CN202427909U - Built-in type traveling wave magnetic field electromagnetic mixing sensor - Google Patents
Built-in type traveling wave magnetic field electromagnetic mixing sensor Download PDFInfo
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- CN202427909U CN202427909U CN2011205249474U CN201120524947U CN202427909U CN 202427909 U CN202427909 U CN 202427909U CN 2011205249474 U CN2011205249474 U CN 2011205249474U CN 201120524947 U CN201120524947 U CN 201120524947U CN 202427909 U CN202427909 U CN 202427909U
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 43
- 230000006698 induction Effects 0.000 claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 238000009749 continuous casting Methods 0.000 claims abstract description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000000498 cooling water Substances 0.000 claims abstract description 13
- 229910052802 copper Inorganic materials 0.000 claims abstract description 13
- 239000010949 copper Substances 0.000 claims abstract description 13
- 238000004804 winding Methods 0.000 claims description 23
- 238000013019 agitation Methods 0.000 claims description 22
- 238000007789 sealing Methods 0.000 claims description 11
- 238000010276 construction Methods 0.000 claims description 9
- 239000000696 magnetic material Substances 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000013078 crystal Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000005284 excitation Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 238000005204 segregation Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000013066 combination product Substances 0.000 description 1
- 229940127555 combination product Drugs 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000009865 steel metallurgy Methods 0.000 description 1
- 238000007920 subcutaneous administration Methods 0.000 description 1
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Abstract
The utility model relates to a built-in type traveling wave magnetic field electromagnetic mixing sensor, which is arranged outside a copper tube and an inner water jacket of a continuous casting crystallizing area and is composed of a casing and an inductor arranged in a cavity of the casing, wherein the casing is sealed and is composed of an outer tube casing, an inner tube casing, an upper cover plate and a lower cover plate, the cavity is arranged inside the casing, a water-proof seal bolt enabling electric cables to penetrate through is arranged on the upper cover plate, a water inlet hole and a water outlet hole which are communicated with a crystallizer are arranged on the lower cover plate, the water inlet hole and the water outlet hole are communicated through an annular channel arranged at the upper portion of the lower cover plate, a water distribution mesh plate and a water outlet pipe are arranged in the annular channel, the water distribution mesh plate is arranged in a cavity between the outer tube casing and the inner tube casing, and the water outlet pipe brings out cooling water. The inductor comprises an iron core arranged at the center of an inner tube and an induction coil wound on the iron core. The built-in type traveling wave magnetic field electromagnetic mixing sensor is simple to operate, high in reliability and low in operation cost. Power consumption is only 0.8-3kWh/t, and cost for equipment maintenance and the cooling water is only 25-50% of power cost.
Description
Technical field
The utility model relates to the electromagnetic agitation inductor, refers in particular to a kind of being installed in outside crystallizer enclosure interior, copper sheathing and the inner water sleeve, is applicable to the built-in travelling-magnetic-field electromagnetic agitation inductor that slab continuous casting electromagnetic agitation is used.
Background technology
The present travelling-magnetic-field roll-type electromagnetic agitation of two cold-zones on crystal region, two cold-zones, solidification end rotating excitation field magnetic stirrer and the slab of side's of being (square) of extensive use, round billet in the iron and steel metallurgy continuous casting has certain improvement to the metallurgical effect of strand.And for slab, above-mentioned electromagnetic agitation is all inapplicable.As the crystal region electromagnetic agitation, the inside and outside formula electromagnetic agitation of putting that side (square), round billet adopt, this agitator all is designed to the version of hollow cylinder or hollow cuboid, generation be rotating excitation field.As the electromagnetic agitation of travelling-magnetic-field, all be installed in secondary cooling zone or end.As tube type mold in the slab continuous casting, the external electromagnetic agitation can't be installed, also can't adopt the electromagnetic agitation of built-in rotating excitation field.
Summary of the invention
The purpose of the utility model is to tube type mold in the slab continuous casting that exists in the background technology external electromagnetic agitation to be installed; Also can't adopt shortcoming and the problem of the electromagnetic agitation of built-in rotating excitation field to improve and innovate; Provide a kind of be installed on crystallizer enclosure interior copper sheathing and inner water sleeve outer, produce travelling-magnetic-field, be applicable to the built-in travelling-magnetic-field electromagnetic agitation inductor of the electromagnetic mixing apparatus of slab continuous casting.
The technical scheme of the utility model is outside a kind of copper pipe and inner water sleeve that is arranged on the continuous casting crystallining district of structure, by housing be arranged on the electromagnetic agitation inductor that the inductor in the housing cavity is formed, wherein:
The closure casing that inside is cavity that housing is made up of urceolus housing, interior cylinder shell, upper cover plate and lower cover, wherein upper cover plate was provided with the waterproof sealing bolt of cable; Lower cover is provided with inlet opening and the apopore that communicates with crystallizer; And the circular passage that is provided with through lower cover top into and out of the water hole connects, and is provided with the outlet pipe that cooling water is introduced the branch network of rivers orifice plate in the cavity between urceolus housing and the interior cylinder shell and cooling water is taken out of in the circular passage;
Inductor comprises the iron core that is symmetricly set on the inner core center and is wound on the induction coil on the iron core, and coil and iron core are fixed in the cavity of housing through upper mounted plate and bottom plate; Wherein iron core is made up of the yoke of symmetry magnetic material; Induction coil produces travelling-magnetic-field by input two-phase or three-phase alternating current and is wound on the iron core; And induction coil is concentrated short distance winding or gram winding construction, and through the perhaps magnetic circuit of parallel connection formation sealing of connecting.
The utlity model has following advantage and beneficial effect:
The utility model is provided with magnetic stirrer at continuous casting slab crystal region; Its most important character is the electromagnetic mixing apparatus that is applicable to the slab continuous casting, is installed on outside crystallizer enclosure interior copper sheathing and the inner water sleeve, can produce travelling-magnetic-field; Can improve casting billet surface, subcutaneous and internal soundness through different stir modes; Increase equiaxial crystal ratio, reduce center segregation, V-shaped segregation; Reduce center porosity, shrinkage cavity and implosion.Filled up the blank that domestic and international slab tubular type copper sheathing crystal region is installed built-in magnetic stirrer.
The utility model can interiorly at any time move, and is simple to operate, can manual operations also can move automatically, and the Installation and Debugging time of equipment is very short.The reliability of the utility model is very high, approaches 100%.Equipment has no moving-member, only needs electric power to keep operation.The operating cost of magnetic stirrer is very low, and power consumption is merely 0.8 ~ 3kWh/t, and the cost of plant maintenance and cooling water is merely 25 ~ 50% of power cost.
Description of drawings
Fig. 1 is the utility model front view.
Fig. 2 is Fig. 1 vertical view.
Fig. 3 is Fig. 1 upward view.
Fig. 4 is Fig. 2 A-A profile.
Fig. 5 is the utility model lower cover vertical view.
Fig. 6 is that the utility model is removed behind the upper cover plate induction coil for concentrating the vertical view of short distance winding construction.
Fig. 7 is that the utility model removes that induction coil is the vertical view of gram winding construction behind the upper cover plate.
Fig. 8 is Fig. 7 B-B profile.
Fig. 9 is the vertical view that the utility model inner/outer tube is rectangular configuration.
Figure 10 is a strand inner melt motion sketch map under the effect of the utility model travelling-magnetic-field.
Figure 11 is the utility model coil windings sketch map.
The specific embodiment
Can know that by Fig. 1 to 11 the utility model is arranged on outside the copper pipe 13 and inner water sleeve 14 in continuous casting crystallining district, form by housing 6 and the inductor 7 that is arranged in housing 6 cavitys, wherein:
The closure casing that inside is cavity that housing 6 is made up of urceolus housing 8, interior cylinder shell 15, upper cover plate 10 and lower cover 20, wherein upper cover plate 10 was provided with the waterproof sealing bolt 2 of cable 11; Lower cover 20 is provided with the inlet opening 3 and apopore 4 that communicates with crystallizer; And the circular passage 18 that is provided with through lower cover 20 tops into and out of the water hole connects, and is provided with the outlet pipe 16 that cooling water is introduced the branch network of rivers orifice plate 21 in the cavity between urceolus housing 8 and the interior cylinder shell 15 and cooling water is taken out of in the circular passage 18;
Described induction coil 12 coilings of the utility model at least two groups, be distributed in inner core 15 both sides or around.Described iron core 17 is provided with symmetrical yoke 22, is evenly equipped with core tooth 23 on the yoke 22, forms teeth groove between the core tooth 23, and induction coil 12 is wound on the core tooth 23 and places in the teeth groove.Described iron core 17 is provided with symmetrical yoke 22, and induction coil 12 correspondences are uniformly distributed with or symmetrical being wound on the yoke 22.The urceolus housing 8 of described housing 6 and up and down the cover plate inboard be provided with shielding cylinder 25 and shielding cover board 24, also be provided with in the housing 6 and the annular water knockout drum 26 that communicates into and out of the water hole.Described urceolus housing 8 is set to rectangle or circular.Cylinder shell 15 is set to rectangle in described, and is perhaps square, perhaps oval.
The structural principle of the utility model:
The utility model is made up of totally enclosed housing 6 and the inductor 7 that is arranged in the housing, and is arranged at outside continuous casting crystallining district copper pipe 13 and the inner water sleeve 14; Be arranged on induction coil 12 and iron core 17 that housing 6 interior inductors 7 comprise symmetrical distribution; Induction coil is made up of many groups winding, and it is symmetrically distributed in the housing 6, and its winding quantity is 2-32; Induction coil 12 windings in series or parallel connection form magnetic circuit complete, sealing; Induction coil 12 is switched on simultaneously, in housing 6, forms travelling-magnetic-field; Iron core 17 adopts magnetic material to form the yoke 22 of symmetry; Iron core 17 is provided with induction coil 12 windings and the last bottom plate 9,19 that produces travelling-magnetic-field.After induction coil 12 made up with iron core 17, induction coil 12 input two-phase or three-phase alternating currents produced travelling-magnetic-field at the agitator center; Induction coil 12 is for concentrating short distance winding construction or gram winding construction; Induction coil 12 is symmetrically distributed in both direction or all around; Induction coil 12 serial or parallel connection input ACs.Iron core 17 is arranged on and is symmetrical in inner core 15 centers in the housing 6, and iron core 17 is provided with symmetrical yoke 22, is evenly equipped with core tooth 23 on the yoke 22, forms teeth groove between the core tooth 23, and iron core 17 is fixing through the fixed head 9,19 and the housing 6 that are arranged on top and bottom; Iron core 6 is arranged on and is symmetrical in inner core 15 centers in the housing 6 ringwise.Totally enclosed housing 6 comprises a urceolus housing 8, interior cylinder shell 15 and two cover plates 10,20 up and down; Wherein: described lower cover 20 is provided with two inlet openings that communicate with crystallizer 3 and apopore 4; Be provided with the circular passage 18 that communicates with inlet opening 3; Circular passage 18 be provided with cooling water introduce in the cavity between urceolus housing and the interior cylinder shell branch network of rivers orifice plate 21 and with the outlet pipe 16 that cooling water is taken out of, also be provided with screw 5; Be provided with cable 11 waterproof sealing bolts 2 above the upper cover plate 10.The urceolus housing and up and down the cover plate inboard be provided with copper shield cylindrical shell 25 and shielding cover board 24, lower cover 25 is provided with and the annular water knockout drum 26 that communicates into and out of the water hole.Urceolus housing 8 is set to rectangle or circle, and interior cylinder shell 15 is set to rectangle, square or oval.
The operation principle of the utility model:
The utility model is made up of agitator iron core, coil and non-magnetic stainless steel housing; It is organic combination product of linear electric motors and electric rotating machine; All be stator differentiation, can regard the complex of asynchronous linear motor and asynchronous turning motor as by normal asynchronous.Shown in figure 10; Magnetic stirrer is set around metallic solution; When feeding the coil three-phase alternating current; Just produce travelling-magnetic-field
; Because the effect in this magnetic field; In molten metal, produce induced potential, thereby produce induced-current
(following the right-hand rule).This induced-current and local magnetic field interaction produce electromagnetic push
(following left hand rule) in liquation, molten metal is done convective motion under the effect of electromagnetic push
.And the utility model mainly is to inclined to one side base, makes molten metal do similar elliptic motion in slab inside.
Embodiment 1:
Can know by Fig. 1 to 8; The utility model is made up of totally enclosed housing 6 and the inductor 7 that is arranged in the housing; And be arranged at outside continuous casting crystallining district copper pipe 13 and the inner water sleeve 14; Wherein: magnetic stirrer comprises the urceolus housing 8 of a circle and the interior cylinder shell 15 of a rectangle; Be provided with iron core 17, induction coil 12 and last bottom plate 9,19 in the cavity between urceolus housing 8 and the interior cylinder shell 15; Urceolus housing 8 and interior cylinder shell 15 connect into integral body through cover plate 10,20 up and down, and wherein: lower cover 20 is provided with two inlet openings that communicate with crystallizer 3 and apopore 4, is provided with the circular passage 18 that communicates with inlet opening 3; Circular passage 18 be provided with cooling water introduce in the cavity between urceolus housing 8 and the interior cylinder shell 15 branch network of rivers orifice plate 21 and with the outlet pipe 16 that cooling water is taken out of, also be provided with screw 5 and be used for agitator is installed in the crystallizer.Upper cover plate 10 is provided with the waterproof sealing bolt 2 of three encapsulated coil outgoing cables 11 and supplies the hole for hoist of lifting usefulness.Iron core 17 is arranged on and is symmetrical in inner core 15 centers in the housing 6, and iron core 17 is provided with symmetrical yoke 22, is evenly equipped with core tooth 23 on the yoke 22, forms teeth groove between the core tooth 23, and iron core 17 is fixing through the mounting plate 9,19 and the housing 6 that are arranged on top and bottom.
Can know by Fig. 6 and Figure 11; Induction coil 12 is for concentrating the short distance winding construction; Comprise winding A, B, C, X, Y, Z, a, b, c, x, y, z, wherein winding A-X-a-x series connection is the U phase coil, and winding B-Y-b-y series connection is the V phase coil; Winding C-Z-c-z series connection is the W phase coil, and three ends of the same name of final three-phase coil b, y, z connect into asterism.Coil U, V, the logical three-phase quadrature current of W form travelling-magnetic-field, drive metallic solution and stir.Iron core 17 magnetic circuits are set to open circuit.Iron core 17 magnetic circuits are set to row ripple mode.
Can know by Fig. 1 to 8; The utility model is by being made up of totally enclosed housing 6 and the inductor 7 that is arranged in the housing; And be arranged at outside continuous casting crystallining district copper pipe 13 and the inner water sleeve 14; Wherein: magnetic stirrer comprises the urceolus housing 8 of a circle and the interior cylinder shell 15 of a rectangle, is provided with iron core 17, induction coil 12 and last bottom plate 9,19 in the cavity between urceolus housing 8 and the interior cylinder shell 15, and urceolus housing 8 and interior cylinder shell 15 connect into integral body through cover plate 10,20 up and down; Wherein: the urceolus housing and up and down cover plate can know that by Fig. 7 to 8 inboard is provided with copper shield cylindrical shell 25 and shielding cover board 24; Lower cover 25 is provided with two inlet openings that communicate with crystallizer 3 and apopore 4, is provided with and the annular water knockout drum 26 that communicates into and out of the water hole, is provided with screw 5; Be provided with cable 11 waterproof sealing bolts 2 above the upper cover plate.Upper cover plate 10 is provided with the waterproof sealing bolt 2 of three encapsulated coil outgoing cables 11 and supplies the hole for hoist of lifting usefulness.Iron core 17 is arranged on and is symmetrical in inner core 15 centers in the housing 6 ringwise, and iron core 17 is fixing through the fixed head 9,19 and the housing 6 that are arranged on top and bottom.
Can know by Fig. 7 and Figure 11; Induction coil 12 is the gram winding construction; Comprise winding A, B, C, X, Y, Z, a, b, c, x, y, z, wherein winding A-X-a-x series connection is the U phase coil, and winding B-Y-b-y series connection is the V phase coil; Winding C-Z-c-z series connection is the W phase coil, and three ends of the same name of final three-phase coil b, y, z connect into asterism.Coil U, V, the logical three-phase quadrature current of W form travelling-magnetic-field, drive metallic solution and stir.Iron core 17 magnetic circuits are set to open circuit.Iron core 17 magnetic circuits are set to row ripple mode.
The described embodiment of the utility model only is the description that the preferred implementation of the utility model is carried out; Be not that the utility model design and scope are limited; Under the prerequisite that does not break away from the utility model design philosophy, engineers and technicians make the technical scheme of the utility model in this area various modification and improvement all should fall into the protection domain of the utility model; The technology contents that the utility model is asked for protection all is documented in claims.
Claims (7)
1.
OneKind of built-in travelling-magnetic-field electromagnetic agitation inductor is characterized in that it is arranged on outside the copper pipe in continuous casting crystallining district (13) and the inner water sleeve (14), by housing (6) be arranged on the interior inductor (7) of housing (6) cavity and form, wherein:
The closure casing that inside is cavity that housing (6) is made up of urceolus housing (8), interior cylinder shell (15), upper cover plate (10) and lower cover (20), wherein upper cover plate (10) was provided with the waterproof sealing bolt (2) of cable (11); Lower cover (20) is provided with inlet opening (3) and the apopore (4) that communicates with crystallizer; And the circular passage (18) that is provided with through lower cover (20) top into and out of the water hole connects, and is provided with in circular passage (18) cooling water is introduced interior branch network of rivers orifice plate (21) of cavity between urceolus housing (8) and the interior cylinder shell (15) and the outlet pipe (16) that cooling water is taken out of;
Inductor (7) comprises the iron core (17) that is symmetricly set on inner core (15) center and is wound on the induction coil (12) on the iron core (17), and coil and iron core are fixed in the cavity of housing (6) through upper mounted plate (9) and bottom plate (19); Wherein iron core (17) is made up of the yoke (22) of symmetry magnetic material; Induction coil (12) produces travelling-magnetic-field by input two-phase or three-phase alternating current and is wound on the iron core (17); And induction coil (12) is concentrated short distance winding or gram winding construction, and through the perhaps magnetic circuit of parallel connection formation sealing of connecting.
2. built-in travelling-magnetic-field electromagnetic agitation inductor according to claim 1 is characterized in that described induction coil (12) coiling at least two groups, be distributed in inner core (15) both sides or around.
3. built-in travelling-magnetic-field electromagnetic agitation inductor according to claim 1; It is characterized in that described iron core (17) is provided with symmetrical yoke (22); Be evenly equipped with core tooth (23) on the yoke (22); The core tooth forms teeth groove between (23), and induction coil (12) is wound on core tooth (23) and goes up and place in the teeth groove.
4. built-in travelling-magnetic-field electromagnetic agitation inductor according to claim 1 is characterized in that described iron core (17) is provided with symmetrical yoke (22), and induction coil (12) correspondence is uniformly distributed with or symmetrical being wound on the yoke (22).
5. built-in travelling-magnetic-field electromagnetic agitation inductor according to claim 1; It is characterized in that the urceolus housing (8) of described housing (6) and up and down the cover plate inboard be provided with shielding cylinder (25) and shielding cover board (24), also be provided with in the housing (6) and the annular water knockout drum (26) that communicates into and out of the water hole.
6. built-in travelling-magnetic-field electromagnetic agitation inductor according to claim 1 is characterized in that described urceolus housing (8) is set to rectangle or circular.
7. built-in travelling-magnetic-field electromagnetic agitation inductor according to claim 1 is characterized in that described interior cylinder shell (15) is set to rectangle, and is perhaps square, perhaps oval.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205249474U CN202427909U (en) | 2011-12-15 | 2011-12-15 | Built-in type traveling wave magnetic field electromagnetic mixing sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205249474U CN202427909U (en) | 2011-12-15 | 2011-12-15 | Built-in type traveling wave magnetic field electromagnetic mixing sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202427909U true CN202427909U (en) | 2012-09-12 |
Family
ID=46777384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205249474U Expired - Lifetime CN202427909U (en) | 2011-12-15 | 2011-12-15 | Built-in type traveling wave magnetic field electromagnetic mixing sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202427909U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103447490A (en) * | 2013-09-04 | 2013-12-18 | 青岛理工大学 | Method and device for removing non-metallic inclusions in continuous casting process of hollow pipe blank |
| CN106929890A (en) * | 2017-04-18 | 2017-07-07 | 林春芳 | A kind of magnetic conductance formula Tumble-plating device |
| CN110434301A (en) * | 2019-09-20 | 2019-11-12 | 哈尔滨工业大学 | Equal outer diameters polytypic thin wall alloy casting travelling-magnetic-field D.C.casting multistage is servo-actuated core-making installation |
-
2011
- 2011-12-15 CN CN2011205249474U patent/CN202427909U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103447490A (en) * | 2013-09-04 | 2013-12-18 | 青岛理工大学 | Method and device for removing non-metallic inclusions in continuous casting process of hollow pipe blank |
| CN106929890A (en) * | 2017-04-18 | 2017-07-07 | 林春芳 | A kind of magnetic conductance formula Tumble-plating device |
| CN106929890B (en) * | 2017-04-18 | 2018-09-07 | 湖南省鎏源新能源有限责任公司 | A kind of magnetic conductance formula Tumble-plating device |
| CN110434301A (en) * | 2019-09-20 | 2019-11-12 | 哈尔滨工业大学 | Equal outer diameters polytypic thin wall alloy casting travelling-magnetic-field D.C.casting multistage is servo-actuated core-making installation |
| CN110434301B (en) * | 2019-09-20 | 2021-01-15 | 哈尔滨工业大学 | Travelling wave magnetic field semi-continuous casting multi-stage follow-up core equipment for multi-model thin-wall alloy castings with equal outer diameters |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Built-in type traveling wave magnetic field electromagnetic mixing sensor Effective date of registration: 20160128 Granted publication date: 20120912 Pledgee: Bank of Beijing Limited by Share Ltd. Changsha branch Pledgor: HUNAN KEMEIDA ELECTRIC Co.,Ltd. Registration number: 2016430000001 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20170223 Granted publication date: 20120912 Pledgee: Bank of Beijing Limited by Share Ltd. Changsha branch Pledgor: HUNAN KEMEIDA ELECTRIC Co.,Ltd. Registration number: 2016430000001 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Built-in type traveling wave magnetic field electromagnetic mixing sensor Effective date of registration: 20170316 Granted publication date: 20120912 Pledgee: Bank of Beijing Limited by Share Ltd. Changsha branch Pledgor: HUNAN KEMEIDA ELECTRIC Co.,Ltd. Registration number: 2017430000017 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120912 |
|
| CX01 | Expiry of patent term | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220630 Granted publication date: 20120912 Pledgee: Bank of Beijing Limited by Share Ltd. Changsha branch Pledgor: HUNAN KEMEIDA ELECTRIC Co.,Ltd. Registration number: 2017430000017 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |