CN103359965A - Method for producing sand for making brick from construction waste - Google Patents
Method for producing sand for making brick from construction waste Download PDFInfo
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- CN103359965A CN103359965A CN2013102937546A CN201310293754A CN103359965A CN 103359965 A CN103359965 A CN 103359965A CN 2013102937546 A CN2013102937546 A CN 2013102937546A CN 201310293754 A CN201310293754 A CN 201310293754A CN 103359965 A CN103359965 A CN 103359965A
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- building waste
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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Abstract
The invention discloses a method for producing sand for making bricks from construction waste, solving the problem that the environment is polluted by construction waste so that the resource is effectively reused. The method comprises the following treatment steps of: vibrating and feeding materials, crushing, deironing, and separating impurities, wherein a separating device is a wear-resisting separating screen with a diameter of 7-10cm, and the wear-resisting separating screen is arranged at the feeding port at the upper part of a vibrating screen and shares one same driving device with the vibrating screen; screening, namely, grading grain materials through the vibrating screen with 2-4 layers of inclined screening surfaces, and feeding back the construction waste of which the granularity is greater than the aperture of the first layer of the screening surface to the step of vibrating and feeding. According to the method, construction waste is subjected to magnetic separation and light material separation after being crushed, light materials of metal, bamboo, wood, plastic and the like are eliminated, the purity of recycled aggregate is ensured, and the strength and the quality of a building material product made of the recycled aggregate are ensured. The method is used for treating construction waste, the land resource is saved, the pollution to the environment is reduced, a produced product meets relevant technical requirements, and the raw material is low in cost and high in economic benefit.
Description
Technical field
The invention belongs to and change solid waste into useful or harmless material, be specifically related to a kind of building waste treatment process.
Background technology
Quickening along with urbanization process, urban construction, reconstruction of the old city town have produced a large amount of building wastes, the quantity of building waste has accounted for 30～40% of municipal wastes total amount, wherein, overwhelming majority building waste is unprocessed, just transported to countryside or rural area by unit in charge of construction, air storage or landfill, consume that a large amount of land acquisitions takes, refuse collection expense etc., take a large amount of soils, form the phenomenon that rubbish encloses village, besieged city, have a strong impact on the town and country image, then cause huge environmental problem, economic problems even social concern.On the other hand, the china natural resources problem is day by day serious, and it is exhausted that the natural aggregate of high-quality has become in some place, and the qualified concrete gravel in many places is in rather short supply, causes the cost of construction work to increase, Quality Down.Owing to cut into a mountain for quarrying on a large scale, destroy natural landscape and ecotope simultaneously, seriously deviated from the strategy of sustainable development of China's economy and environment.In this case; the production of the work of building waste cyclic regeneration and economic materials for wall is combined; produce building sand with building waste; the building waste that to process in a large number of both having dissolved; solved again the problem of resource rational utilization; but the Effective Raise level of resources utilization is protected ecology and is promoted economic development.
The method that at present also has pair building waste to process generally comprises the steps such as fragmentation, screening, the treatment process imperfection, and the regeneration aggregate granularity after the large multiprocessing is uneven, and range of application is restricted.And owing to contain a large amount of metal species, bamboo wood class and Plastic foreign material in the building waste, wherein bamboo wood class and Plastic foreign material and building waste are blended in the regeneration aggregate, can reduce the intensity of load-bearing class building material made, and the metal species foreign material generally are difficult to fragmentation, stay easy occluding device in the treatment facility, the equipment that affects normally uses.
The treatment process of existing building rubbish generally adopts magnetic selection method to separate to the metal species foreign material; Bamboo wood class and Plastic foreign material are not generally sorted or adopt manual sorting's mode, also have and adopt the air-feeding type sorting equipment to process, the Chinese patent of " name is called: light material separating device; application number is: 200520125092.2 " for example, this invention is a kind of light material separating device, particularly domestic waste material separation device.It comprises the casing with opening for feed and waste material mouth, and blast inlet is upwards arranged on the chassis sidewall, and the position of light material outlet is higher than blast inlet.The present invention has characteristics simple in structure, with low cost, and it can separate the lightweight object such as paper, plastics with sandy soil, metal etc. effectively, is specially adapted to the separating treatment to municipal wastes.Adopt the air-feeding type sorting equipment, will consume the energy on the one hand, on the other hand, it is just large that building waste is processed the original dust in place, adds blower fan, and dust can impact the healthy of staff.
Summary of the invention
For overcoming the deficiencies in the prior art, the present invention aims to provide the method that sand is used in a kind of building waste production brickmaking, the light materials such as the bamboo wood of the method in can the effective separation building waste, plastics, improve the quality of regeneration aggregate, and the processing step arrangement is reasonable, and efficient is high, uses the present invention that building waste is processed, effectively reduce the floor space of building waste, reduced pollution.
The present invention is achieved through the following technical solutions: a kind of building waste production brickmaking method of sand comprises following treatment step:
A, vibrating feed: building waste is supplied in the oscillating feeder by feeder, to improve the Working environment of crusher;
B, fragmentation: to after expecting crusher, by crusher building waste is carried out break process;
C, deironing: with the magnetic separation mode metal species foreign material in the building waste are carried out magnetic separation and reject, and the building waste after the magnetic separation is sent to sorting equipment by conveying belt;
D, sorting foreign material: by sorting equipment the foreign material such as the Plastic in the building waste, wooden class are sorted removal, afterwards building waste is sent to vibratory screening apparatus; The used sorting equipment of sorting foreign material is that sieve diameter is 7～10 centimetres wear-resisting separation sieve, and this wear-resisting separation sieve is installed in the opening for feed place on vibratory screening apparatus top, shares a drive unit with vibratory screening apparatus;
E, screening: granule materials is carried out classification by vibratory screening apparatus; Vibratory screening apparatus has the compass screen surface of 2～4 layers of inclination, can carry out 3～5 grades of screenings, and granularity turns back to step a greater than the building waste in the first layer compass screen surface aperture;
The secondary screening: the material through the first layer compass screen surface is fallen second layer compass screen surface, obtains less than the first layer compass screen surface aperture, greater than the finished product material A in second layer compass screen surface aperture;
Three grades of screenings: sieved by the 3rd layer of compass screen surface less than the material in second layer compass screen surface aperture and to collect to get finished product material B, the 3rd layer of basifacial material of sieve be granularity less than finished product material C and the stone flour in the 3rd layer of compass screen surface aperture, by that analogy, obtain varigrained material.
The fragmentation of described step B preferably adopts jaw crusher or reaction type broken.
In the described step e in the vibratory screening apparatus angle of inclination of 2～4 layers of compass screen surface be 25～45 the degree.
Because light material proportion is little, light material can not be crushed into the proper particle of granularity when broken as building waste, particularly the Plastic foreign material are difficult to be broken, so this part light weight sundries is just stayed the top of wear-resisting separation sieve, carry collection by the waste material mouth.
The present invention has following beneficial effect:
1. the building waste that uses the inventive method to process has become sandstone aggregate, can be used for making mixed earth, non-burning brick, and municipal administration is with brick etc., also can process nearby, as the highway subgrade bed course, the starting material such as road surface, residential quarter sclerosis use, and have realized the recycling of building waste.
2. use the present invention to carry out building waste and process, saved land resources, alleviated the pollution to environment, raw materials cost is low, and economic benefit is high.
3. the present invention has carried out magnetic separation to building waste and has separated with light material after fragmentation, the light materials such as metal species, bamboo wood class, Plastic have been carried out playing removing, guarantee the purity of regeneration aggregate, guaranteed intensity and the quality of the building material made made with regeneration aggregate.
4. light material of the present invention separates the mode that need not to adopt manual sorting or selection by winnowing, directly adopts the form that separation sieve is set on vibratory screening apparatus top, has saved the energy, and the ratio that this mode is removed light weight sundries in the building waste can reach more than 80%.
Description of drawings
Fig. 1 is FB(flow block) of the present invention.
Embodiment
The present invention is described further below in conjunction with embodiment.
Embodiment 1
As shown in Figure 1, a kind of building waste production brickmaking method of sand comprises following treatment step:
A, vibrating feed: building waste is supplied in the oscillating feeder by feeder, to improve the Working environment of crusher;
B, fragmentation: to after expecting jaw crusher, by jaw crusher building waste is carried out break process;
C, deironing: with the magnetic separation mode metal species foreign material in the building waste are carried out magnetic separation and reject, and the building waste after the magnetic separation is sent to sorting equipment by conveying belt;
D, sorting foreign material: by sorting equipment the foreign material such as the Plastic in the building waste, wooden class are sorted removal, afterwards building waste is sent to vibratory screening apparatus; The used sorting equipment of sorting foreign material is that sieve diameter is 7 centimetres wear-resisting separation sieve, and this wear-resisting separation sieve is installed in the opening for feed place on vibratory screening apparatus top, shares a drive unit with vibratory screening apparatus;
E, screening: granule materials is carried out classification by vibratory screening apparatus; Vibratory screening apparatus has the compass screen surface that 3 layers of angle of inclination are 25 degree, can carry out 4 grades of screenings, and granularity turns back to step a greater than the building waste in the first layer compass screen surface aperture;
The secondary screening: the material through the first layer compass screen surface is fallen second layer compass screen surface, obtains less than the first layer compass screen surface aperture, greater than the finished product material A in second layer compass screen surface aperture;
Three grades of screenings: sieved by the 3rd layer of compass screen surface less than the material in second layer compass screen surface aperture and to collect to get finished product material B;
The level Four screening: the 3rd layer of basifacial material of sieve is that granularity is less than finished product material C and the stone flour in the 3rd layer of compass screen surface aperture.
Embodiment 2
A kind of building waste production brickmaking method of sand comprises following treatment step:
A, vibrating feed: building waste is supplied in the oscillating feeder by feeder, to improve the Working environment of crusher;
B, fragmentation: to after expecting the reaction type fragmentation, by the reaction type fragmentation building waste is carried out break process;
C, deironing: with the magnetic separation mode metal species foreign material in the building waste are carried out magnetic separation and reject, and the building waste after the magnetic separation is sent to sorting equipment by conveying belt;
D, sorting foreign material: by sorting equipment the foreign material such as the Plastic in the building waste, wooden class are sorted removal, afterwards building waste is sent to vibratory screening apparatus; The used sorting equipment of sorting foreign material is that sieve diameter is 8 centimetres wear-resisting separation sieve, and this wear-resisting separation sieve is installed in the opening for feed place on vibratory screening apparatus top, shares a drive unit with vibratory screening apparatus;
E, screening: granule materials is carried out classification by vibratory screening apparatus; Vibratory screening apparatus has the compass screen surface that 4 layers of angle of inclination are 45 degree, can carry out 5 grades of screenings, and granularity turns back to step a greater than the building waste in the first layer compass screen surface aperture;
The secondary screening: the material through the first layer compass screen surface is fallen second layer compass screen surface, obtains less than the first layer compass screen surface aperture, greater than the finished product material A in second layer compass screen surface aperture;
Three grades of screenings: sieved by the 3rd layer of compass screen surface less than the material in second layer compass screen surface aperture and to collect to get finished product material B;
The level Four screening: the 3rd layer of basifacial material of sieve is that granularity is less than the finished product material C in the 3rd layer of compass screen surface aperture;
The Pyatyi screening: the 4th layer of basifacial material of sieve is that granularity is less than thin material and the stone flour in the 4th layer of compass screen surface aperture.
Embodiment 3
A kind of building waste production brickmaking method of sand comprises following treatment step:
A, vibrating feed: building waste is supplied in the oscillating feeder by feeder, to improve the Working environment of crusher;
B, fragmentation: to after expecting the reaction type fragmentation, by the reaction type fragmentation building waste is carried out break process;
C, deironing: with the magnetic separation mode metal species foreign material in the building waste are carried out magnetic separation and reject, and the building waste after the magnetic separation is sent to sorting equipment by conveying belt;
D, sorting foreign material: by sorting equipment the foreign material such as the Plastic in the building waste, wooden class are sorted removal, afterwards building waste is sent to vibratory screening apparatus; The used sorting equipment of sorting foreign material is that sieve diameter is 10 centimetres wear-resisting separation sieve, and this wear-resisting separation sieve is installed in the opening for feed place on vibratory screening apparatus top, shares a drive unit with vibratory screening apparatus;
E, screening: granule materials is carried out classification by vibratory screening apparatus; Vibratory screening apparatus has the compass screen surface that 2 layers of angle of inclination are 30 degree, can carry out 3 grades of screenings, and granularity turns back to step a greater than the building waste in the first layer compass screen surface aperture;
The secondary screening: the material through the first layer compass screen surface is fallen second layer compass screen surface, obtains less than the first layer compass screen surface aperture, greater than the finished product material A in second layer compass screen surface aperture;
Three grades of screenings: it is that granularity is less than finished product material B and the stone flour in second layer compass screen surface aperture that the second layer sieves basifacial material.
The solid concrete brick of the sand preparation that above embodiment produces through Dali prefecture quality technical supervision comprehensive detection Spot detection, meets GB/T21144-2007 " solid concrete brick " requirement.
Claims (3)
1. a building waste production brickmaking comprises following treatment step with the method for sand:
A, vibrating feed: building waste is supplied in the oscillating feeder by feeder, to improve the Working environment of crusher;
B, fragmentation: to after expecting crusher, by crusher building waste is carried out break process;
C, deironing: with the magnetic separation mode metal species foreign material in the building waste are carried out magnetic separation and reject, and the building waste after the magnetic separation is sent to sorting equipment by conveying belt;
D, sorting foreign material: by sorting equipment the foreign material such as the Plastic in the building waste, wooden class are sorted removal, be sent to junk pile and stack, afterwards building waste is sent to vibratory screening apparatus;
E, screening: granule materials is carried out classification by vibratory screening apparatus;
It is characterized in that,
The used sorting equipment of steps d sorting foreign material is that sieve diameter is 7～10 centimetres wear-resisting separation sieve, and this wear-resisting separation sieve is installed in the opening for feed place on vibratory screening apparatus top, shares a drive unit with vibratory screening apparatus;
The screening of step e is in vibratory screening apparatus material to be carried out classification, and vibratory screening apparatus has the compass screen surface of 2～4 layers of inclination, can carry out 3～5 grades of screenings, and granularity turns back to step a greater than the building waste in the first layer compass screen surface aperture with return conveyer;
The secondary screening: the material through the first layer compass screen surface is fallen second layer compass screen surface, obtains less than the first layer compass screen surface aperture, greater than the finished product material A in second layer compass screen surface aperture;
Three grades of screenings: sieved by the 3rd layer of compass screen surface less than the material in second layer compass screen surface aperture and to collect to get finished product material B, the 3rd layer of basifacial material of sieve be granularity less than finished product material C and the stone flour in the 3rd layer of compass screen surface aperture, by that analogy, obtain varigrained material.
2. building waste production brickmaking according to claim 1 is characterized in that with the method for sand, and the fragmentation of step b is to adopt jaw crusher or reaction type fragmentation.
3. building waste production brickmaking according to claim 1 and 2 is characterized in that with the method for sand, among the step e in the vibratory screening apparatus angle of inclination of 2～4 layers of compass screen surface be 25～45 degree.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013102937546A CN103359965A (en) | 2013-07-02 | 2013-07-02 | Method for producing sand for making brick from construction waste |
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| CN2013102937546A CN103359965A (en) | 2013-07-02 | 2013-07-02 | Method for producing sand for making brick from construction waste |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103964718A (en) * | 2014-04-25 | 2014-08-06 | 桑德环境资源股份有限公司 | Method for treating construction waste |
| CN104043635A (en) * | 2014-05-29 | 2014-09-17 | 北京四方如钢混凝土制品有限公司 | Mobile combination treatment station and method for repeated use of demolition waste |
| CN105057320A (en) * | 2015-09-18 | 2015-11-18 | 南通天蓝环保能源成套设备有限公司 | Process for disposing waste residue of engineering |
| CN105502984A (en) * | 2015-12-16 | 2016-04-20 | 沙洲职业工学院 | Production technology of recycled concrete aggregate |
| CN108301285A (en) * | 2018-04-04 | 2018-07-20 | 中铁四局集团第二工程有限公司 | A kind of building waste is directly used as the processing system and processing method of roadbed filling |
| CN108569854A (en) * | 2018-03-30 | 2018-09-25 | 广东怡兴食品有限公司 | The application of building waste treatment process and gained recycled fine aggregate and reclaimed sand |
| CN109127658A (en) * | 2018-08-03 | 2019-01-04 | 庐江荣睿建设工程有限公司 | A kind of building castoff recycling technique |
| CN111112311A (en) * | 2020-02-27 | 2020-05-08 | 中天建设集团有限公司 | Building rubbish breaker for building engineering management |
| CN114535097A (en) * | 2022-03-04 | 2022-05-27 | 深圳市森蓝建设集团有限公司 | Construction waste classification treatment method and device |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103964718A (en) * | 2014-04-25 | 2014-08-06 | 桑德环境资源股份有限公司 | Method for treating construction waste |
| CN104043635A (en) * | 2014-05-29 | 2014-09-17 | 北京四方如钢混凝土制品有限公司 | Mobile combination treatment station and method for repeated use of demolition waste |
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| CN105502984A (en) * | 2015-12-16 | 2016-04-20 | 沙洲职业工学院 | Production technology of recycled concrete aggregate |
| CN108569854A (en) * | 2018-03-30 | 2018-09-25 | 广东怡兴食品有限公司 | The application of building waste treatment process and gained recycled fine aggregate and reclaimed sand |
| CN108301285A (en) * | 2018-04-04 | 2018-07-20 | 中铁四局集团第二工程有限公司 | A kind of building waste is directly used as the processing system and processing method of roadbed filling |
| CN109127658A (en) * | 2018-08-03 | 2019-01-04 | 庐江荣睿建设工程有限公司 | A kind of building castoff recycling technique |
| CN111112311A (en) * | 2020-02-27 | 2020-05-08 | 中天建设集团有限公司 | Building rubbish breaker for building engineering management |
| CN111112311B (en) * | 2020-02-27 | 2021-04-23 | 中天建设集团有限公司 | Building rubbish breaker for building engineering management |
| CN114535097A (en) * | 2022-03-04 | 2022-05-27 | 深圳市森蓝建设集团有限公司 | Construction waste classification treatment method and device |
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Application publication date: 20131023 |