CN112138857A - Building rubbish sorting system - Google Patents
Building rubbish sorting system Download PDFInfo
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- CN112138857A CN112138857A CN202010976254.2A CN202010976254A CN112138857A CN 112138857 A CN112138857 A CN 112138857A CN 202010976254 A CN202010976254 A CN 202010976254A CN 112138857 A CN112138857 A CN 112138857A
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- CN
- China
- Prior art keywords
- light material
- construction waste
- aggregate
- flotation machine
- visual sensor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B7/00—Combinations of wet processes or apparatus with other processes or apparatus, e.g. for dressing ores or garbage
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B9/00—General arrangement of separating plant, e.g. flow sheets
- B03B9/06—General arrangement of separating plant, e.g. flow sheets specially adapted for refuse
- B03B9/061—General arrangement of separating plant, e.g. flow sheets specially adapted for refuse the refuse being industrial
- B03B9/065—General arrangement of separating plant, e.g. flow sheets specially adapted for refuse the refuse being industrial the refuse being building rubble
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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
- Y02W30/58—Construction or demolition [C&D] 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
- Y02W30/62—Plastics recycling; Rubber recycling
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- Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
Abstract
The invention discloses a construction waste sorting system, which comprises a light material flotation machine and a light material aerated block sorting machine, wherein a blowdown valve and a water replenishing valve are arranged on the light material flotation machine and the light material aerated block sorting machine respectively; the construction waste sorting system automatically controls the feeding speed, the sorting water quantity, the sorting water flow speed, the pollution discharge speed and the like according to the proportion of each component in the construction waste, and improves the sorting efficiency and the sorting effect.
Description
Technical Field
The invention belongs to the field of building waste sorting, and particularly relates to a building waste sorting system.
Background
In the treatment of construction waste, various wastes with different volumes, different qualities, different purposes, different properties, different densities and the like need to be sorted. The most common construction waste generally mainly comprises aggregate, silt, aerated block and light-weight waste, the light-weight waste mainly comprises waste substances such as rags, paper sheets, plastics, wood chips and the like which are not available, and the aerated block, the aggregate, the silt and the like can be recycled, so that the cost is saved, and the environmental pressure is reduced. In the prior art, the construction waste is mostly sorted in water by utilizing the difference of the weight and the density of each substance in the construction waste, and the separation of each substance is realized by utilizing the buoyancy and the water flow speed of the water. Therefore, the water flow speed, the water quantity and the aggregate quantity are all factors influencing the sorting effect during sorting, but in the prior art, the sorting does not limit the sorting water quantity, the water flow speed, the aggregate feeding speed and the like, so that the sorting effect is influenced.
Disclosure of Invention
The invention aims to provide a construction waste sorting system which can automatically control the feeding speed, the sorting water quantity, the sorting water flow rate, the pollution discharge speed and the like according to the proportion of each component in construction waste, and improve the sorting efficiency and the sorting effect.
The building garbage sorting system comprises a light material flotation machine for separating aggregate from light materials, and a light material aerated block sorting machine for separating aerated blocks from light materials, wherein the light material aerated block sorting machine is arranged at the rear part of the light material flotation machine;
the light material flotation machine and the light material aerated block sorting machine are respectively provided with a sewage discharge port and a water replenishing port, the two sewage discharge ports and the two water replenishing ports are respectively provided with a sewage discharge valve and a water replenishing valve,
the front part of the light material flotation machine is provided with an aggregate feeding conveying belt and a visual sensor, the visual sensor is arranged towards the conveying surface of the aggregate feeding conveying belt, the visual sensor is connected with a central controller, the visual sensor extracts construction waste information about to enter the light material flotation machine from the aggregate feeding conveying belt and transmits signals to the central controller, the central controller analyzes the proportion of light materials, silt and aggregate in the construction waste, and controls the conveying speed of the aggregate feeding conveying belt, the blowdown speed and the blowdown interval of the two blowdown valves and the water replenishing speed of the two water replenishing valves according to the proportion of the materials.
Preferably, the method for extracting the construction waste information by the visual sensor comprises the following steps:
firstly, setting a visual sensor acquisition period to ensure that the construction waste at the same position is subjected to information extraction only once in the visual field range of the visual sensor;
then, the visual sensor extracts the construction waste information in a photographing mode to obtain an image of the construction waste to be sorted;
uploading the image of the construction waste to a central controller, carrying out region division on the image of the construction waste by the central controller, and then comparing the graph in each region with a pre-stored standard image;
finally, obtaining the similarity between the building rubbish image in each area and the standard image; and when the similarity reaches a set threshold, judging the category of the garbage in the region.
Preferably, the vision sensor acquisition period is a time interval between the beginning of building rubbish in a selected area entering the vision sensor field of view and the end of the area leaving the vision sensor field of view.
Preferably, the acquisition period of the visual sensor is automatically adjusted by a central controller, the central controller automatically controls the conveying speed of the aggregate feeding conveying belt, the conveying speed of the aggregate feeding conveying belt is changed, and the acquisition period of the visual sensor is changed accordingly.
Preferably, light material flotation device rear portion is connected with the sewage sedimentation tank, be provided with spiral bailing machine in the sewage sedimentation tank, the sewage sedimentation tank rear portion is connected with sewage treatment system, the last clear water circulation mouth that is provided with of sewage treatment system, clear water circulation mouth with the moisturizing valve is connected, still be connected with the running water moisturizing pipe on the moisturizing valve.
Preferably, the rear part of the light material flotation machine is provided with a linear dewatering screen for dewatering sorted aggregate, the linear dewatering screen and the light material aerated block sorting machine are both provided with sewage ports, and the two sewage ports are both connected with a sewage sedimentation tank.
Preferably, an ultrasonic water level sensor is arranged in the light material flotation machine, the ultrasonic water level sensor is connected with the central processing unit, and a water replenishing valve on the light material flotation machine is controlled by the central processing unit to replenish water.
Preferably, both the blowdown valves and both the water replenishing valves are automatic control valves.
The construction waste sorting system has the beneficial effects that:
1. the visual sensor is used for extracting the proportion of each substance in the construction waste, the conveying speed of the aggregate feeding conveying belt, the blowdown speed of the two blowdown valves, the blowdown interval and the water replenishing speed of the two water replenishing valves are controlled according to the proportion of each substance, the construction waste sorting efficiency and effect are improved, and the problem that the sorting effect is influenced by the problems of small water amount, low water flow speed, high construction waste density and the like is avoided.
2. The central controller is adopted for full-automatic control, one-key control is realized, the operation is simplified, the labor intensity is reduced, and more accurate control is realized.
Drawings
FIG. 1 is a sorting flow chart of the construction waste sorting system according to the technical scheme of the invention,
fig. 2 is a control schematic diagram of the construction waste sorting system according to the technical scheme of the invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
As shown in fig. 1, the construction waste sorting system according to the technical scheme of the present invention includes a light material flotation machine for separating aggregate from light materials, and a light material aerated block sorting machine for separating aerated blocks from light materials, wherein the light material aerated block sorting machine is arranged at the rear of the light material flotation machine. The light substance flotation machine and the light substance aerated block sorting machine are respectively provided with a sewage discharge port and a water replenishing port, and the sewage discharge port and the water replenishing port are respectively provided with a sewage discharge valve and a water replenishing valve. The front part of the light material flotation machine is provided with an aggregate feeding conveyer belt and a visual sensor, the visual sensor is arranged towards the conveying surface of the aggregate feeding conveyer belt, the visual sensor is connected with a central controller, the visual sensor extracts construction waste information about entering the light material flotation machine on the aggregate feeding conveyer belt and transmits signals to the central controller, the central controller analyzes the proportion of light materials, silt and aggregate in the construction waste, and controls the conveying speed of the aggregate feeding conveyer belt, the blowdown speed of two blowdown valves, the blowdown interval and the water replenishing speed of two water replenishing valves according to the proportion of the materials.
The method for extracting the construction waste information by the vision sensor comprises the following steps:
firstly, setting a visual sensor acquisition period to ensure that the construction waste at the same position is subjected to information extraction only once in the visual field range of the visual sensor;
then, the visual sensor extracts the construction waste information in a photographing mode to obtain an image of the construction waste to be sorted;
uploading the image of the construction waste to a central controller, carrying out region division on the image of the construction waste by the central controller, and then comparing the graph in each region with a pre-stored standard image;
finally, obtaining the similarity between the building rubbish image in each area and the standard image; and when the similarity reaches a set threshold, judging the category of the garbage in the region.
The vision sensor acquisition cycle is the time interval between the beginning of building waste entering the vision sensor field of view and the end of building waste leaving the vision sensor field of view.
The acquisition period of the visual sensor is automatically adjusted by the central controller, the central controller automatically controls the conveying speed of the aggregate feeding conveying belt, the conveying speed of the aggregate feeding conveying belt is changed, and the acquisition period of the visual sensor is changed accordingly.
The rear part of the light substance flotation machine is connected with a sewage sedimentation tank, a spiral bailing machine is arranged in the sewage sedimentation tank, the rear part of the sewage sedimentation tank is connected with a sewage treatment system, a clear water circulation port is arranged on the sewage treatment system, the clear water circulation port is connected with a water replenishing valve, and a tap water replenishing pipe is also connected to the water replenishing valve.
The rear part of the light material flotation machine is provided with a linear dewatering screen for dewatering sorted aggregate, the linear dewatering screen and the light material aerated block sorting machine are both provided with sewage ports, and the two sewage ports are both connected with a sewage sedimentation tank.
An ultrasonic water level sensor is arranged in the light material flotation machine and connected with a central processing unit, a water replenishing valve on the light material flotation machine is controlled by the central processing unit to replenish water, namely, when the ultrasonic water level sensor senses that the water level in the light material flotation machine is lower than a set value, the central processing unit controls the water replenishing valve to replenish water into the light material flotation machine. The water replenishing valve controls the water replenishing speed through the amount of each component of the aggregate on one hand, and controls the water replenishing speed through the water level in the light material flotation machine on the other hand, so that the normal sorting is ensured.
The two blowdown valves and the two water replenishing valves are automatic control valves.
Specific example 1:
as shown in fig. 1, in the first step, the mixed construction waste raw material containing aggregate, silt, aerated block and light material garbage is conveyed to a light material flotation machine through an aggregate feeding conveyer belt, and the mixed raw material is separated and discharged to obtain aggregate and light material after removing light material, wherein the light material comprises the aerated block and the light material garbage.
And secondly, dehydrating the aggregate without the light substances through a linear dehydration sieve, and conveying the dehydrated aggregate to an aggregate storage yard through an aggregate discharge conveying belt to realize the recovery and utilization of the aggregate.
And thirdly, separating light materials including the aerated block and the light material garbage by a light material aerated block separator to obtain the aerated block and the light material garbage, and respectively conveying the aerated block and the light material garbage to an aerated block storage yard and a light material garbage storage yard by a conveying belt 3 and a conveying belt 2. The separation of aggregate, aerated block and light garbage in the mixed construction garbage is realized.
And the light substance flotation machine is connected with a sewage discharge grid, and the silt and the sewage generated on the light substance flotation machine are discharged to a sewage sedimentation tank through the sewage discharge grid. And the linear dewatering screen and the light material aerated block sorting machine are respectively provided with a water outlet, and sewage generated on the linear dewatering screen and the light material aerated block sorting machine is respectively discharged to a sewage sedimentation tank through the water outlets. A spiral sand bailer is arranged in the sewage sedimentation tank, and fine sand in the sewage sedimentation tank is bailed out and is conveyed to an aggregate storage yard through a conveying belt 1. And carrying out secondary sedimentation, separation, sterilization and the like on the sewage in the sewage sedimentation tank through a sewage treatment system to obtain sludge and clear water, conveying the sludge to a sludge yard, and replenishing water to the light substance flotation machine and the light substance aerated block sorting machine through a water replenishing circulating pipe.
The method comprises the steps that a vision sensor is arranged on the upper portion of an aggregate feeding conveying belt and used for capturing images of raw materials conveyed on the aggregate feeding conveying belt, images of the raw materials are obtained and transmitted to a central controller, the central controller analyzes the proportion of aggregate, silt and light materials in the raw materials in a section of area on the aggregate feeding conveying belt, controls conveying of the aggregate feeding conveying belt according to the proportion of the aggregate, controls the pollution discharge speed and interval time of a pollution discharge opening in a light material flotation machine according to the proportion of the silt, and controls the water flow speed in the light material flotation machine according to the proportion of the light materials.
It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by one of ordinary skill in the art and related arts based on the embodiments of the present invention without any creative effort, shall fall within the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.
Claims (8)
1. A construction waste sorting system is characterized by comprising a light material flotation machine for separating aggregate from light materials and a light material aerated block sorting machine for separating aerated blocks from light materials, wherein the light material aerated block sorting machine is arranged at the rear part of the light material flotation machine;
the light material flotation machine and the light material aerated block sorting machine are respectively provided with a sewage discharge port and a water replenishing port, the two sewage discharge ports and the two water replenishing ports are respectively provided with a sewage discharge valve and a water replenishing valve,
the front part of the light material flotation machine is provided with an aggregate feeding conveying belt and a visual sensor, the visual sensor is arranged towards the conveying surface of the aggregate feeding conveying belt, the visual sensor is connected with a central controller, the visual sensor extracts construction waste information about to enter the light material flotation machine from the aggregate feeding conveying belt and transmits signals to the central controller, the central controller analyzes the proportion of light materials, silt and aggregate in the construction waste, and controls the conveying speed of the aggregate feeding conveying belt, the blowdown speed and the blowdown interval of the two blowdown valves and the water replenishing speed of the two water replenishing valves according to the proportion of the materials.
2. The construction waste sorting system according to claim 1, wherein the method for extracting the construction waste information by the vision sensor is as follows:
firstly, setting a visual sensor acquisition period to ensure that the construction waste at the same position is subjected to information extraction only once in the visual field range of the visual sensor;
then, the visual sensor extracts the construction waste information in a photographing mode to obtain an image of the construction waste to be sorted;
uploading the image of the construction waste to a central controller, carrying out region division on the image of the construction waste by the central controller, and then comparing the graph in each region with a pre-stored standard image;
finally, obtaining the similarity between the building rubbish image in each area and the standard image; and when the similarity reaches a set threshold, judging the category of the garbage in the region.
3. The construction waste sorting system of claim 2, wherein the visual sensor acquisition cycle is a time interval between the start of construction waste entering the visual sensor field of view and the complete exit of the visual sensor field of view in a selected area.
4. The construction waste sorting system according to claim 2, wherein the collection period of the vision sensor is automatically adjusted by a central controller, the central controller automatically controls the conveying speed of the aggregate feeding conveyer belt, the conveying speed of the aggregate feeding conveyer belt is changed, and the collection period of the vision sensor is changed accordingly.
5. The building waste sorting system according to claim 1, wherein a sewage sedimentation tank is connected to the rear portion of the light material flotation machine, a spiral bailing machine is arranged in the sewage sedimentation tank, a sewage treatment system is connected to the rear portion of the sewage sedimentation tank, a clean water circulation port is arranged on the sewage treatment system, the clean water circulation port is connected with the water replenishing valve, and a tap water replenishing pipe is further connected to the water replenishing valve.
6. The building garbage sorting system according to claim 5, wherein a linear dewatering screen for dewatering the sorted aggregate is arranged at the rear part of the light material flotation machine, and sewage ports are arranged on the linear dewatering screen and the light material aerated block sorting machine and are connected with a sewage sedimentation tank.
7. The building waste sorting system according to claim 5, wherein an ultrasonic water level sensor is arranged in the light material flotation machine, the ultrasonic water level sensor is connected with the central processing unit, and a water replenishing valve on the light material flotation machine is controlled by the central processing unit to replenish water.
8. The construction waste sorting system of claim 1, wherein both of the blowdown valves and both of the makeup water valves are automatically controlled valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010976254.2A CN112138857B (en) | 2020-09-16 | 2020-09-16 | Building rubbish sorting system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010976254.2A CN112138857B (en) | 2020-09-16 | 2020-09-16 | Building rubbish sorting system |
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| CN112138857A true CN112138857A (en) | 2020-12-29 |
| CN112138857B CN112138857B (en) | 2022-05-10 |
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| CN202010976254.2A Active CN112138857B (en) | 2020-09-16 | 2020-09-16 | Building rubbish sorting system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113578938A (en) * | 2021-09-15 | 2021-11-02 | 顺叱华(青岛)智能科技有限公司 | Stale and mixed garbage resource utilization production line and manufacturing method thereof |
| CN114345892A (en) * | 2021-12-24 | 2022-04-15 | 苏州嘉诺智能装备有限公司 | Garbage classification processing system and method |
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| CN112138857B (en) | 2022-05-10 |
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