A device for the separation of charged particles by mass

 

The invention relates to nuclear engineering. In the vacuum chamber 1 is placed source 2 charged particles, the insulator 5, a separator 6 and the receivers 10 and 11. The separator 6 consists of a tube 7 and which is located inside of the socket 8. The pipe 7 and socket 8 is formed with divergent magnetic field of the magnetic barriers and provided with a longitudinal slit slits 11 and 12. The socket 8 is made of a static magnet. The pipe 7 is made of a conducting or superconducting material. The pipe 7 and socket 8 are curved on arcs of circular orbits of charged particles. The bending pipe 7 corresponds to the radii of the orbits of light charged particles. The bending of the socket 8 corresponds to the radii of the orbits of heavy charged particles. The wide end of the funnel 8 is connected around the circumference of the pipe 7. Source 2 charged particles placed in the region of the connection pipe 7 and the wide end of the funnel 8. The axis of symmetry of the slots lie in the plane of symmetry of the separator 6. Slit the slit separates the poles of the magnet socket 8. Separation of charged particles occurs at a divergent magnetic barriers of the magnetic field formed by the pipe 7 and socket 8, which flow constant in the direction of electric currents. Light charged particles are collected in the receiver 9, although the substance. 2 Il.

The invention relates to nuclear engineering and is intended for use in the separation of charged particles, for example, for separation of isotopes of natural mixtures in a wide range plurality of chemical elements.

There are several known devices for the separation of charged particles by electromagnetic mass method. The device developed in the search for reliable methods of isotope separation, methods of implementation and controlled nuclear fusion, methods for forming beams of charged particles in an ion-beam and electron-beam devices and methods of control of charged particle beams in accelerator technology. For separating charged particles using a centrifugal force acting on the particle when moving along a curved trajectory, and Lorentz force acting on moving in an electric or magnetic field a charged particle.

It is known a device for the separation of charged particles in the plasma, in which separation of the particles occurs in areas of homogeneous and inhomogeneous magnetic fields of the coil winding, made in the form of solenoids, when the selective heating of plasma ions of the selected isotope. CE is carried out using a high-frequency generator and the antenna. Plasma mass separator contains a vacuum chamber. In the vacuum chamber has a source of charged particles, electron source, the separator of charged particles, the high-frequency antenna and a receiver of the charged particles. The source of charged particles is a plasma source. The electron source is made in the form of an annular emitter. The separator of charged particles is made in the form of a magnetic system with a straight tubular section of a uniform magnetic field and a curved tubular section inhomogeneous magnetic field. On a straight tubular section is selective heating of plasma ions of a selected isotope effect of the electromagnetic field with a frequency equal to the cyclotron frequency. Plot inhomogeneous magnetic field is done in the form of curved pipes. The separator of charged particles is made of many steps. Each stage of the separator contains a plot of a uniform magnetic field, which is used for selective heating of the ions, and the plot of inhomogeneous magnetic field. Plot inhomogeneous magnetic field includes an even number of segments solenoids with alternating the sign of the curvature. The receiver of the charged particles produced in the form of headers for selection required by nonsolenoidal and output of each stage (see RF patent 2069084, 6 01 D 59/48, H 01 J 49/26, N 05 N 1/02).

A disadvantage of the known device is the low selectivity in the separation of charged particles due to the limited capacities of the beam splitting isotope ions are separated because the scattered and unfocused beams isotope ions.

The closest in technical essence and the achieved result (prototype) of the claimed invention is a device for the separation of charged particle mass, in which separation of the particles is carried out on the magnetic barriers of the electromagnetic field along the conductive pipes. A device for the separation of charged particles by mass contains a vacuum chamber in which is placed a source of charged particles, the receivers of charged particles and drift of charged particles, made in the form of curved pipes and hollow element located inside the tube with the formation of the gap and connected to a tube with a longitudinal slit slits in the pipe and the floor element, with the possibility of a leakage of electric current along the pipe. The hollow element made in the form of a curved pipe, made of electrically conductive material, and a longitudinal slit cut in the hollow element prednaznachem. RF patent 2133141, 6 01 D 59/48, H 01 J 49/30).

The main disadvantages of the prototype are, first, the low selectivity in the separation of charged particles due to cleavage isotope beams of ions with magnetic barriers in the form of a shallow magnetic grooves along the longitudinal slit of the slit in the pipe and the hollow element in the region of their internal point of touch, and subsequent transport of charged particles in these grooves; secondly the high energy cost of the process of separation of charged particles due to the use of a hollow element that requires an electric current to the magnetic field.

The invention consists in that the device for the separation of charged particles by mass, containing a vacuum chamber in which is placed a source of charged particles, the receivers of charged particles and drift of charged particles, made in the form of curved pipes and hollow element located inside the tube with the formation of the gap and connected to a tube with a longitudinal slit slits in the pipe and the floor element, with the possibility of a leakage of electric current along the pipe, the hollow element is made in the form of a bell from a static magnetia slot in the cowl is designed to separate poles of the static magnet from each other, a source of charged particles placed in the region of the connection pipe and the wide end of the funnel.

The technical result is to increase the selectivity in the separation of charged particles by mass and decrease energy costs for the implementation of the separation process.

The increase of selectivity in the separation of charged particle masses is provided by the formation of wider and deeper than in the prototype, magnetic grooves in the longitudinal slot of the slots in the curved tube and made of a magnetic material, the socket for the separation of charged particle masses and for the transportation of the undivided and divided by the mass of charged particles. In the prototype for the formation of wide and deep magnetic gutters would need to cut out the location of the point of tangency of curved pipes, which in turn would have made it impossible connection of curved pipes with each other. The formation of wider and deeper than in the prototype, the magnetic chutes became possible when using the set in a curved pipe socket with different longitudinal forming. Using socket, made of magnetic material with a variety of curvilinear longitudinal forming, in which most, than in the prototype, the splitting of beams of charged particles and to increase the selectivity of the separation of isotopes to 0.99.

Reducing energy costs for the implementation of the process of separating charged particles is achieved by performing a hollow element of magnetic material that does not require electric current to the magnetic field.

The invention is illustrated by drawings, where Fig.1 shows a General view of the device for the separation of charged particle mass, Fig.2 is a vertical section of the separator of charged particles.

A device for the separation of charged particles by mass contains a vacuum chamber 1, which has a source 2 of charged particles, consisting of the ionization chamber 3 and forms a pull electric field of the electrodes 4, the insulator 5, a separator 6 charged particles, made in the form curved with different radii of bending pipe 7, is made of electrically conductive material, and a hollow element mainly circular cross-section, made in the form of a socket 8 of magnetic material, namely of the static magnet, and installed in each other with an inner join on the district line in one end, receivers 9 light charged particles and is moved in the direction from the internal connection pipe 7 at source 2 charged particles to the receivers 9, 10 charged particles with the formation of a gap between the outer surface of the socket 8 and the inner surface of the tube 7. The receivers 9, 10 of charged particles produced in the form of pockets and electrically separated from the vacuum chamber 1 by insulators 5.

The separator 6 of charged particles produced in the form of product, collected from a pipe 7, which is constant in the direction of the electric current, and the socket 8, forming a magnetic field with divergent magnetic barriers for isotope separation, is simultaneously the source of the magnetic field. Magnetic barriers are higher values of the magnetic induction in the longitudinal slot of the slot 11 of the tube 7, and an extended region of space around the pipe 7, and the longitudinal slot of the slot 12 of the socket 8. The pipe 7 is made of a conducting or superconducting electric current material. Magnetic pole socket 8 are separated from each other by a longitudinal slot slot 12. The diameter of the widest part of the funnel 8 is equal to the inner diameter of the tube 7. The socket 8 is located inside the tube 7 with an inner join, i.e., one end of the tube 7 is connected with the socket 8 in its widest part. The pipe 7 and socket 8 are arranged symmetrically about the plane of symmetry separate the different particles. The socket 8 is curved on the arc of a circle, the radius of which corresponds to the radius of the circular orbit of heavy charged particles. In the pipe 7 and socket 8 from the smallest bend radius of the pipe 7 and socket 8 is made in one longitudinal slit slits 11 and 12, respectively, with the axis of the slots 11 and 12 lie in the plane of symmetry of the separator 6. This serial arrangement of curved pipes 7 and socket 8 having different curved longitudinal form, provides for the separation of charged particle beams depending on their mass. The source of charged particles 2 are placed in the longitudinal slot of the slots 11, 12 in the connection pane curved pipes 7 and socket 8 of the separator 6 of the charged particles.

For the induction of the magnetic field with magnetic barriers along the tube 7 is necessary to apply an electric current in one direction. The negative potential thus applied to the end of the pipe 7 in the other end of the separator 6, in which are introduced the partial positively charged particles. A positive potential is applied to the end of the pipe 7 at the other end of the separator 6, which outputs the separate positively charged particles. The value of the potential difference at the ends of the tube 7 is regulated. Distribution in poluchaetsya field with divergent barriers magnetic induction.

The proposed device for the separation of charged particles by mass is as follows.

In the ionization chamber 3 source 2 charged particles molecules shared charged particles are ionized, and then ions are pulled by the electric field between the electrodes 4 source 2 charged particles and then sent to the separator 6.

Derived from source 2 a mixture of charged particles in the separator 6 of the charged particles is served in the plane of symmetry of the separator 6, in the space between the vacuum chamber 1 and the junction pipe 7 and socket 8 of the separator 6 of the charged particles. The magnetic barrier along the short unbranched plot at the junction pipe 7 and socket 8 is created by an electric current through the pipe 7 and the field is made of magnetic material of the socket 8, therefore, the magnetic barrier is easy to keep shared charged particles at a single instant a circular orbit. As the movement of charged particles into the region of divergence of the pipe 7 and socket 8, in the region of divergence of the longitudinal slot of the slots 11 and 12, in the region of the magnetic field with divergent magnetic barriers in the area with the smaller values of the magnetic induction compared with induction on the notes, and magnetic induction is maintained at a level when the beam of light charged particles in orbit, having a small radius and the beam of heavy charged particles through the longitudinal slit of the slit 11 in the pipe 7 leaves orbit, having a small radius. The beam of heavy charged particles passes into orbit with a larger radius. The retention beam of heavy charged particles in orbit with a larger radius, is another magnetic barrier, i.e., a sufficient value of the magnetic induction created by the socket 8 in the longitudinal slot of the slot 12, and, to a small extent, created by an electric current through the pipe 7.

The peculiarity of the separator of charged particles is the maximum selectivity in the separation of charged particles. The maximum selectivity is obtained because the greatest cleavage isotope beams of ions with magnetic barriers, having the form of a deep magnetic gutters along the diverging slots 11 and 12 in the pipe 7 and socket 8, respectively, and through subsequent transport beams isotope ions deep magnetic trays. The formation of magnetic barriers in the form of deep magnetic chutes became possible due to the use made of mlilo to get more than in the prototype, the splitting of the beams of charged particles and to achieve selectivity isotope separation equal to 0,99.

After the separator 6 light charged particles charged particles into the receiver 9, and heavy charged particles into the receiver 10 and accumulated in these receivers.

The performance of the device for the separation of charged particle mass is determined by the current extracted from the ion source, grows with increasing tension pulls the fields width and length of the hole source. Improving the performance of the device for separating charged particles of mass requires an increase in the size of the source of charged particles, the separator and receiver of the charged particles. To improve the performance of the device for the separation of charged particle mass is also required to increase the magnetic induction in the slot of the slot of the static magnet.

The invention, in comparison with the known technical solutions, increases the selectivity in the separation of charged particle mass due to the separation of charged particles and transport of charged particles in magnetic barriers, formed a deep magnetic grooves in the longitudinal selavy. The development of strong magnetic chutes became possible when using the set in a curved pipe socket with a variety of curvilinear longitudinal forming, in which a longitudinal slit, the slit is designed to separate the magnetic poles from each other. The invention, in comparison with the known technical solutions, reduce energy costs for the implementation of the process of separation of charged particles by performing a hollow element of the static magnet that does not require electric current to the magnetic field.

A device for the separation of charged particle masses tested on the electrophysical model. The electrical model of the device for separating charged particles of the partial beams of charged particles simulated nonmagnetic conductors of electric currents. Light charged particles simulated light non-magnetic conductor with electric current. Heavy charged particles simulated heavy non-magnetic conductor with the same electric current.

Claims

A device for the separation of charged particles by mass, containing a vacuum chamber, in which the placement is curved pipes and hollow element, located inside the tube with the formation of the gap and connected to a tube with a longitudinal slit slits in the pipe and the floor element, with the possibility of a leakage of electric current along the tube, wherein the hollow element is made in the form of a bell from a static magnet located in a pipe with an inner join on the district line of the wide end of the funnel, a longitudinal slit cut in the cowl is designed to separate poles of the static magnet from each other, and the source of charged particles placed in the region of the connection pipe and the wide end of the funnel.

 

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FIELD: radiochemistry.

SUBSTANCE: proposed method includes mixing of highly dispersed donor and acceptor powders. Mixture obtained in the process is irradiated and radioisotopes produced as result of irradiation are chemically extracted from acceptor powder. Prior to chemical extraction acceptor is separated from donor by superimposing magnetic field onto mixture. Magnetic material is used as acceptor in the process.

EFFECT: enhanced yield and specific activity of radioisotopes noted for high isotope purity.

5 cl, 1 tbl, 1 ex

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