CN107009513A - The method that multifunctional concrete composite heat insulation block is produced using tailings - Google Patents
The method that multifunctional concrete composite heat insulation block is produced using tailings Download PDFInfo
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- CN107009513A CN107009513A CN201710321469.9A CN201710321469A CN107009513A CN 107009513 A CN107009513 A CN 107009513A CN 201710321469 A CN201710321469 A CN 201710321469A CN 107009513 A CN107009513 A CN 107009513A
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- tailings
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/003—Methods for mixing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Building Environments (AREA)
Abstract
The invention discloses the method that multifunctional concrete composite heat insulation block is produced using tailings, according to mass fraction ratio, 20 40 parts of beneficiation tailings, 15 30 parts of nano-gel materials, 20 40 parts of aggregates, 13 parts of additives are chosen；By beneficiation tailing after dewaterer dehydration or natural air drying, moisture content is less than 10%, it is standby, then by proportioning machine by beneficiation tailing, aggregate, additive, nanometer binder materials pour into stirrer for mixing it is uniform after, then pour into block machine, utilize mould molding, nursing frame is delivered to by block conveyor again, natural curing 13 days is carried out, maintenance is formed to semi-finished product, heat-insulation material is refilled or be molded, final products are formed.With lightweight, high-strength, impervious, insulation, the fire prevention even function such as sound-absorbing.
Description
Technical field
The invention belongs to insulating wall material technical field, it is related to a kind of be combined using tailings production multifunctional concrete and protects
The method of warm building block.
Background technology
Mining firm discharges under certain condition of technology and economy during beneficiation tailing " discarded object ", is supplied in Global Mineral
Under situation that should be nervous, country's discovery of some industry prosperities, mine tailing contains the secondary business opportunity utilized.When economy, technology bar
When part allows, effective exploitation can be carried out again.How to develop these beneficiation tailing resources, be allowed to turn waste into wealth, become evil into
Profit, for economize on resources, improve environment, increase the benefit, the transformation of the mode that boosts economic growth, realize resource distribute rationally and
Sustainable economic development, tool is of great significance.
Multifunctional concrete composite heat insulation block is prepared using nanometer technology using non-ferrous metal ore tailings, heap is both saved
Soil used in beneficiation tailing is put, ecological environment is protected, the energy has been saved again, it is multi-functional more to provide high-performance for building energy conservation
Wall thermal insulating materials for wall, promotes the reform of novel wall material supply side.
The construction wall insulation of current China mainly has two ways：Inside holding, external thermal insulation.Wherein there is heat in heat preservation system inside
Stability is poor, and thermal stress is larger, easily produces heat bridge, the problems such as reducing building usable floor area.External thermal insulation is conducive to eliminating or subtracted
Weak heat bridge, but there are problems that construction it is complicated,.So needing to greatly develop self-insulation wall material, make to go along with sb. to guard him knot
The thermal conductivity reduction of structure, reaches energy-conservation purpose.
Self-insulating wall material is on the basis of normal concrete small hollow block, to optimize its pass structure mostly, filling
Insulation material is made, this building block for being compounded with insulation material avoid outer heat preservation system construction it is whard to control, can not be with building
The problems such as thing is with the life-span, with good energy saving.With three big outstanding features：One is that insulation material is placed among wall, is had
Effect avoids the hollowing of external wall outer insulation engineering presence, the quality problems such as ftractureed, come off, and engineering fire-fighting is eliminated to greatest extent
Hidden danger；Two be, with good thermal and insulating performance, to be fully able to meet national existing energy saving igniter, by taking into one
The technical measures of step may also reach up higher power conservation requirement；Three be that can effectively shorten the construction period, reduces artificial and material
Consumption, so that building cost cost is reduced, with preferable social synthesis's benefit.But existing insulation material EPS sheet is inflammable, makes
Building on fire into many at present, again limiting its application in skyscraper.Traditional masonry mortar is with cement, stone
Ash, natural sand are main raw material(s), with the fast development of Building Trade in China, consume substantial amounts of mortar, cause its main former material
Material-natural sand is fewer and fewer, and shortage of resources problem gradually appears, and largely exploitation river sand has had a strong impact on the safety in river course
Property, cost is big in prepared by material, complex process.
The content of the invention
To achieve the above object, the present invention provides the side that a kind of utilization tailings produces multifunctional concrete composite heat insulation block
Method, reaches that energy-conservation saves land, the useless environmental protection of profit, reduction construction cost, reduces working procedure, and ensure building heat preservation and wall same longevity
Life, and with lightweight, high-strength, impervious, insulation, the fire prevention even function such as sound-absorbing.
The technical solution adopted in the present invention is that a kind of utilization tailings produces the side of multifunctional concrete composite heat insulation block
Method, is specifically followed the steps below：
Step 1, according to mass fraction ratio, 20-40 parts of beneficiation tailings, 15-30 parts of nano-gel materials, 20-40 parts are chosen
Aggregate, 1-3 parts of additives；
Step 2, by beneficiation tailing after dewaterer dehydration or natural air drying, moisture content is less than 10%, standby, Ran Houtong
Cross proportioning machine by beneficiation tailing, aggregate, additive, nanometer binder materials pour into stirrer for mixing it is uniform after, then pour into building block
In forming machine, nursing frame is delivered to using mould molding, then by block conveyor, natural curing 1-3 days is carried out, maintenance is formed to half
Finished product, refills or is molded heat-insulation material, forms final products.
Further, the aggregate is stone flour, the mixture of chicken girt.
Further, the additive is iron oxide red pigment.
Further, the final product structure is rectangle, and five rounds, hollow rate is 58%.
The beneficial effects of the invention are as follows produce multifunctional concrete composite heat insulation block technology path using tailings：Using having
Non-ferrous metal beneficiation tailing, additive, nanoscale binder materials are mixed in proportion, are molded and are conserved, eventually form and reach state
Family product standard requirement concrete light building block, refill or be molded heat-insulation material, produce with lightweight, it is high-strength,
The concrete heat-insulating block of the high function such as impervious, high-efficiency insulated.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation of multifunctional concrete composite heat insulation block made from the embodiment of the present invention.
In figure, 1. heat-insulation materials.
Embodiment
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely retouched
State, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based on the present invention
In embodiment, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
A kind of method that utilization tailings produces multifunctional concrete composite heat insulation block, is specifically followed the steps below：
Device therefor：Proportioning machine, mixer, belt conveyor, block machine, block conveyor, nursing frame.
It is raw materials used：According to mass fraction ratio, 20-40 parts of beneficiation tailings, 15-30 parts of nano-gel materials, 20-40 are chosen
Other coarse aggregates (such as stone flour, chicken girt) of part, 1-3 parts of additives (iron oxide red pigment etc.).
By adding tailings, the recycling of solid waste is realized.In this proportion, product quality can be realized
With the optimum balance of cost.Beyond the proportion, it is possible to which quality does not reach relevant criterion or production cost is too high.
Beneficiation tailing is after dewaterer dehydration or natural air drying, and moisture content is less than 10%, you can for producing.Raw material is passed through
Tailings, aggregate (stone flour, chicken girt etc.), additive (iron oxide red pigment etc.), nanometer binder materials are poured into stirring by proportioning machine in proportion
After being well mixed in machine, pour into block machine, deliver to nursing frame using mould molding, then by block conveyor, carry out certainly
So conserve 1-3 days, maintenance is formed to semi-finished product, filling or being molded heat-insulation material 1, (heat-insulating material is to meet GB/T4132
Definition, burning behavior class is not less than B2 as defined in GB8624 grades of insulation material), form product.The structure of final products
For rectangle, five rounds, hollow rate is 58%, and structure is as shown in Figure 1.
Additive is mainly pigment, by mixing pigment, produces the product of a variety of colors.
Nano-gel material adds 15-30 parts, and nanometer binder materials instead of cement completely, by adding a certain amount of receive
Rice glue gel material, makes tailings and other coarse aggregates efficiently bond, and forms the concrete of high intensity, the ratio is by tailings and bone
The property of material is adjusted, the balance of cost of implementation and product quality.
It is strict implement standard GB/T29060-2012 in terms of product structure《Composite insulating brick and insulation blocks》In will
Ask.Meet novel wall material developing direction, with lightweight, high-strength, heat-insulation and heat-preservation, impervious, waterproof, sound insulation and building same longevity
Life and save, save land, the useless environmental protection of profit, the advantages of reduce construction cost and convenient construction.
Product, which is made, using the inventive method has advantages below：
Using nano-gel material, make concrete strength up to 78Mpa, product strength is up to 20Mpa, general block strength
Hardly possible reaches 7.5Mpa, and otherwise unit weight is too high；
Because the product Principal Blocks are high-strength nano-concrete material, compact structure and many row hole structures, it is impervious
It is that other materials for walls are incomparable, and because of its high-strength compact, has the air shrinkage value of approximate common brick, asked in the absence of season cracking
Topic, therefore be not required to separately do waterproof anticracking processing.Impervious (maximum water surface falling head is 5mm, more than 1.8MPA, more than S12 grades).
Material is made up of inorganic non-metallic material, belongs to incombustible (1000 degree non-ignitable), fire rating and other concrete
Material is at the same level, A grades of fire prevention, it is not necessary to fire rating is provided as organic insulation material.
Because of its fine and close and multiple rows of sound-insulating structure, sound insulation value is better than other insulating wall materials.
Density is 715kg/m3；Drying shrinkage value is 0.022%；Water absorption rate is 6.2%；Radioactivity reaches building body material
Material is required.
Energy-conservation：(1) raw materials used predominantly beneficiation tailing, without broken, powder-grinding process, no power consumption.(2) product uses nature
Maintenance, without HTHP maintenance, no coal consumption.(3) product its have extremely low heat transfer coefficient, make construction wall that there is good insulation
Function, reduces building energy consumption.
Save land：(1) production beneficiation tailing, saves beneficiation tailing and stores up shared soil.(2) product need not be used viscous
Soil, shale make raw material and do not waste the resources such as soil, have saved soil.
The useless environmental protection of profit：(1) in raw materials used, nano material is formed by melting waste slag is levigate, and beneficiation tailing is by Mineral Processing Enterprises
Produce, belong to waste utilization, the useless environmental protection of profit.(2) product utilizes waste residue at least more than 70%, and the useless effect of profit is obvious, environment
Remarkable benefit.(3) production process does not produce toxic gas.
Lightweight (unit weight is small)：Because concrete strength is high (up to more than 78MP) so that insulation blocks wall and rib thickness can
8mm is reduced to, the purpose for mitigating deadweight is reached, this product unit weight can be down to 725kg/m3, reach the aerating coagulation for exterior wall
Earth building blocks unit weight level, and general concrete building block unit weight can exceed 1000kg/m3.
Heat-insulation and heat-preservation (heat transfer coefficient ＜ 0.8)：Composite heat insulation block point filled-type and sandwiched, this product belong to filled-type and answered
Insulation blocks are closed, can be by pouring into a mould insulating foam concrete and adhesive powder-polystyrene granule thermal insulation mortar, or filled and process concrete guarantor
The heat-insulation material such as warm block, air-entrained concrete building block, foam glass insulating product and styrofoam, polyurethane, is greatly reduced
This product heat transfer coefficient, causes its heat transfer coefficient ＜ 0.8 even lower, reaches the purpose of heat-insulation and heat-preservation, meet existing energy conservation standard
It is required that.
Reduce construction cost：(1) about 132.8 yuan/m3 of production cost, 200 yuan/m3 of price, and at present on the market most
Cheap self-insulation wall material (air-entrained concrete building block) production cost in 155 yuan/more than m3,220 yuan/m3 of price with
On.(2) compared with common building block, without doing isothermal holding, 50 yuan/m2 or so waterproof thermal-insulated handling is saved.(3) with other certainly
Heat-preserving wall is compared, and the product wall without doing water-proofing treatment again.(4) compared with common wall adds and does external wall outer insulation, save
80~100 yuan/m2.
Easy construction：(1) the product materials for wall is high-strength inorganic material, good with ordinary mortar compatibility, can directly be used
Ordinary mortar is built by laying bricks or stones and painted, without dedicated mortar.(2) it is excellent by self-heat conserving performance, it is entirely capable of meeting energy-conservation 65% even
75% requirement, its wall need not carry out numerous and diverse isothermal holding construction.(3) architectural concrete can be produced with color concrete
Composite heat insulation block, exempts from exterior wall finishing.(4) double-walled construction, structure is difficult to be damaged when water power is fitted up, and does not influence heat-insulating property.
Embodiment 1
According to mass fraction ratio, 20 parts of beneficiation tailings, 30 parts of nano-gel materials, 20 parts of aggregates, 3 parts of additives are chosen；
By beneficiation tailing by dewaterer be dehydrated or natural air drying after, moisture content is less than 10%, standby, then by proportioning machine by ore dressing
Tailings, aggregate, additive, nanometer binder materials pour into stirrer for mixing it is uniform after, then pour into block machine, utilize mould
Tool shaping, then nursing frame is delivered to by block conveyor, natural curing 1 day is carried out, maintenance forms to semi-finished product, refills or be molded
Heat-insulation material, forms final products.
Embodiment 2
According to mass fraction ratio, 40 parts of beneficiation tailings, 15 parts of nano-gel materials, 40 parts of aggregates, 1 part of additive are chosen；
By beneficiation tailing by dewaterer be dehydrated or natural air drying after, moisture content is less than 10%, standby, then by proportioning machine by ore dressing
Tailings, aggregate, additive, nanometer binder materials pour into stirrer for mixing it is uniform after, then pour into block machine, utilize mould
Tool shaping, then nursing frame is delivered to by block conveyor, natural curing 3 days is carried out, maintenance forms to semi-finished product, refills or be molded
Heat-insulation material, forms final products.
Embodiment 3
According to mass fraction ratio, 30 parts of beneficiation tailings, 20 parts of nano-gel materials, 30 parts of aggregates, 2 parts of additives are chosen；
By beneficiation tailing by dewaterer be dehydrated or natural air drying after, moisture content is less than 10%, standby, then by proportioning machine by ore dressing
Tailings, aggregate, additive, nanometer binder materials pour into stirrer for mixing it is uniform after, then pour into block machine, utilize mould
Tool shaping, then nursing frame is delivered to by block conveyor, natural curing 2 days is carried out, maintenance forms to semi-finished product, refills or be molded
Heat-insulation material, forms final products.
The material that the embodiment of the present invention 3 is prepared has high-strength (intensity ＞ 7.5Mpa), lightweight, and (capacity is less than 725kg/
m3), high heat insulating ability (heat transfer coefficient ＜ 0.8W/k.m2), anti-permeability performance it is strong (water surface falling head is less than 8mm), and with durability
By force, with building with the life-span and easily constructing the advantages of.Often produce 100,000 m3The building block, using non-ferrous metal ore tailings 4.9 ten thousand
Ton, save and stack about 2.5 mu of soil, can about 70 mu of Economization on land, saving 6.64 ten thousand tons of coal of mark, reduction compared with sintered clay brick
CO216.3 ten thousand tons are discharged, SO is reduced21480.8 tons of discharge, reduces 664.62 tons of oxynitride discharge, saves architectural exterior insulation
About 80 yuan/m of cost2Wall, while the product replaces existing building outer wall self heat-preserving materials for wall completely, it is to avoid existing insulation
Wall is easy to fall off, easily a drum, easily infiltration, short service life and construction period length and difficulty of construction are big and exterior wall can not paste porcelain
The shortcomings of brick.With considerable economic environment and social benefit, with wide popularizing application prospect.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the scope of the present invention.It is all
Any modification, equivalent substitution and improvements made within the spirit and principles in the present invention etc., are all contained in protection scope of the present invention
It is interior.
Claims (4)
1. a kind of method that utilization tailings produces multifunctional concrete composite heat insulation block, it is characterised in that specifically according to following
Step is carried out：
Step 1, according to mass fraction ratio, 20-40 parts of beneficiation tailings of selection, 15-30 parts of nano-gel materials, 20-40 parts of aggregates,
1-3 parts of additives；
Step 2, by beneficiation tailing by dewaterer be dehydrated or natural air drying after, moisture content be less than 10%, it is standby, then by with
Material machine by beneficiation tailing, aggregate, additive, nanometer binder materials pour into stirrer for mixing it is uniform after, then pour into block forming
In machine, nursing frame is delivered to using mould molding, then by block conveyor, natural curing 1-3 days is carried out, maintenance formed to partly into
Product, refill or are molded heat-insulation material, form final products.
2. the method that utilization tailings according to claim 1 produces multifunctional concrete composite heat insulation block, its feature exists
In the aggregate is stone flour, the mixture of chicken girt.
3. the method that utilization tailings according to claim 1 produces multifunctional concrete composite heat insulation block, its feature exists
In the additive is iron oxide red pigment.
4. the method that utilization tailings according to claim 1 produces multifunctional concrete composite heat insulation block, its feature exists
In the final product structure is rectangle, and five rounds, hollow rate is 58%.
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| CN201710321469.9A CN107009513A (en) | 2017-05-09 | 2017-05-09 | The method that multifunctional concrete composite heat insulation block is produced using tailings |
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| CN201710321469.9A CN107009513A (en) | 2017-05-09 | 2017-05-09 | The method that multifunctional concrete composite heat insulation block is produced using tailings |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1923741A (en) * | 2006-09-21 | 2007-03-07 | 上海大学 | Nanometer composite gel material and preparation method thereof |
| CN103113070A (en) * | 2013-03-04 | 2013-05-22 | 任小伟 | Triple-insulating cold-hot bridge full-blocking type self-insulating building block and preparation method thereof |
| CN103382124A (en) * | 2013-07-31 | 2013-11-06 | 浙江泰正钼业开发有限公司 | Molybdenum tailing aerated concrete block and manufacturing method thereof |
| CN103641416A (en) * | 2013-12-19 | 2014-03-19 | 肖新颖 | Heat insulation building material |
| CN104710141A (en) * | 2015-03-13 | 2015-06-17 | 三明学院 | Energy-saving environment-friendly type multi-row-hole self-insulating full-recycled concrete block |
| CN105924113A (en) * | 2016-04-18 | 2016-09-07 | 盐城工学院 | Self-heat insulation aerated concrete building block and mortar for construction of building blocks |
-
2017
- 2017-05-09 CN CN201710321469.9A patent/CN107009513A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1923741A (en) * | 2006-09-21 | 2007-03-07 | 上海大学 | Nanometer composite gel material and preparation method thereof |
| CN103113070A (en) * | 2013-03-04 | 2013-05-22 | 任小伟 | Triple-insulating cold-hot bridge full-blocking type self-insulating building block and preparation method thereof |
| CN103382124A (en) * | 2013-07-31 | 2013-11-06 | 浙江泰正钼业开发有限公司 | Molybdenum tailing aerated concrete block and manufacturing method thereof |
| CN103641416A (en) * | 2013-12-19 | 2014-03-19 | 肖新颖 | Heat insulation building material |
| CN104710141A (en) * | 2015-03-13 | 2015-06-17 | 三明学院 | Energy-saving environment-friendly type multi-row-hole self-insulating full-recycled concrete block |
| CN105924113A (en) * | 2016-04-18 | 2016-09-07 | 盐城工学院 | Self-heat insulation aerated concrete building block and mortar for construction of building blocks |
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