CN102249643A

CN102249643A - Production technology for recycling industrial waste residues and organic solid waste

Info

Publication number: CN102249643A
Application number: CN2010101744947A
Authority: CN
Inventors: 周见文; 陈国顺
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-05-18
Filing date: 2010-05-18
Publication date: 2011-11-23

Abstract

The invention provides a production technology for recycling industrial waste residues and organic solid waste, and specially provides a production technology which is utilized for recovering and treating industrial coal slag, industrial mineral waste residues and crop organic rod materials and preparing them into multifunctional building materials. The production technology comprises the following steps of mixing uniformly crushed industrial slag, shale, gangue and water according to a certain proportion, carrying out a pressing process on the mixture to obtain semi-finished products, filling organic rod materials into the semi-finished products, carrying out extrusion molding, drying and calcination processes to realize a structural strength reaching to a standard requirement and to obtain a honeycomb structure. Multifunctional building materials produced by the production technology have the advantages of light weight, high strength and the like, can be utilized for flooring, building tops, markets and underground garages, and have excellent effects of moisture resistance, heat insulation and sound insulation.

Description

The production technique that is recycled of a kind of industrial residue and organic solid waste

Technical field type of the present invention relates to the material manufacturing technique that is recycled of a kind of industrial residue and organic solid waste.

Background technology is along with China worker, agricultural develops rapidly, the improving constantly of living standards of the people, and the contradiction of Economic development and resource environment is sharp-pointed day by day, and resource fork is unable to hold out, and environment can hold any more, and society holds and dares not accept, and Economic development will be obstructed.Only adhere to saving development, cleaning development, security developments, could realize sound and rapid economic growth.

Because China's industrial expansion and the level of consumption also in continuous raising, increase because of the solid waste that industrial development produced is also just corresponding so, these wastes have brought convenience to human habitat, have caused to environment to seriously influence; Also be like this in the agriculture production, China is a large agricultural country, the organic waste of remaining farm crop such as stalk were all lost the field after annual farm crop had been gathered in, rot to become the hotbed of mosquitos and flies and bacteria live breeding owing to the reason of rainwater and temperature is rotten, serious environment pollution, polluted underground water, the residue in farmland also influences the ventilation property in soil, makes crop production reduction etc.

For the refuse that reduces these workers, agricultural to the pollution of environment, dispose these wastes and reclaim and become treasured and being used, alleviating the threat that brings to environment greatly is that the China even the world are vital problems, is following trend of the times.

Summary of the invention

The purpose of patent of the present invention be exactly propose a kind of can be with the production technique that is recycled of industrial cinder, slag and farm crop organism stalk.Concrete its technological line that solves: will be through industrial slags, shale, coal gangue and the water pulverized, mix with after hydraulic pressure multibuchet reclaimer, twin shaft stirring forcing machine, send the two-stage vacuum brick extruding machine to suppress the work in-process of matrix with biaxial rneader according to certain ratio, the farm crop organism stalk that will crush is then delivered in the work in-process groove of matrix and is filled up groove with hydraulic pressure multibuchet reclaimer, fill the compound that adds industrial slags, shale, coal gangue and the water of pulverizing after finishing once more and squeeze out the finished product adobe with the two-stage vacuum brick extruding machine.After carrying out, adobe next just carries out tunnel like drying and calcination process.The roasting result not only can make the structural strength of brick reach code requirement simultaneously because high temperature makes the farm crop organism stalk at adobe center also with regard to carbonization, thereby make the brick embryo become a kind of cellular structure, that multi-functional sound insulation, protection against the tide, the environmental protection self-heat conserving floor material of construction of producing number in this way has is in light weight, structural strength big and the center is an entity that is full of porous carbide, be used for flooring, roof, and places such as market, underground garage, moistureproof, heat insulation, soundproof effect is splendid.

This technology material therefor comprises industrial slags, shale, coal gangue and water, reaches farm crop organism stalk, and equipment comprises that mechanical means comprises that mainly jaw crusher in small, broken bits, reversible hammer-crusher, biaxial rneader, hydraulic pressure multibuchet reclaimer, twin shaft stir forcing machine, two-stage vacuum brick extruding machine, automatic slitting shear machine, automatic blank cutter, automatic setting machine, hydraulic pressure kiln car pusher, hermetically drying kiln, tunnel roasting kiln etc.Burning till thermal source is to utilize the heat that the residual carbon burning produces in the feed coal spoil, supplies with the required heat of blank sintering.Excess electron excess fraction will be considered cogeneration after waste heat is treated full operation, so that more meet effect energy-conservation, low-carbon (LC), in order to guarantee product of production line quality and output, according to the material performance characteristics, this process using semihard is moulded extrusion moulding, once code burning process, mechanize Automatic Code base, tunnel like drying and roasting have improved the yield rate of product.

Main production technology process measure is raw material to be handled adopt compound (industrial slags, shale, coal gangue) to focus on, through jaw crusher coarse crushing, reaction type hammer crushing crusher machine (not being with sieve plate), pass through the sorting of 2mm vibratory screening apparatus then, minus mesh directly enters biaxial rneader and adds the water stirring; It is in small, broken bits that oversize enters reaction type hammer crushing crusher machine (band sieve plate), the material particle that comes out accounts for 90% less than 3mm's, enter stirrer then and mix stirring, add water in right amount, be controlled at about 12～14%, enter ageing after the stirring, raw material after the ageing is after stirring the forcing machine processing, over-all properties is improved, but production load-bearing or nonweight-bearing environmental protection and energy saving self-heat conserving composite floor board. kiln adopts two inner width 3.6m bore tunnel formula kilns, article two, be conjuncted structure, roasting kiln adopts three inner width 3.6m bore tunnel kilns.The drying of goods, roasting process are realized micro computer monitoring, and the waste heat that produces during goods roasting postcooling is sent kiln to for the body drying dehydration with blower fan.For guaranteeing to produce the reliable of high-quality goods and every processing performance, main frame is selected two-stage vacuum brick extruding machine, full-automatic slitting for use, is cut base system, Automatic Code base system, kiln car movement system etc.All Fan Selection, design will take into full account conservation measures on the basis that guarantees use properties, should guarantee to produce needs, consider energy conservation and environment protection again.

The beneficial effect of type of the present invention is that the refuse of minimizing worker, agricultural reduces the use of resource materials such as cement, river sand to the pollution of environment, utilizes agriculture and industry waste recycling disposal technology to turn waste into wealth, benefit society.

Description of drawings

Below in conjunction with drawings and Examples type of the present invention is further specified.

Accompanying drawing 1 is the explained hereafter schema of type of the present invention;

Embodiment

Type of the present invention further specifies as follows in conjunction with specific embodiments referring to accompanying drawing:

1, the production technique that is recycled of a kind of industrial residue and organic solid waste, technology material therefor comprise industrial slags, shale, coal gangue and water, and farm crop organism stalk, equipment comprise that mechanical means comprises that mainly jaw crusher in small, broken bits, reversible hammer-crusher, biaxial rneader, hydraulic pressure multibuchet reclaimer, twin shaft stir forcing machine, two-stage vacuum brick extruding machine, slitting shear machine, blank cutter, automatic setting machine, hydraulic pressure kiln car pusher, hermetically drying kiln, tunnel roasting kiln etc. automatically automatically.

2, feedstock production: as shown in Figure 1 industrial slags, shale, coal gangue starting material are delivered to the apron feeder opening for feed with shovel loader, wagon tremie and have it to be transported to jaw crusher in proportion and carry out fragmentation (not being with sieve plate), broken material is transported to disk feeder through the sorting of 2mm vibratory screening apparatus by rubber conveyer, and minus mesh directly is sent to biaxial rneader and adds the water stirring; Oversize enters that reaction type hammer crushing crusher machine (band sieve plate) is in small, broken bits, and the material particle that comes out accounts for 90% less than 3mm's, is sent into by rubber conveyer then and stirs brute force and mix machine and mix and stir, and adds water in right amount,

3, the raw material ageing is handled: enter into reversible proportioning machine after material stirs and carry out the ageing processing, the digestion time of material should be no less than 96 hours.Aged effect is to make moisture homogenization degree raising in the raw material, and feed particles surface and internal performance are more even, more aligned, and particle becomes and discongests easily, and the processability of material is improved.

4, extrusion moulding: pass through aged compound as shown in Figure 1, dig continuously by hydraulic pressure multibuchet reclaimer and to transport on the rubber conveyer, be transported in the box feeding machine of fitting room, farm crop organism stalk is also delivered to after pulverizing by in the hydraulic pressure multibuchet reclaimer simultaneously, and hydraulic pressure multibuchet reclaimer quantitatively stirs the forcing machine feed to twin shaft according to a certain percentage.Raw material stirs by adding water once more, and its water ratio is controlled at 16～19%.By rubber conveyer with mass transport to the two-stage vacuum brick extruding machine; The two-stage vacuum forcing machine of high extrusion pressure is adopted in extrusion moulding, and extrusion pressure allowable reaches 4.0MPa, and vacuum tightness reaches≤-0.092MPa.The mud bar extruded is through slitting shear machine automatically, blank cutter cuts into the adobe that needs specification automatically, through turning over after the base unit turns over base, marshalling, is transported to machinery sign indicating number base place through Unfired brick conveyer, and the automatization setting machine is piled up adobe on the kiln car, in order to dry.

5, dry, roasting: once code burning process is adopted in dry and roasting.Dry kiln adopts the tunnel chamber for drying of 3.6 meters of 2 inner widths, and drying source utilizes the cooling residual heat behind the tunnel furnace burnt product.By sending heat regulating system, regulate wind pushing temperature and air quantity size automatically, guarantee the brick bat drying quality.It is 3.6 meters large cross-section tunnel kilns that tunnel furnace adopts 3 inner widths, and kiln structure is designed to flat ceiling structure.Adopt the internal combustion sinter process, thermal source satisfies the requirement that goods burn till from the burning of residual carbon in the coal gangue in the adobe.Cooling zone waste heat air exchanges hot water through interchanger, can be used for the heating of workshop heating and living facilities.Tunnel furnace is provided with fume exhaust system, the recycle system, waste heat system, cooling system and car bottom pressure equilibrium system.This kiln output height, section have a narrow range of temperature, good heat insulating, and tunnel furnace and kiln are established automatic monitored control system, and the thermal parameter when drying, roasting is stable, has guaranteed to burn till quality.

Claims

1. the production technique that is recycled of industrial residue and organic solid waste is characterized in that utilizing organic solid castoffs such as industrial residue solid waste such as industrial slags, cinder, shale, coal gangue and agricultural crop straw to be raw material.

2. as the production technique that is recycled of claims 1 described industrial residue and organic solid waste, the employed thermal source of its sintering circuit is the heat that the residual carbon burning is produced in the coal gangue that utilizes in the raw material, supply with the required heat of blank sintering, do not need to add in addition coal-fired.

3. as the production technique that is recycled of claims 1 described industrial residue and organic solid waste, the employed thermal source of its idiosome drying and dehydrating operation is to gather the waste heat that sintering process produces, after reclaiming, send kiln to, reach the effect of body drying, do not need to use in addition the extra energy.

4. as the production technique that is recycled of claims 1 described industrial residue and organic solid waste, the drying of its idiosome and calcining process all use the once code burning process method that adopts, and its equipment adopts semi-stiff extrusion process tunnel drier and tunnel furnace.