CN102641779A - Double-cold electromagnetic iron remover for underground explosion suppression - Google Patents
Double-cold electromagnetic iron remover for underground explosion suppression Download PDFInfo
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- CN102641779A CN102641779A CN2012101446129A CN201210144612A CN102641779A CN 102641779 A CN102641779 A CN 102641779A CN 2012101446129 A CN2012101446129 A CN 2012101446129A CN 201210144612 A CN201210144612 A CN 201210144612A CN 102641779 A CN102641779 A CN 102641779A
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Abstract
The invention relates to a double-cold electromagnetic iron remover for underground explosion suppression. The double-cold electromagnetic iron remover comprises a sealed explosion suppression structure cavity consisting of a plurality of magnet exciting coils, a magnet yoke, an iron core, a peripheral plate and a non-magnetic protection plate, wherein insulation parting strips are inserted among the magnet exciting coils to form a cooling oil duct, cooling oil is filled in the cooling oil duct and the sealed cavity, a plurality of circles of warped-piece-type cooling pipes are arranged on the periphery of the magnetic exciting coils, circulating cooling water flows in the cooling pipes, and a lifting lug and a wiring box are arranged on the magnetic yoke. With the structure, the cooling capacity of the iron remover is improved greatly, the magnetic field intensity of the iron remover is enhanced, and thus the iron remover is more suitable for removing iron under the work conditions of relatively high belt speed and relatively thick material beds. Simultaneously, the magnetic exciting coils are isolated from the outside by being arranged in the sealing cavity, and the double-cold electromagnetic iron remover wholly adopts an explosion suppression structure, so that the double-cold electromagnetic iron remover can be used in an underground coal mine with explosive gasses.
Description
Technical field
The invention belongs to the tramp iron separator field, be specifically related to a kind of down-hole flame proof that use under the explosive gas atmosphere is arranged in the down-hole with two cold electric magnetic iron removers.
Background technology
Along with the raising of China's rapid development of economy and living standards of the people, energy resource consumption is also increasing, and the demand of coal is just more and more, and the width of coal conveyer belt is more and more wideer when therefore mining, and defeated coal thickness is also more and more thicker.But simultaneously the quality of coal and the requirement of production safety are also improved constantly.Is the first step of screening process in the down-hole to the sorting of raw coal, in the raw coal removal of impurity whether thorough, with the operation that directly has influence on next procedure and to the protection of machinery equipment.The detonator that particularly mixes in the raw coal will not cause serious consequence if thoroughly do not remove.And the damp that often contains a large amount of gas under the coal mine is not employable if tramp iron separator does not have the flame proof ability.Present common tramp iron separator coil receives the restriction of heat-sinking capability, and the multipotency of magnetic field intensity reaches 1500Gs, can't thoroughly remove the tiny magnetic impurity that mixes such as detonator etc.Because of there not being the flame proof ability, can not, use the environment of damp in being arranged simultaneously.Thereby the tramp iron separator scope of application is very limited, and can't satisfy the production needs.
Summary of the invention
The purpose of this invention is to provide a kind ofly can have the down-hole flame proof of removing the various ferromagnetism impurity that mix in the environment of damp in the down-hole with two cold electric magnetic iron removers.
For realizing above-mentioned purpose; The technical scheme that the present invention adopts is: a kind of down-hole flame proof removes electrical equipment with two cold electromagnetism; Comprise magnet exciting coil 3, iron core 4, yoke plate 12, peripheral board 8, non magnetic baffle 2, radiating tube 5, terminal box 13; It is characterized in that: form a seal chamber by yoke plate 12, iron core 4, peripheral board 8 and non magnetic baffle 2, and adopt the explosion separation structure of National standard; Magnet exciting coil 3 is a plurality of, is that the center is arranged in the cavity with iron core 4; Be provided with insulation parting bead 15 between the coil and between coil and the cavity contact-making surface and form heat radiation oil duct 16; Be full of heat radiation oil 14 in its heat radiation oil duct and the seal chamber thereof; Be provided with many circle fin formula radiating tubes 5 in the periphery of magnet exciting coil 3, be connected with recirculated cooling water in the radiating tube; Terminal box 13 adopts the explosion separation structure of National standard, is arranged on the yoke plate.
Explosion separation structure of the present invention meets GB GB3836.1-2000 and GB3836.2-2000 specified standard.
Flame proof cavity material and thickness and explosion suppresion surface gap, length, roughness all satisfy the flame proof specification requirement.The flame proof cavity carries out the static water pressure test that 1MPa lasts 1Min, and the obviously distortion or the phenomenon that seeps water continuously can not take place.Cartridge inner surface is coated with the are-tight lacquer of C32-39, and explosion suppresion surface is coated with 204-1 antirust oil.Flameproof joint parameter: L>=25; I>=10; Ic≤0.4; Explosion suppresion surface roughness≤6.3.Exchange power frequency withstand test that 2300V and 500V last 1 minute not puncture and flashover phenomenon between the device turnover line and to should bearing respectively between the shell.
Magnet exciting coil of the present invention is a plurality of, is provided with the insulation parting bead between the coil and between coil and the cavity contact-making surface and forms heat radiation oil duct, and its winding wire adopts the copper cash or the aluminum steel of oil resistant.
Heat radiation oil of the present invention is the good heat radiation oil of insulating properties and heat transfer property.
Radiating tube of the present invention is copper pipe or aluminum pipe, is connected with cooling water in its pipe.
Hanger and winding wiring box are installed on the yoke plate of the present invention, and its winding wiring box adopts blast resistance construction.
Magnet exciting coil of the present invention is made up of a plurality of coils, between each coil, is fitted with the insulation parting bead between coil and the cavity contact-making surface to form heat radiation oil duct; Fill with heat radiation oil in heat radiation oil duct and the cavity, coil then and many circle radiating tubes are housed between the cavity is connected with the heat radiation cooling water outward in the pipe; The heat that heat radiation oil produces during with coil working conducts out; A part diffuses in the air through housing, and a part is passed to radiating tube, is taken away by the heat radiation cooling water circulation of passing through.The winding wiring box of installing on the yoke plate simultaneously also adopts explosion separation structure.Make the present invention under explosive gas atmosphere, to use, the present invention is rational in infrastructure, and the scope of application is extensive.
Description of drawings
Fig. 1 looks sectional structure chart for master of the present invention
Fig. 2 is the sectional structure chart of overlooking of Fig. 1
Among the figure: 1, drain oil; 2, non magnetic baffle; 3, magnet exciting coil; 4, iron core; 5, radiating tube; 6, cooling water inlet pipe; 7, cooling water; 8, peripheral board; 9, cooling water outlet pipe; 10, oil filler point; 11, hanger; 12, yoke plate; 13, winding wiring box; 14, heat radiation oil; 15, insulation parting bead; 16, heat dissipation channel.
The specific embodiment
By illustrated in figures 1 and 2, the present invention includes the magnetic system of forming by yoke plate 12, peripheral board 8, magnet exciting coil 3, iron core 4, non magnetic baffle 2; Cooling system by drain oil 1, oil filler point 10, heat dissipation channel 16, heat radiation oil 14, cooling water inlet pipe 6, radiating tube 5, cooling water 7 and cooling water outlet pipe 9 are formed is formed.Oil filler point 10, hanger 11 and winding wiring box 13 are installed on the yoke plate 12; Cooling water inlet pipe 6, cooling water outlet pipe 9 are installed on the peripheral board 8, then radiating tube 5 in the peripheral board 8, cooling water inlet pipe 6, cooling water outlet pipe 9, radiating tube 5 is communicated with; Magnet exciting coil 3 was installed in the seal chamber of being made up of yoke plate 12, peripheral board 8, iron core 4 and non magnetic baffle 2 by a plurality of the composition, and the sealing cavity adopts explosion separation structure.Be fitted with insulation parting bead 15 between the coil and between coil and the cavity contact-making surface to form heat dissipation channel 16.Fill with heat radiation oil 14 in cavity and the heat dissipation channel, radiating tube 5 is immersed in the heat radiation oil 14.Winding wiring box 13 adopts flame proof to connect structure.Because magnet exciting coil 3 is made up of a plurality of; Each coil thickness is very thin; And coil is immersed in the heat radiation oil 14, so the heat that produces during coil working is easy to be transmitted in the heat radiation oil 14, is transmitted to a heat part in the heat radiation oil 14 and passes to shell again and diffuse in the air; A part is passed to radiating tube 5, is taken away by the cooling water 7 that flows in the radiating tube 5.Therefore coil does not almost have temperature rise.Tramp iron separator cold and hot magnetic field when long-term work does not change like this, is easy to make the magnetic field of tramp iron separator to reach 1200 ~ 1800Gs as required, can greatly improve the de-ferrous effect of tramp iron separator.
Again because the seal chamber that magnet exciting coil 3 is installed adopts explosion separation structure; Winding wiring box 13 also adopts explosion separation structure, the flame proof parameter of parts such as binding post that its outlet is used and cable connector as: at a distance from stripping face, electric clearance, creep age distance with manufacture craft is all strict makes by standard GB 3836.1-2000 " explosive gas atmosphere electrical installation first: general requirement " and GB3836.2-2000 " explosive gas atmosphere electrical installation second portion: flame-proof type " d " " etc.It can stop the propagation of internal explosion explosive mixture around outside in the blast pressure that bears internal explosion property admixture of gas.
Be one embodiment of the present of invention more than, protection scope of the present invention is not limited in the foregoing description, and all technical schemes that belongs under the thinking of the present invention all belong to protection scope of the present invention.
Claims (6)
1. a down-hole flame proof removes electrical equipment with two cold electromagnetism; Comprise magnet exciting coil (3), iron core (4), yoke plate (12), peripheral board (8), non magnetic baffle (2), radiating tube (5), terminal box (13); It is characterized in that: form a seal chamber by yoke plate (12), iron core (4), peripheral board (8) and non magnetic baffle (2), and adopt the explosion separation structure of National standard; Magnet exciting coil (3) is a plurality of, is that the center is arranged in the cavity with iron core (4); Be provided with insulation parting bead (15) between the coil and between coil and the cavity contact-making surface and form heat radiation oil duct (16); Be full of heat radiation oil (14) in its heat radiation oil duct and the seal chamber thereof; Be provided with many circle fin formula radiating tubes (5) in the periphery of magnet exciting coil (3), be connected with recirculated cooling water in the radiating tube; Terminal box (13) adopts the explosion separation structure of National standard, is arranged on the yoke plate.
2. down-hole according to claim 1 flame proof is with two cold electric magnetic iron removers, and it is characterized in that: described explosion separation structure meets GB GB3836.1-2000 and GB3836.2-2000 specified standard.
3. down-hole according to claim 1 and 2 flame proof is with two cold electric magnetic iron removers; It is characterized in that: magnet exciting coil is a plurality of; Be provided with the insulation parting bead between the coil and between coil and the cavity contact-making surface and form heat radiation oil duct, its winding wire adopts the copper cash or the aluminum steel of oil resistant.
4. down-hole according to claim 1 flame proof is characterized in that with two cold electric magnetic iron removers: the heat radiation oil in heat radiation oil duct and the cavity thereof is insulating properties and the good heat radiation oil of heat transfer property.
5. down-hole according to claim 1 flame proof is with two cold electric magnetic iron removers, and it is characterized in that: radiating tube is copper pipe or aluminum pipe, is connected with cooling water in its pipe.
6. down-hole according to claim 1 flame proof is characterized in that with two cold electric magnetic iron removers: hanger (11) and winding wiring box (13) are installed on the yoke plate (12), and its winding wiring box (13) adopts explosion separation structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101446129A CN102641779A (en) | 2012-05-11 | 2012-05-11 | Double-cold electromagnetic iron remover for underground explosion suppression |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101446129A CN102641779A (en) | 2012-05-11 | 2012-05-11 | Double-cold electromagnetic iron remover for underground explosion suppression |
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| Publication Number | Publication Date |
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| CN102641779A true CN102641779A (en) | 2012-08-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012101446129A Pending CN102641779A (en) | 2012-05-11 | 2012-05-11 | Double-cold electromagnetic iron remover for underground explosion suppression |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103894286A (en) * | 2014-04-04 | 2014-07-02 | 辽宁凯宇矿山装备有限公司 | Composite-magnetic-pole electromagnetic iron remover |
| CN105797844A (en) * | 2016-05-16 | 2016-07-27 | 镇江电磁设备厂有限责任公司 | Electromagnetic flame-proof type iron separator |
| CN105905777A (en) * | 2016-06-13 | 2016-08-31 | 江阴新日冶金装备有限公司 | High-temperature heat dissipation electromagnetic engineering operation disk and heat dissipation method thereof |
| CN112881854A (en) * | 2021-04-12 | 2021-06-01 | 中国矿业大学 | Electromagnetic field safety testing device for coal mine wireless power transmission system |
| KR102644710B1 (en) * | 2023-08-23 | 2024-03-12 | 파인원 주식회사 | Quick-Cooling Type Magnetic Filter |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85200478U (en) * | 1985-04-01 | 1985-09-10 | 湖南省醴陵县电机厂 | Auto-residue-discharging magnetic slurry separator |
| CN200951409Y (en) * | 2006-09-23 | 2007-09-26 | 抚顺隆基磁电设备有限公司 | Strong magnet and double-pole iron remover used in well for explosion-resistance use |
| CN201002048Y (en) * | 2007-01-29 | 2008-01-09 | 抚顺隆基磁电设备有限公司 | Circulating oil-cooling type electromagnetic rust-cleaning device |
-
2012
- 2012-05-11 CN CN2012101446129A patent/CN102641779A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85200478U (en) * | 1985-04-01 | 1985-09-10 | 湖南省醴陵县电机厂 | Auto-residue-discharging magnetic slurry separator |
| CN200951409Y (en) * | 2006-09-23 | 2007-09-26 | 抚顺隆基磁电设备有限公司 | Strong magnet and double-pole iron remover used in well for explosion-resistance use |
| CN201002048Y (en) * | 2007-01-29 | 2008-01-09 | 抚顺隆基磁电设备有限公司 | Circulating oil-cooling type electromagnetic rust-cleaning device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103894286A (en) * | 2014-04-04 | 2014-07-02 | 辽宁凯宇矿山装备有限公司 | Composite-magnetic-pole electromagnetic iron remover |
| CN105797844A (en) * | 2016-05-16 | 2016-07-27 | 镇江电磁设备厂有限责任公司 | Electromagnetic flame-proof type iron separator |
| CN105905777A (en) * | 2016-06-13 | 2016-08-31 | 江阴新日冶金装备有限公司 | High-temperature heat dissipation electromagnetic engineering operation disk and heat dissipation method thereof |
| CN112881854A (en) * | 2021-04-12 | 2021-06-01 | 中国矿业大学 | Electromagnetic field safety testing device for coal mine wireless power transmission system |
| KR102644710B1 (en) * | 2023-08-23 | 2024-03-12 | 파인원 주식회사 | Quick-Cooling Type Magnetic Filter |
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Application publication date: 20120822 |