CN103332947A - Perforated environment-friendly sintered brick and preparation method thereof - Google Patents
Perforated environment-friendly sintered brick and preparation method thereof Download PDFInfo
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- CN103332947A CN103332947A CN201310292802XA CN201310292802A CN103332947A CN 103332947 A CN103332947 A CN 103332947A CN 201310292802X A CN201310292802X A CN 201310292802XA CN 201310292802 A CN201310292802 A CN 201310292802A CN 103332947 A CN103332947 A CN 103332947A
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Abstract
The invention relates to a perforated environment-friendly sintered brick and a preparation method thereof. The perforated environment-friendly sintered brick comprises the following ingredients by weight percentage: 10-20% of sludge, 3-5% of coal, 58-63% of shale and 18-22% of water. The preparation method comprises the following steps of batching, grinding, ageing, pugging, extrusion forming, drying and roasting. The brick and the method have the benefits that the production cost is low, the preparation technology is simple, the brick is very environment-friendly and does not pollution an environment, and the environment-friendly brick has good thermal insulation and sound insulation performance, is high in porosity and compressive strength, fireproof and moisture-proof, can serve as a load-bearing brick and is convenient to construct.
Description
Technical field
The present invention relates to a kind of sintered porous environmental protection brick and preparation method thereof.
Background technology
Traditional brick-making method is to make adobe with clay, coal, makes solid clay brick by high-temperature roasting.At present, some areas use shale, coal to make adobe, generate shale brick by high temperature sintering, have substituted the method for clay-brickmaking.The production of shale brick does not re-use clay, has significantly reduced the destruction to ploughing.Mud be stay after sewage work disposes of sewage environment is had the solid waste that has a strong impact on, its physical and chemical performance index meets the requirement of producing shale brick, and has certain thermal value.Mud can be mixed and produce sintered porous environmental protection brick in the shale raw material, turn harm into good, turn waste into wealth, and significantly reduce former consumption of coal, energy-saving and emission-reduction economize the land resource.
Summary of the invention
The purpose of this invention is to provide a kind of sintered porous environmental protection brick.
Another object of the present invention provides a kind of preparation method of sintered porous environmental protection brick.
The technical scheme that the present invention adopts for its technical problem of solution is:
A kind of sintered porous environmental protection brick is made up of mud, coal, shale and water, it is characterized in that:
By weight, the content of described mud, coal, shale and water is respectively: mud 10～20, coal 3～5, shale 58～63 and water 18～22.
The preparation method of described sintered porous environmental protection brick is:
1. prepare burden: by weight, the content of mud, coal, shale and water is respectively: mud 10～20, coal 3～5, shale 58～63 and water 18～22;
2. pulverize: after the removal of impurity, with twin rollers with raw material pulverizing, with raw material granularity control less than 2 ㎜;
3. ageing: the material that will be crushed to required fineness added water infiltration 3～6 days, and it is further discongested, and impelled water distribution even, improved the processability of raw material;
4. pugging: the raw material that ageing is good carries out pugging with pug mill;
5. extrusion molding: adopt the two-stage vacuum forcing machine under ﹣ 0.08MPa vacuum tightness, to extrude material forming, carry out slitting then, cut embryo, make qualified wet idiosome;
6. dry: the idiosome that will wet was put into the tunnel drying kiln drying dry 28.5 hours after dividing embryo, sign indicating number well, and the moisture temperature of guaranteeing to discharge is less than 45 ℃, and relative humidity 90～95% is dried to the idiosome residual water-content less than 7%;
7. roasting: the energy-efficient tunnel furnace of section carries out roasting to the good idiosome of drying in the employing, adopt on the car, the measure of car pressure balance, make embryo stamp the upper and lower temperature difference and dwindled 40～50 ℃, adopt secondary air to make " laminar flow " become " turbulent flow ", weaken the indoor gas demixing phenomenon, obtain sintered porous environmental protection brick after the roasting.
Draw by a large amount of repetition tests, in the shale brick raw material is mixed than process, add a certain proportion of mud, can prepare sintered porous environmental protection brick, and product environmental protection, resistance to compression, national walling standard met.Admixture the adobe of mud, can remove the objectionable constituent of mud by the kiln high-temperature roasting, required water and coal in the process of production adobe simultaneously, can utilize mud self high-moisture percentage, self-heating amount, water and coal have been saved greatly, this preparation method has thoroughly solved a great problem of sludge disposal, turns waste into wealth really to have realized refuse reclamation, has also saved resource simultaneously.
Advantage and effect that the present invention compared with prior art has are:
1, production cost of the present invention is low, and preparation technology is simple, and very environmental protection, and is free from environmental pollution.Environmental protection brick raw materials for production of the present invention are easy to get, and are fit to scale operation, and have realized the recycling of mud, turn waste into wealth, and mud itself has the 500kcal/kg thermal value, and its thermal value can satisfy dry and roasting 50% needs.Environmental protection brick preparation process of the present invention has been saved shale resource, water resources and the energy, energy-saving and emission-reduction.
2, environmental protection brick of the present invention is made up of shale, mud and coal, in the high-temperature calcination process, coal combustion, mud discharge moisture, effectively raise hole ratio, reduced the thermal conductivity of product, the solid clay brick thermal conductivity is 0.78 W/ (mK), the thermal conductivity of bearing sintered porous blocks is 0.56W/ (mK), and the equivalent heat conductivity of environmental protection brick of the present invention has significantly improved heat-insulating property less than 0.25W/ (mK), can realize building energy conservation.
3, it is 1.7 times of solid brick approximately that environmental protection brick hole ratio average out to 30% of the present invention, its volume are rolled over common solid brick, can effectively save material of construction, energy-conserving and environment-protective, resources conseravtion.
4, environmental protection brick of the present invention is made through high-temperature roasting, and shale, sewage sludge sintering in the high-temperature calcination process have increased the intensity of brick.Environmental protection brick ultimate compression strength mean value of the present invention close to common solid clay brick (15-20MPa), is suitable as the load-bearing walling up to 15.8MPa.
5, environmental protection brick of the present invention is a kind of micropore system product, and the characteristic of very desirable absorption and release moisture is arranged, and water permeability resistance is strong.Environmental protection brick apparent density of the present invention is 700～900kg/m3, and traditional clay brick then is 1800 kg/m3, and its quality is light by contrast, is fit to be applied to Highrise buildings.
The stress influence of generations such as 6, environmental protection brick structures shear strength height of the present invention, masonry do not expanded with heat and contract with cold, the wet drying shrinkage that rises and body of wall is cracked is the higher materials for wall of a kind of performance.
This environmental protection brick of the present invention has well
Can do heavy-load bearing brick, easy construction is the better substitute products of clay solid brick, can satisfy vast village, town to the material of construction demand, is a kind of wide application prospect that has, excellent property, meet the light wall material of national walling standard.
Embodiment
Utilize mud, coal, shale and water to mix by a certain percentage, behind stirring, ageing, pugging, moulding, slitting, be processed into adobe, enter the dry kiln drying, by the tunnel furnace roasting, prepare a kind of sintered porous environmental protection brick at last.
The invention will be further described below by preferred embodiment:
A kind of sintered porous environmental protection brick is made up of mud, coal, shale and water, it is characterized in that:
By weight, the content of described mud, coal, shale and water is respectively: mud 10～20, coal 3～5, shale 58～63 and water 18～22.
Embodiment 1:
1. prepare burden: the ingredients by weight of mud, coal, shale, water is than being 10:5:63:22;
2. pulverize: after the removal of impurity, with twin rollers with raw material pulverizing, with raw material granularity control less than 2 ㎜;
3. ageing: the material that will be crushed to required fineness added water infiltration 3～6 days, and it is further discongested, and impelled water distribution even, improved the processability of raw material;
4. pugging: the raw material that ageing is good carries out pugging with pug mill;
5. extrusion molding: adopt the two-stage vacuum forcing machine under ﹣ 0.08MPa vacuum tightness, to extrude material forming, carry out slitting then, cut embryo, make qualified wet idiosome;
6. dry: the idiosome that will wet was put into the tunnel drying kiln drying dry 28.5 hours after dividing embryo, sign indicating number well, and the moisture temperature of guaranteeing to discharge is less than 45 ℃, and relative humidity 90～95% is dried to the idiosome residual water-content less than 7%;
7. roasting: the energy-efficient tunnel furnace of section carries out roasting to the good idiosome of drying in the employing, adopt on the car, the measure of car pressure balance, make embryo stamp the upper and lower temperature difference and dwindled 40～50 ℃, adopt secondary air to make " laminar flow " become " turbulent flow ", weaken the indoor gas demixing phenomenon, obtain shale sewage sludge sintering stephanoporate environment protection brick product after the roasting.
Embodiment 2:
Sintered porous environmental protection brick, preparing burden is: the ingredients by weight of mud, coal, shale, water is than being 15:4:61:20, and the preparation method is with embodiment 1.
Embodiment 3:
Sintered porous environmental protection brick, preparing burden is: the ingredients by weight of mud, coal, shale, water is than being 20:3:59:18, and the preparation method is with embodiment 1.
Claims (5)
1. a sintered porous environmental protection brick is made up of mud, coal, shale and water, it is characterized in that: by weight, the content of described mud, coal, shale and water is respectively: mud 10～20, coal 3～5, shale 58～63 and water 18～22.
2. the preparation method of sintered porous environmental protection brick as claimed in claim 1 is characterized in that:
1. prepare burden: by weight, the content of mud, coal, shale and water is respectively: mud 10～20, coal 3～5, shale 58～63 and water 18～22;
2. pulverize: after the removal of impurity, with twin rollers with raw material pulverizing, with raw material granularity control less than 2 ㎜;
3. ageing: the material that will be crushed to required fineness added water infiltration 3～6 days, and it is further discongested, and impelled water distribution even, improved the processability of raw material;
4. pugging: the raw material that ageing is good carries out pugging with pug mill;
5. extrusion molding: adopt the two-stage vacuum forcing machine under ﹣ 0.08MPa vacuum tightness, to extrude material forming, carry out slitting then, cut embryo, make qualified wet idiosome;
6. dry: the idiosome that will wet was put into the tunnel drying kiln drying dry 28.5 hours after dividing embryo, sign indicating number well, and the moisture temperature of guaranteeing to discharge is less than 45 ℃, and relative humidity 90～95% is dried to the idiosome residual water-content less than 7%;
7. roasting: the energy-efficient tunnel furnace of section carries out roasting to the good idiosome of drying in the employing, adopt on the car, the measure of car pressure balance, make embryo stamp the upper and lower temperature difference and dwindled 40～50 ℃, adopt secondary air to make " laminar flow " become " turbulent flow ", weaken the indoor gas demixing phenomenon, obtain sintered porous environmental protection brick after the roasting.
3. the preparation method of sintered porous environmental protection brick according to claim 2 is characterized in that:
1. prepare burden: by weight, the content of mud, coal, shale and water is respectively: mud 10, coal 5, shale 63 and water 22;
2. pulverize: after the removal of impurity, with twin rollers with raw material pulverizing, with raw material granularity control less than 2 ㎜;
3. ageing: the material that will be crushed to required fineness added water infiltration 3～6 days, and it is further discongested, and impelled water distribution even, improved the processability of raw material;
4. pugging: the raw material that ageing is good carries out pugging with pug mill;
5. extrusion molding: adopt the two-stage vacuum forcing machine under ﹣ 0.08MPa vacuum tightness, to extrude material forming, carry out slitting then, cut embryo, make qualified wet idiosome;
6. dry: the idiosome that will wet was put into the tunnel drying kiln drying dry 28.5 hours after dividing embryo, sign indicating number well, and the moisture temperature of guaranteeing to discharge is less than 45 ℃, and relative humidity 90～95% is dried to the idiosome residual water-content less than 7%;
7. roasting: the energy-efficient tunnel furnace of section carries out roasting to the good idiosome of drying in the employing, adopt on the car, the measure of car pressure balance, make embryo stamp the upper and lower temperature difference and dwindled 40～50 ℃, adopt secondary air to make " laminar flow " become " turbulent flow ", weaken the indoor gas demixing phenomenon, obtain sintered porous environmental protection brick after the roasting.
4. the preparation method of sintered porous environmental protection brick according to claim 2 is characterized in that:
1. prepare burden: by weight, the content of mud, coal, shale and water is respectively: mud 15, coal 4, shale 61 and water 20;
2. pulverize: after the removal of impurity, with twin rollers with raw material pulverizing, with raw material granularity control less than 2 ㎜;
3. ageing: the material that will be crushed to required fineness added water infiltration 3～6 days, and it is further discongested, and impelled water distribution even, improved the processability of raw material;
4. pugging: the raw material that ageing is good carries out pugging with pug mill;
5. extrusion molding: adopt the two-stage vacuum forcing machine under ﹣ 0.08MPa vacuum tightness, to extrude material forming, carry out slitting then, cut embryo, make qualified wet idiosome;
6. dry: the idiosome that will wet was put into the tunnel drying kiln drying dry 28.5 hours after dividing embryo, sign indicating number well, and the moisture temperature of guaranteeing to discharge is less than 45 ℃, and relative humidity 90～95% is dried to the idiosome residual water-content less than 7%;
7. roasting: the energy-efficient tunnel furnace of section carries out roasting to the good idiosome of drying in the employing, adopt on the car, the measure of car pressure balance, make embryo stamp the upper and lower temperature difference and dwindled 40～50 ℃, adopt secondary air to make " laminar flow " become " turbulent flow ", weaken the indoor gas demixing phenomenon, obtain sintered porous environmental protection brick after the roasting.
5. the preparation method of sintered porous environmental protection brick according to claim 2 is characterized in that:
1. prepare burden: by weight, the content of mud, coal, shale and water is respectively: mud 20, coal 3, shale 59 and water 18;
2. pulverize: after the removal of impurity, with twin rollers with raw material pulverizing, with raw material granularity control less than 2 ㎜;
3. ageing: the material that will be crushed to required fineness added water infiltration 3～6 days, and it is further discongested, and impelled water distribution even, improved the processability of raw material;
4. pugging: the raw material that ageing is good carries out pugging with pug mill;
5. extrusion molding: adopt the two-stage vacuum forcing machine under ﹣ 0.08MPa vacuum tightness, to extrude material forming, carry out slitting then, cut embryo, make qualified wet idiosome;
6. dry: the idiosome that will wet was put into the tunnel drying kiln drying dry 28.5 hours after dividing embryo, sign indicating number well, and the moisture temperature of guaranteeing to discharge is less than 45 ℃, and relative humidity 90～95% is dried to the idiosome residual water-content less than 7%;
7. roasting: the energy-efficient tunnel furnace of section carries out roasting to the good idiosome of drying in the employing, adopt on the car, the measure of car pressure balance, make embryo stamp the upper and lower temperature difference and dwindled 40～50 ℃, adopt secondary air to make " laminar flow " become " turbulent flow ", weaken the indoor gas demixing phenomenon, obtain sintered porous environmental protection brick after the roasting.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103553552A (en) * | 2013-10-15 | 2014-02-05 | 徐基明 | Urban sewage treatment sludge reproduced sintered brick |
| CN104611497A (en) * | 2015-01-19 | 2015-05-13 | 李成武 | Method for directly reducing nickel-bearing pig iron from laterite-nickel ore in thermal-storage nickel-iron tunnel kiln |
| CN104973854A (en) * | 2015-06-30 | 2015-10-14 | 广西科技大学 | Impervious municipal sludge-sintered shale brick and production method thereof |
| CN106396616A (en) * | 2016-08-30 | 2017-02-15 | 兴业县山心博诚建材厂 | Preparation method for perforated brick |
| CN106396718A (en) * | 2016-08-30 | 2017-02-15 | 兴业县山心博诚建材厂 | Preparation method of sludge shale porous brick |
| CN106495660A (en) * | 2016-11-02 | 2017-03-15 | 常州市鼎升环保科技有限公司 | A kind of preparation method of high-strength environment-friendly brick |
| CN109206151A (en) * | 2018-11-19 | 2019-01-15 | 桂林理工大学 | A kind of light thermal-insulation shale brick and preparation method thereof |
| CN112028611A (en) * | 2020-09-21 | 2020-12-04 | 岳阳市联合页岩环保砖制造有限公司 | Application of catalyst filter residue in shale brick and shale porous environment-friendly brick |
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| CN101244928A (en) * | 2008-03-17 | 2008-08-20 | 彭强 | Method for producing sewage sludge shale brick |
| JP2009013013A (en) * | 2007-07-04 | 2009-01-22 | Araki Yogyo Kk | Porous brick and its production method |
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2013
- 2013-07-12 CN CN201310292802XA patent/CN103332947A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009013013A (en) * | 2007-07-04 | 2009-01-22 | Araki Yogyo Kk | Porous brick and its production method |
| CN101244928A (en) * | 2008-03-17 | 2008-08-20 | 彭强 | Method for producing sewage sludge shale brick |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103553552A (en) * | 2013-10-15 | 2014-02-05 | 徐基明 | Urban sewage treatment sludge reproduced sintered brick |
| CN104611497A (en) * | 2015-01-19 | 2015-05-13 | 李成武 | Method for directly reducing nickel-bearing pig iron from laterite-nickel ore in thermal-storage nickel-iron tunnel kiln |
| CN104973854A (en) * | 2015-06-30 | 2015-10-14 | 广西科技大学 | Impervious municipal sludge-sintered shale brick and production method thereof |
| CN106396616A (en) * | 2016-08-30 | 2017-02-15 | 兴业县山心博诚建材厂 | Preparation method for perforated brick |
| CN106396718A (en) * | 2016-08-30 | 2017-02-15 | 兴业县山心博诚建材厂 | Preparation method of sludge shale porous brick |
| CN106495660A (en) * | 2016-11-02 | 2017-03-15 | 常州市鼎升环保科技有限公司 | A kind of preparation method of high-strength environment-friendly brick |
| CN109206151A (en) * | 2018-11-19 | 2019-01-15 | 桂林理工大学 | A kind of light thermal-insulation shale brick and preparation method thereof |
| CN112028611A (en) * | 2020-09-21 | 2020-12-04 | 岳阳市联合页岩环保砖制造有限公司 | Application of catalyst filter residue in shale brick and shale porous environment-friendly brick |
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Application publication date: 20131002 |