CN1451493A

CN1451493A - Building refuse treatment, and method for making building material and product

Info

Publication number: CN1451493A
Application number: CN02108866A
Authority: CN
Inventors: 王旭
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-04-16
Filing date: 2002-04-16
Publication date: 2003-10-29
Anticipated expiration: 2022-04-16
Also published as: CN100364675C

Abstract

A process for preparing building material from the building refuse includes crushing big concrete blocks to obtain small blocks, rough grinding to obtain cobbles and powder, rough grinding of other components to obtain cobbles and powder, mixing said powder, fine grinding, mixing with cementing agent, filler, additive and water, stirring, shaping and curing.

Description

The method of building materials and goods is handled and made to a kind of building waste

The present invention relates to a kind of processing of building waste and the method for making construction material and goods.

Along with quickening of urbanization process, the old building and the structures that need to remove get more and more.For the processing of these building wastes, except landfill, stack, do the basis and bed course of building, the research of doing construction material and regeneration concrete was arranged also in recent years.The article comparatively approaching with the present invention has " construction refuse regenerated technological approaches "; 43 pages of " environmental protection " 1999 the 10th phases, propose " as long as by fragmentation, screening, grinding, adding auxiliary material, moulding process, unburned, non-evaporatingly just can make reconstituted product." technology path; The present invention is different with this technology path to be: 1, the present invention is the specific implementation method of building waste being carried out regeneration.2, the present invention is the method that a kind of classification of building waste is handled.3, one of technical essential of the present invention is that the building waste that will mix mixes corase grind earlier, to grind off by cement-hydrate and the formed cementing material of sand on the stone or a hard concrete material be formed class stone shape particle by corase grind by corase grind, thereby form good stone class building materials; This is that prior art does not have with stone with the method for powder mix grinding.Article related to the present invention also has: " the building waste comprehensive utilization is imperative " on " regenerated resources research " the 2nd phase in 1999; " Building technology exploitation " " development and utilization of building waste " in December, 2000; " the comprehensive reutilization approach of the construction material that garbage waste is done " on " Building technology " 2000 the 5th phases; " processing of building waste " on " building technology information " 1998 (1)-11-14; " utilizing building waste to produce light block " on " building block and wallboard " the 4th phase of calendar year 2001; In more than totally 20 piece of article.In these articles, all mentioned regenerated utilization of building waste, but with regard to its concrete method of implementing, still different with the method for hierarchical processing method of the present invention and stone and powder mix grinding.Handle relevant patent with building waste by retrieval and record 40 remainders, patent wherein related to the present invention has: publication number: CN1072160, and name is called " non-burning blocks with building refuse and manufacture method thereof "; Publication number: CN1135380, name is called " garbage cleaning and processing technology "; Publication number: CN1298772, name is called " processing of building waste and regeneration method "; Method in these patents is different with powder mix grinding method with hierarchical processing method of the present invention and stone.

The object of the present invention is achieved like this:

When handling and making construction material and goods for building waste, a, the armored concrete waste material secondary blasting to bulk, Mechanical Crushing, machinery hammering or artificial the hammering are decomposed into fritter with it, and reinforcing bar are wherein peeled off the back put in order bundled; The concrete disintegrating slag and the powder that are decomposed into fritter are transported to and put in the kibbling mill and roughly grind, and form first order compound; With the stone in this compound and a stone shape material separates with first order powder and place respectively, stone and stone shape particle are washed sieve classification, the waste water after the flushing enters the sedimentation basin separating clarifying, and water and pond mud reclaim respectively; First order powder send atomizer mill; B, to brick, watt, original little block concrete, air entrained concrete piece, floor tile and walltile, glass these contain that timber, plastics, metal separation in the building waste of multiple components goes out and taxonomic revision is put in addition; Separate remaining bulk that mixes in back and powdery building waste and send the kibbling mill corase grind, form second level compound; Wherein stone and stone shape particle are separated with second level powder, and placement is sorted out in stone and stone shape particle flushing screening back; Waste water and pond mud reclaim respectively, and second level powder send atomizer mill; C, the first order of delivering to the atomizer mill place and second level powder are put into and are carried out mix grinding in the atomizer mill after carrying out the thick assembly first time by the required requirement of production building product, form third level compound; D, in third level compound, carry out assembly second time, need to add cementitious matter, inserts, compound and water this moment, formation fourth stage compound by the requirement of producing building product; After e, fourth stage compound stir, be shaped to building product with compacting, pressurization and vibration, one of the four kinds of molding modes that vibrate, vibrate.

If when having only one of first order powder or second level powder, one of first order powder or second level powder can be directly and cementitious matter, inserts, compound carry out the assembly second time, formation fourth stage compound.Cementitious matter in fourth stage compound, inserts, compound also can be dosed in advance and carry out mix grinding in the third level compound.When forming second level compound, the time and the intensity of control corase grind, make brick and tile, air entrained concrete piece, floor tile and walltile 80% with interior part, also can be retained as graininess.When forming fourth stage compound, can mix the first order and second level powder.In fourth stage compound, also can add stone, stone shape particle and sand.

The technological process of production is as follows:

Decompose the mass concrete waste material, peel off reinforcing bar and put in order bundledly, mix grinding concrete disintegrating slag and powder form first order compound, separate stone and powder in the compound, and place respectively; Flushing stone and sieve classification, waste water reclaims, and first order powder send atomizer mill;

Separate timber, plastics, ironware in the building waste except that mass concrete, mix grinding residue building waste forms second level compound, separate stone, stone shape particle and powder, flushing stone and stone shape particle reclaim waste water, and second level powder send atomizer mill;

Mix grinding behind the assembly first order and the second level compound forms third level compound; Carry out the assembly second time, form fourth stage compound; Also can add big handstone or stone shape particle this moment.

Stir the blanks and moulding and conserving piling.

The present invention is compared with prior art: 1, building waste is carried out classification and handle, be applicable to the building waste that intractability is different; Different powders after classification is handled carry out mix grinding after the assembly first time, help improving the homogenieity of material, help improving the quality of building material product.2, stone and powder mix grinding can obtain the stone and the stone shape particle of quality better and the more powder of active ingredient.3, the systematization of whole regeneration production process is integrated, does not produce secondary pollution in its process, and waste material waste water is all recyclable.

Purpose of the present invention is to be the thoroughly pollution of elimination building waste in environment, and makes full use of its useful construction material composition, turns waste into wealth, and a kind of utilization rate height is provided, and processing procedure does not produce the method for pollution to environment.

The present invention will be further described with embodiment below:

Embodiment 1: roll over the brick mixed building that removes to one, relatively large concrete beam plate personnel selection hammers such as beam slab are pounded into little block concrete, it is bundled that reinforcing bar is wherein isolated arrangement, and little block concrete and nearby powder and other particles are put in the kibbling mill, form first order compound through the corase grind back; Stone in the compound is separated with powder with a hard stone shape concrete material; Stone and the flushing of stone shape concrete particle are sieved, and sort out placement by the classified back of grain, and water enters sedimentation basin and recycles, and first order powder is gone into jar.Timber in other construction wastes, plastics, metal ironware are sieved out, and arrangement is sorted out; Waste materials such as remaining brick, little block concrete and fragment mortar, wall floor tile, glass, soil are put in the kibbling mill, carry out becoming second level compound behind the mix grinding; Handle by the method in the first order compound with the stone in the compound of the second level and with powder, placement is sorted out in stone and the flushing of stone shape concrete particle, and second level powder is gone into jar, reclaims waste water.

With first order powder, second level powder, to drop into atomizer mill after 0.35: 0.65 the ratio assembly, also can add flyash or slag (inserts), quick lime (one of cementitious matter) at this moment, with 0.20 (first order powder): 0.40 (second level powder): drop into fine grinding in the atomizer mill after 0.22: 0.18 the ratio assembly, form third level compound.

In third level compound, add cement (cementitious matter two), sodium metasilicate (cementitious matter three) and be the compound of Main Ingredients and Appearance with the calcium lignosulfonate by necessary requirement, form fourth stage compound, add entry, after the stirring, drop into pressurization and vibration moulding in the porous brick make-up machine, make porous brick, the piling maintenance.

Embodiment 2: the brick mixed building among the embodiment 1, if the quantity of beam slab is few, beam slab fragment after hammer can being pounded is directly sneaked in the construction waste, these mixing wastes are put in the kibbling mill, the corase grind back forms second level compound, uses the method for embodiment 1 then, behind processing stone and the second level powder, directly use second level powder and cementitious matter, inserts, compound assembly, continue again to make porous brick or footway brick with the method for embodiment 1.

Embodiment 3: broken watt of the useless brick that will comparatively concentrate, after carrying out coarse crushing, put in the kibbling mill (as ball mill), the diameter of control time and steel ball, a material that makes the barreling in kibbling mill of broken brick and tile become near-spherical to differ in size, behind sieve classification, these material are put in the fourth stage compound of embodiment 1, produce light-weight hollow building block made by the method for embodiment 1.

Embodiment 4: in embodiment 1, get third level compound 50%, the first order and second level compound each 25%, form fourth stage compound major ingredient, add cementitious matter and compound among the embodiment 1 by necessary requirement again, make box-like building block by the method for embodiment 1.

Need to prove: cementitious matter can be an inorganic material, also can be the macromolecular organic compound material.

Claims

1, the method for a kind of processing of building waste and making construction material and goods is characterized by:

A, the armored concrete waste material of bulk is beaten with secondary blasting, Mechanical Crushing, machinery or the personnel selection hammer is beaten, it is decomposed into fritter, and will reinforcing bar wherein to separate the back arrangement bundled; The concrete disintegrating slag and the powder that are decomposed into fritter are transported to and put in the kibbling mill and roughly grind, and form first order compound; With the stone in this compound and a stone shape material separates with first order powder and place respectively, stone and stone shape particle are washed sieve classification, the waste water after the flushing enters the sedimentation basin separating clarifying, and water and pond mud reclaim respectively; First order powder send atomizer mill;

B, to brick, watt, original little block concrete, air entrained concrete piece, floor tile and walltile, glass these contain that timber, plastics, metal separation in the building waste of multiple components goes out and taxonomic revision is put in addition; Separate remaining bulk that mixes in back and powdery building waste and send the kibbling mill corase grind, form second level compound; Wherein stone and stone shape particle are separated with second level powder, and placement is sorted out in stone and stone shape particle flushing screening back; Waste water and pond mud reclaim respectively, and second level powder send atomizer mill;

C, the first order of delivering to the atomizer mill place and second level powder are put into and are carried out mix grinding in the atomizer mill after carrying out the thick assembly first time by the required requirement of production building product, form third level compound;

D, in third level compound, carry out assembly second time, need to add cementitious matter, inserts, compound and water this moment, formation fourth stage compound by the requirement of producing building product;

After e, fourth stage compound stir, be shaped to building product with compacting, pressurization and vibration, one of the four kinds of molding modes that vibrate, vibrate.

2, method according to claim 1, it is characterized in that: when having only one of first order powder or second level powder, one of first order powder or second level powder can be directly and cementitious matter, inserts, compound carry out the assembly second time, form fourth stage compound.

3, method according to claim 1 is characterized in that: the cementitious matter in fourth stage compound, inserts, compound can be dosed in advance and carry out mix grinding in the third level compound.

4, method according to claim 1 is characterized in that: when forming second level compound, the time and the intensity of control corase grind, make brick and tile, air entrained concrete piece, floor tile and walltile 80% with interior part, also can be retained as graininess.

5, method according to claim 1 is characterized in that: when forming fourth stage compound, can mix the first order and second level powder.

6, method according to claim 1 is characterized in that: can add stone, stone shape particle and sand in fourth stage compound.