CN106431338A - Production method of multifunctional quincunx silica light through-hole ceramsite - Google Patents

Production method of multifunctional quincunx silica light through-hole ceramsite Download PDF

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Publication number
CN106431338A
CN106431338A CN201610854778.8A CN201610854778A CN106431338A CN 106431338 A CN106431338 A CN 106431338A CN 201610854778 A CN201610854778 A CN 201610854778A CN 106431338 A CN106431338 A CN 106431338A
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silica
lightweight
finished product
hole
functional quincunx
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Inventor
陈馨
黄庆英
焦文涛
许庆华
王鲁海
邱茗
王跃皓
蒋文兰
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Gansu Huachen Ecological Management Co Ltd
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Gansu Huachen Ecological Management Co Ltd
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    • C04B2235/3427—Silicates other than clay, e.g. water glass
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Abstract

The invention discloses a production method of multifunctional quincunx silica light through-hole ceramsite. The key point of the technical scheme is that the ingredients are subjected to stirring, extrusion granulation, drying, roasting, heat preservation, screening and sealing and packaging to obtain the multifunctional quincunx silica light through-hole ceramsite; and the ingredients include silica, high-viscosity attapulgite clay, zeolite, activated clay waste residue, activated aluminum oxide, nano zinc oxide, light magnesium oxide, light calcium carbonate, hollow microspheres, expanded perlite, expanded vermiculite and sodium dodecyl sulfate. The multifunctional quincunx silica light through-hole ceramsite has the characteristics of good adsorption property, large effective specific surface area, high porosity, low bulk density, light weight and high strength and integration of micropores and macropores and is suitable for multiple landscape engineering such as water purification and filtration, soil remediation, landscaping, roof greening and desert control; and the production method of multifunctional quincunx silica light through-hole ceramsite is suitable for producing multifunctional silica light through-hole ceramsite of different shapes such as quincunx, cylindrical shape and spherical shape.

Description

The production method of multi-functional quincunx silica 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 silica 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 silica lightweight through hole The production method of haydite.
The production method of multi-functional quincunx silica lightweight through hole haydite：By multi-functional quincunx silica lightweight through hole haydite Dispensing be stirred, extruder grain, drying, roasting, insulation, pack after screening and lead to for multi-functional quincunx silica lightweight Hole haydite.
The dispensing of multi-functional quincunx silica lightweight through hole haydite is white by silica, high viscous Concave-convex clay rod, zeolite, activity Native waste residue, activated alumina, nano zine oxide, light magnesium oxide, precipitated calcium carbonate, cenosphere, expanded perlite, expansion leech Stone and lauryl sodium sulfate composition.
Silica is the general name of vein quartz, quartzite, quartzy sandstone, has useless in substantial amounts of exploitation and processing in silica mining area Material, is not reused, causes the waste of silica resource, and the present invention selects grain fineness≤0.074 millimeter of silica.
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 silica lightweight through hole haydite：
(1), in the stirring mixer dispensing input of multi-functional quincunx silica lightweight through hole semi-finished product having operated, stir Mix the mixture being mixed into multi-functional quincunx silica lightweight through hole semi-finished product, be transported to screw extruding through belt feeder and make Standby in the feed bin on grain machine top；
(2) will be used for producing the core rod of multi-functional quincunx silica lightweight through hole semi-finished product, be placed on screw extruder pelletizer Template in, open the valve of feed bin, the mixture of multi-functional quincunx silica lightweight through hole semi-finished product be transported to spiral shell In bar Squeezinggranulator, extruder grain is multi-functional quincunx silica lightweight through hole semi-finished product；Multi-functional quincunx silica The external diameter of lightweight through hole semi-finished product controls at 5～60 millimeters, and length controls at 5～60 millimeters, multi-functional quincunx silica The through hole internal diameter at lightweight through hole semi-finished product center controls in 1～5 millimeter of ￠, and number of openings controls at 1～6；
(3), by multi-functional quincunx silica lightweight through hole semi-finished product, it is transported in swinging drying oven through belt feeder and carries out Dry, swinging drying oven drying temperature controls at 150～250 DEG C, and drying time controls at 1～4 hour, swinging drying oven Exhaust temperature controls at 50～100 DEG C；
(4) by the multi-functional quincunx silica lightweight through hole semi-finished product after drying, from the discharging opening conveying of swinging drying oven To swinging roasting kiln roasting, at 900～950 DEG C, roasting time controls at 1～4 hour the temperature control of combustion chamber, roasting Furnace exhaust gas temperature control is at 150～250 DEG C；
(5) the multi-functional quincunx silica lightweight through hole semi-finished product after roasting is discharged from the discharging opening of swinging roaster, will Multi-functional quincunx silica lightweight through hole semi-finished product after roasting, inputs stainless steel cylinder storehouse through U-shaped conveying worm Middle insulation, temperature retention time controlled at 24～72 hours；
(6) open the valve in stainless steel cylinder storehouse, by cooled multi-functional quincunx silica lightweight through hole haydite half after insulation Finished product is transported in cylinder vibratory sieve through belt feeder, is sieved by screen cloth, packs as multi-functional plum blossom after screening Shape silica lightweight through hole haydite finished product, the powder after screening is discharged from powder discharge line, and broken haydite is arranged from broken haydite Go out pipeline to discharge；
(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 silica lightweight through hole semi-finished product, advanced Enter in swinging drying oven and dried, enter back into swinging roasting kiln roasting, the multi-functional quincunx silica after roasting is light Matter through hole semi-finished product, discharges from the discharging opening of swinging roaster, and multi-functional quincunx silica lightweight through hole haydite half becomes After product enter swinging drying oven and swinging roaster, the flow direction with high temperature hot gas stream and roaster tail gas thermal current is Contrary.
2nd, the dispensing of multi-functional quincunx silica lightweight through hole semi-finished product is made up of following component by weight percentage： Silica 10～35%, high viscous Concave-convex clay rod 5～25%, zeolite 5～20%, active white clay waste slag 2～10%, active oxidation Aluminium 1～5%, nano zine oxide 1～5%, light magnesium oxide 1～5%, precipitated calcium carbonate 1～5%, cenosphere 1～5%, swollen Swollen perlite 0.5～5%, expanded vermiculite 0.5～5%, lauryl sodium sulfate 0.1～5% and water 5～40%.
Silica in the present invention can improve impact strength and the rub resistance of multi-functional quincunx silica lightweight through hole haydite Property.
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 energy of adsorption of multi-functional quincunx silica lightweight through hole haydite Power.
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 silica lightweight and lead to The absorption of 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 silica lightweight through hole haydite, improves the heat of combustion-gas flow, not only can save energy, also help multi-functional plum The inside of flower-shape silica lightweight through hole haydite can be grilled thoroughly completely, increases multi-functional quincunx silica lightweight through hole haydite surface and interior The porosity in portion.
Activated alumina, nano zine oxide and light magnesium oxide are conducive to improving multi-functional quincunx silica lightweight through hole pottery The adsorption effect of grain and the intensity increasing multi-functional quincunx silica lightweight through hole haydite.
Precipitated calcium carbonate, cenosphere, expanded perlite and expanded vermiculite can reduce multi-functional quincunx silica lightweight and lead to The bulk density of hole haydite, increases multi-functional quincunx silica lightweight through hole haydite surface and internal porosity.
Adopt lauryl sodium sulfate in the dispensing of multi-functional quincunx silica lightweight through hole haydite, be conducive to mixed in stirring Substantial amounts of foam can be produced, to increase the micropore within multi-functional quincunx silica lightweight through hole haydite during conjunction.
The face shaping of multi-functional quincunx silica lightweight through hole haydite is designed as quincunx, is conducive to increasing multi-functional plum Flower-shape silica lightweight through hole haydite voidage each other and the accumulation reducing multi-functional quincunx silica lightweight through hole haydite Density.
The macropore at multi-functional quincunx silica lightweight through hole haydite center is designed as through hole, is conducive to increasing multi-functional plum blossom The effective ratio area of shape silica lightweight through hole haydite, reduction bulk density and the multi-functional quincunx silica lightweight through hole pottery of increase The porosity of grain.
Multi-functional quincunx silica lightweight through hole semi-finished product moisture content after extruder grain is more than 30%, directly conveys To swinging roaster high temperature roasting, in high-temperature calcination process, the surface of semi-finished product first starts sintering curing, and interior The water vapour in portion is difficult to rapid evaporation out, and semi-finished product will produce explosion, nor can be by inside semi-finished product Grill thoroughly.
Multi-functional quincunx silica lightweight through hole semi-finished product is first transported in swinging drying oven slowly by the present invention Dried, drying temperature controls at 150～250 DEG C, the more multi-functional quincunx silica lightweight through hole haydite half after drying 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 in roasting process In 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 silica lightweight through hole semi-finished product enters After drying oven and roaster, it is contrary with the flow direction of thermal current, be conducive to multi-functional quincunx silica lightweight through hole Semi-finished product slowly improves the temperature dried with roasting；In drying and roasting process, multi-functional quincunx silica lightweight is led to 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 silica lightweight through hole semi-finished product is carried out preheat and dry it is not necessary to increase new heat Source, can save 10～25% energy.
It is still up to more than 700 DEG C in temperature in multi-functional quincunx silica lightweight through hole semi-finished product after roasting, To be incubated in multi-functional quincunx silica lightweight through hole semi-finished product input stainless steel cylinder storehouse after roasting, it is possible to use from The waste heat of body, continues multi-functional quincunx silica lightweight through hole semi-finished product is uniformly heated, not only can ensure that will be multi-functional Grill thoroughly completely inside quincunx silica lightweight through hole haydite moreover it is possible to play the effect of uniformly dispersing heat, improve multi-functional plum blossom The inherent quality of shape silica 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 silica lightweight through hole haydite surface and inside, are a kind of open pores, opening Hole not only each other insertion also communicate with the external world, the macropore at multi-functional quincunx silica lightweight through hole haydite center is a kind of through hole, Be conducive in roasting process, can grill thoroughly inside haydite completely, and effective ratio area, intensity and the fall of haydite can be increased Low bulk density.
There is the micropore being interconnected in a large number multi-functional quincunx silica lightweight through hole haydite surface and inside, by multi-functional plum Flower-shape silica lightweight through hole haydite is put in water, it will sink under water rapidly, while sucking large quantity of moisture, by multi-functional plum Air in flower-shape silica lightweight through hole haydite internal capillary cements out, and multi-functional quincunx silica lightweight through hole haydite is dry There is no dust under dry state, be immersed in all the year round in water and will not produce disintegration yet.
Multi-functional quincunx silica lightweight through hole haydite has that absorption property is good, effective ratio area is big, porosity is high, heap Long-pending 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 macropore to be The feature of one.
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 silica lightweight through hole haydite, micropore mazy is adsorbed and is filtered, and water body obtains in flow filtration only Change；Multi-functional quincunx silica lightweight through hole haydite is suitable for the growth of each quasi-microorganism, is formed in its surface and internal capillary Stable, highly active biomembrane, improves the clean-up effect to sewage for the microorganism.
For heavy-metal contaminated soil reparation when, multi-functional quincunx silica lightweight through hole haydite can be put into and fill water Soil in, carry out 2～4 times turn over and weed rake, allow multi-functional quincunx silica lightweight through hole haydite sufficiently to connect with soil Touch, multi-functional quincunx silica lightweight through hole haydite will adsorb the part heavy metal in soil, uses specific purpose tool after 3～10 days Multi-functional quincunx silica lightweight through hole haydite in soil is taken out, in order to reduce the heavy metal pollution in soil.
After the multi-functional quincunx silica lightweight through hole haydite having adsorbed part heavy metal in soil is taken out, using change The methods such as precipitation, redox process, solvent extraction and separation, absorption method, membrane separation process or ion-exchange of learning are carried out at regeneration Reason, multi-functional quincunx silica lightweight through hole haydite, after regeneration process, is dried in input swinging drying oven, permissible Repeatedly use.
Because multi-functional quincunx silica lightweight through hole haydite surface and internal micropore are interconnected, when in haydite Mazy micropore, by after the fine particles adsorption saturation in water body, takes High-Pressure Water to multi-functional quincunx silica lightweight outward Through hole haydite is backwashed, and quickly can rinse well adsorbing the fine particles in micropore inside and outside haydite, be used further to down The purification of water quality filtration treatment program of one wheel.Have that the purification of water quality rate of filtration is fast, backwash effect is good, cycle of operation length, profit With the high feature of rate.
Although the water absorption rate of multi-functional quincunx silica lightweight through hole haydite is higher, even if during water absorption rate >=80%, many work( Can the appearance of quincunx silica lightweight through hole haydite be a kind of moistening state, significantly water does not leak out, and will be many Function is quincunx, and silica lightweight through hole haydite is packed together, and forms numerous spaces each other, will not be bonded together, thoroughly Gas performance 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 silica lightweight through hole haydite is immersed in water, fertilizer or nothing in shape silica lightweight through hole haydite In the fertile solution of machine, multi-functional quincunx silica lightweight through hole haydite absorbs after storing a certain amount of water or liquid fertilizer and takes out, and uses When cultivating or plant various nursery stocks, flowers and plants and vegetables, the root of plant is from multi-functional quincunx silica lightweight through hole haydite , it is ensured that growth and development of plants is good, survival rate is high and the life-span is longer, and can greatly reduce for nutrient content in absorption water or liquid fertilizer The number of times of moisturizing.
Multi-functional quincunx silica lightweight through hole haydite is applied to purification of water quality filtration, soil remediation, afforestation, deserted mountain Multiple afforestation projects such as greening, roof greening, alkaline land improvement, control of desert, Grassland Desertification improvement and home gardening.
The production method of multi-functional quincunx silica lightweight through hole haydite is applied to quincunx, the cylindrical, spheroidal of production Etc. multi-functional silica lightweight through hole haydite of different shapes.
Brief description
Fig. 1 is the total schematic diagram of the technological process of production of multi-functional quincunx silica lightweight through hole haydite, and Fig. 2 is extruder 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, figure 5 is the schematic diagram of multi-functional quincunx silica lightweight through hole semi-finished product, and Fig. 6 is multi-functional quincunx silica lightweight through hole pottery To profile, Fig. 7 is the product schematic diagram of multi-functional quincunx silica lightweight through hole haydite to the A-A of grain semi-finished product, and Fig. 8 is many work( The product schematic diagram of the cylindrical silica lightweight through hole haydite of energy, Fig. 9 is the product of Multi-functional circular spherical silica lightweight through hole haydite Schematic diagram.
As shown in the figure：1 is the dispensing of multi-functional quincunx silica lightweight through hole semi-finished product, and 2 is stirring mixer, 3 It is the mixture of multi-functional quincunx silica lightweight through hole semi-finished product, 4 is belt feeder, and 5 is feed bin, and 6 is valve, and 7 is spiral shell Bar Squeezinggranulator, 8 is the template of screw extruder pelletizer, and 9 is for producing multi-functional quincunx silica lightweight through hole haydite The core rod of semi-finished product, 10 is multi-functional quincunx silica lightweight through hole semi-finished product, and 11 is belt feeder, and 12 is that swinging is dried Stove, 13 is swinging drying oven drying temperature, and 14 is roaster tail gas thermal current, and 15 is roaster tail gas temperature, and 16 is to be back The discharging opening of rotatable drying oven, 17 is the multi-functional quincunx silica lightweight through hole semi-finished product after drying, and 18 is swinging Roaster, 19 is the temperature of combustion chamber, and 20 is the high temperature hot gas flow tube road of combustion chamber, and 21 is the discharging opening of swinging roaster, 22 is the multi-functional quincunx silica lightweight through hole semi-finished product after roasting, and 23 is U-shaped conveying worm, and 24 is stainless steel circle Silos, 25 is stainless steel cylinder storehouse valve, and 26 is the multi-functional quincunx silica lightweight through hole semi-finished product after insulation, 27 It is belt feeder, 28 is powder discharge line, 29 is broken haydite discharge line, and 30 is cylinder vibratory sieve, and 31 is screen cloth, and 32 is many Function is quincunx silica lightweight through hole haydite finished product, 33 is high temperature hot gas stream flow direction, and 34 is that swinging dries furnace exhaust gas temperature Degree, 35 is drying oven exhaust pipe, and 36 is the external diameter of multi-functional quincunx silica lightweight through hole semi-finished product, and 37 is multi-functional The through hole internal diameter at quincunx silica lightweight through hole semi-finished product center, 38 is multi-functional quincunx silica lightweight through hole haydite half The number of openings of finished product, 39 is the length of multi-functional quincunx silica 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 silica lightweight through hole haydite：
(1) the dispensing 1 of multi-functional quincunx silica lightweight through hole semi-finished product is inputted in the stirring mixer 2 having operated, Stirring is mixed into the mixture 3 of multi-functional quincunx silica lightweight through hole semi-finished product, is transported to screw rod through belt feeder 4 and squeezes Standby in the feed bin 5 on pressure comminutor 7 top；
(2) will be used for producing the core rod 9 of multi-functional quincunx silica lightweight through hole semi-finished product, be placed on screw extruding granulation In the template 8 of machine 7, open the valve 6 of feed bin 5, will be defeated for the mixture 3 of multi-functional quincunx silica lightweight through hole semi-finished product Deliver in screw extruder pelletizer 7, extruder grain is multi-functional quincunx silica lightweight through hole semi-finished product 10；Multi-functional plum The external diameter 36 of flower-shape silica lightweight through hole semi-finished product controls at 8 millimeters, and length 39 controls at 8 millimeters, multi-functional quincunx Through hole 38 internal diameter 37 at silica lightweight through hole semi-finished product center controls in 1.5 millimeters of ￠, and through hole 38 quantity controls at 1；
(3), by multi-functional quincunx silica lightweight through hole semi-finished product 10, it is transported to swinging drying oven 12 through belt feeder 11 In dried, swinging drying oven 12 drying temperature 13 controls at 150～250 DEG C, and drying time controlled at 2 hours, revolution Formula drying oven 12 exhaust temperature 34 controls at 50～80 DEG C；
(4) by the multi-functional quincunx silica lightweight through hole semi-finished product 16 after drying, from the discharging opening of swinging drying oven 12 17 are transported to roasting in swinging roaster 18, and the temperature 19 of combustion chamber controls at 920～940 DEG C, and roasting time controls little 2 When, roaster tail gas temperature 15 controls at 150～250 DEG C,；
(5) the multi-functional quincunx silica lightweight through hole semi-finished product 22 after roasting is from the discharging opening 21 of swinging roaster 18 Discharge, the multi-functional quincunx silica lightweight through hole semi-finished product 22 after roasting inputs not through U-shaped conveying worm 23 Rust is incubated in steel cylinder storehouse 24, and temperature retention time controlled at 48 hours；
(6) open the valve 25 in stainless steel cylinder storehouse 24, by cooled multi-functional quincunx silica lightweight through hole pottery after insulation Grain semi-finished product 26 are transported in cylinder vibratory sieve 30 through belt feeder 27, are sieved by screen cloth 31, pack after screening For multi-functional quincunx silica lightweight through hole haydite finished product 32, the powder after screening is discharged from powder discharge line 28, 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 silica lightweight through hole Semi-finished product 10, is introduced in swinging drying oven 12 and is dried, and enters back into roasting in swinging roaster 18, after roasting Multi-functional quincunx silica lightweight through hole semi-finished product 22, discharge from the discharging opening 21 of swinging roaster 18, multi-functional After quincunx silica lightweight through hole semi-finished product 10 enters swinging drying oven 12 and swinging roaster 18, with high temperature hot gas The flow direction of stream 33 and roaster tail gas thermal current 14 is contrary.
2nd, the dispensing of multi-functional quincunx silica lightweight through hole semi-finished product is made up of following component by weight percentage： Silica 25%, high viscous Concave-convex clay rod 18%, zeolite 10%, active white clay waste slag 5%, activated alumina 2%, nano oxidized Zinc 2%, precipitated calcium carbonate 2%, light magnesium oxide 2%, cenosphere 2%, expanded perlite 1%, expanded vermiculite 1%, 12 Sodium alkyl sulfate 2% and water 28%.
3rd, multi-functional quincunx silica lightweight through hole haydite average bulk density is 700kg/m, and water absorption rate is 78%.

Claims (3)

1. a kind of production method of multi-functional quincunx silica lightweight through hole haydite is it is characterised in that (1) will be multi-functional quincunx In the stirring mixer that the dispensing input of silica lightweight through hole semi-finished product has operated, stirring is mixed into multi-functional quincunx The mixture of silica lightweight through hole semi-finished product, is transported to standby in the feed bin on screw extruder pelletizer top through belt feeder With；
(2) will be used for producing the core rod of multi-functional quincunx silica lightweight through hole semi-finished product, be placed on screw extruder pelletizer Template in, open the valve of feed bin, the mixture of multi-functional quincunx silica lightweight through hole semi-finished product be transported to spiral shell In bar Squeezinggranulator, extruder grain is multi-functional quincunx silica lightweight through hole semi-finished product；Multi-functional quincunx silica The external diameter of lightweight through hole semi-finished product controls at 5～60 millimeters, and length controls at 5～60 millimeters, multi-functional quincunx silica The through hole internal diameter at lightweight through hole semi-finished product center controls in 1～5 millimeter of ￠, and number of openings controls at 1～6；
(3), by multi-functional quincunx silica lightweight through hole semi-finished product, it is transported in swinging drying oven through belt feeder and carries out Dry, swinging drying oven drying temperature controls at 150～250 DEG C, and drying time controls at 1～4 hour, swinging drying oven Exhaust temperature controls at 50～100 DEG C；
(4) by the multi-functional quincunx silica lightweight through hole semi-finished product after drying, from the discharging opening conveying of swinging drying oven To swinging roasting kiln roasting, at 900～950 DEG C, roasting time controls at 1～4 hour the temperature control of combustion chamber, roasting Furnace exhaust gas temperature control is at 150～250 DEG C；
(5) the multi-functional quincunx silica lightweight through hole semi-finished product after roasting is discharged from the discharging opening of swinging roaster, will Multi-functional quincunx silica lightweight through hole semi-finished product after roasting, inputs stainless steel cylinder storehouse through U-shaped conveying worm Middle insulation, temperature retention time controlled at 24～72 hours；
(6) open the valve in stainless steel cylinder storehouse, by cooled multi-functional quincunx silica lightweight through hole haydite half after insulation Finished product is transported in cylinder vibratory sieve through belt feeder, is sieved by screen cloth, packs as multi-functional plum blossom after screening Shape silica lightweight through hole haydite finished product, the powder after screening is discharged from powder discharge line, and broken haydite is arranged from broken haydite Go out pipeline to discharge；
(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 silica lightweight through hole semi-finished product, advanced Enter in swinging drying oven and dried, enter back into swinging roasting kiln roasting, the multi-functional quincunx silica after roasting is light Matter through hole semi-finished product, discharges from the discharging opening of swinging roaster, and multi-functional quincunx silica lightweight through hole haydite half becomes After product enter swinging drying oven and swinging roaster, the flow direction with high temperature hot gas stream and roaster tail gas thermal current is Contrary.
2. the production method of multi-functional quincunx silica lightweight through hole haydite according to claim 1 is it is characterised in that many The dispensing of silica lightweight through hole semi-finished product that function is quincunx is made up of following component by weight percentage：Silica 10～ 35%th, high viscous Concave-convex clay rod 5～25%, zeolite 5～20%, active white clay waste slag 2～10%, activated alumina 1～ 5%th, nano zine oxide 1～5%, light magnesium oxide 1～5%, precipitated calcium carbonate 1～5%, cenosphere 1～5%, expansion are precious Pearl rock 0.5～5%, expanded vermiculite 0.5～5%, lauryl sodium sulfate 0.1～5% and water 5～40%.
3. the production method of multi-functional quincunx silica lightweight through hole haydite according to claim 1 is it is characterised in that silicon Grain fineness≤0.074 millimeter of stone, grain fineness≤0.074 millimeter of high viscous Concave-convex clay rod, the grain fineness of zeolite ≤ 0.074 millimeter, grain fineness≤0.149 millimeter of active white clay waste slag, grain fineness≤0.074 milli of activated alumina Rice, 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 milli of expanded vermiculite Rice.
CN201610854778.8A 2016-09-27 2016-09-27 Production method of multifunctional quincunx silica light through-hole ceramsite Pending CN106431338A (en)

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105906337A (en) * 2016-06-28 2016-08-31 蒋文兰 Silica light-weight through-hole haydite

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105906337A (en) * 2016-06-28 2016-08-31 蒋文兰 Silica light-weight through-hole haydite

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Title
戴维等: "《铁合金工程技术》", 30 June 2015 *
河北省化工局化学矿磷肥公司组织编写: "《过磷酸钙的小型生产》", 28 February 1978 *

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