CN104710156B - A kind of track shield dregs haydite free of calcining and steam curing and preparation method thereof - Google Patents
A kind of track shield dregs haydite free of calcining and steam curing and preparation method thereof Download PDFInfo
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- CN104710156B CN104710156B CN201510096915.1A CN201510096915A CN104710156B CN 104710156 B CN104710156 B CN 104710156B CN 201510096915 A CN201510096915 A CN 201510096915A CN 104710156 B CN104710156 B CN 104710156B
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- parts
- haydite
- calcining
- free
- shield dregs
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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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- Curing Cements, Concrete, And Artificial Stone (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The present invention relates to a kind of track shield dregs haydite free of calcining and steam curing and preparation method thereof, each raw material components parts by weight of track shield dregs haydite free of calcining and steam curing are: track shield dregs 75～100 parts, cement 3～5 parts, quick lime 3～5 parts, desulfurated plaster 3～5 parts, flyash 5～10 parts, waterglass 5～10 parts, sodium sulfate 3～5 parts, water 30～50 parts, after first solid constituent being mixed, add water and make haydite, employing room temperature natural curing.The present invention has shield dregs early stage and processes simple, consume dregs amount big, preparation technology is simple, without high temperature sintering, can dissolve the trade waste such as flyash and desulfurated plaster, use technique free of calcining and steam curing, therefore prepare with sintering process compared with haydite technique, there is low cost, and the advantage of the environment protecting such as energy-conservation, low-carbon (LC).
Description
Technical field
The present invention relates to solid waste Utilizing question, be specifically related to a kind of track shield dregs pottery free of calcining and steam curing
Grain and preparation method thereof.
Background technology
" occupy for what a large amount of shield dregs produced during Railway Transit Construction and mud faced
Plough, affect the appearance of the city, polluted source, blocking river course, sand play dirt " etc. harm to urban ecology,
Carrying out railway traffic engineering dregs recycling is the important way alleviating urban environment pressure, economizing on resources
Footpath.At present, mature technology and the product of recycling shield dregs mainly has fired brick and sintering ceramsite
Deng building material product, but its sintering process is complicated, and energy consumption is high；Additionally comprehensive along with railway traffic engineering
Going into operation, a large amount of shield dregs and mud produce therewith, the most quickly, low cost and low-carbon (LC) utilize substantial amounts of
Shield dregs, it has also become need the important topic of solution badly.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of track shield dregs haydite free of calcining and steam curing, with gram
Taking prior art recycling shield dregs and prepare that haydite technique is loaded down with trivial details, power consumption is big, cost is high, not ring
The problems such as guarantor.
For realizing above-mentioned technical problem, the present invention provides a kind of track shield dregs haydite free of calcining and steam curing, by
Prepared by each component of following parts by weight: track shield dregs 75～100 parts, cement 3～5 parts, calculogenesis
Ash 3～5 parts, desulfurated plaster 3～5 parts, flyash 5～10 parts, waterglass 5～10 parts, sodium sulfate
3～5 parts, water 30～50 parts.
Preferably, described track shield dregs haydite free of calcining and steam curing is by each component system of following parts by weight
Standby: track shield dregs 80～90 parts, cement 3.5～4.5 parts, quick lime 3.5～4.5 parts, desulfurization stone
Cream 3.5～4.5 parts, flyash 7～9 parts, waterglass 6～8 parts, sodium sulfate 3.5～4.5 parts, water 35～
45 parts.
Preferably, described shield dregs be moisture content ＜ 5%, fineness be 0.16mm sieve and screen over-size≤25%
Shield dregs.
Preferably, described cement is commercially available 32.5 grades of Portland cements.
Preferably, described quick lime is commercially available 800 mesh calcium lime powders.
Preferably, described desulfurated plaster is the industrial waste desulfurated plaster of titanium powder plant.
Preferably, described flyash is power plant's industrial waste flyash.
The present invention also provides for the preparation method of a kind of above-mentioned track shield dregs haydite free of calcining and steam curing, specifically wraps
Include following steps:
(1) dispensing
Weighing shield dregs, cement, quick lime, desulfurated plaster, flyash by formula proportion, mixing is all
Even obtain solid powder；
(2) balling-up
Waterglass and the sodium sulfate of formula proportion are dissolved in the water of formula proportion, until completely dissolved,
Spray pattern is used all to be drenched by the solution prepared in the solid powder of step (1) in 1～5min,
Pelletize balling-up in granulating disc；
(3) maintenance
The haydite that balling-up is good is put in room-temperature fresh water maintenance 20～28h wait and take out, then be positioned over room temperature,
Wet environment maintenance 22～32 days, track shield dregs haydite free of calcining and steam curing.
The present invention with track shield dregs as base material, utilize cement, quick lime, waterglass, sodium sulfate with
And trade waste flyash and desulfurated plaster are as excitation material, according to alkali-activated material preparation principle,
By process optimization, mode free of calcining and steam curing is used to prepare haydite.Compared with prior art, the present invention has
Following beneficial effect:
(1) shield dregs early stage processes simple, only need to be dried by shield dregs, and levigate to specifying fineness
?；
(2) this technical matters is simple, it is not necessary to large scale sintering equipment；
(3) this technology is while processing a large amount of shield dregs, it is also possible to dissolve flyash and desulfurated plaster
Deng trade waste, widen the utilization ways of above-mentioned solid waste material；
(4) this technology uses technique free of calcining and steam curing, compared with conventional sintering technique, has energy-conservation and low-carbon (LC)
Deng environment protecting.
Detailed description of the invention
Below in conjunction with specific embodiment, technical scheme is further described in detail.
Embodiment 1
Weigh each component of following parts by weight: track shield dregs 75 parts, cement 3 parts, quick lime 3
Part, desulfurated plaster 3 parts, 5 parts of flyash, waterglass 5 parts, 3 parts of sodium sulfate, 30 parts of water.Track
The preparation method concrete steps of shield dregs haydite free of calcining and steam curing include: (1) dispensing: claim by formula proportion
Taking shield dregs, cement, quick lime, desulfurated plaster, flyash, mix homogeneously obtains solid powder；
(2) balling-up: waterglass and the sodium sulfate of formula proportion are dissolved in the water of formula proportion, wait to be completely dissolved
After, use spray pattern all to be drenched by the solution prepared in the solid powder of step (1) in 1min,
Pelletize balling-up in granulating disc；(3) maintenance: the haydite that balling-up is good is put into maintenance in room-temperature fresh water
20h waits taking-up, then is positioned over room temperature, wet environment maintenance 22 days, track shield dregs is unburned
Non-evaporating haydite.Gained track shield dregs haydite free of calcining and steam curing sample is carried out performance detection, records accumulation
Density is 650kg/m3, cylindrical compress strength be 4.0MPa, 1h water absorption rate be 17.9%.In above composition,
The pottery prepared during the shield dregs using moisture content ＜ 5%, fineness to be 0.16mm sieve and screen over-size≤25%
Grain all technical is more preferable.Every technology of haydite when cement is commercially available 32.5 grades of Portland cements
Index is optimal.
Embodiment 2
Weigh each component of following parts by weight: track shield dregs 100 parts, cement 5 parts, quick lime
5 parts, desulfurated plaster 5 parts, 10 parts of flyash, waterglass 10 parts, 5 parts of sodium sulfate, 50 parts of water.
The preparation method concrete steps of track shield dregs haydite free of calcining and steam curing include: (1) dispensing: by recipe ratio
Example weighs shield dregs, cement, quick lime, desulfurated plaster, flyash, and mix homogeneously obtains solid powder
Material；(2) balling-up: waterglass and the sodium sulfate of formula proportion are dissolved in the water of formula proportion, treats completely
After dissolving, use spray pattern that the solution prepared all drenches the solid powder into step (1) in 5min
In material, pelletize balling-up in granulating disc；(3) maintenance: the haydite that balling-up is good is put into room-temperature fresh water
Middle maintenance 28h waits taking-up, then is positioned over room temperature, wet environment maintenance 32 days, track shield slag
Soil haydite free of calcining and steam curing.Gained track shield dregs haydite free of calcining and steam curing sample is carried out performance detection, surveys
Obtaining bulk density is 690kg/m3, cylindrical compress strength be 3.8MPa, 1h water absorption rate be 18.5%.The most former
Material composition in, quick lime be the haydite all technical prepared during the calcium lime powder of commercially available 800 mesh more preferably.
Embodiment 3
Weigh each component of following parts by weight: track shield dregs 87.5 parts, cement 4 parts, calculogenesis
Ash 4 parts, desulfurated plaster 4 parts, 7.5 parts of flyash, waterglass 7.5 parts, 4 parts of sodium sulfate, water 40
Part.The preparation method concrete steps of track shield dregs haydite free of calcining and steam curing include: (1) dispensing: by joining
Side's ratio weighs shield dregs, cement, quick lime, desulfurated plaster, flyash, and mix homogeneously is consolidated
Body powder；(2) balling-up: waterglass and the sodium sulfate of formula proportion are dissolved in the water of formula proportion, treat
After being completely dissolved, use spray pattern that the solution prepared all is drenched consolidating into step (1) in 3min
In body powder, pelletize balling-up in granulating disc；(3) maintenance: the haydite that balling-up is good is put into room temperature
In fresh water, maintenance 24h waits and takes out, then is positioned over room temperature, wet environment maintenance 27 days, track shield
Structure dregs haydite free of calcining and steam curing.Gained track shield dregs haydite free of calcining and steam curing sample is carried out performance detection,
Recording bulk density is 710kg/m3；Cylindrical compress strength be 3.7MPa, 1h water absorption rate be 19.8%.Above
Preparation process, desulfurated plaster can use the industrial waste desulfurated plaster of titanium powder plant, and flyash can make
With power plant's industrial waste flyash.
Embodiment 4
Weigh each component of following parts by weight: track shield dregs 80 parts, cement 3.5 parts, quick lime
3.5 parts, desulfurated plaster 3.5 parts, 7 parts of flyash, waterglass 6 parts, 3.5 parts of sodium sulfate, water 35
Part.The preparation method concrete steps of track shield dregs haydite free of calcining and steam curing include: (1) dispensing: by joining
Side's ratio weighs shield dregs, cement, quick lime, desulfurated plaster, flyash, and mix homogeneously is consolidated
Body powder；(2) balling-up: waterglass and the sodium sulfate of formula proportion are dissolved in the water of formula proportion, treat
After being completely dissolved, use spray pattern that the solution prepared all is drenched consolidating into step (1) in 2min
In body powder, pelletize balling-up in granulating disc；(3) maintenance: the haydite that balling-up is good is put into room temperature
In fresh water, maintenance 26h waits and takes out, then is positioned over room temperature, wet environment maintenance 24.5 days, track
Shield dregs haydite free of calcining and steam curing.Gained track shield dregs haydite free of calcining and steam curing sample is detected,
Recording bulk density is 800kg/m3, cylindrical compress strength be 5MPa, 1h water absorption rate be 15%.
Embodiment 5
Weigh each component of following parts by weight: track shield dregs 90 parts, cement 4.5 parts, quick lime
4.5 parts, desulfurated plaster 4.5 parts, 9 parts of flyash, waterglass 8 parts, 4.5 parts of sodium sulfate, water 45
Part.The preparation method concrete steps of track shield dregs haydite free of calcining and steam curing include: (1) dispensing: by joining
Side's ratio weighs shield dregs, cement, quick lime, desulfurated plaster, flyash, and mix homogeneously is consolidated
Body powder；(2) balling-up: waterglass and the sodium sulfate of formula proportion are dissolved in the water of formula proportion, treat
After being completely dissolved, use spray pattern that the solution prepared all is drenched consolidating into step (1) in 4min
In body powder, pelletize balling-up in granulating disc；(3) maintenance: the haydite that balling-up is good is put into room temperature
In fresh water, maintenance 22h waits and takes out, then is positioned over room temperature, wet environment maintenance 29.5 days, track
Shield dregs haydite free of calcining and steam curing.Gained track shield dregs haydite free of calcining and steam curing sample is carried out performance inspection
Survey, record bulk density: for 770kg/m3, cylindrical compress strength be 4.5MPa, 1h water absorption rate be 16.8%.
Embodiment 6
Weigh each component of following parts by weight: track shield dregs 85 parts, cement 4.25 parts, calculogenesis
Ash 4.25 parts, desulfurated plaster 4.25 parts, 8 parts of flyash, waterglass 7 parts, 4.25 parts of sodium sulfate,
47.5 parts of water.The preparation method concrete steps of track shield dregs haydite free of calcining and steam curing include: (1) dispensing:
Weighing shield dregs, cement, quick lime, desulfurated plaster, flyash by formula proportion, mix homogeneously obtains
To solid powder；(2) balling-up: waterglass and the sodium sulfate of formula proportion are dissolved in the water of formula proportion,
Until completely dissolved, spray pattern is used all to drench the solution prepared into step (1) in 2min
In solid powder, pelletize balling-up in granulating disc；(3) maintenance: the haydite that balling-up is good is put into room
In temperature fresh water, maintenance 20h waits and takes out, then is positioned over room temperature, wet environment maintenance 25 days, track
Shield dregs haydite free of calcining and steam curing.Gained track shield dregs haydite free of calcining and steam curing sample is carried out performance inspection
Surveying, recording bulk density is 600kg/m3, cylindrical compress strength be 3.0MPa, 1h water absorption rate be 18.9%.
Track shield dregs haydite free of calcining and steam curing prepared by the various embodiments described above, preparation technology is simple, has
The advantage of the environment protectings such as low cost, energy-conservation, low-carbon (LC)；The track shield dregs simultaneously prepared is free of calcining and steam curing
Haydite has all reached good standard in technical specifications such as bulk density, cylindrical compress strength and 1h water absorption rates.
It should be noted last that, above detailed description of the invention only in order to technical scheme to be described and
Unrestricted, although the present invention being described in detail with reference to preferred embodiment, the ordinary skill of this area
Personnel should be appreciated that and can modify technical scheme or equivalent, without deviating from
The spirit and scope of technical solution of the present invention, it all should be contained in the middle of scope of the presently claimed invention.
Claims (7)
1. a track shield dregs haydite free of calcining and steam curing, it is characterised in that by each group of following parts by weight
Divide and be prepared from: track shield dregs 75～100 parts, cement 3～5 parts, quick lime 3～5 parts,
Desulfurated plaster 3～5 parts, flyash 5～10 parts, waterglass 5～10 parts, sodium sulfate 3～5 parts,
Water 30～50 parts.
2. a track shield dregs haydite free of calcining and steam curing, it is characterised in that by each group of following parts by weight
Divide and prepare: track shield dregs 80～90 parts, cement 3.5～4.5 parts, quick lime 3.5～4.5 parts,
Desulfurated plaster 3.5～4.5 parts, flyash 7～9 parts, waterglass 6～8 parts, sodium sulfate 3.5～4.5
Part, water 35～45 parts.
Track shield dregs haydite free of calcining and steam curing the most according to claim 1 and 2, it is characterised in that:
Described shield dregs is moisture content ＜ 5%, fineness is 0.16mm sieve and the shield slag of screen over-size≤25%
Soil.
Track shield dregs haydite free of calcining and steam curing the most according to claim 1, it is characterised in that: described
Cement is commercially available 32.5 grades of Portland cements.
Track shield dregs haydite free of calcining and steam curing the most according to claim 1, it is characterised in that: described
Quick lime is commercially available 800 mesh calcium lime powders.
Track shield dregs haydite free of calcining and steam curing the most according to claim 1, it is characterised in that: described
Desulfurated plaster is the industrial waste desulfurated plaster of titanium powder plant.
Track shield dregs haydite free of calcining and steam curing the most according to claim 1, it is characterised in that: described
Flyash is power plant's industrial waste flyash.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510096915.1A CN104710156B (en) | 2015-03-04 | 2015-03-04 | A kind of track shield dregs haydite free of calcining and steam curing and preparation method thereof |
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| CN201510096915.1A CN104710156B (en) | 2015-03-04 | 2015-03-04 | A kind of track shield dregs haydite free of calcining and steam curing and preparation method thereof |
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Families Citing this family (16)
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| CN105016767B (en) * | 2015-08-18 | 2018-01-09 | 长沙鼎成新材料科技有限公司 | A kind of light non-fired haydite for road capital construction and preparation method thereof |
| CN105503149A (en) * | 2015-12-31 | 2016-04-20 | 文登蓝岛建筑工程有限公司 | Floor tile and preparation method thereof |
| CN107056239A (en) * | 2017-04-26 | 2017-08-18 | 长沙锦佳环保科技有限公司 | A kind of metro shield sintering brick using schist as raw material and production method |
| CN107098634A (en) * | 2017-04-26 | 2017-08-29 | 长沙锦佳环保科技有限公司 | A kind of metro shield dregs is non-burning brick and production method |
| CN109437730A (en) * | 2018-11-05 | 2019-03-08 | 东莞市爱思宝节能科技有限公司 | Build aggregate and preparation method thereof and its application |
| CN110156427B (en) * | 2019-04-18 | 2021-04-27 | 宁波工程学院 | Engineering waste soil non-sintered functionally-graded composite ceramsite and preparation method thereof |
| CN110981245B (en) * | 2019-12-31 | 2021-10-29 | 深圳市华威环保建材有限公司 | Engineering waste soil light recycled aggregate and preparation method and application thereof |
| CN111205061B (en) * | 2020-01-14 | 2021-12-21 | 安徽省高迪循环经济产业园股份有限公司 | Preparation method of baking-free high-strength fly ash ceramsite |
| CN112250361A (en) * | 2020-10-22 | 2021-01-22 | 河南建博新材料科技有限公司 | Method for preparing baking-free lightweight aggregate from shield waste slurry |
| CN112194454B (en) * | 2020-10-22 | 2021-08-27 | 中南大学 | Shield muck unfired hollow brick and preparation method thereof |
| CN112707685B (en) * | 2020-12-24 | 2022-07-12 | 深圳市华威环保建材有限公司 | Self-compacting concrete and preparation method thereof |
| CN112939496B (en) * | 2021-02-03 | 2022-07-22 | 合肥工业大学 | Microwave sintering method of clay ceramsite |
| CN113603499A (en) * | 2021-06-25 | 2021-11-05 | 福建师范大学 | Method for firing light ceramsite by utilizing shield residual soil and river sludge |
| CN114085053A (en) * | 2021-11-11 | 2022-02-25 | 同济大学 | Waste building residue soil slurry base baking-free early-strength lightweight aggregate and preparation method thereof |
| CN114368925A (en) * | 2022-01-27 | 2022-04-19 | 青岛理工大学 | Method for preparing lightweight aggregate by using engineering mud |
| CN114907085A (en) * | 2022-04-15 | 2022-08-16 | 上海建工建材科技集团股份有限公司 | Building regenerated micro-powder non-fired ceramsite and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102503536B (en) * | 2011-11-10 | 2013-06-19 | 许庆华 | Irregularly-shaped attapulgite construction waste ceramsite |
| CN102617107B (en) * | 2012-04-01 | 2013-09-04 | 浙江大学宁波理工学院 | Building silt soil non-sintered ceramic aggregate and preparation method thereof |
| CN102992726B (en) * | 2012-11-28 | 2016-06-22 | 浙江大学宁波理工学院 | Baking-free ceramicite |
| CN103159457B (en) * | 2013-02-27 | 2015-03-04 | 宁波市远扬新型建材科技有限公司 | Ceramsite formula |
| CN104370513A (en) * | 2013-08-13 | 2015-02-25 | 杨林贵 | Constructional light ceramsite |
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