CN105732083A - Wet-process firing method of ceramsite by using cow dung - Google Patents
Wet-process firing method of ceramsite by using cow dung Download PDFInfo
- Publication number
- CN105732083A CN105732083A CN201610014497.1A CN201610014497A CN105732083A CN 105732083 A CN105732083 A CN 105732083A CN 201610014497 A CN201610014497 A CN 201610014497A CN 105732083 A CN105732083 A CN 105732083A
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- China
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- cattle manure
- bentonite
- ceramsite
- temperature
- compressing
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- 210000003608 fece Anatomy 0.000 title claims abstract description 64
- 238000000034 method Methods 0.000 title claims abstract description 39
- 238000010304 firing Methods 0.000 title abstract description 3
- 238000002156 mixing Methods 0.000 claims abstract description 17
- 238000001816 cooling Methods 0.000 claims abstract description 7
- 241000283690 Bos taurus Species 0.000 claims description 62
- 239000010871 livestock manure Substances 0.000 claims description 62
- 239000000463 material Substances 0.000 claims description 37
- 229910000278 bentonite Inorganic materials 0.000 claims description 24
- 239000000440 bentonite Substances 0.000 claims description 24
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 24
- 238000003756 stirring Methods 0.000 claims description 10
- 239000002671 adjuvant Substances 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 6
- 239000004615 ingredient Substances 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- 238000010792 warming Methods 0.000 claims description 6
- 238000009413 insulation Methods 0.000 abstract description 7
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 3
- 239000011148 porous material Substances 0.000 abstract description 2
- 238000010276 construction Methods 0.000 abstract 1
- 238000007710 freezing Methods 0.000 abstract 1
- 230000008014 freezing Effects 0.000 abstract 1
- 238000010521 absorption reaction Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 239000000203 mixture Substances 0.000 description 6
- 239000004927 clay Substances 0.000 description 5
- 239000011800 void material Substances 0.000 description 4
- 239000007791 liquid phase Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- -1 Du Xin Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 238000010413 gardening Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/009—Porous or hollow ceramic granular materials, e.g. microballoons
Abstract
The invention relates to a wet-processing firing method of ceramsite by using cow dung and belongs to the technical field of ceramsite production. The method comprises steps of raw material mixing, granulating, pretreatment, high temperature burning, and cooling. The produced ceramsite has the advantages of small density, many pores, uniform morphology and components, high strength, and wear resistant property, can prevent corrosion, freezing, and knocking, has a good insulation performance, can insulate heat and sound, is dampproof, and is suitable for the construction industry.
Description
Technical field
A kind of method that the present invention relates to cattle manure dry method baking ceramsite, belongs to haydite manufacture technology field.
Background technology
Haydite density is little, portion's hole is many, form and composition uniform, intensity is high, wear-resistant, and there is good corrosion resistance, freeze-proof, shock resistance and insulating (insulation, heat insulation, sound insulation, moisture resistance), so being widely used in building materials, agricultural, industry, gardening, fire-resistant heat insulating material, environmental project and other field.At present, the method producing haydite is a lot, and Zhu Xiang etc. uses mud, cattle manure wet method to burn out Superlight ceramsites, but the moisture content of stock own is high, has a large amount of steam to occur, make product ftracture in dry run, and intensity is relatively low, and water absorption rate is higher, and technique is more complicated；The flyash such as Du Xin, clay and mud dry method burn out high-strength ceramic granule, but relatively costly, and current clay has become as China and needs resources to be protected.Therefore, the method for existing production haydite is not ideal enough.
Summary of the invention
A kind of method that the invention provides cattle manure dry method baking ceramsite; solve and make because a large amount of steam occurs in dry run that haydite density is big, water absorption rate is higher, comprcssive strength is relatively low; and preparation method is complicated, relatively costly, by technical problems such as the clay resources of state guarantee.And raw material is garbage, it may be achieved refuse reclamation, replaces clay with bentonite simultaneously, saved resource.
A kind of method that the technical scheme is that cattle manure dry method baking ceramsite, specifically comprising the following steps that of the described method with cattle manure dry method baking ceramsite
Step1, batch mixing；Adding adjuvant cattle manure in major ingredient bentonite, form material, this material includes bentonite, cattle manure, and bentonite, cattle manure are the ratio stirring mixing of 4:1 by weight；The used discarded cattle manure that cattle manure is vaccary, dries cattle manure at 100～110 DEG C, then pulverizes with pulverizer, then filters out, with sieve, the cattle manure that size is 80～120 orders；
Step2, pelletize；The material powder compressing machine that mixes is compressing, and briquetting pressure is 6.5～8.0Mpa, and the dwell time is 20～35s, and being pressed into diameter is 30mm, and height is the cylinder of 10mm；
Step3, pretreatment；Compressing material is placed in crucible, then moves in Muffle furnace, be at 300～400 DEG C, dry expanded 10～30min in temperature；
Step4, high-temperature roasting；Make Muffle furnace be warming up to 1180～1220 DEG C, the material constant temperature after expanded for drying is burnt swollen 10～20min；
Step5, cooling；The material of high-temperature roasting is naturally cooled to room temperature, obtains haydite finished product.
The invention has the beneficial effects as follows:
The haydite density that the present invention burns out is little, portion's hole is many, form and composition uniform, intensity is high, wear-resistant, and there is good corrosion resistance, freeze-proof, shock resistance and insulating (insulation, heat insulation, sound insulation, moisture resistance), density, water absorption rate, comprcssive strength meet national standard.Preparation method is simple, and cost is low, it is easy to accomplish continuous prodution, constant product quality, free from environmental pollution, corrosion-free, and raw material is garbage, it may be achieved refuse reclamation, replaces clay with bentonite simultaneously, has saved resource.
Detailed description of the invention
Embodiment 1: a kind of with the method for cattle manure dry method baking ceramsite, specifically comprising the following steps that of the described method with cattle manure dry method baking ceramsite
Step1, batch mixing；Adding adjuvant cattle manure in major ingredient bentonite, form material, this material includes bentonite, cattle manure, and bentonite, cattle manure are the ratio stirring mixing of 4:1 by weight, i.e. optional bentonite 80 parts, cattle manure 20 parts, stirring mixing；The used discarded cattle manure that cattle manure is vaccary, dries cattle manure at 100 DEG C, then pulverizes with pulverizer, then filters out, with sieve, the cattle manure that size is 80 orders；
Step2, pelletize；The material powder compressing machine that mixes is compressing, and briquetting pressure is 6.5Mpa, and the dwell time is 35s, and being pressed into diameter is 30mm, and height is the cylinder of 10mm；
Step3, pretreatment；Compressing material is placed in crucible, then moves in Muffle furnace, be at 400 DEG C, dry expanded 20min in temperature；
Step4, high-temperature roasting；Make Muffle furnace be warming up to 1180 DEG C, the material constant temperature after expanded for drying is burnt swollen 20min；
Step5, cooling；The material of high-temperature roasting is naturally cooled to room temperature, obtains haydite finished product.
Performance indications such as table 1 after testing:
Table 1
It can be seen that the haydite density burnt out with this understanding is less from the performance of table 1, internal void is many, and water absorption rate is relatively low, and comprcssive strength is higher, and form and composition uniform.Owing to preheating time is moderate, material is warmed and reaches best viscosity, plays foaming effect.
Embodiment 2: a kind of with the method for cattle manure dry method baking ceramsite, specifically comprising the following steps that of the described method with cattle manure dry method baking ceramsite
Step1, batch mixing；Adding adjuvant cattle manure in major ingredient bentonite, form material, this material includes bentonite, cattle manure, and bentonite, cattle manure are the ratio stirring mixing of 4:1 by weight, i.e. optional bentonite 80 parts, cattle manure 20 parts, stirring mixing；The used discarded cattle manure that cattle manure is vaccary, dries cattle manure at 110 DEG C, then pulverizes with pulverizer, then filters out, with sieve, the cattle manure that size is 100 orders；
Step2, pelletize；The material powder compressing machine that mixes is compressing, and briquetting pressure is 7.5Mpa, and the dwell time is 20s, and being pressed into diameter is 30mm, and height is the cylinder of 10mm；
Step3, pretreatment；Compressing material is placed in crucible, then moves in Muffle furnace, be at 350 DEG C, dry expanded 10min in temperature；
Step4, high-temperature roasting；Make Muffle furnace be warming up to 1200 DEG C, the material constant temperature after expanded for drying is burnt swollen 15min；
Step5, cooling；The material of high-temperature roasting is naturally cooled to room temperature, obtains haydite finished product.
Performance indications such as table 2 after testing:
Table 2
It can be seen that the haydite density burnt out with this understanding is less from the performance of table 2, internal void is many, and water absorption rate is relatively low, and comprcssive strength is higher, and form and composition uniform.Owing to sintering temperature is suitable for, the gas of internal generation q.s makes its dilatancy, and body fused solution phasor is very big, and the effect of liquid phase surface tension is moderate, and solid particle is close to each other due to liquid phase surface tension, and liquid phase is filled in gas and makes body densification.
Embodiment 3: a kind of with the method for cattle manure dry method baking ceramsite, specifically comprising the following steps that of the described method with cattle manure dry method baking ceramsite
Step1, batch mixing；Adding adjuvant cattle manure in major ingredient bentonite, form material, this material includes bentonite, cattle manure, and bentonite, cattle manure are the ratio stirring mixing of 4:1 by weight, i.e. optional bentonite 80 parts, cattle manure 20 parts, stirring mixing；The used discarded cattle manure that cattle manure is vaccary, dries cattle manure at 110 DEG C, then pulverizes with pulverizer, then filters out, with sieve, the cattle manure that size is 120 orders；
Step2, pelletize；The material powder compressing machine that mixes is compressing, and briquetting pressure is 8.0Mpa, and the dwell time is 30s, and being pressed into diameter is 30mm, and height is the cylinder of 10mm；
Step3, pretreatment；Compressing material is placed in crucible, then moves in Muffle furnace, be at 300 DEG C, dry expanded 30min in temperature；
Step4, high-temperature roasting；Make Muffle furnace be warming up to 1220 DEG C, the material constant temperature after expanded for drying is burnt swollen 10min；
Step5, cooling；The material of high-temperature roasting is naturally cooled to room temperature, obtains haydite finished product.
Performance indications such as table 3 after testing:
Table 3
It can be seen that the haydite density burnt out with this understanding is less from the performance of table 3, internal void is many, and water absorption rate is relatively low, and comprcssive strength is higher, and form and composition uniform.Firing of haydite is not had too much influence by preheating temperature.
Embodiment 4: a kind of with the method for cattle manure dry method baking ceramsite, specifically comprising the following steps that of the described method with cattle manure dry method baking ceramsite
Step1, batch mixing；Adding adjuvant cattle manure in major ingredient bentonite, form material, this material includes bentonite, cattle manure, and bentonite, cattle manure are the ratio stirring mixing of 4:1 by weight, namely select bentonite 80 parts, cattle manure 20 parts, stirring mixing；The used discarded cattle manure that cattle manure is vaccary, dries cattle manure at 105 DEG C, then pulverizes with pulverizer, then filters out, with sieve, the cattle manure that size is 100 orders；
Step2, pelletize；The material powder compressing machine that mixes is compressing, and briquetting pressure is 7.5Mpa, and the dwell time is 30s, and being pressed into diameter is 30mm, and height is the cylinder of 10mm；
Step3, pretreatment；Compressing material is placed in crucible, then moves in Muffle furnace, be at 350 DEG C, dry expanded 20min in temperature；
Step4, high-temperature roasting；Make Muffle furnace be warming up to 1200 DEG C, the material constant temperature after expanded for drying is burnt swollen 15min；
Step5, cooling；The material of high-temperature roasting is naturally cooled to room temperature, obtains haydite finished product.
Performance indications such as table 4 after testing:
Table 4
It can be seen that the haydite density burnt out with this understanding is less from the performance of table 4, internal void is many, and water absorption rate is relatively low, and comprcssive strength is higher, and form and composition uniform.Owing to sintering time is excessively suitable, the micropore of Shi Bu UNICOM will not being connected with each other, thus forming big pore, making comprcssive strength not reduce.
Above the specific embodiment of the present invention is explained in detail, but the present invention is not limited to above-mentioned embodiment, in the ken that those of ordinary skill in the art possess, it is also possible under the premise without departing from present inventive concept, make various change.
Claims (1)
1. the method with cattle manure dry method baking ceramsite, it is characterised in that: specifically comprising the following steps that of the described method with cattle manure dry method baking ceramsite
Step1, batch mixing；Adding adjuvant cattle manure in major ingredient bentonite, form material, this material includes bentonite, cattle manure, and bentonite, cattle manure are the ratio stirring mixing of 4:1 by weight；The used discarded cattle manure that cattle manure is vaccary, dries cattle manure at 100～110 DEG C, then pulverizes with pulverizer, then filters out, with sieve, the cattle manure that size is 80～120 orders；
Step2, pelletize；The material powder compressing machine that mixes is compressing, and briquetting pressure is 6.5～8.0Mpa, and the dwell time is 20～35s, and being pressed into diameter is 30mm, and height is the cylinder of 10mm；
Step3, pretreatment；Compressing material is placed in crucible, then moves in Muffle furnace, be at 300～400 DEG C, dry expanded 10～30min in temperature；
Step4, high-temperature roasting；Make Muffle furnace be warming up to 1180～1220 DEG C, the material constant temperature after expanded for drying is burnt swollen 10～20min；
Step5, cooling；The material of high-temperature roasting is naturally cooled to room temperature, obtains haydite finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610014497.1A CN105732083B (en) | 2016-01-11 | 2016-01-11 | A method of with cow dung dry method baking ceramsite |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610014497.1A CN105732083B (en) | 2016-01-11 | 2016-01-11 | A method of with cow dung dry method baking ceramsite |
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| Publication Number | Publication Date |
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| CN105732083A true CN105732083A (en) | 2016-07-06 |
| CN105732083B CN105732083B (en) | 2018-10-23 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107311587A (en) * | 2017-06-28 | 2017-11-03 | 昆明理工大学 | A kind of method that use ardealite and cow dung make ceramsite board |
| CN109400108A (en) * | 2018-11-06 | 2019-03-01 | 海安南京大学高新技术研究院 | A kind of preparation method of light, and high-strength fly-ash haydite |
| CN111302762A (en) * | 2020-03-09 | 2020-06-19 | 重庆财山建材有限公司合川分公司 | Expanded ceramsite and manufacturing method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008136134A1 (en) * | 2007-04-24 | 2008-11-13 | Environmental Science Co., Ltd. | Method of treating animal feces |
| CN101613219A (en) * | 2009-07-31 | 2009-12-30 | 柳树 | A kind of method of utilizing mud and cow dung to make haydite |
| CN105130397A (en) * | 2015-07-13 | 2015-12-09 | 昆明理工大学 | Novel ceramisite and preparation method thereof |
-
2016
- 2016-01-11 CN CN201610014497.1A patent/CN105732083B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008136134A1 (en) * | 2007-04-24 | 2008-11-13 | Environmental Science Co., Ltd. | Method of treating animal feces |
| CN101613219A (en) * | 2009-07-31 | 2009-12-30 | 柳树 | A kind of method of utilizing mud and cow dung to make haydite |
| CN105130397A (en) * | 2015-07-13 | 2015-12-09 | 昆明理工大学 | Novel ceramisite and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 刘景明等: "由化工脱水污泥烧制陶粒", 《北京科技大学学报》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107311587A (en) * | 2017-06-28 | 2017-11-03 | 昆明理工大学 | A kind of method that use ardealite and cow dung make ceramsite board |
| CN107311587B (en) * | 2017-06-28 | 2019-11-08 | 昆明理工大学 | A method of ceramsite board is made with ardealite and cow dung |
| CN109400108A (en) * | 2018-11-06 | 2019-03-01 | 海安南京大学高新技术研究院 | A kind of preparation method of light, and high-strength fly-ash haydite |
| CN111302762A (en) * | 2020-03-09 | 2020-06-19 | 重庆财山建材有限公司合川分公司 | Expanded ceramsite and manufacturing method thereof |
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| Publication number | Publication date |
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| CN105732083B (en) | 2018-10-23 |
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