CN106631092A - Production method of multifunctional quincunx light porous ceramsites made from zeolite tailings - Google Patents
Production method of multifunctional quincunx light porous ceramsites made from zeolite tailings Download PDFInfo
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- CN106631092A CN106631092A CN201610854084.4A CN201610854084A CN106631092A CN 106631092 A CN106631092 A CN 106631092A CN 201610854084 A CN201610854084 A CN 201610854084A CN 106631092 A CN106631092 A CN 106631092A
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Abstract
The invention discloses a production method of multifunctional quincunx light porous ceramsites made from zeolite tailings. The production method is characterized in that ingredients are subjected to stirring, extrusion pelleting, drying, calcination, heat insulation, screening and sealed packaging to obtain the multifunctional quincunx light porous ceramsites made from the zeolite tailings; the ingredients include the zeolite tailings, high-viscosity attapulgite clay, activated clay residues, activated alumina, nano zinc oxide, light magnesium oxide, light calcium carbonate, hollow microspheres, expanded perlite, expanded vermiculites and lauryl sodium sulfate. The multifunctional quincunx light porous ceramsites have good adsorption performance, large effective specific surface area, high porosity, low stacking density and high lightweight strength, integrate micropores with macropores, and are applicable to various landscape engineering such as water purification and filtration, soil remediation, landscaping and desertification control. The production method of the multifunctional quincunx light porous ceramsites made from the zeolite tailings is applicable to production of multifunctional zeolite-tailings light porous ceramsites in different shapes such as quincunxes, cylinders, round balls and the like.
Description
Technical field
The present invention relates to haydite, and in particular to a kind of producer of multi-functional quincunx zeolite mine tailing lightweight through hole haydite
Method.
Background technology
In purification of water quality filtration treatment technique, need using substantial amounts of ceramic grain filter, the ceramic grain filter that tradition is used is
Using raw materials such as potter's clay, clay and flyash, high temperature sintering is formed Jing after granulation.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, and by rotary kiln high-temperature roasting, Jing is expanded to be formed, and is in alveolate texture because it is internal, thus with light
Matter, the features such as high-strength, thermal conductivity factor is low, water absorption rate is little,(Refer to national standard:GB/T 17431.1-2010 light-weight aggregates and its
Test method).
Because artificial lightweight aggregate is after high-temperature roasting, its surface forms one layer of enamel, although artificial lightweight aggregate inside is 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, and moisture is practically free of inside artificial lightweight aggregate, will be artificial
Light-weight aggregate is put into water body, can only float on the surface of water, therefore, artificial lightweight aggregate can only be sprinkling upon the top layer of soil, as one
Decoration is planted, the plants such as the various nursery stocks of plantation, flowers and vegetables can not be directly used in, be not also suitable for purification of water quality filtration treatment
In technique.
Chinese patent Authorization Notice No.:The B of CN 102503539, 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 Concave-convex clay rod powder, Concave-convex clay rod mine tailing, red bentonite in powder, sludge, diatomite mine tailing and powdered rice hulls group
Into.The dispensing of spherical attapulgite flower ceramsite is packaged as into spheroidal through mixing, granulation, roasting, cooling and screening concavo-convex
Rod flower ceramsite ".
Chinese patent Authorization Notice No.:The C of CN 100423808, authorized announcement date:It is 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, milling, granulation, roasting, sieve, be packaged as finished product.Concave convex stick ceramic grain
Filtrate is made up of Concave-convex clay rod, gangue and volcanic ash ".
Spheroidal ceramsite preparation process:(1) in the comminutor for first addition of powdery dispensing having operated, with the height for preparing
Pressure spray water spray solution in powdery dispensing, delay powdery dispensing on the surface of powdery dispensing by the vaporific aqueous solution adhesion of high pressure
Slowly a kind of bead of diameter less than 0.5 millimeter is processed into, bead continues to roll in comminutor;(2) it is vaporific water-soluble by what is prepared
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 Shi Run bead, powdery dispensing parcel is sticky on the surface of bead, and the volume of bead is in increase;(3) through repeatedly weight
The vaporific aqueous solution of multiple sprinkling and powdery dispensing is trickled down on the surface of Shi Run bead, powdery dispensing is with the vaporific aqueous solution one
In the encapsulation process of the another layer of layer, the volume for promoting bead is constantly increased, and is finally completed the overall process of granulation, is prepared into
A kind of higher spheroidal haydite of intensity.
Because spherical granules internal structure is very closely knit, the effective specific surface area of spherical granules is greatly reduced, circle
The proportion and bulk density of spheric granules is 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 proportion and bulk density are remained than larger, so as to significantly
Reduce absorption, purification, filter capacity and the water absorption rate of spheroidal haydite.
In roasting process, haydite inside is difficult to grill thoroughly completely spheroidal haydite, by the spheroidal haydite do not grilled thoroughly
Being put into water can produce explosion and be disintegrated, and directly influence purification of water quality filter effect.
Jing multiple samplings are tested:Artificial lightweight aggregate average bulk density >=800kg/m3 on the market, mean water absorption
Rate≤18%, spherical attapulgite flower ceramsite average bulk density >=850kg/m3, mean water absorption rate≤50%, Attapulgite ceramic
Grain filtrate average bulk density >=950kg/m3, mean water absorption rate≤40%.
By contrast, the bulk density of this several haydite causes effective specific surface area smaller, water absorption rate all than larger
Than relatively low, user wish to invent fast a kind of advantages of good adsorption effect, the rate of filtration, bulk density≤800kg/m3 and water absorption rate >=
65% light ceramic, with suitable for purification of water quality filtration, soil remediation and various afforestation projects.
Mineral Resources in China 80% is intergrowth mineral, and a large amount of valuable phosphorus, potassium and trace elements are retained among mine tailing,
Tailings impoundment needs to take a large amount of soils, and many Tailings Dams exceed the time limit or excess load is used, or even violation operation, there is Tailings Dam
Greatly potential safety hazard, to people's property and life security of surrounding area serious threat is caused.
At present zeolite is mainly used for producing cement, and the zeolite mine tailing for much not meeting cement plant quality standard is abandoned in a large number
In mining area.
The content of the invention
The purpose of the present invention is to overcome weak point in prior art, there is provided a kind of multi-functional quincunx zeolite mine tailing lightweight
The production method of through hole haydite.
The production method of multi-functional quincunx zeolite mine tailing lightweight through hole haydite:By multi-functional quincunx zeolite mine tailing lightweight
The dispensing of through hole haydite is stirred, extruder grain, drying, roasting, insulation, pack as multi-functional quincunx boiling after screening
Stone mine tailing lightweight through hole haydite.
The dispensing of multi-functional quincunx zeolite mine tailing lightweight through hole haydite is by zeolite mine tailing, high viscous Concave-convex clay rod, work
It is property carclazyte waste residue, activated alumina, nano zine oxide, light magnesium oxide, precipitated calcium carbonate, cenosphere, expanded perlite, swollen
Swollen vermiculite and lauryl sodium sulfate are constituted.
Zeolite has unique internal structure and Crystallochemical Properties so as to water suction, absorption, selective absorption, from
The excellent physicochemical properties such as sub- exchange, catalytic reaction, acidproof and radiation hardness, are a kind of new nonmetallic ore raw materials, the present invention
From grain fineness≤0.074 millimeter of zeolite mine tailing.
Attapulgite also known as palygorskite or Palygorskite, are the clay pits of zeopan containing Shuifu County of a kind of layer of chain structure
Thing, Concave-convex clay rod has unique layer chain structure feature, and crystal is in needle-like, threadiness or fiber collection shape.Concave convex rod
Stone clay has the good colloidal nature such as unique dispersion, high temperature resistant, salt resistance alkali and higher adsorption capacity.
High viscous Concave-convex clay rod is that Jing is broken with Concave-convex clay rod as raw material, immersion, addition, roll-in, drying, powder
A kind of natural prodcuts obtained in the technique such as broken, the good adhesion agent with viscosity higher, are mainly used in fine chemistry industry, building materials, stone
The industries such as oiling work, agricultural, environmental protection, to improve the quality and effect of product, the present invention is from the dynamic of high viscous Concave-convex clay rod
Power viscosity >=2200 mPas, product quality needs the standard for meeting JC/T 2266-2014 Concave-convex clay rod products;This
Grain fineness≤0.074 millimeter of the invention from high viscous Concave-convex clay rod.
Atlapulgite is a kind of odorless, tasteless, nontoxic white or cream-coloured powder or particle, and the activity Jing after decolourizing is white
Soil loses activity and becomes active white clay waste slag, and some oily factories all abandon these active white clay waste slags, if cannot and
When process, produces after the fermentation of lipid organic matter 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 is from active white clay waste slag
Grain fineness≤0.149 millimeter.
Activated alumina is the solid material of a kind of porous, high degree of dispersion, there is very big surface area, its micropore surface tool
Characteristic required by standby catalytic action, such as absorption property, surface-active, excellent heat endurance, so being widely used as
The catalyst and catalyst carrier of chemical reaction, grain fineness≤0.074 millimeter of the present invention from activated alumina.
Nano zine oxide is a kind of new high function fine inorganic product geared to the 21st century, with common zinc oxide institute nothing
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 loose unformed powder of white lightweight, and odorless, tasteless is nontoxic, and volume shared by light magnesium oxide is about
Three times for heavy-burned magnesia or so, there is extremely fireproof heat-insulating property, and reinforcing agent, adhesive, the present invention selects light magnesium oxide
Grain fineness≤0.074 millimeter.
Precipitated calcium carbonate fine particles, surface are rougher, and specific surface area is big, and precipitated calcium carbonate also with not settling, easily divides
Dissipate, the characteristic such as good luster, grain fineness≤0.074 millimeter of the present invention from precipitated calcium carbonate.
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 is big, easily dispersion, grain fineness≤0.149 millimeter of the present invention from cenosphere.
Perlite is expanded and becomes a kind of lightweight, multifunctional novel shaped material, with apparent density it is light, thermal conductivity factor is low,
The features such as chemical stability is good, grain fineness≤0.074 millimeter of the present invention from expanded perlite.
After high-temperature roasting, its volume energy expands rapidly several times to tens times to vermiculite, and the vermiculite after volumetric expansion is swollen
Swollen vermiculite, is one of mineral most light in the world, the present invention from the expanded vermiculite after crushing, the grain fineness of expanded vermiculite≤
0.074 millimeter.
Lauryl sodium sulfate is white or faint yellow powdery, is dissolved in water, insensitive to alkali and hard water, with 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 zeolite mine tailing lightweight through hole haydite:
(1) the stirring mixer for the dispensing input of multi-functional quincunx zeolite mine tailing lightweight through hole semi-finished product having been operated
In, stirring is mixed into the mixture of multi-functional quincunx zeolite mine tailing lightweight through hole semi-finished product, is transported to through belt feeder
It is standby in the feed bin on screw extruder pelletizer top;
(2) will be used to produce the core rod of multi-functional quincunx zeolite mine tailing lightweight through hole semi-finished product, be placed on screw extruding and make
In the template of grain machine, the valve of feed bin is opened, by the mixture of multi-functional quincunx zeolite mine tailing lightweight through hole semi-finished product
In being transported to screw extruder pelletizer, extruder grain is multi-functional quincunx zeolite mine tailing lightweight through hole semi-finished product;Many work(
At 5~60 millimeters, length is controlled at 5~60 millimeters for the external diameter control of zeolite mine tailing lightweight through hole semi-finished product that energy is quincunx,
The through hole internal diameter control at multi-functional quincunx zeolite mine tailing lightweight through hole semi-finished product center is in 1~5 millimeter of ¢, number of openings
Control is at 1~6;
(3), by multi-functional quincunx zeolite mine tailing lightweight through hole semi-finished product, it is transported in swinging drying oven through belt feeder
Dried, the control of swinging drying oven drying temperature at 150~250 DEG C, at 1~4 hour, dried for drying time control by swinging
Dry furnace exhaust gas temperature control is at 50~100 DEG C;
By drying after multi-functional quincunx zeolite mine tailing lightweight through hole semi-finished product, from the discharging opening of swinging drying oven
Swinging roasting kiln roasting is transported to, at 900~950 DEG C, roasting time was controlled at 1~4 hour the temperature control of combustion chamber,
Roaster tail gas temperature control is at 150~250 DEG C;
(5) the multi-functional quincunx zeolite mine tailing lightweight through hole semi-finished product after roasting is arranged from the discharging opening of swinging roaster
Go out, by roasting after multi-functional quincunx zeolite mine tailing lightweight through hole semi-finished product, through U-shaped conveying worm be input into it is stainless
It is incubated in steel cylinder storehouse, temperature retention time was controlled at 24~72 hours;
(6) the valve in stainless steel cylinder storehouse is opened, by the multi-functional quincunx zeolite mine tailing lightweight through hole cooled down after insulation pottery
Grain semi-finished product are transported in cylinder vibratory sieve through belt feeder, are sieved by screen cloth, are packed after screening as multi-functional
Quincunx zeolite mine tailing lightweight through hole haydite finished product, the powder after screening is discharged from powder discharge line, and broken haydite is from broken
Broken haydite discharge line is discharged;
(7) the technique of drying and roasting adopts reflux type, is the high temperature hot gas stream for ejecting burner, by combustion chamber
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 zeolite mine tailing lightweight through hole semi-finished product,
It is introduced into swinging drying oven and is dried, enters back into swinging roasting kiln roasting, the multi-functional quincunx boiling after roasting
Stone mine tailing lightweight through hole semi-finished product, discharges, multi-functional quincunx zeolite mine tailing lightweight from the discharging opening of swinging roaster
Through hole semi-finished product is entered after swinging drying oven and swinging roaster, with high temperature hot gas stream and roaster tail gas thermal current
Flow direction be contrary.
2nd, the dispensing of multi-functional quincunx zeolite mine tailing lightweight through hole semi-finished product is by weight percentage by following component
Composition:Zeolite mine tailing 10~35%, high viscous Concave-convex clay rod 5~25%, active white clay waste slag 2~10%, activated alumina 1
~5%, nano zine oxide 1~5%, light magnesium oxide 1~5%, precipitated calcium carbonate 1~5%, cenosphere 1~5%, expansion
Perlite 0.5~5%, expanded vermiculite 0.5~5%, lauryl sodium sulfate 0.1~5% and water 5~40%.
Zeolite mine tailing in the present invention has water suction, absorption, selective absorption, ion exchange, catalytic reaction, acidproof and resistance to
The excellent physicochemical properties such as radiation, can strengthen absorption and the filter effect of multi-functional quincunx zeolite mine tailing lightweight through hole haydite.
High viscous Concave-convex clay rod has the good colloidal nature such as unique dispersion, high temperature resistant, salt resistance alkali and higher
Adsorption capacity, and with certain plasticity and cohesive force, dynamic viscosity >=2200 mPas of high viscous Concave-convex clay rod,
Adhesive force is good, is conducive to the bonding between raw material, increases intensity and the suction of multi-functional quincunx zeolite mine tailing lightweight through hole haydite
Attached ability.
In roasting process, the lipid organic matter in active white clay waste slag participates in multi-functional plum blossom to active white clay waste slag jointly
The roasting of shape zeolite mine tailing lightweight through hole haydite, improves the heat of combustion-gas flow, not only can save energy, also help many work(
Can the inside of quincunx zeolite mine tailing lightweight through hole haydite can grill thoroughly completely, increase multi-functional quincunx zeolite mine tailing lightweight through hole
Haydite surface and the porosity of inside.
Activated alumina, nano zine oxide and light magnesium oxide are conducive to the multi-functional quincunx zeolite mine tailing lightweight of raising to lead to
The adsorption effect of hole haydite and the intensity of the multi-functional quincunx zeolite mine tailing lightweight through hole haydite of increase.
It is light that precipitated calcium carbonate, cenosphere, expanded perlite and expanded vermiculite can reduce multi-functional quincunx zeolite mine tailing
The bulk density of matter through hole haydite, increases the porosity of multi-functional quincunx zeolite mine tailing lightweight through hole haydite surface and inside.
Lauryl sodium sulfate is adopted in the dispensing of multi-functional quincunx zeolite mine tailing lightweight through hole haydite, is conducive to stirring
Mix and can produce in mixed process substantial amounts of foam, it is micro- inside multi-functional quincunx zeolite mine tailing lightweight through hole haydite to increase
Hole.
The face shaping of multi-functional quincunx zeolite mine tailing lightweight through hole haydite is designed as quincunx, is conducive to increasing many work(
Energy is quincunx, and zeolite mine tailing lightweight through hole haydite voidage each other is led to multi-functional quincunx zeolite mine tailing lightweight is reduced
The bulk density of hole haydite.
The macropore at multi-functional quincunx zeolite mine tailing lightweight through hole haydite center is designed as through hole, is conducive to increasing multi-functional
The effective ratio area of quincunx zeolite mine tailing lightweight through hole haydite, reduce bulk density and increase multi-functional quincunx zeolite tail
The porosity of ore deposit lightweight through hole haydite.
Multi-functional quincunx zeolite mine tailing lightweight through hole semi-finished product moisture content after extruder grain is more than 30%, directly
Swinging roaster high temperature roasting is transported to, in high-temperature calcination process, the surface of semi-finished product first starts sintering curing,
And the water vapour of inside is difficult rapid evaporation out, semi-finished product will produce explosion, nor can be by semi-finished product
Grill thoroughly inside.
The present invention is first transported to multi-functional quincunx zeolite mine tailing lightweight through hole semi-finished product in swinging drying oven
Slowly dried, drying temperature control at 150~250 DEG C, then by drying after multi-functional quincunx zeolite mine tailing lightweight lead to
Hole semi-finished product is transported to swinging roasting kiln roasting, and the temperature control of combustion chamber is at 900~950 DEG C, it can be ensured that
Explosion will not be produced in roasting process, is conducive to grilling thoroughly haydite.
Because swinging roaster is a kind of direct-fired mode, high temperature hot gas stream is from swinging roaster combustion chamber
After high temperature hot gas flow tube road is entered in stove, by the effect of air-introduced machine, thermal current reaches quickly the afterbody of swinging roaster, when
At 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, what tail gas thermal current can be in vain slatterns, and causes direct economic loss.
The present invention is using reverse-flow drying and roasting technique, multi-functional quincunx zeolite mine tailing lightweight through hole semi-finished product
It is contrary with the flow direction of thermal current into after drying oven and roaster, is conducive to multi-functional quincunx zeolite mine tailing
Lightweight through hole semi-finished product slowly improves the temperature of drying and roasting;In drying and roasting process, multi-functional quincunx boiling
Stone mine tailing lightweight through hole semi-finished product will can be grilled thoroughly through continuous uniform drying and roasting 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 into swinging
In drying oven, multi-functional quincunx zeolite mine tailing lightweight through hole semi-finished product is carried out preheating drying, it is not necessary to increase new
Thermal source, 10~25% energy can be saved.
In multi-functional quincunx zeolite mine tailing lightweight through hole semi-finished product after roasting temperature be still up to 700 DEG C with
On, by roasting after multi-functional quincunx zeolite mine tailing lightweight through hole semi-finished product input stainless steel cylinder storehouse in be incubated, can
So that using the waste heat of itself, continuation is uniformly heated to multi-functional quincunx zeolite mine tailing lightweight through hole semi-finished product, not only can
Guarantee completely to grill thoroughly inside multi-functional quincunx zeolite mine tailing lightweight through hole haydite, moreover it is possible to play the work of uniformly dispersing heat
With the inherent quality of the multi-functional quincunx zeolite mine tailing lightweight through hole haydite of raising.
And the production technology of conventional haydite be the haydite after roasting is directly inputted be aerated in rotary cooler it is 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 zeolite mine tailing lightweight through hole haydite surface and inside, are a kind of open pores,
Not only each other insertion is also communicated open pore with the external world, and the macropore at multi-functional quincunx zeolite mine tailing lightweight through hole haydite center is one
Kind of through hole, is conducive in roasting process, will can completely grill thoroughly inside haydite, and can increase haydite effective ratio area,
Intensity and reduction bulk density.
There is the micropore being interconnected in a large number multi-functional quincunx zeolite mine tailing lightweight through hole haydite surface and inside, by many work(
Energy is quincunx, and zeolite mine tailing lightweight through hole haydite is put into water, it will sink under water rapidly, while large quantity of moisture is sucked, will
Air in multi-functional quincunx zeolite mine tailing lightweight through hole haydite internal capillary is cemented out, multi-functional quincunx zeolite mine tailing
In the dry state without dust, being immersed in all the year round in water will not also produce disintegration to lightweight through hole haydite.
Multi-functional quincunx zeolite mine tailing lightweight through hole haydite has that absorption property is good, effective ratio area big, porosity
It 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
The characteristics of macropore is 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
Micropore mazy adsorbs and filters in multi-functional quincunx zeolite mine tailing lightweight through hole haydite, and water body is obtained in flow filtration
To purification;Multi-functional quincunx zeolite mine tailing lightweight through hole haydite is adapted to the growth of each quasi-microorganism, micro- on its surface and inside
Stable, highly active biomembrane is formed in hole, clean-up effect of the microorganism to sewage is improved.
For heavy-metal contaminated soil reparation when, multi-functional quincunx zeolite mine tailing lightweight through hole haydite can be put into note
In the soil of full water, carry out 2~4 times and turn over and weed rake, allow multi-functional quincunx zeolite mine tailing lightweight through hole haydite and soil
Sufficiently contact, multi-functional quincunx zeolite mine tailing lightweight through hole haydite will adsorb the part heavy metal in soil, 3~10 days
Afterwards with specific purpose tool by soil multi-functional quincunx zeolite mine tailing lightweight through hole haydite take out, to reduce soil in weight
Metallic pollution.
After the multi-functional quincunx zeolite mine tailing lightweight through hole haydite for having adsorbed part heavy metal in soil is taken out, adopt
Carried out again with methods such as chemical precipitation, redox process, solvent extraction and separation, absorption method, membrane separation process or ion-exchanges
Raw to process, multi-functional quincunx zeolite mine tailing lightweight through hole haydite is carried out after regeneration process in input swinging drying oven
Drying, can repeatedly use.
Because the micropore on multi-functional quincunx zeolite mine tailing lightweight through hole haydite surface and inside is interconnected, work as pottery
After the outer mazy micropore of intragranular is by the fine particles adsorption saturation in water body, High-Pressure Water is taken to multi-functional quincunx zeolite
Mine tailing lightweight through hole haydite is backwashed, and fine particles that can be quickly by absorption in micropore inside and outside haydite are rinsed well,
It is used further to the purification of water quality filtration treatment program of next round.With the purification of water quality rate of filtration it is fast, backwash effect is good, operation is all
Phase length, the characteristics of utilization rate is high.
Although the water absorption rate of multi-functional quincunx zeolite mine tailing lightweight through hole haydite is higher, even if during water absorption rate >=80%,
The appearance of multi-functional quincunx zeolite mine tailing lightweight through hole haydite is a kind of state of moistening, and not obvious water is leaked out
Come, multi-functional quincunx zeolite mine tailing lightweight through hole haydite is packed together, numerous spaces are formed each other, will not glue
Together, permeability is good for knot.
In order to ensure the normal growth of plant is developed, water, the fertilizer of liquid or inorganic fertilizer are sprayed at into multi-functional plum blossom
In shape zeolite mine tailing lightweight through hole haydite, it is also possible to which multi-functional quincunx zeolite mine tailing lightweight through hole haydite is immersed in water, is had
In the solution of machine fertilizer or inorganic fertilizer, multi-functional quincunx zeolite mine tailing lightweight through hole haydite absorbs a certain amount of water of storage or liquid
Take out after fertilizer, for cultivating or planting when various nursery stocks, flowers and plants and vegetables, the root of plant is from multi-functional quincunx zeolite mine tailing
Water or the nutrient content in liquid fertilizer are absorbed in lightweight through hole haydite, it is ensured that growth and development of plants is good, survival rate is high with the life-span more
It is long, and the number of times of moisturizing can be greatly reduced.
Multi-functional quincunx zeolite mine tailing lightweight through hole haydite be applied to purification of water quality filtration, soil remediation, afforestation,
Various afforestation projects such as green barren hill, roof greening, alkaline land improvement, control of desert, Grassland Desertification improvement and home gardening.
It is quincunx, cylindrical, round that the production method of multi-functional quincunx zeolite mine tailing lightweight through hole haydite is applied to production
The multi-functional zeolite mine tailing lightweight through hole haydite of different shapes such as spherical.
Description of the drawings
Fig. 1 is the total schematic diagram of the technological process of production of multi-functional quincunx zeolite mine tailing lightweight through hole haydite, and Fig. 2 is extruding
Prilling schematic flow sheet, Fig. 3 is drying and roasting technique schematic flow sheet, and Fig. 4 is that insulation and sieving technology flow process are illustrated
Figure, Fig. 5 is the schematic diagram of multi-functional quincunx zeolite mine tailing lightweight through hole semi-finished product, and Fig. 6 is multi-functional quincunx zeolite
To profile, Fig. 7 is the product of multi-functional quincunx zeolite mine tailing lightweight through hole haydite to the A-A of mine tailing lightweight through hole semi-finished product
Product schematic diagram, Fig. 8 is the product schematic diagram of Multi-functional circular cylindricality zeolite mine tailing lightweight through hole haydite, and Fig. 9 is that Multi-functional circular is spherical
The product schematic diagram of zeolite mine tailing lightweight through hole haydite.
As shown in the figure:1 is the dispensing of multi-functional quincunx zeolite mine tailing lightweight through hole semi-finished product, and 2 is stirring mixing
Machine, 3 is the mixture of multi-functional quincunx zeolite mine tailing lightweight through hole semi-finished product, and 4 is belt feeder, and 5 is feed bin, and 6 is valve
Door, 7 is screw extruder pelletizer, and 8 is the template of screw extruder pelletizer, and 9 is for producing multi-functional quincunx zeolite mine tailing
The core rod of lightweight through hole semi-finished product, 10 is multi-functional quincunx zeolite mine tailing lightweight through hole semi-finished product, and 11 is belt
Machine, 12 is swinging drying oven, and 13 is swinging drying oven drying temperature, and 14 is roaster tail gas thermal current, and 15 is roaster
Exhaust temperature, 16 is the discharging opening of swinging drying oven, and 17 is the multi-functional quincunx zeolite mine tailing lightweight through hole after drying
Semi-finished product, 18 is swinging roaster, and 19 is the temperature of combustion chamber, and 20 is the high temperature hot gas flow tube road of combustion chamber, and 21 are
The discharging opening of swinging roaster, 22 is the multi-functional quincunx zeolite mine tailing lightweight through hole semi-finished product after roasting, and 23 is U
Type conveying worm, 24 is stainless steel cylinder storehouse, and 25 is stainless steel cylinder storehouse valve, and 26 is the multi-functional quincunx boiling after insulation
Stone mine tailing lightweight through hole semi-finished product, 27 is belt feeder, and 28 is powder discharge line, and 29 is to crush haydite discharge line, 30
It is cylinder vibratory sieve, 31 is screen cloth, and 32 is multi-functional quincunx zeolite mine tailing lightweight through hole haydite finished product, and 33 is high temperature hot gas stream
Flow direction, 34 is swinging drying oven exhaust temperature, and 35 is drying oven exhaust pipe, and 36 is multi-functional quincunx zeolite mine tailing
The external diameter of lightweight through hole semi-finished product, 37 is the through hole at multi-functional quincunx zeolite mine tailing lightweight through hole semi-finished product center
Internal diameter, 38 is the number of openings of multi-functional quincunx zeolite mine tailing lightweight through hole semi-finished product, and 39 is multi-functional quincunx boiling
The length of stone mine tailing lightweight through hole semi-finished product.
Specific embodiment
With reference to embodiment, the invention will be further described:
1st, the production method of multi-functional quincunx zeolite mine tailing lightweight through hole haydite:
(1) the dispensing 1 of multi-functional quincunx zeolite mine tailing lightweight through hole semi-finished product is input into the stirring mixer for having operated
In 2, stirring is mixed into the mixture 3 of multi-functional quincunx zeolite mine tailing lightweight through hole semi-finished product, conveys through belt feeder 4
It is standby in the feed bin 5 on the top of screw extruder pelletizer 7;
(2) will be used to produce the core rod 9 of multi-functional quincunx zeolite mine tailing lightweight through hole semi-finished product, be placed on screw extruding
In the template 8 of comminutor 7, the valve 6 of feed bin 5 is opened, by multi-functional quincunx zeolite mine tailing lightweight through hole semi-finished product
Mixture 3 is transported in screw extruder pelletizer 7, extruder grain be multi-functional quincunx zeolite mine tailing lightweight through hole haydite half into
Product 10;The external diameter 36 of multi-functional quincunx zeolite mine tailing lightweight through hole semi-finished product is controlled at 8 millimeters, and length 39 is controlled 8
Millimeter, the internal diameter 37 of through hole 38 at multi-functional quincunx zeolite mine tailing lightweight through hole semi-finished product center is controlled in 1.5 millimeters of ¢,
The quantity of through hole 38 is controlled at 1;
(3), by multi-functional quincunx zeolite mine tailing lightweight through hole semi-finished product 10, swinging drying is transported to through belt feeder 11
Dried in stove 12, the drying temperature 13 of swinging drying oven 12 is controlled at 150~250 DEG C, and drying time was controlled at 2 hours,
The exhaust temperature 34 of swinging drying oven 12 is controlled at 50~80 DEG C;
By drying after multi-functional quincunx zeolite mine tailing lightweight through hole semi-finished product 16, from going out for swinging drying oven 12
Material mouth 17 is transported to roasting in swinging roaster 18, and the temperature 19 of combustion chamber is controlled at 920~940 DEG C, and roasting time is controlled
At 2 hours, roaster tail gas temperature 15 was controlled at 150~250 DEG C,;
(5) discharging of the multi-functional quincunx zeolite mine tailing lightweight through hole semi-finished product 22 after roasting from swinging roaster 18
Mouthfuls 21 discharge, by roasting after multi-functional quincunx zeolite mine tailing lightweight through hole semi-finished product 22, through U-shaped conveying worm
It is incubated in 23 input stainless steel cylinder storehouses 24, temperature retention time was controlled at 48 hours;
(6) the valve 25 in stainless steel cylinder storehouse 24 is opened, the multi-functional quincunx zeolite mine tailing lightweight cooled down after insulation is led to
Hole semi-finished product 26 is transported in cylinder vibratory sieve 30 through belt feeder 27, is sieved by screen cloth 31, is sealed after screening
Multi-functional quincunx zeolite mine tailing lightweight through hole haydite finished product 32 is packaged as, the powder after screening is from the row of powder discharge line 28
Go out, broken haydite is discharged from broken haydite discharge line 29;
(7) the technique of drying and roasting adopts reflux type, is the high temperature hot gas stream 33 for ejecting burner, by combustion chamber
The high temperature hot gas flow tube road 20 at center enters swinging roaster 18, and the tail gas thermal current 14 of swinging roaster 18 enters swinging
Drying oven 12, the tail gas of swinging drying oven 12 is discharged by drying oven exhaust pipe 35;Multi-functional quincunx zeolite mine tailing lightweight
Through hole semi-finished product 10, is introduced into swinging drying oven 12 and is dried, and enters back into roasting in swinging roaster 18, roasting
Multi-functional quincunx zeolite mine tailing lightweight through hole semi-finished product 22 after burning, from the row of discharging opening 21 of swinging roaster 18
Go out, multi-functional quincunx zeolite mine tailing lightweight through hole semi-finished product 10 enters swinging drying oven 12 and swinging roaster 18
Afterwards, it is contrary with the flow direction of high temperature hot gas stream 33 and roaster tail gas thermal current 14.
2nd, the dispensing of multi-functional quincunx zeolite mine tailing lightweight through hole semi-finished product is by weight percentage by following component
Composition:It is zeolite mine tailing 30%, high viscous Concave-convex clay rod 20%, active white clay waste slag 6%, activated alumina 3%, nano oxidized
Zinc 2%, precipitated calcium carbonate 3%, light magnesium oxide 2%, cenosphere 2%, expanded perlite 1%, expanded vermiculite 1%, 12
Sodium alkyl sulfate 2% and water 28%.
3rd, it is 720kg/m3 to survey multi-functional quincunx zeolite mine tailing lightweight through hole haydite average bulk density, and water absorption rate is
80%.
Claims (3)
1. a kind of production method of multi-functional quincunx zeolite mine tailing lightweight through hole haydite, it is characterised in that (1) by multi-functional plum
In the stirring mixer that the dispensing input of flower-shape zeolite mine tailing lightweight through hole semi-finished product has operated, stirring is mixed into many work(
The mixture of zeolite mine tailing lightweight through hole semi-finished product that energy is quincunx, through belt feeder screw extruder pelletizer top is transported to
Feed bin in it is standby;
(2) will be used to produce the core rod of multi-functional quincunx zeolite mine tailing lightweight through hole semi-finished product, be placed on screw extruding and make
In the template of grain machine, the valve of feed bin is opened, by the mixture of multi-functional quincunx zeolite mine tailing lightweight through hole semi-finished product
In being transported to screw extruder pelletizer, extruder grain is multi-functional quincunx zeolite mine tailing lightweight through hole semi-finished product;Many work(
At 5~60 millimeters, length is controlled at 5~60 millimeters for the external diameter control of zeolite mine tailing lightweight through hole semi-finished product that energy is quincunx,
The through hole internal diameter control at multi-functional quincunx zeolite mine tailing lightweight through hole semi-finished product center is in 1~5 millimeter of ¢, number of openings
Control is at 1~6;
(3), by multi-functional quincunx zeolite mine tailing lightweight through hole semi-finished product, it is transported in swinging drying oven through belt feeder
Dried, the control of swinging drying oven drying temperature at 150~250 DEG C, at 1~4 hour, dried for drying time control by swinging
Dry furnace exhaust gas temperature control is at 50~100 DEG C;
By drying after multi-functional quincunx zeolite mine tailing lightweight through hole semi-finished product, from the discharging opening of swinging drying oven
Swinging roasting kiln roasting is transported to, at 900~950 DEG C, roasting time was controlled at 1~4 hour the temperature control of combustion chamber,
Roaster tail gas temperature control is at 150~250 DEG C;
(5) the multi-functional quincunx zeolite mine tailing lightweight through hole semi-finished product after roasting is arranged from the discharging opening of swinging roaster
Go out, by roasting after multi-functional quincunx zeolite mine tailing lightweight through hole semi-finished product, through U-shaped conveying worm be input into it is stainless
It is incubated in steel cylinder storehouse, temperature retention time was controlled at 24~72 hours;
(6) the valve in stainless steel cylinder storehouse is opened, by the multi-functional quincunx zeolite mine tailing lightweight through hole cooled down after insulation pottery
Grain semi-finished product are transported in cylinder vibratory sieve through belt feeder, are sieved by screen cloth, are packed after screening as multi-functional
Quincunx zeolite mine tailing lightweight through hole haydite finished product, the powder after screening is discharged from powder discharge line, and broken haydite is from broken
Broken haydite discharge line is discharged;
(7) the technique of drying and roasting adopts reflux type, is the high temperature hot gas stream for ejecting burner, by combustion chamber
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 zeolite mine tailing lightweight through hole semi-finished product,
It is introduced into swinging drying oven and is dried, enters back into swinging roasting kiln roasting, the multi-functional quincunx boiling after roasting
Stone mine tailing lightweight through hole semi-finished product, discharges, multi-functional quincunx zeolite mine tailing lightweight from the discharging opening of swinging roaster
Through hole semi-finished product is entered after swinging drying oven and swinging roaster, with high temperature hot gas stream and roaster tail gas thermal current
Flow direction be contrary.
2. the production method of multi-functional quincunx zeolite mine tailing lightweight through hole haydite according to claim 1, its feature exists
In the dispensing of multi-functional quincunx zeolite mine tailing lightweight through hole semi-finished product is made up of by weight percentage following component:Boiling
Stone mine tailing 10~35%, high viscous Concave-convex clay rod 5~25%, active white clay waste slag 2~10%, activated alumina 1~5%,
Nano zine oxide 1~5%, light magnesium oxide 1~5%, precipitated calcium carbonate 1~5%, cenosphere 1~5%, expanded perlite
0.5~5%, expanded vermiculite 0.5~5%, lauryl sodium sulfate 0.1~5% and water 5~40%.
3. the production method of multi-functional quincunx zeolite mine tailing lightweight through hole haydite according to claim 1, its feature exists
In grain fineness≤0.074 millimeter of zeolite mine tailing, grain fineness≤0.074 millimeter of high viscous Concave-convex clay rod, activity is white
Grain fineness≤0.149 millimeter of native waste residue, grain fineness≤0.074 millimeter of activated alumina, the particle of light magnesium oxide
Fineness≤0.074 millimeter, grain fineness≤0.074 millimeter of precipitated calcium carbonate, cenosphere grain fineness≤0.149 millimeter,
Grain fineness≤0.074 millimeter of expanded perlite, grain fineness≤0.074 millimeter of expanded vermiculite.
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Citations (2)
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CN102247800A (en) * | 2011-04-11 | 2011-11-23 | 信阳师范学院 | Composite ceramsite prepared from bentonite, perlite and zeolite serving as main raw materials and preparation method of composite ceramsite |
CN105906321A (en) * | 2016-06-28 | 2016-08-31 | 平凉华晨非金属应用科技有限公司 | Coal gangue lightweight through-hole ceramsite |
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2016
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CN102247800A (en) * | 2011-04-11 | 2011-11-23 | 信阳师范学院 | Composite ceramsite prepared from bentonite, perlite and zeolite serving as main raw materials and preparation method of composite ceramsite |
CN105906321A (en) * | 2016-06-28 | 2016-08-31 | 平凉华晨非金属应用科技有限公司 | Coal gangue lightweight through-hole ceramsite |
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