is a blade part, and the blade part of the scraper is opposite to a top bearing extension surface of the scraper;
the cylinder is arranged on the guide frame in an inverted mode, the extending end of the cylinder is connected with the sliding block, and the distance between the edge of the scraper and the scraper can be adjusted through the sliding block.
2. The coating apparatus of claim 1, wherein: the coating device further comprises a scraper frame, wherein U-shaped holes are formed in the upper portion of the scraper, the scraper is fixed on the scraper frame through the U-shaped holes, and the number of the U-shaped holes is more than 5; there is circular trompil scraper frame below to fix the scraper on scraper frame through the round hole, the round hole is unanimous with U type hole position, and quantity is the same.
3. The coating apparatus of claim 1, wherein: the scraper blade is platelike, and there is the lead screw below, the scraper blade sets up in the guide way, and the one end of lead screw has the handle wheel, the lead screw can drive the scraper blade at the guide way internal translation to the vertical position that corresponds of cutting part of adjustment scraper blade and scraper.
4. The coating apparatus of claim 1, wherein: the scraper is 3mm of angle of inclination cutting edge, and the angle of excess of cutting edge both ends face is arc R angle, and the scraper surface has chromium coating.
5. The coating apparatus of claim 1, wherein: and a longitudinal vertical reinforcing belt is arranged below the scraper, the positive front angle cutting edge of the scraper is 15mm, the arc-shaped R angle is formed, and the surface of the scraper is provided with a chromium coating.
6. The coating apparatus of claim 1, wherein: the left side and the right side of the sliding block are both provided with limiting grooves for being arranged in a central sliding groove of the guide frame; the square hole is used for connecting the cylinder extension end on the slider, and the place ahead trompil is used for connecting the scraper frame.
7. The coating apparatus of claim 1, wherein: two sides of the scraper are respectively provided with a group of baffles, the distance between the two groups of baffles can be adjusted, and the baffles are used for preventing coating materials from overflowing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920503592.7U CN209985709U (en) | 2019-04-15 | 2019-04-15 | Coating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920503592.7U CN209985709U (en) | 2019-04-15 | 2019-04-15 | Coating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209985709U true CN209985709U (en) | 2020-01-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920503592.7U Active CN209985709U (en) | 2019-04-15 | 2019-04-15 | Coating device |
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| CN (1) | CN209985709U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022133765A1 (en) * | 2020-12-23 | 2022-06-30 | 吴江金芙纺织整理厂 | Coating edge scraping device |
-
2019
- 2019-04-15 CN CN201920503592.7U patent/CN209985709U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022133765A1 (en) * | 2020-12-23 | 2022-06-30 | 吴江金芙纺织整理厂 | Coating edge scraping device |
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