CN217664723U - Electrostatic separation and screening device - Google Patents

Abstract

The utility model provides an electrostatic separation and screening plant, including frame, shale shaker, material shakeout baffle and electrostatic separator, shale shaker parallel arrangement is in the frame, the material shakeout baffle transversely sets up on the shale shaker to shakeout the material that gets into the shale shaker, make the material evenly lay on the shale shaker, electrostatic separator parallel arrangement is directly over the shale shaker, and screening process is carried out to the impurity of the heavy matter in the dry fruit to the shale shaker, utilizes electrostatic separator to adsorb the hair and the fibre piece of light simultaneously, with this to reach and carry out the simultaneous separation to heavy matter and the light impurity in the dry fruit, and set up the material shakeout baffle on the shale shaker, can make the material evenly lay on the shale shaker, can prevent that the dry fruit from piling up on the shale shaker, be favorable to the screening of heavy matter impurity, also be favorable to light impurity to expose on dry fruit surface, make electrostatic separator's adsorption efficiency increase to this has improved the efficiency of screening.

Description

Electrostatic separation and screening device

Technical Field

The utility model relates to a dry fruit screening edulcoration technical field, concretely relates to electrostatic separation and screening plant.

Background

Dried fruits, i.e. fruits which are in a dry state after ripening, or fruits which are dried by air-curing, such as dried medlar, raisins, chestnuts, walnuts, melon seeds, etc. In the dry fruit processing industry, dry fruits used as raw materials are mixed with various impurities, such as stones, straws, fruit stalks and soil blocks, and also mixed with light substances, such as hair, fiber scraps and the like. When screening the edulcoration to the raw materials, because light impurity and heavy impurity doping are in the same place, difficult direct screening separation that carries on, especially to light impurity such as hair, fibre piece, at the screening in-process, pile up the suppression in the bottom by dry fruit material easily, hardly by the direct adsorption separation of electrostatic devices, lead to separation inefficiency.

SUMMERY OF THE UTILITY MODEL

Accordingly, there is a need for an electrostatic separation and screening device that improves screening efficiency.

The utility model provides an electrostatic separation and screening plant, includes frame, shale shaker, material shakeout baffle and electrostatic separator, shale shaker parallel arrangement is in the frame, material shakeout baffle transversely sets up on the shale shaker to shakeout the material that gets into the shale shaker, make the material evenly lay on the shale shaker, electrostatic separator parallel arrangement is directly over the shale shaker to carry out the static edulcoration to the material on the shale shaker.

Preferably, the shale shaker includes sieve case, sieve and bobbing machine, the sieve case is upper end open-ended box, is provided with the buffering spring in the bottom of sieve case, buffering spring and frame fixed connection erect sieve case parallel in the frame, are provided with the blown down tank in the one end of sieve case, sieve parallel arrangement is at the sieve incasement to be connected with the blown down tank, the bobbing machine sets up in the bottom of sieve case, carries out vibratory screening.

Preferably, the end of the sieve box far away from the discharge chute is a feeding end, and the material flattening guide plate is transversely arranged at the feeding end of the sieve box so as to flatten the material entering the sieve plate and uniformly lay the material on the sieve plate.

Preferably, the height of the material flattening guide plate is adjustable.

Preferably, the lower end of the material flattening guide plate is arc-shaped.

Preferably, the electrostatic separator comprises an electrostatic cover with an opening at the lower end and electrostatic rollers, the electrostatic cover is arranged right above the vibrating screen and fixedly connected with the frame, the electrostatic rollers are arranged at the lower end of the electrostatic cover in parallel and right opposite to the screen box so as to adsorb impurities in materials on the screen plate.

Preferably, the upper end of static cover is provided with the negative pressure exhaust pipe, the inner chamber intercommunication of negative pressure exhaust pipe and static cover to carry out the negative pressure to the impurity that adsorbs on the static roller and take out.

The utility model adopts the above technical scheme, its beneficial effect lies in: through erect electrostatic separation ware above the shale shaker, utilize the shale shaker to sieve the in-process to the heavy matter impurity in the dry fruit, utilize electrostatic separation ware to adsorb the hair of light and fibre piece simultaneously, with this heavy matter and the light impurity of reaching in the dry fruit separate simultaneously, and set up the material on the shale shaker and shakeout the baffle, can make the material evenly lay on the shale shaker, can prevent that the dry fruit from piling up on the shale shaker, be favorable to the screening of heavy matter impurity, also be favorable to light matter impurity to expose on dry fruit surface, make electrostatic separation ware's adsorption efficiency increase, with this efficiency that has improved the screening.

Drawings

Fig. 1 is a schematic side view of the present invention.

Fig. 2 is a schematic view of the front view structure of the present invention.

Fig. 3 is a schematic view of the three-dimensional structure of the present invention.

Fig. 4 is another schematic view of the angle structure of the present invention.

Fig. 5 isbase:Sub>A schematic structural view of the cross section A-A of fig. 1.

Fig. 6 is a perspective view of the structure of fig. 2 taken along the line B-B.

Fig. 7 is a perspective view of the structure of fig. 2 taken along the line D-D.

Fig. 8 is the structure schematic diagram of the material flattening guide plate of the present invention.

In the figure: the device comprises a frame 10, a vibrating screen 20, a screen box 201, a screen plate 202, a vibrating machine 203, a buffer spring 204, a discharge chute 205, a discharge outlet 206, a material flattening guide plate 30, a guide plate 301, a mounting frame 302, a kidney-shaped adjusting tank 303, a fixing bolt 304, an electrostatic separator 40, an electrostatic cover 401, an electrostatic roller 402, a negative pressure exhaust pipe 403 and a material conveying device 50.

Detailed Description

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Referring to fig. 1 to 4, an embodiment of the present invention provides an electrostatic separation and screening apparatus, including a frame 10, a vibrating screen 20, a material flattening guide plate 30 and an electrostatic separator 40, wherein the vibrating screen 20 is disposed on the frame 10 in parallel, the material flattening guide plate 30 is transversely disposed on the vibrating screen 20 to flatten materials entering the vibrating screen 20, so that the materials are uniformly laid on the vibrating screen 20, and the electrostatic separator 40 is disposed directly above the vibrating screen 20 in parallel to perform electrostatic impurity removal on the materials on the vibrating screen 20.

Specifically, the electrostatic separator 40 is an electrostatic hair separator, and can adsorb light impurities such as hair, fine fibers and the like mixed in dry fruit products, the vibrating screen 20 is a linear vibrating screen, the electrostatic separator 40 is erected right above the vibrating screen 20 in parallel, a material conveying device 50 is erected at a material inlet of a screen body, the material is conveyed onto the vibrating screen 20 through the material conveying device 50, the material is dry fruit, the material flattening guide plate 30 is of a plate-shaped structure and is transversely arranged at the material inlet of the vibrating screen 20, the material entering the vibrating screen 20 is blocked, the material can be divided to two sides on the vibrating screen 20, the material is prevented from being accumulated in the middle of the vibrating screen 20, the material is uniformly laid on the vibrating screen 20 through the material flattening guide plate 30, the screening efficiency is increased, the screening efficiency is limited, the thickness of the material laid on the vibrating screen 20 is controlled, the light weight is favorably exposed on the surface of the dry fruit, and the adsorption efficiency of the electrostatic separator 40 is increased.

Referring to fig. 2 to 4, further, the vibrating screen 20 includes a screen box 201, a screen plate 202 and a vibrating machine 203, the screen box 201 is a box body with an open upper end, a buffer spring 204 is disposed at the bottom of the screen box 201, the buffer spring 204 is fixedly connected to the rack 10, the screen box 201 is erected on the rack 10 in parallel, a discharge chute 205 is disposed at one end of the screen box 201, the screen plate 202 is a perforated screen plate, and is disposed in the screen box 201 in parallel and connected to the discharge chute 205, and the vibrating machine 203 is disposed at the bottom of the screen box 201 to perform vibrating screening on the screen box 201; the sieve plate 202 is positioned in the middle of the sieve box 201, the lower end of the sieve plate 202 is a sieving separation chamber for collecting the sieved impurities, and the side wall of the separation chamber is provided with a discharge outlet 206 for discharging the impurities; after the materials enter the sieve plate 202, the materials are moved and output towards the direction of the discharge chute 205 under the action of the vibrating screen of the vibrating machine 203, and in the screening process, impurities such as hair, fibers and the like in the materials on the sieve plate 202 are adsorbed through the electrostatic separator 40.

Referring to fig. 7, further, one end of the sieve box 201 away from the discharge chute 205 is a feeding end, and the material flattening guide plate 30 is transversely disposed at the feeding end of the sieve box 201 to flatten the material entering the sieve plate 202, so that the material is uniformly laid on the sieve plate 202; in this embodiment, when the material passes through the material leveling guide plate 30, the material and the material leveling guide plate 30 generate friction motion, so that the surface of the material generates static electricity and temperature, which is beneficial for the electrostatic separator 40 to absorb impurities such as hair and fiber in the material.

Referring to fig. 7 and 8, further, the height of the material leveling guide plate 30 is adjustable; the material flattening guide plate 30 comprises a guide plate 301 and a mounting frame 302, the mounting frame 302 is transversely erected on the rack 10, the guide plate 301 is transversely and vertically arranged at the lower end of the mounting frame 302, waist-shaped adjusting grooves 303 are symmetrically arranged at two ends of the mounting frame 302, fixing bolts 304 are arranged on the waist-shaped adjusting grooves 303, the mounting frame 302 is fixed through the fixing bolts 304, the height of the mounting frame 302 can be adjusted, the distance between the guide plate 301 and the screen plate 202 is controlled, and the laying thickness of materials is controlled, so that the quantity of the materials is limited; in this embodiment, the mounting frames 302 may be disposed on both sides of the sieve box 201 for fixing and height adjustment.

Further, the lower end of the material flattening guide plate 30 is arc-shaped; the lower end of the material guide plate 301 of the material flattening guide plate 30 is bent towards the material output direction to form an arc shape, so that the material can pass through the arc shape, and the material is not easy to scratch.

Referring to fig. 5 and 6, further, the electrostatic separator 40 includes an electrostatic cover 401 with an opening at a lower end and electrostatic rollers 402, the electrostatic cover 401 is disposed right above the vibrating screen 20 and is fixedly connected to the frame 10, and the electrostatic rollers 402 are disposed in parallel at the lower end of the electrostatic cover 401 and face the screen box 201 to adsorb impurities in the material on the screen plate 202.

Referring to fig. 3 to 6, further, a negative pressure exhaust pipe 403 is disposed at an upper end of the electrostatic cover 401, one end of the negative pressure exhaust pipe 403 is communicated with an inner cavity of the electrostatic cover 401, and the other end is connected to an induced draft fan or a negative pressure device for sucking to extract impurities adsorbed on the electrostatic roller 402; in this embodiment, a negative pressure exhaust duct 403 is disposed at the upper end of the electrostatic cover 401, and has a dust exhaust function, so that dust generated in the screening process can be extracted together.

When the device is used specifically, the electrostatic separator 40 is erected above the vibrating screen 20, the vibrating screen 20 is utilized to screen heavy impurities in dry fruits, meanwhile, the electrostatic separator 40 is utilized to adsorb light hair and fiber debris, so that the heavy impurities and the light impurities in the dry fruits are separated simultaneously, the material flattening guide plate 30 is arranged on the vibrating screen 20, the materials can be uniformly laid on the vibrating screen 20, the dry fruits can be prevented from being accumulated on the vibrating screen 20, screening of the heavy impurities is facilitated, exposure of the light impurities on the surfaces of the dry fruits is also facilitated, the adsorption efficiency of the electrostatic separator 40 is increased, and the screening efficiency is improved.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made without departing from the spirit and scope of the invention.

Claims (7)

1. An electrostatic separation and screening device, its characterized in that: the vibrating screen flattening device comprises a rack, a vibrating screen, a material flattening guide plate and an electrostatic separator, wherein the vibrating screen is arranged on the rack in parallel, the material flattening guide plate is transversely arranged on the vibrating screen to flatten materials entering the vibrating screen, so that the materials are uniformly laid on the vibrating screen, and the electrostatic separator is arranged right above the vibrating screen in parallel to perform electrostatic impurity removal on the materials on the vibrating screen.

2. An electrostatic separation and screening apparatus as recited in claim 1, wherein: the shale shaker includes sieve case, sieve and bobbing machine, the sieve case is upper end open-ended box, is provided with the buffering spring in the bottom of sieve case, buffering spring and frame fixed connection erect sieve case parallel in the frame, are provided with the blown down tank in the one end of sieve case, sieve parallel arrangement is at the sieve incasement to be connected with the blown down tank, the bobbing machine sets up in the bottom of sieve case, carries out vibratory screening.

3. An electrostatic separation and screening apparatus as claimed in claim 2, wherein: the one end that the blown down tank was kept away from to the sieve case is the feed end, the horizontal setting of material shakeout baffle is at the feed end of sieve case to the material that will get into the sieve shakeouts, makes the material evenly lay on the sieve.

4. An electrostatic separation and screening apparatus as defined in claim 3 wherein: the height of the material flattening guide plate can be adjusted.

5. An electrostatic separation and screening apparatus as defined in claim 4 wherein: the lower end of the material flattening guide plate is arc-shaped.

6. An electrostatic separation and screening apparatus as recited in claim 5, wherein: the electrostatic separator comprises an electrostatic cover with an opening at the lower end and an electrostatic roller, the electrostatic cover is arranged right above the vibrating screen and fixedly connected with the frame, the electrostatic rollers are a plurality of electrostatic rollers, and the electrostatic rollers are arranged at the lower end of the electrostatic cover in parallel array and right opposite to the screen box so as to adsorb impurities in materials on the screen plate.

7. An electrostatic separation and screening apparatus as recited in claim 6, wherein: the upper end of the static cover is provided with a negative pressure exhaust pipe which is communicated with the inner cavity of the static cover so as to carry out negative pressure extraction on the impurities adsorbed on the static roller.

Images