CN105481336A - Method for preparing high-strength baking-free brick from domestic refuse incinerator slag - Google Patents

Method for preparing high-strength baking-free brick from domestic refuse incinerator slag Download PDF

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Publication number
CN105481336A
CN105481336A CN201511007311.1A CN201511007311A CN105481336A CN 105481336 A CN105481336 A CN 105481336A CN 201511007311 A CN201511007311 A CN 201511007311A CN 105481336 A CN105481336 A CN 105481336A
Authority
CN
China
Prior art keywords
slag
water
brick
waste incineration
shaping
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.)
Pending
Application number
CN201511007311.1A
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Chinese (zh)
Inventor
周旭
李军
陈竹
周圣庆
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nantong Tianlan Environmental Protection and Energy Equipment Co Ltd
Original Assignee
Nantong Tianlan Environmental Protection and Energy Equipment Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nantong Tianlan Environmental Protection and Energy Equipment Co Ltd filed Critical Nantong Tianlan Environmental Protection and Energy Equipment Co Ltd
Priority to CN201511007311.1A priority Critical patent/CN105481336A/en
Publication of CN105481336A publication Critical patent/CN105481336A/en
Pending legal-status Critical Current

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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
    • 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
    • C04B28/14—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 containing calcium sulfate 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
    • 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 method for preparing a high-strength baking-free brick from domestic refuse incinerator slag, belonging to the technical field of domestic refuse incinerator slag treatment and reutilization. The method comprises the following steps: cooling fresh furnace slag, carrying out magnetic separation to suck out metal substances, carrying out ball milling treatment on the furnace slag with the particle size of greater than 3mm so that the particle size is 3mm or below, proportionally adding the furnace slag, water, an excitant and the like into a stirring tank, uniformly mixing, adding the cement, gypsum and lime into the stirring tank, stirring uniformly, and carrying out pressure molding. The strength of the brick prepared by the method is 2-3 times of that of the common brick.

Description

Domestic waste incineration residue prepares the non-burning brick method of high strength
Technical field
The invention belongs to domestic waste incineration residue process reutilization technology field, be specifically related to the method that the slag after consumer waste incineration prepares unburned pavior brick.
Background technology
Slag is the bottom ash after consumer waste incineration, comprise the slag that furnace slag discharge and fire grate fall down, slag accounts for and burns about 80% of rear lime-ash total amount, the domestic waste incineration residue (abbreviation slag) of domestic refuse output 20% per ton, forms primarily of pottery, glass, metal, imperfect combustion organism and non-flammable inorganics.
Slag density is 2.3g/cm 3, pH value is 8-13, containing have an appointment 38% SiO 2, the CaO of 22%, the Al of 10% 20 3, the Fe of 4.6% 20 3, the MgO of 3%, also has a small amount of K 20, Na 20 etc., be listed in general waste.
Its physical chemistry of slag and engineering properties are extremely similar to natural aggregate, are listed in recyclable resource.
Summary of the invention
The invention provides the method that one way of life waste incineration slag prepares the non-burning brick method of high strength, object be to solve current domestic waste incineration residue system bore Raw particle diameter thickness uneven, mix uneven, pressed brick hardness is not high, easy quality problems such as loose.
Concrete technology step of the present invention is:
(1) cold filtration: carry out water cooling to the slag after consumer waste incineration, washes the soil in slag off simultaneously; Pressure filtration is carried out to cooled slag, leaches unnecessary water;
(2) category filter: isolate the metallics in slag and Large stone material;
(3) ball-milling processing: the ball-milling processing of the slag of isolated more than particle diameter 0.3mm being carried out to 2-5min, the slag after ball milling sieves again, and so circulation is until uniform particle sizes;
(4) stir: the Na first adding 4%-5% 2siO 3rolling after stirring with water and slag, then add the cement of 3%-4%, the lime of 13%-14%, the gypsum of 4%-5% and water and stir;
(5) shaping: enter hydraulic brick making machine by the raw material after step (4) stirs shaping, forming pressure is 20MPa, clamping time 50-80s, the dwell time is 120s;
(6) maintenance: shaping brick watering maintenance 28 days.
Wherein step (4), the composition of its optimum be add 4.5% Na 2siO 3rolling after stirring with water and slag, then the cement, the lime of 13.7%, the gypsum of 4.3% and the water that add 3.7% stir;
Wherein step (5), optimum condition of molding is forming pressure is 20MPa, clamping time 60s, the dwell time is 120s.
Slag of the present invention is hidden active substance, adds activator Na 2siO 3after excite it active, add in the material of common brickmaking, the intensity of made brick be the 2-3 of common brick intensity doubly.
Specific embodiment
This domestic waste incineration residue prepares the non-burning brick method of high strength, and concrete technology step is:
(1) cold filtration: carry out water cooling to the slag after consumer waste incineration, washes the soil in slag off simultaneously; Pressure filtration is carried out to cooled slag, leaches unnecessary water;
(2) category filter: isolate the metallics in slag and Large stone material;
(3) ball-milling processing: the ball-milling processing of the slag of isolated more than particle diameter 0.3mm being carried out to 2-5min, the slag after ball milling sieves again, and so circulation is until uniform particle sizes;
(4) stir: the Na first adding 4%-5% 2siO 3rolling after stirring with water and slag, then add the cement of 3%-4%, the lime of 13%-14%, the gypsum of 4%-5% and water and stir; Add stirring at twice, raw material mixture homogeneity is higher, and the unfired brick quality in such later stage is high;
(5) shaping: enter hydraulic brick making machine by the raw material after step (4) stirs shaping, forming pressure is 20MPa, clamping time 50-80s, the dwell time is 120s;
(6) maintenance: shaping brick watering maintenance 28 days.
Wherein step (4), the composition of its optimum be add 4.5% Na 2siO 3rolling after stirring with water and slag, then the cement, the lime of 13.7%, the gypsum of 4.3% and the water that add 3.7% stir;
Wherein step (5), optimum condition of molding is forming pressure is 20MPa, clamping time 60s, the dwell time is 120s.
Final finished: each metal leaching rate of the unburned pavior brick of slag all reaches surface water standard, folding strength and ultimate compression strength reach 3.12MPa and 23.19MPa, meet folding strength in " domestic waste incineration residue baking-free wall brick (company standard) " and are greater than the standard that 1.9MPa and ultimate compression strength is greater than 11MPa.

Claims (3)

1. domestic waste incineration residue prepares the non-burning brick method of high strength, it is characterized in that concrete technology step is:
(1) cold filtration: carry out water cooling to the slag after consumer waste incineration, washes the soil in slag off simultaneously; Pressure filtration is carried out to cooled slag, leaches unnecessary water;
(2) category filter: isolate the metallics in slag and Large stone material;
(3) ball-milling processing: the ball-milling processing of the slag of isolated more than particle diameter 0.3mm being carried out to 2-5min, the slag after ball milling sieves again, and so circulation is until uniform particle sizes;
(4) stir: the Na first adding 4%-5% 2siO 3rolling after stirring with water and slag, then add the cement of 3%-4%, the lime of 13%-14%, the gypsum of 4%-5% and water and stir;
(5) shaping: enter hydraulic brick making machine by the raw material after step (4) stirs shaping, forming pressure is 20MPa, clamping time 50-80s, the dwell time is 120s;
(6) maintenance: shaping brick watering maintenance 28 days.
2. domestic waste incineration residue according to claim 1 prepares the non-burning brick method of high strength, it is characterized in that step (4) be add 4.5% Na 2siO 3rolling after stirring with water and slag, then the cement, the lime of 13.7%, the gypsum of 4.3% and the water that add 3.7% stir.
3. domestic waste incineration residue according to claim 1 prepares the non-burning brick method of high strength, it is characterized in that step (5) is that to enter hydraulic brick making machine by the raw material after step (4) stirs shaping, forming pressure is 20MPa, clamping time 60s, the dwell time is 120s.
CN201511007311.1A 2015-12-30 2015-12-30 Method for preparing high-strength baking-free brick from domestic refuse incinerator slag Pending CN105481336A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201511007311.1A CN105481336A (en) 2015-12-30 2015-12-30 Method for preparing high-strength baking-free brick from domestic refuse incinerator slag

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201511007311.1A CN105481336A (en) 2015-12-30 2015-12-30 Method for preparing high-strength baking-free brick from domestic refuse incinerator slag

Publications (1)

Publication Number Publication Date
CN105481336A true CN105481336A (en) 2016-04-13

Family

ID=55668664

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201511007311.1A Pending CN105481336A (en) 2015-12-30 2015-12-30 Method for preparing high-strength baking-free brick from domestic refuse incinerator slag

Country Status (1)

Country Link
CN (1) CN105481336A (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108439874A (en) * 2018-06-12 2018-08-24 上海秦望环保材料有限公司 It is a kind of to produce non-burning brick preparation process using domestic waste incineration residue
CN108817036A (en) * 2018-06-12 2018-11-16 合肥荣桂环保科技有限公司 A kind of waste incineration slag processing method
CN109437206A (en) * 2018-09-29 2019-03-08 盐城工学院 A kind of method that urban domestic garbage incinerator slag purifies step by step
CN110092633A (en) * 2019-06-03 2019-08-06 郑州绿清环保科技有限公司 A kind of brick and preparation method thereof
CN110757618A (en) * 2019-10-31 2020-02-07 梁品 Method for producing baking-free bricks by comprehensively utilizing furnace slag
CN112549252A (en) * 2020-12-09 2021-03-26 佛山市绿富域环保科技有限公司 Preparation process of ecological brick taking household garbage incinerator slag as raw material
CN113414001A (en) * 2021-06-17 2021-09-21 赣州富邦冶金机械有限公司 Special metal sorting system and process for slag of municipal solid waste incineration power plant
CN113860784A (en) * 2021-11-02 2021-12-31 惠州市惠政新材料科技有限公司 Powder admixture and concrete containing same
CN113896446A (en) * 2021-11-02 2022-01-07 惠州市惠政新材料科技有限公司 Preparation method of powder admixture and concrete containing powder admixture

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1429788A (en) * 2001-12-29 2003-07-16 张乃嬿 Method of combining house refuse and concrete and its regenerated construction material product
CN1500759A (en) * 2002-11-14 2004-06-02 张文秦 Environment-friendly type composite light weight building materials and products made from garbage and method for manufacturing the same
CN101486550A (en) * 2008-01-16 2009-07-22 新立基（北京）建材有限公司 Domestic garbage prefabricated part and method of manufacturing the same
CN101948286A (en) * 2010-10-13 2011-01-19 广东绿由环保科技股份有限公司 Aerated concrete building block produced by using ceramic waste and manufacturing method thereof
CN102060493A (en) * 2010-11-10 2011-05-18 华南理工大学 Method for preparing unburned slag wall bricks by utilizing household garbage burned slag
CN103964801A (en) * 2014-02-25 2014-08-06 内蒙古蒙西鄂尔多斯铝业有限公司 Method for preparing baking-free brick or building block by aluminum oxide by-product extracted from coal ash

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1429788A (en) * 2001-12-29 2003-07-16 张乃嬿 Method of combining house refuse and concrete and its regenerated construction material product
CN1500759A (en) * 2002-11-14 2004-06-02 张文秦 Environment-friendly type composite light weight building materials and products made from garbage and method for manufacturing the same
CN101486550A (en) * 2008-01-16 2009-07-22 新立基（北京）建材有限公司 Domestic garbage prefabricated part and method of manufacturing the same
CN101948286A (en) * 2010-10-13 2011-01-19 广东绿由环保科技股份有限公司 Aerated concrete building block produced by using ceramic waste and manufacturing method thereof
CN102060493A (en) * 2010-11-10 2011-05-18 华南理工大学 Method for preparing unburned slag wall bricks by utilizing household garbage burned slag
CN103964801A (en) * 2014-02-25 2014-08-06 内蒙古蒙西鄂尔多斯铝业有限公司 Method for preparing baking-free brick or building block by aluminum oxide by-product extracted from coal ash

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108439874A (en) * 2018-06-12 2018-08-24 上海秦望环保材料有限公司 It is a kind of to produce non-burning brick preparation process using domestic waste incineration residue
CN108817036A (en) * 2018-06-12 2018-11-16 合肥荣桂环保科技有限公司 A kind of waste incineration slag processing method
CN109437206A (en) * 2018-09-29 2019-03-08 盐城工学院 A kind of method that urban domestic garbage incinerator slag purifies step by step
CN110092633A (en) * 2019-06-03 2019-08-06 郑州绿清环保科技有限公司 A kind of brick and preparation method thereof
CN110757618A (en) * 2019-10-31 2020-02-07 梁品 Method for producing baking-free bricks by comprehensively utilizing furnace slag
CN112549252A (en) * 2020-12-09 2021-03-26 佛山市绿富域环保科技有限公司 Preparation process of ecological brick taking household garbage incinerator slag as raw material
CN113414001A (en) * 2021-06-17 2021-09-21 赣州富邦冶金机械有限公司 Special metal sorting system and process for slag of municipal solid waste incineration power plant
CN113414001B (en) * 2021-06-17 2022-03-25 赣州富邦冶金机械有限公司 Special metal sorting system and process for slag of municipal solid waste incineration power plant
CN113860784A (en) * 2021-11-02 2021-12-31 惠州市惠政新材料科技有限公司 Powder admixture and concrete containing same
CN113896446A (en) * 2021-11-02 2022-01-07 惠州市惠政新材料科技有限公司 Preparation method of powder admixture and concrete containing powder admixture

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Application publication date: 20160413

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