KR20230067058A - Trading system of recyclable waste plastic resource - Google Patents

Abstract

Disclosed is a trading system for recyclable waste plastic resources that promotes e-commerce based on the quality of waste plastic resources. The disclosed trading system for recyclable waste plastic resources comprises: an operation server; inspection equipment that provides quality information on waste plastic resources by examining the level of foreign substances contained in the waste plastic resources produced; a supplier terminal that uploads supply information comprising the type, production volume, production schedule, quality information, storage location, and supplier information of waste plastic resources to the operation server and provides transaction request information received from the operation server; a customer terminal that uploads demand information, comprising the type of waste plastic resource, required quality, demand quantity, and demand location, to the operation server, receives information on waste plastic resources from the operation server and provides transaction request information to the operation server based on this information. The operation server provides supply information matching the demand information to the consumer terminal based on the uploaded demand information and supply information and provides the transaction request information received from the consumer terminal to the supplier terminal.

Description

Trading system of recyclable waste plastic resource}

The present invention relates to a trading system for recyclable waste plastic resources, and more particularly, to a trading system for recyclable waste plastic resources capable of promoting electronic commerce based on the quality of waste plastic resources.

BACKGROUND OF THE INVENTION Plastics (synthetic resins) are widely used in life and industry, and their usage is rapidly increasing every year. Looking at the amount of waste plastic generated in Korea, about 40% is collected as a mixture of foreign substances and other materials as life-related complex waste plastic. In order to recycle this waste plastic, it is necessary to separate and sort the waste plastic by material through a collection, crushing, and sorting process. Separated and sorted waste plastics contain foreign substances with only a difference in degree even if they go through the sorting process due to their nature.

In this case, the lower the ratio of foreign substances contained in the recyclable waste plastic, the higher the unit price. On the other hand, if you look at the actual transaction situation, you are managing recycled waste plastic in a rule-of-thumb fashion without grasping the ratio of foreign substances in recycled waste plastic in real time. Accordingly, there is a problem in that the supplier cannot properly receive the unit price of the recycled waste plastic, and in the case of the consumer, it is difficult to purchase the recycled waste plastic having a desired quality.

Registered Patent No. 10-2199852 (Announcement Date: 2021.01.11.)

The present invention was created in view of the above problems, and the supplier side identifies and provides the quality of recyclable waste plastic produced, and the consumer side can purchase recycled waste plastic of desired quality based on the quality information. Its purpose is to provide a trading system and method for plastic resources.

In order to achieve the above object, the present invention is a recycling system for waste plastic resources,

an operating server; Inspection equipment for providing quality information of the waste plastic resources by inspecting the degree of foreign matter contained in the waste plastic resources produced; a provider terminal uploading supply information including the type, amount, production schedule, quality information, storage location, and supplier information of the waste plastic resources to the operation server, and providing transaction request information received from the operation server; Demand information, including the type, demand quality, demand quantity, and demand location of waste plastic resources, is uploaded to the operation server, information on waste plastic resources is provided from the operation server, and the transaction request information is transmitted to the operation server based on this. It includes a consumer terminal provided to

Here, the operation server provides supply information matching the demand information to the consumer terminal based on the uploaded demand information and the supply information, and transmits the transaction request information received from the consumer terminal to the supplier terminal. can provide

In addition, the operation server includes an information management unit for storing and managing the supply information and the demand information; Based on the quality information, a reference price determining unit for determining a transaction reference price by differentiating the quality of waste plastic resources; A waste plastic resource recommendation management unit for recommending information on waste plastic resources that meet the demand among the waste plastic resources based on supply information matching the demand information may be included.

In addition, the operation server includes a payment management unit that manages payment for waste plastic resources being traded; It may further include a credit management unit for managing credit for the supplier and the consumer based on past transaction information.

In addition, the operation server predicts and provides a waste plastic resource supply schedule based on the amount and production schedule of waste plastic resources uploaded from the supplier terminal and the total demand for each required quality of waste plastic resources uploaded from the consumer terminal. It may further include a supply and demand forecasting unit.

In addition, the inspection equipment is installed on the transport path of the waste plastic finally sorted by the waste plastic sorting device to inspect the ratio of foreign substances included in the produced waste plastic resources in real time, and the inspection result is passed through the supplier terminal or It can be directly provided to the operation server.

In addition, the inspection equipment may encrypt the inspection result into unmodifiable information and provide the information to the operation server.

The trading system for recyclable waste plastic resources according to the present invention mediates transactions between suppliers and consumers based on the quality of waste plastic resources produced. Accordingly, the supplier can receive a reasonable price by selling waste plastic resources based on the quality of a predetermined sales unit, and can be motivated to improve quality. In addition, the consumer can procure resources of a desired quality level.

The trading system for recyclable waste plastic resources according to the present invention can minimize logistics costs by concluding a transaction based on location information of suppliers and consumers in addition to the quality information described above.

1 is a process flow diagram of waste plastic resources that can be recycled;
Figure 2 is a table showing the price trend of PE regeneration flakes among the results of a price survey of recyclable resources conducted by the Korea Environment Corporation (August 2021).
3 is a diagram showing a trading system for recyclable waste plastic resources according to an embodiment of the present invention.
4 is a block diagram showing an operation server of a trading system for recyclable waste plastic resources according to an embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. In order to clearly describe the present invention in the drawings, parts irrelevant to the description are omitted, and the same reference numerals are used for the same or similar components throughout the specification.

1 is a system diagram for processing waste plastic resources that can be recycled.

Referring to FIG. 1 , as a preprocessing process for recycling waste plastics, a crushing process (not shown) of pulverizing waste plastics to a predetermined size or less after visual separation by humans and a sorting process may be included. Devices used in the sorting process include a magnetic sorting device (not shown) that separates resources with magnetism, a specific gravity sorting device 10 that sorts waste plastics by specific gravity difference, and a sorting machine that sorts waste plastics according to the degree of blowing by wind. It may include a wind selector 40. Here, when the waste plastic transported by the forklift 20 or the like is put into the specific gravity sorting device 10, the foreign substances included in the put pulverized waste plastic are primarily separated and removed by the difference in specific gravity. In addition, the waste plastics primarily sorted by the specific gravity sorting device 10 are transported through the first conveyor device 30 and the like, and put into the wind power sorting device 40. The wind power separator 40 once again removes foreign substances from the injected pulverized waste plastic by using wind power.

The waste plastic resources finally sorted through the above pretreatment process are finally accommodated in a sack 60 constituting a predetermined packaging unit through a transfer means such as the second conveyor device 50.

Even after passing through the above sorting process, foreign substances may be included in the recyclable waste resources accommodated in the bag 60 . Here, the degree of inclusion of foreign substances varies depending on the purity of the collected waste plastic resources, the working environment such as temperature and humidity, and the degree of deterioration of the sorting device used.

On the other hand, looking at the trading conditions of recyclable waste plastic resources, the price of mixed (lifestyle mixed) waste plastic is determined according to the type and sorting status.

Waste plastic is classified into polyethylene (PE), polypropylene (PP), polystyrene (PS), polyvinyl chloride (PVC), ABS resin, polyethylene terephthalate (PET), etc., depending on the type of material. In addition, the sorting state of waste plastic is largely divided into flake, pellet, and compressed state after sorting. Here, the flake means a pulverized product in a crushed state after washing, and the pellet means a melt-extruded product in a melted and extruded state after washing.

Figure 2 is a table showing the price trend of PE recycled flakes among the results of a price survey on recyclable resources (August 2021) conducted by the Korea Environment Corporation.

Referring to Figure 2, a company equipped with a crushing facility is a price that is supplied by year, month, and region to manufacturers using washed and shredded products as raw materials for products, regardless of quality grade according to selection status and color. The price is quoted as an average price. For example, the national average price of PE recycled flakes in August 2021 is 458 won/kg, and the metropolitan area is 589 won/kg, Gangwon 561 won/kg, Chungbuk 539 won/kg, Jeonbuk 520 won/kg, etc., with the metropolitan area having the highest , Jeonbuk is the lowest. In addition, due to industry conditions, it is being traded at a single price with reference to the above-noted price.

The present invention correctly determines the quality grade by directly inspecting the quality of the recycled plastic produced, and differentiates the price based on the determined quality grade so that the product can be traded.

A trading system for recyclable waste plastic resources according to an embodiment of the present invention is based on the quality state of waste plastic resources, and will be described in detail with reference to FIG. 3 .

3 is a block diagram showing a trading system for recyclable waste plastic resources according to an embodiment of the present invention.

Referring to FIG. 3 , the trading system for recyclable waste plastic resources according to an embodiment of the present invention includes an operation server 130 connected communicatively to each other through an inspection equipment 100 and a wired and/or wireless information communication network 110. ), a provider terminal 170 and a consumer terminal 190 are included.

The inspection equipment 100 monitors the state of the waste plastic resources produced through the above-described preprocessing process, and inspects the degree of foreign substances contained in the waste plastic resources produced to obtain quality information of the waste plastic resources. to provide. This inspection equipment 100 inspects the degree of inclusion of foreign substances in the waste plastic resources finally accommodated in the bag 60, and can be installed on the second conveyor device (50 in FIG. 1). This inspection equipment 100 can inspect the presence and degree of foreign matter contained in the pulverized waste plastic transported into the bag 60 in real time through the second conveyor device 50 .

To this end, the inspection equipment 100 may be composed of optical inspection equipment including a light source and a photodetector. The inspection equipment 100 receives light irradiated from a light source and reflected from selected waste plastics and foreign substances, and obtains information on the amount of foreign substances contained in waste plastic resources, the properties of waste plastics, etc. in real time by performing image or spectroscopic analysis. can do. Here, the amount of foreign matter means the amount of waste plastic or non-plastic material other than the selected waste plastic type, and the degree of inclusion thereof can be expressed as the amount (percentage) of foreign matter per unit mass. Since the configuration of this optical inspection equipment itself is widely known, a detailed description thereof will be omitted.

Here, although the inspection equipment 100 inspects the amount of foreign matter in real time, it is shown as an example, but is not limited thereto, and the inspection equipment 100 may also inspect the amount of foreign matter at predetermined time intervals. In addition, the inspection equipment 100 is not installed on the second conveyor device 50, and it is also possible to inspect a sample selected from waste plastic resources accommodated in a bag.

By calculating the amount of foreign matter in this way, quality information of waste plastic resources is provided in units of bags, and prices can be differentiated and determined based on quality information in addition to the above-mentioned price notice information and oil price information.

The inspection equipment 100 includes a storage unit for storing inspection results, an output unit for outputting inspection results, and/or a communication unit for transmitting the inspection results to the operation server 130 or the supplier terminal 170 by wire/wireless. can do.

The output unit outputs an inspection date, quality information, supplier information, identification information, and the like, and the output result can be distributed by being attached to the bag. In this case, the supplier terminal 170 may scan the output result and upload the quality information to the transaction system according to the present invention.

In addition, the communication unit of the inspection equipment 100 communicates with the provider terminal 170 and/or the operation server 130 by wire/wireless, and the test result is transmitted through the communication unit to the supplier terminal 170 and/or the operation server. (130).

For example, the inspection equipment 100 may transmit the inspection result to the provider terminal 170 . In this case, the provider may check the test result through the provider terminal 170 . In addition, the supplier terminal 170 may upload production-related information including inspection results to the operation server 130 .

In addition, the inspection equipment 100 may ensure reliability of the inspection result by directly uploading the inspection result to the operation server 130 by communicating the inspection result with the operation server 130 . Here, the inspection equipment 100 may encrypt the inspection result into unmodifiable information and provide the information to the operation server 130 .

The supplier terminal 170 uploads supply information of waste plastic resources to the operation server 130 and provides the sales request information received from the operation server 130 to the supplier. Here, the supply information may include the type of waste plastic resources, production volume, production schedule, quality information, storage location, supplier information, and the like.

To this end, the provider terminal 170 may include a resource management unit, a price management unit, a cost management unit, and a resource delivery unit. The resource management unit uploads supply information of waste plastic resources to the operation server 130 . The quality information of the resources produced here may be directly input from the inspection equipment 100 to the operation server 130 in addition to the supplier terminal 170 . As described later, the price management unit determines the final price based on the type of waste plastic resources, the degree of foreign matter included, etc. based on the standard price determined by the operation server 130, and sets a price that can be sold to the operation server 130. Upload. The cost management unit manages the process of receiving sales request information via the operation server 130, agreeing to it, checking the information when the consumer pays the cost, and collecting the final cost after the transaction is completed. After agreeing to sell the product, the delivery unit manages the process of delivering resources through the cargo recommended by the operation server 130 or the cargo used by the supplier.

The consumer terminal 190 uploads demand information on demand waste plastic resources to the operation server 130, receives information on waste plastic resources from the operation server 130, and transmits transaction request information based on this. It is provided to the operation server 130. Here, the demand information may include the type of waste plastic resource, required quality, demand quantity, demand location, and the like.

To this end, the consumer terminal 190 may include a demand resource management unit, an ordering unit, a payment unit, and a resource receiving unit. The demand resource management unit uploads demand information of waste plastic resources required for purchase to the operation server 130 . The ordering unit manages purchase requests for necessary resources based on supply information and price information (standard price) received from the operation server 130 . The payment unit manages the remittance of the purchase cost when the transaction is concluded. This payment cost is managed through a financial institution designated by the operation manager before the transaction is completed, and is remitted to the supplier side through the operation server 130 after the transaction is completed. The resource receiving unit manages whether the quality state, quantity, etc. of the delivered resources are accurate, and when the resources are received normally, it transmits information on whether or not the resources have been received normally to the operation server. In addition, the consumer terminal 190 may further include an expected demand management unit that uploads expected demand information to the operation server so that waste plastic resources can be supplied and supplied in a timely manner.

The operation server 130 matches demand information and supply information based on the uploaded demand information and supply information. The operation server 130 provides supply information matching demand information to the consumer terminal 190 and provides transaction request information received from the consumer terminal 190 to the supplier terminal 170 .

4 is a block diagram showing an operation server of a trading system for recyclable waste plastic resources according to an embodiment of the present invention.

The operation server 130 may include an information management unit 131 , a reference price determination unit 132 , and a recommendation management unit 133 . The information management unit 131 stores and manages supply information provided from a plurality of suppliers and demand information provided from a plurality of consumers. In addition, demand information and supply information are provided to the supplier side and the consumer side respectively. The base price determination unit 132 differentiates each quality of the waste plastic resources based on the quality information acquired through the inspection equipment 100 and the announced price of the waste plastic resources to determine the transaction base price. Here, since the price of waste plastic resources tends to be linked to oil prices, oil price information can be reflected in determining the base price. The reference price information determined in this way is provided to the supplier terminal 170 and the consumer terminal 190 through the information communication network 110 . Therefore, the supplier determines the sales price based on the provided reference price information, and the consumer determines the purchase price, and uploads it to the operation server 130 through the supplier terminal 170 and the acceptor terminal 190, respectively.

The recommendation management unit 133 recommends information on waste plastic resources that meet demand among the waste plastic resources based on supply information matching demand information. That is, when there is a request for resource recommendation through the consumer terminal 190, the recommendation management unit 133 searches for supply information that matches the demand information of the consumer resource, and transmits a sales request signal to the matching supplier. Here, when there is a plurality of matched supply information, it is possible to prioritize and recommend in order of close physical distance, order of low price, and the like. In addition, when the supply side of the supplier is insufficient, resources can be recommended so that resources can be supplied from a plurality of suppliers.

In addition, the operating server 130 may further include a payment management unit 134, a delivery management unit 135 and a credit management unit 136. The payment management unit 134 manages payment for traded waste plastic resources and may serve as an escrow. That is, when a transaction is concluded between the supplier side and the consumer side, the consumer side can manage the payment before the transaction starts, and the supplier side can manage the payment so that the transaction is completed. The delivery management unit 135 manages whether waste plastic resources are normally delivered between the supplier side and the consumer side when the transaction is concluded. To this end, the supplier terminal 170 may input resource delivery information to the operation server 130, and the consumer terminal 190 may input resource receipt information to the operation server 130 when the resource is received. The credit management unit 136 manages the credit of the supplier and the consumer based on past transaction information. That is, when a transaction is made, the credit management unit 136 may manage each of the consumer and the supplier to evaluate the other party and provide the evaluation to the operation server 130 .

In addition, the operating server 130 may further include a supply and demand forecasting unit 137 . The supply and demand forecasting unit 137 determines the amount of waste plastic resources uploaded from the supplier terminal 170 and the total demand for each required quality of waste plastic resources uploaded from the consumer terminal. Supply schedule is predicted and provided. Accordingly, the supplier side can adjust the production schedule of waste plastic resources according to the expected demand.

The above embodiments are only exemplary, and various modifications and other equivalent embodiments may be made therefrom by those skilled in the art. Therefore, the true technical protection scope of the present invention should be determined by the technical spirit of the invention described in the claims.

10: specific gravity sorting device 20: forklift
30: first conveyor device 40: wind selector
50: second conveyor device 60: bag
100: inspection equipment 110: information communication network
130: operation server 131: information management unit
132: base price determination unit 133: recommendation management unit
134: payment management unit 135: delivery management unit
136: credit management unit 137: supply and demand forecasting unit
170: provider terminal 190: consumer terminal

Claims (6)

In the trading system of recyclable waste plastic resources,
an operating server;
Inspection equipment for providing quality information of the waste plastic resources by inspecting the degree of foreign matter contained in the waste plastic resources produced;
a provider terminal uploading supply information including the type, amount, production schedule, quality information, storage location, and supplier information of the waste plastic resources to the operation server, and providing transaction request information received from the operation server;
Demand information, including the type, demand quality, demand quantity, and demand location of waste plastic resources, is uploaded to the operation server, information on waste plastic resources is provided from the operation server, and the transaction request information is transmitted to the operation server based on this. Including a consumer terminal provided to,
The operation server,
Based on the uploaded demand information and the supply information, supply information matching the demand information is provided to the consumer terminal, and the transaction request information received from the consumer terminal is provided to the supplier terminal. A trading system for recyclable waste plastic resources. According to claim 1,
The operation server,
an information management unit that stores and manages the supply information and the demand information;
Based on the quality information, a reference price determining unit for determining a transaction reference price by differentiating the quality of waste plastic resources;
and a waste plastic resource recommendation management unit for recommending information on waste plastic resources suitable for demand among the waste plastic resources based on supply information matching the demand information. According to claim 2,
The operation server,
a payment management unit that manages payment for traded waste plastic resources;
The trading system of recyclable waste plastic resources further comprising a credit management unit for managing credit for the supplier and the consumer based on past transaction information. According to claim 3,
The operation server,
A demand and supply forecasting unit for predicting and providing a waste plastic resource supply schedule based on the amount and production schedule of waste plastic resources uploaded from the supplier terminal and the total demand for each required quality of demand waste plastic resources uploaded from the consumer terminal A trading system for recyclable waste plastic resources, comprising: According to any one of claims 1 to 4,
The inspection equipment,
It is installed on the transport path of the waste plastic finally sorted by the waste plastic sorting device, inspects the ratio of foreign substances included in the produced waste plastic resources in real time, and provides the inspection result to the operation server via the supplier terminal or directly. A trading system of recyclable waste plastic resources, characterized in that it can be done. According to claim 5,
The inspection equipment,
A trading system of recyclable waste plastic resources, characterized in that the inspection result is encrypted into an unmodifiable form of information and provided to the operation server.

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