CN102351567B - Process for manufacturing fireproof heat insulation wall body plates from laterite nickel ore waste slag - Google Patents
Process for manufacturing fireproof heat insulation wall body plates from laterite nickel ore waste slag Download PDFInfo
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- CN102351567B CN102351567B CN2011101811058A CN201110181105A CN102351567B CN 102351567 B CN102351567 B CN 102351567B CN 2011101811058 A CN2011101811058 A CN 2011101811058A CN 201110181105 A CN201110181105 A CN 201110181105A CN 102351567 B CN102351567 B CN 102351567B
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- nickel ore
- wall body
- laterite
- fireproof heat
- ore waste
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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 relates to a process for manufacturing fireproof heat insulation wall body plates from laterite nickel ore waste slag, which comprises the following process steps that: (1) raw materials are sequentially washed by water, dewatered, backed, crushed, kneaded, stirred and granulated, so a special material for wall body plate laterite is formed; (2) the special material for laterite prepared in the first step, environment-protection flame-retardant polymers and compatilizer are mixed and are uniformly kneaded, the wall body plates are obtained through fused reaction at 150 to 200 DEG C and foaming extrusion, and carbon dioxide gas is simultaneously injected in the extruding process to be used as a foaming agent. The manufacturing process has the advantages that laterite nickel ore tailing with the flame-retardant characteristics is used as a major base material, an advanced continuous reaction extrusion foaming process is adopted, and the prepared wall body plates have various advantages of high flame-retardant level, light weight, low closed hole water absorption rate and the like.
Description
Technical field
The present invention relates to a kind of manufacturing process that adopts the fireproof heat-preserving wall plate of red soil nickel ore waste residue, belong to the energy-saving building material technical field.
Background technology
Along with the rent a house increasing of construction dynamics of the high speed development of Chinese Urbanization and the public affairs of living in peace, China will build 1,000,000,000 square metres of dwelling houses every year, builds per capita 0.8 square metre, and every year will be built 800,000 square metres of dwelling houses in the city of 1,000,000 populations.2.5 times of calculating of floor area of building by wall area, the annual materials for wall that needs 200 square metres.
And just issued " Office of the State Council sends out file [2005] No. 33 " as far back as the General Office of the State Council in 2005, require various places further to advance the energy-conservation and popularization energy saving building of materials for wall, therefore, the general requirement of materials for wall development be by clayey to non-clay matter, solidly develop to lightweight to hollow, heavy.
Through effort in a few years, domestic development a collection of novel wall material manufacturing enterprise.Wherein a class corporate boss will produce organic foaming plate, though this series products can meet the requirement of national heat insulation heat preservation energy-saving, but it burns when presence of fire easily, can not reach the requirement of NFA safety; Another kind of corporate boss will produce the materials for wall of producing with inorganic fillings rock wool, glass, flyash, coal gangue etc., though this series products can reach the safe A grade standard of NFA, but can not reach the requirement of environment-friendly and energy-saving emission-reduction.
And the red soil nickel ore waste residue is to refine the later waste of nickel, and the amount of its generation is larger.Existing red soil nickel ore waste residue can not well be utilized, and causes the waste of resource.On the other hand, the red soil nickel ore waste residue is usually piled up and the mine tailing dam break is occured easily, and destroyed ecotope.
Therefore, for solving the problems of the technologies described above, necessaryly provide a kind of manufacturing process that adopts the fireproof heat-preserving wall plate of red soil nickel ore waste residue, to overcome described defective of the prior art.
Summary of the invention
For addressing the above problem, the object of the present invention is to provide a kind of manufacturing process that adopts the fireproof heat-preserving wall plate of red soil nickel ore waste residue, this manufacturing process is fully effectively being utilized under the prerequisite of laterite resource of tailings, with organic polyolefine preparation body of wall compound with it PP Pipe Compound, with melting mixing such as environmental protection flame retardant polymkeric substance, compatible frothing aids, foaming is extruded into Novel fire-resistance heat-insulation heat insulation wall plate again.
For achieving the above object, the technical scheme that the present invention takes is: a kind of manufacturing process that adopts the fireproof heat-preserving wall plate of red soil nickel ore waste residue, it comprises following processing step: (1), raw material is washed à dewatered drying à successively pulverize à kneading à stirring à granulation, thereby form ash wall body plate laterite PP Pipe Compound; (2), will be even by laterite PP Pipe Compound and environmental protection flame retardant polymkeric substance, compatilizer mixing and kneading that step (1) makes, be extruded into ash wall body plate in 150-200 ℃ of lower frit reaction, foaming, in extrusion simultaneously injecting carbon dioxide gas as whipping agent.
The manufacturing process of the fireproof heat-preserving wall plate of employing red soil nickel ore waste residue of the present invention further is set to: described raw material is specially the red soil nickel ore waste residue, and by weight very than calculating, it comprises the calcium sulfate of 45-65%, the magnesium oxide of 20-25%, and surplus is impurity.
The manufacturing process of the fireproof heat-preserving wall plate of employing red soil nickel ore waste residue of the present invention further is set to: the temperature of described step (1) oven dry is controlled at 150 ~ 250 ℃.
The manufacturing process of the fireproof heat-preserving wall plate of employing red soil nickel ore waste residue of the present invention further is set to: the fineness after described step (1) raw material pulverizing is 325 ~ 800 orders.
The manufacturing process of the fireproof heat-preserving wall plate of employing red soil nickel ore waste residue of the present invention further is set to: add one or more among PP, PE, the PVC in described step (1) kneading process, temperature 150-200 ℃ of lower melt kneading.
The manufacturing process of the fireproof heat-preserving wall plate of employing red soil nickel ore waste residue of the present invention further is set to: described environmental protection flame retardant polymkeric substance is specially magnesium hydroxide, aluminium hydroxide, and PE, the mixture of PP, its concrete proportion is 0.5:1:1:0.2.
The manufacturing process of the fireproof heat-preserving wall plate of employing red soil nickel ore waste residue of the present invention also can be set to: described compatilizer is specially Zinic stearas.
Compared with prior art, the present invention has following beneficial effect:
1. to have whole step simple for the manufacturing process of fireproof heat-preserving wall plate of the present invention, and production cost is low;
2. adopting the red soil nickel ore waste residue is raw material, has not only reduced the use of clay, has protected the arable land, and save energy can also be utilized mine tailing, has improved resource utilization and has preserved the ecological environment;
3. the calcium sulfate that comprises in the ash wall body plate of the present invention can not burn, and the self-solidifying performance is good; The magnesium oxide that comprises is also for a kind of good inorganic combustion inhibitor raw material, and certain fineness is arranged, and calcium sulfate is treated to comprise that mediating melting mixing etc. can be dispersed in the polymkeric substance such as polyolefine effectively.
[description of drawings]
Fig. 1 is the manufacturing process flow diagram of fireproof heat-preserving wall plate of the present invention.
[embodiment]
Manufacturing process below in conjunction with 1 pair of fireproof heat-preserving wall plate of the present invention of accompanying drawing is described further.
Embodiment 1: get raw material: red soil nickel ore waste residue 1kg puts it in the stirred vessel and adds water and stir, and wash successively à dewatered drying à and pulverize à kneading à stirring à granulation, thereby forms ash wall body plate laterite PP Pipe Compound.Wherein, described red soil nickel ore waste residue is by weight very than calculating, and it comprises the calcium sulfate of 45-65%, the magnesium oxide of 20-25%, and surplus is impurity.The temperature of described oven dry is controlled at 150 ~ 250 ℃.Fineness after the described raw material pulverizing is 325 ~ 800 orders.In kneading process, need to add PP, the PE of 0.3kg, one or more among the PVC, temperature 150-200 ℃ of lower melt kneading, and under forcing machine extruding pelletization.
Further, above-mentioned laterite PP Pipe Compound and environmental protection flame retardant polymkeric substance, compatilizer mixed and mediate evenly, be extruded into ash wall body plate in 150-200 ℃ of lower frit reaction, foaming, in extrusion simultaneously injecting carbon dioxide gas as whipping agent.Wherein, the weight of the environmental protection flame retardant polymkeric substance of adding is 0.7kg, and it is specially magnesium hydroxide, aluminium hydroxide, and PE, the mixture of PP, its concrete proportion is 0.5:1:1:0.2.Compatilizer for adding is 20-40g, and it is specially Zinic stearas.The carbon dioxide that needs in the foaming process to pass into is 20-40g.
Embodiment 2-5: its method is with embodiment 1, proportioning and the results are shown in following table 1 and table 2, and this repeats no more again.
Table 1: the basic proportioning of laterite mine tailing fireproof heat-preserving wall plate
| ? | Laterite (g) | PE(g) | Flame-retardant polymer (g) | Compatilizer (g) | Compatilizer (g) | AC whipping agent (g) |
| Example 1 | 1000 | 300 | 700 | 20 | 20 | 30 |
| Example 2 | 1000 | 300 | 1000 | 30 | 30 | 35 |
| Example 3 | 1000 | 200 | 500 | 20 | 20 | 30 |
| Example 4 | 1000 | 500 | 700 | 30 | 30 | 30 |
| Example 5 | 1000 | 200 | 500 | 30 | 30 | 50 |
Table 2: laterite mine tailing fireproof heat-preserving wall plate analysis result
| ? | Fire-retardant (burning) grade | Thermal conductivity w/mk | Apparent density Kg/m 3 | Water-intake rate % |
| Example 1 | B1 | 0.08 | 100 | 1.0 |
| Example 2 | A | 0.05 | 80 | 1.0 |
| Example 3 | A | 0.12 | 120 | 1.2 |
| Example 4 | B1 | 0.06 | 100 | 1.0 |
| Example 5 | A | 0.10 | 110 | 1.0 |
Above embodiment only is the preferred embodiment of this creation, not in order to limiting this creation, all in this creation spirit and principle within make any modification, be equal to replacement, improvement etc., all should be included within the protection domain of this creation.
Claims (3)
1. manufacturing process that adopts the fireproof heat-preserving wall plate of red soil nickel ore waste residue is characterized in that: comprise following processing step:
(1), raw material is washed successively-dewatered drying-pulverizing-kneading-stirring-granulation, thereby formed ash wall body plate laterite PP Pipe Compound; Described raw material is specially the red soil nickel ore waste residue, and by weight very than calculating, it comprises the calcium sulfate of 45-65%, the magnesium oxide of 20-25%, and surplus is impurity;
(2), the laterite PP Pipe Compound that will make by step (1) and flame-retardant polymer, compatilizer mix and mediate evenly, are extruded into ash wall body plate in 150-200 ℃ of lower frit reaction, foaming, in extrusion simultaneously injecting carbon dioxide gas as whipping agent; Described flame-retardant polymer is specially magnesium hydroxide, aluminium hydroxide, and PE, the mixture of PP, its concrete proportion is 0.5:1:1:0.2; Described compatilizer is specially Zinic stearas; Add one or more among PP, PE, the PVC in the kneading process, temperature 150-200 ℃ of lower melt kneading.
2. the manufacturing process of the fireproof heat-preserving wall plate of employing red soil nickel ore waste residue as claimed in claim 1 is characterized in that: the temperature of described step (1) oven dry is controlled at 150 ~ 250 ℃.
3. the manufacturing process of the fireproof heat-preserving wall plate of red soil nickel ore waste residue as claimed in claim 1, it is characterized in that: the fineness after described step (1) raw material pulverizing is 325 ~ 800 orders.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101811058A CN102351567B (en) | 2011-06-30 | 2011-06-30 | Process for manufacturing fireproof heat insulation wall body plates from laterite nickel ore waste slag |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101811058A CN102351567B (en) | 2011-06-30 | 2011-06-30 | Process for manufacturing fireproof heat insulation wall body plates from laterite nickel ore waste slag |
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| Publication Number | Publication Date |
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| CN102351567A CN102351567A (en) | 2012-02-15 |
| CN102351567B true CN102351567B (en) | 2013-01-16 |
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| CN2011101811058A Expired - Fee Related CN102351567B (en) | 2011-06-30 | 2011-06-30 | Process for manufacturing fireproof heat insulation wall body plates from laterite nickel ore waste slag |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103467050B (en) * | 2013-08-14 | 2015-02-11 | 苏州康华净化系统工程有限公司 | Clean workshop composite insulation sheet material |
| CN109337121A (en) * | 2018-10-15 | 2019-02-15 | 安徽工业大学 | A laterite nickel slag-red mud composite rubber filler with flame retardant and reinforcing properties |
| CN109293991A (en) * | 2018-10-15 | 2019-02-01 | 安徽工业大学 | A kind of laterite nickel slag-ferrochrome slag composite rubber filler with flame retardant and reinforcing properties |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1261383C (en) * | 2004-01-06 | 2006-06-28 | 刘井先 | Building material made of industrial waste slag |
| CN1270997C (en) * | 2004-01-15 | 2006-08-23 | 杨苏文 | Building material and method for making wallboard using the same |
| CN100431997C (en) * | 2006-03-10 | 2008-11-12 | 宋积辉 | Construction main body material brick, inner and outer wall panel and manufacturing method thereof |
| US20080171179A1 (en) * | 2007-01-11 | 2008-07-17 | Quiet Solution, Llc | Low embodied energy wallboards and methods of making same |
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