CN204396454U - Dry type is separated useless circuit board production line - Google Patents

Abstract

The utility model belongs to scrap concrete separation technology field, useless circuit board production line is separated in particular to a kind of dry type, comprise the conveyer, disintegrating machine, initial crusher, material loading Auger conveyer, secondary breaker, whirlwind feeder, airstream vibration sieve, elevator, electrostatic separator and the feed back Auger conveyer that are connected successively, the discharging position of feed back Auger conveyer is connected with the charging position of material loading Auger conveyer; Airstream vibration sieve is provided with dust outlet, finished product material outlet and semi-finished product material outlet, and dust outlet connects dust absorption fan, is provided with pulse dust removal case successively and Auger of slagging tap after dust absorption fan, and semi-finished product material outlet connects elevator.This production line will variously to be pulverized useless circuit board, to be separated and the equipment of sorting effectively combines, and makes it reach larger energy-saving effect in process of production, realizes higher metal separation rate.

Description

Dry separation waste circuit board production line

technical field

The utility model belongs to the technical field of waste recycling and separation, in particular to a dry-type separation waste circuit board production line.

Background technique

With the continuous development of the electronic and electrical industry, a large number of waste circuit boards are produced, which endangers the environment. In serious contrast to this, the processing industry of waste electronic products in my country has not yet formed a scale, and its recycling value has gradually attracted attention, and it has become a promising industry. This is an opportunity for the development of environmental protection machinery. However, the components of waste circuit boards are messy and difficult to dispose of. How to make the recycling and disposal process more environmentally friendly, efficient, economical, and energy-saving is the main problem facing this field at present.

Utility model content

In order to realize environmental protection, high efficiency, economy and energy saving in the process of crushing and separating waste circuit boards, the utility model provides a dry-type separation waste circuit board production line, which can effectively crush, separate and sort various waste circuit boards. Combined, it can achieve a greater energy saving effect in the production process and achieve a higher metal separation rate.

The technical scheme that the utility model solves its technical problem adopts is:

A production line for dry separation of waste circuit boards, comprising sequentially connected conveyors, crushers, primary pulverizers, feeding hinged conveyors, secondary pulverizers, cyclone feeders, airflow vibrating screens, hoists, electrostatic separators Sorting machine and return hinged conveyor, the discharge part of the return hinged conveyor is connected with the feeding part of the loading hinged conveyor; the airflow vibrating screen is equipped with a dust outlet, a finished material outlet and a semi-finished material outlet, and the dust The outlet is connected to the dust collection fan, followed by a pulse dust removal box and a slag discharge hinge, and the semi-finished material outlet is connected to the hoist; the electrostatic separator is equipped with a slag discharge port, a finished product export It is connected to the slag discharge hinge, and the semi-finished material outlet is connected to the return hinge conveyor.

Waste circuit boards are crushed into a mixture of metal and non-metal through conveyor, crusher, primary pulverizer, feeding hinge conveyor and secondary pulverizer in turn, and then enter the airflow vibrating screen through the cyclone feeder, and the airflow vibrating screen The dust is sucked into the pulse dust removal box by the dust suction fan, and then discharged by the slag discharge screw. A part of the metal finished material is output through the finished material outlet of the airflow vibrating screen, and the other part of the metal and non-metal mixture that is not completely crushed and separated is passed through the The elevator connected to the semi-finished material outlet of the airflow vibrating screen is conveyed to the electrostatic separator for sorting. The sorted metal finished material is output through the finished material outlet of the electrostatic separator, and the slag is passed through the slag discharge screw. Hinged out, the semi-finished materials that have not been sorted successfully are sent to the feeding auger conveyor through the return auger conveyor, and then re-enter the secondary pulverizer to be crushed and continue to be processed. The advantage of such a production line connection is that it not only reduces the secondary The crushing load of the pulverizer is reduced, and the efficiency of electrostatic separation of slag is improved, so that the metal content in the slag reaches the lowest level.

The tailings of the airflow vibrating screen are directly transported by the hoist to the feeding bin of the electrostatic separator. Generally, there are two electrostatic separators. The semi-finished materials sorted out by the electrostatic separator are transported to the feeding hinge conveyor through the feeding hinge conveyor, and then conveyed to the secondary pulverizer by the loading hinge conveyor. Re-shredding within the machine, the process works cyclically during the production process.

Preferably, the feed port of the primary pulverizer is located below the crusher, and is connected to the lower hopper arranged at the bottom of the crusher through a soft connection. Such a connection method can not only ensure the sealing performance, but also ensure the convenience of maintenance and replacement.

Preferably, the connection mode between the lower hopper arranged at the bottom of the crusher and the crusher is sliding connection. Such a connection method can improve the replacement efficiency when replacing the wearing parts of the primary pulverizer.

As a preference, the feeding port of the feeding hinged dragon conveyor is located below the pulverizer, and is connected with the lower hopper arranged at the bottom of the pulverizer through a flexible connection. Such a connection method can not only ensure the sealing performance, but also ensure the convenience of maintenance and replacement.

Preferably, the connection mode between the discharge port of the hinged dragon conveyor and the feed port of the secondary pulverizer is a sealed connection. Such a connection mode ensures better sealing performance.

Preferably, the discharge port of the secondary pulverizer is connected to the feed port of the cyclone feeder through an S-shaped conveying pipeline, and the discharge port of the cyclone feeder is located above and connected to the working cavity of the airflow vibrating screen.

Preferably, the body of the primary pulverizer and the secondary pulverizer is equipped with a water circulation cooling casing, and its function is to ensure the continuous production of the primary pulverizer and the secondary pulverizer to be carried out stably.

As a preference, the tailings of the pulse dust removal box are unloaded by the unloader and sent to the slag discharge auger.

The dry-type separation waste circuit board production line provided by the utility model completely crushes and separates waste circuit boards sequentially through machinery, and has obvious economic efficiency, and effectively combines various equipment for crushing, separating and sorting waste circuit boards to form a production line. The efficiency is greatly improved, and the purpose of saving energy consumption is achieved while solving environmental pollution.

Description of drawings

Fig. 1 is the front view of the utility model dry separation waste circuit board production line;

Fig. 2 is the top view of the utility model dry separation waste circuit board production line;

In the figure: 1. Conveyor, 2. Crusher, 3. Primary pulverizer, 4. Feeding reamer conveyor, 5. Secondary pulverizer, 6. Cyclone feeder, 7. Airflow vibrating screen, 8. Elevator, 9. Electrostatic Separator, 10. Return Material Anchor Conveyor, 11. Dust Suction Fan, 12. Pulse Dust Removal Box, 13. Slag Discharging Anchor, 14. Dust Collection Box.

Detailed ways

The technical solutions of the present utility model will be further specifically described below through specific embodiments in conjunction with the accompanying drawings. It should be understood that the implementation of the utility model is not limited to the following examples, and any changes and/or changes made to the utility model will fall within the protection scope of the utility model.

Embodiment: A dry-type separation waste circuit board production line as shown in Figure 1, including a conveyor 1, a crusher 2, a primary pulverizer 3, a feeding hinged conveyor 4, a secondary pulverizer 5, Cyclone feeder 6, airflow vibrating screen 7, hoist 8, electrostatic separator 9 and return hinged conveyor 10, the output part of the return hinged conveyor and the feeding part of the loading hinged conveyor Connected; the airflow vibrating screen is provided with a dust outlet, a finished material outlet and a semi-finished material outlet, the dust outlet is connected to a dust suction fan 11, and then a pulse dust removal box 12 and a slag discharge hinge 13 are arranged in turn, and the tailings of the pulse dust removal box are discharged by The machine is unloaded and sent to the slag discharge hinge, and the semi-finished material outlet is connected to the hoist 8; the electrostatic separator is equipped with a slag discharge port, a finished product export Connect the return hinged dragon conveyor to input into the pulverizer chamber.

The tailings of the airflow vibrating screen are directly transported by the elevator to the feeding bin of the electrostatic separator. There are two electrostatic separators. The semi-finished materials sorted by the electrostatic separator are transported to the feeding hinged conveyor through the feeding hinged conveyor, and then conveyed to the secondary pulverizer by the loading hinged conveyor. Re-shredding, the process works cyclically during the production process. A dust collection box 14 is also connected behind the electrostatic separator 9 to absorb the dust generated during the separation process.

The bodies of the primary pulverizer and the secondary pulverizer are equipped with a water circulation cooling casing, which can ensure the continuous production of the primary pulverizer and the secondary pulverizer to be carried out stably. The feed port of the primary pulverizer is located below the crusher, and is connected to the lower hopper at the bottom of the crusher through a soft connection, which can not only ensure the sealing performance, but also ensure the convenience of maintenance and replacement. The connection mode between the lower hopper arranged at the bottom of the crusher and the crusher is a sliding connection, which can improve the replacement efficiency when replacing the wear parts of the primary crusher. The feed port of the feeding hinged conveyor is located below the pulverizer, and is connected to the lower hopper at the bottom of the pulverizer through a soft connection, which not only ensures the sealing performance, but also ensures the convenience of maintenance and replacement. The connection between the outlet of the auger conveyor and the inlet of the secondary pulverizer is a sealed connection to ensure better sealing performance. The discharge port of the secondary pulverizer is connected to the feed port of the cyclone feeder through the S-shaped conveying pipe, and the discharge port of the cyclone feeder is located above and connected to the working cavity of the airflow vibrating screen.

When crushing, separating and sorting waste circuits, the raw materials are crushed into a mixture of metal and non-metal through the conveyor, crusher, primary pulverizer, feeding auger conveyor and secondary pulverizer in sequence, and then passed through the cyclone feeder. After entering the airflow vibrating screen, after being vibrated by the airflow, the dust is brought into the pulse dust removal box by the dust suction fan and discharged by the slag discharge screw. Part of the metal finished material is output through the finished material outlet of the airflow vibrating screen, and the other part is not completely crushed and separated. The metal mixture is brought to the electrostatic separator for sorting through the hoist connected to the semi-finished material outlet of the airflow vibrating screen. The sorted metal finished material is output through the finished material outlet of the electrostatic separator, and the slag is passed through The slag discharge reamer is reamed, and the semi-finished materials that have not been sorted successfully are sent to the feeding reamer conveyor through the return reamer conveyor, and then re-enter the secondary pulverizer for crushing and continued processing. The advantage of this production line is that it not only reduces the Reduce the crushing load of the secondary pulverizer, and improve the efficiency of electrostatic separation of slag, so that the metal content in the slag reaches the lowest level.

The above-described embodiment is only a preferred solution of the utility model, and does not limit the utility model in any form. There are other variations and improvements without exceeding the technical solution described in the claims. type.

Claims (8)

1. A dry-type separation waste circuit board production line, characterized in that: it includes a conveyor connected in sequence, a crusher, a primary pulverizer, a feeding hinge conveyor, a secondary pulverizer, a cyclone feeder, and an airflow vibrating screen , hoist, electrostatic separator and return hinged conveyor, the discharge part of the return hinged conveyor is connected with the feeding part of the loading hinged conveyor; the airflow vibrating screen is equipped with a dust outlet and a finished material outlet and the semi-finished material outlet, the dust outlet is connected to the dust suction fan, and the pulse dust removal box and the slag discharge hinge are arranged in turn after the dust suction fan, and the semi-finished material outlet is connected to the hoist; the electrostatic separator is equipped with a slag discharge port, a finished material outlet and a semi-finished product. The material outlet, the slag outlet is connected to the slag discharge auger, and the semi-finished material outlet is connected to the return auger conveyor. 2. The dry-type separation waste circuit board production line according to claim 1, characterized in that: the feed port of the primary shredder is located below the shredder, and is connected to the lower hopper arranged at the bottom of the shredder through a soft connection . 3. The dry-type separation waste circuit board production line according to claim 2, characterized in that: the connection between the lower hopper arranged at the bottom of the crusher and the crusher is a sliding connection. 4. The dry-type separation waste circuit board production line according to claim 1, characterized in that: the feed port of the feeding hinged conveyor is located below the primary pulverizer, and is connected to the primary pulverizer through a flexible connection. The lower hopper at the bottom is connected. 5 . The dry-type separation waste circuit board production line according to claim 1 , characterized in that: the connection between the discharge port of the hinged conveyor and the feed port of the secondary pulverizer is a sealed connection. 5 . 6. The dry-type separation waste circuit board production line according to claim 1, characterized in that: the discharge port of the secondary pulverizer is connected to the feed port of the cyclone feeder through an S-shaped conveying pipeline, and the cyclone feeder The discharge port of the feeder is located above and connected to the working cavity of the airflow vibrating screen. 7. The dry-type separation waste circuit board production line according to claim 1, characterized in that: the bodies of the primary pulverizer and the secondary pulverizer are equipped with water circulation cooling casings. 8. The dry-type separation waste circuit board production line according to claim 1, characterized in that: the tailings of the pulse dust removal box are unloaded by the unloader and sent to the slag discharge auger.