CN105439619A - Method of utilizing waste wood particles to produce light-weight ceramsite balls - Google Patents
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Abstract
The invention provides a method of utilizing waste wood particles to produce light-weight ceramsite balls, and belongs to the technical field of ceramsite production. The method comprises the following steps of processing the waste wood into square particles, putting into an ammonia water solution, performing heat treatment for 12-24h in water at the temperature of 100-110 DEG C, and washing, so as to obtain the treated wood particles; preparing a ceramic slurry, wherein the ceramic slurry comprises the treated wood particles, feldspar, quartz, glass powder, silicon carbide powder, kaolin, magnesium oxide and water according to the mass ratio of (0.75-3):50:31:25:(0.1-0.3):10:2:90; performing ball milling on a planetary ball mill for 2h, taking out the wood particles immersed with the ceramic slurry, drying, sintering with heat insulation of 15-30min at the temperature of 1170 DEG C, and cooling in a furnace, so as to obtain the light-weight ceramsite balls. The density of each light-weight ceramsite ball is 0.64-1.13g/cm<3>, the water absorbing rate is 2.5%-37.0%, and the sphericity is uniform. The method has the advantages that the density of the ceramsite ball can be controlled and adjusted by utilizing the size of the wood particle and the usage amount of silicon carbide powder in the ceramic slurry; while the wood particles are decomposed at high temperature, the high-adhesion of ceramic can guarantee the sphericity of the ceramsite ball; the light-weight ceramsite ball is produced by drying and sintering the wood particles immersed with the ceramic slurry, and a balling technology is not needed.
Description
Technical field
The invention provides a kind of method utilizing waste and old wood grain to produce light ceramic ball, belong to haydite producing technology field.
Background technology
Timber is widely used as furniture material, wrapping material and building template material etc., this is because the advantage such as timber has easy processing, the convenient and environmental compatibility of drawing materials is strong.Waste and old wood is then the outmoded or discarded timber and woodwork that are formed in wood producing, processing or use procedure.In China, the quantity of waste and old wood is very huge, and when 2005, waste and old wood and waste and old woodwork just reach 5000 ten thousand steres, and this quantity still increases in continuation in recent years.When by as waste and old product process time, the processing mode of the waste and old wood of a secondary has secondary processing to become sawdust-board, fiberboard or various furniture, and the waste and old wood of three level Four is then used for boiler generating as industrial fuel, and processing mode is comparatively simple, extensive.And in haydite producing technology field, the application technical research of producing light ceramic using waste and old wood as template through soaking ceramic material, drying and firing process is not yet extensively carried out.
Haydite is widely used in fields such as road pavement, wall construction and oil fracturing supports as material of construction.The shape of haydite, granularity and the realization of density on haydite function have significant impact.And the method regulating and controlling haydite size, shape and density is at present very limited: control haydite size and dimension by the size of raw haydite; Introducing some holes in haydite inside and regulate and control density, namely realizing by producing hole in haydite inside after decomposing gas in heat-processed.In this sintering process, the shape of formation meeting to haydite of hole, especially sphericity has adverse influence, is very difficult to take into account in regulation and control density and sphericity.And the little haydite ball of good sphericity, density can significantly reduce construction cost, transporting resistance and energy consumption when applying.
The method of traditional manufacture light ceramic utilizes clay, shale or flyash etc. can burn swollen raw material to add water stirring, balling-up, recycling can burn the at high temperature expanded feature of swollen raw material through burning till obtained light ceramic product, many in time shape such as round shape, subangular.The raw material of light ceramic must be burn swollen raw material, and this raw material is few at nature, and this needs to start with from additive to carry out obtained light ceramics, and the kind of additive, feed postition and balling technique can cause the complicacy of technique and the unstable of product performance.Adopt the granular template of pre-add and through leaching material, the dry and technique of burning till to produce light ceramic time, after template burn off there is the shortcoming of poor controllability in the aspect such as the circularity of haydite, surface flatness and size, and this just needs to select appropriate mould material, suitable template size and the haydite materials matched and processing condition.But what up to the present, correlative study work was carried out is less.
Summary of the invention
The invention provides a kind of method utilizing waste and old wood grain to produce light ceramic ball, after ammonia soln process, ceramic size soaking paste is put into by waste and old wood grain, burn till after drying to produce light ceramic ball, namely utilize timber at high temperature to decompose, ceramic liquid phase is burnt till and under high temperature, the synergy of air release is to realize the production of light ceramic ball, its feature comprises the following steps:
(1) first waste and old wood is processed into the timber grain of 4 ~ 8mm × 4 ~ 8mm × 4 ~ 8mm, then timber grain is put into the ammonia soln that ammoniacal liquor mass percent is 5%, and wash with water process 12 ~ 18h at 100 ~ 110 DEG C after, obtain the timber grain after processing;
(2) preparation is the ceramic size of 0.75 ~ 3:50:31:25:0.1 ~ 0.3:10:2:90 containing the mass ratio of the timber grain after the process that step (1) obtains, feldspar, quartz, glass powder, carborundum powder, kaolin, magnesium oxide, water, on planetary ball mill, ball milling is after 2 hours, timber grain is taken out and at 80 ~ 110 DEG C dry 12 hours, obtain the timber grain soaking ceramic material;
(3) the timber grain of the leaching ceramic material obtained through step (2) is warming up to 1170 DEG C with the speed of per minute 6 DEG C, is incubated furnace cooling after 15 ~ 30 minutes, namely obtains light ceramic ball.
Wherein, in step (1), the kind of waste and old wood is China fir, pine or poplar.The size of timber grain can regulate and control size and the density of haydite ball.The shape of the timber grain of processing is square, and optimum timber particle shape shape is cube.In step (1), timber grain and ammoniacal liquor mass concentration are the mass ratio of the ammonia soln of 5% is 1:50 ~ 1:10, and optimum mass values is 1:25.The carborundum powder added in step (2) at high temperature can discharge gas and produce pore in haydite, can regulate and control the density of haydite ball.The ceramic size of step (2) can also reuse after taking-up timber grain, namely in ceramic size, add the timber grain prepared through step (1) again, the ball milling mentioned through step (2) successively and drying process, sintering process mentioned by step (3) produce light ceramic ball, so repeat can use repeatedly, till the light ceramic ball surface of burning till can not form continuous spheroid.
Beneficial effect of the present invention is:
(1) size as the waste and old wood grain of leaching material template is less, very low to the dimensional requirement of waste and old wood raw material, is expected the effective processing mode providing a kind of waste and old wood, belongs to the category that waste and old wood recycles resource treatment technique;
(2) in leaching material process, ceramic size can enter the timber intragranular portion of ammonia treatment, and the ceramic material quantity of timber grain absorption is many, and when high temperature burns till, timber grain decomposes, ceramic material can ensure the continuity on haydite ball surface, also ensures the continuity of haydite ball shape;
(3) the timber grain soaking ceramic material directly can enter after drying and burn till link, decreases the balling technique of traditional haydite, simplifies the production technique of haydite ball;
(4) shape of haydite ball can ensure spherical shape by the principle of spontaneous balling-up after liquid phase generation ceramic in haydite ball sintering process, the shape of waste and old wood grain is less on the haydite ball shape impact after burning till, only need be processed into the square lumber grain of 4 ~ 8mm × 4 ~ 8mm × 4 ~ 8mm, therefore considerably reduce the difficulty of processing of waste and old wood grain;
(5) density of haydite ball carrys out conveniently regulating and controlling by the size of waste and old wood grain and the consumption of carborundum powder;
(6) size of haydite ball also can carry out conveniently regulating and controlling by the size of waste and old wood grain.
Embodiment
Embodiment 1
(1) first waste and old China fir material is processed into the timber grain of 4mm × 4mm × 4mm, again timber grain is put into the ammonia soln that ammoniacal liquor mass ratio is 5%, make the mass ratio of timber grain and ammonia soln be 1:25, then wash with water process 12h at 110 DEG C after, obtain the timber grain after processing;
(2) preparation is the ceramic size of 0.75:50:31:25:0.2:10:2:90 containing the mass ratio of the timber grain after the process that step (1) obtains, feldspar, quartz, glass powder, carborundum powder, kaolin, magnesium oxide, water, on planetary ball mill, ball milling is after 2 hours, timber grain is taken out and at 80 DEG C dry 12 hours, obtain the timber grain soaking ceramic material;
(3) the timber grain of the leaching ceramic material obtained through step (2) is warming up to 1170 DEG C with the speed of per minute 6 DEG C, is incubated furnace cooling after 30 minutes, namely obtains light ceramic ball.
Compared with the timber grain of the 4mm × 4mm × 4mm processed with step (1), the timber grain quality of the leaching ceramic material obtained after step (2) increases by 38%.The light ceramic ball epigranular obtained after step (3), sphericity are high, and mean density is 0.77g/cm
3, mean particle size is 3.18mm, and mean water absorption rate is 37.0%.
Embodiment 2
(1) first waste and old pine material is processed into the timber grain of 8mm × 8mm × 8mm, again timber grain is put into the ammonia soln that ammoniacal liquor mass percent is 5%, make the mass ratio of timber grain and ammonia soln be 1:25, then wash with water process 12h at 100 DEG C after, obtain the timber grain after processing;
(2) preparation is the ceramic size of 3:50:31:25:0.2:10:2:90 containing the mass ratio of the timber grain after the process that step (1) obtains, feldspar, quartz, glass powder, carborundum powder, kaolin, magnesium oxide, water, on planetary ball mill, ball milling is after 2 hours, timber grain is taken out and at 80 DEG C dry 12 hours, obtain the timber grain soaking ceramic material;
(3) the timber grain of the leaching ceramic material obtained through step (2) is warming up to 1170 DEG C with the speed of per minute 6 DEG C, is incubated furnace cooling after 15 minutes, namely obtains light ceramic ball.
Compared with the timber grain of the 8mm × 8mm × 8mm processed with step (1), the timber grain quality of the leaching ceramic material obtained after step (2) increases by 24%.The light ceramic ball epigranular obtained after step (3), sphericity are high, and mean density is 0.74g/cm
3, mean particle size is 4.80mm, and mean water absorption rate is 6.0%.
Embodiment 3
(1) first waste and old poplar material is processed into the timber grain of 4mm × 4mm × 4mm, again timber grain is put into the ammonia soln that ammoniacal liquor mass percent is 5%, make the mass ratio of timber grain and ammonia soln be 1:25, then wash with water process 12h at 110 DEG C after, obtain the timber grain after processing;
(2) preparation is the ceramic size of 0.75:50:31:25:0.2:10:2:90 containing the mass ratio of the timber grain after the process that step (1) obtains, feldspar, quartz, glass powder, carborundum powder, kaolin, magnesium oxide, water, on planetary ball mill, ball milling is after 2 hours, timber grain is taken out and at 100 DEG C dry 12 hours, obtain the timber grain soaking ceramic material;
(3) the timber grain of the leaching ceramic material obtained through step (2) is warming up to 1170 DEG C with the speed of per minute 6 DEG C, is incubated furnace cooling after 15 minutes, namely obtains light ceramic ball.
Compared with the timber grain of the 4mm × 4mm × 4mm processed with step (1), the timber grain quality of the leaching ceramic material obtained after step (2) increases by 10%.The light ceramic ball epigranular obtained after step (3), sphericity are high, and mean density is 0.70g/cm
3, mean particle size is 2.75mm, and mean water absorption rate is 13.6%.
Embodiment 4
(1) first waste and old poplar material is processed into the timber grain of 4mm × 4mm × 4mm, again timber grain is put into the ammonia soln that ammoniacal liquor mass percent is 5%, make the mass ratio of timber grain and ammonia soln be 1:25, then wash with water process 12h at 110 DEG C after, obtain the timber grain after processing;
(2) mass ratio of the timber grain of preparation after the process that step (1) obtains, feldspar, quartz, glass powder, carborundum powder, kaolin, magnesium oxide, water is the ceramic size of 0.75:50:31:25:0.1:10:2:90, on planetary ball mill, ball milling is after 2 hours, timber grain is taken out and at 80 DEG C dry 12 hours, obtain the timber grain soaking ceramic material;
(3) the timber grain of the leaching ceramic material obtained through step (2) is warming up to 1170 DEG C with the speed of per minute 6 DEG C, is incubated furnace cooling after 30 minutes, namely obtains light ceramic ball.
Compared with the timber grain of the 4mm × 4mm × 4mm processed with step (1), the timber grain quality of the leaching ceramic material obtained after step (2) increases by 30%.The light ceramic ball epigranular obtained after step (3), sphericity are high, and mean density is 1.13g/cm
3, mean particle size is 3.23mm, and mean water absorption rate is 2.5%.
Embodiment 5
(1) first waste and old poplar material is processed into the timber grain of 4mm × 4mm × 4mm, again timber grain is put into the ammonia soln that ammoniacal liquor mass percent is 5%, make the mass ratio of timber grain and ammonia soln be 1:25, then wash with water process 12h at 110 DEG C after, obtain the timber grain after processing;
(2) mass ratio of the timber grain of preparation after the process that step (1) obtains, feldspar, quartz, glass powder, carborundum powder, kaolin, magnesium oxide, water is the ceramic size of 0.75:50:31:25:0.3:10:2:90, on planetary ball mill, ball milling is after 2 hours, timber grain is taken out and at 80 DEG C dry 12 hours, obtain the timber grain soaking ceramic material;
(3) the timber grain of the leaching ceramic material obtained through step (2) is warming up to 1170 DEG C with the speed of per minute 6 DEG C, is incubated furnace cooling after 30 minutes, namely obtains light ceramic ball.
Compared with the timber grain of the 4mm × 4mm × 4mm processed with step (1), the timber grain quality of the leaching ceramic material obtained after step (2) increases by 27%.The light ceramic ball epigranular obtained after step (3), sphericity are high, and mean density is 0.64g/cm
3, mean particle size is 3.91mm, and mean water absorption rate is 6.6%.
Claims (3)
1. utilize waste and old wood grain to produce a method for light ceramic ball, it is characterized in that realizing through following steps:
Waste and old wood is first processed into the timber grain of 4 ~ 8mm × 4 ~ 8mm × 4 ~ 8mm by step 1., again timber grain is put into the ammonia soln that ammoniacal liquor percent mass is 5%, the mass ratio of timber grain and ammonia soln is made to be 1:50 ~ 1:10, wash with water after processing 12 ~ 18h again at 100 ~ 110 DEG C, obtain the timber grain after processing;
The mass ratio that step 2. is prepared containing the timber grain after the process that step 1 obtains, feldspar, quartz, glass powder, carborundum powder, kaolin, magnesium oxide, water is the ceramic size of 0.75 ~ 3:50:31:25:0.1 ~ 0.3:10:2:90, on planetary ball mill, ball milling is after 2 hours, timber grain is taken out and at 80 ~ 110 DEG C dry 12 hours, obtain the timber grain soaking ceramic material;
The timber grain of the leaching ceramic material obtained through step 2 is warming up to 1170 DEG C with the speed of per minute 6 DEG C by step 3., is incubated furnace cooling after 15 ~ 30 minutes, namely obtains light ceramic ball.
2. a kind of method utilizing waste and old wood grain to produce light ceramic ball as claimed in claim 1, is characterized in that the kind of waste and old wood in step 1 is pine, poplar or China fir.
3. a kind of method utilizing waste and old wood grain to produce light ceramic ball as claimed in claim 1, it is characterized in that the ceramic size of step 2 can also reuse after taking-up timber grain, namely in ceramic size, add the timber grain prepared through step 1 again, the ball milling mentioned through step 2 successively and drying process, sintering process mentioned by step 3 produce light ceramic ball, so repeat can use repeatedly, till the light ceramic ball surface of burning till can not form continuous spheroid.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109734474A (en) * | 2019-01-17 | 2019-05-10 | 嘉兴职业技术学院 | A kind of compound porous haydite preparation method of charcoal-pottery |
| CN110642598A (en) * | 2019-10-30 | 2020-01-03 | 湖北工业大学 | Preparation method of ion selective adsorption ceramsite |
| CN111116210A (en) * | 2019-12-30 | 2020-05-08 | 同济大学 | Method for preparing light ceramsite by utilizing biological coal ecological sintering waste soil |
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| CN109734474A (en) * | 2019-01-17 | 2019-05-10 | 嘉兴职业技术学院 | A kind of compound porous haydite preparation method of charcoal-pottery |
| CN109734474B (en) * | 2019-01-17 | 2021-07-23 | 嘉兴职业技术学院 | Preparation method of carbon-ceramic composite porous ceramsite |
| CN110642598A (en) * | 2019-10-30 | 2020-01-03 | 湖北工业大学 | Preparation method of ion selective adsorption ceramsite |
| CN110642598B (en) * | 2019-10-30 | 2021-10-29 | 湖北工业大学 | Preparation method of ion selective adsorption ceramsite |
| CN111116210A (en) * | 2019-12-30 | 2020-05-08 | 同济大学 | Method for preparing light ceramsite by utilizing biological coal ecological sintering waste soil |
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