CN202498038U

CN202498038U - Ultrasonic high-voltage electrostatic separating device of metal and nonmetal mixed particles

Info

Publication number: CN202498038U
Application number: CN201220026019XU
Authority: CN
Inventors: 聂祚仁; 席晓丽; 朱晓光; 朱健健; 左铁镛
Original assignee: Beijing University of Technology
Current assignee: Beijing University of Technology
Priority date: 2012-01-19
Filing date: 2012-01-19
Publication date: 2012-10-24
Anticipated expiration: 2022-01-19

Abstract

The utility model provides an ultrasonic high-voltage electrostatic separating device of metal and nonmetal mixed particles. The device comprises a material mixing cavity 2 and a material outlet 4 which is connected with the material mixing cavity. The material mixing cavity 2 is provided with an ultrasonic generator 1 and an electrostatic generator 3. An exit of the material outlet 4 is provided with a discharge pole plate 5, and another end of the discharge pole plate 5 is engaged with a high voltage electrostatic grounding roller 6. A metal particle collection groove 10 and a nonmetal particle collection groove 9 are placed at two sides under the high voltage electrostatic grounding roller 6 along a direction of the high voltage electrostatic grounding roller 6 in order. A roller brush 7 is arranged on the high voltage electrostatic grounding roller 6 and at a side for placing the nonmetal particle collection groove 9. Hair of the roller brush 7 is close to the high voltage electrostatic grounding roller 6. According to the utility model, effective separation of metal particles and nonmetal particles is realized, and the device has the advantages of high practicability, a good separation effect and the like.

Description

The ultrasonic high pressure electrostatic separation apparatus of a kind of metal and nonmetal hybrid particles

Technical field:

The utility model relates to the ultrasonic high pressure electrostatic separation apparatus of metal and nonmetal hybrid particles, is hybrid particles is carried out recovery effective, harmless, resource, belongs to the sorting technology field.

Background technology:

At present, for the sorting of metal and nonmetal hybrid particles such as mine particle, circuit board powder granule etc., mainly contain the separating method of wet cleaning process, gravity separation method, floatation, cyaniding or the associating of these methods.These method for separating basically all exist output investment ratio bigger, and damage ratio is than the shortcoming of serious and inferior separating effect.China is a developing country; There are a large amount of development of mines; And along with expanding economy, a large amount of waste electrical equipment abandoneds and form electron wastes, it is urgent problem that the sorting of its broken back hybrid particles is reclaimed; Be shown in above situation, develop a kind of technology efficient, low-cost, free of contamination sorting hybrid particles and be very important.

The utility model content

The purpose of the utility model is to provide the ultrasonic high pressure electrostatic separation apparatus of a kind of metal and nonmetal hybrid particles, through hyperacoustic pulverizing and desiccation, has solved between the powder material because interior friction; The phenomenons such as reunion that reasons such as deliquescence cause; Strengthened electrostatic interaction, utilized the difference of electric conductivity between powder material, through the high-pressure electrostatic sorting; Under the effect of electrostatic attraction and mechanical force, realize metal and nonmetallic effective Separation and Recovery.

Mainly metallic particles such as non-metallic particles such as various organic material plastics and copper, iron, gold in the hybrid particles; To the different characteristics of hybrid particles and the deficiency on the present hybrid particles recovery technology; The utility model propose to adopt the scheme of ultrasonic high pressure electrostatic separation, realizes effectively separating of metallic particles and non-metallic particle.

The utility model provides the ultrasonic high pressure electrostatic separation apparatus of a kind of metal and nonmetal hybrid particles, comprises batch mixing chamber and the discharge gate that is attached thereto, and wherein in described batch mixing chamber, is provided with supersonic generator and electrostatic generator; Exit at discharge gate is provided with discharge plate; The other end of discharge plate is connected with high-pressure electrostatic ground connection roller, and the both sides, below of high-pressure electrostatic ground connection roller are along high-pressure electrostatic ground connection roller direction; Place metallic particles feeder, non-metallic particle feeder successively; On high-pressure electrostatic ground connection roller, the side of placing the non-metallic particle feeder, be provided with roller brush, the bristle of roller brush is close to high-pressure electrostatic ground connection roller.

The ultrasonic high pressure electrostatic separation apparatus of above-mentioned hybrid particles, but the height of discharge plate 5 wherein and angle of inclination free adjustment.

Utilize above-mentioned piece-rate system to realize the method for the ultrasonic high pressure electrostatic separation of hybrid particles, mainly comprise the steps:

Start supersonic generator and electrostatic generator, with the 50-100 purpose hybrid particles after the fragmentation, the batch mixing chamber of packing into; Ultrasonic wave destroys intergranular adhesion, reduces ambient humidity, and electrostatic generator makes all particles all saturated charged; All particles drop on the discharge plate afterwards, and metallic particles loses electric charge rapidly, under the comprehensive function of centrifugal force and gravity; Metallic particles flies away from roller, falls into the metallic particles feeder; Charged non-metallic particle is attracted to roller surface under the electrostatic force of high-pressure electrostatic roller, rotate with roller, is brushed by the roller brush of back, falls into the non-metallic particle feeder, realizes separating of metallic particles and non-metallic particle.

In the method for the ultrasonic high pressure electrostatic separation of above-mentioned hybrid particles, the operating frequency of supersonic generator is in 25kHz～120kHz scope, and the voltage of electrostatic generator is at 5kV-10kV, in the electric current 2-5mA scope.

The principle of ultrasonic high pressure electrostatic separation is through action of ultrasonic waves, destroys the adhesion between the fine grained, the dried, classified particle; Reduce ambient humidity, strengthen electrostatic efficiency, through the corona electrode effect in the batch mixing chamber; Make particle all electrically charged, metallic particles discharges rapidly through discharge plate, under the effect of high-pressure electrostatic roller; Charged non-metallic particle is brushed by the roller brush of back because the electrostatic attraction of static roller is attracted to roller surface, falls into nonmetal feeder; Metallic particles falls into the metal feeder because roller is flown away from the effect of mechanical force.

The utlity model has following beneficial effect:

Utilize the utility model to realize the ultrasonic high pressure electrostatic separation of hybrid particles, compare with common high-pressure electrostatic sorting unit, the efficiency of separation is high; Effective, compare with traditional pneumatic separation and gravity separation, have efficient; Cost is low; Pollution-free, be prone to advantages such as scale, solve the serious secondary pollution problems that method for separating brought such as floatation, cyaniding fully.

Description of drawings

Fig. 1 is the sketch map of the utility model ultrasonic high pressure electrostatic separation apparatus.

1. supersonic generator, 2. batch mixing chamber, 3. electrostatic generator, 4. discharge gate, 5. discharge plate, 6. high-pressure electrostatic ground connection roller, 7. roller brush, 8. metal and nonmetal hybrid particles, 9. non-metallic particle feeder, 10. metallic particles feeder

The specific embodiment

The mixed powder grain sorting device of the utility model ultrasonic wave and high-pressure electrostatic coupling is as shown in the figure; The discharge gate 4 that comprises batch mixing chamber 2 and be attached thereto; Wherein in described batch mixing chamber 2, be provided with supersonic generator 1 and electrostatic generator 3, be provided with discharge plate 5 in the exit of discharge gate 4, the other end of discharge plate 5 is connected with high-pressure electrostatic ground connection roller 6; The both sides, below of high-pressure electrostatic ground connection roller 6; Along high-pressure electrostatic ground connection roller 6 directions, place metallic particles feeder 10, non-metallic particle feeder 9 successively, on high-pressure electrostatic ground connection roller 6, the side of placing non-metallic particle feeder 9; Be provided with roller brush 7, the bristle of roller brush 7 is close to high-pressure electrostatic ground connection roller 6.

At first the 50-100 purpose hybrid particles after the fragmentation is evenly joined in the batch mixing chamber 2.

Open the supersonic generator 1 on 2 left side walls of batch mixing chamber, adjustable in supersonic generator 1 operating frequency 25kHz～120kHz scope, through supersonic generator 1 emission ultrasonic wave, make metal and the 8 generation vibrations of nonmetal hybrid particles in the batch mixing chamber 2.

Open electrostatic generator 3, through electrostatic interaction, it is saturated charged that metallic particles and nonmetal hybrid particles 8 are had.

Metal and nonmetal hybrid particles 8 are discharged through discharge gate 4 smoothly, and through discharging by freely regulated discharge plate 5, metallic particles discharges rapidly, and the non-metallic particle discharge is slow, continue to keep electric charge.

6 pairs of charged non-metallic particles of high-pressure electrostatic ground connection roller produce electrostatic attraction, are attracted to roller surface, rotate with roller; Take the roller rear to; Fallen by roller brush 7 brushes, fall into non-metallic particle feeder 9, metallic particles does not receive electrostatic attraction; Under the comprehensive function of centrifugal force and gravity, got rid of, fallen into metallic particles feeder 10.

The utility model electrostatic generator is at 5kV-10kV, and electric current 2-5mA scope is adjustable, and the utility model can be confirmed technological parameter according to the kind and the granularity requirements of hybrid particles in practical operation.

Claims

1. the ultrasonic high pressure electrostatic separation apparatus of a metal and nonmetal hybrid particles; The discharge gate (4) that comprises batch mixing chamber (2) and be attached thereto; It is characterized in that: in described batch mixing chamber (2), be provided with supersonic generator (1) and electrostatic generator (3), be provided with discharge plate (5) in the exit of discharge gate (4), the other end of discharge plate (5) is connected with high-pressure electrostatic ground connection roller (6); The both sides, below of high-pressure electrostatic ground connection roller (6); Along high-pressure electrostatic ground connection roller (6) direction, place metallic particles feeder (10), non-metallic particle feeder (9) successively, last at high-pressure electrostatic ground connection roller (6), as to place non-metallic particle feeder (a 9) side; Be provided with roller brush (7), the bristle of roller brush (7) is close to high-pressure electrostatic ground connection roller (6).

2. the ultrasonic high pressure electrostatic separation apparatus of a kind of metal according to claim 1 and nonmetal hybrid particles is characterized in that, the operating frequency of described supersonic generator (1) is in 25kHz～120kHz scope.