CN102503537A - Cylindrical attapulgite flower ceramsite - Google Patents
Cylindrical attapulgite flower ceramsite Download PDFInfo
- Publication number
- CN102503537A CN102503537A CN2011103523642A CN201110352364A CN102503537A CN 102503537 A CN102503537 A CN 102503537A CN 2011103523642 A CN2011103523642 A CN 2011103523642A CN 201110352364 A CN201110352364 A CN 201110352364A CN 102503537 A CN102503537 A CN 102503537A
- Authority
- CN
- China
- Prior art keywords
- flowers
- haydite
- cylindrical
- attapulgite
- cylindrical attapulgite
- 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
- 229960000892 attapulgite Drugs 0.000 title claims abstract description 57
- 229910052625 palygorskite Inorganic materials 0.000 title claims abstract description 57
- 239000004927 clay Substances 0.000 claims abstract description 21
- 239000000843 powder Substances 0.000 claims abstract description 21
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims abstract description 10
- 235000007164 Oryza sativa Nutrition 0.000 claims abstract description 9
- 235000009566 rice Nutrition 0.000 claims abstract description 9
- 229910000278 bentonite Inorganic materials 0.000 claims abstract description 7
- 239000000440 bentonite Substances 0.000 claims abstract description 7
- 238000001816 cooling Methods 0.000 claims abstract description 6
- 238000012216 screening Methods 0.000 claims abstract description 6
- 238000002156 mixing Methods 0.000 claims abstract description 5
- 240000007594 Oryza sativa Species 0.000 claims abstract 2
- 239000002245 particle Substances 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 14
- 238000005469 granulation Methods 0.000 claims description 9
- 230000003179 granulation Effects 0.000 claims description 9
- 230000008676 import Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 10
- 239000010802 sludge Substances 0.000 abstract description 9
- 239000002699 waste material Substances 0.000 abstract description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 2
- 238000010521 absorption reaction Methods 0.000 abstract description 2
- 235000016709 nutrition Nutrition 0.000 abstract description 2
- 230000035764 nutrition Effects 0.000 abstract description 2
- 235000013311 vegetables Nutrition 0.000 abstract description 2
- 238000005336 cracking Methods 0.000 abstract 1
- 239000010903 husk Substances 0.000 abstract 1
- 239000004615 ingredient Substances 0.000 abstract 1
- 238000004806 packaging method and process Methods 0.000 abstract 1
- 238000001035 drying Methods 0.000 description 8
- 241000209094 Oryza Species 0.000 description 7
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 4
- 239000008187 granular material Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 241000196324 Embryophyta Species 0.000 description 3
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 3
- 239000002956 ash Substances 0.000 description 3
- 239000003462 bioceramic Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- 239000010801 sewage sludge Substances 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 210000003608 fece Anatomy 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000010871 livestock manure Substances 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 235000021049 nutrient content Nutrition 0.000 description 2
- 235000015097 nutrients Nutrition 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 206010006895 Cachexia Diseases 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000004523 agglutinating effect Effects 0.000 description 1
- 229910021417 amorphous silicon Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 239000002734 clay mineral Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000002615 epidermis Anatomy 0.000 description 1
- 239000010433 feldspar Substances 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009775 high-speed stirring Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 229910052622 kaolinite Inorganic materials 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
- 229910021647 smectite Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 208000016318 wasting Diseases 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes
Landscapes
- Cultivation Of Plants (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses cylindrical attapulgite flower ceramsite. The key points of the technical scheme are that the cylindrical attapulgite flower ceramsite consists of high-adhesion attapulgite clay powder, attapulgite clay tailing powder, red bentonite powder, sludge, diatomite tailing powder and rice husk powder. The cylindrical attapulgite flower ceramsite is produced by the following steps of mixing the ingredients, pelleting, roasting, cooling, screening and packaging. The cylindrical attapulgite flower ceramsite has a rough and porous surface, is light in weight, high in strength and water absorption rate, can be immersed in water throughout the year without cracking and can continuously and slowly release nutrition required by flowers. Moreover, the cylindrical attapulgite flower ceramsite is produced by comprehensively utilizing the sludge and tailings, so that the resource utilization rate is improved, waste is turned into wealth, and environment is protected. Besides, the cylindrical attapulgite flower ceramsite is applicable to cultivation of various flowers and vegetables.
Description
Technical field
The present invention relates to haydite, be specifically related to a kind of cylindrical Attapulgite flowers haydite.
Background technology
Being applied to should have many micropores in the flowers haydite of afforestation, and will have the granule strength height, and water absorbing properties is good, ventilative and hold the strong characteristics of fertile ability.
The flowers haydite price of supply is high in the market, and granule strength is low, in water, soaks more than the period of greater than two months, and the flowers haydite will burst and be decomposed into small shreds, influences result of use.
Chinese patent Granted publication CN 1246252 C; On March 22 2006 Granted publication day, name is called " a kind of ceramic particle and manufacture craft thereof that is used for plant growing ", disclose " a kind of environment protecting bioceramics; be used for cultivation of plants and water purification; it has micropore, water-intake rate be greater than 18%, and contain micro-charcoal; The technical process that environment protecting bioceramics of the present invention is produced product divides six procedures by order before and after it: raw material-ball milling-mud sieves-press dewatering-moulding-roasting; This invention has and beautifies plant, keeps the clean and tidy of surrounding environment; Environmental-protection function such as remove peculiar smell, purify waste water; And its product color is easy to control, characteristics such as good water absorption ".
The weak point of above-mentioned patent is " environment protecting bioceramics is produced the technical process of product by dividing six procedures before and after it in proper order "; Increased production cost of products greatly; Have influence on applying of ceramic particle; Ceramic particle through 750～1100 ℃ of roastings after, the powdered carbon in the ceramic particle has burnt till ashes, has obviously reduced the effect of removing peculiar smell.
Mineral Resources in China 80% is for being total to associated minerals, and a large amount of valuable resources retain among the mine tailing, and tailings impoundment need take a large amount of soils.Exceed the time limit in a lot of mine tailing storehouses or sh is used, even violation operation, makes the mine tailing stock in very big potential safety hazard, and the surrounding area people's property and life security caused serious threat.
Mud is the sub product of municipal sewage treatment, and not only generation is big, and composition is extremely complicated, if deal with improperly, will cause secondary pollution.Simultaneously, mud is as secondary resource, and is how economical, reasonably to utilize also be one of problem of current extensive concern both at home and abroad.
Nutrient contents such as mud organic matter, nitrogen, phosphorus are higher; Even be higher than common farm manure, and be easy to provide available nutrient, be applicable to and produce the flowers haydite; But moisture percentage in sewage sludge often is higher than 95%, and the simple effective method that reduces moisture percentage in sewage sludge is to concentrate and drying and other treatment.
Chinese patent Granted publication CN 101531500 B, on June 22 2011 Granted publication day, name is called " with the method for firing sludge haydite ", discloses " a kind of method with the firing sludge haydite.This method at first will be passed through sludge of sewage treatment plant or lake, the river dredging mud behind the mechanical dehydration, in special sludge drying device, carry out mud drying process, and the water ratio of mud and volume are reduced to respectively below 30% with below 1/3rd.Through special press, mud is pressed into raw material ball then, the mud raw material ball through 1000～1100 ℃ roasting after, form sludge ceramsite, the hot flue gas of discharging was as the thermal source of sludge drying when sludge ceramsite was fired ".
The weak point of above-mentioned patent is to carry out drying and drying and other treatment to mud, has increased the production cost of haydite greatly, and the haydite intensity of utilizing mud to produce merely is low little with porosity, has influence on the result of use of haydite.
Summary of the invention
The objective of the invention is to overcome weak point in the prior art, a kind of cylindrical Attapulgite flowers haydite is provided.
Cylindrical Attapulgite flowers haydite is made up of the sticking attapulgite clay powder of height, attapulgite clay mine tailing, red bentonite in powder, mud, zeyssatite mine tailing and powdered rice hulls.
The working method of cylindrical Attapulgite flowers haydite: is cylindrical Attapulgite flowers haydite with the batching of cylindrical Attapulgite flowers haydite through mix, granulation, roasting, cooling and screening and packing.
Attapulgite clay be a kind of layer of chain-like structure contain Shuifu County's zeopan clay mineral; The attapulgite clay soil property is fine and smooth; Water-absorbent is strong; Tool viscosity and plasticity-help the bonding between the raw material when wet, can improve granule strength, sticking power and the porosity of cylindrical Attapulgite flowers haydite sand.
High sticking attapulgite clay powder is meant gets 28.0g attapulgite clay powder sample; Add in the suspension-s cup of impeller, add 372g water again, the suspension-s cup is placed on the impeller; Under 11000 rev/mins rotating speed, stirred 20 minutes; To pass through the high-speed stirring sample suspension again and pour in the beaker of 250ml, the viscosity of using NDJ-1 type rotational viscosimeter to test its suspension-s, tested viscosity value>=2200
MPasThe attapulgite clay powder be high sticking attapulgite clay powder, the height that the present invention selects for use glues attapulgite clay powder particles fineness≤0.074 millimeter.
Attapulgite clay can mix in recovery process has a certain amount of rubble and earth, can't sieve, and abandons as a kind of mine tailing, causes a large amount of wastings of resources, the particle fineness of attapulgite clay mine tailing≤0.1 millimeter.
Red wilkinite iron oxide content is high, and water-absorbent is strong, has plasticity-and agglutinating value(of coal), is used for intensity and reduction sintering temperature that the present invention can improve cylindrical Attapulgite flowers haydite sand;
Red wilkinite originates in horse race mining area, mountain, Gui Wu town, Xuyi County, Jiangsu Province, and staple has quartz, smectite, kaolinite, rhombohedral iron ore and feldspar, iron oxide content>=14%; Aluminium sesquioxide content>=10%, common wilkinite iron oxide content≤5%, mining area reserves have more than 1,000,000 tons; It is a surface mines; Because purposes is not extensive, still fail the big area exploitation at present, the particle fineness of red bentonite in powder≤0.15 millimeter.
Mud is the sub product of municipal sewage treatment, and is large in number and widely distributed, and nutrient contents such as mud organic matter, nitrogen, phosphorus are higher, even are higher than common farm manure, are easy to provide available nutrient.
Moisture percentage in sewage sludge is greater than 90%; Be difficult to carry out drying treatment; Because mud plasticity-is better, after the sticking attapulgite clay powder of height, attapulgite clay mine tailing, red bentonite in powder, zeyssatite mine tailing, powdered rice hulls and mud mixing, the water cut of mixture can drop to below 20% fast; Can directly get into the tablets press granulation, the particle fineness of mud≤0.10 millimeter.
Zeyssatite is fine and smooth, loose, light weight, porous, and specific surface area is big, and the space is regular distribution; Chemical property is stable, be a kind of natural nano aperture amorphous silicon material, but zeyssatite is made a low multiple use; The product of most enterprises comes from one-level soil, and two, three grades of regoliths are discarded in a large number, caused serious waste of resources; Also polluted environment, the present invention selects particle fineness≤0.15 millimeter of zeyssatite mine tailing for use.
It is in order to increase the porosity of cylindrical Attapulgite flowers haydite that the present invention adopts powdered rice hulls, and cylindrical Attapulgite flowers haydite is in roasting process, and the powdered rice hulls burning in the haydite is ashes, forms a large amount of micropores, the particle fineness of powdered rice hulls≤0.15 millimeter.
The present invention is achieved through following technical proposals:
1, the batching of cylindrical Attapulgite flowers haydite is made up of following component by weight percentage: high sticking attapulgite clay powder 1～10%, attapulgite clay mine tailing 5～25%, red bentonite in powder 5～20%, mud 45～65%, zeyssatite mine tailing 5～20% and powdered rice hulls 1～10%.
2, import the Squeezinggranulator granulation after the batching adding stirrer for mixing of the working method of cylindrical Attapulgite flowers haydite: ⑴ with cylindrical Attapulgite flowers haydite, particle diameter is controlled at 3～20 millimeters, and particle length is controlled at 10～40 millimeters; ⑵ the particle input internally heated type revolution roasting in kilns after with granulation, maturing temperature is controlled at 550～850 ℃, and roasting time was controlled at 1～6 hour; ⑶ cool off in the particle input rotary type cooling machine after with roasting, after overcooling and screening, be packaged as cylindrical Attapulgite flowers haydite.
Screening is in order to remove chip and the ashes that cylindrical Attapulgite flowers haydite produces in roasting process.
The present invention need not concentrate and drying and other treatment mud, greatly reduces the production cost of haydite.
Because the granule strength after the granulation of the present invention is higher, when adopting the internally heated type rotary kiln to carry out roasting, maturing temperature is controlled at 550～850 ℃, and it is low to have sintering temperature, reduces energy consumption, the characteristics of the fast and low production cost of speed of cooling.
Cylindrical Attapulgite flowers haydite is cylindrical; The epidermis rough porous; Be a kind of in light weight, intensity is big, water-intake rate is high flowers haydite, cylindrical Attapulgite flowers haydite can be immersed in can not produce in the water throughout the year and burst apart, and constantly slowly discharges the needed nutrition of flowers.
The present invention fully utilizes mud and mine tailing is produced cylindrical Attapulgite flowers haydite, not only helps improving resource utilization, turns waste into wealth, and can also reduce land occupation, and protection environment and environment purification are to achieve many things at one stroke.
Cylindrical Attapulgite flowers haydite is applicable to various flowers of plantation and vegetables.
Embodiment
Below in conjunction with embodiment the present invention is done further description:
1, the batching of cylindrical Attapulgite flowers haydite is made up of following component by weight percentage: high sticking attapulgite clay powder 4%, attapulgite clay mine tailing 18%, red bentonite in powder 12%, mud 52%, zeyssatite mine tailing 10% and powdered rice hulls 4%.
2, import the Squeezinggranulator granulation after the batching adding stirrer for mixing of the working method of cylindrical Attapulgite flowers haydite: ⑴ with cylindrical Attapulgite flowers haydite, particle diameter is controlled at 6 millimeters, and particle length is controlled at 15～20 millimeters; ⑵ the particle input internally heated type revolution roasting in kilns after with granulation, maturing temperature is controlled at 750～800 ℃, and roasting time was controlled at 3 hours; ⑶ cool off in the particle input rotary type cooling machine after with roasting, after overcooling and screening, be packaged as cylindrical Attapulgite flowers haydite.
Claims (1)
1. cylindrical Attapulgite flowers haydite; It is characterized in that the batching of cylindrical Attapulgite flowers haydite is made up of following component by weight percentage: high sticking attapulgite clay powder 1～10%, attapulgite clay mine tailing 5～25%, red bentonite in powder 5～20%, mud 45～65%, zeyssatite mine tailing 5～20% and powdered rice hulls 1～10%;
Import the Squeezinggranulator granulation after the batching adding stirrer for mixing of the working method of said cylindrical Attapulgite flowers haydite: ⑴ with cylindrical Attapulgite flowers haydite, particle diameter is controlled at 3～20 millimeters, and particle length is controlled at 10～40 millimeters; ⑵ the particle input internally heated type revolution roasting in kilns after with granulation, maturing temperature is controlled at 550～850 ℃, and roasting time was controlled at 1～6 hour; ⑶ cool off in the particle input rotary type cooling machine after with roasting, after overcooling and screening, be packaged as cylindrical Attapulgite flowers haydite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103523642A CN102503537B (en) | 2011-11-10 | 2011-11-10 | Cylindrical attapulgite flower ceramsite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103523642A CN102503537B (en) | 2011-11-10 | 2011-11-10 | Cylindrical attapulgite flower ceramsite |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102503537A true CN102503537A (en) | 2012-06-20 |
| CN102503537B CN102503537B (en) | 2013-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN2011103523642A Active CN102503537B (en) | 2011-11-10 | 2011-11-10 | Cylindrical attapulgite flower ceramsite |
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