CN201849944U - Feeding device used for waste plastic treatment - Google Patents

Abstract

The utility model discloses a feeding device for waste plastic treatment, which comprises a feeding cylinder body and a piston arranged in the feeding cylinder body, the piston is fixedly connected with the piston rod, and a feeding device is arranged on the wall surface of the feeding cylinder body. There is a silo above the feed port, and a flap for compacting waste plastics is provided in the silo. The feeding device for waste plastic treatment of the utility model controls the rotation time and speed of the motor by using a time relay, and uses the motor as the power to drive the flap to rotate to realize secondary compaction of waste plastics, which can continuously feed and automatically seal, The automatic production process is realized, the work efficiency is high, the reaction speed of the feed material is greatly improved, it is safe and reliable, and it is especially suitable for mass production and social development requirements.

Description

A feeding device for waste plastic treatment

technical field

The utility model relates to a feeding device, in particular to a feeding device for waste plastic treatment.

Background technique

At present, there are many domestic equipments for producing liquid hydrocarbon products and carbon black from plastic or rubber waste. Most of the feeding devices used are a ring-shaped feeding door at one end of the main kettle, and the inlet part is sealed by a sealing cover. The disadvantages of the device are: (1) The size of the feeding door is small, and feeding is difficult; (2) The sealing cover of the feeding door is heavy, the opening is not flexible, and the labor intensity is high; (3) Manual feeding is required, that is, the workers directly Putting the collected waste plastics and waste tires into the furnace has low work efficiency and high labor intensity for workers.

In order to solve the technical problem of high labor intensity of workers, the patent application document with the authorized announcement number CN2558868Y (application date: 2002.06.18) discloses a feeding device for a domestic waste pyrolysis processor, which consists of a feeding cylinder and a Composed of pistons, a feeding port is provided on the wall of the feeding cylinder, and a silo is provided above the feeding port. This feeding device has a simple structure and can realize automatic and continuous feeding, which reduces the labor intensity of workers; If there is no compaction, the sealing performance of the front section of the cracking kettle will be reduced and air leakage will be easy.

In order to solve the technical problem of heavy sealing cover and low sealing performance, the patent document with authorized announcement number CN201190151Y (application date is 2008.4.14) discloses a portable feeding device on a horizontal rotating plastic and rubber refinery , including a bent arm and a head fixed to one end of the bent arm, the other end of the bent arm is hinged to the cracking kettle through a connecting body, and the head can be opened and closed by an electric device; the above-mentioned feeding equipment has good sealing performance and the sealing of the head It is convenient to open and close; however, the above-mentioned feeding equipment cannot be produced continuously, and the working efficiency is low.

Contents of the invention

The utility model provides a feeding device for waste plastic treatment which is simple in structure, low in cost, convenient for feeding, good in sealing performance and capable of realizing continuous production.

A feeding device for waste plastic treatment, comprising a feeding cylinder and a piston arranged in the feeding cylinder, the piston is fixedly connected to the piston rod, a feeding port is provided on the wall of the feeding cylinder, and the feeding port A silo is arranged above, and a turning plate for compacting waste plastics is arranged in the silo.

The inner diameter, thickness and length of the feeding cylinder can be determined according to the actual processing capacity of the cracking tank; in actual use, the other end of the piston rod is generally connected to the drive motor through a transmission system. In order to ensure the tightness of the entire feeding device, multiple sets of flaps with different horizontal positions and heights can be selected in the hopper. Generally, each set of flaps can be composed of multiple flaps whose shafts are located on a horizontal plane and parallel to each other. The actual process In order to facilitate installation and control, two sets of flaps are generally set in the silo, the horizontal position of the first set of flaps is higher than that of the second set of flaps, and the number of each set of flaps is two, two The rotating shafts of the two flaps are set on the same horizontal plane and parallel to each other; the rotating shafts of the flaps are generally selected to be connected with the output end of the motor. The rotation time is connected with the time relay of the rotational speed, and the first group of flaps and the second group of flaps are controlled to compact the material twice up and down asynchronously, which ensures that the first group of flaps is started first to compact the material once, After a certain period of time, start the second set of flaps to compact the material for the second time; the size, rotation speed and rotation time of the flaps can be determined according to the properties of the actually processed materials.

The actual operation process of the feeding device for waste plastic treatment of the utility model is as follows: first, the waste plastic is continuously flowed in from the upper part of the silo, and the backlog reaches a certain level. The second set of flaps at the lower part starts, rotates for several weeks and stops, and the waste plastics compacted twice by the upper and lower sets of flaps enter the pyrolysis kettle under the thrust of the piston, so as to achieve fully automatic sealing and continuous feeding.

The feeding device for waste plastic treatment of the utility model controls the time and speed of motor rotation by using a time relay, and uses the motor as power to drive the flap to rotate to realize secondary compaction of waste plastics, which can continuously feed and automatically seal , Realizing the automation of the production process, high work efficiency, safety and reliability, especially suitable for mass continuous production.

Description of drawings

Fig. 1 is the structural representation of the feeding device for waste plastic treatment of the utility model;

Fig. 2 is a schematic cross-sectional structure diagram of the feeding device shown in Fig. 1 along plane A-A.

Detailed ways

As shown in Fig. 1 and Fig. 2, a kind of feeding device that is used for waste plastics treatment comprises and is used for feeding the cylinder body 2 of material to pyrolysis kettle 1, the piston 3 in the cylinder body 2 of feeding, and The piston rod 4 fixedly connected to the piston 3 , the feeding inlet provided on the wall surface of the feeding cylinder 2 , the feeding bin 5 arranged above the feeding inlet, and the flap 6 arranged in the feeding bin 5 .

The inner diameter, thickness and length of the feed cylinder 2 can be determined according to the actual processing capacity of the cracking tank 1 . A piston 3 is arranged in the feeding cylinder 2 in a sealing fit with the piston 3. The right end of the piston 3 is fixed to the piston rod 4. The piston rod 4 is fixed to the drive motor through the transmission system to realize the automatic pushing of the piston 3. A feeding port is provided on the upper wall of the feeding cylinder 2, and the size of the feeding port can be set according to actual needs. A silo 5 is arranged above the feeding port, and the lower end edge of the silo 5 is fixed to the feeding cylinder 2, and the silo The upper warehouse mouth of 5 is provided with flaring, so that the smooth inflow of materials such as waste plastics. Two groups of flaps 6 are provided in the feed bin 5, wherein the horizontal position of the first group of flaps is higher than that of the second group of flaps, and the first group of flaps and the second group of flaps are respectively formed by two rectangular flaps. The rotating shafts of two turning plates 6 are located on a horizontal plane and arranged parallel to each other. The shape, size and position of the turning plates 6 can be determined according to the properties of materials such as waste plastics to be processed actually; the rotating shafts of the turning plates 6 are respectively connected with The output terminal of the motor is connected, and the input terminal of the motor is connected with the time relay used to control the rotation time and speed of the motor, so as to ensure that the first set of flaps is started to compact the material once, and after a certain period of time, the second set of flaps is started. The material undergoes secondary compaction.

The actual operation process of the feeding device for waste plastic treatment in this embodiment is as follows: First, waste plastics are continuously flowed in from the upper part of the silo 5, and the backlog reaches a certain level. The second set of flaps at the rear and lower part start and stop for a few weeks of rotation. The waste plastics compacted twice by the upper and lower flaps enter the pyrolysis kettle under the thrust of the piston 3, so as to achieve fully automatic sealing and continuous feeding.

Claims (4)

1. A feeding device for waste plastic treatment, comprising a feeding cylinder (2) and a piston (3) arranged in the feeding cylinder (2), the piston (3) is fixed to the piston rod (4) Connected, a feed inlet is provided on the wall of the feed cylinder (2), and a feed bin (5) is arranged above the feed inlet, and it is characterized in that the feed bin (5) is provided with a the flap (6). 2. The feeding device for waste plastic treatment according to claim 1, characterized in that, two sets of flaps (6) are arranged in the silo (5), wherein the level of the first set of flaps is The position is higher than the horizontal position of the second group of flaps. 3. The feeding device for waste plastic treatment according to claim 2, characterized in that the number of each group of flaps (6) is two, and the rotating shafts of the two flaps (6) are arranged on the same horizontal plane above and parallel to each other. 4. The feeding device for waste plastic treatment according to any one of claims 1 to 3, characterized in that, the rotating shaft of the flap (6) is connected to the output end of the motor, and the input end of the motor is connected to the time The output ends of the relays are connected to each other, and are used to control the rotation time and the rotating speed of the flap (6).

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