Permanent-magnetism electromagnetic combination type automatic adjusting water magnetizer used for ferroalloy electric furnace
A combined, ferroalloy technology, applied in the direction of magnetic field/electric field water/sewage treatment, etc., can solve the problems of inability to use ferroalloy electric furnace circulating cooling water, magnetic field strength cannot be automatically adjusted, large electric energy, etc., and achieve good economic benefits and application prospects , Anti-scaling treatment effect is good, the effect of reducing the waste of manpower and material resources
Inactive Publication Date: 2009-11-04
UNIV OF SHANGHAI FOR SCI & TECH
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Problems solved by technology
The main disadvantage of the former is that the magnetic field strength cannot be automatically adjusted according to different actual situations, while the main disadvantage of the latter is that it consumes a large amount of electric energy
And there is no special equipment that can be used for the circulating cooling water of ferroalloy electric furnace
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Embodiment Construction
[0016] The invention includes a permanent magnet electromagnetic combination device and an automatic control circuit thereof.
[0017] The permanent magnet electromagnetic combined device is composed of a shell 1, a permanent magnet (strontium ferrite) 2, an aqueduct 3 and an electromagnetic coil 6. The shell 1 is a cylinder, the aqueduct is located in the center of the shell, and the electromagnetic coil 6 is wound on On the outer wall of the aqueduct 3, a permanent magnet (strontium ferrite) is located between the aqueduct and the shell wound through the electromagnetic coil; the automatic control circuit consists of a fluid flow rate signal acquisition circuit 7, an I / V conversion and signal adjustment circuit 8 , A / D conversion circuit 9, single-chip microcomputer control system 10, D / A conversion circuit 11, excitation voltage control circuit 12 and electromagnetic coil 6 are sequentially connected in series. The housing 1 and the water pipe 3 are connected with a fixing ...
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The permanent magnet electromagnetic combined type automatic adjustment magnetic water device used in the ferroalloy electric furnace includes a permanent magnet electromagnetic combined type device and an automatic control circuit. The aqueduct of the permanent magnet electromagnetic combined device is located in the center of the shell, the electromagnetic coil is wound on the outer wall of the aqueduct, and the permanent magnet is located between the aqueduct and the shell wound through the electromagnetic coil; the automatic control circuit consists of a fluid flow rate signal acquisition circuit, I / The V conversion and signal adjustment circuit, the A / D conversion circuit, the single chip microcomputer control system, the D / A conversion circuit, the excitation voltage control circuit and the electromagnetic coil are sequentially connected in series. The shell and the water pipe are connected with a fixing clip groove for fixing the permanent magnets arranged between the shell and the water pipe, and the two ends of the whole device are connected with the water pipe by a flange. The device has good scale treatment effect, saves energy and electricity, and adopts a controller to make the magnetic field strength in the magnetizer reach the optimum value.
Description
technical field [0001] The invention relates to a permanent magnet electromagnetic combined type automatic adjustment magnetic water device, in particular to a permanent magnet electromagnetic combined type automatic adjustment magnetic water device used for antiscaling treatment of circulating cooling water of an iron alloy electric furnace. Background technique [0002] In the use of ferroalloy electric furnace, due to the scaling of the cooling water, the wall of the cooling water pipe becomes thicker, and the cooling efficiency decreases, resulting in a waste of electric energy; especially when the copper tile is blocked by scale, it has to stop production and organize manual replacement and purchase expensive Copper spare parts, resulting in huge economic losses. At present, many types of magnetic water antiscaling equipment at home and abroad can be divided into two categories: permanent magnet type and electromagnetic type. The main disadvantage of the former is that...
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IPC IPC(8): C02F1/48
Inventor 肖如吾杨永才
Owner UNIV OF SHANGHAI FOR SCI & TECH