WO2017077731A1 - 溶湯搬送ポンプ及び溶湯搬送システム - Google Patents
溶湯搬送ポンプ及び溶湯搬送システム Download PDFInfo
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- WO2017077731A1 WO2017077731A1 PCT/JP2016/067257 JP2016067257W WO2017077731A1 WO 2017077731 A1 WO2017077731 A1 WO 2017077731A1 JP 2016067257 W JP2016067257 W JP 2016067257W WO 2017077731 A1 WO2017077731 A1 WO 2017077731A1
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- molten metal
- spiral
- cylindrical body
- permanent magnet
- opening
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/14—Charging or discharging liquid or molten material
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K44/00—Machines in which the dynamo-electric interaction between a plasma or flow of conductive liquid or of fluid-borne conductive or magnetic particles and a coil system or magnetic field converts energy of mass flow into electrical energy or vice versa
- H02K44/02—Electrodynamic pumps
- H02K44/06—Induction pumps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D35/00—Equipment for conveying molten metal into beds or moulds
Definitions
- the present invention relates to a transport pump for transporting a molten metal of conductive metal and a melt transport system using the melt transport pump.
- the mechanical pump is the most popular model, but the blades are severely damaged and must be replaced as appropriate.
- the exchange takes a lot of time.
- the operation must be stopped for a long time during the exchange, and the loss due to the operation stop is very large.
- the rotary blade itself is expensive, and not only the initial cost but also the running cost associated with the replacement becomes very high.
- the electromagnetic pump must have a complicated coil cooling system, and a coil having an appropriate volume is necessary to obtain a necessary magnetic force.
- problems such as high power consumption and high running cost, and extremely complicated and complicated operation management such as measures to prevent molten metal clogging.
- the pump of the present invention is A molten metal transport pump that sucks and discharges molten conductive metal, A cylindrical body composed of a cylindrical side wall and having a lower opening as a suction port at the lower end and an upper opening at the upper end, A spiral body housed in a fixed state in the cylindrical body; A magnetic field device provided on the outer periphery of the cylindrical body, The cylindrical body has a side wall opening as a discharge opening that is opened in the side wall, The spiral body has a spiral plate, and is partitioned into a spiral flow path that spirally runs inside the cylindrical body by an outer peripheral edge of the spiral plate and an inner surface of the cylindrical body.
- the spiral flow path communicates the lower opening and the side wall opening
- the magnetic field device has a permanent magnet body, and the permanent magnet body is magnetized on one of the N and S poles on the inner peripheral side and magnetized on the other pole on the outer peripheral side, and the magnetization of the permanent magnet body
- the strength of is set to the strength at which the magnetic field reaches the inside of the cylindrical body, As a result, a magnetic field having a lateral magnetic field line extending from the outer periphery toward the center of the cylindrical body is formed, or a magnetic field having a magnetic field line radially extending from the center of the cylindrical body toward the outer periphery is formed, and the molten metal in the cylindrical body is formed.
- the molten metal conveyance system includes the molten metal conveyance pump, a first holding furnace that holds the molten metal, and a second holding furnace that holds the molten metal, and the first holding furnace. Is connected to the suction port of the molten metal transfer pump, and the second holding furnace is connected to the discharge port of the molten metal transfer pump.
- FIG. 2 is a longitudinal explanatory view showing a molten metal transport pump in FIG. 1.
- Separation state explanatory drawing which shows the separation state of the structural member of the molten metal conveyance pump of FIG.
- movement of FIG. The whole block diagram which shows the whole molten metal conveyance system of different embodiment. Longitudinal explanatory drawing which shows the molten metal conveyance pump of FIG.
- the embodiment of the present invention is embodied as a pump device 3 for transporting a molten metal of conductive metal and a melt transport system 100 using the pump device 3.
- the molten metal of the conductive metal is a non-ferrous metal (for example, Al, Cu, Zn or Si, or at least two alloys thereof, or an Mg alloy), or a metal other than a non-ferrous metal such as iron. It is a molten metal.
- the pump device 3 is used, for example, to lift the molten metal M from the lower holding furnace 1 located below to the upper holding furnace 2 located above.
- the pump device 3 conveys and drives the molten metal of conductive metal by electromagnetic force due to Lorentz force due to the magnetic field from the permanent magnet and the current flowing through the molten metal of conductive metal. Is. Because it operates on this principle (the Lorentz force due to the magnetic field of the permanent magnet and the current flowing therethrough), operation management is extremely easy compared to conventional devices, and its current consumption is also lower than that of conventional electromagnetic pumps. It can be much less, the running cost can be kept low, and since it uses a permanent magnet, self-heating is suppressed, and there is no mechanically moving part, so the structure is simple. It can be solid enough to withstand long-term use.
- the component member when the component member is worn out by the high-temperature molten metal M, not only the worn member can be replaced, but also the replacement can be easily performed. As a result, maintenance associated with so-called use has become extremely easy.
- holding furnaces 1 and 2 are connected to the upper and lower ends of the pump device 3, respectively. That is, the lower end inlet end (suction port) IN of the pump device 3 is connected to the holding furnace 1 through the inlet side connection rod 5, and the upper end outlet end (discharge port) OUT is connected to the outlet side connection rod 5. 6 is connected to the holding furnace 2 in communication.
- the inlet end IN and the outlet end OUT will be described in detail later, but internally, they are connected by a single spiral flow path P formed inside the pipe body (casing) 8.
- the flow path P is a flow path defined by the inner surface of the pipe body 8 and the spiral fins 9 b of the spiral body 9 housed in the pipe body 8.
- the first electrode 32 ⁇ / b> A is held in the molten metal M ⁇ b> 1 in the holding furnace 1 by the second electrode 32 in order to cause a current to flow vertically through the molten metal M in the flow path P. It is provided in a state immersed in M2 in the furnace 2.
- These electrodes 32A and 32 are connected to the positive and negative terminals 33a and 33b of the power supply device 33, respectively.
- the positions of the first electrode 32A and the second electrode 32 are not particularly limited as long as they are electrically connected to the molten metal M1 and the molten metal M2, respectively.
- the power supply device 33 may function as at least a DC power supply device, but in the embodiment of the present invention, a multi-function power supply device that functions as a DC power supply device and an AC current device is used. That is, it functions as at least a DC power supply device, and the polarity of the positive and negative output terminals can be switched. Furthermore, it can also function as an alternating current device with a low period (eg, about 0-10 Hz, preferably about 0-5 Hz). The output voltage and the output current are also adjustable. In terms of cost, a single-function DC power supply device can also be used.
- FIG. 1 shows a case where the power supply device 33 functions as a DC power supply device, with the terminal 33a being a positive terminal and the terminal 33b being a negative terminal.
- the positive terminal 33 a is connected to the first electrode 32 A
- the negative terminal 33 b is connected to the second electrode 32.
- the current i from the power supply device 33 exits the terminal 33a, returns to the terminal 33b through the molten metal M1 in the holding furnace 1, the molten metal in the pump device 3, and the molten metal M2 in the holding furnace 2.
- the current i flows vertically from the lower side to the upper side in the molten metal in the pipe body 8 (flow path P) shown in FIG.
- the terminal 33a can be switched to negative and the terminal 33b can be switched to positive.
- the current i flows from the top to the bottom in the molten metal in the pipe body 8 (flow path P) shown in FIG.
- the power supply device 33 when the power supply device 33 is caused to function as a low-cycle AC power supply, the current i flows so as to alternately vibrate up and down in the molten metal in the pipe body 8 (flow path P) shown in FIG. It will be.
- FIG. 2 is a partially broken longitudinal sectional view showing the pump device 3 with a part thereof broken, and FIG. 3 shows a separated state of the constituent members.
- the pump device 3 includes an L-shaped hollow pipe body (casing) 8, a spiral body 9, a spiral body lower end support plate 10, a lid (helical body upper end support plate) 11, and a magnetic field device 12.
- Each of these members is made of a refractory material.
- the chemical components of the refractory material are well known and will not be described in detail, but general-purpose materials such as silica (SiO 2), zirconia (ZrO 2), and silicon carbide can be employed.
- the pipe body 8 includes a main vertical inlet flange (cylindrical body) 8a for applying an electromagnetic force F to the molten metal M, and an outlet flange 8b bent to the right in the figure.
- the inlet flange 8a and the outlet flange 8b are integrally formed of the same material to have high strength.
- the inlet flange (cylindrical body) 8a is formed of a cylindrical side wall, the lower end is a so-called lower opening UDO (IN), the upper end is a so-called upper opening UPO, and has a side wall opening SIO on the side wall.
- the spiral body 9 can be attached and detached very easily by simply removing the lid 11 of the cylindrical body 8a, and the inside can be easily cleaned and replaced with a new spiral body 9. Furthermore, as described above, the inlet end (lower opening) IN at the lower end of the inlet flange 8a and the connection flange 5 on the inlet side are connected to each other via the spiral support plate 10. An outlet end (discharge port) OUT on the outlet side of the outlet flange 8b is connected in communication with the connection rod 6 on the outlet side.
- the spiral body 9 is housed in a fixed state so as not to turn and to be detachable. That is, when stored, the spiral body 9 is sandwiched between the lid 11 and the spiral body lower end support plate 10 so that the spiral body 9 does not turn and does not move in the vertical direction, as can be seen from FIG. , Supported in a fixed state. That is, the spiral body 9 is housed in the pipe body 8 in a fixed state both in the vertical direction and in the turning direction.
- FIG. 8 shows a plan view of the lower end support plate 10 of the spiral body.
- the lower end support plate 10 of the spiral body is formed by forming a plurality of communication openings 10a in the disc, thereby forming an annular peripheral portion 10b and two opposing portions of the inner edge of the peripheral portion 10b. And a support portion 10c that connects the two.
- a plurality of the support portions 10b can be provided.
- the inlet side connecting rod 5 and the inlet end IN of the pipe body 8 are communicated with each other through the communication opening 10 a of the spiral body lower end support plate 10.
- a support hole 10d for supporting a shaft portion 9a (described later) of the spiral body 9 in a fixed state from below is formed in the approximate center of the surface (inner surface) of the support portion 10c.
- the spiral body 9 includes, for example, a cylindrical shaft portion 9a and one spiral fin (spiral plate) 9b as can be seen from FIG.
- the fins 9b are arranged on the outer periphery of the shaft portion 9a so as to turn in a screw thread shape.
- the spiral body 9 can be configured as an integral part from the beginning, or can be configured by retrofitting fins 9b to the shaft portion 9a.
- the spiral body 9 has the fins 9 b formed in a so-called left-hand thread shape, but can also be formed in a right-hand thread form.
- the direction of the current i may be made to flow in the opposite direction (from the top to the bottom).
- one spiral flow path P is defined by the outermost peripheral end surface of the fin 9b and the inner surface of the inlet flange 8a. ing. As can be seen from FIG. 2, the flow path P has a lower end as the inlet side communicating with the inlet end IN and an upper end as the outlet side communicating with the outlet end OUT.
- spiral body 9 a plurality of types having various structures can be prepared. That is, a plurality of types of spiral bodies 9 in which the pitch of the fins 9b is changed are prepared in advance. Which spiral body 9 is used is determined in accordance with the specifications and usage of the apparatus. It is exchanged and used depending on the application each time. If a small pitch is used, the vertical speed of the molten metal M is slow, and if a large pitch is used, the vertical speed of the molten metal is high.
- the magnetic field device 12 is externally attached so as to surround the outer periphery of the pipe body 8.
- the magnetic field device 12 is attached to the pipe body 8 by any means so that it can be adjusted in the vertical direction.
- the magnetic field generator 31 can be moved in the vertical direction to select a more efficient driving position of the molten metal M.
- the magnetic field generator 31 can be arranged at a low temperature position where the permanent magnet is not affected by the temperature. These suitable positions can be estimated, for example, by looking at the driving ability of the molten metal M under the same conditions.
- the magnetic field device 12 is a ring-shaped case 12b in which a ring-shaped permanent magnet device 12a is housed. Air cooling holes (air intake and discharge ports) can be provided at desired positions of the case 12b.
- FIG. 4 which is a cross-sectional explanatory view taken along line IV-IV of the magnetic field device 12 in particular, the permanent magnet device 12a includes a ring-shaped permanent magnet body 12a1, its inner peripheral surface and outer peripheral surface. And ring-shaped yokes 12a21, 12a22 made of a ferromagnetic material. As can be seen from FIG.
- the permanent magnet body 12a1 has a so-called ring shape, and is magnetized such that the inner peripheral side is an N pole and the outer peripheral side is an S pole.
- the magnetization direction may be magnetized such that the inner circumference side is the S pole and the outer circumference side is the N pole, as shown in FIG.
- the direction of the current i may be changed in order to lift the molten metal M in the flow path P.
- the permanent magnet device 12a is configured as an integral ring-shaped device. However, as can be seen from FIGS. 6 and 7, the permanent magnet device 12a is configured as a plurality of permanent magnet pieces 12aa. You can also. Also in this case, the yokes 12a21 and 12a22 function as a ferromagnetic yoke that magnetically connects the plurality of permanent magnet pieces 12aa.
- the pump device 3 and the molten metal transfer system 100 described above are assembled as follows, for example. However, various assembling orders can be adopted according to the situation at the site other than those described below.
- the flange portion 8a1 at the lower end of the inlet flange 8a of the pipe body 8 and the flange portion 5a of the connection flange 5 on the inlet side are connected in communication with the spiral support plate 10 interposed therebetween.
- tip of the exit collar part 8b of the pipe body 8 and the flange part 6a of the connection collar 6 on the exit side are connected in a communicating state.
- the magnetic field generator 31 is attached to the inlet flange 8a in an external order in an arbitrary order. Thereafter, the spiral body 9 is inserted into the inlet flange 8a from above (upper opening UPO), and the lower end thereof is supported by the lower end support plate 10 of the spiral body. Thereafter, the lid 11 is attached to the inlet flange 8a. As can be seen from FIG. 3 in particular, the inner surface of the lid 11 is provided with a support hole 11a for accommodating the top portion of the shaft portion 9a of the spiral body 9 in a fixed state. Accordingly, the spiral body 9 is supported in a fixed state by the lid 11 and the spiral body support plate 10.
- the decomposition can be performed in the reverse order.
- the spiral body 9 can be replaced with a new one of the same kind or a new one of another kind as necessary.
- the rising speed of the molten metal M can be changed to a required one.
- the pump device 3 itself can also be replaced by separation from the connection rod 5 on the inlet side and the connection rod 6 on the outlet side.
- the spiral lower end support plate 10 can be replaced.
- the current i from the power supply device 33 flows in the vertical direction from the bottom to the top in the molten metal in the inlet flange 8a (flow path P), as can be seen from FIG. 2 in particular.
- Magnetic field lines ML from the magnetic field device 12 are directed from the outer circumference toward the center, as can be seen from FIG.
- the current i and the line of magnetic force ML intersect to generate an electromagnetic force F due to Lorentz force.
- This electromagnetic force F is generated as a clockwise rotation in FIG. Therefore, the electromagnetic force F is combined, and the molten metal is rotated clockwise in FIG. 9 by the combined force RF. That is, the molten metal turns right in the flow path P.
- the molten metal rises while turning around the upward gradient of the fins 9 b of the spiral body 9, as shown in FIG. 2.
- the manner in which the molten metal rises while turning is shown in principle in FIG.
- it reaches the outlet flange 8b from the upper end side of the inlet flange 8a, and eventually flows into the furnace body 2 through the connection flange 6 on the outlet side.
- the intensity of the current i the ability to drive the molten metal M, that is, the transport amount per time can be adjusted.
- the power consumption in this case is extremely small compared to the power consumption of the electromagnet of the conventional device.
- the direction of the current flowing from the power supply device 33 may be reversed.
- the direction of turning of the molten metal in the pump device 3 (inlet flange 8 a) is switched to the left and right in a short cycle. Given vibration. By this vibration, impurities inside the molten metal are removed, and the quality of the molten metal is improved. In other words, after the quality of the molten metal is improved, it can be lifted to the upper furnace body 2.
- various usages are possible. For example, the molten metal in the upper furnace body 2 can be led to the pump device 3 to improve the quality, and then returned to the furnace body 2 again.
- the pump device 3A has a different structure. That is, in the embodiment described above, the casing 8 has an L-shaped pipe shape. However, in the embodiments of FIGS. 9 and 10, the casing 18 has a straight pipe shape and is easily manufactured. Accordingly, the upper end portion has the same structure as the lower end portion and is connected to the connection rod 6 on the outlet side. That is, the spiral support plate 10 of FIG. 8 is used in a state of being sandwiched between the outlet side connection rod 6 with the support hole 10d facing downward. Since other configurations are substantially the same, detailed description is omitted. Also in this embodiment, the spiral body 9 and the spiral body support plate 10 can be exchanged.
- 5A in the figure is a connection rod similar to the connection rod 5 on the inlet side.
- the pipe body 8 (inlet flange 8a) is in a vertically standing state, but is not necessarily vertical, and can be installed in an inclined state.
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Abstract
Description
導電性金属の溶湯を吸い込み吐出する、溶湯搬送ポンプであって、
円筒状の側壁で構成され、下端の吸込口としての下側開口と、上端の上側開口と、を備えた、円筒体と、
前記円筒体中に、固定状態に収納される、螺旋体と、
前記円筒体の外周に設けられる磁場装置と、を有し、
前記円筒体は、前記側壁に開口した、吐出開口としての側壁開口を有し、
前記螺旋体は、螺旋状板を有し、前記螺旋状板の外周端縁と前記円筒体の内面とによって、前記円筒体の内部を螺旋状に走る1本の螺旋流路に区画形成しており、前記螺旋流路は前記下側開口と前記側壁開口とを連通しており、
前記磁場装置は、永久磁石体を有し、前記永久磁石体は内周側がN極及びS極の一方の極に磁化され、外周側が他方の極に磁化されており、前記永久磁石体の磁化の強さは、磁場が前記円筒体の内部に達する強さに設定されており、
これにより、外周から前記円筒体の中心に向かう横向きの磁力線を有する磁場が形成され、あるいは、前記円筒体の中心から放射状に外周に向かう磁力線を有する磁場が形成されて、前記円筒体内の溶湯中を縦向きに電流が流れている場合にはこの電流と交叉してローレンツ力による電磁力が発生し、この電磁力により前記溶湯を前記螺旋流路内を旋回させながら前記下側開口から前記側壁開口に向けて旋回駆動する、
ものとして構成される。
さらに、前述のように、前記入口菅部8aの下端の入口端(下側開口)INと入口側の前記接続菅5とは、前記螺旋体支持板10を介して、連通状態に接続される。前記出口菅部8bの出口側の出口端(吐出口)OUTは出口側の前記接続菅6と連通状態に接続されている。
Claims (15)
- 導電性金属の溶湯を吸い込み吐出する、溶湯搬送ポンプであって、
円筒状の側壁で構成され、下端の吸込口としての下側開口と、上端の上側開口と、を備えた、円筒体と、
前記円筒体中に、固定状態に収納される、螺旋体と、
前記円筒体の外周に設けられる磁場装置と、を有し、
前記円筒体は、前記側壁に開口した、吐出開口としての側壁開口を有し、
前記螺旋体は、螺旋状板を有し、前記螺旋状板の外周端縁と前記円筒体の内面とによって、前記円筒体の内部を螺旋状に走る1本の螺旋流路に区画形成しており、前記螺旋流路は前記下側開口と前記側壁開口とを連通しており、
前記磁場装置は、永久磁石体を有し、前記永久磁石体は内周側がN極及びS極の一方の極に磁化され、外周側が他方の極に磁化されており、前記永久磁石体の磁化の強さは、磁場が前記円筒体の内部に達する強さに設定されており、
これにより、外周から前記円筒体の中心に向かう横向きの磁力線を有する磁場が形成され、あるいは、前記円筒体の中心から放射状に外周に向かう磁力線を有する磁場が形成されて、前記円筒体内の溶湯中を縦向きに電流が流れている場合にはこの電流と交叉してローレンツ力による電磁力が発生し、この電磁力により前記溶湯を前記螺旋流路内を旋回させながら前記下側開口から前記側壁開口に向けて旋回駆動する、
ことを特徴とする溶湯搬送ポンプ。 - 前記螺旋体は、前記螺旋状板が取り付けられた軸部を有し、前記軸部が前記下側開口と前記上側開口との間に、固定状態に支持され、且つ、前記螺旋体は前記上側開口から前記筒状体に対し着脱可能に収納されている、ことを特徴とする請求項1に記載の溶湯搬送ポンプ。
- 前記永久磁石体は、1つのリング状の永久磁石によって構成されていることを特徴とする請求項1又は2に記載の溶湯搬送ポンプ。
- 前記永久磁石体は、複数の永久磁石片を有し、それらの永久磁石片を円周状に配置することによって構成されていることを特徴とする請求項1又は2に記載の溶湯搬送ポンプ。
- 前記螺旋体として複数種類の螺旋体を有し、前記各螺旋体は任意のものが前記円筒体中に収納可能であり、前記各螺旋体は、前記螺旋状板のピッチが異なるものとして構成されている、ことを特徴とする請求項1乃至4の1つに記載の溶湯搬送ポンプ。
- 前記螺旋体として少なくとも2つの螺旋体を有し、前記各螺旋体は任意のものが前記円筒体中に収納可能であり、前記2つの螺旋体の一方は、前記螺旋状板が右ねじ状のものとして構成され、他方は左ねじ状のものとして構成されている、ことを特徴とする請求項1乃至4の1つに記載の溶湯搬送ポンプ。
- 前記円筒体の前記下側開口に取り付けられる螺旋体下端支持板を有し、前記螺旋体下端支持板は前記螺旋体の下端を支持するとともに、前記円筒体の内部を外部と連通させる連通開口を有するものとして構成されている、ことを特徴とする請求項1乃至6の1つに記載の溶湯搬送ポンプ。
- 前記円筒体中の溶湯に縦向きに電流を流すための第1の電極及び第2の電極を備えることを特徴とする請求項1乃至7の1つに記載の溶湯搬送ポンプ。
- 前記第1の電極及び第2の電極が接続される電源装置を有することを特徴とする請求項8に記載の溶湯搬送ポンプ。
- 前記電源装置は直流電源装置であることを特徴とする請求項9に記載の溶湯搬送ポンプ。
- 前記電源装置は交流電源装置であることを特徴とする請求項9に記載の溶湯搬送ポンプ。
- 前記円筒体の前記上側開口に取り付けた蓋をさらに有し、前記蓋と前記螺旋体下端支持板とにより前記螺旋体を支持固定したことを特徴とする請求項1乃至11の1つに記載の溶湯搬送ポンプ。
- 前記複数の永久磁石片をヨークによって磁気的に接続したことを特徴とする請求項1乃至12の1つに記載の溶湯搬送ポンプ。
- 請求項1乃至13の1つに記載の溶湯搬送ポンプと、溶湯を保持する第1の保持炉と、溶湯を保持する第2の保持炉と、を有し、前記第1の保持炉を前記溶湯搬送ポンプの前記下側開口に間接的に接続し、前記第2の保持炉を前記溶湯搬送ポンプの前記側壁開口に間接的に接続した、ことを特徴とする溶湯搬送システム。
- 前記第1の電極を前記第1の保持炉に収納する溶湯に導通可能な位置に設け、前記第2の電極を前記第2の保持炉に収納する溶湯に導通可能な位置に設けた、ことを特徴とする請求項14に記載の溶湯搬送システム。
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US15/773,740 US10756611B2 (en) | 2015-11-05 | 2016-06-09 | Molten metal transfer pump and molten metal transfer system |
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JP2015217805A JP6042519B1 (ja) | 2015-11-05 | 2015-11-05 | 溶湯搬送ポンプ及び溶湯搬送システム |
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JP (1) | JP6042519B1 (ja) |
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CN109639095A (zh) * | 2019-01-24 | 2019-04-16 | 中国科学院电工研究所 | 一种螺旋通道直流磁流体泵 |
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CN107398542A (zh) * | 2017-09-15 | 2017-11-28 | 湖北启宏热工设备有限公司 | 一种镁合金定量浇注装置 |
JP7315218B2 (ja) * | 2019-12-24 | 2023-07-26 | 株式会社ヂーマグ | 金属溶湯駆動装置および金属溶湯駆動方法 |
CN112264593B (zh) * | 2020-11-06 | 2021-11-02 | 浙江国阳机电制造有限公司 | 一种智能铝棒铸造机 |
CN114570919B (zh) * | 2022-03-03 | 2022-11-29 | 上海交通大学 | 金属熔体电磁输送装置及方法 |
WO2024092261A1 (en) * | 2022-10-27 | 2024-05-02 | Unm Rainforest Innovations | Miniature dc electromagnetic pumps of heavy and alkali liquid metals at up to 500 °c for nuclear and industrial applications |
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- 2016-06-09 US US15/773,740 patent/US10756611B2/en active Active
- 2016-06-09 WO PCT/JP2016/067257 patent/WO2017077731A1/ja active Application Filing
- 2016-11-04 CN CN201610974018.0A patent/CN107024118A/zh active Pending
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US20180323693A1 (en) | 2018-11-08 |
JP6042519B1 (ja) | 2016-12-14 |
JP2017087236A (ja) | 2017-05-25 |
US10756611B2 (en) | 2020-08-25 |
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