CN106439901B - Drawer regenerative air heater - Google Patents
Drawer regenerative air heater Download PDFInfo
- Publication number
- CN106439901B CN106439901B CN201610872728.2A CN201610872728A CN106439901B CN 106439901 B CN106439901 B CN 106439901B CN 201610872728 A CN201610872728 A CN 201610872728A CN 106439901 B CN106439901 B CN 106439901B
- Authority
- CN
- China
- Prior art keywords
- heat exchange
- exchange module
- heat
- gas port
- heat exchanger
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000001172 regenerating effect Effects 0.000 title claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 39
- 238000009434 installation Methods 0.000 claims abstract description 5
- 230000017525 heat dissipation Effects 0.000 claims abstract description 3
- 244000144985 peep Species 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 4
- 238000005192 partition Methods 0.000 claims description 4
- 239000011701 zinc Substances 0.000 claims description 4
- 229910052725 zinc Inorganic materials 0.000 claims description 4
- 239000004809 Teflon Substances 0.000 claims description 2
- 229920006362 Teflon® Polymers 0.000 claims description 2
- 230000008859 change Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000008439 repair process Effects 0.000 abstract description 3
- 238000003466 welding Methods 0.000 abstract description 3
- 230000008646 thermal stress Effects 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 41
- 238000005260 corrosion Methods 0.000 description 7
- 230000007797 corrosion Effects 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 230000032258 transport Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000003517 fume Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- PZZOEXPDTYIBPI-UHFFFAOYSA-N 2-[[2-(4-hydroxyphenyl)ethylamino]methyl]-3,4-dihydro-2H-naphthalen-1-one Chemical group C1=CC(O)=CC=C1CCNCC1C(=O)C2=CC=CC=C2CC1 PZZOEXPDTYIBPI-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 235000006708 antioxidants Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- XUCNUKMRBVNAPB-UHFFFAOYSA-N fluoroethene Chemical compound FC=C XUCNUKMRBVNAPB-UHFFFAOYSA-N 0.000 description 1
- 238000005246 galvanizing Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000004056 waste incineration Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L15/00—Heating of air supplied for combustion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Air Supply (AREA)
Abstract
The present invention relates to drawer regenerative air heater, including babinet, several accommodating areas are equipped in babinet, the heat exchange module of drawing out type is installed in accommodating area, gasket seal is installed between heat exchange module and between babinet；Water inlet/gas port and water outlet/gas port are equipped on the outside of heat exchange module, several heat exchanger tubes connected with water inlet/gas port and water outlet/gas port are installed in heat exchange module, heat exchanger tube is U row pipes, and the outside of heat exchanger tube is equipped with radiating fin.The present invention is provided with the heat exchange module of drawing out type, and heat exchange module can be dismantled individually, easy for installation, is readily transported and Maintenance and Repair；Gasket seal is installed, sealing effect is good, and thermal loss is small between heat exchange module；Heat exchanger tube is bent into U-tube, eliminates thermal stress, avoids equipment dilatancy, while reduce welding position；Aluminous fin, good heat-transfer are equipped on the outside of heat exchanger tube, and increases heat dissipation area, radiating efficiency is high.
Description
Technical field
The present invention relates to Air Preheater Technology fields, specifically drawer regenerative air heater.
Background technology
During incineration treatment of garbage, in order to which waste of low heating value is made preferably to burn, ensure to enter waste incinerator
The combustion air of burner hearth is maintained at stable temperature, while considers environmental requirement, and garbage pool air is needed to pass through air preheat
After device heating, it is combustion-supporting to be sent into waste incinerator progress.
Existing air preheat fume afterheat, containing vapor and sulfuric acid vapor in flue gas, operating condition is more severe, holds
Easily there is low-temperature corrosion and stifled ash.Once low-temperature corrosion and stifled ash occurs, exhaust gases passes blocking is will result in, air inducing resistance increases
Greatly, boiler positive pressuring combustion, this not only reduces boiler power or even causes to be forced blowing out.The result of corrosion can cause air pre-
Hot device pipe leakage damage, causes seriously to leak out, combustion conditions is caused to deteriorate, heating surface must not be infrequently replaced when serious, i.e.,
Maintenance load and spillage of material are increased, and affects the normal operation of boiler.If cold air enters fume side, it can also reduce and set
Standby service life, flue gas leakage can also cause environmental pollution.
It is easily corroded present application addresses existing air preheater, service life is short, heat exchange efficiency is low, repair is not square
Just and the preheater of large scale structure manufactures, installs and transports the technical problems such as inconvenience.
Invention content
The corrosion-proof type waste incineration and generating electricity that the present invention proposes that a kind of heat exchange efficiency is high and is easily installed, transports and safeguards steams
Vapour air preheater.
The technical proposal of the invention is realized in this way：Drawer regenerative air heater, including babinet, the babinet both sides are set
There are air inlet and air outlet, several accommodating areas being separated out by partition room, the installation side of the accommodating area are equipped in the babinet
To vertical with the wind direction of the air inlet and air outlet, the heat exchange module of drawing out type is installed in the accommodating area, it is described to change
Gasket seal is installed between thermal modules and between the babinet；Be equipped on the outside of the heat exchange module water inlet/gas port and
Water outlet/gas port is equipped with several heat exchanger tubes connected with the water inlet/gas port and water outlet/gas port, institute in the heat exchange module
Heat exchanger tube is stated as U row pipes, the outside of the heat exchanger tube is equipped with radiating fin.
As preferred technical solution, the heat exchange module includes front tube sheet and back tube sheet, and the heat exchanger tube is plugged on institute
It states between front tube sheet and back tube sheet, the side of the front tube sheet is additionally provided with to be connected respectively at the water inlet/gas port and water outlet/gas port
The gas chamber connect.
The steam gear that the gas chamber is separated into leading portion and back segment is equipped with as preferred technical solution, in the gas chamber
Plate, the baffle are equipped with several through-holes, and the gas chamber leading portion is connected with the water inlet/gas port, the entrance of the heat exchanger tube
In the gas chamber back segment.
As preferred technical solution, the heat exchange module includes steam heat-exchanging module and condensate warm-up block, described
Steam heat-exchanging module includes high steam module, low-pressure steam module and flash steam module.
As preferred technical solution, the tank surface is equipped with zinc coat.
As preferred technical solution, the radiating fin is the radiating fin of aluminum.
As preferred technical solution, the bottom of box is equipped with peep hole, and the quantity of the peep hole is 1 or 1
More than.
As preferred technical solution, flange is installed at the water inlet/gas port and water outlet/gas port.
By adopting the above-described technical solution, the beneficial effects of the invention are as follows：
The present invention is avoided using clean energy resource since flue gas is revealed to the pollution of environment and heat exchanger tube low-temperature corrosion
With the generation of stifled ash, service life of equipment greatly prolongs；Heating surface area of the present invention is big, and air heats are uniform, and temperature is stablized；Structure
Compact, material consumption is few, is readily transported；The present invention also has radiation loss small, and thermal efficiency height, fluid transit resistance is small, is convenient for
The advantages that repair.
The present invention is provided with the heat exchange module of drawing out type, and each heat exchange module can be dismantled individually, easy for installation, be convenient for
Transport maintains easily maintenance again.
In the present invention, heat exchange module adds in gasket seal in abutting joint, can play better seal effect, maximum limit
Degree reduces leakage radiation loss.
In the present invention, whole heat exchanger tube is bent into U-tube, eliminates thermal stress, avoids equipment dilatancy and influence whole
The work of a air preheater, while reduce welding position, avoid the risk that welding position easily leaks.
Due to being equipped with aluminous fin on the outside of heat exchanger tube, gapless closely connects between fin and heat-dissipating pipe, good heat-transfer,
And heat dissipation area is increased, radiating efficiency is high.
It due to being provided with condensate warm-up block, is separated with steam heat-exchanging module, reduces condensate temperature to greatest extent, saved
It can lower consumption with obvious effects.
In order to reduce the impact of steam exchange heat pipe tube bank, gas chamber is provided in steam heat-exchanging module, is provided in gas chamber
Steam baffle avoids steam from directly impacting tube bank.Steam baffle is equipped with aperture corresponding with heat exchanger tube nozzle, is avoided that steam
To enter the situation of a small number of heat exchanger tubes at a high speed, and each heat exchanger tube of entrance for making steam with the flow velocity that is relatively close to evenly,
Each heat exchanger tube is made to be attained by best heat transfer effect.
In order to reduce the corrosion of corrosive goods confrontation air preheater in garbage pool air, middle case of the present invention does galvanizing
Processing, zinc coat is formd on surface, and aluminum fin-stock also has the ability of certain anti-oxidant acid etching, and anti-corrosion performance of the present invention is good,
Service life is long.
In the present invention, module, by flanged joint, solves the present invention in the overweight feelings of quality with external air source and pipeline
Installation question under condition.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other attached drawings according to these attached drawings.
Fig. 1 is the structure diagram of the embodiment of the present invention；
Fig. 2 is the left view of Fig. 1；
Fig. 3 is the vertical view of Fig. 1；
In figure：1- babinets；11- air inlets；12- air outlets；13- partition boards；14- peep holes；2- heat exchange modules；201- front tubes
Plate；202- water inlets/gas port；203- water outlets/gas port；204- heat exchanger tubes；205- radiating fins；206- gas chambers；207- baffles；208-
Back tube sheet；21- high steam modules；22- low-pressure steam modules；23- flash steam modules；24- condensate warm-up blocks；3- gaskets
Piece.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without creative efforts
Embodiment shall fall within the protection scope of the present invention.
If Fig. 1 to Fig. 3 is jointly shown, drawer regenerative air heater, including babinet 1,1 both sides of babinet are equipped with 11 He of air inlet
Air outlet 12 equipped with several by the accommodating area that is separated out between partition board 13 in babinet 1, is equipped with the heat exchange of drawing out type in accommodating area
Module 2, including steam heat-exchanging module and condensate warm-up block 24, steam heat-exchanging module includes high steam module 21, low pressure
Steam module 22 and flash steam module 23, in the present embodiment, including two groups of high steam modules 21, two groups of low-pressure steam modules
22, one group of flash steam module 23 and one group of condensate warm-up block 24.Wherein high steam module 21, low-pressure steam module 22 and sudden strain of a muscle
Water inlet/the gas port and water outlet/gas port of 23 grade steam heat-exchangings module of steam module it is into and out be steam, into water/gas
Mouthful and water outlet/gas port be air inlet or gas outlet, and water outlet/gas port outflow is condensed water in condensate warm-up block 24, is
Water outlet.
1 bottom of babinet is equipped with peep hole 14, and the quantity of peep hole 14 is 1 or 1 or more, the present embodiment total inspection hole
Quantity is 3.
Gasket seal 3 is installed, in the present embodiment, gasket seal is poly- four between heat exchange module and between babinet 1
Vinyl fluoride gasket, but it is not limited to teflon gasket.
The outside of heat exchange module 2 is equipped with water inlet/gas port 202 and water outlet/gas port 203, be equipped in heat exchange module 2 with into
Several heat exchanger tubes 204 that water/gas mouth 202 is connected with water outlet/gas port 203, heat exchanger tube 204 are U row pipes, heat exchanger tube 204 it is outer
Side is equipped with radiating fin 205.
Heat exchange module 2 includes front tube sheet 201 and back tube sheet 208, and heat exchanger tube 204 is plugged on front tube sheet 201 and back tube sheet 208
Between, the side of front tube sheet 201 is additionally provided with the gas chamber 206 respectively at water inlet/gas port 202 and the connection of water outlet/gas port 203.
The steam baffle 207 that gas chamber 206 is separated into leading portion and back segment is equipped in gas chamber 206, baffle 207 is equipped with several
A through-hole, 206 leading portion of gas chamber are connected with water inlet/gas port 202, and the entrance of 204 heat exchanger tubes is set in 206 back segment of gas chamber.
After steam heat-exchanging module is passed through steam, steam enters from the junction of gas chamber leading portion and water inlet/gas port 202, largely
Steam stopped by baffle 207,206 back segment of gas chamber is slowly entered by the through-hole on baffle 207, from the entrance of heat exchanger tube into
Enter.
In order to reduce the corrosion of corrosive goods confrontation air preheater in garbage pool air, 201 table of babinet 1 and module housing
Face is equipped with zinc coat.
In order to extend the service life of heat exchanger tube, in the present embodiment, heat exchanger tube 204 is using the seamless boiler tube of mesolow as base
Pipe, aluminium pipe sleeve are tight between fin 205 and heat exchanger tube 204 through special equipment rolling into aluminum radiating fin 205 on base tube
Close combination, gapless, heat transfer property are also more preferable.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (5)
1. drawer regenerative air heater, including babinet, the babinet both sides are equipped with air inlet and air outlet, it is characterised in that：Institute
State the accommodating area being separated out in babinet equipped with several by partition room, the installation direction of the accommodating area and the air inlet and outlet air
Mouthful wind direction it is vertical, the heat exchange module of drawing out type is installed in the accommodating area, between the heat exchange module and with it is described
Gasket seal is installed, the gasket seal is teflon gasket between babinet；Be equipped on the outside of the heat exchange module into
Water/gas mouth and water outlet/gas port, be equipped in the heat exchange module connected with the water inlet/gas port and water outlet/gas port it is several
A heat exchanger tube, the heat exchanger tube are U row pipes, and the outside of the heat exchanger tube is equipped with radiating fin；The heat exchange module includes front tube
Plate and back tube sheet, the heat exchanger tube are plugged between the front tube sheet and back tube sheet, and the side of the front tube sheet is additionally provided with difference
The gas chamber being connect with the water inlet/gas port and water outlet/gas port；It is equipped in the gas chamber and the gas chamber is separated into leading portion with after
The steam baffle of section, the baffle are equipped with several through-holes, and the gas chamber leading portion is connected with the water inlet/gas port, described to change
The entrance of heat pipe is set in the gas chamber back segment；The heat exchange module includes steam heat-exchanging module and condensate warm-up block, institute
It states steam heat-exchanging module and includes high steam module, low-pressure steam module and flash steam module.
2. drawer regenerative air heater described in accordance with the claim 1, it is characterised in that：The tank surface is equipped with zinc coat.
3. drawer regenerative air heater described in accordance with the claim 1, it is characterised in that：The radiating fin is the heat dissipation of aluminum
Fin.
4. drawer regenerative air heater described in accordance with the claim 1, it is characterised in that：The bottom of box is equipped with peep hole,
The quantity of the peep hole is 1 or 1 or more.
5. drawer regenerative air heater described in accordance with the claim 1, it is characterised in that：Water inlet/the gas port and go out water/gas
Flange is installed at mouthful.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610872728.2A CN106439901B (en) | 2016-09-30 | 2016-09-30 | Drawer regenerative air heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610872728.2A CN106439901B (en) | 2016-09-30 | 2016-09-30 | Drawer regenerative air heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106439901A CN106439901A (en) | 2017-02-22 |
| CN106439901B true CN106439901B (en) | 2018-07-10 |
Family
ID=58171542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610872728.2A Active CN106439901B (en) | 2016-09-30 | 2016-09-30 | Drawer regenerative air heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106439901B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107560206A (en) * | 2017-10-25 | 2018-01-09 | 江苏科立德制冷设备有限公司 | A kind of outdoor Condensing units |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3729387C1 (en) * | 1987-09-03 | 1988-09-22 | Babcock Werke Ag | Method for cold starting a steam generator |
| CN102914189A (en) * | 2012-11-02 | 2013-02-06 | 江苏巴威工程技术股份有限公司 | Modular removable heat exchanger |
| CN202836280U (en) * | 2012-07-26 | 2013-03-27 | 上海双木散热器制造有限公司 | Turnback freeze-proofing steam heater |
| CN203286917U (en) * | 2013-04-26 | 2013-11-13 | 陶国华 | Steam air pre-heater |
| CN203454861U (en) * | 2013-06-18 | 2014-02-26 | 常州宝禹泰工业设备有限公司 | Spiral fin tube type steam air preheater |
| CN206496353U (en) * | 2016-11-08 | 2017-09-15 | 广州广重企业集团有限公司 | A kind of steam air pre-heating system of garbage burning boiler |
-
2016
- 2016-09-30 CN CN201610872728.2A patent/CN106439901B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3729387C1 (en) * | 1987-09-03 | 1988-09-22 | Babcock Werke Ag | Method for cold starting a steam generator |
| CN202836280U (en) * | 2012-07-26 | 2013-03-27 | 上海双木散热器制造有限公司 | Turnback freeze-proofing steam heater |
| CN102914189A (en) * | 2012-11-02 | 2013-02-06 | 江苏巴威工程技术股份有限公司 | Modular removable heat exchanger |
| CN203286917U (en) * | 2013-04-26 | 2013-11-13 | 陶国华 | Steam air pre-heater |
| CN203454861U (en) * | 2013-06-18 | 2014-02-26 | 常州宝禹泰工业设备有限公司 | Spiral fin tube type steam air preheater |
| CN206496353U (en) * | 2016-11-08 | 2017-09-15 | 广州广重企业集团有限公司 | A kind of steam air pre-heating system of garbage burning boiler |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106439901A (en) | 2017-02-22 |
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Address after: 201499, No. 1088 Guoshun Road, Fengpu Jianghai Economic Park, Fengxian District, Shanghai Patentee after: Shuangmu Energy Equipment Technology (Shanghai) Co.,Ltd. Country or region after: China Patentee after: SHANGHAI SHUANGMU MACHINERY EQUIPMENT Co.,Ltd. Address before: 201499, No. 1088 Guoshun Road, Fengpu Jianghai Economic Park, Fengxian District, Shanghai Patentee before: SHANGHAI SHUANGMU RADIATOR MANUFACTURE Co.,Ltd. Country or region before: China Patentee before: SHANGHAI SHUANGMU MACHINERY EQUIPMENT Co.,Ltd. |
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Effective date of registration: 20240412 Address after: 201499, No. 1088 Guoshun Road, Fengpu Jianghai Economic Park, Fengxian District, Shanghai Patentee after: Shuangmu Energy Equipment Technology (Shanghai) Co.,Ltd. Country or region after: China Address before: 201499, No. 1088 Guoshun Road, Fengpu Jianghai Economic Park, Fengxian District, Shanghai Patentee before: Shuangmu Energy Equipment Technology (Shanghai) Co.,Ltd. Country or region before: China Patentee before: SHANGHAI SHUANGMU MACHINERY EQUIPMENT Co.,Ltd. |
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Address after: 201499 North Workshop, Building 4, No. 1658 Baziqiao Road, Fengxian District, Shanghai Patentee after: Shuangmu Energy Equipment Technology (Shanghai) Co.,Ltd. Country or region after: China Address before: 201499, No. 1088 Guoshun Road, Fengpu Jianghai Economic Park, Fengxian District, Shanghai Patentee before: Shuangmu Energy Equipment Technology (Shanghai) Co.,Ltd. Country or region before: China |
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