CN107661865A - Building waste sorts front-end detection system - Google Patents
Building waste sorts front-end detection system Download PDFInfo
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- CN107661865A CN107661865A CN201710463876.3A CN201710463876A CN107661865A CN 107661865 A CN107661865 A CN 107661865A CN 201710463876 A CN201710463876 A CN 201710463876A CN 107661865 A CN107661865 A CN 107661865A
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- signal
- building waste
- detection system
- receiving unit
- end detection
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
- B07C5/3416—Sorting according to other particular properties according to radiation transmissivity, e.g. for light, x-rays, particle radiation
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Sorting Of Articles (AREA)
Abstract
Building waste sorts front-end detection system, including signal receiving unit, signal transmitter unit and control unit, signal receiving unit and signal transmitter unit may be contained within above rubbish conveyer belt, signal receiving unit is towards belt direction transmission signal, the position that signal receiving unit is arranged at signal reflex is used to receive reflected signal, signal receiving unit is connected to the reflected signal to control unit feedback reception with control unit, and the achievable efficient identification building waste type of the present invention is for garbage sorting.
Description
Technical field
The present invention relates to building waste sorting device technical field, more particularly to a kind of building waste sorting front-end detection
System.
Background technology
Building waste refers in process of construction or old building maintenance and caused solid waste in demolishing process,
Including dregs, concrete block, crushed stone, brick and tile fragment, waste mortar, mud, asphalt blocks, waste plastics, old metal, useless bamboo wood, etc.
China accounts for the 40% of municipal refuse between caused building waste total amount is about hundred million tons of 15.5-24 every year at present.With 500-
600 tons/ten thousand square metres of standard calculates, to the year two thousand twenty, China is also by about 30,000,000,000 square metres of newly-increased construction area.
To realize that the sorting of building waste utilizes, the A of Application No. CN 105013718 application for a patent for invention discloses
A kind of blocks of solid building waste sorting system based on Through Several Survey Measure, the system have more than one sorting unit, often
Individual sorting unit includes detection identification division, spout part, sorting part and real-time measurement and control system.Wherein detection is known
Part does not include near infrared spectrum detection sub-module, X-ray detection submodule and common physical Characteristics Detection submodule, near red
The transmitter and receiver of external spectrum detection sub-module are respectively and fixedly installed to above and below the active section of conveyer belt, and X is penetrated
The transmitter and receiver of line detection sub-module are also respectively and fixedly installed to above and below the active section of conveyer belt, general
Physical characteristic detection sub-module is fixedly mounted on above or below the active section of conveyer belt.This kind detects the inspection of identification division
Survey module and induction module is correspondingly arranged on conveyer belt, there are the following problems：First, detection module will align with induction installation
Installation, installation inconvenience；Second, there is dust easily to overflow；Third, detection time is short, influences accuracy of detection.
The content of the invention
The purpose of the present invention is in view of the shortcomings of the prior art, there is provided a kind of efficiently and reliably to identify building waste
Building waste sorts front-end detection system.
The purpose of the present invention is realized by following technical solution：
Building waste sorts front-end detection system, including signal receiving unit, signal transmitter unit and control unit, its
It is characterised by：Signal receiving unit and signal transmitter unit may be contained within above rubbish conveyer belt, and signal receiving unit is towards defeated
Band direction transmission signal is sent, the position that signal receiving unit is arranged at signal reflex is used to receive reflected signal, and signal receives single
Member is connected to the reflected signal to control unit feedback reception with control unit.
Further, the signal transmitter unit includes X-ray emission source, and signal receiving unit is examined including XRF
Survey device.
Further, in addition to the photosensor arrays that are arranged on above conveyer belt, photosensor arrays with it is described
Control unit connects, and the signal and XRF detector that described control unit can be fed back according to photosensor arrays feed back
Signal determine the horizontal arrangement of rubbish.
Further, in addition to the image collecting device being connected above conveyer belt with described control unit is arranged on, it is described
The image information that the signal and image collecting device that control unit can be fed back according to photosensor arrays feed back determines rubbish
Laterally arrangement.
Further, the signal transmitter unit includes near infrared emission source, and signal receiving unit includes near infrared detection
Device.
Further, the near infrared emission source is near-infrared halogen tungsten lamp light source array, and the near infrared detector includes
Narrow band pass filter, phototransistor and signal processing circuit.
Further, the signal receiving unit and the angle of the signal transmitter unit are 20-80 °.
Further, in addition to the eddy current detection device that is arranged on below conveyer belt.
The present invention has the advantages that：
Carried out the present invention be directed to China's building waste at this stage and finely sort relatively difficult and higher cost situation
A kind of multiduty building waste sorting front end recognition device is proposed, it can effectively identify stone in building waste, mixed
The building wastes such as solidifying soil, fragment of brick, plastics, rubber, timber, metal, pitch, are applied equally to Other Waste such as house refuse
With the sorting identification that becomes more meticulous of industrial refuse.
Brief description of the drawings
The present invention is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is the X-ray fluorescence spectrum detection system schematic diagram in the present invention；
Fig. 2 is the near infrared detection system sorting principle figure in the present invention；
Fig. 3 is the Technology Roadmap of the configuration near infrared detection system in the present invention；
Embodiment
Referring to figs. 1 to shown in Fig. 3, below in conjunction with accompanying drawing, the present invention will be described in detail.
Building waste screens out some micro- subtitle substance (particle, powder after a series of processing of broken and pre-dressings
Dirt etc.), can there must be the organic and inorganic refuse mixture of recovery value, this organic and inorganic refuse mixture be carried out clear
The pretreatment such as clean and dry, can obtain the organic-inorganics such as concrete, fragment of brick, stone, plastics, rubber, bamboo and wood, metal, pitch
Pending main material of the garbage mixture as this recognition detection system.
Building waste sorting front-end detection system includes X-ray fluorescence spectrum detection system, near infrared detection system, electricity
Eddy current testing device, photosensor arrays, image collecting device, wherein, X-ray fluorescence spectrum detection system, near-infrared inspection
Examining system, photosensor arrays and image collecting device are arranged above conveyer belt, and eddy current detection device is arranged on defeated
Send band lower section.
As shown in Fig. 2 X-ray fluorescence spectrum detection system, including X-ray emission source 1 and XRF detector 2,
Photosensor arrays 3 are located at the lower right of XRF detector 2, and the two upper-lower position is misaligned.X-ray emission source 1,
XRF detector 2 and photosensor arrays 3 all cover the whole width of conveyer belt.During work, X-ray emission
Source 1 sends x-ray bombardment to conveyer belt, and XRF detector 2 detects that thing to be picked is excited to fluoresce, and is converted into
Colored or black white image, high speed computer system are handled image, are compared with element X-ray fluorescence spectra,
Judge thing to be picked, after the lateral attitude of thing to be picked determined by microcontroller combination photoelectric sensor and then realize sort operation.
It can be realized to the inorganic refuse in building waste such as fragment of brick, glass, concrete using x ray fluorescence spectrometry
With the sorting of stone etc..The main component of red fragment of brick is dicalcium silicate (2CaO SiO2), tricalcium silicate (23CaO SiO), aluminium
Sour DFP (233CaO Al O) and (23Fe O) etc., also contain in blue bricks34Fe O.The main component of concrete be tricalcium silicate,
Dicalcium silicate, tricalcium aluminate, tetra calcium aluminoferrite (23233CaO Al O Fe O), and a small amount of calcium sulfate (4CaSO) etc..It is for building
Stone is mainly granite and marble, main component3CaCO,2SiO and a small amount of silicate etc..The species of cement is more, its
Form it is otherwise varied, commonly use cement main component be tricalcium silicate, dicalcium silicate, tricalcium aluminate etc..The main component of glass
It is2SiO and silicate etc..The content of identical component in above-mentioned several building wastes is different, some also to contain characteristic element,
Characteristic parameter when these differences can be as sorting.
As shown in figure 3, near infrared detection system, including near infrared emission source and near infrared detector, near infrared emission source
Including near-infrared halogen tungsten lamp light source 11,12 arrays, near infrared detector includes the array of near-infrared narrow band pass filter 2, photoelectric crystal
The array of pipe 3 and signal processing circuit array.To ensure the illumination in the detection identification region of the whole width of conveyer belt
Uniformly, the halogen tungsten lamp light source 11 of the left and right sides above identification region is detected, 12 arrays answer left and right to be staggered.Near-infrared arrowband
The array of optical filter 2 and the array of phototransistor 3 and signal processing circuit array are covered to the width of conveyer belt, arrangement
Gap can determine according to thing size to be picked.Each narrow band pass filter 2 corresponds at 3, signals of a phototransistor
Manage circuit.Near-infrared near-infrared identification device work when, signal processing circuit directly with it is micro- in real-time sorting control system
Controller is connected, and single microcontroller can connect multiple signal processing circuits.
Near infrared spectrum (780-2526nm) has abundant structure and composition information, is highly suitable for hydrocarbon organic
The composition measurement of thing.Accordingly, the differentiation to such as different material such as plastics, timber, rubber of the organic matter in building waste can be achieved
Separation.Plastics 70% in building waste are above is polyolefin, including polyethylene (PE), polypropylene (PP), polyvinyl chloride
(PVC), polyethylene terephthalate (PET) etc..Timber in building waste is mainly bamboo and wood and cardboard, its mainly into
It is cellulose to divide.Rubber main component in building waste be natural rubber (polyisoprene), butadiene-styrene rubber (butadiene and
The EVA of styrene), butadiene rubber (butadiene polymer), neoprene (chloroprene polymer) etc..In each organic matter
The species of characteristic group (C-H, O-H, N-H and S-H) and the greatest differences of content correspond to different in atlas of near infrared spectra
Absorption peak.
Inspection information knows that polyethylene (PE) plastics have at 1200nm, 1400nm and 1700nm in atlas of near infrared spectra
Characteristic peak at three, this feature differ greatly from other plastics or organic matter.It can design for vinyon accordingly
Near-infrared identification device, the near infrared light of prioritizing selection and other organic matters (including other plastics, timber, rubber and pitch)
The maximum single or multiple characteristic peak (selecting 1200nm herein) of spectrum signature peak difference, cardiac wave in being selected according to this characteristic peak
A length of 1200nm 3nm, bandwidth range 10nm narrow band pass filter, transmitted light is filtered out rear only remaining 1190nm~1210nm's
Wave band, this band of light convert optical signals to voltage signal by phototransistor again, and microcontroller is delivered to after AD sample conversions
Device, it is identified by microcontroller and is judged.When other organic matters pass through this near-infrared identification device, microcontroller collects
Voltage signal do not reach given threshold, but when PE plastics pass through near-infrared identification device, reaching given threshold can be single-minded
Property identification sorting PE plastics.Configuration identifies the similar of other organic wastes.
There is phase in identical light wave strong point (1200nm, 1400nm and 1700nm) if any with above-mentioned vinyon (PE)
As characteristic peak when, can according to corresponding to the peak value difference of characteristic peak sets three groups of optical filters and three groups phototransistor, according to
Judgement is identified in the voltage differences of three groups of phototransistors.
The centre wavelength and error range of above-mentioned optical filter, free transmission range and transmitance are on-demand customized.
Real-time sorting control system in the system is made up of host computer high-speed computer and slave computer microcontroller,
Host computer high-speed computer is responsible for handling complicated image signal in real time, and slave computer is mainly responsible for receiving the control of host computer
System instruction and the opening and closing of control nozzle valve.The control system of this combination can tackle increasingly complex situation, while can also protect
The real-time and rapidity of processing are demonstrate,proved, farthest improves the efficiency of sorting system.
Above-mentioned near-infrared identification device can directly by core of the slave computer microcontroller as real-time detection sorting system,
Without being participated in host computer high-speed computer, the cost of the system is significantly reduced.
Some embodiments of the present invention are above are only, but the design concept of the present invention is not limited thereto, all profits
The change of unsubstantiality is carried out to the present invention with this design, the behavior for invading the scope of the present invention all should be belonged to.
Claims (8)
1. building waste sorts front-end detection system, including signal receiving unit, signal transmitter unit and control unit, its feature
It is：Signal receiving unit and signal transmitter unit may be contained within above rubbish conveyer belt, and signal receiving unit is towards conveyer belt
Direction transmission signal, the position that signal receiving unit is arranged at signal reflex are used to receive reflected signal, signal receiving unit with
Control unit is connected to the reflected signal to control unit feedback reception.
2. building waste according to claim 1 sorts front-end detection system, it is characterised in that：The signal transmitter unit
Including X-ray emission source, signal receiving unit includes XRF detector.
3. building waste according to claim 2 sorts front-end detection system, it is characterised in that：Also include being arranged on conveying
Photosensor arrays with top, photosensor arrays are connected with described control unit, and described control unit can be according to light
The signal of electric transducer array feedback and the signal of XRF detector feedback determine the horizontal arrangement of rubbish.
4. building waste according to claim 3 sorts front-end detection system, it is characterised in that：Also include being arranged on conveying
The image collecting device being connected with top with described control unit, what described control unit can be fed back according to photosensor arrays
The image information of signal and image collecting device feedback determines the horizontal arrangement of rubbish.
5. building waste according to claim 1 sorts front-end detection system, it is characterised in that：The signal transmitter unit
Including near infrared emission source, signal receiving unit includes near infrared detector.
6. building waste according to claim 5 sorts front-end detection system, it is characterised in that：The near infrared emission source
For near-infrared halogen tungsten lamp light source array, the near infrared detector includes narrow band pass filter, phototransistor and signal transacting electricity
Road.
7. the building waste sorting front-end detection system according to any one of claim 1 to 6, it is characterised in that：The letter
Number receiving unit and the angle of the signal transmitter unit are 20-80 °.
8. the building waste sorting front-end detection system according to any one of claim 1 to 6, it is characterised in that：Also include
The eddy current detection device being arranged on below conveyer belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710463876.3A CN107661865A (en) | 2017-06-19 | 2017-06-19 | Building waste sorts front-end detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710463876.3A CN107661865A (en) | 2017-06-19 | 2017-06-19 | Building waste sorts front-end detection system |
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| Publication Number | Publication Date |
|---|---|
| CN107661865A true CN107661865A (en) | 2018-02-06 |
Family
ID=61122244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710463876.3A Pending CN107661865A (en) | 2017-06-19 | 2017-06-19 | Building waste sorts front-end detection system |
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| Country | Link |
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| CN (1) | CN107661865A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108906661A (en) * | 2018-07-27 | 2018-11-30 | 上海城建物资有限公司 | Multiband infrared imaging building waste organic matter and inorganic matter identification and sorting |
| CN112958488A (en) * | 2021-02-11 | 2021-06-15 | 中北大学 | Non-ferrous metal classification device and method based on eddy current sensor |
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| CN204934032U (en) * | 2015-09-22 | 2016-01-06 | 泉州装备制造研究所 | A kind of device of XRF on-line checkingi sorting building waste |
| US20160228921A1 (en) * | 2015-02-10 | 2016-08-11 | Veolia Environnement-VE | Selective Sorting Method |
| CN207343286U (en) * | 2017-06-19 | 2018-05-11 | 福建南方路面机械有限公司 | Building waste sorts front-end detection system |
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Patent Citations (6)
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| CN2597109Y (en) * | 2003-01-03 | 2004-01-07 | 利马高科（成都）有限公司 | Pneumatic sorting device for non-magnetic metals |
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| US20160228921A1 (en) * | 2015-02-10 | 2016-08-11 | Veolia Environnement-VE | Selective Sorting Method |
| CN105013718A (en) * | 2015-07-31 | 2015-11-04 | 泉州装备制造研究所 | System for sorting blocky solid construction waste on basis of multiple detection modes |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108906661A (en) * | 2018-07-27 | 2018-11-30 | 上海城建物资有限公司 | Multiband infrared imaging building waste organic matter and inorganic matter identification and sorting |
| CN112958488A (en) * | 2021-02-11 | 2021-06-15 | 中北大学 | Non-ferrous metal classification device and method based on eddy current sensor |
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| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 362000 Fujian province Quanzhou Fengze District High-tech Industrial Park Sports Street No. 700 Applicant after: Fujian Nanfang pavement machinery Co., Ltd Address before: 362000 Fujian province Quanzhou Fengze District High-tech Industrial Park Sports Street No. 700 Applicant before: FUJIAN SOUTH HIGHWAY MACHINERY Co.,Ltd. |
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20180206 |