CN106478073A - The production method of multi-functional quincunx bentonite lightweight through hole haydite - Google Patents
The production method of multi-functional quincunx bentonite lightweight through hole haydite Download PDFInfo
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Abstract
The invention discloses a kind of production method of multi-functional quincunx bentonite lightweight through hole haydite, the main points of its technical scheme are, dispensing is stirred, extruder grain, dry, roasting, insulation, pack as multi-functional quincunx bentonite lightweight through hole haydite after screening, dispensing is by bentonite, high viscous Concave-convex clay rod, zeolite, active white clay waste slag, activated alumina, nano zine oxide, light magnesium oxide, precipitated calcium carbonate, cenosphere, expanded perlite, expanded vermiculite and sodium lauryl sulphate composition, there is absorption property good, effective ratio area is big, porosity is high, bulk density is little, lightweight intensity is high, the feature that micropore and macropore are integrated, it is applied to purification of water quality to filter, soil remediation, afforestation, multiple afforestation project such as roof greening and control of desert；The production method of multi-functional quincunx bentonite lightweight through hole haydite is applied to the multi-functional bentonite lightweight through hole haydites of different shapes such as quincunx, the cylindrical, spheroidal of production.
Description
Technical field
The present invention relates to haydite is and in particular to a kind of production method of multi-functional quincunx bentonite lightweight through hole haydite.
Background technology
In purification of water quality filtration treatment technique, need using substantial amounts of ceramic grain filter, the ceramic grain filter that tradition uses is
Using raw materials such as potter's clay, clay and flyash, after pelletize, high temperature sintering forms.Cultivate or plant various nursery stocks, flowers and plants and vegetable
During dish, also frequently with lytag, leca, haydites of book structure and flower ceramsite as soilless culture substrate.
Lytag, leca and haydites of book structure are a kind of artificial lightweight aggregates, using high-quality clay, shale or fine coal
Ash is primary raw material, by rotary kiln high-temperature roasting, forms through expanded, is in alveolate texture because it is internal, thus has light
Matter, the features such as high-strength, heat conductivity is low, water absorption rate is little,（Refer to national standard：GB/T 17431.1-2010 light-weight aggregate and its
Test method）.
Because artificial lightweight aggregate is after high-temperature roasting, its surface forms one layer of enamel although inside artificial lightweight aggregate being 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, will be 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, be not also suitable for purification of water quality filtration treatment
In technique.
Chinese patent Authorization Notice No.：CN 102503539 B, authorized announcement date：On 04 17th, 2013, entitled " circle
Spherical attapulgite flower ceramsite ", discloses 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, kieselguhr mine tailing and powdered rice hulls group
Become.The dispensing of spherical attapulgite flower ceramsite is packaged as spheroidal through mixing, pelletize, roasting, cooling and screening concavo-convex
Excellent flower ceramsite ".
Chinese patent Authorization Notice No.：CN 100423808 C, authorized announcement date：On October 08th, 2008, entitled " recessed
The production method of convex stick ceramic grain filter ", discloses " a kind of production method of concave convex stick ceramic grain filter, the main points of its technical scheme
It is that the production method of concave convex stick ceramic grain filter is：Dispensing, pulverizing, pelletize, roasting, sieve, be packaged as finished product.Concave convex stick ceramic grain
Filtrate is made up of attapulgite clay, gangue and volcanic ash ".
Spheroidal ceramsite preparation process：(1) first powdery dispensing is added in the comminutor having operated, with the height preparing
In powdery dispensing, the vaporific aqueous solution of high pressure sticks on the surface of powdery dispensing pressure spray water spray solution, and powdery dispensing is delayed
Slowly it is processed into the bead that a kind of diameter is less than 0.5 millimeter, bead continues to roll in comminutor；(2) vaporific water-soluble by prepare
Liquid is sprayed at the surface of bead, and the bead in comminutor is sufficiently moistened in operation process, then powdery dispensing is trickled down
On the surface of moistening bead, powdery dispensing parcel sticks the surface in bead, and the volume of bead is increasing；(3) through repeatedly weighing
Multiple spray vaporific aqueous solution and powdery dispensing trickled down on the surface of moistening bead, powdery dispensing and vaporific aqueous solution are one
In the encapsulation process of the another layer of layer, promote the volume of bead constantly to be increased, be finally completed the overall process of pelletize, be prepared into
A kind of higher spheroidal haydite of intensity.
Because spherical granules internal structure is very closely knit, greatly reduce the effective specific surface area of spherical granules, circle
The proportion of spheroidal particle and bulk density are all than larger.
Spheroidal haydite internal structure after roasting is even closer although the spheroidal haydite intensity after roasting compares
Height, but more cause effective ratio area and significantly reduce, and it is larger that proportion and bulk density remain ratio, thus significantly
Reduce absorption, purification, filter capacity and the water absorption rate of spheroidal haydite.
Spheroidal haydite, in roasting process, is difficult to inside haydite can grill thoroughly completely, by the spheroidal do not grilled thoroughly haydite
Put into and explosion and disintegrate in water, can be produced, directly influence purification of water quality filter effect.
Through multiple sampling test：Artificial lightweight aggregate average bulk density >=800kg/m on the market, mean water absorption
Rate≤18%, spherical attapulgite flower ceramsite average bulk density >=850kg/m, mean water absorption rate≤50%, Attapulgite ceramic
Grain filtrate average bulk density >=950kg/m, mean water absorption rate≤40%.
By contrast, the bulk density of this several haydite all ratios are larger, cause effective specific surface area smaller, water absorption rate
Ratio is relatively low, and user wishes to invent that a kind of advantages of good adsorption effect, the rate of filtration be fast, bulk density≤800kg/m and water absorption rate >=
65% light ceramic, to be applied to purification of water quality filtration, soil remediation and various afforestation project.
Content of the invention
The purpose of the present invention is to overcome weak point in prior art, provides a kind of multi-functional quincunx bentonite lightweight to lead to
The production method of hole haydite.
The production method of multi-functional quincunx bentonite lightweight through hole haydite：By multi-functional quincunx bentonite lightweight through hole
The dispensing of haydite is stirred, extruder grain, drying, roasting, insulation, pack as multi-functional quincunx bentonite after screening
Lightweight through hole haydite.
The dispensing of multi-functional quincunx bentonite lightweight through hole haydite is by bentonite, high viscous Concave-convex clay rod, zeolite, work
Property hargil waste residue, activated alumina, nano zine oxide, light magnesium oxide, precipitated calcium carbonate, cenosphere, expanded perlite, swollen
Swollen Vermiculitum and sodium lauryl sulphate composition.
Bentonite is the aqueous clay pit based on montmorillonite, because it has special property, such as bloating tendency, bonding
Property, adsorptivity, catalytic, thixotropy and suspension.Bentonite has stronger cation exchange capacity (CEC), to various gases, liquid,
Organic substance has certain absorbability, and absorption is the natural phenomena that all solids material exists, and some molecules are assembled by we
In the phenomenon on bentonite surface, referred to as bentonitic adsorption, this adsorption is industrially widely applied, swollen
Profit soil absorption can be divided into physical absorption, chemisorbed and ion-exchange absorption Annex III type.The present invention selects bentonitic
Grain fineness≤0.074 millimeter.
Attapulgite also known as Paligorskite or Palygorskite, are the clay pits of zeopan containing Shuifu County of a kind of layer of chain structure
Thing, attapulgite clay has the layer chain structure feature of uniqueness, and crystal is in needle-like, fibrous or fiber collection shape.Attapulgite
Stone clay has good colloidal nature and the higher absorbabilitys such as the dispersion of uniqueness, high temperature resistant, salt resistance alkali.
High viscous Concave-convex clay rod is with attapulgite clay as raw material, through broken, immersion, interpolation, roll-in, drying, powder
A kind of natural prodcuts that the technique such as broken is obtained, 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 Concave-convex clay rod
Power viscosity >=2200 mPa s, product quality needs to meet the standard of JC/T 2266-2014 attapulgite clay product；This
Invention is from fineness of the particles≤0.074 millimeter of high viscous Concave-convex clay rod.
Natural zeolite has unique internal structure and Crystallochemical Properties so as to have water suction, absorption, selectivity suction
The excellent physicochemical property such as attached, ion exchange, catalytic reaction, acidproof and radiation hardness, is a kind of new nonmetallic ore raw material, this
Invention is from fineness of the particles≤0.074 millimeter of zeolite.
Active hargil is a kind of odorless, tasteless, nontoxic white or cream-coloured powder or granule, and the activity after decolouring is white
Soil loses activity and becomes active white clay waste slag, some oily factories all by these active white clay waste slags abandon, if cannot and
When process, produces after the organic fermentation of lipid in active white clay waste slag and goes mouldy and stench, the not only wasting of resources, pollute environment and
Groundwater quality, and fire hazardous, will cause certain loss to society and enterprise；The present invention selects active white clay waste slag
Fineness of the particles≤0.149 millimeter.
Activated alumina is the solid material of a kind of porous, high degree of dispersion, has very big surface area, and its micropore surface has
Standby characteristic required by catalytic action, such as absorption property, surface activity, excellent heat stability etc., so be widely used as
The catalyst of chemical reaction and catalyst carrier, the present invention selects fineness of the particles≤0.074 millimeter of activated alumina.
Nano zine oxide is a kind of new high function fine inorganic product geared to the 21st century, has common zinc oxide institute no
Particularity and purposes that method compares, can make high efficiency photocatalyst, for organic pollution in degrading waste water, environment purification etc..
Light magnesium oxide is the white loose unformed powder of lightweight, odorless, tasteless, and nontoxic, volume shared by light magnesium oxide is about
About the three times of heavy-burned magnesia, there are extremely fireproof heat-insulating property, reinforcing agent, adhesive, the present invention selects light magnesium oxide
Fineness of the particles≤0.074 millimeter.
Precipitated calcium carbonate fine particles, surface are rougher, and specific surface area is big, and precipitated calcium carbonate also has and do not settle, easily point
Dissipate, the characteristic such as good luster, the present invention selects fineness of the particles≤0.074 millimeter of precipitated calcium carbonate.
Cenosphere outward appearance is canescence, is a kind of loose, good fluidity powder body material, cenosphere proportion is little, table
Face is smooth, intensity is big, easily dispersion, and the present invention selects fineness of the particles≤0.149 millimeter of cenosphere.
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 fineness of the particles≤0.074 millimeter of expanded perlite.
After high-temperature roasting, its volume energy expands rapidly several times to tens times to Vermiculitum, and the Vermiculitum after volumetric expansion is swollen
Swollen Vermiculitum, is one of mineral the lightest in the world, the present invention from the expanded vermiculite after pulverizing, the fineness of the particles of expanded vermiculite≤
0.074 millimeter.
Sodium lauryl sulphate is white or faint yellow powdery, is dissolved in water, insensitive to alkali and hard water, has decontamination, breast
Change and excellent foaming power, be a kind of nontoxic anion surfactant.
The technical scheme is that：
1st, the production method of multi-functional quincunx bentonite lightweight through hole haydite：
(1) in the stirring mixer dispensing input of multi-functional quincunx bentonite lightweight through hole semi-finished product having operated,
Stirring is mixed into the mixture of multi-functional quincunx bentonite lightweight through hole semi-finished product, is transported to screw rod through belt feeder and squeezes
Standby in the feed bin on pressure comminutor top；
(2) will be used for producing the core rod of multi-functional quincunx bentonite lightweight through hole semi-finished product, be placed on screw extruding pelletize
In the template of machine, open the valve of feed bin, by the mixture conveying of multi-functional quincunx bentonite lightweight through hole semi-finished product
To in screw extruder pelletizer, extruder grain is multi-functional quincunx bentonite lightweight through hole semi-finished product；Multi-functional Flos Mume
At 5～60 millimeters, length controls at 5～60 millimeters the outside diameter control of shape bentonite lightweight through hole semi-finished product, multi-functional prunus mume (sieb.) sieb.et zucc.
The through hole internal diameter at flower-shape bentonite lightweight through hole semi-finished product center controls in 1～5 millimeter of ￠, and number of openings controls 1～6
Individual；
(3), by multi-functional quincunx bentonite lightweight through hole semi-finished product, it is transported in swinging drying oven through belt feeder
Row is dried, and swinging drying oven drying temperature controls at 150～250 DEG C, and drying time controls at 1～4 hour, and swinging is dried
Furnace exhaust gas temperature control is at 50～100 DEG C；
(4) by the multi-functional quincunx bentonite lightweight through hole semi-finished product after drying, defeated from the discharging opening of swinging drying oven
Deliver to swinging roasting kiln roasting, at 900～950 DEG C, roasting time controlled at 1～4 hour the temperature control of combustor, roasting
Burn furnace exhaust gas temperature control at 150～250 DEG C；
(5) the multi-functional quincunx bentonite lightweight through hole semi-finished product after roasting is discharged from the discharging opening of swinging roaster,
By the multi-functional quincunx bentonite lightweight through hole semi-finished product after roasting, through U-shaped conveying worm input rustless steel circle
It is incubated in silos, temperature retention time controlled at 24～72 hours；
(6) open the valve in rustless steel cylinder storehouse, by cooled multi-functional quincunx bentonite lightweight through hole haydite after insulation
Semi-finished product are transported in cylinder vibrosieve through belt feeder, are sieved by screen cloth, pack as multi-functional prunus mume (sieb.) sieb.et zucc. after screening
Flower-shape bentonite lightweight through hole haydite finished product, the powder after screening is discharged from powder discharge line, and broken haydite is from broken pottery
Grain discharge line is discharged；
(7) dry and the technique of roasting adopts reflux type, be the high temperature hot gas stream that burner is ejected, by combustor
The high temperature hot gas flow tube road of the heart enters swinging roaster, and swinging roaster tail gas thermal current enters swinging drying oven, returns
Rotatable drying furnace exhaust gas are discharged by drying oven exhaust pipe；Multi-functional quincunx bentonite lightweight through hole semi-finished product, first
Enter in swinging drying oven and dried, enter back into swinging roasting kiln roasting, the multi-functional quincunx swelling after roasting
Native lightweight through hole semi-finished product, discharges from the discharging opening of swinging roaster, multi-functional quincunx bentonite lightweight through hole pottery
Flowing after grain semi-finished product enter swinging drying oven and swinging roaster, with high temperature hot gas stream and roaster tail gas thermal current
Direction is contrary.
2nd, the dispensing of multi-functional quincunx bentonite lightweight through hole semi-finished product is by weight percentage by following component group
Become：Bentonite 10～35%, high viscous Concave-convex clay rod 5～25%, zeolite 5～20%, active white clay waste slag 2～10%, work
Property aluminium oxide 1～5%, nano zine oxide 1～5%, light magnesium oxide 1～5%, precipitated calcium carbonate 1～5%, cenosphere 1～
5%th, expanded perlite 0.5～5%, expanded vermiculite 0.5～5%, sodium lauryl sulphate 0.1～5% and water 5～40%.
Bentonite has special property, such as bloating tendency, caking property, adsorptivity, catalytic, thixotropy and suspension, swollen
Profit soil has stronger cation exchange capacity (CEC), has certain absorbability to various gases, liquid, organic substance, can increase many
The absorption of function is quincunx bentonite lightweight through hole haydite and filter effect.
High viscous Concave-convex clay rod has the dispersion of uniqueness, the good colloidal nature such as high temperature resistant, salt resistance alkali and higher
Absorbability, and there is certain plasticity and cohesive force, the dynamic viscosity >=2200 mPa s of high viscous Concave-convex clay rod,
Adhesive force is good, is conducive to the bonding between raw material, increases intensity and the absorption of multi-functional quincunx bentonite lightweight through hole haydite
Ability.
Natural zeolite has unique internal structure and Crystallochemical Properties so as to have water suction, absorption, selectivity suction
The excellent physicochemical property such as attached, ion exchange, catalytic reaction, acidproof and radiation hardness, can strengthen multi-functional quincunx bentonite lightweight
The absorption of through hole haydite and filter effect.
In roasting process, the lipid in active white clay waste slag is organic to participate in multi-functional Flos Mume to active white clay waste slag jointly
The roasting of shape bentonite lightweight through hole haydite, improves the heat of combustion-gas flow, not only can save energy, also help multi-functional
The inside of quincunx bentonite lightweight through hole haydite can be grilled thoroughly completely, increases multi-functional quincunx bentonite lightweight through hole haydite table
Face and internal porosity.
Activated alumina, nano zine oxide and light magnesium oxide are conducive to improving multi-functional quincunx bentonite lightweight through hole
The adsorption effect of haydite and the intensity increasing multi-functional quincunx bentonite lightweight through hole haydite.
Precipitated calcium carbonate, cenosphere, expanded perlite and expanded vermiculite can reduce multi-functional quincunx bentonite lightweight
The bulk density of through hole haydite, increases multi-functional quincunx bentonite lightweight through hole haydite surface and internal porosity.
Adopt sodium lauryl sulphate in the dispensing of multi-functional quincunx bentonite lightweight through hole haydite, be conducive in stirring
Substantial amounts of foam can be produced, to increase the micropore within multi-functional quincunx bentonite lightweight through hole haydite in mixed process.
The face shaping of multi-functional quincunx bentonite lightweight through hole haydite is designed as quincunx, is conducive to increasing multi-functional
Quincunx bentonite lightweight through hole haydite voidage each other and the multi-functional quincunx bentonite lightweight through hole haydite of reduction
Bulk density.
The macropore at multi-functional quincunx bentonite lightweight through hole haydite center is designed as through hole, is conducive to increasing multi-functional prunus mume (sieb.) sieb.et zucc.
The effective ratio area of flower-shape bentonite lightweight through hole haydite, reduction bulk density and the multi-functional quincunx bentonite lightweight of increase
The porosity of through hole haydite.
Multi-functional quincunx bentonite lightweight through hole semi-finished product moisture content after extruder grain is more than 30%, directly defeated
Deliver to swinging roaster high temperature roasting, in high-temperature calcination process, the surface of semi-finished product first starts sintering curing, and
Internal water vapour is difficult to rapid evaporation out, and semi-finished product will produce explosion, nor can be by semi-finished product
Portion grills thoroughly.
The present invention first multi-functional quincunx bentonite lightweight through hole semi-finished product is transported in swinging drying oven slow
Slow-motion row is dried, and drying temperature controls at 150～250 DEG C, the more multi-functional quincunx bentonite lightweight through hole pottery after drying
Grain semi-finished product are transported to swinging roasting kiln roasting, and the temperature control of combustor is at 900～950 DEG C it can be ensured that in roasting
During will not produce explosion, be conducive to grilling thoroughly haydite.
Because swinging roaster is a kind of direct-fired mode, high temperature hot gas stream is from swinging roaster combustor
After high temperature hot gas flow tube road enters in stove, by the effect of air-introduced machine, thermal current reaches the afterbody of swinging roaster quickly, when
When 900～950 DEG C, the exhaust temperature of roaster can reach 150～250 DEG C to chamber temperature, and tail gas thermal current will be from roasting
Discharge in furnace exhaust gas pipeline, tail gas thermal current can slattern in vain, causes direct economic loss.
The present invention adopts reverse-flow drying and roasting technique, and multi-functional quincunx bentonite lightweight through hole semi-finished product is entered
After entering drying oven and roaster, it is contrary with the flow direction of thermal current, be conducive to multi-functional quincunx bentonite lightweight
Through hole semi-finished product slowly improves the temperature dried with roasting；In drying and roasting process, multi-functional quincunx bentonite
Lightweight through hole semi-finished product, through continuously uniformly drying and roasting, can be grilled thoroughly inside semi-finished product.
The present invention makes full use of the waste heat of swinging roaster tail gas, and the waste heat of roaster tail gas is directly inputted swinging
In drying oven, multi-functional quincunx bentonite lightweight through hole semi-finished product is carried out preheat drying it is not necessary to increase new
Thermal source, can save 10～25% energy.
In multi-functional quincunx bentonite lightweight through hole semi-finished product after roasting still up to 700 DEG C of temperature with
On, will be incubated in the multi-functional quincunx bentonite lightweight through hole semi-finished product input rustless steel cylinder storehouse after roasting, permissible
Using the waste heat of itself, continue multi-functional quincunx bentonite lightweight through hole semi-finished product is uniformly heated, not only can ensure that
Grill thoroughly inside multi-functional quincunx bentonite lightweight through hole haydite completely moreover it is possible to play the effect of uniformly dispersing heat, improve
The inherent quality of multi-functional quincunx bentonite lightweight through hole haydite.
And the production technology of conventional haydite be the haydite after roasting is directly inputted be aerated in rotary cooler cold
But pack afterwards, thermal loss is larger, and have influence on the quality of product.
There is substantial amounts of micropore multi-functional quincunx bentonite lightweight through hole haydite surface and inside, are a kind of open pores, open
Oral pore not only each other insertion also communicate with the external world, the macropore at multi-functional quincunx bentonite lightweight through hole haydite center is a kind of logical
Hole, is conducive in roasting process, can completely grill thoroughly inside haydite, and can increase the effective ratio area of haydite, intensity
With reduction bulk density.
There is the micropore being interconnected in a large number multi-functional quincunx bentonite lightweight through hole haydite surface and inside, will be multi-functional
Quincunx bentonite lightweight through hole haydite is put in water, it will sink under water rapidly, while sucking large quantity of moisture, by many work(
Can the air in quincunx bentonite lightweight through hole haydite internal capillary cement out, multi-functional quincunx bentonite lightweight through hole
Haydite does not have dust in the dry state, is immersed in all the year round in water and will not produce disintegrate yet.
Multi-functional quincunx bentonite lightweight through hole haydite has that absorption property is good, effective ratio area is big, porosity is high,
Bulk density is little, permeability is superior, lightweight intensity height, appearance and modeling free from extraneous odour attractive in appearance, do not have harmful levels of pathogens, micropore and macropore
The feature being integrated.
During for purification of water quality filtration treatment technique, the rate of filtration is fast, and water environment capacity is strong, and the fine particles in water body will be by
In multi-functional quincunx bentonite lightweight through hole haydite, micropore mazy is adsorbed and is filtered, and water body obtains in flow filtration
Purify；Multi-functional quincunx bentonite lightweight through hole haydite is suitable for the growth of each quasi-microorganism, in its surface and internal capillary
Form stable, highly active biomembrane, improve the clean-up effect to sewage for the microorganism.
For heavy-metal contaminated soil reparation when, multi-functional quincunx bentonite lightweight through hole haydite can be put into and fill
In the soil of water, carry out 2～4 times turn over and weed rake, make multi-functional quincunx bentonite lightweight through hole haydite abundant with soil
Contact, multi-functional quincunx bentonite lightweight through hole haydite will adsorb the part heavy metal in soil, with specially after 3～10 days
With instrument, the multi-functional quincunx bentonite lightweight through hole haydite in soil is taken out, heavy metal-polluted in soil in order to reduce
Dye.
After the multi-functional quincunx bentonite lightweight through hole haydite having adsorbed part heavy metal in soil is taken out, adopt
The methods such as chemical precipitation, oxidoreduction process, solvent extraction and separation, absorption method, membrane separation process or ion exchange are regenerated
Process, multi-functional quincunx bentonite lightweight through hole haydite, after Regeneration Treatment, is dried in input swinging drying oven,
Can repeatedly use.
Because multi-functional quincunx bentonite lightweight through hole haydite surface and internal micropore are interconnected, work as haydite
Inside and outside mazy micropore, by after the fine particles adsorption saturation in water body, takes High-Pressure Water to multi-functional quincunx bentonite
Lightweight through hole haydite carries out backwash, quickly can rinse well adsorbing the fine particles in micropore inside and outside haydite, then use
Purification of water quality filtration treatment program in next round.Have that the purification of water quality rate of filtration is fast, backwash effect is good, cycle of operation
Feature long, that utilization rate is high.
Although the water absorption rate of multi-functional quincunx bentonite lightweight through hole haydite is higher, even if during water absorption rate >=80%, many
The appearance of function is quincunx bentonite lightweight through hole haydite is also a kind of moistening state, and significantly water does not leak out
Come, multi-functional quincunx bentonite lightweight through hole haydite is packed together, forms numerous spaces each other, will not bond
Together, permeability is good.
Normal growth in order to ensure plant is developed, and water, the fertilizer of liquid or inorganic fertilizer are sprayed at multi-functional Flos Mume
It is also possible to multi-functional quincunx bentonite lightweight through hole haydite is immersed in water, fertilizer in shape bentonite lightweight through hole haydite
Or in the solution of inorganic fertilizer, multi-functional quincunx bentonite lightweight through hole haydite absorbs after storing a certain amount of water or liquid fertilizer and takes
Go out, during for cultivating or plant various nursery stocks, flowers and plants and vegetable, the root of plant is from multi-functional quincunx bentonite lightweight through hole
Nutritional labeling in water or liquid fertilizer is absorbed it is ensured that growth and development of plants is good, survival rate is high and the life-span is longer, and can be big in haydite
The big number of times reducing moisturizing.
Multi-functional quincunx bentonite lightweight through hole haydite is applied to purification of water quality filtration, soil remediation, afforestation, famine
Multiple afforestation projects such as mountain greening, roof greening, alkaline land improvement, control of desert, Grassland Desertification improvement and home gardening.
The production method of multi-functional quincunx bentonite lightweight through hole haydite is applied to quincunx, the cylindrical, ball of production
The multi-functional bentonite lightweight through hole haydite of different shapes such as shape.
Brief description
Fig. 1 is the total schematic diagram of the technological process of production of multi-functional quincunx bentonite lightweight through hole haydite, and Fig. 2 is that extruding is made
Grain process flow diagram, Fig. 3 is to dry and roasting technique schematic flow sheet, and Fig. 4 is insulation and sieving technology schematic flow sheet,
Fig. 5 is the schematic diagram of multi-functional quincunx bentonite lightweight through hole semi-finished product, and Fig. 6 is multi-functional quincunx bentonite lightweight
To profile, Fig. 7 is the product schematic diagram of multi-functional quincunx bentonite lightweight through hole haydite to the A-A of through hole semi-finished product,
Fig. 8 is the product schematic diagram of Multi-functional circular cylindricality bentonite lightweight through hole haydite, and Fig. 9 is that Multi-functional circular spherical bentonite lightweight is led to
The product schematic diagram of hole haydite.
As shown in the figure：1 is the dispensing of multi-functional quincunx bentonite lightweight through hole semi-finished product, and 2 is stirring mixer,
3 is the mixture of multi-functional quincunx bentonite lightweight through hole semi-finished product, and 4 is belt feeder, and 5 is feed bin, and 6 is valve, and 7 are
Screw extruder pelletizer, 8 is the template of screw extruder pelletizer, and 9 is for producing multi-functional quincunx bentonite lightweight through hole
The core rod of semi-finished product, 10 is multi-functional quincunx bentonite lightweight through hole semi-finished product, and 11 is belt feeder, and 12 is revolution
Formula drying oven, 13 is swinging drying oven drying temperature, and 14 is roaster tail gas thermal current, and 15 is roaster tail gas temperature, 16
It is the discharging opening of swinging drying oven, 17 is the multi-functional quincunx bentonite lightweight through hole semi-finished product after drying, 18
It is swinging roaster, 19 is the temperature of combustor, 20 is the high temperature hot gas flow tube road of combustor, and 21 is swinging roaster
Discharging opening, 22 is the multi-functional quincunx bentonite lightweight through hole semi-finished product after roasting, and 23 is U-shaped conveying worm, 24
It is rustless steel cylinder storehouse, 25 is rustless steel cylinder storehouse valve, 26 is the multi-functional quincunx bentonite lightweight through hole pottery after insulation
Grain semi-finished product, 27 is belt feeder, and 28 is powder discharge line, and 29 is broken haydite discharge line, and 30 is cylinder vibrosieve, 31
It is screen cloth, 32 is multi-functional quincunx bentonite lightweight through hole haydite finished product, and 33 is high temperature hot gas stream flow direction, 34 is revolution
Formula drying oven exhaust temperature, 35 is drying oven exhaust pipe, and 36 is multi-functional quincunx bentonite lightweight through hole semi-finished product
External diameter, 37 is the through hole internal diameter at multi-functional quincunx bentonite lightweight through hole semi-finished product center, and 38 is multi-functional Flos Mume
The number of openings of shape bentonite lightweight through hole semi-finished product, 39 is multi-functional quincunx bentonite lightweight through hole semi-finished product
Length.
Specific embodiment
With reference to embodiment, the invention will be further described：
1st, the production method of multi-functional quincunx bentonite lightweight through hole haydite：
(1) the dispensing 1 of multi-functional quincunx bentonite lightweight through hole semi-finished product is inputted the stirring mixer 2 having operated
In, stirring is mixed into the mixture 3 of multi-functional quincunx bentonite lightweight through hole semi-finished product, is transported to through belt feeder 4
Standby in the feed bin 5 on screw extruder pelletizer 7 top；
(2) will be used for producing the core rod 9 of multi-functional quincunx bentonite lightweight through hole semi-finished product, be placed on screw extruding and make
In the template 8 of grain machine 7, open the valve 6 of feed bin 5, by the mixing of multi-functional quincunx bentonite lightweight through hole semi-finished product
Thing 3 is transported in screw extruder pelletizer 7, and extruder grain is multi-functional quincunx bentonite lightweight through hole semi-finished product 10；
The external diameter 36 of multi-functional quincunx bentonite lightweight through hole semi-finished product controls at 8 millimeters, and length 39 controls at 8 millimeters, many
Through hole 38 internal diameter 37 at function is quincunx bentonite lightweight through hole semi-finished product center controls in 1.5 millimeters of ￠, through hole 38 number
Amount controls at 1；
(3), by multi-functional quincunx bentonite lightweight through hole semi-finished product 10, it is transported to swinging drying oven through belt feeder 11
Dried in 12, swinging drying oven 12 drying temperature 13 controls at 150～250 DEG C, drying time controlled at 2 hours, returned
Rotatable drying oven 12 exhaust temperature 34 controls at 50～80 DEG C；
(4) by the multi-functional quincunx bentonite lightweight through hole semi-finished product 16 after drying, from the discharging of swinging drying oven 12
Mouth 17 is transported to roasting in swinging roaster 18, and the temperature 19 of combustor controls at 920～940 DEG C, and roasting time controls 2
Hour, roaster tail gas temperature 15 controls at 150～250 DEG C,；
(5) the multi-functional quincunx bentonite lightweight through hole semi-finished product 22 after roasting is from the discharging opening of swinging roaster 18
21 discharges, by the multi-functional quincunx bentonite lightweight through hole semi-finished product 22 after roasting, defeated through U-shaped conveying worm 23
Enter insulation in rustless steel cylinder storehouse 24, temperature retention time controlled at 48 hours；
(6) open the valve 25 in rustless steel cylinder storehouse 24, by cooled multi-functional quincunx bentonite lightweight through hole after insulation
Semi-finished product 26 is transported in cylinder vibrosieve 30 through belt feeder 27, is sieved by screen cloth 31, sealed bundle after screening
Fill as multi-functional quincunx bentonite lightweight through hole haydite finished product 32, the powder after screening is discharged from powder discharge line 28, break
Broken haydite is discharged from broken haydite discharge line 29；
(7) dry and the technique of roasting adopts reflux type, be the high temperature hot gas stream 33 that burner is ejected, by combustor
The high temperature hot gas flow tube road 20 at center enters swinging roaster 18, and swinging roaster 18 tail gas thermal current 14 enters swinging
Drying oven 12, swinging drying oven 12 tail gas is discharged by drying oven exhaust pipe 35；Multi-functional quincunx bentonite lightweight is led to
Hole semi-finished product 10, is introduced in swinging drying oven 12 and is dried, and enters back into roasting in swinging roaster 18, roasting
Multi-functional quincunx bentonite lightweight through hole semi-finished product 22 afterwards, discharges from the discharging opening 21 of swinging roaster 18, many
After bentonite lightweight through hole semi-finished product 10 that function is quincunx enters swinging drying oven 12 and swinging roaster 18, with height
The flow direction of warm air-flow 33 and roaster tail gas thermal current 14 is contrary.
2nd, the dispensing of multi-functional quincunx bentonite lightweight through hole semi-finished product is by weight percentage by following component group
Become：Bentonite 30%, high viscous Concave-convex clay rod 12%, zeolite 10%, active white clay waste slag 6%, activated alumina 2%, receive
Rice zinc oxide 2%, precipitated calcium carbonate 2%, light magnesium oxide 2%, cenosphere 2%, expanded perlite 1%, expanded vermiculite
1%th, sodium lauryl sulphate 2% and water 28%.
3rd, surveying multi-functional quincunx bentonite lightweight through hole haydite average bulk density is 700kg/m, and water absorption rate is
88%.
Claims (3)
1. a kind of production method of multi-functional quincunx bentonite lightweight through hole haydite is it is characterised in that (1) by multi-functional Flos Mume
In the stirring mixer that the dispensing input of shape bentonite lightweight through hole semi-finished product has operated, stirring is mixed into multi-functional prunus mume (sieb.) sieb.et zucc.
The mixture of flower-shape bentonite lightweight through hole semi-finished product, is transported to the feed bin on screw extruder pelletizer top through belt feeder
In standby；
(2) will be used for producing the core rod of multi-functional quincunx bentonite lightweight through hole semi-finished product, be placed on screw extruding pelletize
In the template of machine, open the valve of feed bin, by the mixture conveying of multi-functional quincunx bentonite lightweight through hole semi-finished product
To in screw extruder pelletizer, extruder grain is multi-functional quincunx bentonite lightweight through hole semi-finished product；Multi-functional Flos Mume
At 5～60 millimeters, length controls at 5～60 millimeters the outside diameter control of shape bentonite lightweight through hole semi-finished product, multi-functional prunus mume (sieb.) sieb.et zucc.
The through hole internal diameter at flower-shape bentonite lightweight through hole semi-finished product center controls in 1～5 millimeter of ￠, and number of openings controls 1～6
Individual；
(3), by multi-functional quincunx bentonite lightweight through hole semi-finished product, it is transported in swinging drying oven through belt feeder
Row is dried, and swinging drying oven drying temperature controls at 150～250 DEG C, and drying time controls at 1～4 hour, and swinging is dried
Furnace exhaust gas temperature control is at 50～100 DEG C；
(4) by the multi-functional quincunx bentonite lightweight through hole semi-finished product after drying, defeated from the discharging opening of swinging drying oven
Deliver to swinging roasting kiln roasting, at 900～950 DEG C, roasting time controlled at 1～4 hour the temperature control of combustor, roasting
Burn furnace exhaust gas temperature control at 150～250 DEG C；
(5) the multi-functional quincunx bentonite lightweight through hole semi-finished product after roasting is discharged from the discharging opening of swinging roaster,
By the multi-functional quincunx bentonite lightweight through hole semi-finished product after roasting, through U-shaped conveying worm input rustless steel circle
It is incubated in silos, temperature retention time controlled at 24～72 hours；
(6) open the valve in rustless steel cylinder storehouse, by cooled multi-functional quincunx bentonite lightweight through hole haydite after insulation
Semi-finished product are transported in cylinder vibrosieve through belt feeder, are sieved by screen cloth, pack as multi-functional prunus mume (sieb.) sieb.et zucc. after screening
Flower-shape bentonite lightweight through hole haydite finished product, the powder after screening is discharged from powder discharge line, and broken haydite is from broken pottery
Grain discharge line is discharged；
(7) dry and the technique of roasting adopts reflux type, be the high temperature hot gas stream that burner is ejected, by combustor
The high temperature hot gas flow tube road of the heart enters swinging roaster, and swinging roaster tail gas thermal current enters swinging drying oven, returns
Rotatable drying furnace exhaust gas are discharged by drying oven exhaust pipe；Multi-functional quincunx bentonite lightweight through hole semi-finished product, first
Enter in swinging drying oven and dried, enter back into swinging roasting kiln roasting, the multi-functional quincunx swelling after roasting
Native lightweight through hole semi-finished product, discharges from the discharging opening of swinging roaster, multi-functional quincunx bentonite lightweight through hole pottery
Flowing after grain semi-finished product enter swinging drying oven and swinging roaster, with high temperature hot gas stream and roaster tail gas thermal current
Direction is contrary.
2. multi-functional quincunx bentonite lightweight through hole haydite according to claim 1 production method it is characterised in that
The dispensing of multi-functional quincunx bentonite lightweight through hole semi-finished product is made up of following component by weight percentage：Bentonite 10
～35%, high viscous Concave-convex clay rod 5～25%, zeolite 5～20%, active white clay waste slag 2～10%, activated alumina 1～
5%th, nano zine oxide 1～5%, light magnesium oxide 1～5%, precipitated calcium carbonate 1～5%, cenosphere 1～5%, expansion are precious
Pearl rock 0.5～5%, expanded vermiculite 0.5～5%, sodium lauryl sulphate 0.1～5% and water 5～40%.
3. multi-functional quincunx bentonite lightweight through hole haydite according to claim 1 production method it is characterised in that
Bentonitic fineness of the particles≤0.074 millimeter, fineness of the particles≤0.074 millimeter of high viscous Concave-convex clay rod, the granule of zeolite
Fineness≤0.074 millimeter, fineness of the particles≤0.149 millimeter of active white clay waste slag, fineness of the particles≤0.074 of activated alumina
Millimeter, fineness of the particles≤0.074 millimeter of light magnesium oxide, fineness of the particles≤0.074 millimeter of precipitated calcium carbonate, cenosphere
Fineness of the particles≤0.149 millimeter, fineness of the particles≤0.074 millimeter of expanded perlite, fineness of the particles≤0.074 of expanded vermiculite
Millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610837564.XA CN106478073A (en) | 2016-09-21 | 2016-09-21 | The production method of multi-functional quincunx bentonite lightweight through hole haydite |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610837564.XA CN106478073A (en) | 2016-09-21 | 2016-09-21 | The production method of multi-functional quincunx bentonite lightweight through hole haydite |
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| Publication Number | Publication Date |
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| CN106478073A true CN106478073A (en) | 2017-03-08 |
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| CN201610837564.XA Withdrawn CN106478073A (en) | 2016-09-21 | 2016-09-21 | The production method of multi-functional quincunx bentonite lightweight through hole haydite |
Country Status (1)
| Country | Link |
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| CN (1) | CN106478073A (en) |
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2016
- 2016-09-21 CN CN201610837564.XA patent/CN106478073A/en not_active Withdrawn
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Application publication date: 20170308 |