CN101407383A - Gel material for consolidating wastes and method for preparing construction material - Google Patents

Gel material for consolidating wastes and method for preparing construction material Download PDF

Info

Publication number
CN101407383A
CN101407383A CNA2008102019257A CN200810201925A CN101407383A CN 101407383 A CN101407383 A CN 101407383A CN A2008102019257 A CNA2008102019257 A CN A2008102019257A CN 200810201925 A CN200810201925 A CN 200810201925A CN 101407383 A CN101407383 A CN 101407383A
Authority
CN
China
Prior art keywords
gelling
waste
construction
order
prepared
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
CNA2008102019257A
Other languages
Chinese (zh)
Inventor
陈兵
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.)
Shanghai Jiaotong University
Original Assignee
Shanghai Jiaotong University
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 Shanghai Jiaotong University filed Critical Shanghai Jiaotong University
Priority to CNA2008102019257A priority Critical patent/CN101407383A/en
Publication of CN101407383A publication Critical patent/CN101407383A/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/34Compositions 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 cold phosphate binders
    • C04B28/342Compositions 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 cold phosphate binders the phosphate binder being present in the starting composition as a mixture of free acid and one or more reactive oxides
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/91Use of waste materials as fillers for mortars or concrete

Abstract

The invention relates to a gel material used for concreting wastes and a preparation method of a building material in the technical field of the building material. The components and weight percentages of the gel material used for concreting the waste are as follows: 42.5-57.0 percent of metal oxide powder, 2.75-7.5 percent of concretion regulating material and 40-50 percent of phosphoric acid solution. The gel material is prepared by metal oxide, the concretion regulating material and phosphoric acid, and through chemical reaction between the metal oxide and the phosphoric acid, a chemical bond is formed and generates a crystal which concretes the waste and forms various building materials. The gel material can deal with various wastes including solid waste in city life, industrial waste, EPS foam plastic granules, sawdust and slurry waste on a large scale, and transform the wastes into various useful building materials, thus greatly reducing secondary pollution of the solid wastes to the environment.

Description

Gelling material and preparation material of construction method in order to fixed waste
Technical field
What the present invention relates to is a kind of gelling material and preparation material of construction method in order to fixed waste of building material technical field.
Background technology
Along with development of modern industry and human production activity constantly continue, will constantly there be a large amount of wastes to occur, as the waste in the Industrial processes flyash, slag are arranged, contain the mud of different heavy metals etc., the urban life solid refuse has the foam of packing box etc. and agricultural to go up all kinds of wastes such as straw, sawdust etc.These wastes some can recycling, some then can not be recycled, as depleted foam and mud that contains different heavy metals etc.The processing of relevant these wastes, people adopt methods such as landfill or burning always for many years.But these treatment processs have been brought harm in various degree to environment, need take a large amount of arable lands as landfill, burn then to discharge a large amount of toxic gas contaminate environment.Therefore, the various countries scholar has proposed the new refuse processing method of many differences by effort, as the biological degradation and the Cement industry utilization of turning waste into wealth, wherein is typically the most and is processed into material of construction.
Find through literature search prior art, patent publication No.: CN02116674.91, patent name: converting urban solid waste into building material and preparation method thereof, this patent proposes municipal solid wastes through pre-treatment, then through the glued maintenance formation of synthetic catalysis peptizer material of construction.The patent No.: CN 02116672.2 and for example, patent name: a kind ofly be used for catalysis peptizer and the application thereof that solid waste changes into material of construction, this patent has proposed corresponding catalysis peptizer according to different solid waste, and the technology that solid waste is converted into material of construction has striden forward major step.But from disclosed technical information, the required starting material complexity of its prepared catalysis peptizer contains some high molecular polymers, and waste preprocessing process complexity.In addition, also having some patents to propose to utilize rubbish to produce building brick, is 02151561.1 and 03119143.6 patent application as application number, and all having adopted with cement is main agglutination material, be equipped with other raising cohesive strength material, with the glued one-tenth of treated rubbish brick material.The method that this patent proposes at rubbish mainly be some building wastes, and applicable surface is limited, is difficult to be extensive use of.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art, a kind of gelling material and preparation material of construction method in order to fixed waste is provided, and this gelling material can thoroughly solve various cities, industry and agricultural wastes and it is converted into all kinds of material of construction on a large scale.The present invention is used to produce light wall material with depleted eps foam, sawdust etc., and it has heat insulating and good mechanical performance etc.The present invention can be machined for the mud that contains heavy metal the foundation stone or the azulejo of road engineering at normal temperatures.
The present invention is achieved by the following technical solutions:
Gelling material in order to fixed waste involved in the present invention:
Its component and weight percent are:
Metal oxide powder 42.5-57.0%
Transfer gel material 2.75-7.5%
Phosphoric acid solution 40-50%.
Described metal oxide powder can select for use burned magnesium oxide, calcium oxide, ferric oxide, ferric oxide, aluminium sesquioxide etc. wherein one or more, preferentially selected burned magnesium oxide for use.
Described accent gel material can be selected boric acid, borax, citric acid for use, preferentially selects boric acid powder for use.
Described phosphoric acid solution is the phosphoric acid solution of dilution, and its volumetric concentration is controlled at about 50%.
The preparation material of construction method of gelling material in order to fixed waste involved in the present invention:
At first metal oxide powder being formed powder mixture with transferring the abundant mix of gel material, wherein transfer the mass ratio of gel material and metal oxide to be strict controlled between 5: 95 and 15: 85, was good with 10: 90; Then the abundant mix of the phosphoric acid of powder mixture and dilution is made slip.
May further comprise the steps:
1. solid waste is carried out preprocessing and handle, be processed into the grain diameter scope between 4-75umm;
2. take by weighing prepared gelling material 40-60 part, the 1. prepared solid waste 40-60 part of step by quality, mix and stir, observe while stirring, and add entry to form flowable slip according to flowability;
3. the slip that 2. step is prepared injects the die trial moulding and makes blank;
4. with blank natural curing 3-7 days, promptly obtain required material of construction.
This method obtains material of construction can be used to produce solid brick, hollow brick and road with colored brick etc., and it has enough intensity and favorable durability, can replace the materials for wall that uses in the present construction work.
The preparation material of construction method of gelling material in order to fixed waste involved in the present invention:
May further comprise the steps:
1. with depleted eps foam or sawdust, be processed into strip or fibrous;
2. by volume measure prepared gelling material 40-60 part, 1. prepared eps foam or the sawdust 40-60 part of step, mix and stir, observe while stirring, and add entry to form flowable slip according to flowability;
3. the slip that 2. step is prepared injects die trial and makes blank by extrusion molding;
4. with blank natural curing 3-7 days, promptly obtain required material of construction.
This method obtains material of construction can be used to produce heat insulating partition plate and building block, it has good thermal and insulating performance, lightweight and has certain compression strength and favorable durability again, can be used to replace all kinds of fly ash building blocks that present construction market uses and porous building-brick etc.
The preparation material of construction method of gelling material in order to fixed waste involved in the present invention:
May further comprise the steps:
1. take by weighing the higher mud shape waste 40-60 part of prepared gelling material 40-60 part, water content by quality, mix and stir, observe while stirring, and add entry to form flowable slip according to flowability;
2. the slip that 1. step is prepared injects the die trial moulding and makes blank;
3. with blank natural curing 3-7 days, promptly obtain required material of construction.
This method obtains the solid or hollow enclosure wall brick that material of construction can be used to produce different size, the hard shoulder that road is used, base course, highway foundation stone, land for roads brick, paving tile and Piled Mountain Landscape on Construction etc., it has enough intensity and favorable durability, can be as all kinds of concrete substitutes of using in the present construction work.
The present invention utilizes metal oxide and phosphoric acid solution mix to form slip, behind the abundant mix of waste, through complicated chemical reaction, forms the xln of compact structure, and material of construction is stably fixed and formed to waste.
The invention has the advantages that: adopt a kind of fairly simple technology and chemical treatment method that different wastes are processed into the material of construction of excellent performance, the nontoxic non-secondary pollution for the treatment of processes and be easy to realize.Utilization of the present invention be metal oxide and phosphoric acid generation chemical reaction, form the xln of compact structure and waste firmly fixed.The present invention can handle all kinds of wastes on a large scale, reduce waste widely to second environmental pollution, has advantages such as " regeneration are reproduced, technology is easy, expense cheap ", also these wastes are made the material of construction that is fit to different field according to its characteristics simultaneously, realized the raising utilization of resources, turn waste into wealth, reduce waste and pile up, purify characteristics such as global environment.
Embodiment
Below embodiments of the invention are elaborated: present embodiment is being to implement under the prerequisite with the technical solution of the present invention, provided detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
Embodiment 1
Taking by weighing 50% concentration by mass ratio is 50% phosphoric acid solution, 45% magnesium oxide powder and 5% boric acid powder.With load weighted magnesium oxide powder and boric acid powder fully stir form powder mixture after, phosphoric acid solution added to continue to stir form slip.
Take by weighing 40 kilograms of the pretreated Shanghai of process factory solid waste, 60 kilograms of above-mentioned slips of joining, add in the agitator kettle and stir, in stirring, add 5 kilograms of the water yields according to flowability, after waiting to stir fully, be poured in the die trial that is of a size of 150 * 150 * 150mm, maintenance at room temperature is after 7 days, carry out intensity test, its intensity is 40MPa.
This method obtains slip and can be used for producing solid brick and hollow brick etc., and it has enough intensity and favorable durability, can replace the clay brick that uses in the present construction work and concrete segment etc.
Embodiment 2
Taking by weighing 40% concentration by mass ratio is 50% phosphoric acid solution, 51% aluminium sesquioxide powder and 6% borax powder.With load weighted aluminium sesquioxide powder and borax powder fully stir form powder mixture after, phosphoric acid solution added to continue to stir form slip.
By volume take by weighing through 50 parts of pretreated waste EPS particles, 50 parts of above-mentioned slips of joining add in the agitator kettle and stir, wait to stir fully after, be poured in the die trial that is of a size of 150 * 150 * 150mm and apply 0.5MPa pressure and keep moulding.After the maintenance at room temperature 7 days, carry out intensity test, its intensity is 15MPa.
This method obtains slip can be used to produce EPS building block or EPS concrete insulation board, and it has enough intensity and favorable durability, is used for replacing all kinds of heat insulating sheet materials and the materials for wall that present construction work is used.
Embodiment 3
Taking by weighing 45% concentration by mass ratio is 50% phosphoric acid solution, 52.25% croci and 2.75% citric acid powder.With load weighted croci and citric acid powder fully stir form powder mixture after, phosphoric acid solution added to continue to stir form slip.
Take by weighing 40 kilograms in the sedimentary mud of Shanghai Sewage Plant, 60 kilograms of above-mentioned slips of joining add in the agitator kettle and stir, after waiting to stir fully, be poured in the die trial that is of a size of 150 * 150 * 150mm, maintenance at room temperature is after 7 days, carry out intensity test, its intensity is 20MPa.
This method obtains slip can be used to produce hard shoulder, base course, highway foundation stone, land for roads brick, paving tile and the Piled Mountain Landscape on Construction etc. that road is used, it has enough intensity and favorable durability, can be as all kinds of concrete substitutes of using in the present construction work.
Embodiment 4
Taking by weighing 50% concentration by mass ratio is 50% phosphoric acid solution, 42.5% magnesium oxide powder and 7.5% boric acid powder.With load weighted croci and citric acid powder fully stir form powder mixture after, phosphoric acid solution added to continue to stir form slip.
Take by weighing 60 kilograms in the III flyash of Wu Jing power station, Shanghai discharging, 40 kilograms of above-mentioned slips of joining, add in the agitator kettle and stir, in stirring, add 5 kilograms of the water yields according to flowability, after waiting to stir fully, be poured in the die trial that is of a size of 150 * 150 * 150mm, maintenance at room temperature is after 7 days, carry out intensity test, its intensity is 45Mpa.
This method obtains slip and can be used to produce solid brick and hollow brick etc., and it has enough intensity and is used for bearing wall and favorable durability, can be used as the clay brick that uses in the present construction work and the substitute of concrete segment.
Embodiment 5
Taking by weighing 40% concentration by mass ratio is 50% phosphoric acid solution, 57% magnesium oxide powder and 3.0% borax powder.With load weighted magnesium oxide powder and borax powder fully stir form powder mixture after, phosphoric acid solution added to continue to stir form slip.
By volume take by weighing 50 parts in Shanghai Furniture Factory sawdust, 50 parts of above-mentioned slips of joining, add in the agitator kettle and stir, in stirring, add 3 kilograms of the water yields according to flowability, after waiting to stir fully, be poured in the die trial that is of a size of 150 * 150 * 150mm and apply 0.5MPa pressure and keep moulding, maintenance at room temperature is after 7 days, carry out intensity test, its intensity is 18Mpa.
This method obtains slip can be used to produce the building block that imitated wood material Load-bearing box bar, load-bearing pallet and thermal insulation thermal insulation board and partition wall are used.This material has favorable durability and certain intensity, satisfies its engineering demand, as the substitute of existing market corresponding product.

Claims (9)

1, a kind of gelling material in order to fixed waste is characterized in that, component that comprises and weight percent are:
Metal oxide powder 42.5-57.0%
Transfer gel material 2.75-7.5%
Phosphoric acid solution 40-50%.
2, the gelling material in order to fixed waste as claimed in claim 1 is characterized in that, described metal oxide powder was selected in burned magnesium oxide, calcium oxide, ferric oxide, ferric oxide, the aluminium sesquioxide one or more for use.
3, the gelling material in order to fixed waste as claimed in claim 1 or 2 is characterized in that, described metal oxide powder was selected burned magnesium oxide for use.
4, the gelling material in order to fixed waste as claimed in claim 1 is characterized in that, described accent gel material is selected for use in boric acid, borax, the citric acid a kind of.
5, as claim 1 or 4 described gelling material, it is characterized in that described accent gel material is selected borax powder for use in order to fixed waste.
6, the gelling material in order to fixed waste as claimed in claim 1 is characterized in that, described phosphoric acid solution is the phosphoric acid solution of dilution, and its volumetric concentration is controlled at about 50%.
7, a kind of preparation material of construction method of the gelling material in order to fixed waste as claimed in claim 1 is characterized in that, may further comprise the steps:
1. solid waste is carried out preprocessing and handle, be processed into the grain diameter scope between 4-75umm;
2. take by weighing prepared gelling material 40-60 part, the 1. prepared solid waste 40-60 part of step by quality, mix and stir, observe while stirring, and add entry to form flowable slip according to flowability;
3. the slip that 2. step is prepared injects the die trial moulding and makes blank;
4. with blank natural curing 3-7 days, promptly obtain required material of construction.
8, a kind of preparation material of construction method of the gelling material in order to fixed waste as claimed in claim 1 is characterized in that, may further comprise the steps:
1. with depleted eps foam or sawdust, be processed into strip or fibrous;
2. by volume measure prepared gelling material 40-60 part, 1. prepared eps foam or the sawdust 40-60 part of step, mix and stir, observe while stirring, and add entry to form flowable slip according to flowability;
3. the slip that 2. step is prepared injects die trial and makes blank by extrusion molding;
4. with blank natural curing 3-7 days, promptly obtain required material of construction.
9, a kind of preparation material of construction method of the gelling material in order to fixed waste as claimed in claim 1 is characterized in that, may further comprise the steps:
1. take by weighing prepared gelling material 40-60 part, mud shape waste 40-60 part by quality, mix and stir, observe while stirring, and add entry to form flowable slip according to flowability;
2. the slip that 1. step is prepared injects the die trial moulding and makes blank;
3. with blank natural curing 3-7 days, promptly obtain required material of construction.
CNA2008102019257A 2008-10-30 2008-10-30 Gel material for consolidating wastes and method for preparing construction material Pending CN101407383A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNA2008102019257A CN101407383A (en) 2008-10-30 2008-10-30 Gel material for consolidating wastes and method for preparing construction material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNA2008102019257A CN101407383A (en) 2008-10-30 2008-10-30 Gel material for consolidating wastes and method for preparing construction material

Publications (1)

Publication Number Publication Date
CN101407383A true CN101407383A (en) 2009-04-15

Family

ID=40570626

Family Applications (1)

Application Number Title Priority Date Filing Date
CNA2008102019257A Pending CN101407383A (en) 2008-10-30 2008-10-30 Gel material for consolidating wastes and method for preparing construction material

Country Status (1)

Country Link
CN (1) CN101407383A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101863630A (en) * 2010-07-02 2010-10-20 上海交通大学 Gelled material for preparing baking-free bricks and preparation and application method thereof
CN103289703A (en) * 2013-07-05 2013-09-11 浙江工业大学 Early-strength soil solidifying agent and manufacturing method and application for same
CN107555822A (en) * 2017-09-07 2018-01-09 深圳大学 A kind of sludge base potassium magnesium phosphate cement and preparation method thereof
CN107827381A (en) * 2017-11-27 2018-03-23 固岩科技发展有限公司 A kind of magnesium phosphate gelling agent and binder materials
CN107954620A (en) * 2017-12-12 2018-04-24 安徽宇瑞环保建设有限公司 A kind of Application way to sludge in sewage treatment plant
CN110183202A (en) * 2019-05-06 2019-08-30 宁波工程学院 A kind of unburned ecological brick and preparation method thereof of subway engineering discarded slurry preparation

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101863630A (en) * 2010-07-02 2010-10-20 上海交通大学 Gelled material for preparing baking-free bricks and preparation and application method thereof
CN103289703A (en) * 2013-07-05 2013-09-11 浙江工业大学 Early-strength soil solidifying agent and manufacturing method and application for same
CN107555822A (en) * 2017-09-07 2018-01-09 深圳大学 A kind of sludge base potassium magnesium phosphate cement and preparation method thereof
CN107827381A (en) * 2017-11-27 2018-03-23 固岩科技发展有限公司 A kind of magnesium phosphate gelling agent and binder materials
CN107954620A (en) * 2017-12-12 2018-04-24 安徽宇瑞环保建设有限公司 A kind of Application way to sludge in sewage treatment plant
CN110183202A (en) * 2019-05-06 2019-08-30 宁波工程学院 A kind of unburned ecological brick and preparation method thereof of subway engineering discarded slurry preparation
CN110183202B (en) * 2019-05-06 2021-08-06 宁波工程学院 Baking-free ecological brick prepared from waste slurry of subway engineering and preparation method thereof

Similar Documents

Publication Publication Date Title
CN102584322B (en) Preparation method for pulverized coal-ash-based porous artificial stone
CN101407383A (en) Gel material for consolidating wastes and method for preparing construction material
CN101570426A (en) Geo-polymer recycled concrete and preparation method thereof
CN102584176B (en) Method for preparing ceramic wall and floor tile by utilizing construction waste
CN102875188B (en) Magnesite slag aerating brick and preparation method thereof
CN102875184A (en) Oil shale residue aerated brick and preparation method thereof
CN101805204A (en) Shale, water-containing sludge, biomass ceramsite and production method thereof
CN101863630A (en) Gelled material for preparing baking-free bricks and preparation and application method thereof
CN102108026A (en) Novel haydite concrete light-weight building block walling material and preparation method thereof
CN102765918A (en) Method for manufacturing aerated building blocks by doped navajoite tailings
CN102329111B (en) Lightweight brick manufactured by utilizing printing and dyeing sludge and manufacturing method thereof
CN103265192A (en) Method for producing lightweight partition board by sulfur fixation fly ash
CN102765909A (en) Method for manufacturing aerated hollow bricks by abandoned construction waste
CN102336544B (en) Lightweight wallboard manufactured by using urban sludge and manufacturing method for lightweight wallboard
CN102329117B (en) Lightweight wallboard manufactured by utilizing paper mill sludge and manufacturing method thereof
CN102093007A (en) Silica sand powder-doped concrete light-weight building block novel walling material and preparation method thereof
CN101362360B (en) Method for pressing civil engineering block from sludge solidification material
CN102863249B (en) Method for preparing aerated bricks by utilizing ceramic waste
CN102329116B (en) Light-weight wallboard manufactured by utilizing sludge from pond and manufacturing method thereof
CN103922652A (en) Method of preparing aerated concrete by utilizing water-quenched manganese slag
CN101302085A (en) Building block made from garbage and production method thereof
CN102329115B (en) Lightweight wallboard manufactured by utilizing sugar mill sludge and manufacturing method thereof
CN102329108B (en) Lightweight wallboard manufactured by utilizing fly ash and manufacturing method thereof
CN102329109A (en) Light brick manufactured from pond sludge and manufacturing method thereof
CN100431996C (en) Autoclaved and aerated stone powder building blocks and its production method

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Open date: 20090415