CN104710157A - Rail shield muck colored functional ceramsite and preparation method thereof - Google Patents
Rail shield muck colored functional ceramsite and preparation method thereof Download PDFInfo
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- CN104710157A CN104710157A CN201510096972.XA CN201510096972A CN104710157A CN 104710157 A CN104710157 A CN 104710157A CN 201510096972 A CN201510096972 A CN 201510096972A CN 104710157 A CN104710157 A CN 104710157A
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- shield structure
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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
Abstract
The invention relates to a rail shield muck colored functional ceramsite and a preparation method thereof. The rail shield muck colored functional ceramsite is prepared from the following raw materials in parts by weight: 65-85 parts of rail shield muck, 3-5 parts of cement, 3-5 parts of quick lime, 3-5 parts of desulfurization gypsum, 5-10 parts of coal ash, 10-20 parts of tourmaline powder, 0.5-1 part of inorganic pigment, 5-10 parts of water glass, 3-5 parts of sodium sulfate and 30-50 parts of water. According to the rail shield muck colored functional ceramsite, the colored ceramsite is prepared through an unburned and non-autoclaved process; and through adding the tourmaline powder and the inorganic pigment to the raw materials, the prepared caramite can release anions to provide good air purification effect and effectively remove the indoor formaldehyde, and the caramite is colorful to bring living and garden decoration effect, so that the rail shield muck colored functional ceramsite is an environment-friendly low-carbon air purifying agent and decoration material with commercial application prospect.
Description
Technical field
The present invention relates to a kind of environment-friendly materials field, relate to a kind of track shield structure dregs color function haydite and preparation method thereof particularly.
Background technology
It is the main aspect of current indoor air-polluting that house decorative material and furniture pollute, its main objectionable constituent are formaldehyde, formaldehyde has hormesis to mucocutaneous, direct contact skin can cause allergic dermatitis, color spot, high density there will be the serious stimulation of respiratory tract and oedema, headache, initiation bronchitis when sucking, high-concentration formaldehyde or a kind of genotoxicity material, animal can cause rhinopharyngeal neoplasm when laboratory high density sucks, and formaldehyde is classified as suspect carcinogen matter by international cancer institute.At present, removing formaldehyde common method mainly contain ventilation, chemical method, active carbon adsorption etc., wherein ventilation winter cold season cannot adopt; Chemical method needs by means of harmful chemicals products such as sprays, may damage furniture, and cause secondary pollution; Active carbon adsorption removing formaldehyde belongs to physical adsorption, and effect is comparatively obvious, but gac is black, and shape is also irregular, looks very unsightly, very inharmonious with newly-decorated beautiful furniture.
In addition, each big city Rail Transit Construction Development is very fast, but the harm to urban ecology such as a large amount of shield structure dregs produced in railway traffic engineering process of construction and mud are faced with " occupy arable land, affect the appearance of the city, polluted source, blocking river course, sand play dirt ", carrying out railway traffic engineering dregs recycling is alleviate urban environment pressure, the important channel economized on resources.Current resource utilizes the mature technology of shield structure dregs and product to mainly contain the building material product such as vitrified brick and sintering ceramsite, but its sintering process is complicated, and energy consumption is high; Going into full operation in addition along with railway traffic engineering, how fast, a large amount of shield structure dregs of low-cost processes a large amount of shield structure dregs and mud produce thereupon, become the important topic needing solution badly.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of track shield structure dregs color function haydite, removes the defect of carbaldehyde Method and recycling shield structure dregs prepare that haydite technique is loaded down with trivial details, consume energy large problem to overcome prior art.
For realizing above-mentioned technical problem, the invention provides a kind of track shield structure dregs color function haydite, comprise and being prepared from by each component of following parts by weight: track shield structure dregs 65 ~ 85, cement 3 ~ 5, unslaked lime 3 ~ 5, desulfurated plaster 3 ~ 5, flyash 5 ~ 10, tourmaline powder 10 ~ 20, mineral dye 0.5 ~ 1, water glass 5 ~ 10, sodium sulfate 3 ~ 5, water 30 ~ 50.
Preferably, described shield structure dregs is the shield structure dregs of water ratio < 5%, levigate mistake 600 mesh sieve and screen over-size≤25%.
Preferably, described cement is commercially available 32.5 grades of ordinary Portland cements.
Preferably, described unslaked lime is commercially available 800 order 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.
Preferably, described tourmaline powder is one or both in commercially available iron tourmaline powder, dravite powder.
Preferably, the particle diameter of described tourmaline powder is 0.3 ~ 0.5 μm.
Preferably, described mineral dye is one or more in commercially available red iron oxide, iron oxide yellow, iron oxide green or titanium dioxide.
The present invention also provides a kind of preparation method of above-mentioned track shield structure dregs color function haydite, specifically comprises the steps:
(1) take shield structure dregs, cement, unslaked lime, desulfurated plaster, flyash, tourmaline powder by formula rate, mix and obtain powder.
(2) formula rate is taken water glass and sodium sulfate is dissolved in the water of formula rate; until completely dissolved; in 1 ~ 5 minute, spray pattern is adopted all to be drenched in solid powder by the solution configured, granulation balling-up in granulating disc, dyeing of rolling in mineral dye after balling-up.
(3) by the haydite room temperature natural curing 20 ~ 40 minutes after dyeing, after put into room-temperature fresh water maintenance and take out after 24 ~ 30 days, dry 4 ~ 8 hours at 100 DEG C.
The present invention for base material, utilizes cement, unslaked lime, tourmaline powder with track shield structure dregs, water glass, sodium sulfate, and trade waste flyash and desulfurated plaster are as excitation material, according to alkali-activated material preparation principle, by process optimization, free of calcining and steam curing mode is adopted to prepare color function haydite.
Compared with prior art, the beneficial effect that the present invention has is: adopt free of calcining and steam curing technique to prepare colored haydite, achieve the functionalization of discarded dregs, reach energy-conservation, while low-carbon (LC) ground recycling a large amount of track shield structure dregs, also to have dissolved the trade waste such as flyash and desulfurated plaster, widen the utilization ways of above-mentioned solid waste material, reduce its disadvantageous effect to urban environment; By adding tourmaline powder and inorganic dyestuff in the feed, making the haydite that obtains not only can anion releasing, there is the effect that well purifies air, effectively remove indoor formaldehyde, and the color of haydite is colorful, have at home and effect that gardens are decorated simultaneously.
Embodiment
Below in conjunction with specific embodiment, technical scheme of the present invention is further described in detail.
Embodiment 1
Weigh each component of following parts by weight: track shield structure dregs 65, cement 3, unslaked lime 3, desulfurated plaster 3, flyash 5, tourmaline powder 10, red iron oxide 0.5, water glass 5, sodium sulfate 3, water 30.Wherein, red iron oxide can be one or more in iron oxide yellow, iron oxide green or titanium dioxide, to prepare the haydite of different colours; Shield structure dregs is water ratio < 5%, better effects if during the shield structure dregs of levigate mistake 600 mesh sieve and screen over-size≤25%; Cement can be commercially available 32.5 grades of ordinary Portland cements; Unslaked lime is preferably commercially available 800 order calcium lime powders.Preparation method's concrete steps of track shield structure dregs color function haydite comprise: (1) takes shield structure dregs, cement, unslaked lime, desulfurated plaster, flyash, tourmaline powder by formula rate, mixes and obtains powder; (2) formula rate is taken water glass and sodium sulfate is dissolved in the water of formula rate, until completely dissolved, in 1 minute, spray pattern is adopted all to be drenched in solid powder by the solution configured, granulation balling-up in granulating disc, dyeing of rolling in mineral dye after balling-up; (3) by the haydite room temperature natural curing 20 minutes after dyeing, after put into room-temperature fresh water maintenance and take out after 24 days, dry 4 hours at 100 DEG C.Gained track shield structure dregs color function haydite sample is carried out Performance Detection, and recording tap density is 638kg/m
3, formaldehyde clearance is 73%, and negative ion release rate is 1080/cubic centimetre.Similar to the performance of traditional haydite, can not only remove the formaldehyde in air, all right anion releasing, has the function purified air, and has decorative effect.
Embodiment 2
Weigh each component of following parts by weight: track shield structure dregs 85, cement 5, unslaked lime 5, desulfurated plaster 5, flyash 10, tourmaline powder 20, red iron oxide 1, water glass 10, sodium sulfate 5, water 50.Desulfurated plaster can be the industrial waste desulfurated plaster of titanium powder plant, and flyash can be power plant's industrial waste flyash, and tourmaline powder also can with one or both in commercially available iron tourmaline powder, dravite powder, and its particle diameter is 0.3 ~ 0.5 μm of the best.Preparation method's concrete steps of track shield structure dregs color function haydite comprise: (1) takes shield structure dregs, cement, unslaked lime, desulfurated plaster, flyash, tourmaline powder by formula rate, mixes and obtains powder; (2) formula rate is taken water glass and sodium sulfate is dissolved in the water of formula rate, until completely dissolved, in 5 minutes, spray pattern is adopted all to be drenched in solid powder by the solution configured, granulation balling-up in granulating disc, dyeing of rolling in mineral dye after balling-up; (3) by the haydite room temperature natural curing 40 minutes after dyeing, after put into room-temperature fresh water maintenance and take out after 30 days, dry 8 hours at 100 DEG C.Detected by gained track shield structure dregs color function haydite sample, recording tap density is 664kg/m
3, formaldehyde clearance is 75%, and negative ion release rate is 1210/cubic centimetre.Similar to the performance of traditional haydite, can not only remove the formaldehyde in air, all right anion releasing, has the function purified air, and has decorative effect.
Embodiment 3
Weigh each component of following parts by weight: track shield structure dregs 75, cement 4, unslaked lime 4, desulfurated plaster 4, flyash 7.5, tourmaline powder 15, red iron oxide 0.75, water glass 7.5, sodium sulfate 4, water 40.Desulfurated plaster can be the industrial waste desulfurated plaster of titanium powder plant, and flyash can be power plant's industrial waste flyash, and tourmaline powder also can with one or both in commercially available iron tourmaline powder, dravite powder, and its particle diameter is 0.3 ~ 0.5 μm of the best.Preparation method's concrete steps of track shield structure dregs color function haydite comprise: (1) takes shield structure dregs, cement, unslaked lime, desulfurated plaster, flyash, tourmaline powder by formula rate, mixes and obtains powder; (2) formula rate is taken water glass and sodium sulfate is dissolved in the water of formula rate, until completely dissolved, in 3 minutes, spray pattern is adopted all to be drenched in solid powder by the solution configured, granulation balling-up in granulating disc, dyeing of rolling in mineral dye after balling-up; (3) by the haydite room temperature natural curing 30 minutes after dyeing, after put into room-temperature fresh water maintenance and take out after 27 days, dry 6 hours at 100 DEG C.Detected by gained track shield structure dregs color function haydite sample, recording tap density is 705kg/m
3, formaldehyde clearance is 80%, and negative ion release rate is 1380/cubic centimetre.Similar to the performance of traditional haydite, can not only remove the formaldehyde in air, all right anion releasing, has the function purified air, and has decorative effect.
The various embodiments described above prepare track shield structure dregs color function haydite, and technique is simple, can reach energy-conservation, low-carbon (LC) ground recycling a large amount of track shield structure dregs and trade waste of dissolving; Not only color is various for the track shield structure dregs color function haydite simultaneously prepared, and has decorative effect, and the excellent effect that can purify air, and is the colored haydite of function of a kind of energy-conservation, low-carbon (LC), environmental protection.
It should be noted last that, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (10)
1. a track shield structure dregs color function haydite, it is characterized in that each component comprised with following parts by weight is prepared from: track shield structure dregs 65 ~ 85, cement 3 ~ 5, unslaked lime 3 ~ 5, desulfurated plaster 3 ~ 5, flyash 5 ~ 10, tourmaline powder 10 ~ 20, mineral dye 0.5 ~ 1, water glass 5 ~ 10, sodium sulfate 3 ~ 5, water 30 ~ 50.
2. a kind of track shield structure dregs color function haydite according to claim 1, is characterized in that: described shield structure dregs is water ratio < 5%, the shield structure dregs of levigate mistake 600 mesh sieve and screen over-size≤25%.
3. a kind of track shield structure dregs color function haydite according to claim 1, is characterized in that: described cement is commercially available 32.5 grades of ordinary Portland cements.
4. a kind of track shield structure dregs color function haydite according to claim 1, is characterized in that: described unslaked lime is commercially available 800 order calcium lime powders.
5. a kind of track shield structure dregs color function haydite according to claim 1, is characterized in that: described desulfurated plaster is the industrial waste desulfurated plaster of titanium powder plant.
6. a kind of track shield structure dregs color function haydite according to claim 1, is characterized in that: described flyash is power plant's industrial waste flyash.
7. a kind of track shield structure dregs color function haydite according to claim 1, is characterized in that: described tourmaline powder is one or both in commercially available iron tourmaline powder, dravite powder.
8. a kind of track shield structure dregs color function haydite according to claim 1 or 7, is characterized in that: the particle diameter of described tourmaline powder is 0.3 ~ 0.5 μm.
9. a kind of track shield structure dregs color function haydite according to claim 1, is characterized in that: described mineral dye is one or more in commercially available red iron oxide, iron oxide yellow, iron oxide green or titanium dioxide.
10. a preparation method for the arbitrary described track shield structure dregs color function haydite of the claims 1 ~ 9, is characterized in that comprising the steps:
(1) take shield structure dregs, cement, unslaked lime, desulfurated plaster, flyash, tourmaline powder by formula rate, mix and obtain powder;
(2) formula rate is taken water glass and sodium sulfate is dissolved in the water of formula rate, until completely dissolved, in 1 ~ 5 minute, spray pattern is adopted all to be drenched in solid powder by the solution configured, granulation balling-up in granulating disc, dyeing of rolling in mineral dye after balling-up;
(3) by the haydite room temperature natural curing 20 ~ 40 minutes after dyeing, after put into room-temperature fresh water maintenance and take out after 24 ~ 30 days, dry 4 ~ 8 hours at 100 DEG C.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510096972.XA CN104710157A (en) | 2015-03-04 | 2015-03-04 | Rail shield muck colored functional ceramsite and preparation method thereof |
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| CN201510096972.XA CN104710157A (en) | 2015-03-04 | 2015-03-04 | Rail shield muck colored functional ceramsite and preparation method thereof |
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Cited By (7)
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| CN106467408A (en) * | 2016-09-19 | 2017-03-01 | 蒋文兰 | Gravel has the mallee bark light ceramic of air purification function |
| CN108395134A (en) * | 2018-03-29 | 2018-08-14 | 重庆大学 | High efficiency water reducing agent composition and its application method for alkali slag cement |
| 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 |
| CN113248232A (en) * | 2021-05-25 | 2021-08-13 | 福建师范大学 | Method for firing light ceramsite by using domestic sludge and shield muck |
| CN113480323A (en) * | 2021-08-05 | 2021-10-08 | 河南理工大学 | muck-Bayer process red mud-based ceramsite and preparation method thereof |
| 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 |
| CN114105536A (en) * | 2021-11-26 | 2022-03-01 | 建华建材（中国）有限公司 | Low-carbon environment-friendly non-sintered ceramsite filter material and preparation method and application thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106467408A (en) * | 2016-09-19 | 2017-03-01 | 蒋文兰 | Gravel has the mallee bark light ceramic of air purification function |
| CN108395134A (en) * | 2018-03-29 | 2018-08-14 | 重庆大学 | High efficiency water reducing agent composition and its application method for alkali slag cement |
| CN108395134B (en) * | 2018-03-29 | 2020-11-06 | 重庆大学 | High-efficiency water reducing agent composition for alkali slag cement and use method thereof |
| 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 |
| CN113248232A (en) * | 2021-05-25 | 2021-08-13 | 福建师范大学 | Method for firing light ceramsite by using domestic sludge and shield muck |
| 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 |
| CN113480323A (en) * | 2021-08-05 | 2021-10-08 | 河南理工大学 | muck-Bayer process red mud-based ceramsite and preparation method thereof |
| CN114105536A (en) * | 2021-11-26 | 2022-03-01 | 建华建材（中国）有限公司 | Low-carbon environment-friendly non-sintered ceramsite filter material and preparation method and application thereof |
| CN114105536B (en) * | 2021-11-26 | 2022-09-13 | 建华建材（中国）有限公司 | Low-carbon environment-friendly non-sintered ceramsite filter material and preparation method and application thereof |
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Application publication date: 20150617 |