CN101537653A - Process for recycled concrete wall body sheets of building rubbish - Google Patents
Process for recycled concrete wall body sheets of building rubbish Download PDFInfo
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- CN101537653A CN101537653A CN200910022166A CN200910022166A CN101537653A CN 101537653 A CN101537653 A CN 101537653A CN 200910022166 A CN200910022166 A CN 200910022166A CN 200910022166 A CN200910022166 A CN 200910022166A CN 101537653 A CN101537653 A CN 101537653A
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Abstract
The invention discloses a process for recycled concrete wall body sheets of building rubbish, which comprises the following steps: firstly, preparation work: manually separating the building rubbish to be treated, which is mainly formed by reinforced concrete and vitrified bricks, or not performing the manual separation, but measuring and recording the specific gravity of the reinforced concrete and vitrified bricks in the building rubbish to be treated before plate making; secondly, preparing the concrete wall plate raw material by utilizing the rubbish and adopting the steps of primary epidemic prevention and disinfection, primary smashing, secondary smashing and screening classification; thirdly, producing the concrete wall plate by utilizing the concrete wall plate raw material prepared by the step 2 and adopting the steps of material weighting, material pretreating, mixing and dosing, concrete wall plate forming and concrete wall plate maintenance. The process has simple procedure, convenient operation, high practical value and high quality of the produced concrete wall plate, and can effectively solve the problem of recycling the building rubbish.
Description
Technical field
The invention belongs to building material technical field, especially relate to a kind of technology of recycled concrete wall body sheets of building rubbish.
Background technology
Building industry is as one of mainstay of the national economy industry, obtained the development of advancing by leaps and bounds in recent years, but the building waste of Chan Shenging is also more and more thereupon, according to incompletely statistics, annual 200000000 tons of the building wastes, particularly a large amount of building castoffs that after the earthquake collapse in the disaster area of producing of China, above-mentioned building waste, not only cause ample resources waste, and need take very large space, influence urban environment, bring inconvenience to people's productive life.
Summary of the invention
Technical problem to be solved by this invention is at above-mentioned deficiency of the prior art, a kind of technology of recycled concrete wall body sheets of building rubbish is provided, the concrete wall board quality height that its production craft step is simple, easy and simple to handle and practical value is high, produced, what can effectively solve existing a large amount of building wastes now utilizes problem again.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of technology of recycled concrete wall body sheets of building rubbish is characterized in that this technology may further comprise the steps:
201, preliminary Antiepidemic sterilizing: treating material is carried out preliminary Antiepidemic sterilizing and used thimerosal is a broad-spectrum class antibiotic property thimerosal, by material conveyor one described treating material is delivered to boulder crusher again; Described treating material behaviour work point is sorted out next reinforced concrete or fired brick class, the described pending building waste that perhaps sorts;
202, preceding road is pulverized: by boulder crusher the treating material through preliminary Antiepidemic sterilizing is carried out preceding road and pulverize, obtain the building waste aggregate that granularity is not more than 80mm, to pulverize the building waste aggregate that obtains through preceding road by material conveyor two again and deliver to intermediate crusher, by the deironing apparatus that is installed on the material conveyor two the irony foreign material that contained in the building waste aggregate be carried out adsorption removal in the course of conveying;
203, reground grain is broken: to carry out reground grain broken to pulverize the building waste aggregate that obtains through preceding road by intermediate crusher, will pulverize the building waste aggregate that obtains through preceding road by material conveyor three again and deliver to screening plant;
204, sieve classification: will be fine aggregate, middle aggregate, coarse aggregate and defective aggregate level Four aggregate through the broken building waste aggregate screening that obtains of reground grain by screening plant, described fine aggregate is the building waste aggregate that granularity is not more than 5mm, aggregate is that granularity is the building waste aggregate of 5～20mm in described, described coarse aggregate is that granularity is the building waste aggregate of 20～40mm, and described defective aggregate is the building waste aggregate of granularity greater than 40mm; The defective aggregate that screening is obtained is recycled to intermediate crusher by the feed back conveyer and carries out second-time breakage;
Simultaneously, the fine aggregate that screening is obtained by material conveyor four and material conveyor six and coarse aggregate is delivered to finished product bin one respectively and finished product bin three storages are stand-by, and deliver to water washing device by the middle aggregate that material conveyor five obtains screening and wash that to deliver to finished product bin two storages again after the removal of impurities stand-by;
Wherein, fine aggregate and the middle aggregate of being stored in finished product bin one and the finished product bin two is the concrete wall raw material that utilizes building waste prepared;
When described treating material behaviour work point is sorted out next reinforced concrete or fired brick time-like, the fine aggregate of being stored in the finished product bin one is reinforced concrete fine aggregate and fired brick class fine aggregate, and the middle aggregate of being stored in the finished product bin two is an aggregate in aggregate and the fired brick class in the reinforced concrete;
When described treating material during for the described pending building waste that sorts, fine aggregate of being stored in finished product bin one and the finished product bin two and middle aggregate be respectively mix fine aggregate and mix in aggregate;
301, material weighing: carry out weighing respectively to producing six kinds of required materials of concrete wall;
302, material preliminary treatment: to the middle aggregate of being stored in haydite in load weighted described six kinds of materials in the step 301 and the finished product bin two processing of flooding respectively, until the suction state that reaches capacity;
303, stir batching, it stirs blending process and may further comprise the steps:
3031,, obtain compound one after putting into mixer mixing stirring together with the haydite and the middle aggregate of the suction state that reaches capacity described in load weighted flyash and the step 302 in the step 301;
3032, with behind the one mixing stirring of the compound described in the step 3031,0.5～2min, after load weighted fine sand, fine aggregate and insulation material in the step 301 put into described compound one together and proceed to stir, obtain compound two behind the moisture stable in described mixer;
3033, in the compound described in the step 3,032 two, add and proceed behind the load weighted cement to stir in the step 301 to obtain compound three, progressively in described compound three, add water in the whipping process after reaching required humidity value, obtain compound four;
304, concrete wall moulding: utilizing the concrete wall make-up machine, is concrete wall with compound four machine-shapings that obtained in the step 3033;
305, concrete wall maintenance: utilize 50 ± 10 ℃ saturated vapor that the concrete wall of institute's machine-shaping in the step 304 is carried out precuring, obtain the finished product concrete wall.
In the preceding road crushing process described in the step 202, the mud dirt and the light weight sundries that are produced when pulverizing by the light weight sundries scavenge unit carry out adsorption removal.
In the broken process of reground grain described in the step 203, mud dirt and the light weight sundries that pulverizing building waste aggregate is produced carried out adsorption removal by the light weight sundries scavenge unit described in the step 202.
Concrete wall make-up machine described in the step 304 is that spiral is forced extrusion process for being extruded into pattern concrete wall make-up machine and forming method.
Be added with the middle aggregate that screening is obtained in the water washing device described in the step 204 and carry out the broad-spectrum class antibiotic property thimerosal of secondary sterilization.
Described light weight sundries scavenge unit is the knot screen that gathers dust;
The described knot screen that gathers dust comprises that the bottom has the cylindric tank body of slag notch, is sleeved on the helical form screen pack at tank inner chamber middle part and the blower fan that tank inner chamber is evacuated to negative pressure, be connected by air pipe line between described blower fan and the tank body, described tank body bottom is provided with the input channel that the dust impurity in the material to be processed is sucked into tank inner chamber, corresponding installation one and the installing port two that is provided with for air pipe line and input channel installation on the described tank body.
The humidity of compound described in the step 3,033 four is that moisture content is 10%～20%.
The granularity of the described haydite of step 3 is not more than 5mm, and described insulation material is a perlite.
Treating material described in the step 201 is supplied with by batcher, and by the spray chlorination equipment that is installed on the batcher described treating material is carried out preliminary Antiepidemic sterilizing.
The mixing mixing time of compound described in the step 3,032 one is 1min, and the temperature of saturated vapor described in the step 305 is 50 ℃.
The present invention compared with prior art has the following advantages: 1, used process unit global design rationally and use easy and simple to handle.2, simple, the intermediate products building waste aggregate quality height produced of production technology can directly apply to production, effectively re-uses.3, the recycled concrete wall body sheets quality height of being produced has characteristics such as shock-resistant, that the product thermal and insulating performance is good.4, the present invention is utilizing building waste to produce in the process of concrete wall sheet material, adopt purification process techniques such as washing, dedusting, multiple tracks sterilization, again regeneration aggregate is applied in the wallboard manufacture process afterwards, thereby utilizes building waste to produce the whole process of production of concrete wall sheet material and the product produced is that concrete wall sheet material can not pollute or endangers environment.5, practical value height has very high market economy and is worth and social value, and it can effectively utilize a large amount of building wastes and utilize the building waste substitution rate to reach 58%, thereby has energy savings, resource, helps developing a circular economy and comprehensive utilization of resources.According to incompletely statistics, China is annual to produce 200,000,000 tons of building wastes, if the present invention is promoted in the whole nation, calculates according to the ratio of utilizing 10% year, promptly need utilize 2,000 ten thousand tons of construction wastes every year, if by 300,000 m that promote the amount of substituting 40%
2Production-scale building board production line; need build more than 100 such production line; by application of the present invention; can promote traditional brick and tile industry to change original production process and product structure; promote the materials for wall industry and develop, for energy savings, protect farmland, protect environment and natural resources, improve the building function, promote the technological progress of building and building materials industry to have positive contribution to recycling direction.In sum, the present invention is reasonable in design, easy and simple to handle and practical value is high, what can effectively solve existing a large amount of building wastes now utilizes problem again, the research achievement will fill the domestic gaps, after entering industrialization, a large amount of building castoffs that behind the building waste, particularly earthquake of digestion various places that can be a large amount of collapse in the disaster area, and, has huge impetus to the technology and the equipment of the materials for wall industry that improves China.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Description of drawings
Fig. 1 is a process flow diagram of the present invention.
Fig. 2 prepares the structured flowchart of the production equipment of concrete wall raw material for the present invention utilizes building waste.
Fig. 3 is the gather dust structural representation of knot screen of the present invention.
Description of reference numerals:
The 1-batcher; 2-sprays chlorination equipment; The 3-boulder crusher;
The 4-intermediate crusher; The 5-knot screen that gathers dust; 5-1-helical form screen pack;
The 5-2-tank body; The 5-3-slag notch; The 5-4-blower fan;
The 5-5-air pipe line; The 5-6-input channel; The 6-water washing device;
7-1-material conveyor one; 7-2-material conveyor two; 7-3-material conveyor three;
7-4-material conveyor four; 7-5-material conveyor five; 7-6-material conveyor six;
The 8-deironing apparatus; 9-feed back conveyer; 10-1-finished product bin one;
10-2-finished product bin two; 10-3-finished product bin three; The 11-screening plant.
The specific embodiment
As shown in Figure 1 and Figure 2, the technology of recycled concrete wall body sheets of building rubbish of the present invention may further comprise the steps:
In the actual production process, preferably reinforced concrete in the pending building waste and fired brick class are sorted out respectively, be about to reinforced concrete and two kinds of waste materials of fired brick class separately.But, if thereby a variety of causes can not in time not sort, can not sort yet, if do not sort, then in process of production, just must be by the mensuration that experimentizes, know the proportions that two kinds of waste materials of reinforced concrete and fired brick class are shared respectively, so that provide reference for the technology of next stage.
201, preliminary Antiepidemic sterilizing: treating material is carried out preliminary Antiepidemic sterilizing and used thimerosal is a broad-spectrum class antibiotic property thimerosal, by material conveyor one 7-1 described treating material is delivered to boulder crusher 3 again.Described treating material behaviour work point is sorted out next reinforced concrete or fired brick class, the described pending building waste that perhaps sorts.
In the present embodiment, the treating material described in this step is supplied with by batcher 1, and carries out preliminary Antiepidemic sterilizing by the 2 pairs of described treating materials of spray chlorination equipment that are installed on the batcher 1.
202, preceding road is pulverized: the treating material by 3 pairs of preliminary Antiepidemic sterilizings of warp of boulder crusher carries out the pulverizing of preceding road, obtain the building waste aggregate that granularity is not more than 80mm, will pulverize the building waste aggregate that obtains through preceding road by material conveyor two 7-2 again and deliver to intermediate crusher 4.Carry out adsorption removal by being installed in the irony foreign material that contained in the 8 pairs of building waste aggregates of deironing apparatus on material conveyor two 7-2 in the course of conveying.
In addition, in preceding road crushing process, the mud dirt and the light weight sundries that are produced when pulverizing by the light weight sundries scavenge unit carry out adsorption removal.Described light weight sundries scavenge unit is the knot screen 5 that gathers dust.
In conjunction with Fig. 2, the described knot screen 5 that gathers dust is the suction-type knot screen that gathers dust, and it comprises that the bottom has the cylindric tank body 5-2 of slag notch 5-3, is sleeved on the helical form screen pack 5-1 at tank body 5-2 inner chamber middle part and the blower fan 5-4 that tank body 5-2 inner chamber is evacuated to negative pressure.Be connected by air pipe line 5-5 between described blower fan 5-4 and the tank body 5-2, described tank body 5-2 bottom is provided with the input channel 5-6 that the dust impurity in the material to be processed is sucked into tank body 5-2 inner chamber, and described tank body 5-2 goes up correspondence and is provided with installation one and the installing port two that supplies air pipe line 5-5 and input channel 5-6 to install.In the present embodiment, the input channel 5-6 of the described knot screen 5 that gathers dust joins with intermediate crusher 4 and screening plant 11 respectively.
In the present embodiment, described helical form screen pack 5-1 is positioned at input channel 5-6 top, and the installing port of installing for input channel 5-6 two is arranged on the lower sides of tank body 5-2.Described installation one for air pipe line 5-5 installation is arranged on the top of tank body 5-2.Described tank body 5-2 is that top and the bottom are coniform and laterally zygomorphic tank body.
203, reground grain is broken: pulverizing the building waste aggregates that obtain through preceding road by 4 pairs of intermediate crushers, to carry out reground grain broken, will pulverize the building waste aggregate that obtains through preceding road by material conveyor three 7-3 again and deliver to screening plant 11.
In the broken process of reground grain, pulverize mud dirt and the light weight sundries that the building waste aggregate produced and carry out adsorption removal by promptly gather dust 5 pairs of knot screens of the light weight sundries scavenge unit described in the step 202.
204, sieve classification: will be fine aggregate, middle aggregate, coarse aggregate and defective aggregate level Four aggregate through the broken building waste aggregate screening that obtains of reground grain by screening plant 11, described fine aggregate is the building waste aggregate that granularity is not more than 5mm, aggregate is that granularity is the building waste aggregate of 5～20mm in described, described coarse aggregate is that granularity is the building waste aggregate of 20～40mm, and described defective aggregate is the building waste aggregate of granularity greater than 40mm.Described screening plant 11 is the screening plant of design standard grating, is specially vibratory sieve.
After screening plant 11 screening, the defective aggregate that screening is obtained is recycled to intermediate crusher 4 by feed back conveyer 9 and carries out second-time breakage.Simultaneously, the fine aggregate that screening is obtained by material conveyor four 7-4 and material conveyor six 7-6 and coarse aggregate is delivered to finished product bin one 10-1 respectively and finished product bin three 10-3 storage is stand-by, and deliver to water washing device 6 by the middle aggregate that material conveyor five 7-5 obtain screening and wash that to deliver to finished product bin two 10-2 storage again after the removal of impurities stand-by.
Wherein, fine aggregate and the middle aggregate of being stored among finished product bin one 10-1 and finished product bin two 10-2 is the concrete wall raw material that utilizes building waste prepared.When described treating material behaviour work point is sorted out next reinforced concrete or fired brick time-like, the fine aggregate of being stored among finished product bin one 10-1 is reinforced concrete fine aggregate and fired brick class fine aggregate, and the middle aggregate of being stored among finished product bin two 10-2 is an aggregate in aggregate and the fired brick class in the reinforced concrete.When described treating material during for the described pending building waste that sorts, fine aggregate of being stored among finished product bin one 10-1 and finished product bin two 10-2 and middle aggregate be respectively mix fine aggregate and mix in aggregate.
In sum, the preparation process of utilizing building waste to prepare the concrete wall raw material in step 2 is: at first in batcher 1 to the processing of tentatively preventing epidemic of pending building waste; To deliver to boulder crusher 3 through the building waste that preliminary epidemic prevention is handled by material conveyor one 7-1 again and carry out the pulverizing of preceding road; Afterwards, the building waste aggregate that will obtain after the preceding roads of boulder crusher 3 are pulverized by material conveyor two 7-2 is delivered to intermediate crusher 4 to carry out reground grain broken; To deliver to screening plant 11 by material conveyor three 7-3 through the broken building waste aggregate that obtains of intermediate crusher 4 reground grains again and sieve, concrete screening is fine aggregate, middle aggregate, coarse aggregate and defective aggregate level Four aggregate; Then, will be after screening the fine aggregate that obtain and coarse aggregate delivers to finished product bin one 10-1 respectively by material conveyor four 7-4 and material conveyor six 7-6 and finished product bin three 10-3 store stand-by, will be after the middle aggregate that obtain is delivered to water washing device 6 by material conveyor 7 to wash removal of impurities and secondary sterilization after the screening deliver to finished product bin two 10-2 by material conveyor five 7-5 again and store stand-byly, the defective aggregate that will obtain after screening is delivered to intermediate crusher 4 by feed back conveyer 9 and is carried out second-time breakage simultaneously.In the present embodiment, described material conveyor one 7-1, material conveyor two 7-2, material conveyor three 7-3, material conveyor four 7-4, material conveyor five 7-5 and material conveyor six 7-6 are belt conveyor.
In simple terms, in the step 2 with pending building waste successively after preliminary epidemic prevention treating apparatus, boulder crusher 3, intermediate crusher 4 and screening plant 11 screenings, with defective aggregate turn back to once more intermediate crusher 4 carry out once more broken, so circulation; And the aggregate that will meet particle diameter changes standard compliant aggregate into and is transported to finished product bin respectively after passing through operations such as washing, secondary sterilization.
Carry out in the broken process of reground grain at 4 pairs of building waste aggregates that after boulder crusher 3 preceding roads are pulverized, obtain of intermediate crusher, and 11 pairs of screening plants carry out in the screening process through the broken building waste aggregate that obtains of intermediate crusher 4 reground grains, by the knot screen 5 that gathers dust dust and foreign material in the processed building waste aggregate are removed respectively, in the actual fabrication process, according to the specifically dustproof requirement of production line, measures such as spray, washing can all be adopted, with effective reduction dust pollution in each production process; In addition, also can correspondingly in each operation section such as feed, fragmentation and sieve classification, adopt the knot screen 5 that gathers dust to eliminate airborne dust.
Deliver in the process of intermediate crusher 4 by the building waste aggregate that material conveyor two 7-2 will obtain after boulder crusher 3 preceding roads are pulverized, carry out adsorption removal by being installed in the irony foreign material that contained in the 8 pairs of processed building waste aggregates of deironing apparatus on 4 material conveyors 7 of boulder crusher 3 and intermediate crusher.When washing removal of impurities by 6 pairs of middle aggregates that after screening, obtain of water washing device, mainly be to utilize gravity principle, the earth and the foreign material such as timber, foam that are contained in the processed building waste aggregate are removed, can be improved the quality of regenerated building garbage aggregate greatly.
301, material weighing: carry out weighing respectively to producing six kinds of required materials of concrete wall.Specifically, the demand of cement, flyash, haydite, fine sand and five kinds of admixtures of insulation material adjusts accordingly according to the quantity of prepared concrete wall raw material in the step 2.In the present embodiment, described insulation material is a perlite.
302, material preliminary treatment: to the middle aggregate of being stored among haydite in load weighted described six kinds of materials in the step 301 and finished product bin two 10-2 processing of flooding respectively, until the suction state that reaches capacity.
In addition, be noted that: except that cement, flyash, haydite, fine sand and perlite all need guarantee that granularity separately is that particle diameter all is no more than 5mm through screening.
Need should be mentioned that: when carrying out preparation in the step 1 herein, if the reinforced concrete in the pending building waste and two kinds of waste materials of fired brick class are sorted out, and after in step 2, two kinds of waste materials being handled respectively, the fine aggregate of being stored among finished product bin one 10-1 is reinforced concrete fine aggregate and fired brick class fine aggregate, and the middle aggregate of being stored among finished product bin two 10-2 is an aggregate in aggregate and the fired brick class in the reinforced concrete.That is to say, utilize the prepared fine aggregate that comes out of two kinds of waste materials of reinforced concrete and fired brick class also to separate with middle aggregate, like this, the centering aggregate floods when handling and stirs when specifically preparing burden in the batching step in this step, and then the humidity of the saturation degree of material and mix is the then relatively good grasp of moisture content separately.
Otherwise, if described treating material is not sorted in the step 1, then fine aggregate of being stored among finished product bin one 10-1 and finished product bin two 10-2 and middle aggregate are respectively and mix aggregate in fine aggregate and the mixing, then flooding in this step then needs when handling to carry out actual judgement according to the proportion of two kinds of waste materials being measured in the step 1, need adopt microwave sounding equipment in real time the moisture in the material to be detected simultaneously.Equally, when specifically preparing burden in stirring batching step, the humidity of mix is that moisture content is also poorly held, and needs to adopt microwave sounding equipment in real time the moisture in the material to be detected.
303, stir batching, it stirs blending process and may further comprise the steps:
3031,, obtain compound one after putting into mixer mixing stirring together with the haydite and the middle aggregate of the suction state that reaches capacity described in load weighted flyash and the step 302 in the step 301.
3032, with behind the one mixing stirring of the compound described in the step 3031,0.5～2min, after load weighted fine sand, fine aggregate and insulation material in the step 301 put into described compound one together and proceed to stir, obtain compound two behind the moisture stable in described mixer.
In the present embodiment, the mixing mixing time of described compound one is 1min, is about to compound and puts into load weighted fine sand, fine aggregate and insulation material after mixing mixing time 1min.
3033, in the compound described in the step 3,032 two, add and proceed behind the load weighted cement to stir in the step 301 to obtain compound three, progressively in described compound three, add water in the whipping process after reaching required humidity value, obtain compound four.In the present embodiment, the humidity of described compound four is that moisture content is 10%～20%.
In the practice, in order to guarantee finishing smoothly of concrete wall production extrusion process, mixing plant provided, and to mix and stir material be that the moisture content of compound four must guarantee 15%～16%.At last, be that compound is transported to extruding workshop section with the material that mixes and stirs that is obtained.
304, concrete wall moulding: utilizing the concrete wall make-up machine, is concrete wall with compound four machine-shapings that obtained in the step 3033.In the present embodiment, described concrete wall make-up machine is that spiral is forced extrusion process for being extruded into pattern concrete wall make-up machine and forming method.
At present, used concrete wall make-up machine has a large amount in variety, climb formula with having, build formation type and be extruded into pattern, the most suitable employing is to be extruded into pattern concrete wall make-up machine, adopts to be extruded into the quality that pattern concrete wall moulding function control the concrete wall of regenerating more exactly; In addition, the wallboard moulding way of selecting for use in this technology is that spiral is forced fashion of extrusion, and wherein every screw rod can provide about 3 tons pressure.
305, concrete wall maintenance: utilize 50 ± 10 ℃ saturated vapor that the concrete wall of institute's machine-shaping in the step 304 is carried out precuring, obtain the finished product concrete wall.In the present embodiment, the temperature of described saturated vapor is 50 ℃.
After the concrete wall machine-shaping, in order to control the drying shrinkage value of wallboard, the saturated vapor that concrete wall after the moulding is put into 50 ℃ carries out precuring, then can reach higher overall target, not only can reduce sheet material stress concentrates, accelerate the carrying out of concrete hydration reaction, and can shorten curing cycle and production cycle greatly.
The above; it only is preferred embodiment of the present invention; be not that the present invention is imposed any restrictions, everyly any simple modification that above embodiment did, change and equivalent structure changed, all still belong in the protection domain of technical solution of the present invention according to the technology of the present invention essence.
Claims (10)
1. the technology of a recycled concrete wall body sheets of building rubbish is characterized in that this technology may further comprise the steps:
Step 1, preparation: the pending building waste of mainly being made up of reinforced concrete and fired brick class is carried out the manual sorting, promptly sort out reinforced concrete in the pending building waste and fired brick class stand-by respectively; Perhaps do not carry out the manual sorting, but before making concrete wall, need the proportion of reinforced concrete in the pending building waste and fired brick class is measured respectively and record;
Step 2, utilize building waste to prepare the concrete wall raw material, its preparation process may further comprise the steps:
201, preliminary Antiepidemic sterilizing: treating material is carried out preliminary Antiepidemic sterilizing and used thimerosal is a broad-spectrum class antibiotic property thimerosal, by material conveyor one (7-1) described treating material is delivered to boulder crusher (3) again; Described treating material behaviour work point is sorted out next reinforced concrete or fired brick class, the described pending building waste that perhaps sorts;
202, preceding road is pulverized: by boulder crusher (3) treating material through preliminary Antiepidemic sterilizing is carried out preceding road and pulverize, obtain the building waste aggregate that granularity is not more than 80mm, to pulverize the building waste aggregate that obtains through preceding road by material conveyor two (7-2) again and deliver to intermediate crusher (4), by the deironing apparatus (8) that is installed on the material conveyor two (7-2) the irony foreign material that contained in the building waste aggregate be carried out adsorption removal in the course of conveying;
203, reground grain is broken: to carry out reground grain broken to pulverize the building waste aggregate that obtains through preceding road by intermediate crusher (4), will deliver to screening plant (11) through the building waste aggregate that the pulverizing of preceding road obtains by material conveyor three (7-3) again;
204, sieve classification: will be fine aggregate, middle aggregate, coarse aggregate and defective aggregate level Four aggregate through the broken building waste aggregate screening that obtains of reground grain by screening plant (11), described fine aggregate is the building waste aggregate that granularity is not more than 5mm, aggregate is that granularity is the building waste aggregate of 5～20mm in described, described coarse aggregate is that granularity is the building waste aggregate of 20～40mm, and described defective aggregate is the building waste aggregate of granularity greater than 40mm; The defective aggregate that screening is obtained is recycled to intermediate crusher (4) by feed back conveyer (9) and carries out second-time breakage;
Simultaneously, the fine aggregate that screening is obtained by material conveyor four (7-4) and material conveyor six (7-6) and coarse aggregate is delivered to finished product bin one (10-1) respectively and finished product bin three (10-3) storage is stand-by, and deliver to water washing device (6) by the middle aggregate that material conveyor five (7-5) obtains screening and wash and deliver to finished product bin two (10-2) again after the removal of impurities and store stand-by;
Wherein, fine aggregate and the middle aggregate of being stored in finished product bin one (10-1) and the finished product bin two (10-2) is the concrete wall raw material that utilizes building waste prepared;
When described treating material behaviour work point is sorted out next reinforced concrete or fired brick time-like, the fine aggregate of being stored in the finished product bin one (10-1) is reinforced concrete fine aggregate and fired brick class fine aggregate, and the middle aggregate of being stored in the finished product bin two (10-2) is an aggregate in aggregate and the fired brick class in the reinforced concrete;
When described treating material during for the described pending building waste that sorts, fine aggregate of being stored in finished product bin one (10-1) and the finished product bin two (10-2) and middle aggregate are respectively and mix aggregate in fine aggregate and the mixing;
Step 3, utilize concrete wall raw material prepared in the step 2 to produce concrete wall, the concrete wall of being produced is by described concrete wall raw material and cement, flyash, haydite, fine sand and six kinds of materials of insulation material make and the mass percent of described six kinds of materials is respectively 5～15%: 25～30%: 15～20%: 5～10%: 30～35%: 0～5%, described concrete wall raw material is fine aggregate and the middle aggregate of being stored in finished product bin one (10-1) described in the step 204 and the finished product bin two (10-2), and the production process of described concrete wall is as follows:
301, material weighing: carry out weighing respectively to producing six kinds of required materials of concrete wall;
302, material preliminary treatment: to the middle aggregate of being stored in haydite in load weighted described six kinds of materials in the step 301 and the finished product bin two (10-2) processing of flooding respectively, until the suction state that reaches capacity;
303, stir batching, it stirs blending process and may further comprise the steps:
3031,, obtain compound one after putting into mixer mixing stirring together with the haydite and the middle aggregate of the suction state that reaches capacity described in load weighted flyash and the step 302 in the step 301;
3032, with behind the one mixing stirring of the compound described in the step 3031,0.5～2min, after load weighted fine sand, fine aggregate and insulation material in the step 301 put into described compound one together and proceed to stir, obtain compound two behind the moisture stable in described mixer;
3033, in the compound described in the step 3,032 two, add and proceed behind the load weighted cement to stir in the step 301 to obtain compound three, progressively in described compound three, add water in the whipping process after reaching required humidity value, obtain compound four;
304, concrete wall moulding: utilizing the concrete wall make-up machine, is concrete wall with compound four machine-shapings that obtained in the step 3033;
305, concrete wall maintenance: utilize 50 ± 10 ℃ saturated vapor that the concrete wall of institute's machine-shaping in the step 304 is carried out precuring, obtain the finished product concrete wall.
2. according to the technology of the described recycled concrete wall body sheets of building rubbish of claim 1, it is characterized in that: in the preceding road crushing process described in the step 202, the mud dirt and the light weight sundries that are produced when pulverizing by the light weight sundries scavenge unit carry out adsorption removal.
3. according to the technology of the described recycled concrete wall body sheets of building rubbish of claim 2, it is characterized in that: in the broken process of the reground grain described in the step 203, mud dirt and the light weight sundries that pulverizing building waste aggregate is produced carried out adsorption removal by the light weight sundries scavenge unit described in the step 202.
4. according to the technology of claim 1 or 2 described recycled concrete wall body sheets of building rubbish, it is characterized in that: the concrete wall make-up machine described in the step 304 is that spiral is forced extrusion process for being extruded into pattern concrete wall make-up machine and forming method.
5. according to the technology of claim 1 or 2 described recycled concrete wall body sheets of building rubbish, it is characterized in that: be added with the broad-spectrum class antibiotic property thimerosal that the middle aggregate that screening is obtained carries out secondary sterilization in the water washing device described in the step 204 (6).
6. according to the technology of the described recycled concrete wall body sheets of building rubbish of claim 2, it is characterized in that: described light weight sundries scavenge unit is the knot screen that gathers dust (5);
The described knot screen that gathers dust (5) comprises that the bottom has the cylindric tank body (5-2) of slag notch (5-3), be sleeved on the helical form screen pack (5-1) at tank body (5-2) inner chamber middle part and the blower fan (5-4) that tank body (5-2) inner chamber is evacuated to negative pressure, be connected by air pipe line (5-5) between described blower fan (5-4) and the tank body (5-2), described tank body (5-2) bottom is provided with the input channel (5-6) that the dust impurity in the material to be processed is sucked into tank body (5-2) inner chamber, and described tank body (5-2) is gone up correspondence and is provided with installation one and the installing port two that supplies air pipe line (5-5) and input channel (5-6) to install.
7. according to the technology of claim 1 or 2 described recycled concrete wall body sheets of building rubbish, it is characterized in that: the humidity of compound described in the step 3,033 four is that moisture content is 10%～20%.
8. according to the technology of claim 1 or 2 described recycled concrete wall body sheets of building rubbish, it is characterized in that: the granularity of the described haydite of step 3 is not more than 5mm, and described insulation material is a perlite.
9. according to the technology of claim 1 or 2 described recycled concrete wall body sheets of building rubbish, it is characterized in that: the treating material described in the step 201 is supplied with by batcher (1), and by the spray chlorination equipment (2) that is installed on the batcher (1) described treating material is carried out preliminary Antiepidemic sterilizing.
10. according to the technology of claim 1 or 2 described recycled concrete wall body sheets of building rubbish, it is characterized in that: the mixing mixing time of compound described in the step 3,032 one is 1min, and the temperature of saturated vapor described in the step 305 is 50 ℃.
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| CN112536092A (en) * | 2020-11-27 | 2021-03-23 | 永恩建筑科技(广州)有限公司 | Preparation device and preparation method of light building decoration material |
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