CN102815880B - A kind of technique utilizing saponified residue brickmaking - Google Patents
A kind of technique utilizing saponified residue brickmaking Download PDFInfo
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- CN102815880B CN102815880B CN201110159305.3A CN201110159305A CN102815880B CN 102815880 B CN102815880 B CN 102815880B CN 201110159305 A CN201110159305 A CN 201110159305A CN 102815880 B CN102815880 B CN 102815880B
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- flyash
- aggregate
- saponified
- residue
- saponified residue
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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Abstract
The invention provides a kind of technique utilizing saponified residue brickmaking, described technique comprises the pre-pre-treatment of raw material, batching, mixing of materials damping, green brick forming step, during batching, material according to weight percent is: saponified residue 20 ~ 35%, aggregate 15 ~ 30%, the ratio of flyash 35 ~ 65%, is prepared burden by proportioning machine.This brickmaking technology can make flyash and calcium hydroxide in vapor cure process, silicon-dioxide in calcium hydroxide and flyash and aluminium sesquioxide generation chemical reaction, generate hydrated calcium silicate and drated calcium aluminate, flyash and other spikes surface formed one deck hydrated product flyash and other spikes cementing, form the materials for wall with certain physical and mechanical property, brick strength can at more than mu10.Production method is succinct, and process level of residue is large, and equipment is simple, and alternative clay brick, economizes the land resource; Non-environmental-pollution, does not produce waste water, and secondary does not produce solid waste.
Description
Technical field
The present invention relates to the waste resource reutilization technology in chlorohydrination production propylene oxide, the technique of particularly a kind of saponified residue brickmaking.
Background technology
It is the traditional production propylene oxide process of China that chlorohydrination produces propylene oxide, and it has, and turndown ratio is large, flow process is short, technical maturity, selectivity are good, product yield is high, the plant running steadily feature such as safety.But, a kind of industrial residue can be discharged in production propylene oxide process---saponified residue is in fact with calcium hydroxide [i.e. Ca (OH)
2] be main saponified residue solid waste, be not developed for many years always, generally all will transport outward as roadbed material, due to the impact by season of repairing the roads, need temporarily deposit.Not only take a large amount of soils when depositing, also can cause severe contamination to environment, and also constrain chemical plant expansion production of propylene oxide scale.Therefore, special item is carried out in exploitation with regard to saponification slag, make it to become a kind of material resources, be that chlorohydrination produces propylene oxide problem demanding prompt solution always, and also the development of the whole nation being produced to the type of industry of propylene oxide being produced actively affects and produce great environmental benefit.
Summary of the invention
Technical problem to be solved by this invention is, a kind of technique utilizing saponified residue brickmaking is provided, the saponified residue produced in propylene oxide production process is turned waste into wealth, solve its occupation of land, secondary pollution problem, saponified residue is utilized effectively, reaches the object of resources circulation recycling.
The present invention is achieved in that a kind of technique utilizing saponified residue brickmaking, and described technique comprises the steps:
(1) the pre-pre-treatment of raw material: the dry content of aggregate, flyash, calcium hydroxide is greater than aggregate in the saponified residue of 30% and saponified residue is pulverized, the particle diameter of aggregate is made to be 2 ~ 5mm, the particle diameter of saponified residue is less than 3mm, to improve the degree of mixing of subsequent material, intensified response probability; Described flyash loss on ignition is less than 8%, the content of silicon-dioxide and aluminium sesquioxide is greater than 70%, and the raw material through pre-pre-treatment enters in each storage hopper in proportioning machine respectively;
(2) prepare burden: the material leaving the pre-pre-treatment of process in each storage hopper according to weight percent is: saponified residue 20 ~ 35%, aggregate 15 ~ 30%, and the ratio of flyash 35 ~ 65%, is prepared burden by proportioning machine;
(3) mixing of materials damping: send into a wheel roller carry out mixing rolling by completing the material after batching, measure the water ratio of the rear material of mixing, from finished product proportioning machine, the adjustment of appropriate flyash is added as mixed material water ratio is greater than 10%, from finished product proportioning machine, suitable quantity of water adjustment is added as mixed material water ratio is less than 10%, after material water ratio reaches 10% after mixing, enter secondary wheel roller rolling again, after secondary wheel roller rolling, send into finished product bin;
(4) green brick forming: enter material in finished product bin after vibratory screening apparatus filters, with the compression moulding of brick machine, rest 3 ~ 5h again, and then entering vapor pressure is that the autoclave of 0.85 ~ 1.6mpa carries out vapor cure 10 hours, then to be placed under outdoor state natural curing 28 days;
Described aggregate is sand or slag.
Described complete batching after material carry out mixing rolling 6 minutes at a wheel roller, rolling 3 minutes in secondary wheel roller rolling.
The optimum proportioning of described saponified residue, aggregate, flyash is, by weight percentage: saponified residue 30%, aggregate 25%, flyash 45%.
The vapor pressure of described autoclave is 1.5mpa.
The invention has the beneficial effects as follows, utilize technical solution of the present invention brickmaking technology can make flyash and calcium hydroxide in vapor cure process, silicon-dioxide in calcium hydroxide and flyash and aluminium sesquioxide generation chemical reaction, generate hydrated calcium silicate and drated calcium aluminate, flyash and other spikes surface formed one deck hydrated product flyash and other spikes cementing, form the materials for wall with certain physical and mechanical property, brick strength can at more than mu10.This technique has the following advantages:
1, production technique is simple.Production method of the present invention is succinct, and process level of residue is large, and apparatus and process is simple, and alternative clay brick, economizes the land resource.
2, non-environmental-pollution.The production method of the present invention does not produce discarded water, and secondary does not produce solid waste, is the environmental protection project of recycling.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of the technique of the present invention.
Wherein, 1-proportioning machine, 2-storage hopper, 3-wheel roller, 4-finished product proportioning machine, 5-No. bis-wheel rollers, 6-finished product bin, 7-vibratory screening apparatus, 8-brick machine, 9-autoclave.
Embodiment
Below in conjunction with embodiment, the present invention is described further.
Embodiment 1:
Utilize a technique for saponified residue brickmaking, comprise the steps:
(1) the pre-pre-treatment of raw material: the aggregate that the dry content of aggregate, flyash, calcium hydroxide is greater than in the saponified residue of 30% is pulverized, the particle diameter of aggregate is made to be 2 ~ 5mm, the particle diameter of saponified residue is less than 3mm, to improve the degree of mixing of subsequent material, and intensified response probability; Described flyash loss on ignition is less than 8%, the content of silicon-dioxide and aluminium sesquioxide is greater than 70%, and the raw material through pre-pre-treatment enters in each storage hopper 2 in proportioning machine 1 respectively;
(2) prepare burden: the material leaving the pre-pre-treatment of process in each storage hopper 2 in good according to weight percent is: saponified residue 20%, aggregate 15%, and the ratio of flyash 65% is prepared burden by proportioning machine 1;
(3) mixing of materials damping: send into a wheel roller 3 carry out mixing rolling 6 minutes by completing the material after batching, measure the water ratio of the rear material of mixing, from finished product proportioning machine 4, the adjustment of appropriate flyash is added as mixed material water ratio is greater than 10%, from finished product proportioning machine 4, suitable quantity of water adjustment is added as mixed material water ratio is less than 10%, after material water ratio reaches 10% after mixing, enter secondary wheel roller 5 rolling 3 minutes again, after secondary wheel roller 5 rolling, send into finished product bin 6;
(4) green brick forming: enter material in finished product bin 6 after vibratory screening apparatus 7 filters, with brick machine 8 compression moulding, rest 3h again, and then entering vapor pressure is that the autoclave 9 of 0.85mpa carries out vapor cure 10 hours, then to be placed under outdoor state natural curing 28 days;
Described aggregate is sand.
After measured, the brick strength in the present embodiment is mu11.
Embodiment 2:
Utilize a technique for saponified residue brickmaking, comprise the steps:
(1) the pre-pre-treatment of raw material: the aggregate that the dry content of aggregate, flyash, calcium hydroxide is greater than in the saponified residue of 30% is pulverized, the particle diameter of aggregate is made to be 2 ~ 5mm, the particle diameter of saponified residue is less than 3mm, to improve the degree of mixing of subsequent material, and intensified response probability; Described flyash loss on ignition is less than 8%, the content of silicon-dioxide and aluminium sesquioxide is greater than 70%, and the raw material through pre-pre-treatment enters in each storage hopper 2 in proportioning machine 1 respectively;
(2) prepare burden: the material leaving the pre-pre-treatment of process in each storage hopper 2 in good according to weight percent is: saponified residue 35%, aggregate 30%, and the ratio of flyash 35% is prepared burden by proportioning machine 1;
(3) mixing of materials damping: send into a wheel roller 3 carry out mixing rolling 6 minutes by completing the material after batching, measure the water ratio of the rear material of mixing, from finished product proportioning machine 4, the adjustment of appropriate flyash is added as mixed material water ratio is greater than 10%, from finished product proportioning machine 4, suitable quantity of water adjustment is added as mixed material water ratio is less than 10%, after material water ratio reaches 10% after mixing, enter secondary wheel roller 5 rolling 3 minutes again, after secondary wheel roller 5 rolling, send into finished product bin 6;
(4) green brick forming: enter material in finished product bin 6 after vibratory screening apparatus 7 filters, with brick machine 8 compression moulding, rest 5h again, and then entering vapor pressure is that the autoclave 9 of 1.6mpa carries out vapor cure 10 hours, then to be placed under outdoor state natural curing 28 days;
Described aggregate is slag.
After measured, the brick strength in the present embodiment is mu10.5.
Embodiment 3:
Utilize a technique for saponified residue brickmaking, comprise the steps:
(1) the pre-pre-treatment of raw material: the aggregate that the dry content of aggregate, flyash, calcium hydroxide is greater than in the saponified residue of 30% is pulverized, the particle diameter of aggregate is made to be 2 ~ 5mm, the particle diameter of saponified residue is less than 3mm, to improve the degree of mixing of subsequent material, and intensified response probability; Described flyash loss on ignition is less than 8%, the content of silicon-dioxide and aluminium sesquioxide is greater than 70%, and the raw material through pre-pre-treatment enters in each storage hopper 2 in proportioning machine 1 respectively;
(2) prepare burden: the material leaving the pre-pre-treatment of process in each storage hopper 2 in good according to weight percent is: the ratio of saponified residue 30%, aggregate 25%, flyash 45% is prepared burden by proportioning machine 1;
(3) mixing of materials damping: send into a wheel roller 3 carry out mixing rolling 6 minutes by completing the material after batching, measure the water ratio of the rear material of mixing, from finished product proportioning machine 4, the adjustment of appropriate flyash is added as mixed material water ratio is greater than 10%, from finished product proportioning machine 4, suitable quantity of water adjustment is added as mixed material water ratio is less than 10%, after material water ratio reaches 10% after mixing, enter secondary wheel roller 5 rolling 3 minutes again, after secondary wheel roller 5 rolling, send into finished product bin 6;
(4) green brick forming: enter material in finished product bin 6 after vibratory screening apparatus 7 filters, with brick machine 8 compression moulding, rest 4h again, and then entering vapor pressure is that the autoclave 9 of 1.5mpa carries out vapor cure 10 hours, then to be placed under outdoor state natural curing 28 days;
Described aggregate is sand.
After measured, the brick strength in the present embodiment is mu12.
The intensity of brick adopting technical solution of the present invention to make is up to state standards requirement, can complete instead of clay brick.Present invention process is simple, and not producing secondary pollution aborning, is the environmental protection project of resource circulation utilization.
Claims (4)
1. utilize a method for saponified residue brickmaking, it is characterized in that, described method comprises the steps:
(1) the pre-pre-treatment of raw material: the dry content of aggregate, flyash, calcium hydroxide is greater than aggregate in the saponified residue of 30% and saponified residue is pulverized, the particle diameter of aggregate is made to be 2 ~ 5mm, the particle diameter of saponified residue is less than 3mm, to improve the degree of mixing of subsequent material, intensified response probability; Described flyash loss on ignition is less than 8%, the content of silicon-dioxide and aluminium sesquioxide is greater than 70%, and the raw material through pre-pre-treatment enters in each storage hopper in proportioning machine respectively;
(2) prepare burden: the material leaving the pre-pre-treatment of process in each storage hopper according to weight percent is: saponified residue 20 ~ 35%, aggregate 15 ~ 30%, and the ratio of flyash 35 ~ 65%, is prepared burden by proportioning machine;
(3) mixing of materials damping: send into a wheel roller carry out mixing rolling by completing the material after batching, measure the water ratio of the rear material of mixing, from finished product proportioning machine, the adjustment of appropriate flyash is added as mixed material water ratio is greater than 10%, from finished product proportioning machine, suitable quantity of water adjustment is added as mixed material water ratio is less than 10%, after material water ratio reaches 10% after mixing, enter secondary wheel roller rolling again, after secondary wheel roller rolling, send into finished product bin;
(4) green brick forming: enter material in finished product bin after vibratory screening apparatus filters, with the compression moulding of brick machine, rest 3 ~ 5h again, and then entering vapor pressure is that the autoclave of 0.85 ~ 1.6MPa carries out vapor cure 10 hours, then to be placed under outdoor state natural curing 28 days;
Described aggregate is sand or slag.
2. a kind of method utilizing saponified residue brickmaking according to claim 1, is characterized in that, described in complete batching after material carry out mixing rolling 6 minutes at a wheel roller, rolling 3 minutes in secondary wheel roller rolling.
3. the method utilizing saponified residue brickmaking according to claim 1 and 2, is characterized in that, the optimum proportioning of described saponified residue, aggregate, flyash is, by weight percentage: saponified residue 30%, aggregate 25%, flyash 45%.
4. the method utilizing saponified residue brickmaking according to claim 3, is characterized in that, the vapor pressure of described autoclave is 1.5Mpa.
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CN201110159305.3A CN102815880B (en) | 2011-06-07 | 2011-06-07 | A kind of technique utilizing saponified residue brickmaking |
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CN102815880B true CN102815880B (en) | 2016-01-13 |
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CN103396052B (en) * | 2013-08-23 | 2015-08-05 | 北京圣华同安新型建材技术有限公司 | A kind of production method of environmental protection brick and formula |
CN103641392B (en) * | 2013-11-14 | 2015-09-02 | 何根强 | A kind of formula of environmental protection brick and production method thereof |
CN109336640B (en) * | 2018-12-10 | 2021-12-14 | 青岛海通鑫瑞实业有限公司 | Application of carbon-based material in building heat preservation industry |
CN113120939A (en) * | 2021-04-22 | 2021-07-16 | 滨化集团股份有限公司 | Method for preparing calcium chloride by using saponification residue obtained by preparing epoxypropane or epoxychloropropane by chlorohydrination and device for realizing method |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1263063A (en) * | 2000-02-18 | 2000-08-16 | 孙景宽 | Fly ash microconcrete brick and its preparation method |
CN1302777A (en) * | 2001-02-03 | 2001-07-11 | 杜世永 | Technology for quickly producing building blocks or bricks with powdered coal ash without steaming and calcine |
CN1931546A (en) * | 2005-09-16 | 2007-03-21 | 青岛海晶化工集团有限公司 | Carbide slag brick producing process |
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KR100293771B1 (en) * | 1998-09-09 | 2001-09-17 | 신동규 | Mixed brick using waste and its manufacturing method |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1263063A (en) * | 2000-02-18 | 2000-08-16 | 孙景宽 | Fly ash microconcrete brick and its preparation method |
CN1302777A (en) * | 2001-02-03 | 2001-07-11 | 杜世永 | Technology for quickly producing building blocks or bricks with powdered coal ash without steaming and calcine |
CN1931546A (en) * | 2005-09-16 | 2007-03-21 | 青岛海晶化工集团有限公司 | Carbide slag brick producing process |
Non-Patent Citations (1)
Title |
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皂化渣与粉煤灰混合料的路用性能研究;孙吉书等;《第四届亚太可持续发展交通与环境技术大会论文集》;人民交通出版社;20051130;第290-293页 * |
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