JP2553879B2 - Caret processing device - Google Patents

Description

TECHNICAL FIELD The present invention relates to a cullet processing apparatus for using waste glass as a recycled raw material.

<Conventional technology> Conventional cullet processing involves crushing waste glass into small pieces, sieving fine particles such as earth and sand, and further washing with water to remove light foreign substances such as aluminum pieces, paper, cork, and plastics, and then hand. By the work, caps, empty cans and other metallic foreign substances are removed.

<Problems to be Solved by the Invention> However, it is difficult to carry out a large-scale treatment by manually removing the lightweight foreign matter and the metallic foreign matter from the crushed glass pieces as in the above-mentioned conventional method. At the same time, in the case of manual work, foreign matter in the cullet may be overlooked. When this is used as a recycled material, undissolved material called “butsu” is formed in the glass product, the color tone and clarity of the product are changed, or bubbles are generated, resulting in a decrease in strength and loss of aesthetics. There was a problem that the product value decreased.

Therefore, the present invention mechanically and automatically sorts a pulverized product of a foreign substance mixture obtained by pulverizing waste glass into a pure glass piece, a light foreign matter such as a piece of paper or plastics, an aluminum piece, and a metal foreign matter such as a cap. An object of the present invention is to provide a novel cullet processing device which can realize cost reduction by speeding up cullet processing.

<Means for Solving Problems> To explain the means of the present invention for achieving the above-mentioned object, the cullet processing apparatus of the present invention is a culled material obtained by pulverizing waste glass and mixing pulverized material with glass pieces and foreign matter. And a sorting mechanism for sorting into a glass piece discharge port of the sorting mechanism, a screen feeder for sorting and transporting glass pieces into large and small, and a serially connected outlet for each of the screen feeders. A sorting machine that sorts out defective products in which non-defective products and metal foreign substances are mixed, a non-defective product unloading conveyor and a defective product transporting conveyor that are arranged to be linked to each discharge port of the sorting machine, and the transporting conveyor is provided continuously from the conveyor. A second sorter equipped with a vibrating feeder that separates and conveys metallic foreign matter and glass fragments at the bottom of a hopper that accepts defective products, and the base end switches between the vibrating feeder outlet and the tip. It was constituted by including a non-defective product carry-out conveyor and a circulation-type carry conveyor that are in communication with the defective product carry conveyor via a damper.

<Operation> When the crushed waste mixed with foreign substances is carried into the sorting mechanism, the sorting mechanism sorts glass fragments containing metallic foreign substances into lightweight foreign substances such as paper, plastics, and aluminum fragments. Foreign matter is carried out of the machine, and glass pieces are
It is dropped on the screen feeder below the discharge port.
In the screen feeder, glass pieces are sorted into large and small pieces, and the small glass pieces and the large glass pieces are carried into individual sorting machines. In the winter sorter, glass pieces are sorted into non-defective pieces containing only glass pieces and defective pieces mixed with metallic foreign substances, and non-defective pieces are carried out as cullet on the carry-out conveyor, and defective pieces are sorted on the transfer conveyor by the second sorter. Dropped into the hopper. The glass piece mixed with the metallic foreign matter dropped on the hopper is moved by separating the metallic foreign matter group from the glass piece group by the cutting action of the metallic foreign matter in the vibration feeder at the bottom of the hopper, and is carried into the circulating carry-out conveyor. By the switching damper operated by metal detection, the glass piece is sent to the carry-out conveyor, and the glass piece mixed with foreign metal is sent to the carry conveyor again.
By repeating this sorting operation automatically and completely, the metallic foreign matter is completely removed, and a good quality cullet consisting of only glass pieces is obtained.

In particular, according to the present invention, the glass piece mixed with the metallic foreign matter is conveyed by the screen feeder into small particles and large particles and is conveyed to the vibrating feeder of the second sorter, so that the cutting performance of the metallic foreign matter by the vibrating feeder is improved. It has the effect of improving the cullet processing performance and increasing the speed.

<Embodiment> The drawings show a cullet processing apparatus according to an embodiment of the present invention, in which FIG. 1 is an overall configuration diagram and FIG. 2 is a plan view.

The cullet processing apparatus of the present invention includes a sorting mechanism 1 for splitting a pulverized product of foreign matter mixed by crushing waste glass into a glass piece containing a metallic foreign matter and a light foreign matter such as an aluminum piece, paper or a synthetic resin material, and this sorting mechanism. The glass piece discharge port 14 of No. 1 is connected to the screen feeder 2 that divides the glass pieces containing the metallic foreign matter into the large particle group and the small particle group, and is continuously connected to each of the carry-out ports of the screen feeder 2. Sorting machine 3 that separates non-defective products and defective products mixed with foreign metal
a, 3b and one article good product carry-out conveyor 4 and two article defective product carry conveyors 5a, 5 connected to each outlet of the sorters 3a, 3b
b, a second sorting machine 6 that is connected to each defective product conveyor 5a, 5b and separates defective products into a group of glass pieces and a group of metallic foreign matters with a vibrating feeder 62, and accepts defective products from the vibrating feeder. The conveyed glass pieces are composed of the carry-out conveyor 4, and the glass pieces containing the metallic foreign matter are carried into the carry conveyors 5a, 5b again by the circulation type conveyers 7a, 7b.

The sorting mechanism 1 carries a foreign substance mixed pulverized product obtained by pulverizing waste glass into an input passage 11, and an ascending air flow is applied to this passage to act as an aluminum piece, paper, synthetic resin material, etc. mixed with the pulverized product. As shown in FIG. 3, the sorting mechanism 1 is provided with an air passage 15 adjacent to this passage and vertically connected to one side of the substantially vertical raw material feeding passage 11 as shown in FIG. Become.

The raw material feeding passage 11 is curved in its entire length arbitrarily, and at the upper part,
By forming a hopper 12 which is expanded upward, approximately half of the opening surface is communicated with the air passage 15, and the other half is used as a raw material introduction port 13 from the bucket conveyor.

The lower portion of the raw material charging passage 11 opens in a substantially vertical surface, the upper half of the opening surface communicates with the air passage 15, and the discharge opening 14 in the lower half.
Is formed.

In the air passage 15, a fan 16 is disposed at a proper position, and the intake side and the exhaust side of the fan are connected to the opening surface of the hopper 12 and the lower opening of the raw material feeding passage 11 through the bent passages 17 and 18, respectively. A light foreign matter discharge port at the bottom of the bent passage 18
19 are provided. Therefore, when the crushed mixture of waste glass is charged from the charging port 13 and the fan 16 is operated, an upward air flow is generated in the charging passage 11 to remove light foreign substances such as aluminum pieces, paper and synthetic resin material in the mixture. The glass pieces containing the metallic foreign matter and the lightweight foreign matter are emitted from the emission ports 14 and 19, respectively.

The screen feeder 2 is constructed by mounting a carrier 23 having a vibration motor 24 on top of four fixed columns 21 via elastic members 22 such as springs.

The transport table 23 has a flat rectangular shape that is long in the transport direction, and has a flat glass piece receiving plate 2 near the discharge port 14 at the upstream end.
5, on the downstream side of the receiving plate 25, a bar screen 26 in which a plurality of bar members are arranged in parallel in the transport direction at appropriate intervals, a flat transport plate 27a on the downstream side of the bar screen 26, and a continuous transport plate 27a. And forms a carry-out guide 20a whose width is narrowed to about 1/2, and below the bar screen 26, a flat conveying plate 27b for receiving the small glass fragments falling from the gap between the bar members is arranged. The carrying plate 27b narrows the width on the downstream side to 1/2, and carries out a small glass piece carry-out guide 20b parallel to the carry-out guide 20a.
Is formed.

Next, the sorters 3a and 3b are provided in communication with the carry-out ports of the carry-out guides 20a and 20b, respectively, to remove metallic foreign matters such as caps mixed with the small glass pieces and the large glass pieces. The machines 3a, 3b are provided with a branch duct 33 below the main duct 31 having a receiving hopper 32 at the top, a switching damper 34 at the branching portion, and a metal detection sensor 35 for switching the damper 34 above the main duct 31. Installed, the main duct 31 is 1
The branch duct 33 is opened on the non-defective article conveying conveyor 4 and the two parallel defective article conveying conveyors 5a and 5b, and the branch duct 33 is normally closed by the damper 34.

Therefore, a non-defective product consisting of only a piece of glass is carried out onto the one-piece carry-out conveyor 4, and a defective product in which metallic foreign matter is mixed, the damper 34 is switched by the metal detection of the sensor, and the branch duct 33 communicates with each other. It is carried into the conveyors 5a and 5b and sent to the second sorter 6.

The second sorter 6 is provided so as to communicate with the two conveyors 5a and 5b, and a vibration feeder 62 is provided at the bottom of a hopper 61 that receives defective products from the conveyors 5a and 5b. Each of the vibrating feeders 62 is configured to separate the glass piece group and the metallic foreign matter group and carry them into the circulation type conveyors 7a and 7b from the carry-out port.

A chute 71 communicating with the non-defective product carrying conveyor 4 and chutes 72a, 72b communicating with the defective product carrying conveyors 5a, 5b are provided at the unloading portion of the circulating carrying conveyors 7a, 7b.
A metal detection sensor 74 for switching the damper 73 is provided on the upstream side a little, and therefore, when only the glass piece is conveyed from the circulation type conveyors 7a, 7b, the damper 73 is As shown by the phantom line (a) in FIG. 1, the glass pieces from the conveyors 7a and 7b are carried down to the non-defective conveyor 4 via the chute 71, and the metal pieces from the conveyors 7a and 7b are carried out. When the sensor detects one piece, the damper 73 is separated from the conveyors 7a and 7b as shown by the solid line (b), and therefore the defective products from the conveyors 7a and 7b are conveyed to the defective product conveyors 5a and 5b through the chutes 72a and 72b. It is carried in to the second sorting machine 6 and conveyed again.

Next, the operation of the cullet processing apparatus according to the present invention will be described. Before the cullet processing, the waste glass is
The crushed product is crushed to a certain particle size and stored in a hopper (not shown), and the crushed product is charged into the raw material charging port 13 of the sorting mechanism 1 in a fixed amount by a bucket conveyor.

When the injected mixture falls through the passage 11, this passage
Since a rising air flow is generated in the fan 11 by the fan 16, the lightweight foreign matter in the mixture rises and moves into the air passage 15, is taken out of the machine through the discharge port 19, and the glass piece containing the metallic foreign matter is removed. Conveyor stand for the screen feeder 2 from the outlet 14
23 falls on.

The glass pieces containing the foreign metal particles dropped on the carrier 23 gradually move forward due to vibration to reach the bar screen 26, and while moving on the screen 26, they are separated into large and small particles by dropping through the gap between the bar members. , Each carry-out guide 20a, 20
Shoot from the b into the receiving hoppers of the sorters 3a and 3b.

In each of the sorters 3a and 3b, in the case of a non-defective product having only glass pieces, the non-defective product is carried out as a cullet to the non-defective product carry-out conveyor 4 below through the main duct 31. When the sensor detects a metallic foreign matter, the damper 34 is switched to operate, and the defective product including the metallic foreign matter is carried into the defective product conveyors 5a and 5b through the branch duct 33 and sent to the second sorter 6. To be

Defective products carried into the second sorter 6 are gradually moved by the vibration feeder 62 at the bottom of the hopper, and are separated into a group of metallic foreign matters and a group of glass pieces while moving, and are circulated from the carry-out port.
Sent to 7a, 7b.

When the metal detection sensor 74 on the transport conveyors 7a and 7b is in the stopped state, the non-defective product has passed, and therefore the non-defective product from the conveyor is delivered to the non-defective product delivery conveyor 4 via the damper 73 and the chute 71. When the sensor 74 detects a defective product,
The damper 73 is switched, and the defective product is carried into the conveyors 5a and 5b via the chutes 72a and 72b, returned to the second sorter 6 again and conveyed, and the same sort operation is repeated. Therefore, the good product unloading conveyor 4 has paper, plastics,
The pure cullet from which aluminum pieces and metallic foreign matter have been completely removed is carried out.

<Effects of the Invention> As described above, the cullet processing apparatus of the present invention has a sorting mechanism for sorting a pulverized mixture of foreign substances obtained by pulverizing waste glass into a glass piece and a lightweight foreign matter, and a glass piece discharge port of the sorting mechanism. A screen feeder that is connected to each other and sorts and conveys glass pieces into large and small pieces, and a sorter that is connected to each of the outlets of the screen feeder and that sorts the glass pieces into defective ones containing good products and metallic foreign substances. Separation and conveyance of metallic foreign matters and glass pieces to a non-defective product unloading conveyor and a defective product conveying conveyer which are arranged to be linked to each discharge port of the sorting machine, and to the bottom of a hopper which is connected to the conveying conveyer and receives defective products from the conveyer. A second sorter equipped with a vibrating feeder
Since the cullet processing device is constituted by the circulation type transfer conveyor, the base end of which is the unloading port of the vibration feeder, and the end of which is connected to the non-defective product transfer conveyer and the defective product transfer conveyer via the switching damper, the present invention, the discard It is possible to mechanically and automatically separate the pulverized mixture of foreign substances obtained by crushing glass into glass fragments, lightweight fragments such as aluminum fragments, paper or synthetic resin materials, and metal contaminants such as caps. Can be mass-produced and has the effect of achieving the object of the invention.

[Brief description of drawings]

1 is a schematic front view of a cullet processing apparatus according to an embodiment of the present invention, FIG. 2 is a plan view of FIG. 1, and FIG. 3 is an enlarged sectional view of a sorting mechanism. 1 …… Sorting mechanism 2 …… Screen feeder 3a, 3b …… Sorting machine 4 …… Good product unloading conveyor 5a, 5b …… Defective product conveying conveyor 6 …… Second sorting machine 7a, 7b …… Circular conveying conveyor

Claims (1)

(57) [Claims] 1. A sorting mechanism for sorting a crushed piece of foreign matter mixed by crushing waste glass into a glass piece and a foreign matter, and a glass piece discharge port of the sorting mechanism. Screen feeder, and a sorter that is connected to each of the outlets of the screen feeder and sorts glass pieces into nondefective products and defective products in which metallic foreign substances are mixed, and nondefective products that are connected to each discharge port of the sorter. A carry-out conveyer and a defective product conveyer, and a second sorter in which a vibration feeder for separating and conveying a metallic foreign substance and a glass piece is arranged at the bottom of a hopper that is connected to the conveyer conveyor and receives the defective product from the conveyer, The base end is an outlet of the vibrating feeder,
A cullet processing apparatus, the tip of which comprises a non-defective product unloading conveyor and a recirculating transfer conveyor that are in communication with a defective product transfer conveyor via a switching damper.