CN100571881C - Evaporating and cooling electromagnetic iron remover - Google Patents
Evaporating and cooling electromagnetic iron remover Download PDFInfo
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- CN100571881C CN100571881C CNB2005100115932A CN200510011593A CN100571881C CN 100571881 C CN100571881 C CN 100571881C CN B2005100115932 A CNB2005100115932 A CN B2005100115932A CN 200510011593 A CN200510011593 A CN 200510011593A CN 100571881 C CN100571881 C CN 100571881C
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- cooled condenser
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Abstract
A kind of evaporating and cooling electromagnetic iron remover comprises iron core [10], coil [20], container [30], lead-in wire [40], condenser [50], places cooling medium [60] in the container [30], and it is characterized in that: condenser [50] is equipped with in container [30] top or side; Directly link to each other between condenser [50] space and container [30] space, the part that links to each other is wall [512] altogether, a plurality of intercommunicating pores [505] of offering on the wall [512] altogether, and intercommunicating pore can be circular hole or polygonal hole.The present invention has cancelled discharge and liquid back pipe, structure is more simple, condenser [50] space is connected by intercommunicating pore [505] with container [30] space, make the steam condensation by contact tube bank [511] more fully of evaporative cooling medium [60], increased circular flow greatly, improve cooling effect, can further improve the current density of lead, reduced the weight of lead and the volume of device body.Simultaneously, the present invention is provided with electromagnetic shielding [504] all around at electromagnetic relief pressure valve [502], makes the automatic monitored control system of condenser [50] can be more safe and reliable.
Description
Technical field
The present invention relates to a kind of electric magnetic iron remover, particularly evaporating and cooling electromagnetic iron remover.
Background technology
According to type of cooling difference, electric magnetic iron remover can be divided into several classifications such as oil immersed type electric magnetic iron remover, dry type electric magnetic iron remover and air-cooled electric magnetic iron remover usually.The cooling medium of oil immersed type electric magnetic iron remover is transformer oil (or oil resistant), its advantage is the electrical strength height, but when running into naked light after temperature surpasses burning-point, has the danger of burning, therefore, the oil immersed type electric magnetic iron remover should not use at the high special occasions of fire protection requirement.The dry type electric magnetic iron remover costs an arm and a leg, and cost is than common oil immersed type electric magnetic iron remover height, and winding current density is low, and effectively material use is quite insufficient, bulky.Air-cooled electric magnetic iron remover volume is big and have particles such as dust, coal dust at the use scene and adhere on it, i.e. inconvenience is cleaned, influence heat radiation again.In addition, along with the continuous increase of electric magnetic iron remover capacity, the cooling capacity of this three classes electric magnetic iron remover more and more can not be satisfied the demand, and is badly in need of a kind of novel safe and reliable and better electric magnetic iron remover of cooling effect of exploitation.
Application number is that 200410036257.9 patent of invention and application number are that the transpiration-cooled electric magnetic iron remover that 200420097652.3 utility model patent proposes adopts the immersion type vapor cooling system, compare with the existing electric magnetic iron remover type of cooling, the transpiration-cooled good heat dissipation effect of immersion type, required cooling medium consumption are little, having a narrow range of temperature between cooling medium and the heater, effectively prevented the aging of electric magnetic iron remover insulating materials, guaranteed the electric strength of insulating materials, and itself has fire-fighting evaporative cooling medium, so its security is also very high.But container and condenser are splits in its evaporating, cooling and circulating system, are provided with discharge and liquid back pipe between the two, complex structure; Evaporative cooling medium must enter air chamber by discharge, this has increased the flow resistance of steam, influenced cooling effect to a certain extent, especially for part immersion type evaporating and cooling electromagnetic iron remover, because its evaporating space is big, steam pressure is little, and designing not at that time, discharge can influence flowing of steam, reduce circular flow, influenced cooling effect; Exist very strong leakage field to lower the reliability of the electromagnetic relief pressure valve work of installing on the condenser around the electric magnetic iron remover; In addition, for the electric magnetic iron remover that adopts air-cooled condenser, the condensation tube bank is welded on air chamber and the liquid chamber wall, is using the scene if there are particles such as dust, coal dust to adhere on it, and very inconvenience is cleaned.
Summary of the invention
The objective of the invention is to overcome the shortcoming of prior art, at electric magnetic iron remover a kind of wall condensing evaporating and cooling electromagnetic iron remover is altogether proposed, it is container and the condenser immersion type evaporating and cooling electromagnetic iron remover of wall altogether, its key feature is that container and condenser directly are connected as a single entity, only be separated by between the two with a wall, be referred to as common wall or connect wall construction, wall can be located at container top or side altogether, offering several intercommunicating pores on the wall altogether, vessel space directly is connected with condenser space, directly enter in the condenser by intercommunicating pore after the evaporative cooling medium evaporative cooling in the vessel space during work, in condenser, be condensed into liquid evaporative cooling medium and flow back to container by intercommunicating pore along the condenser wall, wall condensing evaporating and cooling electromagnetic iron remover has been cancelled discharge and liquid back pipe on the one hand altogether, and structure is more simple; The steam of evaporative cooling medium condensation by contact space has more fully increased circular flow greatly when making work on the other hand, has improved cooling effect, even at the evaporating and cooling electromagnetic iron remover for the part immersion type, also can guarantee sufficient circular flow; And be provided with electromagnetic shielding around the electromagnetic relief pressure valve, make electromagnetic relief pressure valve in small magnetic field or do not have under the magnetic field condition and work, so the automatic monitored control system of condenser can be worked more safely and reliably; The air-cooled condenser of wall condensing has substituted the condensation tube bank with floor altogether, the convenient cleaning.
The present invention is made up of device body, container and condenser.The device body is made up of iron core, coil and lead-in wire.
Electric connection Pressure gauge and electromagnetic relief pressure valve are equipped with in the condenser overhead of evaporating and cooling electromagnetic iron remover of the present invention or side, be provided with electromagnetic shielding around the electromagnetic relief pressure valve, electromagnetic shielding material adopts high magnetic conduction steel plate, electromagnetic shielding can be cylindrical, square or polygon.
Evaporating and cooling electromagnetic iron remover of the present invention is divided into electric magnetic iron remover that adopts air-cooled condenser and the electric magnetic iron remover that adopts water-cooled condenser according to the condenser kind difference that adopts.
Evaporating and cooling electromagnetic iron remover of the present invention is divided into electric magnetic iron remover, the electric magnetic iron remover of part evaporative cooling medium immersion and evaporative cooling medium mixes immersion with transformer oil the electric magnetic iron remover that the pervaporation cooling medium soaks according to the difference of the evaporative cooling medium that adopts.
The air-cooled condenser that the present invention adopts has tubular, square and polygon housing, and its evaporating, cooling and circulating system is by being made up of floor and blower fan, is divided into top air-cooled condenser and side air-cooled condenser according to the position difference of condenser.
The air-cooled condenser of top air-cooled condenser is positioned at the top of container, and the air-cooled condenser bottom is communicated with a plurality of intercommunicating pores that the top of electric magnetic iron remover container is offered by the common wall of container top.
The air-cooled condenser of side air-cooled condenser is positioned at the side of container, and the air-cooled condenser side is communicated with a plurality of intercommunicating pores that the side of electric magnetic iron remover container is offered by the common wall of container side.
Intercommunicating pore can be circular or other polygons, and its position of opening is uniformly distributed in common wall, and perforated area S and quantity N should meet the following conditions:
The circulation area that N * S 〉=evaporative cooling system requires
The air-cooled condenser that the present invention adopts adopts blower fan position difference according to condenser, is divided into direct-firing air-cooled condenser and side blown type air-cooled condenser.
The blower fan of direct-firing air-cooled condenser is installed in the front of air-cooled condenser floor, and wind direction is vertical with floor, and floor is cooled off.
The blower fan of side blown type air-cooled condenser is installed in the side of air-cooled condenser floor, and wind direction and rib are equalized row, and floor is cooled off.
Water-cooled condenser of the present invention is tubular, square and polygon housing, and its evaporating, cooling and circulating system is made up of the sealing metal tube bank, and the bottom is communicated with a plurality of intercommunicating pores that the electric magnetic iron remover container top is offered by the common wall of container top.
Evaporative cooling medium of the present invention is the evaporative cooling medium that environmental requirement is stablized, satisfied in high insulation, low boiling, physical and chemical performance, as Fla, 4310,3000 etc.
The electric magnetic iron remover that pervaporation cooling medium of the present invention soaks is meant that the electric magnetic iron remover coil is fully immersed in the evaporative cooling medium.
The electric magnetic iron remover that part evaporative cooling medium of the present invention soaks is meant that an electric magnetic iron remover coil part is immersed in the evaporative cooling medium.
Evaporative cooling medium of the present invention mixes the electric magnetic iron remover that soaks and is meant that the electric magnetic iron remover coil is fully immersed in the liquid of evaporative cooling medium and transformer oil mixing with transformer oil.
The present invention when operate as normal, the electric magnetic iron remover coil heating, by conduction of heat, the evaporative cooling medium evaporation of placing in the electric magnetic iron remover container undergoes phase transition and absorbs the heat that the electric magnetic iron remover coil sends, cooling coil.When electric magnetic iron remover breaks down,, can guarantee that electric magnetic iron remover can not have the fireproof function in breaking out of fire under the failure condition because evaporative cooling medium has complete incombustibility.Therefore, evaporating and cooling electromagnetic iron remover involved in the present invention will help to improve security, reliability and the cooling capacity of China's electric magnetic iron remover, be with a wide range of applications.
Description of drawings
Fig. 1 is the electric magnetic iron remover structure chart that the present invention adopts water-cooled condenser and top air-cooled condenser.Among the figure: 10 iron cores, 20 coils, 30 containers, 40 lead-in wires, 50 condensers, 60 cooling mediums;
Fig. 2 is the water-cooled condenser longitudinal sectional view that Fig. 1 adopts; Among the figure: 501 electric connection Pressure gauges, 502 vacuum solenoid valves, 504 electromagnetic shieldings, 505 intercommunicating pores, 511 condensations tube bank, 507 water inlet pipes, 508 outlet pipes, 509 water inlet boxes, 510 pass partitions, 512 are wall altogether;
The top air-cooled condenser longitudinal sectional view that Fig. 3 adopts for Fig. 1.Among the figure: 501 electric connection Pressure gauges, 502 vacuum solenoid valves, 503 floors, 504 electromagnetic shieldings, 505 intercommunicating pores, 512 are wall altogether;
Fig. 4 is the electric magnetic iron remover structure chart that the present invention adopts the side air-cooled condenser.Among the figure: 10 iron cores, 20 coils, 30 containers, 40 lead-in wires, 50 condensers, 60 cooling mediums;
Fig. 5 is the longitudinal sectional view of the side air-cooled condenser of Fig. 4 employing.Among the figure: 501 electric connection Pressure gauges, 502 vacuum solenoid valves, 503 floors, 504 electromagnetic shieldings, 505 intercommunicating pores, 512 are wall altogether;
Fig. 6 is the direct-firing air-cooled condenser structure chart of the present invention; Among the figure: 501 electric connection Pressure gauges, 503 floors, 504 electromagnetic shieldings, 506 blower fans;
Fig. 7 is a side blown type air-cooled condenser structure chart of the present invention; Among the figure: 501 electric connection Pressure gauges, 503 floors, 504 electromagnetic shieldings, 506 blower fans;
The specific embodiment
The invention will be further described below in conjunction with the drawings and specific embodiments.
The present invention is made up of device body, container 30 and condenser 50, and the device body is by unshakable in one's determination 10, coil 20 and go between and 40 form.One of specific embodiment as shown in Figure 1 and Figure 2, evaporating and cooling electromagnetic iron remover adopts water cooled condenser, electric connection Pressure gauge 501 and vacuum solenoid valve 502 are installed in condenser 50 tops, and electromagnetic shielding 504 is set around the vacuum solenoid valve 502.Water inlet pipe 507 links to each other with water inlet box 509 with outlet pipe 508, welding pass partition 510 on the water inlet box 509, and condenser bundles 511 is equipped with in the inside of condenser 50.Restrain the secondary cooling water that circulates in 511, pass partition 510 can not have, and can be 1,2 or polylith yet, directly link to each other between condenser 50 bottoms and container 30 tops, the part that links to each other is offered a plurality of intercommunicating pores 505 on the wall 512 altogether for being total to wall 512, and intercommunicating pore can be circular hole or polygonal hole.
Because intercommunicating pore 505 makes container directly link to each other with condenser space, so cancelled discharge and liquid back pipe, structure is simpler.And owing to directly enter condensation space after the evaporative cooling medium evaporation from intercommunicating pore 505, the medium circulation is short along journey, flow resistance is little, overcome traditional evaporating and cooling electromagnetic iron remover medium long flow path, design can not cause the not smooth shortcoming that circulates at that time, be more conducive to the heat radiation of electric magnetic iron remover, improved the performance of electric magnetic iron remover.
Place cooling medium 60 in the container 30, cooling medium 60 can be single Fla, 4310, evaporative cooling mediums such as 3000, also can be the mixture of evaporative cooling medium and transformer oil, coil 20 can be fully immersed in the single evaporative cooling medium, also can partly be immersed in the single evaporative cooling medium, also can be fully immersed in the mixture of evaporative cooling medium and transformer oil.
The electric magnetic iron remover good cooling results that the pervaporation cooling medium soaks, but the evaporative cooling medium consumption is big.
The electric magnetic iron remover good cooling results that the part evaporative cooling medium soaks, and the evaporative cooling medium consumption is less, good economy performance.
Evaporative cooling medium mixes the electric magnetic iron remover good cooling results of soaking with transformer oil, the evaporative cooling medium consumption is less, good economy performance, and because the dielectric strength height of transformer oil, so coil insulation intensity is higher.
Two structures of the specific embodiment of the present invention as shown in figures 1 and 3, evaporating and cooling electromagnetic iron remover adopts the top air-cooled condenser, structure is identical with conventional electric magnetic iron remover.Coil 20 is immersed in the cooling medium, and lead-in wire 40 is drawn from container 30 tops or sidepiece, container 30 and the sealing of lead-in wire 40 junctions.Directly link to each other between condenser 50 bottoms and container 30 tops, the part that links to each other is wall 512, a plurality of intercommunicating pores 505 of offering on the wall 512 altogether altogether.
Electric connection Pressure gauge 501 and vacuum solenoid valve 502 are installed in condenser 50 sides.Electromagnetic shielding 504 is set around the vacuum solenoid valve 502.Condenser 50 bottoms are provided with floor 503, are communicated with a plurality of intercommunicating pores 505 of being offered by the common wall 512 at container 30 tops between container 30 tops, and intercommunicating pore can be circular hole, square hole or polygonal hole.Blower fan 506 places the top of air cooled condenser 50, and floor 503 is forced cooling, and condenser 50 walls are provided with air vent.Floor also can adopt pin rib, ring rib, sawtooth ribs, porous rib or ripple rib etc. except that with the straight rib, and the floor material can be selected metal or nonmetallic materials such as red copper, ambrose alloy or iron plate according to amount of capacity.
Three structures of the specific embodiment of the present invention as shown in Figure 4 and Figure 5, evaporating and cooling electromagnetic iron remover adopts the side air-cooled condenser, structure is identical with conventional electric magnetic iron remover.Coil 20 is immersed in the cooling medium, and lead-in wire 40 is drawn from container 30 tops or sidepiece, container 30 and the sealing of lead-in wire 40 junctions.Directly link to each other between condenser 50 sides and container 30 sides, the part that links to each other is wall 512, a plurality of intercommunicating pores 505 of offering on the wall 512 altogether altogether.
Place cooling medium 60 in the container 30, cooling medium can be single Fla, 4310, evaporative cooling mediums such as 3000, also can be the mixture of evaporative cooling medium and transformer oil, the electric magnetic iron remover coil can be fully immersed in the single evaporative cooling medium, also can partly be immersed in the single evaporative cooling medium, also can be fully immersed in the mixture of evaporative cooling medium and transformer oil.
Electric connection Pressure gauge 501 and vacuum solenoid valve 502 are installed in its condenser 50 sides.Electromagnetic shielding 504 is set around the vacuum solenoid valve 502.The another side of condenser 50 is provided with floor 503, is communicated with a plurality of intercommunicating pores 505 of being offered by the common wall 512 of container 30 sides between container 30 sides, and intercommunicating pore can be circular hole, square hole or polygonal hole.506 pairs of floors 503 of blower fan are forced cooling, and condenser 50 walls are provided with air vent.Floor also can adopt pin rib, ring rib, sawtooth ribs, porous rib or ripple rib etc. except that with the straight rib, and the floor material can be selected metal or nonmetallic materials such as red copper, ambrose alloy or iron plate according to amount of capacity.
Air-cooled condenser structure of the present invention as shown in Figure 6 and Figure 7, form by electric connection Pressure gauge 501, floor 503, electromagnetic shielding 504 and blower fan 506, enter air-cooled condenser 50 spaces through intercommunicating pore after the evaporative cooling medium evaporation, run into floor 503 backs and cooled off by blower fan 506.Electric connection Pressure gauge 501 can reflect the pressure in the air-cooled condenser 50, but electromagnetic shielding 504 can guarantee to install within it magnetic valve operate as normal still under strong magnetic field circumstance.
The present invention adopts the operation principle of water cooled condenser and process as follows: as shown in Figure 1 and Figure 2, when the electric magnetic iron remover operate as normal, the coil 20 of electric magnetic iron remover produces heat because of energy loss, evaporative cooling medium 60 temperature in the container 30 are raise, when temperature reached the pairing saturation temperature of internal pressure, evaporative cooling medium 60 began to vaporize and forms the mixture of gas phase and liquid phase.The two-phase fluid that gas phase, liquid phase are mixed is because the little continuous rising of density, directly contact by a plurality of intercommunicating pores 505 backs that are total on the wall 512 with condensation tube bank 511, restrain the secondary cooling water that flows in 511 with the condensation of condenser 50 inner sealings and carry out heat exchange, after the two-phase fluid that gas phase and liquid phase are mixed is passed to secondary cooling water with heat, the gas of evaporative cooling medium 60 is condensed into liquid, again flow back in the container 30 by the gravity effect, form the circular flow process.Evaporative cooling medium 60 in the container 30 relies on self gravitation to carry out self-loopa, so do not need pump class device.The electric connection Pressure gauge 501 reflection condensers 50 cooling space pressure of installing on the condenser 50 can send the pressure that signal controlling vacuum solenoid valve 502 reduces condenser 50 cooling spaces when pressure surpasses setting, guarantee system safety operation.Wherein, secondary cooling water enters in the water box 509 by water inlet pipe 507, flows out by outlet pipe 508, and the effect of pass partition 510 is to increase tube side so that increase the flow velocity of water, strengthens the cooling capacity of condenser 50.
The present invention adopts the operation principle of air cooled condenser and process as follows: as Fig. 1, Fig. 3, Fig. 4, Fig. 5, Fig. 6, shown in Figure 7, when the electric magnetic iron remover operate as normal, the coil 20 of container 30 produces heat because of energy loss, evaporative cooling medium 60 temperature in the container 30 are raise, when temperature reached the pairing saturation temperature of internal pressure, evaporative cooling medium 60 began to vaporize and forms the mixture of gas phase and liquid phase.The two-phase fluid that gas phase, liquid phase are mixed is because density is little, constantly rise, contact by a plurality of intercommunicating pores 505 backs floor direct and in the air-cooled condenser, floor cools off under the effect of blower fan, the heat of the two-phase fluid that gas phase and liquid phase are mixed is taken away by wind, the gas of evaporative cooling medium 60 is condensed into liquid and flows back in the container 30 by gravity, forms the circular flow process.Evaporative cooling medium 60 in the entire container 30 relies on self gravitation to carry out self-loopa, so do not need pump class device.The electric connection Pressure gauge 501 reflection condensers 50 cooling space pressure of installing on the condenser 50 can send the pressure that signal controlling vacuum solenoid valve 502 reduces condenser 50 cooling spaces when pressure surpasses setting, guarantee system safety operation.
Evaporative cooling system of the present invention has been cancelled discharge and liquid back pipe, and structure is more simple; Condenser 50 spaces are connected by intercommunicating pore 505 with container 30 spaces, make the steam condensation by contact tube bank more fully 511 of evaporative cooling medium 60, increased circular flow greatly, improved cooling effect, can further improve the current density of lead, reduce the weight of lead and the volume of device body,, also can guarantee sufficient circular flow even at evaporating and cooling electromagnetic iron remover for the part immersion type; Around vacuum solenoid valve 502, be provided with electromagnetic shielding 504, the automatic monitored control system of condenser 50 can be worked more safely and reliably; The air-cooled condenser of wall condensing has substituted the condensation tube bank with floor altogether, the convenient cleaning, thereby have high efficiency and high reliability.
Claims (8)
1, a kind of evaporating and cooling electromagnetic iron remover comprises iron core [10], coil [20], container [30], lead-in wire [40], condenser [50], places cooling medium [60] in the container [30], and it is characterized in that: condenser [50] is equipped with in container [30] top or side; Electric connection Pressure gauge [501] and electromagnetic relief pressure valve [502] are equipped with in condenser [50] top or side, are provided with electromagnetic shielding [504] around the electromagnetic relief pressure valve; Directly link to each other between condenser [50] space and container [30] space, the part that links to each other is for being total to wall [512], offer a plurality of intercommunicating pores [505] on the wall [512] altogether, intercommunicating pore [505] is circular hole or polygonal hole, its position of opening evenly distributes, and perforated area S and quantity N should meet the following conditions: the circulation area that N * S 〉=evaporative cooling system requires.
2, evaporating and cooling electromagnetic iron remover according to claim 1 is characterized in that: the making material of electromagnetic shielding [504] is high magnetic conduction steel plate, and electromagnetic shielding [504] can be cylindrical or polygon.
3, evaporating and cooling electromagnetic iron remover according to claim 1 and 2 is characterized in that: condenser [50] is total to wall condensing condenser or air-cooled wall condensing condenser altogether for water-cooled.
4, evaporating and cooling electromagnetic iron remover according to claim 3, it is characterized in that: air-cooled wall condensing condenser altogether has tubular or polygon housing, its evaporating, cooling and circulating system is made up of floor and blower fan, position difference according to condenser is divided into top air-cooled condenser and side air-cooled condenser, the air-cooled condenser of top air-cooled condenser is positioned at the top of container [30], links to each other by a plurality of intercommunicating pores [505] of offering on the common wall [512] between the top of air-cooled condenser bottom and container [30].
5, evaporating and cooling electromagnetic iron remover according to claim 3, it is characterized in that: air cooled condenser adopts blower fan position difference to be divided into direct-firing air-cooled condenser and side blown type air-cooled condenser according to condenser, the air-cooled condenser of side blown type air-cooled condenser is positioned at the side of container [30], and links to each other by a plurality of intercommunicating pores [505] of offering on the wall [512] altogether between the side of air-cooled condenser side and container [30].
6, evaporating and cooling electromagnetic iron remover according to claim 5 is characterized in that: the blower fan of direct-firing air-cooled condenser is installed in the front of air-cooled condenser floor; The blower fan of side blown type air-cooled condenser is installed in the side of air-cooled condenser floor.
7, evaporating and cooling electromagnetic iron remover according to claim 3 is characterized in that: the air-cooled condenser floor can adopt straight rib, pin rib, ring rib, sawtooth ribs, porous rib or ripple rib; The floor material is red copper, ambrose alloy or iron plate or nonmetallic materials.
8, according to any one described evaporating and cooling electromagnetic iron remover of claim 4 to 5, it is characterized in that: the air-cooled condenser floor can adopt straight rib, pin rib, ring rib, sawtooth ribs, porous rib or ripple rib; The floor material is red copper, ambrose alloy or iron plate or nonmetallic materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100115932A CN100571881C (en) | 2005-04-20 | 2005-04-20 | Evaporating and cooling electromagnetic iron remover |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100115932A CN100571881C (en) | 2005-04-20 | 2005-04-20 | Evaporating and cooling electromagnetic iron remover |
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| CN1853789A CN1853789A (en) | 2006-11-01 |
| CN100571881C true CN100571881C (en) | 2009-12-23 |
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| CN109794350B (en) * | 2019-01-15 | 2020-09-11 | 潍坊国铭矿山设备有限公司 | Electromagnetic slurry iron remover with liquid hydrogen evaporative cooling continuous working |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87101947A (en) * | 1986-03-12 | 1987-10-14 | 特克卡特有限公司 | The improvement of sensing apparatus |
| SU1667927A1 (en) * | 1989-04-25 | 1991-08-07 | Харьковский политехнический институт им.В.И.Ленина | Overhead electromagnetic iron separator |
| SU1667928A1 (en) * | 1989-06-08 | 1991-08-07 | Государственный проектно-конструкторский институт "Гипромашуглеобогащение" | Electromagnetic iron separator |
| CN1463068A (en) * | 2002-05-30 | 2003-12-24 | 中国科学院电工研究所 | Device for recycling exhaust air and cooling fluid of condensator for evaporative cooling electric motor |
| CN2673048Y (en) * | 2003-12-22 | 2005-01-19 | 中国科学院电工研究所 | Evaporation cooler of high power electric and electronic device |
-
2005
- 2005-04-20 CN CNB2005100115932A patent/CN100571881C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87101947A (en) * | 1986-03-12 | 1987-10-14 | 特克卡特有限公司 | The improvement of sensing apparatus |
| SU1667927A1 (en) * | 1989-04-25 | 1991-08-07 | Харьковский политехнический институт им.В.И.Ленина | Overhead electromagnetic iron separator |
| SU1667928A1 (en) * | 1989-06-08 | 1991-08-07 | Государственный проектно-конструкторский институт "Гипромашуглеобогащение" | Electromagnetic iron separator |
| CN1463068A (en) * | 2002-05-30 | 2003-12-24 | 中国科学院电工研究所 | Device for recycling exhaust air and cooling fluid of condensator for evaporative cooling electric motor |
| CN2673048Y (en) * | 2003-12-22 | 2005-01-19 | 中国科学院电工研究所 | Evaporation cooler of high power electric and electronic device |
Non-Patent Citations (1)
| Title |
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| 蒸发冷却降温技术在变压器中的应用. 李鹏，王丽，齐承英，俞颐秦，马海云.变压器，第39卷第10期. 2002 * |
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Granted publication date: 20091223 Termination date: 20140420 |