CN107602076A - A kind of preparation method using sludge as the heat-preserving sintered brick of raw material - Google Patents
A kind of preparation method using sludge as the heat-preserving sintered brick of raw material Download PDFInfo
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- CN107602076A CN107602076A CN201711089270.4A CN201711089270A CN107602076A CN 107602076 A CN107602076 A CN 107602076A CN 201711089270 A CN201711089270 A CN 201711089270A CN 107602076 A CN107602076 A CN 107602076A
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- sludge
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- preparation
- river
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes
Abstract
The invention discloses a kind of preparation method using river sludge as the heat-preserving sintered brick of aggregate; meeting the requirement of heat insulation effect simultaneously; reduce brick body weight; with light thermal-insulation performance; and cost is cheap; in the colleague for the processing problem for solving city river sludge, cultivated land resource is protected, realizes the needs recycled of city river sludge.Heat insulating effect of the present invention is fabulous, and excellent in mechanical performance, further compounded in salpeter solution with chemical fibre leftover bits and pieces, not only intensity is higher, and on the premise of guarantee is excellent in cushion effect, the structure with certain porosity can be formed in brick structure, on the basis of brick body weight is reduced, both it ensure that fragment of brick had certain mechanical strength, and also made to form air heat-insulation layer between fragment of brick, heat insulating effect is fabulous.
Description
Technical field
The present invention relates to fired brick technical field, more particularly to a kind of preparation side using sludge as the heat-preserving sintered brick of raw material
Method.
Background technology
With social development, the requirement more and more higher of building energy conservation, the correspondingly insulation to construction material and heat insulating function
It is required that also more and more higher.Light-weight insulating brick is that a kind of bulk density is low, the porosity is high, the heat preserving and insulating material of low thermal conductivity, its
The characteristics of low-density, low heat conductivity, determines that it applies upper irreplaceability in Industrial Stoves.According to national building energy conservation side
The relevant requirement in face, develop energy-saving light-weight insulating brick and be of great significance.The light-weight insulating brick needs used now
Using substantial amounts of arable land clay, this does not meet the national policy for establishing conservation-minded society.
The present invention is not only effectively utilized sludge caused by urban afforestation using city river sludge as primary raw material, and
The low market prospects of cost are very good.
The content of the invention
The present invention proposes a kind of preparation method using sludge as the heat-preserving sintered brick of raw material.
A kind of preparation method using sludge as the heat-preserving sintered brick of raw material, comprise the following steps：To pretreatment river sludge
Middle addition salpeter solution, the mixing of chemical fibre leftover bits and pieces, heating stirring, filtering, add waterglass, sodium tripolyphosphate, water and are well mixed,
Shaping, sintering obtain inexpensive heat-preserving sintered brick.
Preferably, it is respectively 70-85%, 10- to pre-process river sludge, salpeter solution, the total amount percentage of chemical fibre leftover bits and pieces
15% and surplus.
Preferably, it is 100 to pre-process river sludge, waterglass, the weight ratio of sodium tripolyphosphate：（3-6）：（4-6）.
Preferably, river sludge is pre-processed to prepare using following technique：Colliery powder is mixed with river sludge, into life
Thing leaching pond handles 24 ~ 48h；Carry out press filtration and realize separation of solid and liquid；Solid after dehydration is to pre-process river sludge.
Preferably, in the preparation technology for pre-processing river sludge, the weight ratio of colliery powder and river sludge is 100：
（150-350）.
Gangue is the solid waste discharged during coal mining process and coal washing, be one kind in coalification course with coal seam companion
A kind of relatively low, harder than the coal black and gray rock of raw phosphorus content.Including the digging gangue during tunnelling, mining process
In the spoil that is produced in top plate, bottom plate and interlayer and that chooses during coal washing wash spoil.Its main component be Al2O3,
SiO2, Fe2O3, CaO, MgO, Na2O, K2O, P2O5, the SO3 and micro rare element not waited containing quantity also in addition（Gallium, vanadium,
Titanium, cobalt）.Gangue is thrown aside, takes tract.Sulfide effusion or leaching in gangue can pollute air, farmland
And water body.Hillock can also spontaneous combustion fire occurs, or in rainy season avalanche, silt river up and cause disaster.China accumulates gangue and reached
More than 1000000000 tons, 100,000,000 tons of gangue will be also discharged every year.In order to eliminate pollution, from the sixties, many countries start to pay attention to coal
The processing and utilization of spoil.
Coal gangue subculture replaces fuel：Change iron；Burning boiler；Burnt lime；Reclaim coal.Produce cement：Produce normal silicate water
Mud；Produce special cement；Produce clinker-free cement.Produce construction material：Coal gangue baked brick, quality is preferable, and color is uniform；Coal
Spoil produce lightweight aggregate, lightweight aggregate be for the relative density of less concrete, and select a kind of porous aggregate；Produce bastard coal
Asbestos, using gangue and lime as raw material, through high temperature melt, a kind of construction material being blown.
The present invention, as aggregate, in the requirement for meeting heat insulation effect simultaneously, is reduced brick body weight, had using river sludge
There is light thermal-insulation performance, and cost is cheap, in the colleague for the processing problem for solving city river sludge, protects arable land to provide
Source, realize the needs recycled of city river sludge.
Heat insulating effect of the present invention is fabulous, and excellent in mechanical performance, is further got a foothold in salpeter solution with chemical fibre
Material compounding, not only intensity is higher, and on the premise of guarantee is excellent in cushion effect, meeting formation in brick structure has certain
It the structure of porosity, on the basis of brick body weight is reduced, both ensure that fragment of brick had certain mechanical strength, also made between fragment of brick
Air heat-insulation layer is formed, heat insulating effect is fabulous.
Embodiment
Below, technical scheme is described in detail by specific embodiment.
Embodiment 1
A kind of preparation method using sludge as the heat-preserving sintered brick of raw material, comprise the following steps：Add into pretreatment river sludge
Enter salpeter solution, the mixing of chemical fibre leftover bits and pieces, heating stirring, filtering, add waterglass, sodium tripolyphosphate, water and be well mixed, into
Type, sintering obtain inexpensive heat-preserving sintered brick.
It is respectively 75%, 12% and surplus to pre-process river sludge, salpeter solution, the total amount percentage of chemical fibre leftover bits and pieces.
It is 100 to pre-process river sludge, waterglass, the weight ratio of sodium tripolyphosphate：4：5.
River sludge is pre-processed to prepare using following technique：Colliery powder is mixed with river sludge, into bioleaching
Pond handles 36h；Carry out press filtration and realize separation of solid and liquid；Solid after dehydration is to pre-process river sludge.
In the preparation technology for pre-processing river sludge, the weight ratio of colliery powder and river sludge is 100：280.
Embodiment 2
A kind of preparation method using sludge as the heat-preserving sintered brick of raw material, comprise the following steps：Add into pretreatment river sludge
Enter salpeter solution, the mixing of chemical fibre leftover bits and pieces, heating stirring, filtering, add waterglass, sodium tripolyphosphate, water and be well mixed, into
Type, sintering obtain inexpensive heat-preserving sintered brick.
It is respectively 70%, 15% and surplus to pre-process river sludge, salpeter solution, the total amount percentage of chemical fibre leftover bits and pieces.
It is 100 to pre-process river sludge, waterglass, the weight ratio of sodium tripolyphosphate：3：6.
River sludge is pre-processed to prepare using following technique：Colliery powder is mixed with river sludge, into bioleaching
Pond handles 24h；Carry out press filtration and realize separation of solid and liquid；Solid after dehydration is to pre-process river sludge.
In the preparation technology for pre-processing river sludge, the weight ratio of colliery powder and river sludge is 100：350.
Embodiment 3
A kind of preparation method using sludge as the heat-preserving sintered brick of raw material, comprise the following steps：Add into pretreatment river sludge
Enter salpeter solution, the mixing of chemical fibre leftover bits and pieces, heating stirring, filtering, add waterglass, sodium tripolyphosphate, water and be well mixed, into
Type, sintering obtain inexpensive heat-preserving sintered brick.
It is respectively 85%, 10% and surplus to pre-process river sludge, salpeter solution, the total amount percentage of chemical fibre leftover bits and pieces.
It is 100 to pre-process river sludge, waterglass, the weight ratio of sodium tripolyphosphate：6：4.
River sludge is pre-processed to prepare using following technique：Colliery powder is mixed with river sludge, into bioleaching
Pond handles 48h；Carry out press filtration and realize separation of solid and liquid；Solid after dehydration is to pre-process river sludge.
In the preparation technology for pre-processing river sludge, the weight ratio of colliery powder and river sludge is 100：150.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (5)
1. a kind of preparation method using sludge as the heat-preserving sintered brick of raw material, it is characterised in that comprise the following steps：To pretreatment
Salpeter solution, the mixing of chemical fibre leftover bits and pieces are added in river sludge, heating stirring, filtering, adds waterglass, sodium tripolyphosphate, water
Well mixed, shaping, sintering obtains inexpensive heat-preserving sintered brick.
2. the preparation method using sludge as the heat-preserving sintered brick of raw material as claimed in claim 1, it is characterised in that pretreatment river
Road sludge, salpeter solution, the total amount percentage of chemical fibre leftover bits and pieces are respectively 70-85%, 10-15% and surplus.
3. the preparation method using sludge as the heat-preserving sintered brick of raw material as claimed in claim 1, it is characterised in that pretreatment river
Road sludge, waterglass, the weight ratio of sodium tripolyphosphate are 100：（3-6）：（4-6）.
4. the preparation method using sludge as the heat-preserving sintered brick of raw material as claimed in claim 1, it is characterised in that pretreatment river
Road sludge is prepared using following technique：Colliery powder is mixed with river sludge, 24 ~ 48h is handled into bioleaching pond；Enter
Separation of solid and liquid is realized in row press filtration；Solid after dehydration is to pre-process river sludge.
5. the preparation method using sludge as the heat-preserving sintered brick of raw material as claimed in claim 4, it is characterised in that pretreatment river
In the preparation technology of road sludge, the weight ratio of colliery powder and river sludge is 100：（150-350）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711089270.4A CN107602076A (en) | 2017-11-08 | 2017-11-08 | A kind of preparation method using sludge as the heat-preserving sintered brick of raw material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711089270.4A CN107602076A (en) | 2017-11-08 | 2017-11-08 | A kind of preparation method using sludge as the heat-preserving sintered brick of raw material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107602076A true CN107602076A (en) | 2018-01-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711089270.4A Pending CN107602076A (en) | 2017-11-08 | 2017-11-08 | A kind of preparation method using sludge as the heat-preserving sintered brick of raw material |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102826818A (en) * | 2012-09-04 | 2012-12-19 | 华东师范大学 | Preparation method for bottom mud brick |
| CN105523769A (en) * | 2016-01-14 | 2016-04-27 | 辽宁科技大学 | Low-heat-conductivity magnesia-hercynite brick used for cement rotary kiln and production method thereof |
-
2017
- 2017-11-08 CN CN201711089270.4A patent/CN107602076A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102826818A (en) * | 2012-09-04 | 2012-12-19 | 华东师范大学 | Preparation method for bottom mud brick |
| CN105523769A (en) * | 2016-01-14 | 2016-04-27 | 辽宁科技大学 | Low-heat-conductivity magnesia-hercynite brick used for cement rotary kiln and production method thereof |
Non-Patent Citations (2)
| Title |
|---|
| （马来）吴江·采尼等: "《发展中国城市污水管理-原理与工程技术》", 30 September 2008, 中国环境科学出版社 * |
| 周立祥等: "《固体废物处理处置与资源化》", 31 July 2007, 中国农业出版社 * |
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Application publication date: 20180119 |