CN206018554U - A kind of waste heat boiler for converter high-temperature flue gas waste heat recovery - Google Patents
A kind of waste heat boiler for converter high-temperature flue gas waste heat recovery Download PDFInfo
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- CN206018554U CN206018554U CN201621034214.1U CN201621034214U CN206018554U CN 206018554 U CN206018554 U CN 206018554U CN 201621034214 U CN201621034214 U CN 201621034214U CN 206018554 U CN206018554 U CN 206018554U
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- heat exchanger
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- exchanger tube
- stove
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
This utility model provides a kind of waste heat boiler for converter high-temperature flue gas waste heat recovery, including upright chimney flue type tubular body of heater and body of heater external support structure；The body of heater is spliced by several stove section sealings；Each described stove section is tubular；The intervalve being provided with the furnace wall of the stove section inside and outside connection body of heater；Heat exchanger tube is provided with the stove section, and the water inlet end and steam output end of heat exchanger tube are stretched into outside the body of heater respectively through the intervalve；Between the water inlet end and steam output end and the intervalve of the heat exchanger tube, sealing is arranged.This utility model adopts modular design concept, body of heater has multiple stove sections to be spliced, thus it is easy to body of heater is installed in narrow and small hall space, simultaneously facilitate the maintenance and maintenance in later stage, can be changed at any time when one of stove section occurs and damaging, thus maintenance cycle is substantially reduced, is reduced because of maintenance and caused production suspension induced losses.
Description
Technical field
This utility model is related to converter high-temperature flue gas cooling technology field, is used for converter high-temperature flue gas more particularly, to a kind of
The new antiknock explosion-proof type vertical flue-pipe formula waste heat boiler of waste heat recovery.
Background technology
The high-temperature flue gas that converter current is exported from evaporated flue, temperature are used between 800～1000 DEG C both at home and abroad
Water-spraying control, its heat energy are thought to reclaim always both at home and abroad.
The hot shield energy saving Technology Co., Ltd. in Beijing in Application No. 201610110902.X, a kind of entitled " new antiknock
A kind of waste heat boiler is disclosed in the patent of explosion-proof type vertical flue-pipe formula heat pipe waste heat boiler ", which is used for steelmaking converter high temperature cigarette
Gas not water-spraying control synchronization energy recovery technique, to tackle converter gas, -- high temperature, high dust, high CO and protect continuous casting -- is continuous
The not water-spraying control technique of property industry characteristics and a kind of converter high-temperature flue gas heat energy for providing is converted into Steam Recovery process boiler
Watertight new technology equipment in body of heater, the invention pass through, in furnace wall, adopting heat pipes for heat transfer element is housed, and heat exchange element is set to mutual-inserting type
Arrangement, furnace body inside is heat pipe heat absorbing end, on the outside of body of heater is heat pipe release end of heat, and the heat pipe release end of heat is sheathed in water pipe, water
Pipe is provided with water inlet and steam port, by heat pipe heat exchanging, it is to avoid in direct stove, water spray and Steam Recovery process are water-tight.Should
Converter high-temperature flue gas not water-spraying control successfully realized by waste heat boiler, synchronously realizes that fume afterheat is converted into Steam Recovery.
However, user requires, there is provided a kind of many selections of waterpipe type vertical flue-pipe formula waste heat boiler.Resist for waterpipe type is this
Quick-fried explosion-proof type vertical flue-pipe formula waste heat boiler, analyzes from functional perspective, reaches the requirement that flue gas is cooled down, heat exchange is steamed.But for
, there is following deficiency in ambient vessel and flue gas characteristic analysis：
Converter gas dust pelletizing system, modern factories design raw material across refine between, place is extremely limited, so
Pattern wall leads directly to upper and lower structure, it is difficult to install, application is restricted；
Once waste heat boiler leak, process time are long, continuous casting can be affected.
In a word, waste heat boiler complex structure of the prior art, is not easy to install and safeguards, once breaking down, safeguards
Cycle is long, affects the continuous casting of converter, and thus caused economic loss is very big.
Utility model content
The purpose of this utility model is to provide a kind of waste heat boiler for converter high-temperature flue gas waste heat recovery, to solve
Waste heat boiler complex structure present in prior art, is not easy to install and safeguards, once breaking down, maintenance period is long, shadow
The continuous casting of converter is rung, thus the very big technical problem of caused economic loss.
For solving above-mentioned technical problem, a kind of waste heat for converter high-temperature flue gas waste heat recovery that this utility model is provided
Boiler, including upright chimney flue type tubular body of heater and body of heater external support structure；The body of heater is by several stove section sealing splicings
Form；
Each described stove section is tubular；
The intervalve being provided with the furnace wall of the stove section inside and outside connection body of heater；
Heat exchanger tube is provided with the stove section, and the water inlet end and steam output end of heat exchanger tube stretch into institute respectively through the intervalve
State outside body of heater；
Between the water inlet end and steam output end and the intervalve of the heat exchanger tube, sealing is arranged.
Further, the stove section is square tube shape or cylindrical shape.
Further, the intervalve includes that top tube and down tube, top tube and down tube are separately positioned on the furnace wall of the stove section
Upper and lower, the steam output end of the heat exchanger tube stretched out outside body of heater through the upper pipe, and the water inlet end of the heat exchanger tube is passed through
The down tube is stretched out outside body of heater.
Further, heat exchanger tube described in two groups is provided with the stove section, and two groups of heat exchanger tubes are to inserting arrangement, two groups of heat exchanger tubes
Form symmetrically arranged heat exchange piping.
Further, two pairs of top tube and down tube are provided with the stove section；Two pairs of top tube and down tube or so phase
To arranging, it is viewed from above in horizontal staggered arrangement.
Preferably, two pairs of top tube and down tube are symmetrical set respectively.
Further, the heat exchanger tube is the coil being coiled in the stove section.
Wherein, height=1/2 of each stove section is installed floor height+heat exchanger tube high+1/2 and installs floor height；And it is general to install floor height
Value is 700～800mm.
Further, detection manhole is provided with the furnace wall of the stove section；Sealing on detection manhole is provided with cover plate.
Further, in the height direction, the heat exchanger tube is arranged on the middle part of the stove section, and the detection manhole is arranged
Top and/or bottom in the heat exchanger tube.
Further, the outside of each stove section is provided with header tank and steam manifold；The header tank and the heat exchange
The water inlet end connection of pipe, the steam manifold are connected with the steam output end of the heat exchanger tube.
Further, it is provided with the inside of the furnace wall of the stove section for setting up the supporting table of the heat exchanger tube.
Further, the tubular body of heater top is provided with the smoke inlet connected with converter flue, the bottom of tubular body of heater
Portion is provided with exhanst gas outlet.
Further, the tubular body of heater includes being tightly connected successively from bottom to top cooling section, economizer section, evaporator section
And superheat section；The cooling section, economizer section, evaporator section and superheat section are respectively by one or several described stove sections are constituted.
Further, the furnace wall is non-water-cooled furnace wall, and furnace wall that furnace wall includes setting gradually from the outside to the core, pouring material are exhausted
Thermosphere, hexsteel and hard pouring material wearing layer；The hexsteel is fixedly connected with the furnace wall by bracing frame.
Further, the furnace wall is stagewise pattern wall, and which includes many vertical heat exchanger tubes, vertical heat exchanger tube upper and lower two
End is connected with semicircular pipe respectively, is provided with gusset between vertical heat exchanger tube；When two neighboring stove section is docked, upper and lower two stove sections
Semicircular pipe butt welding connect to form gas or fluid passage.
Further, the gas or fluid passage are connected with steam manifold, header tank.
Further, heat-insulation layer and color steel panel are provided with the outside of the furnace wall.
Further, venting of dust explosion hole is provided with the furnace wall of the stove section.
Using above-mentioned technical proposal, this utility model has the advantages that：
A kind of waste heat boiler synchronous for the cooling of converter high-temperature flue gas, waste heat recovery that this utility model is provided adopts mould
Massing design concept, body of heater have multiple stove sections to be spliced, and are thus easy to install body of heater in narrow and small hall space, while just
In the maintenance and maintenance in later stage, can be changed at any time when one of stove section occurs and damaging, thus be substantially reduced dimension
The cycle is repaiied, is reduced because of maintenance and caused production suspension induced losses.
Description of the drawings
In order to be illustrated more clearly that this utility model specific embodiment or technical scheme of the prior art below will be right
Needed for specific embodiment or description of the prior art, accompanying drawing to be used is briefly described, it should be apparent that, describe below
In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, can be with according to these other accompanying drawings of accompanying drawings acquisition.
Fig. 1 is the structure of the waste heat boiler for converter high-temperature flue gas waste heat recovery that this utility model embodiment 1 is provided
Schematic diagram；
Fig. 2 is the structural representation of the stove section of the waste heat boiler that this utility model embodiment 1 is provided；
Fig. 3 is the decomposing schematic representation of the heat exchanger tube to inserting arrangement of the waste heat boiler that this utility model embodiment 1 is provided；
Fig. 4 is the front view of the stove section of the waste heat boiler that this utility model embodiment 1 is provided；
Fig. 5 is the sectional view of the furnace wall of the waste heat boiler that this utility model embodiment 1 is provided；
Fig. 6 is the structural representation of the furnace wall of the waste heat boiler that this utility model embodiment 2 is provided.
Reference：
1- trucks；The storage ball storehouse of 2 and 3- locking gas；
4- exhanst gas outlets；5- ball ash silo sealing valves；
The middle ash-storing bin of the locking gas of 6-；7- vibratory separators；
8- Pneumatic ash conveyings station；9- smoke inlets；
10- bodies of heater；The grey ball storehouse of 11- storages；
20- external support structures；30- stove sections；
31- furnace walls；31a- furnace walls；
31b- pouring material heat insulation layers；31c- hexsteels；
31d- hard pouring material wearing layers；
31e- bracing frames；32- intervalves；
32a- down tubes；Manage on 32b-；
33- heat exchanger tubes；33a- water inlet ends；
33b- steam output ends；34- detects manhole；
35- ventings of dust explosion hole；36- supporting tables；
37- header tanks；38- steam manifolds；
39- clamps；The vertical heat exchanger tubes of 40-；
41- semicircular pipes.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment is a part of embodiment of this utility model, rather than whole embodiments.Embodiment in based on this utility model, this
The every other embodiment obtained under the premise of creative work is not made by field those of ordinary skill, belongs to this practicality
Novel protected scope.
In description of the present utility model, it should be noted that term " " center ", " on ", D score, "left", "right", " perpendicular
Directly ", the orientation of instruction such as " level ", " interior ", " outward " or position relationship are based on orientation shown in the drawings or position relationship, are only
For the ease of describe this utility model and simplify description, rather than indicate or hint indication device or element must have specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.Additionally, term " the
One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that indicating or hint relative importance.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", " being connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integratedly
Connection；Can be mechanically connected, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in this utility model.
Explanation is further explained to this utility model with reference to specific embodiment.
Embodiment 1
As shown in Figure 1-2, a kind of waste heat boiler for converter high-temperature flue gas waste heat recovery that the present embodiment is provided, including
Upright chimney flue type tubular body of heater 10 and body of heater external support structure 20；Body of heater 10 is spliced by several sealings of stove section 30；
External support structure 20 includes the outer circumferentially disposed furnace stay of body of heater and several horizontal ring beams.
10 top of tubular body of heater is provided with the vaporization cigarette of the smoke inlet 9 connected with converter flue, smoke inlet 9 and converter
The outlet connection of three sections of road, for introducing heat smoke into waste heat boiler.
The bottom of tubular body of heater 10 is provided with exhanst gas outlet 4, and wherein 1 is truck, and 2 and 3 is the storage ball storehouse of locking gas；11 are
The grey ball storehouse of storage, 5 is ball ash silo sealing valve, and 6 is the middle ash-storing bin of locking gas；7 is vibratory separator, and 8 is Pneumatic ash conveying station.
Tubular body of heater 10 includes cooling section, economizer section, evaporator section and the superheat section being tightly connected successively from bottom to top；Cold
But section, economizer section, evaporator section and superheat section are respectively by one or several stove sections 30 are constituted.
Wherein, as shown in Fig. 2 each stove section 30 is square tube shape or cylindrical shape；
The intervalve 32 being provided with the furnace wall 31 of stove section 30 inside and outside connection body of heater 10；
Heat exchanger tube 33 is provided with stove section, and the water inlet end 33a and steam output end 33b of heat exchanger tube 33 are stretched respectively through intervalve 32
Enter outside body of heater 10；Heat exchanger tube 33 is coil.
Between the water inlet end 33a and steam output end 33b and intervalve 32 of heat exchanger tube 33, sealing is arranged.
Intervalve 32 includes that pipe 32b and down tube 32a, upper pipe 32b and down tube 32a are separately positioned on the furnace wall 31 of stove section 30
Upper and lower, the steam output end 33b of heat exchanger tube 33 stretched out outside body of heater 10 through upper pipe 32b, the water inlet end 33a warps of heat exchanger tube 33
Cross down tube 32a to stretch out outside body of heater 10.
It is provided with the inside of the furnace wall 31 of stove section 30 for setting up the supporting table 36 of heat exchanger tube 33.
Detection manhole 34 is provided with the furnace wall 31 of stove section 30；Sealing on detection manhole 34 is provided with cover plate.
As shown in Figure 3-4, in order to increase heat exchange area and be easy to install and maintain, two groups of heat exchange are provided with stove section 30
Pipe 33, two groups of heat exchanger tubes, 33 pairs of slotting arrangements, two groups of heat exchanger tubes 33 form symmetrically arranged heat exchange piping.
Two couples of upper pipe 32b and down tube 32a is provided with stove section 30；Two couples of upper pipe 32b and down tube 32a or so are oppositely arranged.
Wherein, two couples of upper pipe 32b and down tube 32a are symmetrical set respectively.
And heat exchanger tube 33 is the coil being coiled in stove section 30.
Wherein, the installation floor height of height+1/2 of floor height+heat exchanger tube is installed in height=1/2 of each stove section 30；And mounting layer
High general value is 700～800mm.
In the height direction, heat exchanger tube 33 is arranged on the middle part of stove section 30, and detection manhole 34 is arranged on the upper of heat exchanger tube 33
Portion or bottom.
The outside of each stove section 30 is provided with header tank 37 and steam manifold 38；Header tank 37 and the water inlet end of heat exchanger tube 33
33a connects, and steam manifold 38 is connected with the steam output end 33b of heat exchanger tube 33.
The header tank 37 of cooling section is connected with water pump, and steam manifold 38 is connected with oxygen-eliminating device.The header tank 37 of economizer section with
Moisturizing water pump connects, and steam manifold 38 is connected with drum；
The header tank 37 and steam manifold 38 of evaporator section is connected with drum respectively, i.e., supplied water by drum；Steam after heating is same
Sample is returned in drum；
The header tank 37 of superheat section is connected with drum, and by drum steam supply, outlet is connected with transfer pipeline, is steamed to user's conveying
Vapour.
Venting of dust explosion hole 35 is provided with the furnace wall 31 of stove section 30.
As shown in figure 5, furnace wall 31 is non-water-cooled furnace wall 31, furnace wall 31 includes the furnace wall 31a for setting gradually from the outside to the core, pours
Build material heat insulation layer 31b, hexsteel 31c and hard pouring material wearing layer 31d；Hexsteel 31c is by bracing frame 31e and furnace wall 31a
It is fixedly connected.Bracing frame 31e is used for fixing hexsteel 31c.
Furnace wall 31a is welded by shell plate；Heat-insulation layer and color steel panel (not shown) is provided with the outside of the 31a of furnace wall.
Embodiment 2
The present embodiment is essentially identical with 1 structure of embodiment, and difference is：
As shown in fig. 6, furnace wall 31 is stagewise pattern wall, which includes many vertical heat exchanger tubes 40, on vertical heat exchanger tube 40
Lower two ends are connected with semicircular pipe 41 respectively, are provided with gusset (not shown) between vertical heat exchanger tube 40；Two neighboring stove section 30
During docking, 41 butt welding of semicircular pipe of upper and lower two stove sections 30 connects to form gas or fluid passage.The gas or fluid
Passage is connected with steam manifold, header tank.Wherein, 39 is clamp.
Finally it should be noted that：Various embodiments above is only in order to illustrating the technical solution of the utility model, rather than which is limited
System；Although being described in detail to this utility model with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：Which still can be modified to the technical scheme described in foregoing embodiments, or to which part or whole
Technical characteristic carries out equivalent；And these modifications or replacement, do not make the essence of appropriate technical solution depart from this practicality new
The scope of each embodiment technical scheme of type.
Claims (10)
1. a kind of waste heat boiler for converter high-temperature flue gas waste heat recovery, it is characterised in that including upright chimney flue type tubular
Body of heater and body of heater external support structure；The body of heater is spliced by several stove section sealings；
Each described stove section is tubular；
The intervalve being provided with the furnace wall of the stove section inside and outside connection body of heater；
Heat exchanger tube is provided with the stove section, and the water inlet end and steam output end of heat exchanger tube stretch into the stove respectively through the intervalve
In vitro；
Between the water inlet end and steam output end and the intervalve of the heat exchanger tube, sealing is arranged.
2. waste heat boiler according to claim 1, it is characterised in that the intervalve includes top tube and down tube, upper pipe and
Down tube is separately positioned on the upper and lower of the furnace wall of the stove section, and the steam output end of the heat exchanger tube stretches out stove through the upper pipe
In vitro, the water inlet end of the heat exchanger tube is stretched out outside body of heater through the down tube.
3. waste heat boiler according to claim 2, it is characterised in that be provided with heat exchanger tube described in two groups in the stove section,
Two groups of heat exchanger tubes form symmetrically arranged heat exchange piping to inserting arrangement, two groups of heat exchanger tubes；It is provided with described in two pairs in the stove section
Top tube and down tube；Two pairs of described top tube and down tube or so are oppositely arranged, and are viewed from above in horizontal staggered arrangement.
4. waste heat boiler according to claim 1, it is characterised in that be provided with detection manhole on the furnace wall of the stove section；
Sealing on detection manhole is provided with cover plate.
5. waste heat boiler according to claim 4, it is characterised in that in the height direction, the heat exchanger tube is arranged on institute
The middle part of stove section is stated, the detection manhole is arranged on the top and/or bottom of the heat exchanger tube.
6. waste heat boiler according to claim 1, it is characterised in that the outside of each stove section be provided with header tank and
Steam manifold；The header tank is connected with the water inlet end of the heat exchanger tube, and the steam manifold is connected with the steam output end of the heat exchanger tube.
7. waste heat boiler according to claim 1, it is characterised in that be provided with the inside of the furnace wall of the stove section for setting up
The supporting table of the heat exchanger tube.
8. waste heat boiler according to claim 1, it is characterised in that the tubular body of heater top is provided with and converter flue
The smoke inlet of connection, the bottom of tubular body of heater are provided with exhanst gas outlet；The tubular body of heater includes sealing successively from bottom to top
The cooling section of connection, economizer section, evaporator section and superheat section；The cooling section, economizer section, evaporator section and superheat section respectively by
One or several described stove section compositions.
9. waste heat boiler according to claim 1, it is characterised in that the furnace wall is non-water-cooled furnace wall, furnace wall include from
Furnace wall, pouring material heat insulation layer, hexsteel and the hard pouring material wearing layer for setting gradually outside to inside；The hexsteel is by supporting
Frame is fixedly connected with the furnace wall.
10. waste heat boiler according to claim 1, it is characterised in that the furnace wall is stagewise pattern wall, and which includes many
The vertical heat exchanger tube of root, vertical heat exchanger tube upper and lower ends are connected with semicircular pipe respectively, are provided with gusset between vertical heat exchanger tube；Phase
When adjacent two stove sections are docked, the semicircular pipe butt welding of upper and lower two stove sections connects to form gas or fluid passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621034214.1U CN206018554U (en) | 2016-08-31 | 2016-08-31 | A kind of waste heat boiler for converter high-temperature flue gas waste heat recovery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621034214.1U CN206018554U (en) | 2016-08-31 | 2016-08-31 | A kind of waste heat boiler for converter high-temperature flue gas waste heat recovery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206018554U true CN206018554U (en) | 2017-03-15 |
Family
ID=58258491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621034214.1U Active CN206018554U (en) | 2016-08-31 | 2016-08-31 | A kind of waste heat boiler for converter high-temperature flue gas waste heat recovery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206018554U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111043403A (en) * | 2019-10-24 | 2020-04-21 | 浙江特富锅炉有限公司 | Connecting assembly for heat pipe and shell in energy-saving and environment-friendly boiler |
| CN111961799A (en) * | 2020-08-27 | 2020-11-20 | 江苏热盾节能环保科技有限公司 | Converter flue gas high-temperature cyclone dust removal waste heat boiler integrated device and method |
-
2016
- 2016-08-31 CN CN201621034214.1U patent/CN206018554U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111043403A (en) * | 2019-10-24 | 2020-04-21 | 浙江特富锅炉有限公司 | Connecting assembly for heat pipe and shell in energy-saving and environment-friendly boiler |
| CN111961799A (en) * | 2020-08-27 | 2020-11-20 | 江苏热盾节能环保科技有限公司 | Converter flue gas high-temperature cyclone dust removal waste heat boiler integrated device and method |
| CN111961799B (en) * | 2020-08-27 | 2021-11-19 | 江苏热盾节能环保科技有限公司 | Converter flue gas high-temperature cyclone dust removal waste heat boiler integrated device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170414 Address after: 014000 East District, the Inner Mongolia Autonomous Region, Baotou East Street, No. 88, building No. two, No. 7 Patentee after: Ma Jianbo Address before: 102600 Beijing Xinghua Street (No. two), building 3, building 14, floor 2, 1712 Patentee before: BEIJING REDUN ENERGY SAVING TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190522 Address after: 014030 Software Park Building C508, Baotou Rare Earth High-tech Zone, Inner Mongolia Autonomous Region Patentee after: Inner Mongolia heat shield energy saving Technology Co.,Ltd. Address before: 014000 No. 88, Building 7, East 2, Tongshun Street, Donghe District, Baotou City, Inner Mongolia Autonomous Region Patentee before: Ma Jianbo |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200821 Address after: Room 503-2, block a, national innovation and entrepreneurship demonstration base, Baotou Rare Earth Development Zone, Inner Mongolia Autonomous Region 026000 Patentee after: Inner Mongolia Yuanqi Technology Co.,Ltd. Address before: 014030 the Inner Mongolia Autonomous Region Baotou rare earth hi tech Zone Software Park building C508 Patentee before: Inner Mongolia heat shield energy saving Technology Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230228 Address after: 014000 Room 409, Office Building, No. 102, Bayantala West Street, Donghe District, Baotou, Inner Mongolia Autonomous Region Patentee after: Inner Mongolia heat shield energy saving Technology Co.,Ltd. Address before: Room 503-2, block a, national innovation and entrepreneurship demonstration base, Rare Earth Development Zone, Baotou City, Inner Mongolia Autonomous Region 026000 Patentee before: Inner Mongolia Yuanqi Technology Co.,Ltd. |