CN103755309A - Municipal sludge sintered shale perforated brick and production method thereof - Google Patents

Municipal sludge sintered shale perforated brick and production method thereof Download PDF

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Publication number
CN103755309A
CN103755309A CN201310747738.XA CN201310747738A CN103755309A CN 103755309 A CN103755309 A CN 103755309A CN 201310747738 A CN201310747738 A CN 201310747738A CN 103755309 A CN103755309 A CN 103755309A
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CN
China
Prior art keywords
municipal sludge
powder
perforated brick
production
sludge
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Application number
CN201310747738.XA
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Chinese (zh)
Inventor
黄榜彪
黄秉章
朱基珍
黎喜强
吴元昌
武海龙
关琼琼
赖骏
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广西科技大学
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Application filed by 广西科技大学 filed Critical 广西科技大学
Priority to CN201310747738.XA priority Critical patent/CN103755309A/en
Publication of CN103755309A publication Critical patent/CN103755309A/en

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Abstract

The invention provides a municipal sludge sintered shale perforated brick and a production method thereof. The municipal sludge sintered shale perforated brick is produced by mainly adopting the following raw materials according to a mass ratio: 70-80% of shale, 15-25% of municipal sludge powder and 3-7% of an additive. The production method comprises the following steps: crushing the raw materials, sieving by using a 800-100 mesh sieve, adding water with the temperature of 40 DEG C-45 DEG C, which accounts for 5%-60% of the mass of the raw materials, uniformly stirring, standing for 1-1.5 hours, carrying out extrusion molding so as to product a green brick, drying, baking, carrying out heat preservation, and cooling to obtain the municipal sludge sintered shale perforated brick. The production method has the advantages that the sludge powder and the additives are added to shale powder, and organic matters in sludge are burnt thoroughly through high temperature sintering, so that lots of micropores are formed in the brick. The municipal sludge sintered shale perforated brick provided by the invention has relatively good performances such as heat preservation, thermal insulation, fire prevention, cracking prevention and sound insulation, the deal load of the municipal sludge sintered shale perforated brick is greatly reduced, and the municipal sludge sintered shale perforated brick is particularly suitable for non-bearing walls of buildings. According to the production method, probiotics are used for deodorizing sludge, so that the odor of the sludge can be effectively removed, meanwhile the sludge can also be dried, and the consumption of energy sources in production is reduced.

Description

Municipal sludge burned shale perforated brick and production method
Technical field
The present invention relates to the disposal and utilization of municipal sludge, is exactly municipal sludge burned shale perforated brick and the production method of a kind of lightweight, insulation, the performance such as heat insulation specifically.
Background technology
In October, 2012, Ministry of Industry and Information has has formally printed and distributed < < building materials industry " 12 " science and technology development planning > >, around the demand for development of " energy-conservation, sharp useless, environmental protection ", Developing Circulation Economy is wanted in proposition, improve resource utilization, improve environment, the building materials such as develop actively energy-conserving and environment-protective, heat insulating.On the other hand, along with the fast development of China's economy, the continuous quickening of urbanization process, municipal effluent generation and treatment capacity rapidly increase, the by product sewage sludge of sewage disposal increases with annual more than 10% speed, so can municipal sludge obtain reasonably processing the chains that become restriction urban development, the development of Gucheng city sewage sludge sintering shale porous brick and popularization have very important meaning to the development of China.
Summary of the invention
It is good that object of the present invention is just to provide a kind of heat insulation property, from heavy and light, and energy-conservation municipal sludge burned shale perforated brick and production method
Solution of the present invention is such:
A kind of municipal sludge burned shale perforated brick, mainly by the following raw material that contains mass ratio, made: shale 70-80%, municipal sludge powder 15-25%, auxiliary 3-7%, above-mentioned raw materials was crushed to after 80-100 mesh sieve, adding temperature is the 50%-60% that the water of 40 ℃-45 ℃ accounts for raw materials quality, standing 1-1.5 hour stirs, extrusion molding is with brickmaking base, through super-dry, roasting, insulation, cooling making.
Technical scheme also comprises more specifically: described auxiliary is mainly made by the following raw material that contains mass ratio: add calcium lime powder 2.5%-5.5%, add aluminium powder or iron powder 0.5%-1.5%, wherein unslaked lime counts accurately as crossing 60 mesh sieves.
A production method for municipal sludge burned shale perforated brick, comprises step:
(1), municipal sludge raw material preparation process: the good municipal sludge of deodorizing is put into air dry oven at the temperature of 105 ℃-110 ℃ dry, the municipal sludge after drying is pulverized and sieved to obtain to mud powder;
(2), raw material is made wet feed step: will mainly by the following raw material that contains mass ratio, be made: shale 70-80%, municipal sludge powder 15-25%, auxiliary 3-7%, above-mentioned raw materials was crushed to after 80-100 mesh sieve, adding temperature is the 50%-60% that the water of 40 ℃-45 ℃ accounts for raw materials quality, and standing 1-1.5 hour stirs;
(3), forming step: wet feed extrusion molding is made to adobe, through oven dry, roasting, insulation, cooling making.
Further: the auxiliary adding is mainly made by the following raw material that contains mass ratio: add calcium lime powder 2.5%-5.5%, add aluminium powder or iron powder 0.5%-1.5%, wherein unslaked lime counts accurately as crossing 60 mesh sieves.
Further: in described forming step, roasting is under 1050 ℃ of conditions, carry out roasting and keep 11 hours.
Further: in described step (1), to the method for municipal sludge raw material deodorizing, to be: to adopt the method for biological deodorizing to process mud, add and account for the 1-3% of sludge quality, the probiotic bacterium liquid that concentration is 10-15%, stir and carry out deodorizing.
In the present invention, shale is crushed and screened into plasticity-and the texture quality that the effect of shale powder is raising base, improves ratio of briquetting.In the time of 200 ℃-500 ℃, the organic matter in mud starts to burn, and plays the effect of similar interior fire coal, can effectively shorten the sintering time of base substrate, and can effectively save the consumption of coal; There is again the organism process high-temperature roasting afterfire in brick body in mud totally, further to produce a large amount of micropores, effectively improve shale brick insulation, heat insulation, sound-proofing properties, and reduce brick deadweight.
Mud powder incorporation be shale powder quality 20% time effect better.Mix mud powder more, the micropore forming in brick is more, and water-intake rate increases, the lighter but ultimate compression strength decline of conduct oneself with dignity.Mud powder incorporation is little, and water-intake rate reduces, and conduct oneself with dignity larger, but ultimate compression strength is better.
Advantage of the present invention is because the present invention and production method thereof are to add mud powder and other auxiliary materials in shale powder, and stirs with shale powder, and after high temperature sintering, the organic compound combustion in mud totally, forms a large amount of micropores in brick.Corresponding municipal sludge sintering shale brick of the present invention has the performances such as good insulation, heat insulation, fire prevention, anti-cracking, sound insulation, and deadweight reduces greatly, is specially adapted to the non-bearing wall body part of building.Simultaneously in the present invention, utilize probiotic bacterium to carry out deodorizing to mud, can not only effectively remove the stink of mud, simultaneously can also dewatered sludge, reduced produce in disappearing of the energy have consumption.
Embodiment
A kind of municipal sludge burned shale perforated brick, mainly by the following raw material that contains mass ratio, made: shale 70-80%, municipal sludge powder 15-25%, auxiliary 3-7%, above-mentioned raw materials was crushed to after 80-100 mesh sieve, adding temperature is the 50%-60% that the water of 40 ℃-45 ℃ accounts for raw materials quality, standing 1-1.5 hour stirs, extrusion molding is with brickmaking base, through super-dry, roasting, insulation, cooling making.
Described auxiliary is mainly made by the following raw material that contains mass ratio: add calcium lime powder 2.5%-5.5%, add aluminium powder or iron powder 0.5%-1.5%, wherein unslaked lime counts accurately as crossing 60 mesh sieves.
A production method for municipal sludge burned shale perforated brick, comprises step:
(1), municipal sludge raw material preparation process: the good municipal sludge of deodorizing is put into air dry oven at the temperature of 105 ℃~110 ℃ dry, the municipal sludge after drying is pulverized and sieved to obtain to mud powder; Method to the deodorizing of municipal sludge raw material is: adopt the method for biological deodorizing to process mud, adding quality is the probiotic bacterium liquid 1%, that concentration is 10% of sole mass, stirs and carries out deodorizing
(2), raw material is made wet feed step: will mainly by the following raw material that contains mass ratio, be made: shale 70-80%, municipal sludge powder 15-25%, auxiliary 3-7%, above-mentioned raw materials was crushed to after 80-100 mesh sieve, adding temperature is the 50%-60% that the water of 40 ℃-45 ℃ accounts for raw materials quality, and standing 1-1.5 hour stirs;
(3), forming step: wet feed extrusion molding is made to adobe, through oven dry, roasting, insulation, cooling making.
The auxiliary adding is mainly made by the following raw material that contains mass ratio: add calcium lime powder 2.5%-5.5%, add aluminium powder or iron powder 0.5%-1.5%, wherein unslaked lime counts accurately as crossing 60 mesh sieves.
In described forming step, roasting is under 1050 ℃ of conditions, carry out roasting and keep 11 hours.One embodiment of the present of invention are to carry out according to the following steps:
A, shale is pulverized and sieved to obtain to shale powder;
B, sludge deodorization;
C, the good municipal sludge of deodorizing to be put into air dry oven at the temperature of 105 ℃-110 ℃ dry;
D, the municipal sludge after drying is pulverized and sieved to obtain to mud powder;
E, in shale powder, add 15-25% municipal sludge powder and auxiliary 3-7% to stir;
F, the material stirring is made to base;
G, base is dried;
H, under 1050 ℃ of conditions, carry out roasting and keep 11 hours.
Wherein: mud powder accounts for the 15-25% of brick material proportioning
Shale 70-80%, adding temperature is the 50%-60% that the water of 40 ℃-45 ℃ accounts for raw materials quality, adds calcium lime powder 2.5%-5.5%, adds aluminium powder or iron powder 0.5%-1.5%, standing 1h-1.5h stirs.

Claims (6)

1. a municipal sludge burned shale perforated brick, it is characterized in that: mainly by the following raw material that contains mass ratio, made: shale 70-80%, municipal sludge powder 15-25%, auxiliary 3-7%, above-mentioned raw materials was crushed to after 80-100 mesh sieve, adding temperature is the 50%-60% that the water of 40 ℃-45 ℃ accounts for raw materials quality, standing 1-1.5 hour stirs, extrusion molding is with brickmaking base, through super-dry, roasting, insulation, cooling making.
2. municipal sludge burned shale perforated brick according to claim 1, it is characterized in that: described auxiliary is mainly made by the following raw material that contains mass ratio: add calcium lime powder 2.5%-5.5%, add aluminium powder or iron powder 0.5%-1.5%, wherein unslaked lime counts accurately as crossing 60 mesh sieves.
3. a production method for municipal sludge burned shale perforated brick according to claim 1, is characterized in that: comprise step:
(1), municipal sludge raw material preparation process: the good municipal sludge of deodorizing is put into air dry oven at the temperature of 105 ℃-110 ℃ dry, the municipal sludge after drying is pulverized and sieved to obtain to mud powder;
(2), raw material is made wet feed step: will mainly by the following raw material that contains mass ratio, be made: shale 70-80%, municipal sludge powder 15-25%, auxiliary 3-7%, above-mentioned raw materials was crushed to after 80-100 mesh sieve, adding temperature is the 50%-60% that the water of 40 ℃-45 ℃ accounts for raw materials quality, and standing 1-1.5 hour stirs;
(3), forming step: wet feed extrusion molding is made to adobe, through oven dry, roasting, insulation, cooling making.
4. the production method of municipal sludge burned shale perforated brick according to claim 3, it is characterized in that: the auxiliary adding is mainly made by the following raw material that contains mass ratio: add calcium lime powder 2.5%-5.5%, add aluminium powder or iron powder 0.5%-1.5%, wherein unslaked lime counts accurately as crossing 60 mesh sieves.
5. the production method of municipal sludge burned shale perforated brick according to claim 3, is characterized in that: in described forming step, roasting is under 1050 ℃ of conditions, carry out roasting and keep 11 hours.
6. the production method of municipal sludge burned shale perforated brick according to claim 3, it is characterized in that: in described step (1), method to the deodorizing of municipal sludge raw material is: adopt the method for biological deodorizing to process mud, add and account for the 1-3% of sludge quality, the probiotic bacterium liquid that concentration is 10-15%, stir and carry out deodorizing.
CN201310747738.XA 2013-12-31 2013-12-31 Municipal sludge sintered shale perforated brick and production method thereof CN103755309A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104370522A (en) * 2014-10-24 2015-02-25 广西大学 Method for making bricks by virtue of pre-burnt municipal sludge
CN104529389A (en) * 2014-12-31 2015-04-22 广西科技大学 Papermaking white mud light shale brick and producing method thereof
CN104529395A (en) * 2014-12-31 2015-04-22 广西科技大学 Dairy product waste liquor light shale brick and production method thereof
CN104973854A (en) * 2015-06-30 2015-10-14 广西科技大学 Impervious municipal sludge-sintered shale brick and production method thereof
CN106278145A (en) * 2016-07-27 2017-01-04 亚太森博(山东)浆纸有限公司 The process technique of a kind of mud, shale brick and preparation method thereof
CN109053143A (en) * 2018-09-19 2018-12-21 南京胜仁市政建设有限公司 It is a kind of to use making brick from sludge technique

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102491725A (en) * 2011-11-16 2012-06-13 宝丰县人和新型建材有限公司 Fired brick prepared from sludge
CN102875103A (en) * 2012-09-21 2013-01-16 黄榜彪 Light shale brick and production method thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102491725A (en) * 2011-11-16 2012-06-13 宝丰县人和新型建材有限公司 Fired brick prepared from sludge
CN102875103A (en) * 2012-09-21 2013-01-16 黄榜彪 Light shale brick and production method thereof

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104370522A (en) * 2014-10-24 2015-02-25 广西大学 Method for making bricks by virtue of pre-burnt municipal sludge
CN104529389A (en) * 2014-12-31 2015-04-22 广西科技大学 Papermaking white mud light shale brick and producing method thereof
CN104529395A (en) * 2014-12-31 2015-04-22 广西科技大学 Dairy product waste liquor light shale brick and production method thereof
CN104973854A (en) * 2015-06-30 2015-10-14 广西科技大学 Impervious municipal sludge-sintered shale brick and production method thereof
CN106278145A (en) * 2016-07-27 2017-01-04 亚太森博(山东)浆纸有限公司 The process technique of a kind of mud, shale brick and preparation method thereof
CN109053143A (en) * 2018-09-19 2018-12-21 南京胜仁市政建设有限公司 It is a kind of to use making brick from sludge technique

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