SU860355A1 - Device for removal static electricity charges from moving materials - Google Patents

Description

(54) APPROACH FOR DRAINING CHARGES OF STATIC ELECTRICITY FROM MOVING MATERIALS

I

The invention relates to a technique of protection against static electricity in the production and processing of filamentous and thin film materials and can be used to remove electrostatic charge from electrified materials.

Devices for removing static charges are known, which contain discharge electrodes and high voltage power supplies 1.

However, the disadvantage of these devices is an increased risk of maintenance, which requires special protection measures.

The closest to the proposed technical entity is a device for removing static electrification charges from moving materials, comprising a housing made of diamagnetic material with an input of 1 m and an output of 1 m holes, a system for creating a magnetic field transverse to the direction of movement of the material of the magnetic field. areas inside the housing and a system for delivering ferromagnetic particles into the housing 2

However, this device has a low explosion-proof, as sparking.

resulting from the discharge of particles in explosive atmospheres can lead to an explosion.

The purpose of the invention is to increase the intrinsic safety of the device.

This goal is achieved by the fact that in a device for removal of static electricity charges from moving materials, comprising a case of diamagnetic material with inlet and outlet openings, systems for creating a magnetic field transverse to the direction of movement of the material of the magnetic field, at least in certain areas inside the housing and the system for supplying the ferromagnetic particles inside the body, the poles of the said system for creating a magnetic field are located at the inlet and outlet openings, and the supply pole is ferromagnetic vsholnena particles as source conductive fluid with vzvescheiiymi ferromagnetic particles in it.

FIG. 1-3 shows various projections

30 devices, general view.

Claims (2)

The proposed device consists of a base 1, on which a magnetic field with a lower 2 and top is installed. magnetic conductor, magnet 4, with an upper pole tip made of two ferromagnetic plates 5, and a diamagnetic insert 6 connected to the upper magnetic circuit by hinges 7, a lower pole tip consisting of two ferromagnetic plates that are a continuation of the lower magnetic conductor and diamagnetic insert of 8 between them. The working gap, formed by two pole tips, is hermetically sealed from the lateral sides by dielectric seals 9 (for example, rubber), and from the ends between the ferromagnetic parts of the pole tips are ferromagnetic seals 10. They are a suspension. 100 microns based on a conductive fluid (e.g. water). The conductive fluid 12, the base of the slurry, is poured with a constant replenishment into the pressurized working gap through the pipe 11. Through ferromagnetic seals and the working gap, filled with a conductive fluid, material 13 (for example, a thread, a thin film material) is moved, from which static charge is to be removed. The neutralizer works as follows: 3, pole pieces 5 and an air gap between them. Between diamagnetic inserts 6 and 8 there is no magnetic flux. Between the ferromagnetic parts of the pole pieces is placed a suspension of Yu, consisting of ferromagnetic particles, forming a densely packed structure of conductive bridges under the action of a magnetic field and forming seals that do not allow the conductive liquid 12 to flow out of the working gap. The lateral sides of the seals are diamagnetic gaskets 9. When the electromagnet is switched on, the system becomes self-sealing due to the force pulling one pole tip to the other. The material 13, which flows through the working gap, is wetted by the conductive liquid 12, and from there, the metal structures flow down to the ground. The material partially carries away the conductive fluid, therefore, a nozzle 11 is provided to enter it into the working gap. When a material breaks, the electromagnet is turned off, the upper pole tip is folded back, and the access of the conducting fluid to the working gap is also blocked. The material is refilled into the working gap, the electrical plug is turned on, the pole piece is lowered and the conductive liquid is opened into the working gap. The neutralizer is again ready for operation. As a result of the neutralization process, the ik is eliminated, therefore this design can be used in explosive rooms. The proposed device can be used for lubricating filamentary materials if the conductive fluid is replaced with a sizing composition. In addition, the device can be used for dyeing the filaments, as well as for applying a conductive or electrically insulating coating in the production of winding wires. Formula of the Invention systems for creating a magnetic field transverse to the direction of movement of the material, at least in certain areas inside the housing and a system for supplying ferromagnetic inside the housing particles, characterized in that, with a view to its prvyscheni vzrshobezopasnosti, therein pole of said system for generating a magnetic field located at the inlet and outlet openings, and system for feeding ferromagnetic particles formed as a source of conductive fluid therein sovzveshennymi ferromagnetic particles. Sources of information taken into account during the examination 1. USSR author's certificate No. 144243, cl. H 05 F 31/00, 1962. 2. USSR author's certificate number 476717, cl. H 05 F 31/02, 1975 (npotomn).