CN101804660B - Method for producing quartz granite by using yellow river sand and forming device thereof - Google Patents

Method for producing quartz granite by using yellow river sand and forming device thereof Download PDF

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CN101804660B
CN101804660B CN2010101317063A CN201010131706A CN101804660B CN 101804660 B CN101804660 B CN 101804660B CN 2010101317063 A CN2010101317063 A CN 2010101317063A CN 201010131706 A CN201010131706 A CN 201010131706A CN 101804660 B CN101804660 B CN 101804660B
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river sand
vacuum
sand
granite
yellow river
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CN101804660A (en
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刘建平
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Guo Wang Shanxi Electric Power Corp Xinzhou Power Supply Co
State Grid Corp of China SGCC
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Abstract

The invention relates to a method for producing quartz granite by using yellow river sand and a forming device thereof. In order to solve the problems of the traditional quartz granite production method, such as resource waste, complicated structure of the hard molding forming equipment and high production cost, the method adopts the process steps of sieving and winnowing, magnetic selection and water washing, pickling, collection and stirring, stacking and distribution, vibration forming and grinding into finished products. The forming equipment adopts a vacuum space formed by a mold box and a sealing cover, uses the lower vibration table for vibrating, and utilizes the circulation of pumping and discharging to form air flow impact, and then the mixing material is dense. The invention adopts the yellow river sand, sea sand, crystal crushed stones and river gravels as the raw materials and the simple forming equipment, and particularly adopts a sheet forming method by arranging the separation mold plates in the mold box to directly form groups, thereby having the advantages of low equipment cost and production cost and upgraded production process.

Description

The method of producing quartz granite by using yellow river sand and shaped device thereof
● technical field
The invention belongs to the synthetic stone field of building materials-man-made, be specially a kind of method and shaped device thereof of producing quartz granite by using yellow river sand.
● background technology
Present building decoration field, quartz granite (artificial quartz in lump) is as a kind of novel synthetic material, the sight and the feature of environmental protection with its higher wearability, crystal stone grain, not only common hilllock stone (artificial marble) is formed comparatively serious market and impact, the ceramic tile that the building materials market is accounted for the principal status of public economy also is affected even.
Existing quartz granite is to be primary raw material with quartz sand, silica flour and mylar that quartz mine is ground into, through gather materials, stirring, cloth and have vacuum, vibration and compress the preceding operation of the polymerization forming of three kinds of active forces, again through solidify, fixed thick and grind after operation make hard decorative sheet material.The quartz sand wherein and the processing of silica flour will be made the raw material of sand shape and powdery via the serial operation of exploitation, ore dressing, multiple stage crushing, screening, and high-grade lily product also will be through the operation of overpickling.The characteristics of quartz high rigidity and no cleavage make its artificial particle have obvious edges and corners, will reach 2.5g/cm to the moulding of its compound body 3Density must overcome its bigger coefficient of friction.Application number is the Chinese patent of 200710191872.0 " a kind of preparation method of quartz sand used for quartz crucible ", be not have with aluminium that cellulose content is not more than 11ppm and dioxide-containing silica is a raw material at the quartz sand more than 99.95%, the series processing of heat successively, screening, magnetic separation, pickling, alkali cleaning, flotation and alcohol being washed, but the market price of the glass sand of this method of purification preparation is very high.A kind of application number is the Chinese patent of 200910073810.9 " method of synthesizing stone by layered vibration and moulding vibration devices ", be that crystal ore with greater particle size carries out arranging of artistry and carries out the forming method of layered vibration, has the advantage that reduces to take out the space of system vacuum and simplify former, but the mechanism of its moulding only is to utilize the vacuum system of taking out, bottom exciting and three kinds of active forces of material body deadweight, does not take repeatedly to take out, puts vacuum and repeat the technological measure of gas shock.Quartz granite is the product that regroups after the artificial pulverizing of silicoide, it also is that translucent particle accounts for main body that the Nature wave washes in a pan that wind winnows with a dustpan in the river sand that generates, managing to keep the composition of its silicon and aluminium and be polymerized to dalle by its diffusing shape, is a kind of innovation and upgrading of synthesis technique.Because traditional concept and technical problem also do not adopt river sand to purify earlier at present and then synthesize the precedent of quartz granite,, all be with the rigid characteristics that are compressed to no matter its molding mode is waste material or thin plate.
● summary of the invention
To adopt the fine sand of quartzy raw ore processing be that raw material exists resource and energy waste, existing hard pressure type moulding process to have device structure complexity and production cost problem of higher in order to solve existing quartz granite in the present invention, and a kind of method and shaped device thereof of producing quartz granite by using yellow river sand is provided.This production method not only provides the approach that utilizes preferably for river sand, cobble and industrial waste, also provides practical scheme for simplifying former and promoting its forming technique.
The present invention adopts following technical scheme to realize.The method of producing quartz granite by using yellow river sand, step is as follows altogether:
(1) screening selection by winnowing adopts river sand also to enter the funnel that the blanking slit aperture is the 2-8mm width behind the screen filtration of 18-40 mesh, with the pressure fan of funnel downside the fine sand of even whereabouts is carried out classification with air-flow again;
(2) magnetic separation washing is chosen river sand that selection by winnowing falls to middle section position as raw material, gets rid of wherein iron content particle with magnetic separator, and gets rid of argillaceous fine powder with current;
(3) pickling, adopt 2-8 pickling vessel river sand to be carried out the resolution process of acid solution recycling, adding concentration in first pickling vessel is the hydrochloric acid of 25%-40% and the hydrofluoric acid of 25%-35%, two kinds of acid solutions, river sand and river threes' mass ratio is 0.5-1: 10: 2-5, come down in torrents acid solution after dividing other 20-120 minute pickling and use successively in the next stage vessel;
(4) stirring of gathering materials, fine powder, binding agent and the pigment of the 230-800 mesh that grinds with the quartz sand of purifying, with purifying quartz sand stirs into the compound of 1-3 kind color, crystal rubble and the cobble of choosing particle diameter and be 1-30cm are standby as the crystal cobble, and crystal mineral rubble wherein is the waste material of granite, jade, agate and capel exploitation;
(5) esting cloth, crystal cobble and compound are arranged in the space mode, both mass ratios are 0-5: 1, and successively finish with 2-6 level, therebetween with mill base to being shaped to the spraying dyeing that tabular or block compound carries out its surface in advance in the transmission;
(6) vibration moulding, be sent to moulding box on the shake table and after falling seal cover, to moulding box inside approach-vacuum of 0.1Mpa takes out system, then carry out release vacuum and the circulation of taking out the system vacuum more than 2 times in respectively with the vibration of 1-8min at the every level of shake table, the vacuum that utilize to discharge negative pressure forms gas shock power and the material body in the moulding box is suppressed, and reaches with the esting cloth of 2-6 level and to take out, to put vacuum cycle one by one and finish vibration moulding;
(7) grind finished product, after the famine material body of moulding solidifies, carry out sawing, processing fixed thick and correct grinding promptly obtains finished product.
The described stirring of gathering materials, esting cloth, grinding finished product and magnetic separation washing step are identical with existing synthetic hilllock stone production technology and magnetite separation technology, are that those skilled in the art know.
In the step 1, the exit velocity of described pressure fan is 5-30m/s, at the 2-4 block-grading baffle plate of its downside along airflow direction arranged vertical space 2-12cm, if its wind speed is too small, sandstone particle that should not density is less blows to baffle interval far away, if wind speed is excessive, its power consumption will be increased.
In the step 1, described river sand is the Yellow River sand or sea sand, or the CHARACTERISTICS OF TAILINGS SAND of metal ore dressing, and the diffusing shape crystal mineral or the remaining crystal mineral of industrial processes that utilize the Nature to generate can be avoided mining and the broken producing cost that is processed to form.
In the step 3, described pickling vessel are with mylar or nylon material stickup or brush on the inside and outside surface of steel body, and volume is 0.1-0.8m 3Drum, in steel surface brushing or paste the corrosion that macromolecular material can prevent acid solution.
In the step 6, the described circulation of putting, vacuumizing is the time of every interval 2-60 second to repeat to open to discharge vacuum valve once, and repeats to discharge the operating process of taking out the system vacuum after the vacuum again.
In the step 4, described binding agent is a mylar, or adds the Nano type mylar of 2%-4% quality than nano-powder, or the inorganic cementitious material of cement class.
Finish the used shaped device of method of above-mentioned producing quartz granite by using yellow river sand, it is characterized in that: on shake table 2, place moulding box 3, and the seal cover 4 of surrounding installing sealing joint strip carries out the top sealing with involutory form below it, interlock lifting utensil with configuration on the framework 1 of four root posts support carries out vertical lift to disposing the seal cover 4 of putting vacuum valve 6, and one of them is that the outlet and the volume of two vavuum pumps 9 of roots-type vavuum pump are 2-12m 3Steel vacuum tank UNICOM, vacuum tank 7 forms the loop of taking out the system vacuum via vacuum pumping valve 5 with seal cover 4 UNICOMs, its feature also is: arranging its thickness of 10-80 sheet in vertical and parallel mode in moulding box 3 is that the manganese steel system of 1.5-6.0mm is divided partiting template 10, carries out the combination forming of multi-disc synthetic quartz hilllock stone thin plate simultaneously with the slit between its dividing plate 10.
River sand of the present invention is purified and composition principle is: the Yellow River sand is SiO 2With AL 2O 3Chemical analysis accounts for (quality) more than 78% altogether, and granularity is the diffusing shape crystal mineral that the Nature of 20120 meshes generates, and the transparent grain that extracts wherein is that raw material synthesizes tangible product, can be described as the reduction process of gathering of quartzy mineral; Utilizing the density of sandstone particle in the Yellow River sand (Inner Mongol, Shanxi section) in the screening selection by winnowing operation is 2.47g/cm 3, the iron content sand grains density greater than 3.0g/cm 3, quartz particles density is 2.65g/cm 3The characteristics that quality is different are carried out primary separation with the air-flow of blower fan simply to it; The magnetic separation washing step is about 4% iron content composition wherein to be carried out magnetic force choose, and its dark color smart iron powder still can utilize and the partial offset purification costs; The esting cloth is to utilize crystal ore and the crystal of the Yellow River cobble self and the sight of decorative pattern, and it is bonding and form the combined effect of artistry with the stone of hard shape to utilize the compound of soft shape to be easy to; On the moulding box that vibration moulding is adopted seal cover is set, shake table is set in the moulding box bottom and repeatedly takes out, put the device structure and the process of vacuum cycle, both utilized the negative pressure of taking out the system vacuum to set up process and get rid of bubble in the compound, also utilize the vibration of its underpart upper frequency and the vibration that lower frequency that vacuum produces is repeated to discharge in top, expect the compact formed of body with dual vibration force and impulsive force, for example when the plane of moulding box specification was 305 * 125cm, the vacuum of release-0.1Mpa can produce the gas shock power of 380KN in moment; For improving it and take out, put the frequency of vacuum cycle work, adopt the control mode of vacuum tank and two valve alternations; Adopt the esting cloth of layering and vibration formation method one by one, take out the completeness of system vacuum on the one hand for the every level of assurance, utilize cloth successively opportunity the material body to be carried out arranging of artistry on the other hand.
Compared with prior art, the present invention adopts the Nature to generate and the river sand of the processing of purifying is a base stock, has avoided the consumption of the wasting of resources and series processing; Adopt the esting cloth of greater particle size crystal cobble and, not only reduced the dynamics that stirs not to its way that stirs, also the arrangement of its artistry and synthetic in turn waste into wealth; Adopt vibration of moulding box bottom and top repeatedly to take out, put the circulation of vacuum, utilize gas shock and fine and close molding mode has been simplified the structure of former; In moulding box, arrange the steel template to the separation in advance that soft attitude material body carries out, cancelled the sawing operation of waste material processing and reduced the production cost of quartz granite greatly, and make the production technology of quartz granite produce bigger change.
● description of drawings
Fig. 1 is the process chart of the method for producing quartz granite by using yellow river sand of the present invention.
Fig. 2 is the shaped device schematic side view of producing quartz granite by using yellow river sand of the present invention.
Among Fig. 2: the 1-framework; The 2-shake table; The 3-moulding box; The 4-seal cover; The 5-vacuum pumping valve; 6-is put vacuum valve; The 7-vacuum tank; 8-promotes utensil; The 9-vavuum pump; 10 fens partiting templates.
● the specific embodiment
Embodiment 1
The method of producing quartz granite by using yellow river sand, its technology and process are:
1, the screening selection by winnowing, adopt the Daning, Shanxi, the Yellow River sand in meander zone, and it is sieved processing with the vibratory sieve of 18 meshes, get rid of the wherein cobble and the carbon granules of greater particle size, be that 2mm and length are that the wind speed of funnel and the configuration of its funnel downside of 100mm is that the pressure fan of 30m/s carries out the wind-force propelling movement of river sand with its underpart slit aperture width of setting up vibrator again, four steel plates can in the 2-8cm scope, regulating in its space of downside arranged vertical of its air supply direction and constitute the classification utensil also, utilize the diffusion of air-flow the grains of sand that proportion is different with particle diameter and fall in three sections of classification utensil, choose the raw material of the river sand in its stage casing as following process.
2, magnetic separation washing, the field intensity that adopts a kind of pole surface is extraction and the separation that the drum magnetic separator of 150KA/m contains ferro element, and, also can extract its ferro element to before and after being in the selection by winnowing section river sand with the eliminating of the current scour form in wet magnetic separation clay matter fine powder wherein.
3, pickling adopts steel drum and its suspension ring symmetry to be hooked in the basal body structure that is easy to overturn and comes down in torrents in the middle part of the drum, and wall and outer wall are 0.1m with its volume that is composited that mylar and glass wool cloth carry out acidproof aspect respectively within it 3The pickling vessel, its 2-8 pickling vessel are arranged in order and hang carrying with small-sized row; Adding concentration is 25% hydrochloric acid 4Kg in first vessel, adding concentration is 25% hydrofluoric acid 4Kg, again the river sand of the river of 50Kg and 100Kg is added and carry out the acid solution that 20-120 decomposes and handle, after this acid solution is poured in second vessel and utilizes successively, remaining river sand repeatedly washes with river in the vessel, will approach at last to carry out drying after translucent purifying quartz sand is poured out; In second pickling vessel, add an amount of hydrochloric acid, hydrofluoric acid and river and after the acid number concentration of stipulating that arrive, the river sand that adds 100Kg equally carries out pickling, so with the cycling of 8 pickling vessel acid solution is utilized successively.
4, the stirring of gathering materials, the quartz sand part of purification is used as the aggregate of compound, and another part is processed into the silica flour of 230-800 mesh with abrasive dust equipment, and adopting unsaturated polyester resin is that the prescription of the mass parts of binding agent is:
Purifying quartz sand 20-120 mesh 68.0
Purification silica flour 230-800 mesh 24.0
Unsaturated-resin CB996 7.0
Curing agent methyl ethyl ketone peroxide 0.1
Promoter cobalt iso-octoate 0.02
Nanopowder TiO2, SiO2 0.16
The pigment metal oxide is an amount of
By above-mentioned prescription with two twin-shaft mixers with the rotating speed of 10-40r/min and accelerated mode stirring 12min progressively, two kinds of added pigment differences of compound and color be difference to some extent; Choosing particle diameter is the siliceous the Yellow River cobble of 2.0-8cm, and the mass ratio of consumption and compound is 4: 6.
5, esting cloth, because with addition of the cobble particle diameter less and consumption is not more than half, still available existing famine material make-up machine carries out cloth and moulding in hard pressure mode, and its cloth is in proper order: material body that two pony mixers are mixed and siliceous cobble are respectively in transport tape is added to the twin-shaft mixer of main frame; The hermatic door of closing its top approaches-and the vacuum of 0.1Mpa takes out system, expects the body mix with low speed therebetween; In compound falls more uniformly, dynamically carry out the padding of spray form with white colorant with the spraying utensil, with soft attitude material group surface attach mill base and gradually the distributing mode of esting form the grain effect of similar " billow is washed the sand ".
6, vibration moulding drives the vibration compacting that pressure heads carry out 8-10min with centering type vibrator and six cylinders of configuration in the pressure head, makes the famine material body of 305 * 125 * 85cm specification with three kinds of active forces of press power of the vibration frequency of vacuum, 70HZ and 800KN.
7, grind finished product, the famine material after it solidifies cuts into the hair plates that thickness is 12-20mm with large-scale circular saw, makes the dalles that glossiness reaches 75 degree through the corase grind of thicknessing machine with the fine grinding of continuous grinding machine again.
Embodiment 2
The crystal ore, hard jade and the quartziferous cobble that adopt particle diameter to be respectively 3-30cm are the crystal cobble, adopt sea sand purifying quartz sand and unsaturated-resin etc. to stir into the compound of glutinous shape, and the mass ratio of crystal cobble and resin mixture is 5: 1.The parameter of quartz granite production process is: the gap width of feed opening is 8mm in the screening selection by winnowing operation, and the wind speed of pressure fan outlet is 20m/s; Magnetic send and adopts the magnetic field intensity of pole surface in the washing step is the high intensity magnetic separator of 1000KA/m; Adding concentration in first pickling vessel in the pickling process is that 25% quality is the hydrochloric acid of 100Kg, the river of 400Kg and the sea sand of 1000Kg, after 40-120 minute pickling, arrange in cathartic acid solution to the second vessel, requirement according to equal acid number concentration, the sea sand that adds 1000Kg behind the hydrochloric acid again rushes down solution by row step by step thereafter and with the order cycle operation successively of the sea sand after the scour without sediment motion pickling; Gathering materials, the consumption of unsaturated-resin is 10% in the agitating procedure; And in resin with addition of 3% nano-powder (quality), esting cloth material process adopt four levels successively esting arrange, big and proportioning is higher because of the particle diameter of its crystal cobble, can only adopt shaped device of the present invention to finish the moulding of its waste material.
The shaped device of producing quartz granite by using yellow river sand of the present invention, it is characterized in that: the moulding box 3 usefulness seal covers of placing on shake table 24 carry out the top sealing, 8 pairs of seal covers of lifting utensil 4 and guide rail interlock the carrying out vertical lift that transmits moulding box 3 with configuration on the framework 1, the outlet UNICOM vacuum tank 7 of vavuum pump 9, vacuum tank 7 is via vacuum pumping valve 5 and seal cover 4 UNICOMs, puts vacuum valve 6 and is installed on the pipeline between seal cover 4 and the vacuum pumping valve 5; Be provided with sealing joint strip in the junction of four frames of moulding box 3 and four periphery places of seal cover 4 lower surfaces; Connection pipeline between vacuum pumping valve 5 and the seal cover 4 adopts flexible sebific duct.
Adopt the technical process of above-mentioned shaped device to be: with particle diameter is that the crystal cobble of 8-30cm carries out the esting cloth with the average thickness of join closely mode and 22cm in moulding box 3, and the resin-based compound lay that will be stickiness again is face thereon; Transport moulding box 3 to shake table 2 with chassis, vertically fall sweet capping 4 and combine closely with promoting utensil 8 again with the upper surface of moulding box 3; Shutoff puts vacuum valve 6, open vacuum pumping valve 5 and with store in the vacuum tank 7-negative pressure of 0.1Mpa carries out vacuum with the air velocity of qualification to the inside of moulding box 3 and takes out system; Vibration on Start-up platform 2 inner four hydraulic vibration exciters that are provided with carry out the vibration of 8min; According to turn-offing vacuum pumping valve 5, open and put vacuum valve 6, turn-off the operating sequence of putting vacuum valve 6 and opening vacuum pumping valve 5, and according to the time cycle of each circulation be the air-flow compacting that 2-60 repeats the material bodies in the moulding box 3 are carried out impact second; Inferior esting cloth and the vibration moulding of layer 2-4 is carried out equally according to the technology of first level; After this curing, sawing, fixed thick and grinding step adopt common process to finish.
Embodiment 3
The method of producing quartz granite by using yellow river sand, its production stage and technology are: the width in the slit of the funnel feed opening of screening selection by winnowing is 3.5mm, the motor of pressure fan makes its outlet wind speed smooth adjustment in the 5-30m/s scope with AC converter control, and its raw material is the CHARACTERISTICS OF TAILINGS SAND and the river sand of metal ore dressing; The magnetic field intensity that adopts pole surface in the magnetic separation washing is the self-control three-phase alternating current circle roller magnetic separator of 800A/m; Add concentration in the pickling process first and be the civilian running water of 35% hydrofluoric acid 25Kg, 100Kg and river sand and the CHARACTERISTICS OF TAILINGS SAND of 500Kg, in 8 acid wash drums, add the sand material of equivalent and an amount of clear water respectively, and after the pickling of 60min, acid solution is poured in second acid wash drum at first pickling tube, add a certain amount of hydrofluoric acid and reach and first the acid number concentration that acid wash drum is equal, so reuse acid solution; Gathering materials, to adopt particle diameter in stirring be that the crystal cobble of 1.0cm and the quartz sand of purification are aggregate, and its binding agent employing mass ratio is 8.5% nanometer unsaturated-resin, and nano silicon wherein and nano titanium oxide powder account for 2% of resin quality; In the esting cloth, vaporific spraying dyeing is carried out on the surface of even compound in transmission, made its soft attitude material body in esting gradually, form the texture of nature and blending with mill base.Present embodiment adopts the compound that is called crystallite in the industry, and corresponding the employing has the vacuum novel forming device of characteristics of exerting pressure, and has further adopted the thin plate combination forming mode of the template that is arranged in parallel in moulding box.
The structure that the branch partiting template is set in the moulding box is: and manganese steel system that be arranged in parallel 80 slice its thickness be 1.5-6.0mm vertical along its length direction divided partiting template 10 in moulding box 3,4 steel bands of every branch partiting template 10 usefulness dovetail grooves butt joint are formed, insert respectively in the notch that mills out on the moulding box 3 frame inwalls at its two ends, insert in the notch that mills out on moulding box 3 base plates on its base, and after minute partiting template 10 is arranged, with correspondence mill out width of rebate be 3 location utensils equating with moulding box 3 inwall lateral dimensions of 5cm and length to minute partiting template 10 segmentations carry out the fixing of top, thereby straight forming synthetic sheet metal in 79 slits that form each other with 80 branch partiting templates 10.The technology of this type combination sheet forming is: insert in the notch piecewise one by one again after dividing partiting template 10 to brush processing with releasing agent earlier; Each bar divides between the steel band of partiting template 10 and carries out edge butt joint with its dovetail groove; After whole branch partiting template 10 is arranged and finished, insert the location utensil and to the location of its top with the vertical spacing distance that equates; In the esting cloth, the resin-based compound that slightly is stickiness is evenly arranged behind one deck with the height of 20cm, transport moulding box 3 to shake table 2 with the guide rail of chassis through shake table 2 and both sides thereof; With promoting vertical the moving down of linking of 8 pairs of seal covers 4 of utensil with guide rail, according to vacuumize earlier vibrate again and vibrate in the 10 second time of every interval put, take out the cyclic process of a vacuum and in 3min, finish the vibration moulding of first level; The esting cloth of layer 2-4 time is return moulding box 3 through rising seal cover 4 and guide rail respectively, and the reciprocation cycle of delivering to shake table 2 after cloth is finished is again finished the moulding that it is 4 levels; After heat up solidifying, moulding box 3 is withdrawed from solidying kiln, according to the whole frame that breaks away from moulding box 3 earlier more one by one piecewise the is olation successively of lift-off stencil 10 and shaping sheet finish the sheet forming process; Produce the quartz granite product that is applicable to that table top is decorated through follow-up fixed thick and attrition process.
The cloth vibration of layering of the present invention is that both utilize each other with its moulding that divides partiting template 10 directly to make up thin plate with multi-disc, the former is the latter's a condition, the effect that the latter reduces production costs the former further generation by a relatively large margin, especially utilize the gas shock power of the moment formation that discharges vacuum, make its shaped device of not preparing the compression utensil specially still have the fine and close necessary compression function of product.

Claims (4)

1. the method for producing quartz granite by using yellow river sand is characterized in that production stage is as follows:
1. sieve selection by winnowing, adopt river sand and, with pressure fan the fine sand that falls is carried out air current classifying again with sending into the funnel that the blanking slit is the 2-8mm width behind the screen filtration;
2. magnetic separation washing is chosen river sand that selection by winnowing falls to middle section position as raw material, gets rid of wherein iron content particle with magnetic separator, and gets rid of argillaceous fine powder with current;
3. pickling, adopt 2-8 pickling vessel river sand to be reused the processing of acid solution, be the hydrochloric acid of 25%-40% and the hydrofluoric acid of 25%-35% with addition of concentration in first pickling vessel, acid solution is 0.5-1 with river sand and river three's mass ratio: 10: 2-5;
4. the stirring of gathering materials, fine powder, binding agent and the pigment of the 230-800 mesh that grinds with the quartz sand of purifying, with purifying quartz sand stir into the compound of 1-3 kind color jointly, choose particle diameter and be the crystal mineral rubble of 1-30cm and cobble as the crystal cobble;
5. the esting cloth is also pressed mass ratio storied placement in moulding box of 4: 6 with crystal cobble and compound in the space mode, successively finishes with 2-6 level, and with mill base the spraying of compound agglomerate surface is dyeed;
6. vibration moulding, seal cavity to moulding box inside carries out-and the vacuum of 0.1MPa takes out system, and in the bottom vibration of shake table, carry out the release vacuum more than 2 times and take out the circulation of making vacuum moulding box 1-8min, to forming the gas shock process more than 2 times in the moulding box, the esting cloth of a shared 2-6 level reaches to be taken out, puts vacuum cycle one by one and finish vibration moulding;
7. grind finished product, hair plates is carried out thick surely and attrition process promptly obtain finished product.
2. the method for producing quartz granite by using yellow river sand according to claim 1, it is characterized in that: described pressure fan exit velocity is 5-30m/s, and at the some classification baffle plates of the downside arranged vertical space 2-15cm of airflow direction.
3. the method for producing quartz granite by using yellow river sand according to claim 1 is characterized in that: described pickling vessel are to paste or brushing is 0.1-0.8m at the surface and the volume of steelwork with mylar or nylon material 3Drum.
4. the method for producing quartz granite by using yellow river sand according to claim 1 is characterized in that: described release vacuum is to finish a cycling with 2-60 time second with the circulation of taking out the system vacuum, discharges gas shock process of period formation of vacuum at every turn.
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