CN110922201A - Preparation method of ceramic fiber filter element, filter element and preparation system - Google Patents
Preparation method of ceramic fiber filter element, filter element and preparation system Download PDFInfo
- Publication number
- CN110922201A CN110922201A CN201911236161.XA CN201911236161A CN110922201A CN 110922201 A CN110922201 A CN 110922201A CN 201911236161 A CN201911236161 A CN 201911236161A CN 110922201 A CN110922201 A CN 110922201A
- Authority
- CN
- China
- Prior art keywords
- filter element
- ceramic fiber
- forming die
- element forming
- pipeline
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/0045—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by a process involving the formation of a sol or a gel, e.g. sol-gel or precipitation processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
- B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
- B01D39/2068—Other inorganic materials, e.g. ceramics
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B30/00—Compositions for artificial stone, not containing binders
- C04B30/02—Compositions for artificial stone, not containing binders containing fibrous materials
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Filtering Materials (AREA)
Abstract
The invention discloses a preparation method and a preparation system of a ceramic fiber filter element. The ceramic fiber filter element comprises a feeding device, a filter element forming die, a rotating device, a vacuum tank, a vacuum pump, a feeding pipeline and a discharging pipe; the filter element forming die is a cylinder horizontally supported on the rotating device, and inlets and outlets at two ends of the filter element forming die are rotationally connected with the feeding pipeline and the discharging pipeline through bearings; the feeding device is hermetically connected with the feeding pipeline, the vacuum tank is hermetically connected with the discharging pipeline, and the vacuum tank is hermetically connected with the vacuum pump through a pipeline; a plurality of idler wheels are arranged on the idler wheel frame of the rotating device to rotate and support the filter element forming die, and the motor provides power for the idler wheels. According to the preparation method and the system of the ceramic fiber filter element, the ceramic fiber slurry is injected into the rotary filter element forming die for forming, the thickness of the prepared ceramic fiber filter element is uniform and is 10-15mm, and the method is simple.
Description
Technical Field
The invention relates to the field of ceramic filter elements, in particular to a preparation method of a ceramic fiber filter element, a filter element and a preparation system.
Background
The ceramic filtering material has poor anti-blocking performance and low mechanical strength, and the inherent mechanical strength and the filtering and dust removing effects are mutually restricted, so that the use performance of the ceramic filtering material is greatly limited. The ceramic fiber filter element has excellent heat resistance, thermal shock resistance, higher strength and toughness, higher dust removal efficiency and good gas permeability, and is receiving attention.
However, the production process of the existing ceramic fiber filter element is complex, which results in high cost of the ceramic fiber filter element. For example, chinese patent application CN200420074875.8 discloses a ceramic fiber wound filter element, which is prepared by a winding method. The complexity of the preparation method of the ceramic fiber filter element limits the wide application of the ceramic filter element.
Disclosure of Invention
The invention aims to provide a preparation method of a ceramic fiber filter element, which is simple in manufacturing process and uniform in thickness.
The technical scheme of the invention is as follows:
a preparation method of a ceramic fiber filter element comprises the following steps:
the method comprises the following steps: preparing ceramic fiber slurry: uniformly mixing the following components in parts by mass to prepare ceramic fiber slurry:
ceramic fiber: 8-10 parts; 30% by mass silica sol: 65-70 parts; anionic polyacrylamide: 3-4 parts; water: 13-16 parts;
step two: grouting: rotating a horizontally placed filter element forming mold around a horizontal axis, injecting the prepared ceramic fiber slurry into the filter element forming mold in a rotating state, and performing vacuum filtration;
step three: and (3) sintering: drying the filter element forming die at 80-100 ℃ for 13-15h, and taking out the filter element from the filter element forming die; then calcining the filter element in a vacuum furnace at 900-1000 ℃ for 25-30 min.
Preferably, the rotation speed of the filter element forming die is 50-80r/min, the suction filtration time is 30-40min, and the vacuum suction filtration pressure is not more than-0.08 MPa.
Preferably, the silica sol is refractory silica sol or fine casting silica sol.
Preferably, the ceramic fibers are aluminum silicate fibers.
Preferably, the length of the aluminum silicate fiber is 5-25 cm.
It is another object of the present invention to provide a ceramic fiber filter element prepared by the above method, which has a thickness of 10-15 mm.
Another object of the present invention is to provide a system for preparing the above ceramic fiber filter cartridge, comprising: the device comprises a feeding device, a filter element forming die, a rotating device, a vacuum tank, a vacuum pump, a feeding pipeline and a discharging pipeline; the filter element forming die is a cylinder horizontally supported on the rotating device, two ends of the filter element forming die are respectively fixed by flanges in a sealing way, the flange at one end of the filter element forming die is provided with an inlet, and the flange at the other end of the filter element forming die is provided with an outlet; the inlet and the outlet are respectively and fixedly connected with a bearing, and the bearings are respectively and rotatably connected with the feeding pipeline and the discharging pipeline; the feeding device is hermetically connected with the feeding pipeline, the vacuum tank is hermetically connected with the discharging pipeline, and the vacuum tank is hermetically connected with the vacuum pump through a pipeline; the rotating device comprises a roller frame, a roller and a motor; the filter element forming die is characterized in that a plurality of rollers are arranged on the roller frame, the rollers rotate to support the filter element forming die, and the motor provides rotating power for the rollers.
Preferably, the bottom of the vacuum tank is connected with the feeding device through a pipeline.
Preferably, a stirrer is further arranged on the feeding device.
The invention has the beneficial effects that:
according to the preparation method of the ceramic fiber filter element, the ceramic fiber slurry is injected into the rotary filter element forming die, the ceramic fiber slurry is uniformly coated and formed in the filter element forming die under the action of gravity in the rotating process, and then the ceramic fiber filter element is prepared through drying and calcining. The ceramic fiber filter element manufactured by the method does not need to be wound by fibers, and the manufacturing method is simple. And because ceramic fiber slurry is constantly and evenly distributed for many times in the rotary filter element forming die, the thickness of the manufactured ceramic fiber filter element is uniform, and therefore, the filtering effect of the ceramic fiber filter element is good.
According to the preparation system of the ceramic fiber filter element, the filter element forming die is rotated by arranging the rotating device, so that feeding and coating during rotation are realized, the structure is simple, the preparation is convenient, and the coating is uniform.
Drawings
FIG. 1 is a schematic diagram of a system for preparing a ceramic fiber filter element according to the present invention.
Fig. 2 is a schematic view of the connection of a feed pipe and a discharge pipe with a filter element forming die.
Fig. 3 is a schematic view of the connection between the rotating device and the filter element forming mold.
In the figure: 1. a feeding device; 11. a stirrer; 2. a filter element forming die; 21: an inlet; 22. an outlet; 231. a first flange; 232. a second flange; 241. a first bearing; 242. a second bearing; 3. a rotating device; 31. a roller; 32. a motor; 33. a roller frame; 4. a vacuum tank; 5. a vacuum pump; 6. a feed conduit; 7. a discharge pipeline.
Detailed Description
The preparation method of the ceramic fiber filter element comprises the following steps:
the method comprises the following steps: preparing ceramic fiber slurry: uniformly mixing the following components in parts by mass to prepare ceramic fiber slurry:
ceramic fiber: 8-10 parts; 30% by mass silica sol: 65-70 parts; anionic polyacrylamide: 3-4 parts; water: 13-16 parts;
step two: grouting: rotating a horizontally placed filter element forming mold around a horizontal axis, injecting the prepared ceramic fiber slurry into the filter element forming mold in a rotating state, and performing vacuum filtration;
step three: and (3) sintering: drying the filter element forming die at 80-100 ℃ for 13-15h, and taking out the filter element from the filter element forming die; then calcining the filter element in a vacuum furnace at 900-1000 ℃ for 25-30 min.
The ceramic fiber filter element preparation system of the invention is shown in figure 1; wherein, the schematic view of the connection of the feed pipe and the discharge pipe with the filter element forming die is shown in fig. 2, and the schematic view of the connection of the rotating device with the filter element forming die is shown in fig. 3.
The ceramic fiber filter element preparation system of the invention comprises: the device comprises a feeding device 1, a filter element forming die 2, a rotating device 3, a vacuum tank 4, a vacuum pump 5, a feeding pipeline 6 and a discharging pipeline 7; the filter element forming die 2 is a cylinder horizontally supported on the rotating device 3; two ends of the filter element forming die 2 are respectively fixed by a first flange 231 and a second flange 232 in a sealing way, the flange 231 at one end of the filter element forming die 2 is provided with an inlet 21, and the flange 232 at the other end is provided with an outlet 22; the inlet 21 is fixedly connected with a bearing 241, the outlet 22 is fixedly connected with a bearing 242, the bearing 241 is rotatably connected with the feeding pipeline 6, and the bearing 242 is rotatably connected with the discharging pipeline 7; the feeding device 1 is in sealing connection with the feeding pipeline 6, the vacuum tank 4 is in sealing connection with the discharging pipeline 7, and the vacuum tank 4 is in sealing connection with the vacuum pump 5 through a pipeline. The rotating device 3 is shown in fig. 3 and comprises a roller frame 33, a roller 31 and a motor 32; a plurality of rollers 31 are arranged on the roller frame 33, the rollers 31 rotatably support the filter element forming die 2, and the motor 32 provides rotating power for the rollers 31.
The working principle of the ceramic fiber filter element preparation system is as follows:
in operation, ceramic fiber slurry is loaded into the feeding device 1, the motor 32 is turned on, and the motor 32 rotates the plurality of rollers 31 on the roller frame 33, so that the filter element forming mold 2 supported on the rollers 31 is rotated by a rotational force, and the filter element forming mold 2 rotates in the bearings 241 and 242. Open vacuum pump 5, when 4 pressure stabilizations of vacuum tank, open feeding device 1 and begin reinforced, ceramic fiber thick liquid gets into filter core forming die 2 from entry 21 through charge-in pipeline 6, keep suction filtration and filter core forming die 2's rotation always, like this, the ceramic fiber thick liquid that adds into filter core forming die 2 rotates along with filter core forming die 2, and evenly scribbles in filter core forming die 2 under gravity and vacuum suction filtration effort, unnecessary ceramic fiber thick liquid gets into during ejection of compact pipeline 7 through export 22 through the suction filtration, then get into in vacuum tank 4. After the feeding is finished, the suction filtration is continued and the filter element forming die 2 is kept rotating until the ceramic fiber slurry is coated more uniformly.
Of course, the bottom of the vacuum tank 4 can be provided with a pipeline connected with the feeding device 1, so that the redundant ceramic fiber slurry pumped into the vacuum tank 4 by suction filtration can be returned to the feeding device 1 through the pipeline again, and can be recycled without waste.
Of course, a stirrer 11 may be provided on the charging device 1, so that the charging device 1 can be directly used for batching, and the stirrer can also be used for stirring the ceramic fiber slurry in the charging device 1, so that the ceramic fiber slurry is more uniform. Of course, a well-prepared, uniform slurry of ceramic fibers can also be used in the charging device 1.
The present invention will be described in detail with reference to examples.
Example 1: preparation of a ceramic fiber filter element
Preparing ceramic fiber slurry: weighing 8 parts by mass of aluminum silicate ceramic fiber, wherein the length of the fiber is 5-10 cm; weighing 70 parts by mass of refractory material silica sol solution with the mass concentration of 30%; weighing 4 parts by mass of anionic polyacrylamide; weighing 14 parts by mass of water, and stirring and mixing uniformly.
And (3) loading the prepared ceramic fiber slurry into a feeding device 1, starting a rotating device 3, and driving a horizontally placed filter element forming die 2 to rotate around a horizontal axis by the rotating device 3 at the rotating speed of 50 r/min. And (3) opening the vacuum pump 5, opening the feeding device 1 to start feeding and keep the suction filtration and the filter element forming die 2 to rotate when the pressure of the vacuum tank 4 is stabilized to-0.08 Mpa, and continuing the suction filtration and keeping the filter element forming die 2 to rotate for 30 minutes after the feeding is finished.
The two ends of the filter element forming die 2 are connected with the first flange 231 and the second flange 232 in a loosening manner, the filter element forming die 2 is taken down and placed in an oven with the temperature of 80 ℃ for drying for 13 hours; taking out the filter element from the filter element forming mold; then calcining the mixture in a vacuum furnace at 900 ℃ for 25min, and taking out the filter element. The thickness of the prepared ceramic fiber filter core is 10.0mm through measurement, and the thickness is uniform.
Example 2: preparation of a ceramic fiber filter element
Preparing ceramic fiber slurry: weighing 9 parts by mass of aluminum silicate ceramic fiber, wherein the length of the fiber is 5-15 cm; weighing 65 parts by mass of a 30% mass concentration silica sol solution for precision casting; weighing 3 parts by mass of anionic polyacrylamide; weighing 16 parts by mass of water, and stirring and mixing uniformly.
And (3) loading the prepared ceramic fiber slurry into a feeding device 1, starting a rotating device 3, and driving a horizontally placed filter element forming die 2 to rotate around a horizontal axis by the rotating device 3 at the rotating speed of 80 r/min. And (3) opening the vacuum pump 5, opening the feeding device 1 to start feeding and keep the suction filtration and the filter element forming die 2 to rotate when the pressure of the vacuum tank 4 is stabilized to-0.09 Mpa, and continuing the suction filtration and keeping the filter element forming die 2 to rotate for 40 minutes after the feeding is finished.
The two ends of the filter element forming die 2 are connected with the first flange 231 and the second flange 232 in a loosening manner, the filter element forming die 2 is taken down and placed in a 90 ℃ oven to be dried for 15 hours; taking out the filter element from the filter element forming mold; then calcining the mixture in a vacuum furnace at 1000 ℃ for 25min, and taking out the filter element. The thickness of the prepared ceramic fiber filter core is 12.5mm through measurement, and the thickness is uniform.
Example 3: preparation of a ceramic fiber filter element
Preparing ceramic fiber slurry: weighing 10 parts by mass of aluminum silicate ceramic fibers, wherein the length of the fibers is 5-25 cm; weighing 70 parts by mass of refractory material silica sol solution with the mass concentration of 30%; weighing 4 parts by mass of anionic polyacrylamide; weighing 13 parts by mass of water, and stirring and mixing uniformly.
And (3) loading the prepared ceramic fiber slurry into a feeding device 1, starting a rotating device 3, and driving a horizontally placed filter element forming die 2 to rotate around a horizontal axis by the rotating device 3 at the rotating speed of 70 r/min. And (3) opening the vacuum pump 5, opening the feeding device 1 to start feeding and keep the suction filtration and the filter element forming die 2 to rotate when the pressure of the vacuum tank 4 is stabilized to-0.08 Mpa, and continuing the suction filtration and keeping the filter element forming die 2 to rotate for 30 minutes after the feeding is finished.
The two ends of the filter element forming die 2 are connected with the first flange 231 and the second flange 232 in a loosening manner, the filter element forming die 2 is taken down and is placed in an oven at 100 ℃ for drying for 15 hours; taking out the filter element from the filter element forming mold; then calcining the mixture in a vacuum furnace at 1000 ℃ for 30min, and taking out the filter element. The thickness of the prepared ceramic fiber filter core is 15.0mm through measurement, and the thickness is uniform.
It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. For example, a rotation device is provided in the system for manufacturing the ceramic fiber filter element of the present invention, and those skilled in the art can also use other known methods and apparatuses to realize the rotation of the filter element forming mold. In addition, the technical features related to the embodiments of the present invention described above may be combined with each other as long as they do not conflict with each other. In addition, the above embodiments are only some embodiments, not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work based on the embodiments of the present invention belong to the protection scope of the present invention.
Claims (9)
1. The preparation method of the ceramic fiber filter element is characterized by comprising the following steps of:
the method comprises the following steps: preparing ceramic fiber slurry: uniformly mixing the following components in parts by mass to prepare ceramic fiber slurry:
ceramic fiber: 8-10 parts; 30% by mass silica sol: 65-70 parts; anionic polyacrylamide: 3-4 parts; water: 13-16 parts;
step two: grouting: rotating a horizontally placed filter element forming mold around a horizontal axis, injecting the prepared ceramic fiber slurry into the filter element forming mold in a rotating state, and performing vacuum filtration;
step three: and (3) sintering: drying the filter element forming die at 80-100 ℃ for 13-15h, and taking out the filter element from the filter element forming die; then calcining the filter element in a vacuum furnace at 900-1000 ℃ for 25-30 min.
2. The method for preparing a ceramic fiber filter element according to claim 1, wherein the rotation speed of the filter element forming die is 50-80r/min, the suction filtration time is 30-40min, and the vacuum suction filtration pressure is not more than-0.08 Mpa.
3. The method of claim 1, wherein the silica sol is a refractory silica sol or a precision cast silica sol.
4. The method of making a ceramic fiber filter element according to claim 1, wherein the ceramic fibers are aluminum silicate fibers.
5. The method of making a ceramic fiber filter element as defined in claim 4, wherein said aluminum silicate fibers have a length of 5-25 cm.
6. A filter element obtained by the method of manufacturing a ceramic fiber filter element as recited in any one of claims 1 to 5, wherein the filter element has a thickness of 10-15 mm.
7. A system for making a ceramic fiber filter element as recited in claim 6, comprising: the device comprises a feeding device, a filter element forming die, a rotating device, a vacuum tank, a vacuum pump, a feeding pipeline and a discharging pipeline;
the filter element forming die is a cylinder horizontally supported on the rotating device, two ends of the filter element forming die are respectively fixed by flanges in a sealing way, the flange at one end of the filter element forming die is provided with an inlet, and the flange at the other end of the filter element forming die is provided with an outlet; the inlet and the outlet are respectively and fixedly connected with a bearing, and the bearings are respectively and rotatably connected with the feeding pipeline and the discharging pipeline;
the feeding device is hermetically connected with the feeding pipeline, the vacuum tank is hermetically connected with the discharging pipeline, and the vacuum tank is hermetically connected with the vacuum pump through a pipeline;
the rotating device comprises a roller frame, a roller and a motor; the filter element forming die is characterized in that a plurality of rollers are arranged on the roller frame, the rollers rotate to support the filter element forming die, and the motor provides rotating power for the rollers.
8. The system of claim 7, wherein the vacuum tank bottom is coupled to the feed device via a line.
9. A system for preparing a ceramic fiber filter element as claimed in claim 7 or 8, wherein an agitator is further provided on the feeding means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911236161.XA CN110922201B (en) | 2019-12-05 | 2019-12-05 | Preparation method of ceramic fiber filter element, filter element and preparation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911236161.XA CN110922201B (en) | 2019-12-05 | 2019-12-05 | Preparation method of ceramic fiber filter element, filter element and preparation system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110922201A true CN110922201A (en) | 2020-03-27 |
| CN110922201B CN110922201B (en) | 2021-11-30 |
Family
ID=69857243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911236161.XA Active CN110922201B (en) | 2019-12-05 | 2019-12-05 | Preparation method of ceramic fiber filter element, filter element and preparation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110922201B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114804808A (en) * | 2022-05-30 | 2022-07-29 | 南京赤博环保科技有限公司 | Ceramic fiber filter element and preparation process thereof |
| WO2023284158A1 (en) * | 2021-07-12 | 2023-01-19 | 浙江致远环境科技有限公司 | Method for adjusting grouting parameter of slurry for preparing ceramic composite fiber catalytic filter tube, and method and apparatus for preparing a ceramic composite fiber catalytic filter tube |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2007496A1 (en) * | 2006-03-31 | 2008-12-31 | LG Chemical Limited | Ceramic filter comprising clay and process for preparing thereof |
| CN101954225A (en) * | 2010-10-22 | 2011-01-26 | 合肥丰德科技有限公司 | Vacuum filtration molding equipment and molding method thereof |
| CN101966410A (en) * | 2010-10-22 | 2011-02-09 | 合肥丰德科技有限公司 | Preparation method of high temperature resistant ceramic fiber gas filter material |
| CN108434870A (en) * | 2018-03-27 | 2018-08-24 | 江苏天雅环保科技有限公司 | Filer element type carrier and preparation method thereof, loaded catalyst and preparation method thereof |
| CN109734461A (en) * | 2019-02-27 | 2019-05-10 | 盐城飞潮环保技术有限公司 | A kind of preparation method of pyroceram fibre screen pipe |
| CN110038368A (en) * | 2019-04-17 | 2019-07-23 | 合肥合意环保科技工程有限公司 | A kind of ceramic fibre chimney filter, preparation method and pressurization suction molding machine |
| CN110384980A (en) * | 2019-07-25 | 2019-10-29 | 中国科学院过程工程研究所 | A kind of application of the catalyzed filter element and preparation method thereof with device and device |
-
2019
- 2019-12-05 CN CN201911236161.XA patent/CN110922201B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2007496A1 (en) * | 2006-03-31 | 2008-12-31 | LG Chemical Limited | Ceramic filter comprising clay and process for preparing thereof |
| CN101954225A (en) * | 2010-10-22 | 2011-01-26 | 合肥丰德科技有限公司 | Vacuum filtration molding equipment and molding method thereof |
| CN101966410A (en) * | 2010-10-22 | 2011-02-09 | 合肥丰德科技有限公司 | Preparation method of high temperature resistant ceramic fiber gas filter material |
| CN108434870A (en) * | 2018-03-27 | 2018-08-24 | 江苏天雅环保科技有限公司 | Filer element type carrier and preparation method thereof, loaded catalyst and preparation method thereof |
| CN109734461A (en) * | 2019-02-27 | 2019-05-10 | 盐城飞潮环保技术有限公司 | A kind of preparation method of pyroceram fibre screen pipe |
| CN110038368A (en) * | 2019-04-17 | 2019-07-23 | 合肥合意环保科技工程有限公司 | A kind of ceramic fibre chimney filter, preparation method and pressurization suction molding machine |
| CN110384980A (en) * | 2019-07-25 | 2019-10-29 | 中国科学院过程工程研究所 | A kind of application of the catalyzed filter element and preparation method thereof with device and device |
Non-Patent Citations (2)
| Title |
|---|
| 唐婕等: "《环保陶瓷生产与应用》", 31 January 2018, 中国建材工业出版社 * |
| 蔺锡柱等: ""硅酸铝陶瓷纤维过滤管的制备与表征"", 《山东陶瓷》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023284158A1 (en) * | 2021-07-12 | 2023-01-19 | 浙江致远环境科技有限公司 | Method for adjusting grouting parameter of slurry for preparing ceramic composite fiber catalytic filter tube, and method and apparatus for preparing a ceramic composite fiber catalytic filter tube |
| CN114804808A (en) * | 2022-05-30 | 2022-07-29 | 南京赤博环保科技有限公司 | Ceramic fiber filter element and preparation process thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110922201B (en) | 2021-11-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110922201B (en) | Preparation method of ceramic fiber filter element, filter element and preparation system | |
| CN104399885B (en) | Method for increasing permeability of investment cast ceramic shell | |
| CN111254755B (en) | Centrifugal auxiliary vacuum filtration forming system of ceramic fiber perforated pipe | |
| CN107213722A (en) | Automatic dedusting filtering device | |
| CN206897058U (en) | A kind of automatic dedusting filtering device | |
| CN101954225B (en) | Vacuum filtration molding equipment and molding method thereof | |
| EP0843654B1 (en) | Ceramic filter media manufacturing process | |
| CN109203508A (en) | Horizontal centrifugal forming device and forming process for fiber tube | |
| CN208230789U (en) | Mixing device is used in a kind of casting | |
| CN214561841U (en) | Vacuum mixing and pipe extruding all-in-one machine | |
| CN215917406U (en) | Polycarboxylic acid high performance water reducing agent polymerization equipment | |
| CN208933747U (en) | Horizontal centrifugal forming device for fiber tube | |
| CN214980169U (en) | Deburring device for steel processing | |
| CN211612465U (en) | Magnetic powder material mixing and stirring device | |
| CN210058114U (en) | Compound automatic sand mixing device for fiber composite silica sol shell | |
| CN220417926U (en) | Microcapsule surface drying device | |
| CN209997557U (en) | Coating stirring equipment for fiber composite silica sol shell | |
| CN216514277U (en) | Spinneret plate cleaning device | |
| CN105536365A (en) | Manufacturing method of polyethylene filter body | |
| CN220004573U (en) | Pipe die spraying equipment for pipe core pouring | |
| CN114042381B (en) | MBR (Membrane bioreactor) membrane intelligent conveying system and using method thereof | |
| CN218740432U (en) | Filter basket type vacuum filtering, washing and drying equipment | |
| CN217661979U (en) | Nylon salt liquid separation device | |
| CN211384050U (en) | Filter equipment that chemistry chemical industry was used | |
| CN220052264U (en) | Steel bushing steel heat preservation pipe heat preservation material pouring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |