CN106517838A - Processing method of alkali-free sand - Google Patents
Processing method of alkali-free sand Download PDFInfo
- Publication number
- CN106517838A CN106517838A CN201610991557.5A CN201610991557A CN106517838A CN 106517838 A CN106517838 A CN 106517838A CN 201610991557 A CN201610991557 A CN 201610991557A CN 106517838 A CN106517838 A CN 106517838A
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- China
- Prior art keywords
- alkali
- rubble
- processing method
- boiler
- rubbles
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/02—Granular materials, e.g. microballoons
- C04B14/04—Silica-rich materials; Silicates
- C04B14/06—Quartz; Sand
- C04B14/068—Specific natural sands, e.g. sea -, beach -, dune - or desert sand
-
- 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
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/02—Treatment
-
- 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
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/02—Treatment
- C04B20/026—Comminuting, e.g. by grinding or breaking; Defibrillating fibres other than asbestos
-
- 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
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/02—Treatment
- C04B20/04—Heat treatment
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Civil Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a processing method of alkali-free sand. The method comprises steps as follows: (1) crushing: mined raw ore sand is crushed by an explosive crushing machine, and rubbles are obtained; (2) cleaning: the rubbles are conveyed to the next procedure by a steel mesh type belt, water flows down from the upper part of the steel mesh type belt and washes the rubbles in the conveying process, impurities in the rubbles are leaked through a steel mesh, and meanwhile, alkaline substances in the rubbles are cleaned for the first time; (3) distillation: the cleaned rubbles are conveyed into a boiler via the steel mesh type belt, water is poured into the boiler from the top surface of the boiler to wash the rubbles for the second time, the rubbles are heated and distilled through the boiler, so that the alkaline substances in the rubbles are volatilized, and dealkalization is realized; (4) drying: the dealkalized rubbles are cleaned, conveyed by the belt, dried in the conveying process and finally packaged, and the alkali-free sand is obtained. The method is simple and convenient to operate, the problems of white absorbing, yellowing, blacking and the like of building materials are solved, and the application range of the sand is wider.
Description
Technical field
The present invention relates to construction material processing technique field, specifically a kind of processing method of alkali-free sand.
Background technology
Natural sand is acted on and formed, rock particles of the particle diameter in below 5mm by natural conditions, produces source difference by which,
River sand, sea sand and mountain sand can be divided into.The sign of natural sand includes following index：In clay content sand, particle diameter is less than
The content of 0.080mm particles；In clod content sand, particle diameter is more than 1.25mm, Jing after washing, hand are pinched becomes less than 0.630mm
The content of particle；In light materials sand, relative density is less than 2000kg/m3Material；Alkali-reactive aggregate can with cement or
There is gathering materials for chemical reaction in the alkali in concrete.Generally, clay content, clod content and alkali-reactive aggregate these three indexs are got over
Low, the intensity of natural sand is higher, chemical stability is better, weatherability is stronger, and the range of application of the natural sand of the high-quality is wider,
Economic worth is bigger.
At present, building sand is essentially all, from mountain, the sandstone taken of river bed or seashore, to contain alkali, titanium dioxide in sand
The metallicses such as sulphur, on building, are easily caused white suction, yellowing, tell the bad characteristic such as black.
Although professional standard《Regular concrete sand quality standard and test method》Matter of the JGJ52-92 to building sand
Amount has carried out relevant regulations.However, also there is no a kind of easy, processing and treating method of easy-operating alkali-free sand, can be by sand
Reason is up to standard.
The content of the invention
It is an object of the invention to provide a kind of easy, processing method of easy-operating alkali-free sand.
For achieving the above object, the present invention provides following technical scheme：
The processing method of alkali-free sand, comprises the following steps：
(1) crush：By digging raw ore sand out, crushed with puffing machine, obtain rubble；
(2) clean：, by steel screen type Belt Conveying to next flow process, in transmit process, water is from steel screen type skin for rubble
Flow down above band, once flushing is carried out to rubble, the debris such as clod in rubble are leaked down by steel mesh, while in rubble
The metal such as alkali cleaned for the first time；
(3) distill：Rubble Jing steel screen type Belt Conveyings after cleaning in boiler, while water is poured into pot from above boiler
In stove, secondary flushing is carried out to sandstone, then distilled by boiler heating, made the alkaline matter volatilization in sandstone, realize dealkalize；
(4) dry：Rubble after dealkalize by Belt Conveying, is dried in course of conveying, finally packs to obtain nothing through cleaning
Alkali sand.
As further scheme of the invention：In described step (1), raw ore sand is derived from mountain, river bed or seashore.
As further scheme of the invention：In described step (1), power of motor P (kW)=11 × m of puffing machineNation
×(1/de-1/De) × 1.375 × Q, wherein, mNationFor Bond power dissipation index kW h/t, d is discharging-material size μm, and D is feed size
μm, e is constant, and Q is disposal ability t/h of puffing machine.
As further scheme of the invention：In described step (2), the transfer rate of steel screen type belt is 20～30m/
min。
As further scheme of the invention：In described step (2), the water cleaned after rubble, can be with after precipitation
Recycle.
As further scheme of the invention：In described step (3), distillation time is 5～8min, and from boiler, water steams
Vapour condensation starts timing, terminates distillation, into next step flow process after 5～8min.
As further scheme of the invention：In described step (4), belt is non-steel screen type belt.
As further scheme of the invention：In described step (4), the transfer rate of belt is 8～10m/min.
As further scheme of the invention：In described step (4), drying use far infrared heating pipe and its
The fortune wind motor of lower section, far infrared heating pipe and fortune wind motor located at the lower section of belt, are blowed to by fortune wind motor remote red
Outside line heat-generating pipe, hot blast is blown on the rubble on belt so that rubble will soon be dried.
Compared with prior art, the invention has the beneficial effects as follows：The inventive method is easy to operate, processes the alkali-free sand for obtaining
Meet professional standard《Regular concrete sand quality standard and test method》JGJ52-92, on the one hand, solve Building wood
The suction of material is white, yellowing, the problems such as tell black, on the other hand, it is adaptable to the making of more expensive goods.
Specific 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 described,
Obviously, described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.Based in the present invention
Embodiment, the every other embodiment obtained under the premise of creative work is not made by those of ordinary skill in the art, all
Belong to the scope of protection of the invention.
Embodiment 1
In the embodiment of the present invention, the processing method of alkali-free sand is comprised the following steps：
(1) crush：By from mountain, the raw ore sand out of river bed or seashore digging, crushed with puffing machine, obtain rubble；It is quick-fried broken
Power of motor P (kW)=11 × m of machineNation×(1/de-1/De) × 1.375 × Q, wherein, mNationFor Bond power dissipation index kW h/t,
D is discharging-material size μm, and D is feed size μm, and e is constant, and Q is disposal ability t/h of puffing machine；
(2) clean：Rubble is transported to next flow process with the speed of 20m/min by steel screen type belt, in transmit process
In, water is flow down from above steel screen type belt, carries out once flushing to rubble, and the debris such as clod in rubble are leaked by steel mesh
Go down, while the metal such as alkali in rubble is cleaned for the first time；
(3) distill：Rubble Jing steel screen type Belt Conveyings after cleaning in boiler, while water is poured into pot from above boiler
In stove, secondary flushing is carried out to sandstone, then distilled by boiler heating, made the alkaline matter volatilization in sandstone, realize dealkalize；
The water vapour condensation from boiler starts timing, terminates distillation, into next step flow process after 5min；
(4) dry：Rubble after dealkalize is conveyed with the speed of 8m/min by non-steel screen type belt through cleaning,
Combine and dried using the far infrared heating pipe and fortune wind motor below below belt in course of conveying, lead to
Cross fortune wind motor and blow to far infrared heating pipe, hot blast is blown on the rubble on belt so that rubble will soon be dried, most
After pack to obtain alkali-free sand.
Embodiment 2
In the embodiment of the present invention, the processing method of alkali-free sand is comprised the following steps：
(1) crush：By from mountain, the raw ore sand out of river bed or seashore digging, crushed with puffing machine, obtain rubble；It is quick-fried broken
Power of motor P (kW)=11 × m of machineNation×(1/de-1/De) × 1.375 × Q, wherein, mNationFor Bond power dissipation index kW h/t,
D is discharging-material size μm, and D is feed size μm, and e is constant, and Q is disposal ability t/h of puffing machine；
(2) clean：Rubble is transported to next flow process with the speed of 30m/min by steel screen type belt, in transmit process
In, water is flow down from above steel screen type belt, carries out once flushing to rubble, and the debris such as clod in rubble are leaked by steel mesh
Go down, while the metal such as alkali in rubble is cleaned for the first time；
(3) distill：Rubble Jing steel screen type Belt Conveyings after cleaning in boiler, while water is poured into pot from above boiler
In stove, secondary flushing is carried out to sandstone, then distilled by boiler heating, made the alkaline matter volatilization in sandstone, realize dealkalize；
The water vapour condensation from boiler starts timing, terminates distillation, into next step flow process after 8min；
(4) dry：Rubble after dealkalize is conveyed with the speed of 10m/min by non-steel screen type belt through cleaning,
Combine and dried using the far infrared heating pipe and fortune wind motor below below belt in course of conveying, lead to
Cross fortune wind motor and blow to far infrared heating pipe, hot blast is blown on the rubble on belt so that rubble will soon be dried, most
After pack to obtain alkali-free sand.
Embodiment 3
In the embodiment of the present invention, the processing method of alkali-free sand is comprised the following steps：
(1) crush：By from mountain, the raw ore sand out of river bed or seashore digging, crushed with puffing machine, obtain rubble；It is quick-fried broken
Power of motor P (kW)=11 × m of machineNation×(1/de-1/De) × 1.375 × Q, wherein, mNationFor Bond power dissipation index kW h/t,
D is discharging-material size μm, and D is feed size μm, and e is constant, and Q is disposal ability t/h of puffing machine；
(2) clean：Rubble is transported to next flow process with the speed of 26m/min by steel screen type belt, in transmit process
In, water is flow down from above steel screen type belt, carries out once flushing to rubble, and the debris such as clod in rubble are leaked by steel mesh
Go down, while the metal such as alkali in rubble is cleaned for the first time；Water after cleaning rubble can be recycled after precipitation
On once flushing；
(3) distill：Rubble Jing steel screen type Belt Conveyings after cleaning in boiler, while water is poured into pot from above boiler
In stove, secondary flushing is carried out to sandstone, then distilled by boiler heating, made the alkaline matter volatilization in sandstone, realize dealkalize；
The water vapour condensation from boiler starts timing, terminates distillation, into next step flow process after 7min；
(4) dry：Rubble after dealkalize is conveyed with the speed of 9m/min by non-steel screen type belt through cleaning,
Combine and dried using the far infrared heating pipe and fortune wind motor below below belt in course of conveying, lead to
Cross fortune wind motor and blow to far infrared heating pipe, hot blast is blown on the rubble on belt so that rubble will soon be dried, most
After pack to obtain alkali-free sand.
The inventive method is easy to operate, processes the alkali-free sand for obtaining and meets professional standard《Regular concrete sand quality
Standard and test method》JGJ52-92, on the one hand, the suction that solves construction material is white, yellowing, the problems such as tell black, on the other hand,
Suitable for the making of more expensive goods.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of spirit or essential attributes without departing substantially from the present invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit is required rather than described above is limited, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.
Moreover, it will be appreciated that although this specification is been described by according to embodiment, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical scheme in each embodiment can also Jing it is appropriately combined, form those skilled in the art
Understandable other embodiment.
Claims (9)
1. the processing method of alkali-free sand, it is characterised in that comprise the following steps：
(1) crush：By digging raw ore sand out, crushed with puffing machine, obtain rubble；
(2) clean：, by steel screen type Belt Conveying to next flow process, in transmit process, water is from steel screen type belt for rubble
Top flows down, and carries out once flushing to rubble, and the debris in rubble are leaked down by steel mesh, while the alkaline matter in rubble
Cleaned for the first time；
(3) distill：Rubble Jing steel screen type Belt Conveyings after cleaning in boiler, while water is poured into boiler from above boiler
In, secondary flushing is carried out to sandstone, is then distilled by boiler heating, made the alkaline matter volatilization in sandstone, realize dealkalize；
(4) dry：Rubble after dealkalize by Belt Conveying, is dried in course of conveying, finally packs to obtain alkali-free through cleaning
Sand.
2. the processing method of alkali-free sand according to claim 1, it is characterised in that in described step (1), raw ore sand source
From on mountain, river bed or seashore.
3. the processing method of alkali-free sand according to claim 1, it is characterised in that in described step (1), puffing machine
Power of motor P (kW)=11 × mNation×(1/de-1/De) × 1.375 × Q, wherein, mNationFor Bond power dissipation index kW h/t, d is
Discharging-material size μm, D are feed size μm, and e is constant, and Q is disposal ability t/h of puffing machine.
4. the processing method of alkali-free sand according to claim 1, it is characterised in that in described step (2), steel screen type skin
The transfer rate of band is 20～30m/min.
5. the processing method of alkali-free sand according to claim 1, it is characterised in that in described step (2), cleans rubble
Water afterwards is recycled after precipitation.
6. the processing method of alkali-free sand according to claim 1, it is characterised in that in described step (3), distillation time
For 5～8min, the water vapour condensation beginning timing from boiler.
7. the processing method of alkali-free sand according to claim 1, it is characterised in that in described step (4), belt are non-
Steel screen type belt.
8. the processing method of alkali-free sand according to claim 7, it is characterised in that in described step (4), the biography of belt
Speed is sent to be 8～10m/min.
9. the processing method of alkali-free sand according to claim 1, it is characterised in that in described step (4), drying are adopted
Be far infrared heating pipe and fortune wind motor below, far infrared heating pipe and fortune wind motor are under belt
Side, blows to far infrared heating pipe by transporting wind motor, hot blast is blown on the rubble on belt so that rubble is dried.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610991557.5A CN106517838A (en) | 2016-11-11 | 2016-11-11 | Processing method of alkali-free sand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610991557.5A CN106517838A (en) | 2016-11-11 | 2016-11-11 | Processing method of alkali-free sand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106517838A true CN106517838A (en) | 2017-03-22 |
Family
ID=58351120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610991557.5A Pending CN106517838A (en) | 2016-11-11 | 2016-11-11 | Processing method of alkali-free sand |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD280872A3 (en) * | 1987-10-02 | 1990-07-25 | Coswig Chemiewerk Veb | METHOD FOR PRODUCING A GLUE OVERLOCK |
| CN1644553A (en) * | 2004-12-23 | 2005-07-27 | 江阴采麟彩砂制品有限公司 | Color sand and production thereof |
| CN101391871A (en) * | 2007-09-18 | 2009-03-25 | 晟茂（青岛）先进材料有限公司 | Method for preparing high purity quartz sand |
| CN103664021A (en) * | 2012-09-02 | 2014-03-26 | 江苏融汇石英材料科技有限公司 | Production method of natural quartz sand for casting |
| CN104446074A (en) * | 2014-12-03 | 2015-03-25 | 中国石油大学(华东) | OTS self-assembling water inhibition quartz sand as well as preparation method and application thereof |
| CN104446071A (en) * | 2014-11-05 | 2015-03-25 | 泰州市腾达建筑工程机械有限公司 | Dry sand making process |
-
2016
- 2016-11-11 CN CN201610991557.5A patent/CN106517838A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD280872A3 (en) * | 1987-10-02 | 1990-07-25 | Coswig Chemiewerk Veb | METHOD FOR PRODUCING A GLUE OVERLOCK |
| CN1644553A (en) * | 2004-12-23 | 2005-07-27 | 江阴采麟彩砂制品有限公司 | Color sand and production thereof |
| CN101391871A (en) * | 2007-09-18 | 2009-03-25 | 晟茂（青岛）先进材料有限公司 | Method for preparing high purity quartz sand |
| CN103664021A (en) * | 2012-09-02 | 2014-03-26 | 江苏融汇石英材料科技有限公司 | Production method of natural quartz sand for casting |
| CN104446071A (en) * | 2014-11-05 | 2015-03-25 | 泰州市腾达建筑工程机械有限公司 | Dry sand making process |
| CN104446074A (en) * | 2014-12-03 | 2015-03-25 | 中国石油大学(华东) | OTS self-assembling water inhibition quartz sand as well as preparation method and application thereof |
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