CN103467075B - Preparation method of kieselguhr ceramic filter cartridge - Google Patents
Preparation method of kieselguhr ceramic filter cartridge Download PDFInfo
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- CN103467075B CN103467075B CN201310395022.8A CN201310395022A CN103467075B CN 103467075 B CN103467075 B CN 103467075B CN 201310395022 A CN201310395022 A CN 201310395022A CN 103467075 B CN103467075 B CN 103467075B
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Abstract
The invention relates to a preparation method of a kieselguhr ceramic filter cartridge. The method comprises the following steps of (1) weighing the following raw materials by mass percent: 93% to 97% of kieselguhr, 1% to 5% of fluxing pore-enlarging agent, 1% to 5% of adhesive and 0.1% to 1% of embryonic body enhancer and putting the raw materials into a stirrer to be mixed evenly by adding water after the starting of the stirrer; (2) pelleting the raw materials; (3) performing extrusion molding on an embryonic model of the ceramic filter cartridge by using a molding machine and drying the embryonic model in the air; (4) roasting; (5) firing; and (6) polishing and removing powder. Other minerals are not contained in the raw materials for preparing the kieselguhr ceramic filter cartridge, so that the injury to a human body, caused by harmful chemical elements, is avoided. In addition, the filtration precision of the kieselguhr ceramic filter cartridge is high, so that a good filtration effect is obtained. The preparation method is in the extrusion molding manner, so that the trouble caused by manufacturing the models in different shapes is avoided, which is favorable for a manufacturer to improve the production efficiency. The preparation method is short in time spending. As a result, the market competitiveness of the kieselguhr ceramic filter cartridge is further improved.
Description
Technical field
The present invention relates to ceramic element technical field, specifically refer to a kind of preparation method of Diatomite ceramic filter core.
Background technology
As the energy saving and environment friendly filter core of one, Diatomite ceramic filter core receives people because of its good treatment function and more and more pays close attention to.Chinese patent publication No. is that the patent of invention " Diatomite ceramic filter core and preparation method thereof " of CN101948301A discloses a kind of reusable energy-conserving and environment-protective filter core, this ceramic element has good treatment function, but its preparation process is numerous and diverse, in preparation process, only oven dry and calcining step will spend at least 9 days time, at the bottom of production efficiency, reduce the competitiveness of product in market, Chinese patent publication No. is that to disclose a kind of main component be diatomaceous ceramic element to the patent of invention " a kind of ceramic element " of CN102824789A, this material has good Antimicrobial preservative effect, but its filtering accuracy is 0.1 μm ~ 1 μm, and filtering accuracy is on the low side, and filter effect has much room for improvement, for this problem, Chinese patent publication No. is that the patent of invention " a kind of diatomaceous micropore ceramic filter cartridge and preparation method thereof " of CN101397215A discloses the diatomaceous micropore ceramic filter cartridge that a kind of filtering accuracy reaches 0.1 μm ~ 0.5 μm, this ceramic element meets the standard of health ministry " Drinking Water transmission & distribution equipment and protective materials safety and sanitation value disciplines " (2001), effectively can process drinking water quality, but adopt injection forming or compressing in the preparation process of this material, this just needs to need to prepare difform mould according to client in advance, for manufacturer brings inconvenience, in addition, traditional Diatomite ceramic filter core is mainly made up of diatomite and other mineral matters such as compositions such as zeolite, shell, clay, although such ceramic element has higher apparent porosity and less channel diameter, but because it contains other more mineral matters, inevitably contain the disadvantageous chemical element of health in these mineral matters, as copper, lead, Cr VI etc., so the use of such ceramic element is often very limited.Therefore, for current Diatomite ceramic filter core, await further improvement.
Summary of the invention
Technical problem to be solved by this invention is the present situation for prior art, provides that a kind of preparation time is short, filtering accuracy is high, convenient formation and the preparation method of harmless Diatomite ceramic filter core.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of preparation method of Diatomite ceramic filter core, it is characterized in that comprising the following steps:
(1) by the mass ratio of each component be diatomite 93% ~ 97%, expanding agent 1% ~ 5% of fluxing, adhesive 1% ~ 5%, idiosome reinforcing agent 0.1% ~ 1% take raw material, the raw material weighed up is added agitator, and after injecting water, each component mixes by turn on agitator;
(2) the above-mentioned raw material be uniformly mixed is transferred to comminutor, opens comminutor and carry out granulation;
(3) raw material that granulation completes is added in forming machine, by forming machine, the embryonic type of ceramic element is carried out extrusion molding, shaping embryonic type is blocked and is put on shelf and dries;
(4) above-mentioned embryonic type of drying is moved into baking oven to toast;
(5) above-mentioned roasted embryonic type is put into high temperature furnace to fire;
(6) after the above-mentioned product fired being cut into required size, powder is removed in polishing again, namely obtains described Diatomite ceramic filter core.
As improvement, above-mentioned steps (4) toasts to complete for 1 day at 70 ~ 90 DEG C, and preferable temperature is 80 DEG C.
Improve again, above-mentioned steps (5) is specially: above-mentioned roasted embryonic type is put into high temperature furnace, heats up, be incubated 2h after being warming up to 1100 ~ 1200 DEG C with the speed of 70 ~ 75 DEG C/h, then with the cooling of the speed of 130 ~ 140 DEG C/h, after temperature is down to 80 DEG C, product is shifted out high temperature furnace.
As preferably, in described step (1), the mass ratio of each component is diatomite 95%, expanding agent 2% of fluxing, adhesive 2.5%, idiosome reinforcing agent 0.5%.
The main component sodium metasilicate of described expanding agent of fluxing, described adhesive adopts modified starch to dissolve 10 times in its water, and the NaOH modulation adding 0.5% forms, and the main component of described idiosome reinforcing agent is calcium oxide.
Compared with prior art, the invention has the advantages that: not containing other mineral matters in the Diatomite ceramic filter core that method provided by the invention is made, avoid the infringement of harmful chemicals element to human body, can ensure that the filtering accuracy of Diatomite ceramic filter core is between 0.15 μm ~ 0.5 μm, can reach good filter effect; And, Diatomite ceramic filter core preparation method of the present invention adopts extrusion molding, avoid the trouble making difformity model and bring, be conducive to manufacturer to enhance productivity, and the calcining institute spended time of step (5) is shorter in this preparation method, within general about one day, just can complete, further increase the competitiveness of product in market.
Accompanying drawing explanation
Fig. 1 is the flow chart of the preparation method of Diatomite ceramic filter core in the embodiment of the present invention.
Detailed description of the invention
The present invention is described in further detail below.
Present embodiments provide a kind of preparation method of Diatomite ceramic filter core, comprise the following steps:
(1) by the mass ratio of each component be diatomite 95%, expanding agent 2% of fluxing, adhesive 2.5%, idiosome reinforcing agent 0.5% take raw material, and the raw material weighed up is added agitator, after injecting water, each component mixes by turn on agitator;
(2) the above-mentioned raw material be uniformly mixed is transferred to comminutor, opens comminutor and carry out granulation;
(3) raw material that granulation completes is added in forming machine, by forming machine, the embryonic type of ceramic element is carried out extrusion molding, shaping embryonic type is blocked and is put on shelf and dries;
(4) above-mentioned embryonic type of drying is moved into baking oven to toast 1 day at 80 DEG C;
(5) above-mentioned roasted embryonic type is put into high temperature furnace, heat up with the speed of 72 DEG C/h, after being warming up to 1160 DEG C, be incubated 2h, then with the cooling of the speed of 135 DEG C/h, after temperature is down to 80 DEG C, product is shifted out high temperature furnace;
(6) after the above-mentioned product fired being cut into required size, powder is removed in polishing again, namely obtains described Diatomite ceramic filter core.
Last according to client's needs, the Diatomite ceramic filter core of above-mentioned preparation is carried out assembly packaging, puts in storage after the assay was approved.
In the present embodiment, described in flux the main component sodium metasilicate of expanding agent, described adhesive adopts modified starch to dissolve 10 times in its water, and the NaOH modulation adding 0.5% forms, and the main component of described idiosome reinforcing agent is calcium oxide.Flux expanding agent 2%, adhesive 2.5%, idiosome reinforcing agent 0.5% after high-temperature calcination, substantially can be evaporated completely, therefore the cost ceramic filter core obtained, its diatomite content is very high, not containing other mineral matters, avoid the infringement of harmful chemicals element to human body, can also ensure that the filtering accuracy of Diatomite ceramic filter core is between 0.15 μm ~ 0.5 μm, can reach good filter effect.
Claims (4)
1. a preparation method for Diatomite ceramic filter core, is characterized in that comprising the following steps:
(1) by the mass ratio of each component be diatomite 93% ~ 97%, expanding agent 1% ~ 5% of fluxing, adhesive 1% ~ 5%, idiosome reinforcing agent 0.1% ~ 1% take raw material, the raw material weighed up is added agitator, and after injecting water, each component mixes by turn on agitator; The main component of described expanding agent of fluxing is sodium metasilicate, and described adhesive adopts modified starch to dissolve 10 times in its water, and the NaOH modulation adding 0.5% forms, and the main component of described idiosome reinforcing agent is calcium oxide;
(2) the above-mentioned raw material be uniformly mixed is transferred to comminutor, opens comminutor and carry out granulation;
(3) raw material that granulation completes is added in forming machine, by forming machine, the embryonic type of ceramic element is carried out extrusion molding, shaping embryonic type is blocked and is put on shelf and dries;
(4) above-mentioned embryonic type of drying is moved into baking oven baking;
(5) above-mentioned roasted embryonic type is put into high temperature furnace to fire; Heat up with the speed of 70 ~ 75 DEG C/h, after being warming up to 1100 ~ 1200 DEG C, be incubated 1 ~ 3h, then with the cooling of the speed of 130 ~ 140 DEG C/h, after temperature is down to 80 DEG C, product is shifted out high temperature furnace;
(6) after the above-mentioned product fired being cut into required size, powder is removed in polishing again, namely obtains described Diatomite ceramic filter core.
2. the preparation method of Diatomite ceramic filter core according to claim 1, is characterized in that: described step (4) toasts the time at 70 ~ 90 DEG C.
3. the preparation method of Diatomite ceramic filter core according to claim 2, is characterized in that: described step (4) is toasted 1 day at 80 DEG C.
4. the preparation method of Diatomite ceramic filter core according to claim 1, is characterized in that: in described step (1), and the mass ratio of each component is diatomite 95%, expanding agent 2% of fluxing, adhesive 2.5%, idiosome reinforcing agent 0.5%.
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| CN201310395022.8A CN103467075B (en) | 2013-09-03 | 2013-09-03 | Preparation method of kieselguhr ceramic filter cartridge |
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| CN201310395022.8A CN103467075B (en) | 2013-09-03 | 2013-09-03 | Preparation method of kieselguhr ceramic filter cartridge |
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| CN103467075B true CN103467075B (en) | 2015-02-25 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104016705A (en) * | 2014-06-17 | 2014-09-03 | 深圳市智瓷科技有限公司 | Preparation method of environment-friendly ceramic filter element |
| CN104944911A (en) * | 2015-06-04 | 2015-09-30 | 潮州市华中陶瓷实业有限公司 | Ceramic water filter core and preparation method thereof |
| CN106699223B (en) * | 2016-11-26 | 2020-02-28 | 宁波清水坊环保科技有限公司 | Ceramic water purification filter element and preparation method thereof |
| CN110683839A (en) * | 2019-10-25 | 2020-01-14 | 深圳麦克韦尔科技有限公司 | Porous ceramic and preparation method and application thereof |
| CN110713379B (en) * | 2019-12-02 | 2023-01-24 | 湖南福美来电子陶瓷有限公司 | Porous ceramic atomizing core and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1046684A (en) * | 1989-04-24 | 1990-11-07 | 四平硅藻土过滤器材联合厂 | With diatomite is the microporous filtering ceramic of matrix |
| CN102101773A (en) * | 2010-11-26 | 2011-06-22 | 新时代健康产业（集团）有限公司 | Activating ceramic core, preparation method thereof, container having same and preparation method of container |
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2013
- 2013-09-03 CN CN201310395022.8A patent/CN103467075B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1046684A (en) * | 1989-04-24 | 1990-11-07 | 四平硅藻土过滤器材联合厂 | With diatomite is the microporous filtering ceramic of matrix |
| CN102101773A (en) * | 2010-11-26 | 2011-06-22 | 新时代健康产业（集团）有限公司 | Activating ceramic core, preparation method thereof, container having same and preparation method of container |
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