CN100360211C - Method for producing natural mineral adsorption ceramic plate - Google Patents
Method for producing natural mineral adsorption ceramic plate Download PDFInfo
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- CN100360211C CN100360211C CNB2006100407174A CN200610040717A CN100360211C CN 100360211 C CN100360211 C CN 100360211C CN B2006100407174 A CNB2006100407174 A CN B2006100407174A CN 200610040717 A CN200610040717 A CN 200610040717A CN 100360211 C CN100360211 C CN 100360211C
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Abstract
The present invention discloses a producing method for natural mineral adsorption ceramic piece, which adopts natural mineral adsorption filtering agent as raw materials of natural mineral adsorption ceramic piece, after water is added for humidifying, pressing into an object in the shape of a disk sheet, finished products are obtained after drying, baking and cooling. Labyrinth type micropores which are mutually communicated are overspread in the natural mineral adsorption ceramic piece, which is good for biologic bacterium absorbed on the inner part for growth and reproduction and reduces ammonia nitrogen content of a breed water body, the oxygen content of the breed water body can be increased by an aeration treatment technology. The present invention has the advantages of quickly filtration velocity, strongly sewage interception ability. The present invention can adsorb various harmful substances generated by biological metabolism, and heavy metal in water, which is suitable for a water quality purification technology of the breed water body, and is also suitable for other water quality conditioning technology.
Description
Technical field:
The present invention relates to the sheet of making pottery, be specifically related to a kind of production method of natural mineral adsorption ceramic plate.
Background technology:
For production efficiency and the economic benefit that improves breeding water body, plant takes the high density intensive culture mostly, the balanced capacity of water ecosystem is limited, the high density intensive culture, a large amount of bait throwing in easily cause water body dissolved oxygen deficiency, cause and produce a large amount of organic matters in the water, algal grown is too fast, water colour changes greatly, and the pH value is unstable, and ammonia-nitrogen content exceeds standard.For making the limited maximum production capacity of breeding water body performance, must keep good water quality environment condition, this just must solve by loose, the corrupt water pollutions that caused of organic matter such as residual bait and excreta, minimizing is owing to the excessive harm that causes of harmful substance, the raising culture benefit.
In the process for purifying of breeding water body, begun to use the pottery sheet to carry out purification of water quality, Gong Ying pottery sheet has ceramic pottery sheet and quartz sand pottery sheet in the market, the material of these pottery sheets is made up of raw materials such as potter's clay, quartz sand and strings, absorption property is relatively poor in actual applications, biofilm efficient is low, is unfavorable for the growth and breeding of biological bacteria, can not effectively reduce the ammonia-nitrogen content of breeding water body.
Chinese patent publication number CN1594223, open day is on March 16th, 2005, name is called " a kind of production method that is applied to the porous filtering pottery of water treatment ", it discloses " a kind of production method that is applied to the porous filtering pottery of water treatment, it comprises batching, slurry and foams mix, irritates operations such as mould, high temperature sintering; The employed mould of production method of the present invention can adopt common plastics to make, thereby can reduce the cost of mould, correspondingly can reduce production cost of products, improves the competitiveness of product in market; The present invention is widely used in culturing the water treatment field of industry ".
The foregoing invention weak point is:
1, porous ceramics just contains concavo-convex rod in the base, is putting into kiln at 1000-1500 ℃ scope constant temperature sintering after 3-5 hour, and the crystal structure of concavo-convex rod has suffered serious destruction, greatly reduces the absorption property of concavo-convex rod.
2, cement, gypsum, quartz sand and the concavo-convex rod in the batching put into kiln at 1000-1500 ℃ scope constant temperature sintering after 3-5 hour, be molten condition, the bubble that foaming agent produced and the space that forms will significantly reduce, therefore can cause retaining power not strong, biofilm efficient is lower, the growth and breeding that is unfavorable for biological bacteria can not effectively reduce the ammonia-nitrogen content of breeding water body.
Summary of the invention:
The objective of the invention is to overcome weak point in the prior art, provide a kind of production technology simple, all relatively good, the biofilm efficient height of absorption property effect, help the production method of the natural mineral adsorption ceramic plate of biological bacteria growth and breeding.
The production method of natural mineral adsorption ceramic plate is: select the raw material of natural-minerals adsorptive filter medium for use as natural mineral adsorption ceramic plate, add water moistening after, be pressed into the disk board, through drying, being finished product after the roasting, cooling.
One, the preparation method of natural-minerals adsorptive filter medium:
1, zeolite, Concave-convex clay rod acidifying after, bentonite acidifying after, diatomite acidifying after, volcanic rock and the alumine of natural-minerals adsorptive filter medium after by acidifying formed.
Zeolite can be selected some heavy metal of exchange, can be used for removing heavy metal ion, zeolite has very big specific area, can produce bigger extension, be outstanding adsorbent, and it not only can regulate water quality zeolite, remove the harmful substance in the water body, and mycotoxin had detoxification, the growth and breeding of useful biological bacteria in can also promoting in the breeding water body is to reduce the ammonia-nitrogen content of breeding water body.Zeolite behind acidifying and the high-temperature activation contains a large amount of holes, nutrients can be adsorbed in its a large amount of hole, directly award the breeding place of planktonic organism the best, keep the stable and content of microorganisms of water colour, because zeolite has very strong suction-operated, organic, harmful substance can be adsorbed in the hole of zeolite.
Concave-convex clay rod soil property exquisiteness, smooth surface, be viscosity and plasticity when moist, its viscosity can reach more than the 3000mPas, and dry contraction is little, and do not produce be full of cracks, help making pottery bonding between the tablet raw material, the hardness of Concave-convex clay rod is Mohs 2～3 degree, when sintering temperature reaches 450～650 ℃, the hardness of Concave-convex clay rod rises to Mohs 5～6 degree, can guarantee the active strength of natural-minerals adsorptive filter medium; After the Concave-convex clay rod acidification, specific area can reach 350m
2More than/the g, its absorption property is greatly improved.
Bentonite has the higher porosity that divided, and higher plasticity and stronger caking property are arranged, and hot green tensile strength and dry-pressing intensity are higher; Stronger cation exchange capacity (CEC) is arranged, all gases, liquid, organic substance are had certain adsorption capacity, maximal absorptive capacity can reach 5 times of weight to it, and the bentonite after the acidification can be adsorbed with color substance.
The diatomite mineral deposit belongs to the siliceous rock biochemical deposit origin cause of formation, be by the accumulation of Diatomeae animal and other biological siliceous skeleton part and thereupon transformation form, because diatomite has characteristics such as exquisiteness, loose, light weight, porous, suction and permeability are strong, diatomite after the acidification, its special structure structure makes it have many special technique and physical property has obtained further raising, as big porosity, stronger adsorptivity, and certain intensity is arranged.
Volcanic rock is a kind of coarse, lightweight, porous and the higher ore of water absorption rate that the volcanic eruption overflow forms, and can improve the performance of its absorption biofilm.
Alumine is through after the roasting, and its inner crystallization water, constitution water, attached water overflow, and by dredging, pine, softly becoming fine and close hardly, helps increasing the bulk strength of pottery sheet on the structure.
2, acidification:
The preparation of dilute sulfuric acid comprises following component by weight percentage: the sulfuric acid 3～10% of concentration 98%, water 90～97%;
The batching of acidification comprises following component by weight percentage: various raw mineral materials are respectively 55～65%, dilute sulfuric acid 35～45%; Dilute sulfuric acid is slowly added in zeolite, Concave-convex clay rod, bentonite and the diatomite respectively, carry out acidification.
After various raw materials after the acidifying are stacked 24～48 hours, push by extruder respectively and be tablet, the THICKNESS CONTROL of tablet is at 2～3 millimeters, and carries out airing respectively, and the tablet after the airing is moisture should be less than 15%.
Natural-minerals adsorptive filter medium comprises following batching according to percentage by weight: on the zeolite 15～35% after the acidifying, the Concave-convex clay rod 15～35% after the acidifying, the bentonite 15～25% after the acidifying, the diatomite 10～20% after the acidifying, volcanic rock 5～10% and the high alumina alum 5～10%;
The preparation method of natural-minerals adsorptive filter medium is: with pulverizing with pulverizer after the batch mixes of above-mentioned natural-minerals adsorptive filter medium is irregular particle, and after screening, grain fineness is controlled at 0.074～0.105 millimeter.
Natural-minerals adsorptive filter medium has been applied for patent of invention in addition.
Two, the present invention is achieved by following technical proposals:
The production method of natural mineral adsorption ceramic plate, it is characterized in that, to use water-moistened natural-minerals adsorptive filter medium, and add in the pottery die, the working pressure machine is pressed into the semi-finished product of natural mineral adsorption filter pottery sheet, send into to dry and carry out nature in the room and dry, after half-finished water content is less than 13%, semi-finished product are transported to carry out roasting in the calcining kiln, roasting time is 6～10 hours, sintering temperature is controlled at 450～650 ℃, and the cooling back is the finished product of natural mineral adsorption filter pottery sheet;
Comprise following component in the water-moistened natural-minerals adsorptive filter medium of described usefulness by weight percentage: natural-minerals adsorptive filter medium 75～95%, water 5～25%;
Described natural mineral adsorption ceramic plate is a kind of disk board, and there is 1 through hole at the center of pottery sheet, with rope big right mineral adsorption ceramic plate after interspersed the connection, is suspended in the water.
Natural mineral adsorption ceramic plate inside is covered with the labyrinth type micropore of mutual UNICOM, have the advantages that specific area is big, absorption property good, biofilm efficient is high, the labyrinth type micropore helps biological bacteria and is adsorbed on its inside and carries out growth and breeding, reduce the ammonia-nitrogen content of breeding water body, by quick-fried gas disposal technology, can improve the oxygen content of breeding water body, natural mineral adsorption ceramic plate can also adsorb because various harmful substances that biological metabolism produced and the heavy metal in the water.
Natural mineral adsorption ceramic plate intensity height, strong, the low temperature resistant easy to be filmed of capacity of resisting impact load, anti-flushing is wear-resistant, the backwash energy consumption is low.
Natural mineral adsorption ceramic plate is applicable to the water purifying process of breeding water body, also is applicable to other water conditioning process.
Description of drawings:
Fig. 1 is the schematic diagram of natural mineral adsorption ceramic plate, and Fig. 2 is that the A of Fig. 1 is to view.
Among the figure: 1. being natural mineral adsorption ceramic plates, 2. is central through holes of natural mineral adsorption ceramic plate.
The specific embodiment:
Below in conjunction with embodiment, the invention will be further described:
One, the preparation method of natural-minerals adsorptive filter medium:
1, acidification:
1. the acidification of zeolite:
Earlier zeolite is pulverized, grain fineness is controlled at 0.5～0.8 millimeter; The preparation of dilute sulfuric acid comprises following component by weight percentage: the sulfuric acid 4% of concentration 98%, water 96%; The batching of acidification comprises following component by weight percentage: zeolite 60%, dilute sulfuric acid 40%; Dilute sulfuric acid slowly added carry out acidification in the zeolite, stack after 24 hours to push by extruder and be tablet, the THICKNESS CONTROL of tablet is at 2～3 millimeters, and carries out airing, and the tablet after the airing is moisture should be less than 15%.
2. the acidification of Concave-convex clay rod:
Earlier Concave-convex clay rod is pulverized, grain fineness is controlled at 0.5～1.0 millimeter; The preparation of dilute sulfuric acid comprises following component by weight percentage: the sulfuric acid 3% of concentration 98%, water 97%; The batching of acidification comprises following component by weight percentage: Concave-convex clay rod 55%, dilute sulfuric acid 45%; Dilute sulfuric acid slowly added carry out acidification in the Concave-convex clay rod, stack after 24 hours to push by extruder and be tablet, the THICKNESS CONTROL of tablet is at 2～3 millimeters, and carries out airing, and the tablet after the airing is moisture should be less than 15%.
3. bentonitic acidification:
Earlier bentonite is pulverized, grain fineness is controlled at 0.5～1.0 millimeter; The preparation of dilute sulfuric acid comprises following component by weight percentage: the sulfuric acid 8% of concentration 98%, water 92%; The batching of acidification comprises following component by weight percentage: bentonite 55%, dilute sulfuric acid 45%; Dilute sulfuric acid slowly added carry out acidification in the POLARGEL NF, stack after 24 hours to push by extruder and be tablet, the THICKNESS CONTROL of tablet is at 2～3 millimeters, and carries out airing, and the tablet after the airing is moisture should be less than 15%.
4. diatomaceous acidification:
Earlier diatomite is pulverized, grain fineness is controlled at 0.5～1.0 millimeter; The preparation of dilute sulfuric acid comprises following component by weight percentage: the sulfuric acid 6% of concentration 98%, water 94%; The batching of acidification comprises following component by weight percentage: diatomite 55%, dilute sulfuric acid 45%; Dilute sulfuric acid slowly added carry out acidification in the diatomite, stack after 24 hours to push by extruder and be tablet, the THICKNESS CONTROL of tablet is at 2～3 millimeters, and carries out airing, and the tablet after the airing is moisture should be less than 15%.
2, natural-minerals adsorptive filter medium comprises following batching according to percentage by weight: the zeolite 20% after the acidifying, the Concave-convex clay rod 30% after the acidifying, the bentonite 20% after the acidifying, the diatomite 15% after the acidifying, volcanic rock 8% and alumine 7%.
3, the preparation method of natural-minerals adsorptive filter medium is: with pulverizing with pulverizer after the batch mixes of above-mentioned natural-minerals adsorptive filter medium is irregular particle, and after screening, grain fineness is controlled at 0.074～1.105 millimeter.
Two, the production method of natural mineral adsorption ceramic plate:
The production method of natural mineral adsorption ceramic plate (1), it is characterized in that, to use water-moistened natural-minerals adsorptive filter medium, add in the pottery die, the working pressure machine is pressed into the semi-finished product of natural mineral adsorption filter pottery sheet (1), send into to dry and carry out nature in the room and dry, after half-finished water content is less than 13%, semi-finished product are transported to carry out roasting in the calcining kiln, roasting time is 6～10 hours, sintering temperature is controlled at 450～650 ℃, and the cooling back is the finished product of natural mineral adsorption filter pottery sheet (1);
Comprise following component in the water-moistened natural-minerals adsorptive filter medium of described usefulness by weight percentage: natural-minerals adsorptive filter medium 85%, water 15%;
Described natural mineral adsorption ceramic plate (1) is a kind of disk board, and there is 1 through hole (2) at the center of pottery sheet.
Claims (1)
1, a kind of production method of natural mineral adsorption ceramic plate, it is characterized in that, to use water-moistened natural-minerals adsorptive filter medium, add in the pottery die, the working pressure machine is pressed into the semi-finished product of natural mineral adsorption filter pottery sheet, send into to dry and carry out nature in the room and dry, after half-finished water content is less than 13%, semi-finished product are transported to carry out roasting in the calcining kiln, roasting time is 6～10 hours, sintering temperature is controlled at 450～650 ℃, and the cooling back is the finished product of natural mineral adsorption filter pottery sheet;
Comprise following component in the water-moistened natural-minerals adsorptive filter medium of described usefulness by weight percentage: natural-minerals adsorptive filter medium 75～95%, water 5～25%;
Described natural mineral adsorption ceramic plate is a kind of disk board, and there is 1 through hole at the center of pottery sheet;
Described natural-minerals adsorptive filter medium comprises following batching according to percentage by weight: the zeolite 15～35% after the acidifying, the Concave-convex clay rod 15～35% after the acidifying, the bentonite 15～25% after the acidifying, the diatomite 10～20% after the acidifying, volcanic rock 5～10% and alumine 5～10%;
The preparation method of described natural-minerals adsorptive filter medium is: with pulverizing with pulverizer after the batch mixes of above-mentioned natural-minerals adsorptive filter medium is irregular particle, and after screening, grain fineness is controlled at 0.074～0.105 millimeter.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2006100407174A CN100360211C (en) | 2006-05-30 | 2006-05-30 | Method for producing natural mineral adsorption ceramic plate |
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| CNB2006100407174A CN100360211C (en) | 2006-05-30 | 2006-05-30 | Method for producing natural mineral adsorption ceramic plate |
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| CN1883752A CN1883752A (en) | 2006-12-27 |
| CN100360211C true CN100360211C (en) | 2008-01-09 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4534775A (en) * | 1982-03-02 | 1985-08-13 | General Time Corp. | Air treatment filter element and air treatment filter |
| CN1594223A (en) * | 2004-06-24 | 2005-03-16 | 林震能 | Method for producing porous filtering ceramic used for water treatment |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4534775A (en) * | 1982-03-02 | 1985-08-13 | General Time Corp. | Air treatment filter element and air treatment filter |
| CN1594223A (en) * | 2004-06-24 | 2005-03-16 | 林震能 | Method for producing porous filtering ceramic used for water treatment |
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| CN1883752A (en) | 2006-12-27 |
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