Electrostatic eliminating ultrasonic vibrating screen
By introducing an ion fan and a pulse device into the ultrasonic vibrating screen, the risks of dust explosions caused by static electricity and the problem of reduced screening efficiency have been solved, achieving efficient screening and safe operation of the equipment.
Patent Information
- Application Number
- CN202520520973.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-24
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-24
AI Technical Summary
Existing ultrasonic vibrating screens are prone to generating static electricity during the screening process, which leads to the risk of dust explosion, reduced screening efficiency and equipment failure, and the static electricity is difficult to clean.
An ultrasonic vibrating screen is constructed by combining an ion fan and a pulse device. The ion fan neutralizes static electricity, the pulse fan prevents screen blockage, and the ultrasonic vibration prevents material blockage.
It effectively prevents static electricity generation, improves screening efficiency and accuracy, reduces maintenance costs, and ensures safe operation of the equipment.
Smart Images
Figure CN223946190U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to screening equipment technical field, concretely is a kind of ultrasonic vibration screen of static electricity removal. BACKGROUND
[0002] At present, in screening process, ultrasonic vibration screen can produce static electricity, mainly the following several situations: one is material itself characteristic leads to: if material is insulating high powder material, like plastic powder, chemical raw material powder etc., when screening, particle and screen, particle and particle between each other rub and collide, charge is difficult to transfer and easy to accumulate static electricity. Two in dry environment: humidity is lower, static electricity is not easy to conduct out, and the charge produced will be accumulated in vibrating screen system, and then produce static electricity.
[0003] Ultrasonic vibration screen produces static electricity can bring multiple hazards: first, dust explosion risk: when screening is flammable, explosive powder material, such as flour, metal powder etc., static electricity discharge electric spark can ignite these powders, cause explosion, cause serious personnel casualties and property losses.
[0004] Second, it can affect screening effect: static electricity can make material adsorbed on screen, block screen hole, reduce screening efficiency and precision, and material adsorbed on screen is not easy to clean, increase maintenance cost and downtime. In addition, static electricity can also have influence on electronic components around equipment, it can interfere with electronic signal in control system, cause equipment failure, affect normal operation of equipment, thereby affect screening efficiency, even have great security risk.
[0005] Therefore, it is necessary to develop a kind of ultrasonic vibration screen of static electricity removal to solve these problems. UTILITY MODEL CONTENT
[0006] The utility model solves the technical problem to overcome the defects of prior art, provide a kind of ultrasonic vibration screen of static electricity removal, can effectively solve the problems in the background art.
[0007] In order to achieve the above object, the utility model discloses a kind of electrostatic removal ultrasonic vibration screen, the technical scheme used is, including base. The base upper has screen body, the screen body is connected by vibration spring and base, the screen body bottom has vibration motor, the screen body top has sealing cover, the sealing cover upper is equipped with feed inlet, the screen body is equipped with ion wind emission tube, the ion wind emission tube connects ion wind annular pipe, the ion wind annular pipe left side has ion wind machine, the ion wind annular pipe is connected with the ion wind machine, the ion wind emission tube below is equipped with pulse emission tube, the pulse emission tube end has dustproof head, the dustproof head includes injection port, the injection port both sides are hinged dustproof door, there is torsion spring between the dustproof door and the injection port, the pulse emission tube other end connects pulse annular pipe, the pulse annular pipe right side has pulse device, the pulse annular pipe is connected with the pulse device, the screen body is equipped with vibration rod, the vibration rod connects ultrasonic transducer.
[0008] As a preferred technical scheme of the utility model, the screen body includes upper screen body and lower screen body, the upper screen body bottom is detachably connected screen, side edge is equipped with first discharge port, the lower screen body bottom is closed, side edge is equipped with second discharge port, coarse material is discharged from the second discharge port, fine material is discharged from the first discharge port.
[0009] As a preferred technical scheme of the utility model, the ion wind emission tube has multiple, and annular array to the lower screen body, the ion wind annular pipe is connected in series with all the ion wind emission tube, and ion wind is blown to the screen body inside without dead angle.
[0010] As a preferred technical scheme of the utility model, there is one-way valve between the ion wind annular pipe and the ion wind machine, the one-way valve is connected with the one-way valve through first hose, the one-way valve left side has ion wind processing device, the one-way valve is connected with the ion wind processing device through pipeline, the ion wind processing device is connected with the ion wind machine through pipeline, when vibrating, the first hose can prevent vibration force from being transmitted to the ion wind processing device, to prevent damage.
[0011] As a preferred technical scheme of the utility model, the pulse emission tube has multiple, and annular array to the lower screen body, the pulse annular pipe is connected in series with all the pulse emission tube, and pulse ion wind without dead angle can be aimed at the screen.
[0012] As a preferred technical scheme of the utility model, there is pulse valve between the pulse annular pipe and the pulse device, the pulse valve is connected with the pulse annular pipe through second hose, the pulse valve other end is connected with the pulse device through pipeline, when vibrating, the second hose can prevent vibration force from being transmitted to the pulse device, to prevent damage.
[0013] Compared with the prior art, the utility model discloses the beneficial effects are: the utility model discloses an ultrasonic transducer converts electric energy into mechanical energy, through the vibration rod transmission to the screen, make the screen produce high frequency vibration, thereby effectively prevent material blockage, through the ion fan to the inside of the lower screen body blows ion wind and static electricity, again through the pulse device ion wind pulse to the screen prevents the screen blockage and the generation of static electricity. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is the utility model structure schematic diagram;
[0015] Figure 2 It is the utility model upper screen body structure schematic diagram;
[0016] Figure 3 It is the utility model lower screen body structure schematic diagram;
[0017] Figure 4 It is the utility model dustproof head opening state structure schematic diagram;
[0018] Figure 5 It is the utility model A place enlarged view.
[0019] In the drawing: 1, base;101, vibration spring;2, vibration motor;3, lower screen body;301, second discharge port;4, upper screen body;401, first discharge port;5, screen;6, vibration rod;7, ion fan;8, ion wind processing device;9, check valve;10, first hose;11, pulse device;12, pulse valve;13, second hose;14, ion wind annular pipe;15, pulse annular pipe;16, ion wind emission pipe;17, pulse emission pipe;18, dustproof head;1801, injection port;1802, dustproof door;19, sealing cover;1901, feed inlet. DETAILED DESCRIPTION
[0020] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor are within the protection scope of the utility model. Embodiment 1
[0021] As Figures 1 to 5The utility model discloses an ultrasonic vibration screen of static electricity removal shows the technical scheme that adopts is, including base 1, the upper part of base 1 has the screen body, and the screen body includes upper screen body 4 and lower screen body 3, and the bottom detachable connection screen 5 of upper screen body 4 is established first discharge port 401 in the side of upper screen body 4, and the bottom of lower screen body 3 is closed, and the side of lower screen body 3 is established second discharge port 301, and lower screen body 3 is connected with base 1 through vibration spring 101, and the bottom of lower screen body 3 has vibration motor 2, and the top of upper screen body 4 has sealing cover 19, and the top of sealing cover 19 is established feed inlet 1901, and lower screen body 3 is equipped with ion wind emission pipe 16, and ion wind emission pipe 16 is connected ion wind annular pipe 14, and ion wind emission pipe 16 has a plurality of, and annular array is to lower screen body 3, and ion wind annular pipe 14 connects all ion wind emission pipe 16 in series, and the left side of ion wind annular pipe 14 has ion wind machine 7, and there is check valve 9 between ion wind annular pipe 14 and ion wind machine 7, and check valve 9 is connected with ion wind annular pipe 14 through first hose 10, and the left side of check valve 9 has ion wind processing device 8, and check valve 9 is connected with ion wind processing device 8 through pipeline, and ion wind processing device 8 is connected with ion wind machine 7 through pipeline, and the below of ion wind emission pipe 16 is equipped with pulse emission pipe 17, and pulse emission pipe 17 has a plurality of, and annular array is to lower screen body 3, and pulse annular pipe 15 connects all pulse emission pipe 17 in series, and there is pulse valve 12 between pulse annular pipe 15 and pulse device 11, and pulse valve 12 is connected with pulse annular pipe 15 through second hose 13, and the other end of pulse valve 12 is connected with pulse device 11 through pipeline, and the end of pulse emission pipe 17 has dustproof head 18, and dustproof head 18 includes injection port 1801, and injection port 1801 both sides articulate dustproof door 1802, and there is torsional spring between dustproof door 1802 and injection port 1801, and the other end of pulse emission pipe 17 is connected pulse annular pipe 15, and the right side of pulse annular pipe 15 has pulse device 11, and pulse annular pipe 15 is connected with pulse device 11, and the upper screen body 4 is equipped with vibration rod 6, and vibration rod 6 connects ultrasonic transducer.
[0022] The utility model discloses a working principle: before screening work, first start ion wind machine 7 and ion wind processing device 8 to the direction of screen 5 blow ion wind, then control pulse device 11 and pulse valve 12 to screen 5 carry out intermittent pulse, when starting vibration motor 2 and ultrasonic transducer, and ultrasonic transducer passes through vibration rod 6 and transmits ultrasonic vibration to screen 5, when the screen body vibrates, through feed inlet 1901 and deliver material to the top of screen 5, and small block material falls to lower screen body 3 from the gap of screen 5, and large block material flows from first discharge port 401, and small block material flows from second discharge port 301, and every interval time pulse valve 12 opens, and the ion wind in lower screen body 3 is sprayed to screen 5, and neutralizes the static electricity on screen 5 and material, prevents static electricity adsorption, and dustproof door 1802 opens automatically because of the impact of gas, and closes automatically after the pulse because of the torsional force of torsional spring, prevents dust material from entering the inside of pipeline.
[0023] The circuit and mechanical connection involved in the utility model are the common means adopted by the skilled person in the art, and can be obtained by limited tests, which belong to the common general knowledge.
[0024] Components not described in detail herein are prior art.
[0025] Although the embodiments of the utility model have been shown and described, it can be understood by those of ordinary skill in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. An electrostatically damped ultrasonic vibrating screen comprising a base (1), characterised in that: The base (1) has a screen body above, the screen body is connected with the base (1) through a vibrating spring (101), the screen body has a vibrating motor (2) at the bottom, the top of the screen body has a sealing cover (19), the sealing cover (19) is provided with an inlet (1901) above, the screen body is provided with an ion wind emitting pipe (16), the ion wind emitting pipe (16) is connected with an ion wind annular pipe (14), the ion wind annular pipe (14) has an ion wind machine (7) on the left side, the ion wind annular pipe (14) is connected with the ion wind machine (7), the ion wind emitting pipe (16) is provided with a pulse emitting pipe (17) below, the pulse emitting pipe (17) has a dustproof head (18) at the end, the dustproof head (18) comprises a spraying port (1801), the dustproof door (1802) is hinged on the both sides of the spraying port (1801), the dustproof door (1802) and the spraying port (1801) are provided with a torsion spring, the other end of the pulse emitting pipe (17) is connected with a pulse annular pipe (15), the pulse annular pipe (15) has a pulse device (11) on the right side, the pulse annular pipe (15) is connected with the pulse device (11), the screen body is provided with a vibrating rod (6), and the vibrating rod (6) is connected with an ultrasonic transducer.
2. The electrostatically damped ultrasonic vibrating screen according to claim 1, wherein: The screen body comprises an upper screen body (4) and a lower screen body (3), the bottom of the upper screen body (4) is detachably connected with a screen mesh (5), and the side edge is provided with a first discharge port (401); the bottom of the lower screen body (3) is closed, and the side edge is provided with a second discharge port (301).
3. An electrostatically damped ultrasonic vibrating screen according to claim 2, wherein: The ion wind emitting pipe (16) has a plurality of ion wind emitting pipes (16) arranged in an annular array on the lower screen body (3), and the ion wind annular pipe (14) is connected with all the ion wind emitting pipes (16) in series.
4. The electrostatically damped ultrasonic vibrating screen of claim 3, wherein: The ion wind annular pipe (14) and the ion wind machine (7) are provided with a one-way valve (9), the one-way valve (9) is connected with the one-way valve (9) through a first hose (10), the one-way valve (9) has an ion wind treatment device (8) on the left side, the one-way valve (9) is connected with the ion wind treatment device (8) through a pipeline, and the ion wind treatment device (8) is connected with the ion wind machine (7) through a pipeline.
5. The electrostatically damped ultrasonic vibrating screen of claim 2, wherein: The pulse emitting pipe (17) has a plurality of pulse emitting pipes (17) arranged in an annular array on the lower screen body (3), and the pulse annular pipe (15) is connected with all the pulse emitting pipes (17) in series.
6. An electrostatically damped ultrasonic vibrating screen according to claim 5, wherein: The pulse annular pipe (15) and the pulse device (11) are provided with a pulse valve (12), the pulse valve (12) is connected with the pulse annular pipe (15) through a second hose (13), and the other end of the pulse valve (12) is connected with the pulse device (11) through a pipeline.