CN106116636A - Paper mill sludge lightweight through hole haydite - Google Patents
Paper mill sludge lightweight through hole haydite Download PDFInfo
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- CN106116636A CN106116636A CN201610478155.5A CN201610478155A CN106116636A CN 106116636 A CN106116636 A CN 106116636A CN 201610478155 A CN201610478155 A CN 201610478155A CN 106116636 A CN106116636 A CN 106116636A
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- 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
- C04B38/009—Porous or hollow ceramic granular materials, e.g. microballoons
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
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- 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
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/131—Inorganic additives
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- 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
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
- C04B33/1321—Waste slurries, e.g. harbour sludge, industrial muds
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/30—Growth substrates; Culture media; Apparatus or methods therefor based on or containing synthetic organic compounds
- A01G24/35—Growth substrates; Culture media; Apparatus or methods therefor based on or containing synthetic organic compounds containing water-absorbing polymers
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- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3206—Magnesium oxides or oxide-forming salts thereof
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- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3208—Calcium oxide or oxide-forming salts thereof, e.g. lime
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- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/44—Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
- C04B2235/448—Sulphates or sulphites
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- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/60—Aspects relating to the preparation, properties or mechanical treatment of green bodies or pre-forms
- C04B2235/608—Green bodies or pre-forms with well-defined density
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- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
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- 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
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- 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
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
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- Environmental & Geological Engineering (AREA)
- Cultivation Of Plants (AREA)
Abstract
The invention discloses a kind of paper mill sludge lightweight through hole haydite, its technical scheme is characterized by, and paper mill sludge lightweight through hole haydite is made up of paper mill sludge, high viscous attapulgite clay, Gypsum Fibrosum preparata, quick lime, powdery attapulgite foaming agent, cenosphere, light magnesium oxide, expanded perlite, expanded vermiculite and ferrous sulfate.Dispensing is stirred mixing, extruder grain, drying, roasting, be incubated, sieve after pack as paper mill sludge lightweight through hole haydite.The feature that paper mill sludge lightweight through hole haydite has that specific surface area is big, bulk density is little, water absorption rate is high, permeability is superior, appearance and modeling free from extraneous odour attractive in appearance, lightweight intensity are good, micropore and macropore are integrated.During for cultivating or plant various nursery stock, flowers and plants and vegetable, the root of plant will absorb water or the nutritional labeling of liquid fertilizer from paper mill sludge lightweight through hole haydite, guaranteeing that growth and development of plants is good and survival rate high, paper mill sludge lightweight through hole haydite is applicable to prepare soilless culture substrate and Nutrition Soil.
Description
Technical field
The present invention relates to haydite, be specifically related to a kind of paper mill sludge lightweight through hole haydite.
Background technology
The soil used when cultivating or plant various nursery stock, flowers and plants and vegetable, is to use the earth near on the spot mostly, then
Adding some plant ash or peat soil is bound together, the moisture content of these soil, 12～20%, has possibly together with substantial amounts of
Fall ill bacterium.
When using these soil incubations or plant various nursery stock, flowers and plants and vegetable, it is difficult to control the water yield of later stage moisturizing, mends
Soil moisture content after water is more than more than 30%, and the moisture in soil is higher, and soil will be in semi-fluid cement paste or mud
Pulpous state, if soil does not has can obtain moisturizing in time, soil it would appear that the lump shape that hardens, all will directly influence and plant again
The normal growth of thing.
Along with improving constantly of afforestation project prescription, also frequently with lytag, leca, haydites of book structure and
The materials such as flower ceramsite are soilless culture substrate.
Lytag, leca and haydites of book structure are a kind of artificial lightweight aggregates, use high-quality clay, shale or fine coal
Ash is primary raw material, by rotary kiln high-temperature roasting, forms through expanded, due to inside it in alveolate texture, thus have light
The features such as matter, high-strength, heat conductivity is low, water absorption rate is little, (refer to national standard: GBT17431.1-2010 light-weight aggregate and examination thereof
Proved recipe method).
Owing to artificial lightweight aggregate is after high-temperature roasting, its surface formed one layer of enamel, although inside artificial lightweight aggregate in
The micropore of alveolate texture, but, the micropore of internal cellular shape structure is a kind of closed pore, the micropore of alveolate texture not only that
Do not connect between this, and and external environment, water absorption rate is relatively low, is practically free of moisture inside artificial lightweight aggregate, by artificial
Light-weight aggregate is put in water body, can only float on the surface of water, and therefore, artificial lightweight aggregate can only be sprinkling upon the top layer of soil, as one
Plant decoration, the plants such as the various nursery stocks of plantation, flowers and vegetable can not be directly used in.
Chinese patent Authorization Notice No.: CN 102503539 B, authorized announcement date: on 04 17th, 2013, entitled " circle
Spherical attapulgite flower ceramsite ", disclose that " a kind of spherical attapulgite flower ceramsite, spherical attapulgite flower ceramsite is by height
Viscous attapulgite clay powder, attapulgite clay mine tailing, red bentonite in powder, mud, desulfurated plaster mine tailing and powdered rice hulls
Composition.By the dispensing of spherical attapulgite flower ceramsite through mixing, pelletize, roasting, cool down and screening to be packaged as spheroidal recessed
Convex rod flower ceramsite ".
Spheroidal ceramsite preparation process: in granulation process, is first processed into powdery dispensing and a kind of is less than 0.5 millimeter little
Ball, the spray water solution that then will prepare, sprays the bead surface in on-stream comminutor, then powdery dispensing is trickled down
On the surface of moistening bead, through repeated sprinkling spray water solution and powdery dispensing is trickled down at moistening bead
Surface, through the parcel of layer upon layer, the volume of bead constantly increases, and is finally completed the overall process of pelletize, is prepared as one
The spheroidal haydite that strength ratio is higher.
Spheroidal haydite internal structure after roasting is tightr, although spheroidal haydite strength ratio is higher, but
Causing effective ratio area little, proportion and bulk density are the biggest, thus reduce spheroidal haydite absorbability and
Water absorption rate.
Spherical attapulgite flower ceramsite is a kind of spheroidal haydite, and in roasting process, spherical attapulgite flower is made pottery
Intragranular portion is difficult to grill thoroughly completely, directly influences the inherent quality of spherical attapulgite flower ceramsite.
Test through multiple sampling: the artificial lightweight aggregate average bulk density >=800kg/m sold on market, mean water absorption
Rate≤18%, normal soil average bulk density >=1020kg/m, mean water absorption rate≤26%, spherical attapulgite flower is made pottery
Grain average bulk density >=850kg/m, mean water absorption rate≤50%.
By contrast, the bulk density of these several haydites is the biggest, and water absorption rate is smaller, and user wishes to invention one
Bulk density≤800kg/m, the light ceramic of water absorption rate >=65%, to be applicable to prepare soilless culture substrate and Nutrition Soil.
Summary of the invention
It is an object of the invention to overcome weak point in prior art, it is provided that a kind of paper mill sludge lightweight through hole haydite.
Paper mill sludge lightweight through hole haydite is recessed by paper mill sludge, high viscous attapulgite clay, Gypsum Fibrosum preparata, quick lime, powdery
Convex rod foaming agent, cenosphere, light magnesium oxide, expanded perlite, expanded vermiculite and ferrous sulfate composition.
The production method of paper mill sludge lightweight through hole haydite: be stirred mixing by the dispensing of paper mill sludge lightweight through hole haydite
Conjunction, extruder grain, drying, roasting, be incubated, sieve after pack as paper mill sludge lightweight through hole haydite.
Paper mill sludge processes and refers to the development along with papermaking industry and the construction of Pollution treatment installation, and paper waste is through controlling
The mud that reason facility produces after processing becomes new polluter, and mud is in addition to part is comprehensively utilized, and remaining is health
Landfill disposal, had both wasted land resource, and also can produce secondary pollution；Paper mill sludge belongs to biosolids garbage, and it both contained
The plant nutrients such as substantial amounts of cellulose family organic matter and nitrogen, phosphorus, potassium, contain again micro heavy and pathogen, and the present invention selects
Moisture content≤85% of paper mill sludge.
High viscous attapulgite clay is with attapulgite clay as raw material, through crushing, soak, adding, roll-in, dry, powder
A kind of natural prodcuts that the technique such as broken prepares, have the good adhesion agent of viscosity higher, are mainly used in fine chemistry industry, building materials, stone
The industries such as oiling work, agricultural, environmental protection, to improve quality and effect of product, the present invention selects the dynamic of high viscous attapulgite clay
Power viscosity >=2200 mPa s, product quality needs to meet the standard of JC/T 2266-2014 attapulgite clay goods；This
Granularity≤0.074 millimeter of the viscous attapulgite clay of height is selected in invention.
Natural dihydrate gypsum is also called Gypsum Fibrosum, and through calcining, the levigate Gypsum Fibrosum preparata that obtains, Gypsum Fibrosum preparata is a kind of air-setting glue
Gel material, the microcellular structure of Gypsum Fibrosum preparata is conducive to accelerating the dehydration of paper mill sludge and increasing the strong of paper mill sludge lightweight through hole haydite
Degree, the present invention selects granularity≤0.074 millimeter of Gypsum Fibrosum preparata.
Calx is also known as quick lime, and Calx can kill disease carrying germ in paper mill sludge, and the generation of anticorrosion and suppression foul smell,
At normal temperatures, Calx can generate, with the active silica of glassy state or active oxidation reactive aluminum, the product having the hydraulicity, produces glue
Knot, the present invention selects granularity≤0.074 millimeter of quick lime.
Powdery attapulgite foaming agent has that foaming capacity is strong, coefficient of foaming is high, unit volume bubble production volume is big, foam adventitia is tough
Property the most broken, foam stability is good, can the most not froth breaking, foam hole size fine and smooth, that generate in medium uniformly,
The advantages such as low and use medium the compatibility of bleeding quantity is good, the present invention selects granularity≤0.074 milli of powdery attapulgite foaming agent
Rice.
Cenosphere outward appearance is canescence, is a kind of loose, powder body material of good fluidity, and cenosphere proportion is little, table
Face is smooth, intensity greatly, easily disperse, the present invention selects granularity≤0.149 millimeter of cenosphere.
Light magnesium oxide loosens unformed powder for white lightweight, and odorless, tasteless is nontoxic.Expose and the most easily absorb
Moisture and carbon dioxide, belong to the cementing material of air-setting, and the present invention selects granularity≤0.074 millimeter of light magnesium oxide.
Perlite is expanded and becomes a kind of lightweight, multifunctional novel shaped material, have that apparent density is light, heat conductivity is low,
The features such as chemical stability is good, the present invention selects granularity≤0.25 millimeter of expanded perlite.
Vermiculitum is after high-temperature roasting, and its volume energy expands rapidly several times to tens times, and the Vermiculitum after volumetric expansion is swollen
Swollen Vermiculitum, is one of the lightest mineral, and the present invention selects granularity≤0.149 millimeter of expanded vermiculite.
Anhydrous slufuric acid ferrous iron is white powder, and the ferrous sulfate containing water of crystallization is pale green crystals, the sulphuric acid of 10% aqueous solution
Ferrous is acidity to Herba Cladoniae rangiferinae, and pH value is about 3.7, and in the present invention, ferrous sulfate is for adjusting attapulgite lightweight through hole haydite
PH value.
The technical scheme is that:
1, the dispensing of paper mill sludge lightweight through hole haydite is made up of following component by weight percentage: paper mill sludge 20～80%,
High viscous attapulgite clay 5～25%, Gypsum Fibrosum preparata 2～15%, quick lime 0～20%, powdery attapulgite foaming agent 2～15%,
Cenosphere 1～10%, light magnesium oxide 1～5%, expanded perlite 0.5～5%, expanded vermiculite 0.5～5% and sulphuric acid are sub-
Ferrum 0～5%.
2, the production method of paper mill sludge lightweight through hole haydite: (1) the dispensing of paper mill sludge lightweight through hole haydite has been inputted
In the stirring mixer of operating, stirring is mixed into the mixture of paper mill sludge lightweight through hole haydite；(2) by paper mill sludge lightweight
The mixture of through hole haydite is transported in Squeezinggranulator, and extruder grain is difform paper mill sludge lightweight through hole haydite half
Finished product；(3) by paper mill sludge lightweight through hole haydite semi-finished product, it is transported in swinging drying oven dry, dries temperature and control
At 150～250 DEG C, drying time controlled at 1～4 hour；(4) the paper mill sludge lightweight through hole haydite semi-finished product after drying are defeated
Delivering to swinging roasting kiln roasting, the temperature of combustor controls at 900～950 DEG C, and roasting time controlled at 1～3 hour；⑸
By the paper mill sludge lightweight through hole haydite semi-finished product after roasting, input is incubated in rustless steel cylinder storehouse, temperature retention time control 8～
24 hours；(6) it is transported in vibrosieve sieve by the paper mill sludge lightweight through hole haydite semi-finished product after insulation cooling, screening
After pack as paper mill sludge lightweight through hole haydite finished product；(7) extruder grain is difform paper mill sludge lightweight through hole pottery
Grain semi-finished product, refer to according to design needs, respectively extruder grain be spheroidal, cylinder, quincuncial paper mill sludge lightweight lead to
Hole haydite semi-finished product.
Paper mill sludge lightweight through hole haydite, in roasting process, improves burning after the organic relic burning in paper mill sludge
The heat of air-flow, not only can save the energy, the beneficially inside of paper mill sludge lightweight through hole haydite and can grill thoroughly completely, moreover it is possible to increase
The nutritional labelings such as potassium, calcium, phosphorus, magnesium and trace element, improve the porosity within paper mill sludge lightweight through hole haydite, to guarantee to make
The quality of paper mud lightweight through hole haydite.
High viscous attapulgite clay has the dispersion of uniqueness, the good colloidal nature such as saline and alkaline high temperature resistant, anti-and higher
Absorbability, and there is certain plasticity and cohesive force, the dynamic viscosity >=2200 mPa s of high viscous attapulgite clay,
Adhesive force is good, beneficially the bonding between raw material, increases intensity and the absorbability of paper mill sludge lightweight through hole haydite.
Powdery attapulgite foaming agent is to use by filed in the present inventor on 05 26th, 2013 that " powdery attapulgite foams
Agent ", Chinese patent Authorization Notice No. is: CN 103265213B, authorized announcement date: on 09 24th, 2014.
Powdery attapulgite foaming agent is when stirring is mixed into paper mill sludge lightweight through hole haydite mixture, it will produce certain
The bubble of amount, is conducive to increasing paper mill sludge lightweight through hole haydite surface and internal porosity.
Gypsum Fibrosum preparata, quick lime and ferrous sulfate not only can kill disease carrying germ in paper mill sludge, and anticorrosion is smelly with suppression
The generation of gas, moreover it is possible to regulation paper mill sludge lightweight through hole haydite pH value, increase paper mill sludge lightweight through hole haydite intensity and
Internal porosity.
Cenosphere, light magnesium oxide, expanded perlite and expanded vermiculite can reduce paper mill sludge lightweight through hole haydite
Bulk density, increases the porosity within paper mill sludge lightweight through hole haydite.
Paper mill sludge lightweight through hole haydite semi-finished product moisture content after extruder grain is more than 30%, is delivered directly to swinging
High-temperature roasting in roaster, in high-temperature calcination process, the surface of haydite semi-finished product first starts sintering curing, and the water of inside steams
Vapour is difficult to rapid evaporation out, and haydite semi-finished product will produce explosion, nor can grill thoroughly inside haydite semi-finished product.
Paper mill sludge lightweight through hole haydite semi-finished product first are transported in swinging drying oven slowly dry by the present invention,
Dry temperature control at 150～250 DEG C, then will dry after paper mill sludge lightweight through hole haydite semi-finished product be transported to swinging roasting
Burning kiln roasting, the temperature of combustor controls at 900～950 DEG C, it can be ensured that is grilled thoroughly by haydite in roasting process, will not produce
Raw explosion.
It is still up to more than 700 DEG C in temperature, after roasting in paper mill sludge lightweight through hole haydite semi-finished product after roasting
Paper mill sludge lightweight through hole haydite semi-finished product input rustless steel cylinder storehouse in be incubated, it is possible to use the waste heat of self, it is right to continue
Paper mill sludge lightweight through hole haydite semi-finished product uniformly heat, and not only can ensure that and burn completely inside paper mill sludge lightweight through hole haydite
Thoroughly, moreover it is possible to play the effect of uniformly dispersing heat, the inherent quality of paper mill sludge lightweight through hole haydite is improved.
There is substantial amounts of micropore paper mill sludge lightweight through hole haydite surface and inside, are a kind of open pores, open pore not only that
This is through also communicates with the external world, and the macropore at paper mill sludge lightweight through hole haydite center is a kind of through hole, is conducive at roasting process
In, it is possible to grill thoroughly inside haydite completely, and the effective ratio area of haydite, intensity and reduction bulk density can be increased.
The face shaping of paper mill sludge lightweight through hole haydite is designed as spheroidal, cylinder, the various shape such as quincunx, has
It is beneficial to increase paper mill sludge lightweight through hole haydite voidage each other and reduce the accumulation of paper mill sludge lightweight through hole haydite
Density.
There is the micropore being interconnected in a large number paper mill sludge lightweight through hole haydite surface and inside, put in water and will sink rapidly
Enter the bottom, while sucking large quantity of moisture, the air in paper mill sludge lightweight through hole haydite internal capillary is cemented out.
Although the water absorption rate of paper mill sludge lightweight through hole haydite is higher, even if during water absorption rate >=80%, paper mill sludge lightweight
Through hole haydite surface is a kind of moistening state, and the most obvious water leaks out, by paper mill sludge lightweight through hole haydite
Being packed together, form numerous spaces each other, permeability is good, and paper mill sludge lightweight through hole haydite is in the dry state
There is no dust, be immersed in all the year round in water and will not produce disintegrate yet.
Paper mill sludge lightweight through hole haydite has that specific surface area is big, bulk density is little, water absorption rate is high, permeability is superior,
Appearance and modeling free from extraneous odour attractive in appearance, there is no that harmful levels of pathogens, lightweight intensity is good, feature that micropore and macropore are integrated.
Normal growth in order to ensure plant is grown, and water, the fertilizer of liquid or inorganic fertilizer is sprayed at paper mill sludge light
In matter through hole haydite, it is also possible to paper mill sludge lightweight through hole haydite is immersed in the solution of water, fertilizer or inorganic fertilizer, papermaking
Mud lightweight through hole haydite absorbs after storing a certain amount of water or liquid fertilizer and takes out, and is used for cultivating or plant various nursery stock, flowers and plants
During with vegetable, the root of plant will absorb water or the nutritional labeling of liquid fertilizer from paper mill sludge lightweight through hole haydite, it is ensured that
Growth and development of plants is good, and survival rate is high and the life-span is longer, and can greatly reduce the number of times of moisturizing.
Paper mill sludge lightweight through hole haydite is applicable to prepare soilless culture substrate and Nutrition Soil.
Accompanying drawing explanation
Fig. 1 is spheroidal paper mill sludge lightweight through hole haydite schematic diagram, and Fig. 2 is spheroidal paper mill sludge lightweight through hole haydite
A-A profile；Fig. 3 is cylindrical paper mill sludge lightweight through hole haydite schematic diagram, and Fig. 4 is cylindrical paper mill sludge lightweight through hole pottery
Grain B-B profile；Fig. 5 is quincunx paper mill sludge lightweight through hole haydite schematic diagram, and Fig. 6 is quincunx paper mill sludge lightweight through hole
Haydite C-C profile.
As shown in the figure: 1 is the through hole of spheroidal paper mill sludge lightweight through hole haydite, 2 is that cylindrical paper mill sludge lightweight is led to
The through hole of hole haydite, 3 is the through hole of quincunx paper mill sludge lightweight through hole haydite.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described:
1, the dispensing of paper mill sludge lightweight through hole haydite is made up of following component by weight percentage: paper mill sludge 62%, height are viscous
Attapulgite clay 16%, Gypsum Fibrosum preparata 10%, quick lime 0%, powdery attapulgite foaming agent 5%, cenosphere 3%, expand treasure
Pearl rock 1.5%, expanded vermiculite 0.5%, light magnesium oxide 2% and ferrous sulfate 0%.
2, the production method of paper mill sludge lightweight through hole haydite: (1) the dispensing of paper mill sludge lightweight through hole haydite has been inputted
In the stirring mixer of operating, stirring is mixed into the mixture of paper mill sludge lightweight through hole haydite；(2) by paper mill sludge lightweight
The mixture of through hole haydite is transported in Squeezinggranulator, and extruder grain is difform paper mill sludge lightweight through hole haydite half
Finished product；(3) by paper mill sludge lightweight through hole haydite semi-finished product, it is transported in swinging drying oven dry, dries temperature and control
At 200～220 DEG C, drying time controlled at 2 hours；(4) the paper mill sludge lightweight through hole haydite semi-finished product after drying are transported to
Swinging roasting kiln roasting, the temperature of combustor controls at 940～950 DEG C, and roasting time controlled at 1 hour；(5) by roasting
After paper mill sludge lightweight through hole haydite semi-finished product, input rustless steel cylinder storehouse in be incubated, temperature retention time controlled at 16 hours；⑹
It is transported in vibrosieve sieve by the paper mill sludge lightweight through hole haydite semi-finished product after insulation cooling, packs after screening
For paper mill sludge lightweight through hole haydite finished product；(7) extruder grain is difform paper mill sludge lightweight through hole haydite semi-finished product,
Refer to that extruder grain is quincunx paper mill sludge lightweight through hole haydite semi-finished product according to design needs.
Quincunx paper mill sludge lightweight through hole haydite average bulk density is 720kg/m, and water absorption rate is 86%.
Claims (3)
1. a paper mill sludge lightweight through hole haydite, it is characterised in that the dispensing by weight hundred of paper mill sludge lightweight through hole haydite
Proportion by subtraction is made up of following component: paper mill sludge 20～80%, high viscous attapulgite clay 5～25%, Gypsum Fibrosum preparata 2～15%, raw
Calx 0～20%, powdery attapulgite foaming agent 2～15%, cenosphere 1～10%, light magnesium oxide 1～5%, expand treasure
Pearl rock 0.5～5%, expanded vermiculite 0.5～5% and ferrous sulfate 0～5%.
Paper mill sludge lightweight through hole haydite the most according to claim 1, it is characterised in that the moisture content of paper mill sludge≤
85%, granularity≤0.074 millimeter of high viscous attapulgite clay, granularity≤0.074 millimeter of Gypsum Fibrosum preparata, the granularity of quick lime≤
0.074 millimeter, granularity≤0.074 millimeter of powdery attapulgite foaming agent, granularity≤0.149 millimeter of cenosphere, lightweight oxygen
Change granularity≤0.074 millimeter of magnesium, granularity≤0.25 millimeter of expanded perlite, granularity≤0.149 millimeter of expanded vermiculite.
Paper mill sludge lightweight through hole haydite the most according to claim 1, it is characterised in that paper mill sludge lightweight through hole haydite
Production method: (1) the dispensing of paper mill sludge lightweight through hole haydite is inputted in the stirring mixer operated, stirring mixing
Mixture for paper mill sludge lightweight through hole haydite；(2) the mixture of paper mill sludge lightweight through hole haydite is transported to extruder grain
In machine, extruder grain is difform paper mill sludge lightweight through hole haydite semi-finished product；(3) by paper mill sludge lightweight through hole haydite
Semi-finished product, are transported in swinging drying oven dry, and dry temperature and control at 150～250 DEG C, and drying time controls 1
～4 hours；(4) the paper mill sludge lightweight through hole haydite semi-finished product after drying are transported to swinging roasting kiln roasting, combustor
Temperature control at 900～950 DEG C, roasting time controlled at 1～3 hour；(5) the paper mill sludge lightweight through hole after roasting is made pottery
Grain semi-finished product, input is incubated in rustless steel cylinder storehouse, and temperature retention time controlled at 8～24 hours；(6) by the papermaking after insulation cooling
Mud lightweight through hole haydite semi-finished product are transported in vibrosieve sieve, and pack as paper mill sludge lightweight through hole after screening
Haydite finished product；(7) extruder grain is difform paper mill sludge lightweight through hole haydite semi-finished product, refers to according to design needs, point
Other extruder grain is spheroidal, cylinder, quincuncial paper mill sludge lightweight through hole haydite semi-finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610478155.5A CN106116636A (en) | 2016-06-28 | 2016-06-28 | Paper mill sludge lightweight through hole haydite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610478155.5A CN106116636A (en) | 2016-06-28 | 2016-06-28 | Paper mill sludge lightweight through hole haydite |
Publications (1)
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| CN106116636A true CN106116636A (en) | 2016-11-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610478155.5A Pending CN106116636A (en) | 2016-06-28 | 2016-06-28 | Paper mill sludge lightweight through hole haydite |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106630715A (en) * | 2016-12-30 | 2017-05-10 | 东莞深圳清华大学研究院创新中心 | Method for preparing ceramsite by using flyash of circulating fluidized bed and paper mill sludge |
| CN112167005A (en) * | 2020-09-14 | 2021-01-05 | 深圳大学 | Preparation method of artificial soil particles based on sludge |
| CN114573382A (en) * | 2022-03-03 | 2022-06-03 | 贵州大学 | Method for separating humus components of sludge and comprehensively utilizing products |
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| CN102503537A (en) * | 2011-11-10 | 2012-06-20 | 许庆华 | Cylindrical attapulgite flower ceramsite |
| CN103265213A (en) * | 2013-05-26 | 2013-08-28 | 许盛英 | Powdery attapulgite foaming agent |
| CN103880472A (en) * | 2014-02-21 | 2014-06-25 | 周弼 | Sludge porous material and preparation method thereof |
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| CN102503537A (en) * | 2011-11-10 | 2012-06-20 | 许庆华 | Cylindrical attapulgite flower ceramsite |
| CN103265213A (en) * | 2013-05-26 | 2013-08-28 | 许盛英 | Powdery attapulgite foaming agent |
| CN103880472A (en) * | 2014-02-21 | 2014-06-25 | 周弼 | Sludge porous material and preparation method thereof |
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| CN106630715A (en) * | 2016-12-30 | 2017-05-10 | 东莞深圳清华大学研究院创新中心 | Method for preparing ceramsite by using flyash of circulating fluidized bed and paper mill sludge |
| CN106630715B (en) * | 2016-12-30 | 2019-01-08 | 广东清大同科环保技术有限公司 | A method of haydite is prepared using circulating fluid bed coal ash and paper mill sludge |
| CN112167005A (en) * | 2020-09-14 | 2021-01-05 | 深圳大学 | Preparation method of artificial soil particles based on sludge |
| CN114573382A (en) * | 2022-03-03 | 2022-06-03 | 贵州大学 | Method for separating humus components of sludge and comprehensively utilizing products |
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Application publication date: 20161116 |