CN203797336U - Plate-shell intermediate fluid gasifier - Google Patents
Plate-shell intermediate fluid gasifier Download PDFInfo
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- CN203797336U CN203797336U CN201420054440.0U CN201420054440U CN203797336U CN 203797336 U CN203797336 U CN 203797336U CN 201420054440 U CN201420054440 U CN 201420054440U CN 203797336 U CN203797336 U CN 203797336U
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- plate
- shell
- heat exchanger
- evaporator
- entrance
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- 239000012530 fluid Substances 0.000 title abstract description 7
- 239000006200 vaporizer Substances 0.000 claims description 43
- 241000446313 Lamella Species 0.000 claims description 33
- 230000001105 regulatory effect Effects 0.000 claims description 14
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 12
- 239000010936 titanium Substances 0.000 claims description 12
- 229910052719 titanium Inorganic materials 0.000 claims description 12
- 239000010935 stainless steel Substances 0.000 claims description 11
- 229910001220 stainless steel Inorganic materials 0.000 claims description 11
- 239000007792 gaseous phase Substances 0.000 claims description 10
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 9
- 239000010962 carbon steel Substances 0.000 claims description 9
- 239000007791 liquid phase Substances 0.000 claims description 6
- 239000002826 coolant Substances 0.000 claims description 4
- 239000000945 filler Substances 0.000 claims description 4
- 238000002309 gasification Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 239000013535 sea water Substances 0.000 abstract description 14
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000003949 liquefied natural gas Substances 0.000 description 31
- 239000007788 liquid Substances 0.000 description 15
- 238000010438 heat treatment Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The utility model discloses a plate-shell intermediate fluid gasifier with small size and light weight, which has the advantages that the cost of the gasifier is effectively lowered, the reliability of the gasifier is improved, and the service life of the gasifier is prolonged. The gasifier consists of a flooded evaporator, a plate-shell heat exchanger A and a plate-shell heat exchanger B, wherein a medium to be gasified is input from the inlet of a plate side passageway of the plate-shell heat exchanger A, the outlet of the plate side passageway of the plate-shell heat exchanger A is connected with the inlet of a shell side passageway of the plate-shell heat exchanger B, a gasified medium is output from the shell side outlet of the plate-shell heat exchanger B, the inlet of a plate side passageway of the plate-shell heat exchanger B is communicated with seawater, the outlet of the plate side passageway of the plate-shell heat exchanger B is connected with the inlet of a plate side passageway of the flooded evaporator, the outlet of the plate side passageway of the flooded evaporator is communicated with seawater, the inlet of a shell side passageway of the flooded evaporator is connected with the outlet of a shell side passageway of the plate-shell heat exchanger A, and the outlet of the shell side passageway of the flooded evaporator is communicated with the inlet of the shell side passageway of the plate-shell heat exchanger A.
Description
Technical field
Model utility relates to a kind of intermediate flow build vaporizer, is specifically related to a kind of shell-and-plate intermediate flow build vaporizer.
Background technique
LNG Liquefied natural gas (LNG) receiving station receives marine LNG transit terminal station, LNG is received, stores, gasifies, transported to downstream rock gas (NG) pipe network in station outward.In LNG receiving station, vaporizer is the capital equipment of gasification system.At present, the LNG receiving station in the whole world mainly adopts the vaporizer of four types, i.e. open-frame type gasifier (ORV), submerged combustion vaporizer (SCV), intermediate flow build vaporizer (IFV) and ambient air vaporizer (AAV).In intermediate flow build vaporizer (IFV), because seawater is not direct and low temperature LNG heat exchange, but by the very low intermediate medium transferring heat of freezing point, avoid icing problem completely, be therefore widely used.
Conventional intermediate flow build vaporizer is made up of three sections of shell-and-tube heat exchangers, as shown in Figure 1, is respectively: intermediate medium gasifier E1 section, LNG vaporizer E2 section and NG temperature regulating heater E3 section; Wherein intermediate medium gasifier E1 section and NG temperature regulating heater E3 section adopt fixed tube-sheet exchanger, and LNG vaporizer E2 section adopts U-shaped tubular heat exchanger.The tube bank of processing LNG vaporizer E2 section when use is inserted into the top of intermediate medium gasifier E1 cylindrical section type, and the bottom of the E1 section titanium pipe circulation seawater that distributing.In the shell of E1 section sealing, be filled with intermediate medium liquid, height is advisable with the titanium pipe of submergence E1 section.E1 section is connected with E3 section by the bobbin carriage of taper.
But the manufactured materials of intermediate flow build vaporizer must meet three harsh conditions: low temperature resistant, anti-high pressure and corrosion resistance.Resist seawater corrosion performance best for titanium material, titanium material price costliness.The heat exchanging tube of IFV and contact with sea water all adopts titanium material at present, and all the other heat exchanging tubes adopt stainless steel.But shell-and-tube heat exchanger heat exchange efficiency is lower, and volume is large, Heavy Weight, manufacture cost is very high.
Model utility content
In view of this, the utility model provides a kind of shell-and-plate intermediate flow build vaporizer, and volume is little, lightweight, can effectively reduce equipment cost, improves reliability and the life-span of equipment.
Shell-and-plate intermediate flow build vaporizer comprises flooded evaporator E1, lamella heat exchanger E2 and lamella heat exchanger E3, and wherein flooded evaporator E1 is intermediate medium gasifier, and lamella heat exchanger E3 is temperature regulating heater; The plate journey runner entrance of described lamella heat exchanger E2 is inputted medium to be gasified, and plate journey runner exit is connected with the shell side runner entrance of lamella heat exchanger E3; Medium after the shell side outlet output gasification of lamella heat exchanger E3; The plate journey runner entrance of described lamella heat exchanger E3 and cooling medium connect, and plate journey runner exit is connected with the plate journey runner entrance of flooded evaporator; The plate journey runner exit of described flooded evaporator and cooling medium connect, and shell side runner entrance is connected with the shell side runner exit of lamella heat exchanger E2, and shell side runner exit is connected with the shell side runner entrance of lamella heat exchanger E2.
The housing of described flooded evaporator adopts carbon steel or stainless steel to make, and heat exchange core adopts titanium material to make; The heat exchange core of described lamella heat exchanger E2 adopts stainless steel to make, and housing adopts carbon steel or stainless steel to make; The heat exchange core of described lamella heat exchanger E3 adopts titanium material to make, and housing adopts carbon steel to make.
Described flooded evaporator E1 comprises evaporator shell and heat exchange core; The column construction that wherein evaporator shell is hollow, arranges respectively shell side liquid phase entrance and shell side gaseous phase outlet on evaporator shell circumferential surface; Heat exchange core is positioned at evaporator shell inside, and its axis is parallel with the axis of evaporator shell; Described heat exchange core is by coaxial affixed the forming of more than two heat-exchange plate; Axially be processed with respectively the outlet of plate journey entrance and plate journey along heat exchange core.
Between described heat exchange core and evaporator shell inner peripheral surface, be filled with filler.
Described evaporator shell internal surface, shell side gaseous phase outlet position is provided with flow-stopping plate.
Described lamella heat exchanger E2 is identical with lamella heat exchanger E3 structure, comprises heat exchanger shell and plate core; Plate core is coaxially arranged in heat exchanger shell, and described plate core is by coaxial affixed the forming of more than two heat-exchange plate, is axially processed with respectively plate journey entrance and the outlet of plate journey along plate core; On the circumferential surface of heat exchanger shell, be processed with respectively shell side entrance and shell side outlet.
Beneficial effect:
This vaporizer is made up of three lamella heat exchangers, and lamella heat exchanger has that heat transfer efficiency is high, terminal temperature difference is little, high temperature high voltage resistant, compactness and the advantage such as lightweight.In the utility model, lamella heat exchanger is applied to intermediate flow build vaporizer, forms shell-and-plate central fluid vaporizer.This vaporizer and contact with sea water position material adopt titanium material, and remaining part adopts stainless steel, have greatly reduced volume, weight, the manufacture cost that reduces to greatest extent device and the installation and maintenance expense of equipment, and assurance device long period safe and reliable operation.
Brief description of the drawings
Fig. 1 is the structural representation of conventional tube shell-type central fluid vaporizer;
The structural representation of the shell-and-plate central fluid vaporizer that Fig. 2 provides for this enforcement;
Fig. 3 is flooded type evaporator structure schematic diagram;
Fig. 4 is shell-and-plate heat exchange core structural representation;
Fig. 5 is lamella heat exchanger structural representation.
Wherein, 1-heat exchanger shell; 2-plate core; 4-plate journey entrance A; 5-plate journey outlet A; 6-shell side entrance; The outlet of 7-shell side; 8-pressure strip; 13-plate journey entrance B; 14-filler; 15-heat exchange core; 16-plate journey outlet B; 17-shell side gaseous phase outlet; 18-flow-stopping plate; 19-evaporator shell; 20-shell side liquid phase entrance.
Embodiment
Below in conjunction with the accompanying drawing embodiment that develops simultaneously, the utility model is described in detail.
The present embodiment provides a kind of shell-and-plate central fluid vaporizer, adopts three sections of lamella heat exchangers composition, and compared with traditional shell of pipe type IFV, volume is little, lightweight, equipment cost is low, and can improve reliability and the life-span of equipment.
The structure of this shell-and-plate central fluid vaporizer as shown in Figure 2, is made up of intermediate medium gasifier E1, LNG vaporizer E2 and NG temperature regulating heater E3.
Wherein intermediate medium gasifier E1 adopts flooded evaporator, as shown in Figure 3.Comprise evaporator shell 19 and heat exchange core 15; Wherein evaporator shell 19 adopts carbon steel or stainless steel to make, and heat exchange core 15 adopts titanium material to make.Evaporator shell 19 is cylindrical structural, and on it, circumferential surface is provided with shell side gaseous phase outlet 17, and lower circumferential surface is provided with shell side liquid phase entrance 20, and heat exchange core 15 is arranged in the liquid level of evaporator shell 19.After heat exchange core 15 is stacked by multiple heat exchanging plate, form by laser bonding, as shown in Figure 4.In the axial direction of heat exchange core 15, be processed with respectively plate journey entrance B13 and plate journey outlet B16.For preventing that gas-liquid from carrying secretly mutually, evaporator shell 19 liquid levels tops should retain enough separated spaces, normally the more than 1.5 times of heat exchange core 15 diameters of diameter of evaporator shell 19 conventionally.Between heat exchange core 15 and evaporator shell 19, be filled with filler 14, to ensure that as far as possible many liquid flows through from (being shell side runner) between the plate of heat exchange core.The submergence of evaporator shell 19 interior liquid is highly generally: make the liquid level height in evaporator shell 19 exceed the about 50mm of heat exchange core 15 upper surface.Part more than liquid level is gas-liquid separation space, for ensureing good gas-liquid separation effect, can flow-stopping plate 18 be set in shell side gaseous phase outlet 17 positions, the top of evaporator shell 19 inwalls.When use, shell side liquid enters in evaporator shell 19 from shell side liquid phase entrance 20, and plate journey medium enters in plate journey runner from plate journey entrance B13, and in heating fumigators housing 19, after the shell side liquid of (being in shell side runner), slave plate journey outlet B16 flows out; After the heated evaporation of shell side liquid, flow out from shell side gaseous phase outlet 17.
LNG vaporizer E2 and NG temperature regulating heater E3 all adopt the lamella heat exchanger shown in Fig. 5.Lamella heat exchanger comprises heat exchanger shell 1, plate core 2, baffle 3, plate journey entrance A4, plate journey outlet A5, shell side entrance 6, shell side outlet 7, pressure strip 8 etc.The structure of plate core 2 is identical with the structure of above-mentioned heat exchange core 15, is formed by multiple plate coaxial welding.Plate core 2 is coaxially arranged on heat exchanger shell 1 inside, and two through holes on plate core 2 is axial connect with the plate journey entrance A4 and the plate journey outlet A5 that are arranged on adpting flange respectively.Between plate core 2 and pressure strip 8, pass through laser bonding, thus pressure strip core 2.On the circumferential surface of heat exchanger shell 1, be processed with respectively shell side entrance 6 and shell side outlet 7.Wherein the plate core of LNG vaporizer E2 adopts stainless steel, and housing adopts carbon steel or stainless steel; The plate core of NG temperature regulating heater E3 adopts titanium material, and housing adopts carbon steel.
Annexation between above-mentioned three parts is as shown in Figure 2: the plate journey entrance of LNG vaporizer E2 is used for inputting LNG Liquefied natural gas LNG, the outlet of plate journey is connected with the shell side entrance of NG temperature regulating heater E3 by pipeline, the shell side outlet output rock gas (NG) of NG temperature regulating heater E3.The plate journey entrance of NG temperature regulating heater E3 connects by pipeline and seawater, and the outlet of plate journey is connected with the plate journey entrance of intermediate medium gasifier E1.The plate journey outlet of intermediate medium gasifier E1 connects by pipeline and seawater, and shell side liquid phase entrance is connected with the shell side outlet of LNG vaporizer E2, and shell side gaseous phase outlet is connected with the shell side entrance of LNG vaporizer E2.
The working principle of this vaporizer is: as shown in Figure 2, intermediate medium becomes gaseous state after by heating of seawater in the housing of intermediate medium gasifier E1, gaseous state intermediate medium rises to the shell side entrance of LNG vaporizer E2 by pipeline from the shell side gaseous phase outlet of intermediate medium gasifier E1, enter in the shell side runner of LNG vaporizer E2.LNG Liquefied natural gas (LNG) enters by pipeline in the plate journey runner of LNG vaporizer E2, carries out, after heat exchange, gasifying as NG with the gaseous state intermediate medium in LNG vaporizer E2 shell side runner.NG after gasification passes in the shell side runner of NG temperature regulating heater E3 by pipeline from the plate journey outlet of LNG vaporizer E2, carry out heat exchange with the seawater entering in entering plate journey runner from NG temperature regulating heater E3 plate journey, temperature is further promoted, and reaches the shell side outlet from NG temperature regulating heater E3 after setting temperature and flows out.Seawater and NG in NG temperature regulating heater E3 plate journey runner carry out after heat exchange, temperature declines, after cooling, seawater enters in the plate journey runner of intermediate medium gasifier E1 again, for heating the intermediate medium in the housing of intermediate medium gasifier E1, after further being declined, self temperature discharges from the plate journey outlet of intermediate medium gasifier E1.And gaseous state intermediate medium in LNG vaporizer E2 shell side runner cooling by LNG after, be condensed into liquid, flow into again by difference of liquid level in the shell side runner of flooded evaporator E1.The continuous heating and gasifying of intermediate medium and condensation liquefaction, constantly circulation in the space of sealing, cycle rate depends on the concrete condition of LNG low-temperature receiver and seawater thermal source.
In sum, these are only preferred embodiment of the present utility model, be not intended to limit protection domain of the present utility model.All within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (6)
1. shell-and-plate intermediate flow build vaporizer, is characterized in that, comprises flooded evaporator E1, lamella heat exchanger E2 and lamella heat exchanger E3, and wherein flooded evaporator E1 is intermediate medium gasifier, and lamella heat exchanger E3 is temperature regulating heater; The plate journey runner entrance of described lamella heat exchanger E2 is inputted medium to be gasified, and plate journey runner exit is connected with the shell side runner entrance of lamella heat exchanger E3; Medium after the shell side outlet output gasification of lamella heat exchanger E3; The plate journey runner entrance of described lamella heat exchanger E3 and cooling medium connect, and plate journey runner exit is connected with the plate journey runner entrance of flooded evaporator; The plate journey runner exit of described flooded evaporator and cooling medium connect, and shell side runner entrance is connected with the shell side runner exit of lamella heat exchanger E2, and shell side runner exit is connected with the shell side runner entrance of lamella heat exchanger E2.
2. shell-and-plate intermediate flow build vaporizer as claimed in claim 1, is characterized in that, the housing of described flooded evaporator adopts carbon steel or stainless steel to make, and heat exchange core adopts titanium material to make; The heat exchange core of described lamella heat exchanger E2 adopts stainless steel to make, and housing adopts carbon steel or stainless steel to make; The heat exchange core of described lamella heat exchanger E3 adopts titanium material to make, and housing adopts carbon steel to make.
3. shell-and-plate intermediate flow build vaporizer as claimed in claim 1, is characterized in that, described flooded evaporator E1 comprises evaporator shell (19) and heat exchange core (15); The column construction that wherein evaporator shell (19) is hollow, arranges respectively shell side liquid phase entrance (20) and shell side gaseous phase outlet (17) on evaporator shell (19) circumferential surface; Heat exchange core (15) is positioned at evaporator shell (19) inside, and its axis is parallel with the axis of evaporator shell (19); Described heat exchange core (15) is by coaxial affixed the forming of more than two heat-exchange plate; Axially be processed with respectively plate journey entrance (13) and plate journey outlet (16) along heat exchange core (15).
4. shell-and-plate intermediate flow build vaporizer as claimed in claim 3, is characterized in that, between described heat exchange core (15) and evaporator shell (19) inner peripheral surface, is filled with filler.
5. shell-and-plate intermediate flow build vaporizer as claimed in claim 3, is characterized in that, described evaporator shell (19) internal surface, and shell side gaseous phase outlet (17) position is provided with flow-stopping plate (18).
6. shell-and-plate intermediate flow build vaporizer as claimed in claim 1, is characterized in that, described lamella heat exchanger E2 is identical with lamella heat exchanger E3 structure, comprises heat exchanger shell (1) and plate core (2); Plate core (2) is coaxially arranged in heat exchanger shell (1), and described plate core (2) is by coaxial affixed the forming of more than two heat-exchange plate, along plate core (2) be axially processed with respectively plate journey entrance (4) and plate journey exports (5); On the circumferential surface of heat exchanger shell (1), be processed with respectively shell side entrance (6) and shell side outlet (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420054440.0U CN203797336U (en) | 2014-01-27 | 2014-01-27 | Plate-shell intermediate fluid gasifier |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420054440.0U CN203797336U (en) | 2014-01-27 | 2014-01-27 | Plate-shell intermediate fluid gasifier |
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| CN203797336U true CN203797336U (en) | 2014-08-27 |
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| CN201420054440.0U Expired - Lifetime CN203797336U (en) | 2014-01-27 | 2014-01-27 | Plate-shell intermediate fluid gasifier |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103822092A (en) * | 2014-01-27 | 2014-05-28 | 中国船舶重工集团公司第七一一研究所 | Plate-shell type middle fluid type gasifier |
| CN104197736A (en) * | 2014-09-09 | 2014-12-10 | 浙江建业化工股份有限公司 | Solvent regeneration tower top condensing system and lamella heat exchanger used in same |
| CN106545935A (en) * | 2016-10-27 | 2017-03-29 | 航天科工哈尔滨风华有限公司 | A kind of air conditioning system with intermediate medium gasifier as low-temperature receiver |
| CN109716012A (en) * | 2016-08-02 | 2019-05-03 | Wga水环球公司 | Regasification plant |
| CN110382347A (en) * | 2017-03-06 | 2019-10-25 | 株式会社神户制钢所 | Marine floating type facility |
| CN111902672A (en) * | 2018-03-30 | 2020-11-06 | 株式会社神户制钢所 | Intermediate medium type gasifier |
-
2014
- 2014-01-27 CN CN201420054440.0U patent/CN203797336U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103822092A (en) * | 2014-01-27 | 2014-05-28 | 中国船舶重工集团公司第七一一研究所 | Plate-shell type middle fluid type gasifier |
| CN104197736A (en) * | 2014-09-09 | 2014-12-10 | 浙江建业化工股份有限公司 | Solvent regeneration tower top condensing system and lamella heat exchanger used in same |
| CN104197736B (en) * | 2014-09-09 | 2016-06-22 | 浙江建业化工股份有限公司 | Solvent regeneration tower tower top condensing system and lamella heat exchanger used |
| CN109716012A (en) * | 2016-08-02 | 2019-05-03 | Wga水环球公司 | Regasification plant |
| CN109716012B (en) * | 2016-08-02 | 2021-09-14 | Wga水环球公司 | Regasification plant |
| CN106545935A (en) * | 2016-10-27 | 2017-03-29 | 航天科工哈尔滨风华有限公司 | A kind of air conditioning system with intermediate medium gasifier as low-temperature receiver |
| CN106545935B (en) * | 2016-10-27 | 2019-07-05 | 航天科工哈尔滨风华有限公司 | It is a kind of using intermediate medium gasifier as the air-conditioning system of cold source |
| CN110382347A (en) * | 2017-03-06 | 2019-10-25 | 株式会社神户制钢所 | Marine floating type facility |
| CN111902672A (en) * | 2018-03-30 | 2020-11-06 | 株式会社神户制钢所 | Intermediate medium type gasifier |
| CN111902672B (en) * | 2018-03-30 | 2022-03-11 | 株式会社神户制钢所 | Intermediate medium type gasifier |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151113 Address after: 201108 Shanghai city Minhang District Huaning Road No. 3111 Building 1 room 629 Patentee after: SHANGHAI QIYAO HEAVY INDUSTRY CO.,LTD. Address before: Huaning road 201108 Shanghai city Minhang District Shanghai City No. 3111 Patentee before: Shanghai Marine Diesel Engine Research Institute |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151223 Address after: 201108 Shanghai city Minhang District Huaning Road No. 3111 Patentee after: Shanghai Marine Diesel Engine Research Institute Address before: 201108 Shanghai city Minhang District Huaning Road No. 3111 Building 1 room 629 Patentee before: SHANGHAI QIYAO HEAVY INDUSTRY CO.,LTD. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140827 |