CN106431253A - Production method of multifunctional plum-blossom-shaped lightweight through-hole ceramsite containing sepiolite - Google Patents

Production method of multifunctional plum-blossom-shaped lightweight through-hole ceramsite containing sepiolite Download PDF

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CN106431253A
CN106431253A CN201610837684.XA CN201610837684A CN106431253A CN 106431253 A CN106431253 A CN 106431253A CN 201610837684 A CN201610837684 A CN 201610837684A CN 106431253 A CN106431253 A CN 106431253A
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sepiolite
lightweight
hole
finished product
functional quincunx
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许庆华
王鲁海
焦文涛
金白云
吴青
吴一青
袁欣
蒋文兰
许盛英
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Abstract

The invention discloses a production method of multifunctional plum-blossom-shaped lightweight through-hole ceramsite containing sepiolite. The technical scheme of the production method is characterized in that the multifunctional plum-blossom-shaped lightweight through-hole ceramsite containing the sepiolite is prepared from ingredients through stirring, extruding granulation, drying, roasting, heat preservation, sieving and sealed packaging; the ingredients contain the sepiolite, high-viscosity attapulgite clay, zeolite, activated clay waste residues, activated aluminum oxide, nano-zinc oxide, light magnesium oxide, light calcium carbonate, hollow microspheres, expanded perlite, expanded vermiculite and lauryl sodium sulfate, and the produced multifunctional plum-blossom-shaped lightweight through-hole ceramsite containing the sepiolite has the characteristics of being good in adsorptive property, large in effective specific surface area, high in porosity, low in stacking density and high in lightweight strength and integrating micropores and macropores and is suitable for various greening projects such as water purification and filtration, soil remediation, landscaping, roof greening, desertification control and the like; the production method of the multifunctional plum-blossom-shaped lightweight through-hole ceramsite containing the sepiolite is suitable for producing the multifunctional sepiolite-containing lightweight through-hole ceramsite with different shapes such as a plum-blossom shape, a cylindrical shape, a spheroidal shape and the like.

Description

The production method of multi-functional quincunx sepiolite lightweight through hole haydite
Technical field
The present invention relates to haydite is and in particular to a kind of production method of multi-functional quincunx sepiolite 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 granulation, 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, thermal conductivity factor 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 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.：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 Concave-convex clay rod powder, Concave-convex clay rod mine tailing, red bentonite in powder, mud, diatomite mine tailing and powdered rice hulls group Become.The dispensing of spherical attapulgite flower ceramsite is packaged as spheroidal through mixing, granulation, 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, abrasive dust, 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) 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 the vaporific aqueous solution and powdery dispensing trickled down on the surface of moistening bead, powdery dispensing and the 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 granulation, 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 spheric granules 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 can produce explosion in water and be disintegrated, 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 sepiolite lightweight to lead to The production method of hole haydite.
The production method of multi-functional quincunx sepiolite lightweight through hole haydite：By multi-functional quincunx sepiolite lightweight through hole The dispensing of haydite is stirred, extruder grain, drying, roasting, insulation, pack as multi-functional quincunx sepiolite after screening Lightweight through hole haydite.
The dispensing of multi-functional quincunx sepiolite lightweight through hole haydite is by sepiolite, high viscous Concave-convex clay rod, zeolite, work 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 composition.
Sepiolite clay has unique internal structure and Crystallochemical Properties so as to having water suction, absorption, selectively inhaling 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 grain fineness≤0.074 millimeter of sepiolite clay.
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 the layer chain structure feature of uniqueness, and crystal is in needle-like, fibrous or fiber collection shape.Concave convex rod Stone clay has good colloidal nature and the higher adsorption capacities such as the dispersion of uniqueness, high temperature resistant, salt resistance alkali.
High viscous Concave-convex clay rod is with Concave-convex clay rod 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 Concave-convex clay rod product；This Invention is from grain fineness≤0.074 millimeter of high viscous Concave-convex clay rod.
Natural zeolite has unique internal structure and Crystallochemical Properties so as to having water suction, absorption, selectively inhaling 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 grain fineness≤0.074 millimeter of zeolite.
Atlapulgite is a kind of odorless, tasteless, nontoxic white or cream-coloured powder or particle, 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 Grain fineness≤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-active, excellent heat endurance etc., so be widely used as The catalyst of chemical reaction and catalyst carrier, the present invention selects grain fineness≤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 Grain fineness≤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 grain fineness≤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 grain fineness≤0.149 millimeter of cenosphere.
Perlite is expanded and becomes a kind of lightweight, multifunctional novel shaped material, have that apparent density is light, thermal conductivity factor is low, The features such as chemical stability is good, the present invention selects grain fineness≤0.074 millimeter of 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 the lightest in the world, the present invention from the expanded vermiculite after pulverizing, 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, 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 sepiolite lightweight through hole haydite：
(1) in the stirring mixer dispensing input of multi-functional quincunx sepiolite lightweight through hole semi-finished product having operated, Stirring is mixed into the mixture of multi-functional quincunx sepiolite 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 sepiolite lightweight through hole semi-finished product, be placed on screw extruding granulation In the template of machine, open the valve of feed bin, by the mixture conveying of multi-functional quincunx sepiolite lightweight through hole semi-finished product To in screw extruder pelletizer, extruder grain is multi-functional quincunx sepiolite lightweight through hole semi-finished product；Multi-functional plum blossom The external diameter of shape sepiolite lightweight through hole semi-finished product controls at 5～60 millimeters, and length controls at 5～60 millimeters, multi-functional plum The through hole internal diameter at flower-shape sepiolite 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 sepiolite 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 sepiolite 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 combustion chamber, roasting Burn furnace exhaust gas temperature control at 150～250 DEG C；
(5) the multi-functional quincunx sepiolite lightweight through hole semi-finished product after roasting is discharged from the discharging opening of swinging roaster, By the multi-functional quincunx sepiolite lightweight through hole semi-finished product after roasting, through U-shaped conveying worm input stainless steel circle It is incubated in silos, temperature retention time controlled at 24～72 hours；
(6) open the valve in stainless steel cylinder storehouse, by cooled multi-functional quincunx sepiolite lightweight through hole haydite after insulation Semi-finished product are transported in cylinder vibratory sieve through belt feeder, are sieved by screen cloth, pack as multi-functional plum after screening Flower-shape sepiolite 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 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 sepiolite 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 Hai Pao after roasting Stone lightweight through hole semi-finished product, discharges from the discharging opening of swinging roaster, multi-functional quincunx sepiolite 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 sepiolite lightweight through hole semi-finished product is by weight percentage by following component group Become：Sepiolite 10～35%, high viscous Concave-convex clay rod 5～20%, zeolite 5～20%, active white clay waste slag 2～10%, work Property aluminum 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%, lauryl sodium sulfate 0.1～5% and water 5～40%.
Sepiolite clay in the present invention have water suction, absorption, selective absorption, ion exchange, catalytic reaction, acidproof and The excellent physicochemical property such as radiation hardness, can improve the adsorption capacity of multi-functional quincunx sepiolite lightweight through hole haydite.
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 Adsorption capacity, 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 sepiolite lightweight through hole haydite Ability.
Natural zeolite has unique internal structure and Crystallochemical Properties so as to having water suction, absorption, selectively inhaling The excellent physicochemical property such as attached, ion exchange, catalytic reaction, acidproof and radiation hardness, can strengthen multi-functional quincunx sepiolite 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 plum blossom to active white clay waste slag jointly The roasting of shape sepiolite lightweight through hole haydite, improves the heat of combustion-gas flow, not only can save energy, also help multi-functional The inside of quincunx sepiolite lightweight through hole haydite can be grilled thoroughly completely, increases multi-functional quincunx sepiolite 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 sepiolite lightweight through hole The adsorption effect of haydite and the intensity increasing multi-functional quincunx sepiolite lightweight through hole haydite.
Precipitated calcium carbonate, cenosphere, expanded perlite and expanded vermiculite can reduce multi-functional quincunx sepiolite lightweight The bulk density of through hole haydite, increases multi-functional quincunx sepiolite lightweight through hole haydite surface and internal porosity.
Adopt lauryl sodium sulfate in the dispensing of multi-functional quincunx sepiolite lightweight through hole haydite, be conducive in stirring Substantial amounts of foam can be produced, to increase the micropore within multi-functional quincunx sepiolite lightweight through hole haydite in mixed process.
The face shaping of multi-functional quincunx sepiolite lightweight through hole haydite is designed as quincunx, is conducive to increasing multi-functional Quincunx sepiolite lightweight through hole haydite voidage each other and the multi-functional quincunx sepiolite lightweight through hole haydite of reduction Bulk density.
The macropore at multi-functional quincunx sepiolite lightweight through hole haydite center is designed as through hole, is conducive to increasing multi-functional plum The effective ratio area of flower-shape sepiolite lightweight through hole haydite, reduction bulk density and the multi-functional quincunx sepiolite lightweight of increase The porosity of through hole haydite.
Multi-functional quincunx sepiolite 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 sepiolite 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 sepiolite lightweight through hole pottery after drying Grain semi-finished product are transported to swinging roasting kiln roasting, and the temperature control of combustion chamber 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 combustion chamber 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 sepiolite 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 sepiolite lightweight Through hole semi-finished product slowly improves the temperature dried with roasting；In drying and roasting process, multi-functional quincunx sepiolite 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 sepiolite 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 sepiolite 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 sepiolite lightweight through hole semi-finished product input stainless steel cylinder storehouse after roasting, permissible Using the waste heat of itself, continue multi-functional quincunx sepiolite lightweight through hole semi-finished product is uniformly heated, not only can ensure that Grill thoroughly inside multi-functional quincunx sepiolite 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 sepiolite 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 sepiolite 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 sepiolite 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 sepiolite lightweight through hole haydite surface and inside, will be multi-functional Quincunx sepiolite 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 sepiolite lightweight through hole haydite internal capillary cement out, multi-functional quincunx sepiolite 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 disintegration yet.
Multi-functional quincunx sepiolite 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 sepiolite lightweight through hole haydite, micropore mazy is adsorbed and is filtered, and water body obtains in flow filtration Purify；Multi-functional quincunx sepiolite 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 sepiolite 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 sepiolite lightweight through hole haydite abundant with soil Contact, multi-functional quincunx sepiolite lightweight through hole haydite will adsorb the part heavy metal in soil, with specially after 3～10 days With instrument, the multi-functional quincunx sepiolite lightweight through hole haydite in soil is taken out, heavy metal-polluted in soil in order to reduce Dye.
After the multi-functional quincunx sepiolite lightweight through hole haydite having adsorbed part heavy metal in soil is taken out, adopt The methods such as chemical precipitation, redox process, solvent extraction and separation, absorption method, membrane separation process or ion-exchange are regenerated Process, multi-functional quincunx sepiolite lightweight through hole haydite, after regeneration process, is dried in input swinging drying oven, Can repeatedly use.
Because multi-functional quincunx sepiolite 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 sepiolite Lightweight through hole haydite is backwashed, and 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, the cycle of operation Feature long, that utilization rate is high.
Although the water absorption rate of multi-functional quincunx sepiolite lightweight through hole haydite is higher, even if during water absorption rate >=80%, many The appearance of function is quincunx sepiolite lightweight through hole haydite is also a kind of moistening state, and significantly water does not leak out Come, multi-functional quincunx sepiolite 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 plum blossom It is also possible to multi-functional quincunx sepiolite lightweight through hole haydite is immersed in water, fertilizer in shape sepiolite lightweight through hole haydite Or in the solution of inorganic fertilizer, multi-functional quincunx sepiolite 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 vegetables, the root of plant is from multi-functional quincunx sepiolite lightweight through hole Nutrient content 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 sepiolite 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 sepiolite lightweight through hole haydite is applied to quincunx, the cylindrical, ball of production The Multifunction fishing of different shapes afrodite lightweight through hole haydite such as shape.
Brief description
Fig. 1 is the total schematic diagram of the technological process of production of multi-functional quincunx sepiolite 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 sepiolite lightweight through hole semi-finished product, and Fig. 6 is multi-functional quincunx sepiolite lightweight To profile, Fig. 7 is the product schematic diagram of multi-functional quincunx sepiolite 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 sepiolite lightweight through hole haydite, and Fig. 9 is that Multi-functional circular spherical sepiolite lightweight is led to The product schematic diagram of hole haydite.
As shown in the figure：1 is the dispensing of multi-functional quincunx sepiolite lightweight through hole semi-finished product, and 2 is stirring mixer, 3 is the mixture of multi-functional quincunx sepiolite 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 sepiolite lightweight through hole The core rod of semi-finished product, 10 is multi-functional quincunx sepiolite 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 sepiolite lightweight through hole semi-finished product after drying, 18 It is swinging roaster, 19 is the temperature of combustion chamber, 20 is the high temperature hot gas flow tube road of combustion chamber, and 21 is swinging roaster Discharging opening, 22 is the multi-functional quincunx sepiolite lightweight through hole semi-finished product after roasting, and 23 is U-shaped conveying worm, 24 It is stainless steel cylinder storehouse, 25 is stainless steel cylinder storehouse valve, 26 is the multi-functional quincunx sepiolite 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 vibratory sieve, 31 It is screen cloth, 32 is multi-functional quincunx sepiolite 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 sepiolite lightweight through hole semi-finished product External diameter, 37 is the through hole internal diameter at multi-functional quincunx sepiolite lightweight through hole semi-finished product center, and 38 is multi-functional plum blossom The number of openings of shape sepiolite lightweight through hole semi-finished product, 39 is multi-functional quincunx sepiolite 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 sepiolite lightweight through hole haydite：
(1) the dispensing 1 of multi-functional quincunx sepiolite 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 sepiolite 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 sepiolite 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 sepiolite lightweight through hole semi-finished product Thing 3 is transported in screw extruder pelletizer 7, and extruder grain is multi-functional quincunx sepiolite lightweight through hole semi-finished product 10； The external diameter 36 of multi-functional quincunx sepiolite 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 sepiolite 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 sepiolite 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 sepiolite 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 combustion chamber 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 sepiolite 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 sepiolite lightweight through hole semi-finished product 22 after roasting, defeated through U-shaped conveying worm 23 Enter insulation in stainless steel cylinder storehouse 24, temperature retention time controlled at 48 hours；
(6) open the valve 25 in stainless steel cylinder storehouse 24, by cooled multi-functional quincunx sepiolite lightweight through hole after insulation Semi-finished product 26 is transported in cylinder vibratory sieve 30 through belt feeder 27, is sieved by screen cloth 31, sealed bundle after screening Fill as multi-functional quincunx sepiolite 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 combustion chamber 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 sepiolite 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 sepiolite lightweight through hole semi-finished product 22 afterwards, discharges from the discharging opening 21 of swinging roaster 18, many After sepiolite 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 sepiolite lightweight through hole semi-finished product is by weight percentage by following component group Become：Sepiolite 30%, high viscous Concave-convex clay rod 10%, zeolite 10%, active white clay waste slag 5%, activated alumina 3%, receive Rice zinc oxide 2%, precipitated calcium carbonate 2%, light magnesium oxide 2%, cenosphere 2%, expanded perlite 1%, expanded vermiculite 1%th, lauryl sodium sulfate 2% and water 30%.
3rd, surveying multi-functional quincunx sepiolite lightweight through hole haydite average bulk density is 650kg/m, and water absorption rate is 90%.

Claims (3)

1. a kind of production method of multi-functional quincunx sepiolite lightweight through hole haydite is it is characterised in that (1) by multi-functional plum blossom In the stirring mixer that the dispensing input of shape sepiolite lightweight through hole semi-finished product has operated, stirring is mixed into multi-functional plum The mixture of flower-shape sepiolite 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 sepiolite lightweight through hole semi-finished product, be placed on screw extruding granulation In the template of machine, open the valve of feed bin, by the mixture conveying of multi-functional quincunx sepiolite lightweight through hole semi-finished product To in screw extruder pelletizer, extruder grain is multi-functional quincunx sepiolite lightweight through hole semi-finished product；Multi-functional plum blossom The external diameter of shape sepiolite lightweight through hole semi-finished product controls at 5～60 millimeters, and length controls at 5～60 millimeters, multi-functional plum The through hole internal diameter at flower-shape sepiolite 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 sepiolite 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 sepiolite 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 combustion chamber, roasting Burn furnace exhaust gas temperature control at 150～250 DEG C；
(5) the multi-functional quincunx sepiolite lightweight through hole semi-finished product after roasting is discharged from the discharging opening of swinging roaster, By the multi-functional quincunx sepiolite lightweight through hole semi-finished product after roasting, through U-shaped conveying worm input stainless steel circle It is incubated in silos, temperature retention time controlled at 24～72 hours；
(6) open the valve in stainless steel cylinder storehouse, by cooled multi-functional quincunx sepiolite lightweight through hole haydite after insulation Semi-finished product are transported in cylinder vibratory sieve through belt feeder, are sieved by screen cloth, pack as multi-functional plum after screening Flower-shape sepiolite 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 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 sepiolite 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 Hai Pao after roasting Stone lightweight through hole semi-finished product, discharges from the discharging opening of swinging roaster, multi-functional quincunx sepiolite 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 sepiolite lightweight through hole haydite according to claim 1 production method it is characterised in that The dispensing of multi-functional quincunx sepiolite lightweight through hole semi-finished product is made up of following component by weight percentage：Sepiolite 10 ～35%, high viscous Concave-convex clay rod 5～20%, 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%, lauryl sodium sulfate 0.1～5% and water 5～40%.
3. multi-functional quincunx sepiolite lightweight through hole haydite according to claim 1 production method it is characterised in that Grain fineness≤0.074 millimeter of sepiolite, grain fineness≤0.074 millimeter of high viscous Concave-convex clay rod, the particle of zeolite Fineness≤0.074 millimeter, grain fineness≤0.149 millimeter of active white clay waste slag, grain fineness≤0.074 of activated alumina Millimeter, grain fineness≤0.074 millimeter of light magnesium oxide, 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 of expanded vermiculite Millimeter.
CN201610837684.XA 2016-09-21 2016-09-21 Production method of multifunctional plum-blossom-shaped lightweight through-hole ceramsite containing sepiolite Withdrawn CN106431253A (en)

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