CN108069639A - Environmentally friendly curing agent and its manufacturing method - Google Patents
Environmentally friendly curing agent and its manufacturing method Download PDFInfo
- Publication number
- CN108069639A CN108069639A CN201610984469.2A CN201610984469A CN108069639A CN 108069639 A CN108069639 A CN 108069639A CN 201610984469 A CN201610984469 A CN 201610984469A CN 108069639 A CN108069639 A CN 108069639A
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- Prior art keywords
- curing agent
- powder
- environmental protection
- dust
- manufacturing
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Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00017—Aspects relating to the protection of the environment
Abstract
The invention discloses a kind of manufacturing methods of environmentally friendly curing agent, include a collection step, a crushing grinding step, a screening step and an addition mix step.The collection step is to collect discarded aluminium slag and dust-collector.The crushing grinding step is to carry out crushing grinding to above-mentioned aluminium slag and dust-collector, to obtain powder.The screening step is to be sieved with No. 4 sieves to the powder, to obtain semi-finished product.The addition mix step carries out abundant mix, to complete the making of the environmental protection curing agent to the cementing material of semi-finished product addition at least total amount 1/10.By above-mentioned steps, discarded object can be made full use of, the injury of environment is preferably minimized, and can obtain having both safety and the building regenerating mixture of environmental protection.
Description
Technical field
The present invention is related to a kind of curing agent, particularly relates to a kind of environmentally friendly curing agent and its manufacturing method.
Background technology
Cement is the basis of people's livelihood industry, and dosage is huge, but cement raw material has been petered out, and probably has the phenomenon that supply and demand is uneven
It generates, therefore can develop by the discarded object substitution raw ore identical with material composition and then produce environmentally friendly cement.Ring at present
Cement uses discarded object as primary raw material and adds the natural minerals such as lime stone to adjust its ingredient, therefore its chemistry and mineral are special
Property with general cement difference, but production procedure is similar to general cement factory.
It is pointed out according to the data that Environmental Protection Administration counts, the cause discarded object amount of declaring amounts to 17,730,806 tonnes within 2011.Its
Middle electric-arc furnace steelmaking stove quarrel (stone) accounts for 1,513,430 tonnes, accounts for the 8.53% of total amount, and reduce quarrel processing at present to topple over and
Based on burial, also there is the application as covering of roadway, only research recently points out that reduction quarrel can cause oxygen therein through exposing to the sun and rain
The phenomenon that changing magnesium component aquation, generating road surface expansion influences use state, therefore will reduce the resource that is cut it is necessary to seek another method
Change.
In addition, about 1.2 ten thousand tons of lime stone sludge annual output, is limited to the current disposal options of cause discarded object, at present only
It can be based on outer clear of entrusting.Lime stone sludge after drying, is no different in composition containing substantial amounts of calcium oxide with natural limestone.
And the solid waste quantity that Taiwan processing of stone factory generates every year is more than 1,100,000 tons or more.It gives up according to Environmental Protection Administration
100 years bulletins recycle the discarded object amount of declaring statistics to show at pipe, and stone material sludge yield is about 7.5 ten thousand public tons/year.Coal ash
Sludge mix is the product of Zhong Gang companies regenerated resources, is coal ash and sludge through appropriate proportioning mix, through processing
It is afterwards coal ash sludge mix, annual output is about 140,000 tons.Because it contains up to more than 60% iron content, therefore can be direct
It is reused in the source that substitution iron is cut as cement iron oxide.
Since waste sludge and electric-arc furnace steelmaking stove reduction quarrel (stone) its chemical composition are mainly common elements in the Nature
Silicon, calcium, the oxide of aluminium and iron, it is similar to cement raw material, the raw material used in cement processing procedure should be may replace, becomes recycling
Feasible direction.Therefore this research attempt using electric-arc furnace steelmaking stove reduction quarrel (stone) and waste sludge substitution conventional lime stone ore,
The natural materials such as clay and silica sand to establish the application technology with marketability, and effectively solve trade waste processing
The problems such as disposal, and inquire into the influence of Within Monominerals composition and hydration in environmentally friendly cement.
In view of above-mentioned reduction quarrel and the Treatment and recovery problem for mud quarrel class of giving up, due to waste sludge and electric-arc furnace steelmaking
The chemical composition of stove reduction quarrel is mainly the oxide of common elements silicon in the Nature, calcium, aluminium and iron, similar to cement raw material,
The raw material used in cement processing procedure should be may replace, becomes the feasible direction of recycling.
The content of the invention
In order to solve the above-mentioned technical problem, a purpose of the invention is providing a kind of manufacturing method of environmentally friendly curing agent,
Include a collection step, a crushing grinding step, a screening step and an addition mix step.
The collection step is to collect discarded aluminium slag and dust-collector.The crushing grinding step be to the aluminium slag and dust-collector into
Row crushing grinding, to obtain powder.The screening step is to be sieved with No. 4 sieves to the powder, to obtain semi-finished product.This adds
Add mix step, abundant mix is carried out to the cementing material of semi-finished product addition at least total amount 1/10, to complete environmental protection hardening
The making of agent.
Another technological means of the present invention, is the manufacturing method for being above-mentioned environmentally friendly curing agent, also comprising one between this
Magnetic separation step between crushing grinding step and the screening step, to the powder carry out magnetic separation with remove the metal in the powder into
Point.
The another technological means of the present invention, is the manufacturing method for being above-mentioned environmentally friendly curing agent, also comprising one between this
Stabilization processing step between screening step and the addition mix step carries out acid-base neutralization to the semi-finished product, its pH value is made to become
Closely or reach neutral, to stablize its property states.
Another technological means of the present invention is that one and the semi-finished product equivalent are also being added in the addition mix step
Glass dust dust-collector, the semi-finished product are that environmentally friendly curing agent is made with cementing material and the common mix of glass dust dust-collector.
Another technological means of the present invention, is the manufacturing method for being above-mentioned environmentally friendly curing agent, also comprising one one-tenth product examine
Step is tested, pH value measurement, XRD and XRF analysis, the observation of SEM crystalline phases, toxin dissolution test are carried out to the environmental protection curing agent
(TCLP), the inspection of one of them or its combination, to avoid environmental pollution.
The another technological means of the present invention, is that in the screening step, can also use a multilayer screen cloth to the mixing
Powder carries out thickness grain size screening, and the mesh size of the multilayer screen cloth is from top to bottom successively decreased, mesh size of lowest level sieve etc.
The mesh size of No. 4 sieves is same as, the powder by lowest level sieve is semi-finished product, and in the addition mix step, institute
The cementing material of addition is selected from one of cement, flying dust, water quenching oven mountain flour or its combination.
Another technological means of the present invention, not by the powder of lowest level sieve, will be repeated in the screening step
The crushing grinding step and the screening step are carried out, until mixed powder sieving completely becomes the semi-finished product.
The present invention another technological means, be in the stabilization processing step carry out acid-base neutralization substance be winged
Ash, hearthstone powder, the semi-finished product by the stabilization processing step are puddled into the environmental protection curing agent with cementing material again.
The another technological means of the present invention, is in the addition mix step, a base is more added into the semi-finished product
Material is puddled, the base material be selected from compost, soil, sand, cement, lime, flying dust, hearthstone powder, one of chelating agent or
It is combined.
Another object of the present invention is to harden with the environmental protection made by the manufacturing method of above-mentioned environmentally friendly curing agent
Agent, the constituent of the environmental protection curing agent include soil, flying dust, hearthstone powder and cement.
The beneficial functional of the present invention is, by discarded aluminium slag and dust-collector is collected, can prevent the like waste from arbitrarily abandoning
It puts, and after the crushing grinding step and the screening step, is puddled with the cementing material of at least total amount 1/10, i.e.,
The making of the environmental protection curing agent can be completed, can not only reduce the dosage of cement, reduces cost, it is sharp again also to can reach scrap concrete
Environmental requirement.
Description of the drawings
Fig. 1 is a flow diagram, illustrates the preferred embodiment of the manufacturing method of environmentally friendly curing agent of the invention.
【Symbol description】
901 collection steps；
902 crushing grinding steps；
903 magnetic separation steps；
904 screening steps；
905 stabilization processing steps；
906 addition mix steps；
907 product inspection steps.
Specific embodiment
The invention will be further described in the following with reference to the drawings and specific embodiments, so that those skilled in the art can be with
It is better understood from the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
Refering to Fig. 1, for the preferred embodiment of the manufacturing method of the environmentally friendly curing agent of the present invention, it includes a collection step 901,
One crushing grinding step 902, a magnetic separation step 903, a screening step 904, stabilization processing step 905, one add mix step
Rapid 906 and a product inspection step 907.
The collection step 901 is carried out first, is to collect discarded aluminium slag and dust-collector.Then, which is
Crushing grinding is carried out to foregoing aluminium slag and dust-collector, to obtain powder.Carry out the magnetic separation step 903 again, be to the powder into
Row magnetic separation is to remove the metal ingredient in the powder.
Then, which is to be sieved with one No. 4 sieves (aperture 4.75mm) to the powder, to obtain half
Finished product.It should be particularly noted that, in addition to it can directly be sieved using No. 4 sieves or use a multi-deck screen
Net carries out thickness grain size screening to the mixed powder, and the mesh size of the multilayer screen cloth is from top to bottom successively decreased, lowest level sieve
Mesh size is equal to the mesh size of No. 4 sieves, and the powder by lowest level sieve is foregoing semi-finished product.And in the sieve
It selects in step 904, not by the powder of lowest level sieve, would be repeated for the crushing grinding step 902 and the screening step
904, until mixed powder sieving completely becomes the semi-finished product.
Continue the stabilization processing step 905, be that acid-base neutralization is carried out to the semi-finished product with flying dust, hearthstone powder, make
Its pH value convergence reaches neutral, to stablize its property states.
The semi-finished product by the stabilization processing step 905 are further continued for carrying out the addition mix step 906.In the addition
In mix step 906, be added in the semi-finished product cementing material of few total amount 1/10, a base material and one with should half into
The glass dust dust-collector of product equivalent carries out abundant mix.Wherein, which is via collection by tiny glass chip
It is obtained after dirt operation.It is preferred that the additive amount of the cementing material is the 20% of total amount.And the cementing material is selected from cement, flies
Ash, water quenching oven mountain flour, and combinations thereof.And the base material is selected from compost, soil, sand, cement, lime, flying dust, hearthstone
Powder, chelating agent, and combinations thereof.
It is noted that the chelating agent is typically the compound that structure has five or six-membered ring structure, have very high steady
It is qualitative, it is preferred that sodium metasilicate can be used in the chelating agent.After above-mentioned steps, that is, complete the making of an environmentally friendly curing agent.
Finally, the product inspection step 907 is carried out, to being detected with the environmental protection curing agent, detection species includes pH
Value measurement, XRD and XRF analysis, the observation of SEM crystalline phases, toxin dissolution test (TCLP), wait a variety of detection projects, to ensure the ring
Protect the standard that curing agent was highly safe and met construction material.
Wherein, the heavy metal dissolution test which uses dissolves out program for toxicity characteristic（Toxicity
Characteristic Leaching Procedure, hereinafter referred to as TCLP）, and TCLP experimental methods are examined with reference to Environmental Protection Administration
The method for testing institute NIEA R201.12C, the judgement dissolution toxicity that then foundation EPA, Executive Yuan announces of dissolution toxicity size
The dissolution standard of cause discarded object.
Through as shown in the above description, present invention environmental protection curing agent and its manufacturing method have the following advantages really：
First, processing procedure is simple, reduces cost
Discarded aluminium slag and dust-collector are collected, and having in the semi-finished product formed for the discarded aluminium slag and dust-collector
Noxious material carries out stabilization operation, and the discarded aluminium slag and dust-collector is made not to generate murder by poisoning for biology, then to stabilization
The semi-finished product are puddled with base material and the cementing material, are fabricated to the environmental protection curing agent, and processing procedure is comparatively simple.Meanwhile also can
The dosage of cement in conventional method is reduced, reduces cost.
2nd, discarded object is reduced
In the past, this does not carry out the discarded aluminium slag of stabilization processing and dust-collector can not be used in construction material or other purposes,
The mode not outgoing call that the discarded aluminium slag and dust-collector are usually handled finds vacant lot and places or dig out available soil in the vacant lot
It uses, then this is discarded into aluminium slag and dust-collector backfill in wherein.The present invention is for the Toxic in the discarded aluminium slag and dust-collector
Matter and characteristic are handled, and the discarded aluminium slag and dust-collector is made to become available material, will not become discarded object and be abandoned, be had
Effect reaches the target of discarded object decrement.
3rd, safety and the requirement of environmental protection are had both
By the way that the discarded aluminium slag and dust-collector are carried out acid-base neutralization, to stablize its property states with promoting the regenerating mixture
Security and stability, so that it becomes simple available green building material, allow discarded aluminium slag and dust-collector is no longer arbitrarily thrown aside, is buried and it is dirty
Environment is contaminated, and will be not easy to damage human body using by the regenerating mixture of stabilization.
In conclusion present invention environmental protection curing agent and its manufacturing method, discarded aluminium slag and dust-collector are walked by the collection
Rapid 901, the crushing grinding step 902, the magnetic separation step 903, the screening step 904 and the stabilization processing step 905 should
Discarded aluminium slag and dust-collector stabilization, then by the addition mix step 906 by the discarded aluminium slag and dust-collector system of stabilization
Environmentally friendly curing agent is caused, discarded object can be made full use of, the injury of environment is preferably minimized, and it is possible to obtain having both safety
With the building regenerating mixture of environmental protection, therefore the purpose of the present invention can be reached really.
Embodiment described above is only to absolutely prove preferred embodiment that is of the invention and being lifted, protection model of the invention
It encloses without being limited thereto.The equivalent substitute or conversion that those skilled in the art are made on the basis of the present invention, in the present invention
Protection domain within.Protection scope of the present invention is subject to claims.
Claims (9)
1. a kind of manufacturing method of environmental protection curing agent, which is characterized in that comprise the steps of：
One collection step collects discarded aluminium slag and dust-collector；
One crushing grinding step carries out crushing grinding, to obtain powder to the aluminium slag and dust-collector；
One screening step at least sieves to the powder with one No. 4 sieves, to obtain semi-finished product；And
One addition mix step carries out abundant mix, to complete to be somebody's turn to do to the cementing material of semi-finished product addition at least total amount 1/10
The making of environmentally friendly curing agent.
2. the manufacturing method of environmental protection curing agent according to claim 1, which is characterized in that also crush and grind between this comprising one
The magnetic separation step between step and the screening step is ground, magnetic separation is carried out to the powder to remove the metal ingredient in the powder.
3. the manufacturing method of environmental protection curing agent according to claim 2, which is characterized in that also walked comprising one between the screening
Suddenly the stabilization processing step between the addition mix step carries out acid-base neutralization to the semi-finished product, its pH value is made to reach neutral,
To stablize its property states.
4. the manufacturing method of environmental protection curing agent according to claim 3, which is characterized in that also add in the addition mix step
Added with one and the glass dust dust-collector of the semi-finished product equivalent, which is and cementing material and the common mix of glass dust dust-collector
And environmentally friendly curing agent is made.
5. the manufacturing method of environmental protection curing agent according to claim 4, which is characterized in that also walked comprising a product inspection
Suddenly, pH value measurement, XRD and XRF analysis, the observation of SEM crystalline phases, toxin dissolution test are carried out to the environmental protection curing agent, one of them
Or the inspection of its combination, to avoid environmental pollution.
6. the manufacturing method of environmental protection curing agent according to claim 5, which is characterized in that in the screening step, may be used also
A multilayer screen cloth to be used to screen the mixed powder material Jin row thicknesses grain size that closes, the mesh size of the multilayer screen cloth is from top to bottom passed
Subtract, the mesh size of lowest level sieve is equal to the mesh size of No. 4 sieves, by the powder of lowest level sieve be half into
Product, and in the addition mix step, the cementing material added be selected from cement, flying dust or water quenching oven mountain flour wherein it
One or its combination.
7. the manufacturing method of environmentally friendly curing agent according to claim 6, which is characterized in that do not pass through lower floor in the screening step
The powder of sieve would be repeated for the crushing grinding step and the screening step, is somebody's turn to do until mixed powder sieving completely becomes
Semi-finished product.
8. it is according to claim 3 environmental protection curing agent manufacturing method, which is characterized in that in the stabilization processing step into
The substance of row acid-base neutralization is flying dust, hearthstone powder, and the semi-finished product by the stabilization processing step are mixed again with cementing material
Mix the environmental protection curing agent.
9. the manufacturing method of environmentally friendly curing agent according to claim 8, which is characterized in that in the addition mix step, in this
It is more added into a base material in semi-finished product to puddle, which is selected from compost, soil, sand, cement, lime, flying dust, hearthstone
One of powder or chelating agent or its combination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610984469.2A CN108069639A (en) | 2016-11-09 | 2016-11-09 | Environmentally friendly curing agent and its manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610984469.2A CN108069639A (en) | 2016-11-09 | 2016-11-09 | Environmentally friendly curing agent and its manufacturing method |
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| Publication Number | Publication Date |
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| CN108069639A true CN108069639A (en) | 2018-05-25 |
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| CN201610984469.2A Pending CN108069639A (en) | 2016-11-09 | 2016-11-09 | Environmentally friendly curing agent and its manufacturing method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1389421A (en) * | 2002-07-16 | 2003-01-08 | 武汉理工大学 | Denatured ardealite brick and its application as cement retardant |
| CN1810391A (en) * | 2005-01-24 | 2006-08-02 | 财团法人工业技术研究院 | Aluminium slag stabilizing and reusing treatment process |
| JP2008001552A (en) * | 2006-06-21 | 2008-01-10 | Hazama Corp | Slag and/or ash containing metal aluminum for cement hardened product and manufacturing method of cement hardened product |
| TW201121918A (en) * | 2009-12-31 | 2011-07-01 | China Hi Ment Corp | The proportion for making particles of scrapped materials from the steel factory |
| TWI441797B (en) * | 2012-06-25 | 2014-06-21 | Univ Cheng Shiu | A flue dust of an aluminum smelting aggregate manufacturing methods |
-
2016
- 2016-11-09 CN CN201610984469.2A patent/CN108069639A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1389421A (en) * | 2002-07-16 | 2003-01-08 | 武汉理工大学 | Denatured ardealite brick and its application as cement retardant |
| CN1810391A (en) * | 2005-01-24 | 2006-08-02 | 财团法人工业技术研究院 | Aluminium slag stabilizing and reusing treatment process |
| JP2008001552A (en) * | 2006-06-21 | 2008-01-10 | Hazama Corp | Slag and/or ash containing metal aluminum for cement hardened product and manufacturing method of cement hardened product |
| TW201121918A (en) * | 2009-12-31 | 2011-07-01 | China Hi Ment Corp | The proportion for making particles of scrapped materials from the steel factory |
| TWI441797B (en) * | 2012-06-25 | 2014-06-21 | Univ Cheng Shiu | A flue dust of an aluminum smelting aggregate manufacturing methods |
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Application publication date: 20180525 |
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