CN108744783A - A kind of flue dust high temperature composite ceramics filter cylinder and technique - Google Patents
A kind of flue dust high temperature composite ceramics filter cylinder and technique Download PDFInfo
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- CN108744783A CN108744783A CN201810654425.2A CN201810654425A CN108744783A CN 108744783 A CN108744783 A CN 108744783A CN 201810654425 A CN201810654425 A CN 201810654425A CN 108744783 A CN108744783 A CN 108744783A
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- cylinder
- high temperature
- filter cylinder
- flue dust
- composite ceramics
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
- B01D46/2411—Filter cartridges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0001—Making filtering elements
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Filtering Materials (AREA)
Abstract
The invention discloses a kind of flue dust high temperature composite ceramics filter cylinders of ceramic filter drum technical field,The surface crown of the cylinder is socketed with mounting ring,The top center position of the cylinder is provided with exhaust outlet,And exhaust outlet runs through cylinder,The bottom of the cylinder is provided with a bottom,And cylinder bottom is hemispherical,The present invention passes through nanoscale dedusting hole,Convenient for the dust in removal flue gas,Effectively avoid the pollution to environment,Using refractory ceramics,Highest heatproof can reach 1400 degrees Celsius or more,It can be placed directly in inside the device of boiler or generation high-temperature flue gas,Reduce the device for the removing dust for needing specially to be arranged,Reduce the investment in equipment and place,This product has Ke Xunhuanliyong property,It can generally replaced using 3-5,This product is replaced simple,Reduce furnace outage time,Improve the utilization rate of boiler or device.
Description
Technical field
The present invention relates to ceramic filter drum technical field, specially a kind of flue dust high temperature composite ceramics filter cylinder and technique.
Background technology
Filtering high-temperature flue gas has become the important skill that the industries such as material, metallurgy, chemical industry, electric power realize " energy-saving and emission-reduction "
Art brainstorm subject.Many industrial smokes belong to high-temperature flue gas, such as smelting, burning, thermal power generation, coal-burning boiler, industrial furnace, remaining
Recuperation of heat utilizes.Contain more dust in high-temperature flue gas, it, certainly will be serious dirty if high-temperature flue gas is directly discharged in air
Contaminate air quality.
People are filtered by installing filter cylinder inside the device of boiler or generation high-temperature flue gas at present, this method
Although can have the function that filter dust, since filter cylinder is chronically in the environment of high temperature, it is easy heat damage, and then lead
Caused the disadvantage of filtering accuracy difference, if often replacing the filter cylinder of damage, not only increased use cost, be also easy to delay boiler or
The working efficiency of device, for this purpose, it is proposed that a kind of flue dust high temperature composite ceramics filter cylinder and technique.
Invention content
The purpose of the present invention is to provide a kind of flue dust high temperature composite ceramics filter cylinder and techniques, to solve above-mentioned background technology
The problem of middle proposition.
To achieve the above object, the present invention provides the following technical solutions：A kind of flue dust high temperature composite ceramics filter cylinder, including cylinder
The surface crown of body, the cylinder is socketed with mounting ring, and the top center position of the cylinder is provided with exhaust outlet, and exhaust outlet
Through cylinder, the bottom of the cylinder is provided with a bottom, and cylinder bottom is hemispherical.
Preferably, the cylinder is internally provided with micropore, and micropore runs through cylinder table wall.
Preferably, the surface of the cylinder is circumference type, and the surface of cylinder is covered with pyroceram fibre blanket, and resistance to
The surface of high-temperature ceramic fibre blanket and cylinder fits closely.
Preferably, the inner wall of the cylinder is circumference type, and the inner wall of cylinder is provided with the thin blanket of pyroceram fibre.
Preferably, a kind of flue dust high temperature composite ceramics filter cylinder production technology, the technique include the following steps：
A. it cleans：It is first turned on mold and cleans, cleaning hydraulic pressure is 6Mpa, scavenging period 10min；
B. laying：The mould inner wall layer overlay pyroceram fibre blanket of end will be cleaned in step a；
C. sorting：Choose titanium dioxide 300g, methylcellulose 300g, poly-vinyl alcohol solution 800ml, carbon fiber 100g；
D. it mixes：The material chosen in step c is put into and is stirred mixing in blender, whipping temp is 25~40
DEG C, until stirring the mixture for into paste；
E. it smears：Paste mixture obtained in step d is uniformly smeared into pyroceram fibre blanket layer in stepb
On inner wall, and smearing thickness is in 5~7mm；
F. laying again：The pyroceram fibre blanket layer inner wall of end layer overlay high temperature resistant again will be smeared in step e
The thin blanket of ceramic fibre；
G. die-filling：After repaving layer work in step f, load a die, and be passed through high-temperature gas to mould inside to make it
Solidification, gas temperature are 150~300 DEG C, and hardening time is 5~7h；
H. demoulding：The filter cylinder for curing end in step g is sloughed into mold, kiln is packed into and carries out hot setting molding, kiln
For temperature at 700~800 DEG C, the time is 10~14h；
I. it detects：The filter cylinder that curing molding terminates in step h is carried out at room temperature it is air-cooled, air-cooled speed be 100~200
DEG C/min, it is cooled to after room temperature and its permeability is tested by negative pressure, the negative pressure testing time is 30s, and manufacture is packed after qualified.
Compared with prior art, the beneficial effects of the invention are as follows：
1. the present invention is effectively avoided convenient for the dust in removal flue gas to environment by nanoscale dedusting hole
Pollution；
2. using refractory ceramics, highest heatproof can reach 1400 degrees Celsius or more, can directly place
Inside the device of boiler or generation high-temperature flue gas, reduce the removing dust for needing specially to be arranged
Device reduces the investment in equipment and place；
3. this product has Ke Xunhuanliyong property, can generally replaced using 3-5；
4. this product is replaced simply, reduces furnace outage time, improve the utilization rate of boiler or device.
Description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is cross section structure schematic diagram of the present invention.
In figure：1 cylinder, 2 mounting rings, 3 exhaust outlets, 4 bottoms, 5 pyroceram fibre blankets, 6 micropores, 7 refractory ceramicses
The thin blanket of fiber.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
- 2 are please referred to Fig.1, the present invention provides a kind of technical solution：A kind of flue dust high temperature composite ceramics filter cylinder, including cylinder
1, the surface crown of cylinder 1 is socketed with mounting ring 2, and mounting ring 2 is convenient for more stable and firm, the cylinder 1 that enables cylinder 1 to install
Top center position be provided with exhaust outlet 3, and exhaust outlet 3 runs through cylinder 1, and flue gas can be not only discharged in exhaust outlet 3, can also be to
It is passed through high pressure gas in exhaust outlet 3, blowback is realized to product surface of the present invention, is convenient for the flue dust on cleaning products surface, Jin Erbian
The bottom of the number for improving product reuse, cylinder 1 is provided with a bottom 4, and cylinder bottom 4 is hemispherical.
Wherein, tube body 1 is internally provided with micropore 6, and micropore 6 runs through 1 table wall of tube body, for filtering the ash in flue gas
Dirt, when flue gas is through small holes, dust is blocked outside nano grade pore；
The surface of tube body 1 is circumference type, increases the contact area of flue gas and 1 surface of tube body, and the surface of tube body 1 is covered with
Pyroceram fibre blanket 5, and pyroceram fibre blanket 5 and the surface of tube body 1 fit closely, the heat-resisting quantity of reinforcement structure
Energy；
The inner wall of tube body 1 is circumference type, increases the surface area of 1 inner wall of tube body, increases the efficiency of exhaust, the inner wall of tube body 1
It is provided with the thin blanket 7 of pyroceram fibre, the high temperature resistance of reinforcement structure；
A kind of flue dust high temperature composite ceramics filter cylinder production technology, the technique include the following steps：
A. it cleans：It is first turned on mold and cleans, cleaning hydraulic pressure is 6Mpa, scavenging period 10min；
B. laying：The mould inner wall layer overlay pyroceram fibre blanket of end will be cleaned in step a；
C. sorting：Choose titanium dioxide 300g, methylcellulose 300g, poly-vinyl alcohol solution 800ml, carbon fiber 100g；
D. it mixes：The material chosen in step c is put into and is stirred mixing in blender, whipping temp is 25~40
DEG C, until stirring the mixture for into paste；
E. it smears：Paste mixture obtained in step d is uniformly smeared into pyroceram fibre blanket layer in stepb
On inner wall, and smearing thickness is in 5~7mm；
F. laying again：The pyroceram fibre blanket layer inner wall of end layer overlay high temperature resistant again will be smeared in step e
The thin blanket of ceramic fibre；
G. die-filling：After repaving layer work in step f, load a die, and be passed through high-temperature gas to mould inside to make it
Solidification, gas temperature are 150~300 DEG C, and hardening time is 5~7h；
H. demoulding：The filter cylinder for curing end in step g is sloughed into mold, kiln is packed into and carries out hot setting molding, kiln
For temperature at 700~800 DEG C, the time is 10~14h；
I. it detects：The filter cylinder that curing molding terminates in step h is carried out at room temperature it is air-cooled, air-cooled speed be 100~200
DEG C/min, it is cooled to after room temperature and its permeability is tested by negative pressure, the negative pressure testing time is 30s, and manufacture is packed after qualified.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of flue dust high temperature composite ceramics filter cylinder, including cylinder (1), it is characterised in that：The surface crown set of the cylinder (1)
It is connected to mounting ring (2), the top center position of the cylinder (1) is provided with exhaust outlet (3), and exhaust outlet (3) runs through cylinder
(1), the bottom of the cylinder (1) is provided with a bottom (4), and cylinder bottom (4) are hemispherical.
2. a kind of flue dust high temperature composite ceramics filter cylinder according to claim 1, it is characterised in that：The cylinder (1) it is interior
Portion is provided with micropore (6), and micropore (6) runs through cylinder (1) table wall.
3. a kind of flue dust high temperature composite ceramics filter cylinder according to claim 1, it is characterised in that：The table of the cylinder (1)
Face is circumference type, and the surface of cylinder (1) is covered with pyroceram fibre blanket (5), and pyroceram fibre blanket (5) and cylinder
The surface of body (1) fits closely.
4. a kind of flue dust high temperature composite ceramics filter cylinder according to claim 1, it is characterised in that：The cylinder (1) it is interior
Wall is circumference type, and the inner wall of cylinder (1) is provided with the thin blanket of pyroceram fibre (7).
5. a kind of flue dust high temperature composite ceramics filter cylinder production technology, it is characterised in that：The technique includes the following steps：
A. it cleans：It is first turned on mold and cleans, cleaning hydraulic pressure is 6Mpa, scavenging period 10min；
B. laying：The mould inner wall layer overlay pyroceram fibre blanket of end will be cleaned in step a；
C. sorting：Choose titanium dioxide 300g, methylcellulose 300g, poly-vinyl alcohol solution 800ml, carbon fiber 100g；
D. it mixes：The material chosen in step c is put into and is stirred mixing in blender, whipping temp is 25~40 DEG C, directly
To stirring the mixture for into paste；
E. it smears：Paste mixture obtained in step d is uniformly smeared to the inner wall of pyroceram fibre blanket layer in stepb
On, and smearing thickness is in 5~7mm；
F. laying again：The pyroceram fibre blanket layer inner wall of end layer overlay refractory ceramics again will be smeared in step e
The thin blanket of fiber；
G. die-filling：After repaving layer work in step f, load a die, and be passed through high-temperature gas to mould inside to make its solidification,
Gas temperature is 150~300 DEG C, and hardening time is 5~7h；
H. demoulding：The filter cylinder for curing end in step g is sloughed into mold, kiln is packed into and carries out hot setting molding, kiln temperature
At 700~800 DEG C, the time is 10~14h；
I. it detects：The filter cylinder that curing molding terminates in step h is carried out at room temperature it is air-cooled, air-cooled speed be 100~200 DEG C/
Min is cooled to after room temperature and tests its permeability by negative pressure, and the negative pressure testing time is 30s, and manufacture is packed after qualified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810654425.2A CN108744783A (en) | 2018-06-22 | 2018-06-22 | A kind of flue dust high temperature composite ceramics filter cylinder and technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810654425.2A CN108744783A (en) | 2018-06-22 | 2018-06-22 | A kind of flue dust high temperature composite ceramics filter cylinder and technique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108744783A true CN108744783A (en) | 2018-11-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810654425.2A Pending CN108744783A (en) | 2018-06-22 | 2018-06-22 | A kind of flue dust high temperature composite ceramics filter cylinder and technique |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112704978A (en) * | 2021-01-04 | 2021-04-27 | 福建龙净环保股份有限公司 | High-temperature flue gas filter pipe and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050252177A1 (en) * | 2004-05-12 | 2005-11-17 | Shiro Ishikawa | Ceramic filter and smoke treatment device |
| CN107670428A (en) * | 2017-10-19 | 2018-02-09 | 苏州红恩新材料科技有限公司 | A kind of screen pipe suitable for high-temperature dust-containing flue gas |
| CN108479230A (en) * | 2018-06-22 | 2018-09-04 | 苏州宏信和新材料有限公司 | A kind of dirt nitre collaboration high temperature composite ceramics filter cylinder and technique |
| CN208824133U (en) * | 2018-06-22 | 2019-05-07 | 苏州宏信和新材料有限公司 | A kind of dirt nitre collaboration high temperature composite ceramics filter cylinder |
-
2018
- 2018-06-22 CN CN201810654425.2A patent/CN108744783A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050252177A1 (en) * | 2004-05-12 | 2005-11-17 | Shiro Ishikawa | Ceramic filter and smoke treatment device |
| CN107670428A (en) * | 2017-10-19 | 2018-02-09 | 苏州红恩新材料科技有限公司 | A kind of screen pipe suitable for high-temperature dust-containing flue gas |
| CN108479230A (en) * | 2018-06-22 | 2018-09-04 | 苏州宏信和新材料有限公司 | A kind of dirt nitre collaboration high temperature composite ceramics filter cylinder and technique |
| CN208824133U (en) * | 2018-06-22 | 2019-05-07 | 苏州宏信和新材料有限公司 | A kind of dirt nitre collaboration high temperature composite ceramics filter cylinder |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112704978A (en) * | 2021-01-04 | 2021-04-27 | 福建龙净环保股份有限公司 | High-temperature flue gas filter pipe and preparation method thereof |
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Application publication date: 20181106 |