CN109838928A - The salt method of note for the first time of high-temperature molten salt heat collecting field and hot salt cellar - Google Patents
The salt method of note for the first time of high-temperature molten salt heat collecting field and hot salt cellar Download PDFInfo
- Publication number
- CN109838928A CN109838928A CN201710805553.8A CN201710805553A CN109838928A CN 109838928 A CN109838928 A CN 109838928A CN 201710805553 A CN201710805553 A CN 201710805553A CN 109838928 A CN109838928 A CN 109838928A
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- temperature
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- molten salt
- hot
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Links
- 150000003839 salts Chemical class 0.000 title claims abstract description 117
- 238000000034 method Methods 0.000 title claims description 9
- 239000007788 liquid Substances 0.000 claims abstract description 15
- 238000005259 measurement Methods 0.000 claims abstract description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 26
- 239000007789 gas Substances 0.000 claims description 26
- 238000010438 heat treatment Methods 0.000 claims description 24
- 230000007246 mechanism Effects 0.000 claims description 14
- 229910052757 nitrogen Inorganic materials 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 4
- 230000002159 abnormal effect Effects 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 3
- 239000000567 combustion gas Substances 0.000 claims description 2
- 235000019608 salt taste sensations Nutrition 0.000 abstract 1
- 238000005273 aeration Methods 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention discloses a kind of high-temperature molten salt heat collecting fields, including hot tank, the hot tank includes tank body, be formed in top of the tank side into Yan Kou, be formed in the exhaust outlet of the top of the tank other side, the exhaust ports be provided with exhaust valve, exhaust gas temperature sensor is provided at the valve port of the exhaust valve, meanwhile multiple temperature of molten salt sensors have been positioned apart from along short transverse in the tank body, the top of the tank is provided with radar level gauge.Hot tank of the invention, the measurement of liquid level is combined using multiple temperature of molten salt sensors and radar level gauge, efficiently solve the problems, such as measurement accuracy, difference based on gas temperature in temperature of molten salt and tank, it can be achieved to obtain liquid level while temperature of molten salt sensing, provide reference for the working condition to radar level gauge, simultaneously, exhaust valve is set in the exhaust ports, so as to guaranteeing scheduled air pressure in tank body.
Description
Technical field
The present invention relates to photo-thermal electro-technical fields, more particularly to a kind of high-temperature molten salt heat collecting field and the note for the first time of hot salt cellar
Salt method.
Background technique
It in the prior art, include two groups of groove type heat collectors, salt using the solar parabolic through power generation system of medium of fused salt
Water- to-water heat exchanger, steam turbine generator, cold tank, hot tank and row's melting salt system；Groove type heat collector is by multiple independent pilot trench formula thermal-arrests
Device composition, each sub- groove type heat collector includes the trailing arm that can be rotatably set on pedestal, by the reflection of trailing arm positioning support
Silver mirror, the thermal-collecting tube for being fixedly connected with the trailing arm and being set to reflection silver mirror focal point, every group of groove type heat collector it is multiple
The thermal-collecting tube of sub- groove type heat collector is sequentially connected in series, and the parallel front and back setting of two groups of groove type heat collectors, one end is connected by bridge section connecting tube
Leading in succession, the other end is connected to by pipeline with cold tank or hot tank respectively, while hot tank is connected to via after brine heat exchanger with cold tank, with
This constitutes circuit.
But existing heat collecting field, because place is big, round-trip length reaches 800m, in note salt for the first time, hot tank be will lead to many
How problem designs heat collecting field and efficiently accomplishes hot tank and infuse salt for the first time as urgent problem.
Summary of the invention
In view of the technical drawbacks of the prior art, it is an object of the present invention to provide a kind of high-temperature molten salt heat collecting field and
The salt method of note for the first time of hot salt cellar.
The technical solution adopted to achieve the purpose of the present invention is:
A kind of high-temperature molten salt heat collecting field, including hot tank, the hot tank includes tank body, be formed in top of the tank side into
Salt mouth is formed in the exhaust outlet of the top of the tank other side, the exhaust ports is provided with exhaust valve, in the exhaust valve
Valve port at be provided with exhaust gas temperature sensor, meanwhile, be positioned apart from the tank body along short transverse multiple molten
Salt temperature sensor is provided with radar level gauge in the top of the tank.
It further include the cold tank being sequentially communicated, the first groove type heat collector, bridge section connecting tube, the second groove type heat collector, it is described
Hot tank is connected into salt mouth with second groove type heat collector by the road, first groove type heat collector and the second slot type collection
Hot device respectively includes multiple sub- groove type heat collectors, between the thermal-collecting tube of the sub- groove type heat collector and thermal-collecting tube and cold tank or
The rotary joint by being connected to via high-temperature bellow is respectively set between hot tank, in the connecting pin that the high-temperature bellow is connected to point
It is not provided with infrared temperature sensor to sense fused salt leakage.
Gas flowmeter is additionally provided in the exhaust side.
The infrared sensor, radar level gauge, temperature of molten salt sensor, exhaust gas temperature sensor respectively with distribution
Control system communication link.
The salt outlet of the hot tank is optionally connected to heat exchange mechanisms or cold tank through hot salt pump and pipeline, and described changes
Fused salt after the heat exchange of heat engine structure, which alternatively enters cold tank or is directly accessed the outlet side of cold salt pump, is directly entered Jing Chang.
Bottom is provided with heating coil in the hot tank, rabbling mechanism is provided in the tank body, described
Heating coil lower part is provided with nitrogen injection port, and the nitrogen injection port is connected to through inverted U Guan Houyu elevated pressure nitrogen gas source, described
Inverted U pipe highest point be higher than the tank body.
The heating coil is heated by gas furnace, meanwhile, it is serially connected in the U-tube by the gas furnace
The gas heating tube of heating.
Rabbling mechanism is additionally provided in the tank body.
A kind of salt method of note for the first time of the hot salt cellar of the high-temperature molten salt heat collecting field, which is characterized in that
1) initial flow be predetermined amount of flow 50%, hot tank temperature is gradually increased, when liquid level reach 300 millimeters with
When upper, start hot tank heating coil, and maintains hot salt temperature；
2) whether the liquid level that detection temperature of molten salt sensor is shown is consistent with radar level gauge measurement result,
3) when the difference that the subsurface temperature of molten salt sensor of fused salt occurs is more than threshold value, high pressure nitrogen is injected into tank body
Bottom cooperation rabbling mechanism is simultaneously stirred；
4) it alarms if gas temperature sensor temperature value or pressure sensor pressure value are abnormal.
When the temperature into the side Yan Kou is less than constant temperature reduction in predetermined value or tank body, switching fused salt is directly entered cold
Tank.
Compared with prior art, the beneficial effects of the present invention are:
Hot tank of the invention mutually ties the measurement of liquid level using multiple temperature of molten salt sensors with radar level gauge
It closes, efficiently solves the problems, such as measurement accuracy, the difference based on gas temperature in temperature of molten salt and tank is, it can be achieved that temperature of molten salt senses
While obtain liquid level, provide reference for the working condition to radar level gauge, meanwhile, in the exhaust ports, exhaust is set
Valve prevents heat to be largely lost, and utilize the pressure of exhaust gas temperature sensor and tank body so as to guaranteeing scheduled air pressure in tank body
Power device corroborates each other between each parameter, it can be achieved that being vented whether be normally carried out judgement, to the normal operation of hot tank, especially infuses
Smooth and real-time oversight when salt carries out provides convenience.
Detailed description of the invention
Fig. 1 show the structural schematic diagram of high-temperature molten salt heat collecting field of the invention.
Fig. 2 show hot jar structure signal of the invention.
Specific embodiment
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.It should be appreciated that described herein
Specific embodiment be only used to explain the present invention, be not intended to limit the present invention.
High-temperature molten salt heat collecting field of the invention, including hot tank 1, the hot tank includes tank body 10, is formed in top of the tank
Side into salt mouth 11, be formed in the exhaust outlet 12 of the top of the tank other side, the exhaust ports be provided with exhaust valve,
Exhaust gas temperature sensor 13 is provided at the valve port of the exhaust valve, meanwhile, along short transverse interval in the tank body
Ground is provided with multiple temperature of molten salt sensors 14, and the top of the tank is provided with radar level gauge 15.
Hot tank of the invention mutually ties the measurement of liquid level using multiple temperature of molten salt sensors with radar level gauge
It closes, efficiently solves the problems, such as measurement accuracy, the difference based on gas temperature in temperature of molten salt and tank is, it can be achieved that temperature of molten salt senses
While obtain liquid level, provide reference for the working condition to radar level gauge, meanwhile, in the exhaust ports, exhaust is set
Valve prevents heat to be largely lost, and utilize the pressure of exhaust gas temperature sensor and tank body so as to guaranteeing scheduled air pressure in tank body
Power device corroborates each other between each parameter, it can be achieved that being vented whether be normally carried out judgement, to the normal operation of hot tank, especially infuses
Smooth and real-time oversight when salt carries out provides convenience.
It further include the cold tank 2 being sequentially communicated, the first groove type heat collector 3, bridge section connecting tube 4, the second groove type heat collector 5, institute
The hot tank stated is connected into salt mouth with second groove type heat collector by the road, first groove type heat collector and the second slot
Formula heat collector respectively includes multiple sub- groove type heat collectors, between the thermal-collecting tube of the sub- groove type heat collector and thermal-collecting tube with it is cold
The rotary joint by being connected to via high-temperature bellow is respectively set between tank or hot tank, in the connection that the high-temperature bellow is connected to
End is respectively arranged with infrared temperature sensor to sense fused salt leakage.
It is connected using high-temperature bellow, while keeping relatively rotating between guaranteeing adjacent elements, meanwhile, in junction etc.
Easy leakage point is monitored using infrared temperature sensor, realizes detection pair using the temperature difference of temperature of molten salt and pipeline external
Than improving its intelligent, optional IRTP-500LS of the infrared temperature sensor for the equipment of long-play
Infrared temperature sensor can sense up to 500 high temperature, sensed to opposite ground etc. and set corresponding temperature
Degree threshold value is alarmed.And infrared temperature sensor detection range is big, can also pass through temperature when there is the problems such as local booster
Degree changes and perceives.
Further, to improve the monitoring effect during infusing salt, gas flow is additionally provided in the exhaust side
Meter carries out comparing by gas flowmeter and flow rate of molten salt meter, analyzes leak source and operating condition.
The infrared sensor, radar level gauge, temperature of molten salt sensor, exhaust gas temperature sensor respectively with distribution
Control system communication link.Dcs is to control multiple control loops in production process respectively by multiple stage computers,
It can concentrate again simultaneously and obtain data, centralized management and central controlled automatic control system.This decentralized control mode energy
Improve control reliability, will not due to computer failure and keep whole system out of hand.When management level breaks down,
Process control level (control loop) still has independent control ability, and the overall situation will not be also influenced when unit control circuit is broken down.
Compared with Multilevel computer control systems, dcs is more flexible in structure, is laid out more reasonable and cost more
It is low.
The salt outlet of the hot tank is optionally connected to heat exchange mechanisms or cold tank through hot salt pump and pipeline, and described changes
Fused salt after the heat exchange of heat engine structure, which alternatively enters cold tank or is directly accessed the outlet side of cold salt pump, is directly entered Jing Chang.
Bottom is provided with heating coil 16 in the hot tank, rabbling mechanism is provided in the tank body, described
Heating coil lower part be provided with nitrogen injection port, the nitrogen injection port connects after inverted U pipe 17 with elevated pressure nitrogen gas source 18
Logical, the highest point of the inverted U pipe is higher than the tank body or at least above tank body highest liquid level, at least a Duan Shuzhi
Section or two vertical sections so both reheat nitrogen using the intracorporal temperature of tank, Er Qiewei in tank interior
Improve aeration stirring effect, the tank base is provided be connected to the inverted U tube end more and manipulates stock quotations or rice word
Shape pipe support is provided with multiple stomatas on the branch pipe of pipe support.The heating coil is heated by gas furnace, meanwhile, it is described
U-tube on be serially connected with by the gas heating tube of the combustion gas stove heating.Meanwhile stirring is additionally provided in the tank body
Mechanism.
When infusing salt progress, the temperature of molten salt initially entered is relatively low and temperature drop is fast, to avoid the bottom temperature difference big, described
Heat pipe bottom be provided with heating coil, the heating coil can be used the mode of electric heating or gas heating, draw simultaneously
The aeration type rabbling mechanism entered is promoted fused salt heat exchange in tank body using nitrogen, prevents from solidifying, and designed using inverted U pipe,
Also fused salt is avoided to flow backwards.And carry out aeration type using the nitrogen after heating and seethe cooperation rabbling mechanism, such as stirrer paddle, effectively
The phenomenon that avoiding the occurrence of local solidification improves fused salt utilization rate.
The salt method of note for the first time of the hot salt cellar of high-temperature molten salt heat collecting field, includes the following steps,
1) since hot tank temperature is low, so the hot salt flow into hot tank is answered small, initial flow is predetermined amount of flow
50%, hot tank temperature is gradually increased, when liquid level reaches 300 millimeters or more, starts hot tank heating coil, maintain hot salt
Temperature；
2) whether the liquid level that detection temperature of molten salt sensor is shown is consistent with radar level gauge measurement result,
3) when the difference that the subsurface temperature of molten salt sensor of fused salt occurs is more than threshold value, high pressure nitrogen is injected into tank body
Bottom cooperation rabbling mechanism is simultaneously stirred；
4) it alarms if gas temperature sensor temperature value or pressure sensor pressure value are abnormal.
Exception refers to gas temperature sensor temperature far below temperature of molten salt sensor more than the fused salt liquid level
Average value, lower than 20 degrees Celsius or more or pressure sensor senses tank body internal pressure intense anomaly, provides double check, raising is set
The safety and stability of received shipment row.
Wherein, when the temperature into the side Yan Kou is less than constant temperature reduction in predetermined value or tank body, switching fused salt is direct
Into cold tank.
Salt cellar pot temperature cold first is heated to 300 DEG C or more using electric heater unit, and solid-state fused salt is filled by salt dissolving
It sets heating and generates 350 DEG C of liquid fused salt, be then injected into sloppy heat salt cellar, and start fused salt pipeline electric tracing and thermal-collecting tube joule adds
Heat is simultaneously put into automatically, and monitoring pipe temperature has to be larger than 300 DEG C, is sent after being pressurizeed using sloppy heat salt pump to the height after heat collecting field heating
Temperature molten salt, when heat collecting field outlet, temperature of molten salt reaches 400 DEG C, system automatically turns on heat collecting field to hot tank motor-driven valve, closes collection
For thermal field to cold tank motor-driven valve, high-temperature molten salt enters hot salt cellar, and temperature of molten salt reaches as high as 550 DEG C, and storage is to hot melt salt cellar, through heat
Temperature is down to 290 DEG C after fused salt is pumped to heat-exchange system heat exchange, finally flow to cold fused salt storage tank and forms circulation.
The above is only a preferred embodiment of the present invention, it is noted that for the common skill of the art
For art personnel, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications
Also it should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of high-temperature molten salt heat collecting field, which is characterized in that including hot tank, the hot tank includes tank body, is formed in tank body top
Portion side into Yan Kou, be formed in the exhaust outlet of the top of the tank other side, the exhaust ports be provided with exhaust valve, in institute
Exhaust gas temperature sensor is provided at the valve port for the exhaust valve stated, meanwhile, it is set in the tank body along short transverse compartment of terrain
Multiple temperature of molten salt sensors are equipped with, the top of the tank is provided with radar level gauge.
2. high-temperature molten salt heat collecting field as described in claim 1, which is characterized in that further include the cold tank being sequentially communicated, the first slot
Formula heat collector, bridge section connecting tube, the second groove type heat collector, the hot tank are passed through into salt mouth and second groove type heat collector
Pipeline connection, first groove type heat collector and the second groove type heat collector respectively include multiple sub- groove type heat collectors, described
It is respectively set between the thermal-collecting tube of sub- groove type heat collector and between thermal-collecting tube and cold tank or hot tank by being connected to via high-temperature bellow
Rotary joint, be respectively arranged with infrared temperature sensor in the connecting pin that the high-temperature bellow is connected to and let out with sensing fused salt
Dew.
3. high-temperature molten salt heat collecting field as described in claim 1, which is characterized in that be additionally provided with gas in the exhaust side
Flowmeter.
4. high-temperature molten salt heat collecting field as described in claim 1, which is characterized in that the infrared sensor, radar level gauge,
Temperature of molten salt sensor, exhaust gas temperature sensor respectively with dcs communication link.
5. high-temperature molten salt heat collecting field as described in claim 1, which is characterized in that the salt outlet of the hot tank through hot salt pump and
Pipeline is optionally connected to heat exchange mechanisms or cold tank, the fused salt after the heat exchange mechanisms heat exchange alternatively enter cold tank or
The outlet side that person is directly accessed cold salt pump is directly entered Jing Chang.
6. high-temperature molten salt heat collecting field as described in claim 1, which is characterized in that bottom is provided with heating dish in the hot tank
Pipe, is provided with rabbling mechanism in the tank body, the heating coil lower part is provided with nitrogen injection port, the nitrogen
Gas inlet is connected to through inverted U Guan Houyu elevated pressure nitrogen gas source, and the highest point of the inverted U pipe is higher than the tank body.
7. high-temperature molten salt heat collecting field as claimed in claim 6, which is characterized in that the heating coil is added by gas furnace
Heat, meanwhile, it is serially connected in the U-tube by the gas heating tube of the combustion gas stove heating.
8. high-temperature molten salt heat collecting field as described in claim 1, which is characterized in that be additionally provided with blender in the tank body
Structure.
9. the salt method of note for the first time of the hot salt cellar such as the described in any item high-temperature molten salt heat collecting fields of claim 1-8, feature exist
In,
1) initial flow is the 50% of predetermined amount of flow, hot tank temperature is gradually increased, when liquid level reaches 300 millimeters or more
When, start hot tank heating coil, maintains hot salt temperature；
2) whether the liquid level that detection temperature of molten salt sensor is shown is consistent with radar level gauge measurement result,
3) when the difference that the subsurface temperature of molten salt sensor of fused salt occurs is more than threshold value, high pressure nitrogen is injected into tank base
Cooperation rabbling mechanism is simultaneously stirred；
4) it alarms if gas temperature sensor temperature value or pressure sensor pressure value are abnormal.
10. as claimed in claim 9 for the first time infuse salt method, which is characterized in that when into the side Yan Kou temperature be less than predetermined value or
When constant temperature reduces in person's tank body, switching fused salt is directly entered cold tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710805553.8A CN109838928B (en) | 2017-09-08 | 2017-09-08 | First salt injection method of high-temperature molten salt heat collection field and hot salt tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710805553.8A CN109838928B (en) | 2017-09-08 | 2017-09-08 | First salt injection method of high-temperature molten salt heat collection field and hot salt tank |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109838928A true CN109838928A (en) | 2019-06-04 |
| CN109838928B CN109838928B (en) | 2024-08-20 |
Family
ID=66875753
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710805553.8A Active CN109838928B (en) | 2017-09-08 | 2017-09-08 | First salt injection method of high-temperature molten salt heat collection field and hot salt tank |
Country Status (1)
| Country | Link |
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| CN (1) | CN109838928B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023124275A1 (en) * | 2021-12-27 | 2023-07-06 | 哈尔滨汽轮机厂辅机工程有限公司 | Storage tank for large-scale molten salt energy storage |
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| US20160363384A1 (en) * | 2015-06-11 | 2016-12-15 | John Potee Whitney | Molten-salt-heated indirect screw-type thermal processor |
| CN206420541U (en) * | 2016-12-02 | 2017-08-18 | 杭州电子科技大学 | A kind of liquid level sensor device for detecting performance |
| CN207422702U (en) * | 2017-09-08 | 2018-05-29 | 甘肃光热发电有限公司 | high-temperature molten salt heat collecting field |
-
2017
- 2017-09-08 CN CN201710805553.8A patent/CN109838928B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS602845A (en) * | 1983-06-20 | 1985-01-09 | Fuji Electric Co Ltd | Solar heat collecting system |
| CN102119083A (en) * | 2008-08-11 | 2011-07-06 | 惠普开发有限公司 | Verifying a maintenance process on a print head |
| CN104302385A (en) * | 2012-04-27 | 2015-01-21 | 艾卡工厂有限及两合公司 | Magnetic stirrer with a temperature measuring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023124275A1 (en) * | 2021-12-27 | 2023-07-06 | 哈尔滨汽轮机厂辅机工程有限公司 | Storage tank for large-scale molten salt energy storage |
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| Publication number | Publication date |
|---|---|
| CN109838928B (en) | 2024-08-20 |
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