CN100537038C - Built-in circulation heat exchange type large coil - Google Patents

Built-in circulation heat exchange type large coil Download PDF

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CN100537038C
CN100537038C CNB2005101167667A CN200510116766A CN100537038C CN 100537038 C CN100537038 C CN 100537038C CN B2005101167667 A CNB2005101167667 A CN B2005101167667A CN 200510116766 A CN200510116766 A CN 200510116766A CN 100537038 C CN100537038 C CN 100537038C
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heat exchanger
coil
exchange type
heat exchange
type electric
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CN1954918A (en
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高瑞安
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Weifang Guoyi Aluminum Co ltd
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Abstract

A large electromagnetic winding with built-in circulation heat exchanger for the high-power electromagnetic iron remover features that on internal heat exchanger, an external heat radiator, the cooling medium circulated between heat exchanger and heat radiator, and the heat conductive insulating resin (solid resin) are used for high heat dissipating effect.

Description

Built-in circulation heat exchange type large coil
Technical field
The present invention relates to a kind of circulation heat exchange type electromagnetic coil device, be particularly related to a kind of circulation heat exchange type electric magnetic iron remover, be used in places such as mine, coal and from non magnetic ore, absorb the irony object, belong to the magnetic separation field of separating solids material from solid material or fluid.
Background technology
In the occasion that the irony in the solid or liquid need be removed, especially mine, coal etc. need be used powerful electric magnetic iron remover, but the high-power generation that is accompanied by high temperature, the magnetic induction intensity of tramp iron separator, the saturating magnetic degree of depth and magnetic attraction descend thereupon, tramp iron separator can not be worked for a long time reliably, has influenced user's economic benefit greatly.I am engaged in the production of electric magnetic iron remover and acted as the agent of many years, clear developing history and the present situation of understanding domestic and international various electric magnetic iron removers.Self-cooled electromagnetic de-ironing separator is widely used in industries such as coal, thermal power generation, building materials, metallurgy now, it mainly is the magnetisable material that is used for removing bulk or powdery non-magnetic material, but because this electric magnetic iron remover is totally-enclosed self-cooled structure, be filled with the special-purpose unsaturated-resin of electrician between coil and the shell, coil can produce high heat in galvanization, because turn-to-turn interface thermal resistance is big, internal heat dissipating is difficult to rapidly disappear, cause internal temperature to raise, cause coil to destroy; And the oil immersed type electric magnetic iron remover uses the cold oil medium, the high temperature use can make the continuous charing of oily medium wherein for a long time, there is the danger of coil short and medium burning, is not suitable for being used in the tramp iron separator that required power is big, caloric value is big such as colliery and forbids the occasion of spark again; Also has a kind of air-cooled electromagnetic iron remover, the hot-air that use fan etc. blows away between coil dispels the heat, be unfavorable for installing and using but the general volume of this tramp iron separator is big, and the dust in the colliery, coal dust etc. can enter tramp iron separator with the wind, destroy the insulating properties between coil; Analyze reason that above several tramp iron separators do not adopt by the client except that radiating effect is bad, mainly be because heat-conducting medium directly contacts with coil, because the heat production height in the high-power tramp iron separator, the time has been grown and can make that medium is rotten to be produced dangerous or cause and loose contact.
And known dry type electric magnetic iron remover mainly takes following technical measures to increase the radiating effect of tramp iron separator, reduces the temperature rise of tramp iron separator:
1. core central authorities open the louvre of a perforation yoke;
2. iron core is made hollowly, and the cooling ring of being made by nonmagnetic substance vertically is set between the winding;
3. on the outer cover of tramp iron separator, be welded with a plurality of fin that have metal material to constitute;
4. reduce the current density of coil, increase the number of turn of coil etc.;
5. heat pipe is set between coil.
Consider above factor, the client also adopts overheated tubular type electric magnetic iron remover, what play conductive force is heat pipe, heat pipe is the vacuum tube that inside is equipped with the part heat-conducting medium, place heat pipe coil to dispel the heat, though the thermal conductivity of heat pipe itself is good, but heat pipe and the outside air contact area inserted in the coil are little, especially its heat dispersion is more apparent not good in powerful coil, and generally speaking for good contact the between heat pipe and coil, known technology is that the employing asbestos are made the filled media between heat pipe and coil, and the heat transfer efficiency of asbestos is bad, admittedly can not meet the demands.Recognizing in addition has research institution to develop to utilize the electric magnetic iron remover of evaporable cooling medium in coil and external condensation liquefaction equipment room circulation, but equipment is too higher than common electrical deironing device complex structure, manufacturing process complexity and cost.
Above-mentioned heat dissipating method is not all obtained good effect, particularly in working diameter
Figure C200510116766D0005085623QIETU
In the large-scale tramp iron separator more than the 1400mm, can't reliably working.According to client's needs, existing be badly in need of that a kind of power of exploitation is big, volume is little, be convenient to install, perfect heat-dissipating and the low electric magnetic iron remover of the ripe cost of manufacturing process.
Summary of the invention
The present invention will solve bad, the manufacturing process complicated technology problem of electric magnetic iron remover economy of good heat dissipation in the past, provide a kind of be applicable to occasions such as mine, coal be easy to make and the large power, electrically deironing device of good heat dissipation effect.Mainly be by a kind of built-in heat exchanger and external radiator and use thermal conductive insulation glue (solid gum) to improve the internal temperature rise problem that heat conduction velocity solves large-scale coil, improve the magnetic induction intensity of tramp iron separator.
For achieving the above object, the present invention adopts following technical scheme:
A kind of circulation heat exchange type electric magnetic iron remover, the iron core, the iron core that comprise housing, be arranged in the housing are around with coil, it is characterized in that: the heat exchanger that is full of cooling medium is inserted in the coil of tramp iron separator, cooling medium after the heat absorption flows out tramp iron separator through conduit and enters in the external radiator, and cooled cooling medium flows in the heat exchanger that is inserted in the coil through conduit.Heat exchanger and external radiator are communicated with by conduit, and cooling medium is full of heat exchanger, conduit and radiator, and cooling medium and coil circulate between heat exchanger and radiator non-contactly and dispel the heat.
Be filled with thermal conductive insulation glue as filler between described heat exchanger and coil.
Be filled with thermal conductive insulation glue as filler between described housing and coil.
Described heat exchanger is pipe shape, hollow sheet, hollow rectangular-shaped, hollow cylinder arc surfaced etc.
Nonmagnetic material or macromolecule organic material manufacturings such as described heat exchanger available copper, al stainless steel, copper aluminum composite pipes, stainless steel aluminium composite pipe.
Described heat exchanger has more than one.
Described housing outer surface has radiating fin.
Described conduit is provided with water pump and provides power for the circulation of cooling medium.
Described cooling medium is water, conduction oil, freezing liquid, cold-producing medium.
Described heat exchanger lateral arrangement is in coil.
Described heat exchanger is erect and is arranged in the coil.
Description of drawings:
Fig. 1 is the structural representation of the embodiment of the invention 1;
Fig. 2 is the structural representation of the embodiment of the invention 2;
The specific embodiment
Now in conjunction with the accompanying drawings and embodiments spirit of the present invention is done to describe in further detail:
Electric magnetic iron remover comprises more known structures described in figure: by outer magnetic grip 2, lid 3 and the end palm 5 housings of forming, housing outer surface can have radiating fin, place the iron core 4 in the housing, the iron core 4 outer coils 6 that are wound with, can produce a large amount of heat when flowing through the electric current of higher value in the coil 6, the temperature rise meeting descends the magnetic attraction of coil, and tramp iron separator work is just unreliable.Heat radiation system of the present invention is constructed as follows: 1, built-in heat exchanger places coil, and perpendicular putting as shown in Figure 1 is that center arrangement is a plurality of with the iron core; In order not influence coil magnetic field, built-in heat exchanger is made by nonmagnetic substance; Preferred pipe shape of heat exchanger or hollow sheet; 2, external radiator, identical with radiator used in everyday, certainly the difference according to suitable environment changes its pattern; The heat-conducting medium of heat enters from an end of radiator, flows out after the heat radiation cooling; 3, the conduit (mark is not digital among the figure) that connects radiator and built-in heat exchanger.
Heat-conducting medium (water, conduction oil, freezing liquid, cold-producing medium etc.) is full of built-in heat exchanger, radiator and conduit, leans on change self circulation of density or uses simple kinetic pump to drive circulation.
Built-in heat exchanger is made by the hot extrusion aluminium section bar, makes after oxidation processes, and oxide thickness smaller or equal to 100 μ m, or directly carries out the top layer insulation processing with thermal conductive insulation glue greater than 20 μ m.Nonmagnetic material and macromolecule organic material manufacturings such as the also available copper of heat exchanger, stainless steel, copper aluminum composite pipes or stainless steel aluminium composite pipe.
Have good heat conductivity and insulating properties between coil and heat exchanger in order to make, do not re-use known asbestos medium, and thermal conductive insulation glue commonly used in the production of radiator composite material is used here, thermal conductive insulation glue has good thermal conductivity (about thermal conductivity 100W/mk) and good resistivity, and (resistance is 1.0 * 10 15Ω mm), section bar market can have been bought; Also can use the heat conductive silica gel in the electronic device and equipment, award in ordinary electronic consumptive material market.Reach the heat-conducting glue that is filled with insulation between wire turn and the heat exchanger between online like this turn-to-turn, wire turn and housing, just realized closely gluing between heat exchanger and the wire turn, closely glued between wire turn.
The above-mentioned numeral of mentioning only is the situation of present embodiment, and the product that those skilled in the art can select other performance indications for use according to the difference and the common practise of market product just should belong to content of the present invention as long as total inventive concept is constant.
In embodiments of the invention 2, further feature is identical with embodiment 1, only is that the arranged direction of built-in heat exchanger is different with embodiment 1, and the heat exchanger lateral arrangement is between coil here.Be filled with the heat-conducting glue of insulation between same online turn-to-turn and wire turn and the heat exchanger, realized closely gluing between heat exchanger and the wire turn, closely glued between wire turn.
Certainly, on the basis of the present invention's design, those skilled in the art can carry out various selections and change not necessarily being confined to embodiments of the invention to the arrangement and the shape of heat exchanger, such as can being arranged to and the concentric ring shape of iron core and interlaced arrangement etc. anyhow, the shape of heat exchanger can be pipe shape, hollow sheet, hollow rectangular-shaped, hollow cylinder arc surfaced etc.
Advantage of the present invention and effect are: section is provided with heat exchanger and thermal conductive insulation glue in coil, can with A large amount of heat are taken out of rapidly, improve again turn-to-turn insulation intensity, have greatly strengthened the radiating effect of tramp iron separator, Effectively controlled the temperature rise of tramp iron separator. Particularly solved 1600mm above large-scale tramp iron separator continuous operation Temperature rise control technology problem. Result of use is good, and no fault produces.
In addition, heat-conducting medium does not directly contact with coil among the present invention, has avoided dangerous generation.
Last point, the present invention has adopted the ripe processing technology in radiator field, low cost of manufacture, worker Skill is ripe, the reliability height, and it is fast to go into operation.

Claims (11)

1. circulation heat exchange type electric magnetic iron remover, comprise housing, be arranged on the iron core in the housing, iron core is around with coil, it is characterized in that: the heat exchanger that is full of cooling medium is inserted in the coil of tramp iron separator, cooling medium after the heat absorption flows out tramp iron separator through conduit and enters in the external radiator, cooled cooling medium flows in the heat exchanger that is inserted in the coil through conduit, heat exchanger and external radiator are communicated with by conduit, cooling medium is full of heat exchanger, conduit and radiator, cooling medium and coil circulate between heat exchanger and radiator non-contactly and dispel the heat.
2. according to the circulation heat exchange type electric magnetic iron remover of claim 1, it is characterized in that: be filled with thermal conductive insulation glue between described heat exchanger and coil.
3. according to the circulation heat exchange type electric magnetic iron remover of claim 1, it is characterized in that: be filled with thermal conductive insulation glue between described housing and coil.
4. according to the circulation heat exchange type electric magnetic iron remover of one of claim 1-3, it is characterized in that: described heat exchanger is pipe shape, hollow sheet, hollow rectangular-shaped or hollow cylinder arc surfaced.
5. according to the circulation heat exchange type electric magnetic iron remover of claim 4, it is characterized in that: described heat exchanger is made with copper, aluminium, stainless steel, copper aluminum composite pipes or stainless steel aluminium composite pipe.
6. according to the circulation heat exchange type electric magnetic iron remover of claim 5, it is characterized in that: described heat exchanger has more than one.
7. according to the circulation heat exchange type electric magnetic iron remover of claim 6, it is characterized in that: described housing outer surface has radiating fin.
8. according to the circulation heat exchange type electric magnetic iron remover of claim 7, it is characterized in that: described conduit is provided with water pump and provides power for the circulation of cooling medium.
9. circulation heat exchange type electric magnetic iron remover according to Claim 8, it is characterized in that: described cooling medium is water, conduction oil, freezing liquid or cold-producing medium.
10. according to the circulation heat exchange type electric magnetic iron remover of claim 9, it is characterized in that: described heat exchanger laterally or erect and be arranged in the coil.
11. the circulation heat exchange type electric magnetic iron remover according to claim 4 is characterized in that: described heat exchanger is with nonmagnetic material or macromolecule organic material manufacturing.
CNB2005101167667A 2005-10-28 2005-10-28 Built-in circulation heat exchange type large coil Active CN100537038C (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
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CN100537038C true CN100537038C (en) 2009-09-09

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI424663B (en) * 2010-07-01 2014-01-21 Joy Ride Tech Co Ltd A motor with heat pipe

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105855041B (en) * 2016-06-08 2018-04-10 镇江电磁设备厂有限责任公司 A kind of continuous output device of magnetic material for constant magnetic deironing device

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
除铁器现状及发展趋势. 陈建生,杨钢.矿山机械,第9期. 2004
除铁器现状及发展趋势. 陈建生,杨钢.矿山机械,第9期. 2004 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI424663B (en) * 2010-07-01 2014-01-21 Joy Ride Tech Co Ltd A motor with heat pipe

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Assignee: SHANDONG KELIHUA ELECTROMAGNETIC EQUIPMENT Co.,Ltd.

Assignor: Gao Ruian

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Denomination of invention: Built-in circulation heat exchange type large coil

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Address before: 262601 Linqu County Technical Supervision Bureau, 172 prosperous road, Linqu County, Shandong Province

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Denomination of invention: Built in circulating heat exchange large electromagnetic coil

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Denomination of invention: Built in circulating heat exchange large electromagnetic coil

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