CN101298381A - Light aggregate shale porcelain granule and production method thereof - Google Patents
Light aggregate shale porcelain granule and production method thereof Download PDFInfo
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- CN101298381A CN101298381A CNA200810115299XA CN200810115299A CN101298381A CN 101298381 A CN101298381 A CN 101298381A CN A200810115299X A CNA200810115299X A CN A200810115299XA CN 200810115299 A CN200810115299 A CN 200810115299A CN 101298381 A CN101298381 A CN 101298381A
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Abstract
The invention discloses a light-weight aggregate shale ceramic particle and a production method thereof, which includes powdered argillaceous shale, pulverized fuel ash, additive and water; the ratio of the ingredients is that: 15-90 parts of powdered argillaceous shale, 5-60 parts of pulverized fuel ash, 1-12 parts of additive and 4-15 parts of water. The production method includes the conventional collection of argillaceous shale and the crashing process, besides, the invention also comprises the following steps: (1)screening; (2) the mixing materials is prepared; (3) the mixing material is added into a marble machine so as to produce raw meal pellets and is discharged; (4) the raw meal pellets are fed into a multi-cylinder rotary kiln for drying and sintering and finally the shale ceramic particles are formed; (5) the products of shale ceramic particles, ceramic sand and ceramic block can be obtained after the cooling and the sizing screening process by a trommel screen. The product is sintered in a multi-cylinder rotary kiln at temperature of 1150-1200 DEG C and the material property is changed and is sound-insulating, light in weight, shock-resistant, weather-resistant, and corrosion-resistant, has distinct energy-saving effect and is beneficial to generalization and implementation.
Description
Technical field
The present invention relates to a kind of ceramic product and production method thereof, specifically is a kind of light aggregate shale porcelain granule and production method thereof, belongs to the novel light material field that building construction is used.
Background technology
In recent years, in order to protect China's limited land resources, country forbids to fire solid clay brick and goods thereof; Along with the fast development of China's modern architecture and building structure, progressively replace traditional " heavy masonry structure " material by the novel wall material of " lightweight plank frame ".And the most competitive material should be the novel light wall board of being made by natural light-weight aggregate, artificial porcelain granule and haydite goods in the present lightweight plank frame.
Haydite is after lime-ash, building stones, leca, and the novel wall material of a kind of most economical practicality that has developed rapidly, unit weight on average are no more than 600kg/m
3Can float on waterborne, do the filled wall material and the body of wall wall board material in shock mounting building with it, can make the buildings weight reduction more than 30%, the thermal conductance number of haydite is about 0.11W/mk, thermosteresis is about 50% of an other materials, and multiple advantages such as acid and alkali-resistance, corrosion-resistant, light weight, intensity height, volume stability be good; Ceramic product has been the materials for wall for the lightweight plank frame of the less self-heat conserving system that can be used as of number for this reason.At present, be widely used in the middle of the house building; But because haydite is subjected to the restriction in starting material source, existing single use shale is made the successful project of ceramic product, also have the industrial residue of adding to do additive in recent years and make haydite, but the add-on of waste residue is subjected to strict restriction, the intensity that how much directly has influence on sheet material of add-on; Therefore the production and the application of this class light wall material have been restricted.
Summary of the invention
In order to solve above-mentioned defective of the prior art, the invention provides a kind of formula for a product that changes single haydites of book structure, can rationally utilize the light aggregate shale porcelain granule that industrial residue produces and the production method of this haydite thereof.
To achieve these goals, the present invention adopts following technical scheme: a kind of light aggregate shale porcelain granule, and its characteristics are: it comprises grapholith powder, flyash, additive and water; Each accounting example is: 15～90 parts of grapholith powders; 5～60 parts in flyash; 1～12 part of additive; 4～15 parts in water.
Above-mentioned additive be in washup mud, boron mud, SODIUMNITRATE waste residue, ferrous oxide waste residue, Indian red waste residue, the papermaking wastewater 2～3 kinds cooperate with the equal portions ratio and to form.The granularity of above-mentioned shale powder is 200～280 orders.
Another object of the present invention provides a kind of production method of above-mentioned light aggregate shale porcelain granule, comprises adopting conventional steps to gather grapholith, and with the step of its crushing and screening, its characteristics are: it also includes following steps:
1) filtering out granularity is 200～280 purpose shale powders;
2) get 15～90 parts of the shale powders that step 1) filters out,, drop in the stirrer after 1～12 part of mixing of additive, add 4～15 parts of entry again, stir to wherein adding 5～60 parts in flyash; Its churning time is 3～5 minutes;
3) with step 2) described compound is by drawing off in its stirrer, drops in the apparatus for making pearl ball, after making the raw material spherolite that granularity is Φ 3～24mm after 3～5 minutes, it is drawn off;
4) the raw material spherolite that step 3) is drawn off directly drops into multiple cylinder rotary kiln, this multiple cylinder rotary kiln is interconnected by the kiln of 4 different diameters and constitutes, described raw material spherolite is sent into by the kiln hood dog-house of this multiple cylinder rotary kiln, order through the trochanter kiln of differing temps to kiln hood direction roll-drying; During through the first segment cylindrical shell, its drying temperature rises to 120～160 ℃ by 80 ℃ preheating temperature; After entering the second joint cylindrical shell, drying temperature rises to 360～720 ℃; After entering the 3rd joint cylindrical shell, drying temperature rises to 950～1100 ℃; After entering the 4th joint cylindrical shell, reach 1150～1200 ℃ of zone of swelling sintering temperatures, sinter haydites of book structure into;
5) with the haydites of book structure of step 3) sinter molding by drawing off in this multiple cylinder rotary kiln, send into cooler cooling 20～30 minutes, placed under the normal temperature naturally cooling then 4～6 hours; Carry out the secondary sizing screening through the trommel screen extension set again, its screen underflow granularity φ 6～17mm's is haydites of book structure; Screen underflow granularity φ 3～5mm's is pottery sand; Screen underflow granularity φ 18～24mm's is pottery piece product.
The described multiple cylinder rotary kiln of step 4), the diameter difference of every joint rotary kiln, wherein, the diameter of first segment cylindrical shell is that the diameter of φ 1.2m, the second joint cylindrical shell is that φ 1.5m, the 3rd diameter that saves cylindrical shell are that φ 1.8m, the 4th diameter that saves cylindrical shell are φ 2.4mm.
The used multiple cylinder rotary kiln sintering process of the present invention is made haydites of book structure, cylindrical shell merogenesis rotary kiln comprises at least two cylindrical shells, the shared charging device of all cylindrical shells, what the present invention was used is 4 cylindrical shells, each cylindrical shell is made up of at least two cylindrical shell joints, the diameter difference of different cylindrical shell joints, the less cylindrical shell joint of diameter is inserted in the bigger cylindrical shell joint of diameter, seal at interface, because can differential between the different cylindrical shells joint, along retrograde rotation, industrial waste flyash and shale powder, additive mixes the back and forms the raw material spherolite with water, the raw material spherolite is at the effect compacted under of different rotating speeds and different rotary direction cylindrical shell joint, utilize this equipment to fire haydites of book structure, the single particle pellet is difficult for the adhesion caking.
Above-mentioned multiple cylinder rotary kiln, is authorized on May 10th, 2006 in application on September 24 calendar year 2001 by the applicant, and the patent No. is the patented product of ZL01141409X.
The present invention is owing to adopted technique scheme, and its beneficial effect is:
1, light aggregate shale porcelain granule of the present invention, changed single shale batching prescription, the additive that added industrial residue flyash, is made of 2～3 kinds of waste residue material is mixed into the haydite raw material ball, fire the light aggregate shale porcelain granule product that forms by the processing of inventor's patent equipment " multiple cylinder rotary kiln ", because of it has " cellular nucleome " structure, its tap density is less than 800kg/m
3Or 400kg/m
3Proportion with the light aggregate concrete of this light aggregate shale porcelain granule preparation is 900～1100kg/m
3, and normal sands stone concrete proportion is 2,450kg/m
3～2,500kg/m
3It is 1/3～1/4 of a normal sands stone concrete product weight; The intensity height is 3～5 times of general industry waste residue thing.2, because raw material of the present invention selects for use is grapholith, slate; flyash; contain in washup mud, boron mud, SODIUMNITRATE waste residue, ferrous oxide waste residue, Indian red waste residue, the papermaking wastewater 2～3 kinds in the additive that adds with the equal portions mixed; consumed a large amount of industrial wastes, its cost is turned waste into wealth than much lower with the normal sands stone concrete; benefit environment protection; bringing benefit to the next generation, is a kind of renewable resource that industrial utilization is worth that have, and benefits promotion and implementation.
3, the light aggregate shale porcelain granule of the present invention's production can replace sand, stone, does aggregate; Under certain geology loading condiction, can increase floor, anti-seismic performance is good; Because of its from heavy and light, Young's modulus is low, under seismic loading, the seismic force that bears reduce and natural period of vibration long, the absorption of shock wave energy is fast, good damping effect.
4, light aggregate shale porcelain granule is the product through " multiple cylinder rotary kiln " 1150 ℃～1200 ℃ high-temperature technology calcination moulding in process of production, the building block and the wallboard that are processed into it have changed original attribute, make its ceramic product have the performance of ageing-resistant, corrosion-resistant, antifreeze, no radiation, unharmful substance.And the building block of common waste residue compacting does not change original attribute.
5, the particle structure feature after this light aggregate shale porcelain granule burns till, can identify it is the thermal-insulating type material.Because its thermal conductivity is low.The haydite concrete thermal conductivity is 0.8～1.01w/m.k, and the thermal conductivity of normal sands stone concrete then reaches more than the 1.9w/m.k.With the material of construction that this light aggregate shale porcelain granule is processed into, the dwelling house of building, has the function of " regulating room temp automatically ".As: when external temperature during at-10 ℃, room temp is 0 ℃; When external temperature+20 ℃, room temp is+10 ℃; So can save the power consumption of room conditioning electricity consumption and warming installation, energy-saving effect is remarkable.
6, be the particle structure of " cellular nucleome " because of it again, determine it to have sound-absorbing and sound damping performance.Country's building structure dwelling house standard for sound insulation requirement, 40 decibels of audition rates; 35 decibels of sound insulation rates.Unique this body of wall and floor plates material, any sound insulation is attached to be helped under the facility prerequisite not increasing, and meets or exceeds country's building sound insulating and absorbing standard fully.It is to prevent that " noise " attacks, and helps the able-bodied green building material of people.
7, of many uses, haydites of book structure of the present invention, but can replace the sand stone do aggregate, can be prefabricated, can cast-in-place pumping; Also can be widely used in light aggregate shale porcelain granule holllow building block, hollow wall panel, interlayer floorslab concrete aggregate, beam, post aggregate; Also can be applicable to light thermal-insulation sheet material, anti-freezing structure and other type material of construction.It is a kind of energy-conservation, green, environment-friendly type building material.
Description of drawings
Fig. 1 is the technological process of production figure of haydites of book structure of the present invention
Embodiment
A kind of light aggregate shale porcelain granule, it comprises grapholith powder, flyash, additive and water; Each accounting example is: 15～90 parts of grapholith powders; 5～60 parts in flyash; 1～12 part of additive; 4～15 parts in water.
Above-mentioned grapholith powder particles is 200～280 orders; Above-mentioned additive be in washup mud, boron mud, SODIUMNITRATE waste residue, ferrous oxide waste residue, Indian red waste residue, the papermaking wastewater 2～3 kinds cooperate with the equal portions ratio and to form.
As shown in Figure 1, technical process of the present invention is as follows: adopt ordinary method to gather grapholith earlier, comprise that also some are blocky slate; After pulverizing, pulverizer carries out the following step:
1) filtering out granularity is 200～280 purpose grapholith powders;
2) get 15～90 parts of the grapholith powders that step 1) filters out,, drop in the stirrer after 1～12 part of mixing of additive, add 4～15 parts of entry again, stir to wherein adding 5～60 parts in flyash; Its churning time is 3～5 minutes;
Wherein: additive be in washup mud, boron mud, SODIUMNITRATE waste residue, ferrous oxide waste residue, Indian red waste residue, the papermaking wastewater 2～3 kinds cooperate with the equal portions ratio and to form;
3) with step 2) described compound is by drawing off in its stirrer, drops in the apparatus for making pearl ball, after making the raw material spherolite that granularity is Φ 3～24mm after 3～5 minutes, it is drawn off;
4) the raw material spherolite that step 3) is drawn off directly drops into multiple cylinder rotary kiln, this multiple cylinder rotary kiln is interconnected by the kiln of 4 different diameters and constitutes, described raw material spherolite is sent into by the kiln hood dog-house of this multiple cylinder rotary kiln, order through the trochanter kiln of differing temps to kiln hood direction roll-drying; During through the first segment cylindrical shell, its drying temperature rises to 120～160 ℃ by 80 ℃ preheating temperature; After entering the second joint cylindrical shell, drying temperature rises to 360～720 ℃; After entering the 3rd joint cylindrical shell, drying temperature rises to 950～1100 ℃; After entering the 4th joint cylindrical shell, reach 1150～1200 ℃ of zone of swelling sintering temperatures, sinter haydites of book structure into;
5) with the haydites of book structure of step 3) sinter molding by drawing off in this multiple cylinder rotary kiln, send into cooler cooling 20～30 minutes, placed under the normal temperature naturally cooling then 4～6 hours; Carry out the secondary sizing screening through the trommel screen extension set again, its screen underflow granularity φ 6～17mm's is haydites of book structure; Screen underflow granularity φ 3～5mm's is pottery sand; Screen underflow granularity φ 18～24mm's is pottery piece product.
The multiple cylinder rotary kiln that step 4) is used, the diameter difference of every joint rotary kiln, wherein, the diameter of first segment cylindrical shell is that the diameter of φ 1.2m, the second joint cylindrical shell is that φ 1.5m, the 3rd diameter that saves cylindrical shell are that φ 1.8m, the 4th diameter that saves cylindrical shell are φ 2.4mm.
Above-mentioned multiple cylinder rotary kiln adopts and is applied for September 24 calendar year 2001 by the applicant, authorize on May 10th, 2006, the patent No. is the patented product of ZL01141409X, wherein, the cylindrical shell trochanter is postponed by dog-house and is followed successively by first segment, second joint, the 3rd joint, the 4th joint, its diameter is respectively first segment φ 1.2m, and relative temperature rises to 120～160 ℃ by pre-80 ℃ preheating temperature; The second joint φ 1.5m, relative temperature rises to: 360～720 ℃, the 3rd joint φ 1.8m, relative temperature rises to: 950～1100 ℃, the 4th joint φ 2.4mm, relative temperature rises to: 1150～1200 ℃.
Below by specific examples technical scheme of the present invention is further described.
Embodiment 1:
Gather grapholith with ordinary method, pulverize, pulverize after 2～5 minutes, continue the following step by meal, the fine powder size reduction machinery of routine:
1) filtering out granularity is 200～280 purpose shale powders;
2) get 90 parts of shale powders, 5 parts in flyash after the step 1) screening, 1 part of washup mud, boron mud, the SODIUMNITRATE waste residue additive after with 1: 1 mixed, water mixes the back for 4 parts and drops in the stirrer, stirs into compound; Its churning time is 3～5 minutes;
3) with step 2) described compound is by drawing off in its stirrer, drops in the apparatus for making pearl ball, after making the raw material spherolite that granularity is Φ 3～24mm after 3 minutes, it is drawn off;
4) the raw material spherolite that step 3) is drawn off directly drops into multiple cylinder rotary kiln, this multiple cylinder rotary kiln is interconnected by the kiln of 4 different diameters and constitutes, described raw material spherolite is sent into by the kiln hood dog-house of this multiple cylinder rotary kiln, order through the trochanter kiln of differing temps to kiln hood direction roll-drying; When being the rotating cylinder of φ 1.2m through the first segment diameter, its drying temperature rises to 120 ℃ by 80 ℃ preheating temperature; After entering second joint diameter being the rotating cylinder of φ 1.5m, drying temperature rises to 360 ℃; After entering the 3rd joint diameter being φ 1.8m rotating cylinder, drying temperature rises to 950 ℃; After entering the 4th joint diameter being φ 2.4m rotating cylinder, reach 1150 ℃ of zone of swelling sintering temperatures, sinter haydites of book structure into;
5) with the haydites of book structure of step 3) sinter molding by drawing off in this multiple cylinder rotary kiln, send into cooler cooling 20 minutes, placed under the normal temperature naturally cooling then 4 hours; Carry out the secondary sizing screening through the trommel screen extension set again, its screen underflow granularity φ 6～17mm's is haydites of book structure; Screen underflow granularity φ 3～5mm's is pottery sand; Screen underflow granularity φ 18～24mm's is pottery piece product.
Embodiment 2:
Gather grapholith with ordinary method, pulverize, pulverize after 2～5 minutes, carry out the following step by meal, the fine powder size reduction machinery of routine:
1) filtering out granularity is 200～280 purpose shale powders;
2) get 75 parts of shale powders after the step 1) screening, 16 parts of 10 parts in flyash, boron mud, the SODIUMNITRATE waste residue additives after with 1: 1 mixed, water mixes the back for 9 parts and drops in the stirrer, stirs into compound; Its churning time is 3～5 minutes;
3) with step 2) described compound is by drawing off in its stirrer, drops in the apparatus for making pearl ball, after making the raw material spherolite that granularity is Φ 3～24mm after 5 minutes, it is drawn off;
4) the raw material spherolite that step 3) is drawn off directly drops into multiple cylinder rotary kiln, this multiple cylinder rotary kiln is interconnected by the kiln of 4 different diameters and constitutes, described raw material spherolite is sent into by the kiln hood dog-house of this multiple cylinder rotary kiln, order through the trochanter kiln of differing temps to kiln hood direction roll-drying; When being the rotating cylinder of φ 1.2m through the first segment diameter, its drying temperature rises to 160 ℃ by 80 ℃ preheating temperature; After entering second joint diameter being the rotating cylinder of φ 1.5m, drying temperature rises to 720 ℃; After entering the 3rd joint diameter being φ 1.8m rotating cylinder, drying temperature rises to 1100 ℃; After entering the 4th joint diameter being φ 2.4m rotating cylinder, reach 1200 ℃ of zone of swelling sintering temperatures, sinter haydites of book structure into;
5) with the haydites of book structure of step 3) sinter molding by drawing off in this multiple cylinder rotary kiln, send into cooler cooling 30 minutes, placed under the normal temperature naturally cooling then 6 hours; Carry out the secondary sizing screening through the trommel screen extension set again, its screen underflow granularity φ 6～17mm's is haydites of book structure; Screen underflow granularity φ 3～5mm's is pottery sand; Screen underflow granularity φ 18～24mm's is pottery piece product.
Embodiment 3:
Gather grapholith with ordinary method, pulverize, pulverize after 2～5 minutes, carry out the following step by meal, the fine powder size reduction machinery of routine:
1) filtering out granularity is 200～280 purpose shale powders;
2) get 45 parts of shale powders after the step 1) screening, 10 parts of 30 parts in flyash, SODIUMNITRATE waste residue, ferrous oxide waste residue and the washup mud additives after with 1: 1: 1 mixed, water mixes in the input stirrer of back for 15 parts, stirs into compound; Its churning time is 3 minutes;
3) with step 2) described compound is by drawing off in its stirrer, drops in the apparatus for making pearl ball, after making the raw material spherolite that granularity is Φ 3～24mm after 4 minutes, it is drawn off;
4) the raw material spherolite that step 3) is drawn off directly drops into multiple cylinder rotary kiln, this multiple cylinder rotary kiln is interconnected by the kiln of 4 different diameters and constitutes, described raw material spherolite is sent into by the kiln hood dog-house of this multiple cylinder rotary kiln, order through the trochanter kiln of differing temps to kiln hood direction roll-drying; When being the rotating cylinder of φ 1.2m through the first segment diameter, its drying temperature rises to 140 ℃ by 80 ℃ preheating temperature; After entering second joint diameter being the rotating cylinder of φ 1.5m, drying temperature rises to 600 ℃; After entering the 3rd joint diameter being φ 1.8m rotating cylinder, drying temperature rises to 1000 ℃; After entering the 4th joint diameter being φ 2.4m rotating cylinder, reach 1150 ℃ of zone of swelling sintering temperatures, sinter haydites of book structure into;
5) with the haydites of book structure of step 3) sinter molding by drawing off in this multiple cylinder rotary kiln, send into cooler cooling 30 minutes, placed under the normal temperature naturally cooling then 6 hours; Carry out the secondary sizing screening through the trommel screen extension set again, its screen underflow granularity φ 6～17mm's is haydites of book structure; Screen underflow granularity φ 3～5mm's is pottery sand; Screen underflow granularity φ 18～24mm's is pottery piece product.
Embodiment 4:
Gather grapholith with ordinary method, pulverize, pulverize after 2～5 minutes, carry out the following step by meal, the fine powder size reduction machinery of routine:
1) filtering out granularity is 200～280 purpose shale powder or slate flours;
2) get 35 parts of slate flours after step 1) will be screened, 12 parts of flyash 45, Indian red waste residue, papermaking wastewater and the boron mud additives after with 1: 1: 1 mixed, water mixes the back for 8 parts and drops in the stirrer, adds 4 parts of entry again, stirs into compound; Its churning time is 15 minutes;
3) with step 2) described compound is by drawing off in its stirrer, directly drops in the apparatus for making pearl ball, after making the raw material spherolite that granularity is Φ 3～24mm after 3 minutes, it is drawn off;
4) the raw material spherolite that step 3) is drawn off directly drops into multiple cylinder rotary kiln, this multiple cylinder rotary kiln is interconnected by the kiln of 4 different diameters and constitutes, described raw material spherolite is sent into by the kiln hood dog-house of this multiple cylinder rotary kiln, order through the trochanter kiln of differing temps to kiln hood direction roll-drying; When being the rotating cylinder of φ 1.2m through the first segment diameter, its drying temperature rises to 130 ℃ by 80 ℃ preheating temperature; After entering second joint diameter being the rotating cylinder of φ 1.5m, drying temperature rises to 700 ℃; After entering the 3rd joint diameter being φ 1.8m rotating cylinder, drying temperature rises to 1100 ℃; After entering the 4th joint diameter being φ 2.4m rotating cylinder, reach 1200 ℃ of zone of swelling sintering temperatures, sinter haydites of book structure into;
5) with the haydites of book structure of step 3) sinter molding by drawing off in this multiple cylinder rotary kiln, send into cooler cooling 25 minutes, placed under the normal temperature naturally cooling then 5 hours; Carry out the secondary sizing screening through the trommel screen extension set again, its screen underflow granularity φ 6～17mm's is haydites of book structure; Screen underflow granularity φ 3～5mm's is pottery sand; Screen underflow granularity φ 18～24mm's is pottery piece product.
Embodiment 5:
Gather grapholith with ordinary method, pulverize, pulverize after 2～5 minutes, carry out the following step by meal, the fine powder size reduction machinery of routine:
1) filtering out granularity is 200～280 purpose shale powders;
2) get 25 parts of slate powders after the step 1) screening, 8 parts of flyash 60, Indian red waste residue, papermaking wastewater and the SODIUMNITRATE waste residue additives after with 1: 1: 1 mixed, water mixes the back for 7 parts and drops in the stirrer, add 15 parts of entry again, stir into compound; Its churning time is 3 minutes;
3) with step 2) described compound is by drawing off in its stirrer, directly drops in the apparatus for making pearl ball, after making the raw material spherolite that granularity is Φ 3～24mm after 3 minutes, it is drawn off;
4) the raw material spherolite that step 3) is drawn off directly drops into multiple cylinder rotary kiln, this multiple cylinder rotary kiln is interconnected by the kiln of 4 different diameters and constitutes, described raw material spherolite is sent into by the kiln hood dog-house of this multiple cylinder rotary kiln, order through the trochanter kiln of differing temps to kiln hood direction roll-drying; When being the rotating cylinder of φ 1.2m through the first segment diameter, its drying temperature rises to 160 ℃ by 80 ℃ preheating temperature; After entering second joint diameter being the rotating cylinder of φ 1.5m, drying temperature rises to 400 ℃; After entering the 3rd joint diameter being φ 1.8m rotating cylinder, drying temperature rises to 1000 ℃; After entering the 4th joint diameter being φ 2.4m rotating cylinder, reach 1200 ℃ of zone of swelling sintering temperatures, sinter haydites of book structure into;
5) with the haydites of book structure of step 3) sinter molding by drawing off in this multiple cylinder rotary kiln, send into cooler cooling 30 minutes, placed under the normal temperature naturally cooling then 6 hours; Carry out the secondary sizing screening through the trommel screen extension set again, its screen underflow granularity φ 6～17mm's is haydites of book structure; Screen underflow granularity φ 3～5mm's is pottery sand; Screen underflow granularity φ 18～24mm's is pottery piece product.
Embodiment 6:
Gather grapholith with ordinary method, pulverize, pulverize after 2～5 minutes, carry out the following step by meal, the fine powder size reduction machinery of routine:
1) filtering out granularity is 200～280 purpose shale powders;
2) get 15 parts of shale powders after the step 1) screening, 10 parts of 60 parts in flyash, SODIUMNITRATE waste residue, ferrous oxide waste residue and the Indian red waste residue additives after with 1: 1: 1 mixed, water mixes the back for 15 parts and drops in the stirrer, add 4～15 parts of entry again, stir into compound; Its churning time is 5 minutes;
3) with step 2) described compound is by drawing off in its stirrer, directly drops in the apparatus for making pearl ball, after making the raw material spherolite that granularity is Φ 3～24mm after 3 minutes, it is drawn off;
4) the raw material spherolite that step 3) is drawn off directly drops into multiple cylinder rotary kiln, this multiple cylinder rotary kiln is interconnected by the kiln of 4 different diameters and constitutes, described raw material spherolite is sent into by the kiln hood dog-house of this multiple cylinder rotary kiln, order through the trochanter kiln of differing temps to kiln hood direction roll-drying; When being the rotating cylinder of φ 1.2m through the first segment diameter, its drying temperature rises to 150 ℃ by 80 ℃ preheating temperature; After entering second joint diameter being the rotating cylinder of φ 1.5m, drying temperature rises to 550 ℃; After entering the 3rd joint diameter being φ 1.8m rotating cylinder, drying temperature rises to 1050 ℃; After entering the 4th joint diameter being φ 2.4m rotating cylinder, reach 1150 ℃ of zone of swelling sintering temperatures, sinter haydites of book structure into;
5) with the haydites of book structure of step 3) sinter molding by drawing off in this multiple cylinder rotary kiln, send into cooler cooling 30 minutes, placed under the normal temperature naturally cooling then 6 hours; Carry out the secondary sizing screening through the trommel screen extension set again, its screen underflow granularity φ 6～17mm's is haydites of book structure; Screen underflow granularity φ 3～5mm's is pottery sand; Screen underflow granularity φ 18～24mm's is pottery piece product.
The principle of the invention and structural analysis:
Because its structure of light aggregate shale porcelain granule is " a cellular nucleome ", its tap density is less than 800kg/m
3Or 400kg/m
3Light-weight aggregate: comprise that the concrete proportion that haydites of book structure and pottery sand are made is 900～1100kg/m
3, and normal sands stone concrete proportion is 2,450kg/m
3～2,500kg/m
3, the haydites of book structure cylindrical compress strength of original ingredient prescription production is 0.3～0.7Mpa; The present invention's haydites of book structure cylindrical compress strength that prescription produces of preparing burden surpasses 4.7Mpa.
Utilize grapholith, industrial residue fine coal charcoal, boron mud, washup mud, papermaking wastewater, nitric acid to receive waste residue, carbonic acid gas waste residue, three carbonoxide waste residues etc., can replace sand, stone, aggregate as the artificial lightweight aggregate haydites of book structure of raw material production; Its light weight under certain geology loading condiction, can increase floor, increases floor and saves the soil exactly.Save the soil, the sharp useless environmental protection that is of value to.
Because the moulding of light aggregate shale porcelain granule will be produced through my 1150 ℃～1200 ℃ high-temperature technology calcinations of multiple cylinder rotary kiln of invention.It has changed original attribute; And the building block of common waste residue compacting does not change original qualitative attribution; So ageing-resistant, corrosion resistance nature is better than the building block body of waste residue compacting.
Because the light structures of light aggregate shale porcelain granule has determined its anti-seismic performance good.The concrete structure deadweight of light aggregate shale porcelain granule, pottery sand and pottery piece products production is little, and shock resistance is strong.The Young's modulus of light aggregate concrete is low, the cycle of shake certainly of the buildings that extended, thus the earthquake dynamics is weakened.So the anti-seismic performance of light aggregate shale porcelain granule is better than other common building material.
The light aggregate shale porcelain granule that the present invention produces, because of the characteristics of its light weight, the concrete hollow that utilizes this haydite to produce The building of building block and hollow wall panel building can increase floor, reduces wall thickness, increases the area of residence, reduces integrated cost. Simultaneously, the raw material sources cost of light aggregate shale porcelain granule is low, can effectively reduce integrated cost. Produce than prior art Haydite is energy-conservation, improve tens times of work efficiency during joint, effectively reduces integrated cost. Simultaneously, because the special honeycomb of this product Shape nucleome structure, soundproof effect is good, can reduce noise, is of value to the physical and mental health of human body.
The Performance Detection of light aggregate shale porcelain granule of the present invention meets national standard: light-weight aggregate GB/T17431.1-1998; The test method of light-weight aggregate meets national standard: light-weight aggregate test method GB/T17431.2-1998.
Claims (4)
1. light aggregate shale porcelain granule, it is characterized in that: it comprises grapholith powder, flyash, additive and water; Each accounting example is: 15～90 parts of grapholith powders; 5～60 parts in flyash; 1～12 part of additive; 4～15 parts in water.
2. light aggregate shale porcelain granule according to claim 1 is characterized in that: described additive be in washup mud, boron mud, SODIUMNITRATE waste residue, ferrous oxide waste residue, Indian red waste residue, the papermaking wastewater 2～3 kinds cooperate with the equal portions ratio and to form.
3. the production method of each described light aggregate shale porcelain granule of claim 1～2 comprises and adopts ordinary method to gather grapholith, and the step with its pulverizing is characterized in that: it also includes following steps:
1) filtering out granularity is 200～280 purpose shale powders;
2) get 15～90 parts of the shale powders that step 1) filters out,, drop in the stirrer after 1～12 part of mixing of additive, add 4～15 parts of entry again, stir to wherein adding 5～60 parts in flyash; Its churning time is 3～5 minutes;
3) with step 2) described compound is by drawing off in its stirrer, drops in the apparatus for making pearl ball, after making the raw material spherolite that granularity is Φ 3～24mm after 3～5 minutes, it is drawn off;
4) the raw material spherolite that step 3) is drawn off directly drops into multiple cylinder rotary kiln, this multiple cylinder rotary kiln is interconnected by the kiln of 4 different diameters and constitutes, described raw material spherolite is sent into by the kiln hood dog-house of this multiple cylinder rotary kiln, order through the trochanter kiln of differing temps to kiln hood direction roll-drying; During through the first segment cylindrical shell, its drying temperature rises to 120～160 ℃ by 80 ℃ preheating temperature; After entering the second joint tube, 1 body, drying temperature rises to 360～720 ℃; After entering the 3rd joint cylindrical shell, drying temperature rises to 950～1100 ℃; After entering the 4th joint cylindrical shell, reach 1150～1200 ℃ of zone of swelling sintering temperatures, sinter haydites of book structure into;
5) with the haydites of book structure of step 3) sinter molding by drawing off in this multiple cylinder rotary kiln, send into cooler cooling 20～30 minutes, placed under the normal temperature naturally cooling then 4～6 hours; Carry out the secondary sizing screening through the trommel screen extension set again, its screen underflow granularity φ 6～17mm's is haydites of book structure; Screen underflow granularity φ 3～5mm's is pottery sand; Screen underflow granularity φ 18～24mm's is pottery piece product.
4. according to the production method of the described light aggregate shale porcelain granule of claim 3, it is characterized in that: the described multiple cylinder rotary kiln of step 4), the diameter difference of every joint rotary kiln, wherein, the diameter of described first segment cylindrical shell is that the diameter of φ 1.2m, the second joint cylindrical shell is that φ 1.5m, the 3rd diameter that saves cylindrical shell are that φ 1.8m, the 4th diameter that saves cylindrical shell are φ 2.4mm.
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| CN102329122A (en) * | 2011-06-21 | 2012-01-25 | 东莞市保源达房地产开发有限公司 | Light high-strength ceramic grains manufactured by utilizing pond sludge and manufacturing method thereof |
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| CN102936108A (en) * | 2012-10-19 | 2013-02-20 | 叶香竹 | Preparation method of ceramsite |
| CN102936108B (en) * | 2012-10-19 | 2014-01-01 | 温州市金誉建设监理有限公司 | Preparation method of ceramsite |
| CN104817340A (en) * | 2015-04-28 | 2015-08-05 | 陈莹 | Method for using shale as raw material to produce porous heat-preservation building blocks |
| CN105130491A (en) * | 2015-07-24 | 2015-12-09 | 浙江方远建材科技有限公司 | High-adsorption ceramic granule and preparation method thereof |
| CN105130491B (en) * | 2015-07-24 | 2017-09-22 | 浙江方远新材料股份有限公司 | A kind of high adsorption haydite and preparation method thereof |
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| CN109553434A (en) * | 2018-12-31 | 2019-04-02 | 郑州德赛尔陶粒有限公司 | A kind of high-strength light haydites of book structure and preparation method thereof |
| CN110041094A (en) * | 2019-05-24 | 2019-07-23 | 重庆市都梁实业有限公司 | A kind of sludge, bone coal haydite preparation method |
| CN114478050A (en) * | 2021-12-23 | 2022-05-13 | 王梓远 | Sludge ceramsite and preparation method thereof |
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