CN106422488B - A kind of ceramic filter - Google Patents
A kind of ceramic filter Download PDFInfo
- Publication number
- CN106422488B CN106422488B CN201610828463.6A CN201610828463A CN106422488B CN 106422488 B CN106422488 B CN 106422488B CN 201610828463 A CN201610828463 A CN 201610828463A CN 106422488 B CN106422488 B CN 106422488B
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- Prior art keywords
- ceramic wafer
- scraper
- ceramic
- parts
- cutter hub
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/44—Regenerating the filter material in the filter
- B01D33/46—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element
- B01D33/466—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element scrapers
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/12—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08L27/18—Homopolymers or copolymers or tetrafluoroethene
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Cleaning Or Drying Semiconductors (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The invention discloses a kind of ceramic filters, including：Dispensing head, ceramic wafer, groove body, dry section, recoil area and vacuum area, the ceramic machine dispensing head is mounted on one end of the main shaft of ceramic filter, dispensing head is connected to ceramic wafer, the lower part of ceramic wafer is set in groove body, ceramic wafer cooperation is equipped with novel scraper system, scraper system is set to the side that ceramic wafer enters groove body, and is set to the outside of groove body；Novel scraper system includes scraping cutter hub, metal baffle and elastic device, cutter hub is scraped equipped with scraper portion, it scrapes cutter hub to be fixedly mounted on cutter hub bracket by elastic device, scraper portion, which is equipped with, scrapes charge level in 30-60 ° with ceramic wafer, scrapes the metal baffle that charge level is equipped with activity installation.Technical purpose of the invention is to provide a kind of ceramic filter with novel scraper system, and this novel scraper system enables to scrape that cutter hub is more durable, and scraper system is relatively reliable.
Description
Technical field
The present invention relates to filter device fields, more particularly to a kind of ceramic filter.
Background technique
Ceramic filter integrates the new and high technologies such as electromechanics, capillary ceramic plate, automation control, ultrasonic cleaning
Novel filtering device.Compact-sized, superior performance, economical, societal benefits are significant, can be widely applied to ore dressing, chemical industry, coal,
The solid-liquid separating equipment of the industries such as metallurgy, medicine, power generation, environmental protection and sewage treatment.
Existing ceramic filter when being struck off to the filter cake on ceramic wafer, commonly used technical solution be will
Scraper is equipped with fixed interval (FI) or scraper with ceramic wafer and contacts with ceramic wafer.However it is scraper is usual equipped with fixed interval (FI) with ceramic wafer
Will lead to the filter cake on the gap between scraper and ceramic wafer can not strike off, and have to the accuracy of manufacture of ceramic wafer
It asks, if scraper is contacted with ceramic wafer, friction can be generated between scraper and ceramic wafer, so that blade wears, the fortune of ceramic wafer
Turn frictional force increase, it is seen that both technical solutions can not effectively filter the filter cake on ceramic wafer and reliably use.
Summary of the invention
For the above-mentioned ceramic filter problem, technical purpose of the invention is to provide a kind of with novel scraper
The ceramic filter of system, this novel scraper system enable to scrape that cutter hub is more durable, and scraper system is relatively reliable.
The invention is realized by the following technical scheme：
A kind of ceramic filter, including：Dispensing head, ceramic wafer, groove body, dry section, recoil area and vacuum area, the ceramics
Machine dispensing head is mounted on one end of the main shaft of ceramic filter, and dispensing head is connected to ceramic wafer, and the lower part of ceramic wafer is set to groove body
Interior, ceramic wafer cooperation is equipped with novel scraper system, and scraper system is set to the side that ceramic wafer enters groove body, and is set to the outer of groove body
Portion.
Further, novel scraper system includes scraping cutter hub, metal baffle and elastic device, scrapes cutter hub equipped with scraper
Portion scrapes cutter hub and is fixedly mounted on cutter hub bracket by elastic device, and scraper portion, which is equipped with, scrapes charge level in 30-60 ° with ceramic wafer,
The metal baffle that charge level is equipped with activity installation is scraped, the width of metal baffle is greater than the width of filter cake on ceramic wafer, metal baffle
It is fixedly mounted on cutter hub bracket by drawstring.
Further, it is equipped with flowing lumen in scraper portion, scraper portion is equipped with contact surface with ceramic wafer, contact surface and scrapes charge level
Group scraping angle at an acute angle, contact surface is equipped with through-hole that is several uniformly distributed and being connected to flowing lumen, and contact surface is equipped with composition one
Several through-holes of straight line organize several through-holes and contact surface in line and scrape the intersection parallel arrangement of charge level, and flowing lumen passes through
Pipeline is connected with temperature-reducing medium.
Further, the material in scraper portion is ptfe composite.
Further, elastic device is air bag elastic device/spring device.
Further, the pipeline that flowing lumen entrance is connected with is equipped with the first control valve, and scraper portion is equipped with to be connect for measuring
The distance-measuring device of the distance between contacting surface and ceramic wafer, first control valve, distance-measuring device connect with MCU respectively
It connects.
Further, the distance L measured in real time is transmitted to MCU by distance-measuring device, if L > L1, L1 are the maximum allowed
Distance value, then MCU reduces aperture by the first control valve of control, so that the value of L reduces；If L < L2, L2 are the most narrow spacing allowed
From value, then MCU increases aperture by the first control valve of control, so that the value of L increases.
Further, the ptfe composite each component quality proportioning in scraper portion is：
Polytetrafluoroethylene (PTFE):60-65 parts；Glass fibre：10-12 parts；Molybdenum disulfide powder：5-7 parts；Carbon fiber：3-5 parts；
Graphite powder：8-13 parts；SiO 2 powder：6-7 parts；PA：7-8 parts；Barium sulfate：15-18 parts；Copper oxide：17-20 parts.
Wherein, carbon fiber is carbon fiber powder, and carbon fiber passes through rare-earth modifier modification.
The beneficial effects of the invention are as follows:
By the novel scraper system being equipped with, the temperature of scraper can reduce, and by being equipped with elasticity on scraping cutter hub
Device enables scraper body to press to ceramic wafer, so that ceramic wafer can be contacted with scraper body, filter cake is struck off, scraper
Portion, which is equipped with, scrapes charge level in 30-60 ° with ceramic wafer, is enable to the metal baffle that is more easier to strike off filter cake, be equipped with
It can be avoided the friction to the scraper portion for scraping cutter hub, and metal baffle is activity installation, so that after scraper portion is worn,
Metal baffle is always definite value at a distance from ceramic wafer, will not make metal baffle and ceramic wafer friction, thus to scraper portion into
Row protection, so that scraper portion is more durable；And it is equipped with flowing lumen upper, through-hole is equipped on the contact surface in scraper portion, so that
Gas can be entered between scraper portion and ceramic wafer by flowing lumen by through-hole, and one layer of very thin air film is formed, air film
Thickness is less than 0.2mm, and scraper portion need not directly contact with ceramic wafer, can effectively be struck off to filter cake, and frictional force
Very little considerably increases scraper effect and scraper if scraper portion is contacted with ceramic wafer also can quickly cool down to scraper portion
The service life in portion.
It can be improved the hardness of ptfe composite by the glass fibre of the mass component added with the technical program, increase
Add wear-resisting property, the molybdenum disulfide of addition can be improved the rigidity and hardness of product, and can substantially reduce the mill in use
Damage amount, the combination that can increase carbon fiber and polytetrafluoroethylene (PTFE) by the modified carbon fiber of sucking is more firm, and greatly improves
Creep resistance, increased silica can increase the hardness of polytetrafluoroethylene (PTFE), and PA can increase the resilience of product, PA and sulphur
Sour barium and copper oxide further increase wear-resisting, the copper oxide of addition so that the wear-resistant of ptfe composite can greatly increase
Antifriction effect can be increased.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of ceramic filter；
Fig. 2 is the structural schematic diagram of scraper system.
It is marked in figure：1 it is dispensing head, 2 be ceramic wafer, 3 be groove body, 4 be dry section, 5 be recoil area, 6 is vacuum area, 10
For scrape cutter hub, 11 be flowing lumen, 12 be metal baffle, 13 be contact seat, 14 be elastic device, 15 be through-hole, 16 be scraper portion,
17 is scrape charge level, 18 are contact surface.
Specific embodiment
The present invention is described in detail with reference to the accompanying drawing.
Embodiment one：
Ceramic filter as shown in Figures 1 and 2, including：Dispensing head 1, ceramic wafer 2, groove body 3, dry section 4, recoil area
5, vacuum area 6, scrape cutter hub 10, flowing lumen 11, metal baffle 12, contact seat 13, elastic device 14, through-hole 15, scraper portion 16, scrape
Charge level 17 and contact surface 18, ceramic machine dispensing head 1 are mounted on one end of the main shaft of ceramic filter, and dispensing head 1 and ceramic wafer 2 connect
Logical, the lower part of ceramic wafer 2 is set in groove body 3, and the cooperation of ceramic wafer 2 is equipped with novel scraper system 7, and scraper system 7 is set to ceramic wafer 2
Into the side of groove body 3, and it is set to the outside of groove body 3.
Novel scraper system 7 includes scraping cutter hub 10, metal baffle 12 and elastic device 14, scrapes cutter hub 10 equipped with scraper portion
16, it scrapes cutter hub 10 and is fixedly mounted on cutter hub bracket by elastic device 14, scraper portion 16 is equipped with ceramic wafer 2 in 30-60 °
Charge level 17 is scraped, it can be 30,35,40,45,50,55 and 60 ° that scraper portion 16, which is equipped with the angle of ceramic wafer 2, preferably 40 °, will not
So that scraping, the angle region that charge level 17 and contact surface 18 form is too long and narrow, scrapes the metal baffle that charge level 17 is equipped with movable installation
12, the material of metal baffle 12 is stainless steel material, and its front end is set as wedge shape, metal gear with the position for scraping the cooperation of charge level 17
The width of piece 12 is greater than the width of filter cake on ceramic wafer 2, makes it possible to thoroughly scrape ceramic wafer 2 completely, metal baffle 12 passes through
Drawstring is fixedly mounted on cutter hub bracket, under the action of the frictional force of filter cake, so that metal baffle 12 tenses drawstring, gold
It is constant to belong to the distance between baffle 12 and ceramic wafer 2.
Flowing lumen 11 is equipped in scraper portion 16, scraper portion 16 is equipped with the contact surface 18 with ceramic wafer 2, contact surface 18 and scraper
17 groups of face scraping angle at an acute angle, contact surface 18 are equipped with through-hole 15 that is several uniformly distributed and being connected to flowing lumen 11, and contact surface 18
Several through-holes 15 of group in line are equipped with, several through-holes 15 and contact surface 18 in line are organized and scrape the intersection of charge level 17
Parallel arrangement, so that 16, scraper portion stress more balances, flowing lumen 11 is connected with temperature-reducing medium, temperature-reducing medium by pipeline
For gas.
The material in scraper portion 16 is ptfe composite, and ptfe composite frictional force is small, wear-resisting, corrosion-resistant, energy
Enough increase the durability and applicability in scraper portion 16.
Elastic device 14 is air bag elastic device/spring device, is typically set to the elastic device of spring-like.
The control system of ceramic filter, the pipeline that 11 entrance of flowing lumen is connected with are equipped with the first control valve, scraper portion 16
It is equipped with the distance-measuring device for measuring the distance between contact surface 18 and ceramic wafer 2, first control valve, distance are surveyed
Amount device is connect with MCU respectively.The distance L measured in real time is transmitted to MCU by distance-measuring device, if L > L1, L1 are to allow most
Big distance value, then MCU reduces aperture by the first control valve of control, so that the value of L reduces；If L < L2, L2 are the minimum allowed
Distance value, then MCU increases aperture by the first control valve of control, so that the value of L increases.This control is able to maintain contact surface 18
The distance between ceramic wafer 2 increases the efficiency for wiping filter cake off.
The ptfe composite each component quality proportioning in scraper portion 16 is：
Polytetrafluoroethylene (PTFE):60 parts；Glass fibre：10 parts；Molybdenum disulfide powder：5 parts；Carbon fiber：3 parts；Graphite powder：8 parts；
SiO 2 powder：6 parts；PA：7 parts；Barium sulfate：15 parts；Copper oxide：17 parts.
Wherein, carbon fiber is carbon fiber powder, and carbon fiber passes through rare-earth modifier modification
Embodiment two：
Ceramic filter as shown in Figures 1 and 2, including：Dispensing head 1, ceramic wafer 2, groove body 3, dry section 4, recoil area
5, vacuum area 6, scrape cutter hub 10, flowing lumen 11, metal baffle 12, contact seat 13, elastic device 14, through-hole 15, scraper portion 16, scrape
Charge level 17 and contact surface 18, ceramic machine dispensing head 1 are mounted on one end of the main shaft of ceramic filter, and dispensing head 1 and ceramic wafer 2 connect
Logical, the lower part of ceramic wafer 2 is set in groove body 3, and the cooperation of ceramic wafer 2 is equipped with novel scraper system 7, and scraper system 7 is set to ceramic wafer 2
Into the side of groove body 3, and it is set to the outside of groove body 3.
Novel scraper system 7 includes scraping cutter hub 10, metal baffle 12 and elastic device 14, scrapes cutter hub 10 equipped with scraper portion
16, it scrapes cutter hub 10 and is fixedly mounted on cutter hub bracket by elastic device 14, scraper portion 16 is equipped with ceramic wafer 2 in 30-60 °
Charge level 17 is scraped, it can be 30,35,40,45,50,55 and 60 ° that scraper portion 16, which is equipped with the angle of ceramic wafer 2, preferably 40 °, will not
So that scraping, the angle region that charge level 17 and contact surface 18 form is too long and narrow, scrapes the metal baffle that charge level 17 is equipped with movable installation
12, the material of metal baffle 12 is stainless steel material, and its front end is set as wedge shape, metal gear with the position for scraping the cooperation of charge level 17
The width of piece 12 is greater than the width of filter cake on ceramic wafer 2, makes it possible to thoroughly scrape ceramic wafer 2 completely, metal baffle 12 passes through
Drawstring is fixedly mounted on cutter hub bracket, under the action of the frictional force of filter cake, so that metal baffle 12 tenses drawstring, gold
It is constant to belong to the distance between baffle 12 and ceramic wafer 2.
Flowing lumen 11 is equipped in scraper portion 16, scraper portion 16 is equipped with the contact surface 18 with ceramic wafer 2, contact surface 18 and scraper
17 groups of face scraping angle at an acute angle, contact surface 18 are equipped with through-hole 15 that is several uniformly distributed and being connected to flowing lumen 11, and contact surface 18
Several through-holes 15 of group in line are equipped with, several through-holes 15 and contact surface 18 in line are organized and scrape the intersection of charge level 17
Parallel arrangement, so that 16, scraper portion stress more balances, flowing lumen 11 is connected with temperature-reducing medium, temperature-reducing medium by pipeline
For gas.
The material in scraper portion 16 is ptfe composite, and ptfe composite frictional force is small, wear-resisting, corrosion-resistant, energy
Enough increase the durability and applicability in scraper portion 16.
Elastic device 14 is air bag elastic device/spring device, is typically set to the elastic device of spring-like.
The control system of ceramic filter, the pipeline that 11 entrance of flowing lumen is connected with are equipped with the first control valve, scraper portion 16
It is equipped with the distance-measuring device for measuring the distance between contact surface 18 and ceramic wafer 2, first control valve, distance are surveyed
Amount device is connect with MCU respectively.The distance L measured in real time is transmitted to MCU by distance-measuring device, if L > L1, L1 are to allow most
Big distance value, then MCU reduces aperture by the first control valve of control, so that the value of L reduces；If L < L2, L2 are the minimum allowed
Distance value, then MCU increases aperture by the first control valve of control, so that the value of L increases.This control is able to maintain contact surface 18
The distance between ceramic wafer 2 increases the efficiency for wiping filter cake off.
The ptfe composite each component quality proportioning in scraper portion 16 is：
Polytetrafluoroethylene (PTFE):65 parts；Glass fibre：12 parts；Molybdenum disulfide powder：7 parts；Carbon fiber：5 parts；Graphite powder：13
Part；SiO 2 powder：7 parts；PA：8 parts；Barium sulfate：18 parts；Copper oxide：20 parts.
Wherein, carbon fiber is carbon fiber powder, and carbon fiber passes through rare-earth modifier modification
Embodiment three：
Ceramic filter as shown in Figures 1 and 2, including：Dispensing head 1, ceramic wafer 2, groove body 3, dry section 4, recoil area
5, vacuum area 6, scrape cutter hub 10, flowing lumen 11, metal baffle 12, contact seat 13, elastic device 14, through-hole 15, scraper portion 16, scrape
Charge level 17 and contact surface 18, ceramic machine dispensing head 1 are mounted on one end of the main shaft of ceramic filter, and dispensing head 1 and ceramic wafer 2 connect
Logical, the lower part of ceramic wafer 2 is set in groove body 3, and the cooperation of ceramic wafer 2 is equipped with novel scraper system 7, and scraper system 7 is set to ceramic wafer 2
Into the side of groove body 3, and it is set to the outside of groove body 3.
Novel scraper system 7 includes scraping cutter hub 10, metal baffle 12 and elastic device 14, scrapes cutter hub 10 equipped with scraper portion
16, it scrapes cutter hub 10 and is fixedly mounted on cutter hub bracket by elastic device 14, scraper portion 16 is equipped with ceramic wafer 2 in 30-60 °
Charge level 17 is scraped, it can be 30,35,40,45,50,55 and 60 ° that scraper portion 16, which is equipped with the angle of ceramic wafer 2, preferably 40 °, will not
So that scraping, the angle region that charge level 17 and contact surface 18 form is too long and narrow, scrapes the metal baffle that charge level 17 is equipped with movable installation
12, the material of metal baffle 12 is stainless steel material, and its front end is set as wedge shape, metal gear with the position for scraping the cooperation of charge level 17
The width of piece 12 is greater than the width of filter cake on ceramic wafer 2, makes it possible to thoroughly scrape ceramic wafer 2 completely, metal baffle 12 passes through
Drawstring is fixedly mounted on cutter hub bracket, under the action of the frictional force of filter cake, so that metal baffle 12 tenses drawstring, gold
It is constant to belong to the distance between baffle 12 and ceramic wafer 2.
Flowing lumen 11 is equipped in scraper portion 16, scraper portion 16 is equipped with the contact surface 18 with ceramic wafer 2, contact surface 18 and scraper
17 groups of face scraping angle at an acute angle, contact surface 18 are equipped with through-hole 15 that is several uniformly distributed and being connected to flowing lumen 11, and contact surface 18
Several through-holes 15 of group in line are equipped with, several through-holes 15 and contact surface 18 in line are organized and scrape the intersection of charge level 17
Parallel arrangement, so that 16, scraper portion stress more balances, flowing lumen 11 is connected with temperature-reducing medium, temperature-reducing medium by pipeline
For gas.
The material in scraper portion 16 is ptfe composite, and ptfe composite frictional force is small, wear-resisting, corrosion-resistant, energy
Enough increase the durability and applicability in scraper portion 16.
Elastic device 14 is air bag elastic device/spring device, is typically set to the elastic device of spring-like.
The control system of ceramic filter, the pipeline that 11 entrance of flowing lumen is connected with are equipped with the first control valve, scraper portion 16
It is equipped with the distance-measuring device for measuring the distance between contact surface 18 and ceramic wafer 2, first control valve, distance are surveyed
Amount device is connect with MCU respectively.The distance L measured in real time is transmitted to MCU by distance-measuring device, if L > L1, L1 are to allow most
Big distance value, then MCU reduces aperture by the first control valve of control, so that the value of L reduces；If L < L2, L2 are the minimum allowed
Distance value, then MCU increases aperture by the first control valve of control, so that the value of L increases.This control is able to maintain contact surface 18
The distance between ceramic wafer 2 increases the efficiency for wiping filter cake off.
The ptfe composite each component quality proportioning in scraper portion 16 is：
Polytetrafluoroethylene (PTFE):62 parts；Glass fibre：11 parts；Molybdenum disulfide powder：6 parts；Carbon fiber：3.5 part；Graphite powder：
9.5 part；SiO 2 powder：6.5 part；PA：7.5 part；Barium sulfate：16 parts；Copper oxide：18 parts.
Wherein, carbon fiber is carbon fiber powder, and carbon fiber passes through rare-earth modifier modification.
Claims (2)
1. a kind of ceramic filter, which is characterized in that including：Dispensing head（1）, ceramic wafer（2）, groove body（3）, dry section（4）, it is anti-
Rush area（5）And vacuum area（6）, the dispensing head（1）It is mounted on one end of the main shaft of ceramic filter, dispensing head（1）With ceramics
Plate（2）Connection, ceramic wafer（2）Lower part be set to groove body（3）It is interior, ceramic wafer（2）Cooperation is equipped with novel scraper system（7）, scraper
System（7）Set on ceramic wafer（2）Into groove body（3）Side, and be set to groove body（3）Outside;
Novel scraper system（7）Including scraping cutter hub（10）, metal baffle（12）And elastic device（14）, scrape cutter hub（10）It is equipped with
Scraper portion（16）, scrape cutter hub（10）Pass through elastic device（14）It is fixedly mounted on cutter hub bracket, scraper portion（16）Equipped with pottery
Porcelain plate（2）Charge level is scraped in 30-60 °（17）, scrape charge level（17）It is equipped with the metal baffle of activity installation（12）, metal baffle
（12）Width be greater than ceramic wafer（2）The width of upper filter cake, metal baffle（12）It is fixedly mounted on cutter hub bracket by drawstring；
Scraper portion（16）It is interior to be equipped with flowing lumen（11）, scraper portion（16）It is equipped with and ceramic wafer（2）Contact surface（18）, contact surface
（18）With scrape charge level（17）Group scraping angle at an acute angle, contact surface（18）It is equipped with several uniformly distributed and and flowing lumen（11）Connection is led to
Hole（15）, and contact surface（18）It is equipped with several through-holes of group in line（15）, organize several through-holes in line（15）With
Contact surface（18）And scrape charge level（17）Intersection parallel arrangement, flowing lumen（11）Temperature-reducing medium is connected with by pipeline;
Scraper portion（16）Material be ptfe composite;
Elastic device（14）For air bag elastic device/spring device;
Flowing lumen（11）The pipeline that entrance is connected with is equipped with the first control valve, scraper portion（16）It is equipped with for measuring contact surface
（18）With ceramic wafer（2）The distance between distance-measuring device, first control valve, distance-measuring device respectively with MCU
Connection;
The distance L measured in real time is transmitted to MCU by distance-measuring device, if L > L1, L1 are the maximum range value allowed, then MCU is logical
It crosses the first control valve of control and reduces aperture, so that the value of L reduces；If L < L2, L2 are the lowest distance value allowed, then MCU passes through
It controls the first control valve and increases aperture, so that the value of L increases.
2. ceramic filter according to claim 1, which is characterized in that scraper portion（16）Ptfe composite each group
Point quality proportioning is：
Polytetrafluoroethylene (PTFE):60-65 parts；Glass fibre：10-12 parts；Molybdenum disulfide powder：5-7 parts；Carbon fiber：3-5 parts；Graphite
Powder：8-13 parts；SiO 2 powder：6-7 parts；PA：7-8 parts；Barium sulfate：15-18 parts；Copper oxide：17-20 parts;
Wherein, carbon fiber is carbon fiber powder, and carbon fiber passes through rare-earth modifier modification.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610828463.6A CN106422488B (en) | 2016-09-19 | 2016-09-19 | A kind of ceramic filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610828463.6A CN106422488B (en) | 2016-09-19 | 2016-09-19 | A kind of ceramic filter |
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| CN106422488A CN106422488A (en) | 2017-02-22 |
| CN106422488B true CN106422488B (en) | 2018-11-20 |
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| CN114130104B (en) * | 2021-12-03 | 2022-11-29 | 铜陵杰达机械设备有限公司 | Ceramic filter capable of preventing blanking blockage and working method thereof |
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