CN109323351A - A kind of thermal evaporation formula humidifier - Google Patents
A kind of thermal evaporation formula humidifier Download PDFInfo
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- CN109323351A CN109323351A CN201710641509.8A CN201710641509A CN109323351A CN 109323351 A CN109323351 A CN 109323351A CN 201710641509 A CN201710641509 A CN 201710641509A CN 109323351 A CN109323351 A CN 109323351A
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- water
- water tank
- thermal evaporation
- methanol
- evaporation formula
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F6/00—Air-humidification, e.g. cooling by humidification
- F24F6/02—Air-humidification, e.g. cooling by humidification by evaporation of water in the air
- F24F6/08—Air-humidification, e.g. cooling by humidification by evaporation of water in the air using heated wet elements
- F24F6/10—Air-humidification, e.g. cooling by humidification by evaporation of water in the air using heated wet elements heated electrically
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
- C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
- C01B3/32—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air
- C01B3/323—Catalytic reaction of gaseous or liquid organic compounds other than hydrocarbons with gasifying agents
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/0008—Control or safety arrangements for air-humidification
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/06—Combination of fuel cells with means for production of reactants or for treatment of residues
- H01M8/0606—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants
- H01M8/0612—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants from carbon-containing material
- H01M8/0618—Reforming processes, e.g. autothermal, partial oxidation or steam reforming
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/02—Processes for making hydrogen or synthesis gas
- C01B2203/0205—Processes for making hydrogen or synthesis gas containing a reforming step
- C01B2203/0227—Processes for making hydrogen or synthesis gas containing a reforming step containing a catalytic reforming step
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/06—Integration with other chemical processes
- C01B2203/066—Integration with other chemical processes with fuel cells
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/12—Feeding the process for making hydrogen or synthesis gas
- C01B2203/1205—Composition of the feed
- C01B2203/1211—Organic compounds or organic mixtures used in the process for making hydrogen or synthesis gas
- C01B2203/1217—Alcohols
-
- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
-
- 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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Electrochemistry (AREA)
- Inorganic Chemistry (AREA)
- Sustainable Energy (AREA)
- Sustainable Development (AREA)
- Manufacturing & Machinery (AREA)
- Fuel Cell (AREA)
- Hydrogen, Water And Hydrids (AREA)
Abstract
The invention is related to a kind of thermal evaporation formula humidifier, it applies to methanol-water reforming hydrogen producing technology in thermal evaporation formula humidifier, the hydrogen of methanol-water reforming hydrogen production device output during reforming reaction is sent into fuel cell and carries out combustion power generation, the electricity supply heating resistor and exhaust fan that combustion power generation generates make thermal evaporation formula humidifier can indoor or outdoors use by self-powered mode；Since the hydrogen and carbon dioxide of output all belong to high-temperature gas to methanol-water reforming hydrogen production device during reforming reaction, during this part high-temperature gas circulates in the appendix through water tank, it transfers thermal energy in the water in water tank, to mitigate the work load of heating resistor, alloing the output power of heating resistor reduces, and energy consumption is reduced；It is re-fed into water tank after the water recycling filtering that combustion power generation generates, so that thermal evaporation formula humidifier is formed an energy-saving and environmental protection, recyclable system, resource utilization is high.
Description
Technical field
The invention is related to a kind of thermal evaporation formula humidifier.
Background technique
Thermal evaporation formula humidifier is a kind of household electrical appliance for increasing room humidity, its working principle is that being arranged in humidifier
Then water is heated to boiling point with heating resistor, generates vapor, then sent out steam with exhaust fan by water tank.Due to water tank
Air pressure inside is pumped into negative pressure by exhaust fan in advance, so that the boiling point of water reduces, thus the vapor come out is not up to 100 degree,
It will not hurt sb.'s feelings.It is convenient that thermal evaporation formula humidifier manufactures very simple, but the disadvantage is that energy consumption is larger, thus, if thermal evaporation formula adds
Wet device takes electricity using built-in power, and the working time is shorter, and user needs frequent charge, poor using sense organ.If but thermal evaporation formula adds
Wet device uses from power grid and takes electricity, then for thermal evaporation formula humidifier first is that can be limited by socket position, indoor placement is limited；Second is that heat is steamed
Hairdo humidifier can not outdoor application, application range is limited.
Summary of the invention
The purpose of the invention is to improve shortcoming in the prior art, and providing one kind, low energy consumption and can outdoor application
Thermal evaporation formula humidifier.
The purpose of the invention is achieved through the following technical solutions:
A kind of thermal evaporation formula humidifier, including water tank are provided, water tank bottom, which is equipped with heating resistor, to be come the water heating in water tank
At vapor, tank top is equipped with exhaust fan vapor is discharged, so that water tank maintains pressure condition of doing something in a fit of pique, it further include methanol-water weight
Whole device for producing hydrogen and fuel cell, in which:
Methanol-water reforming hydrogen production device is used to carry out reforming reaction to methanol-water to generate the hydrogen of high temperature and the titanium dioxide of high temperature
Carbon, and the hydrogen appendix through water tank is equipped with the hydrogen of high temperature is conveyed to fuel cell, and is equipped with two through water tank
Carbonoxide appendix is discharged outside to the carbon dioxide of high temperature；
Fuel cell is used to the hydrogen generated in methanol-water reforming hydrogen production device be electrochemically reacted generation electricity with oxygen
Energy and water, and be equipped with water out and generated water is exported to water tank, and be equipped with feeder ear and generated electric energy is supplied respectively to
Above-mentioned heating resistor and exhaust fan.
Further, further include the nozzle being connect with the gas outlet of exhaust fan, the spout of nozzle upward, the air intake of nozzle
Diameter is greater than its steam caliber.
It further, further include control chip and temperature sensor, control chip is electrically connected temperature sensor and pumping
Blower, the temperature information that temperature sensor acquires vapor in water tank give control chip, and control chip detects temperature information height
Exhausting amount is increased in preset temperature control exhaust fan.
Further, further include water level sensor and warning device, water level sensor and warning device respectively with control core
Piece electrical connection, water level sensor acquires the water level information in water tank, and is transmitted to control chip, and control chip detects water
Position information then controls warning device lower than preset water level and outwardly issues alarm signal.
It further, further include the humidity sensor being electrically connected with control chip, humidity sensor acquires indoor humidity letter
It ceases and gives control chip, control chip detects that humidity information is higher than default humidity and stops heating resistor and methanol-water reformation hydrogen production
Device work.
It further, further include the water filter of water desalination and/or filtering for fuel cell to be generated, water filter
It is serially connected between the water out of fuel cell and water tank.
Further, the methanol-water reforming hydrogen production device is equipped with the carbon molecules for hydrogen and carbon dioxide separation to be opened
Sieve.
The invention the utility model has the advantages that
The invention is applied to methanol-water reforming hydrogen producing technology in thermal evaporation formula humidifier, by methanol-water reformation hydrogen production
The hydrogen of device output during reforming reaction, which is sent into fuel cell, carries out combustion power generation, the electricity supply that combustion power generation generates
Heating resistor and exhaust fan make thermal evaporation formula humidifier can indoor or outdoors use by self-powered mode；Due to methanol
Water reforming hydrogen production device hydrogen and carbon dioxide of output during reforming reaction all belongs to high-temperature gas, this part high-temperature gas
During circulation in the appendix through water tank, transfer thermal energy in the water in water tank, to mitigate heating resistor
Work load reduces the output power of heating resistor, and energy consumption is reduced；After the water recycling filtering that combustion power generation generates again
It is sent into water tank, thermal evaporation formula humidifier is made to form an energy-saving and environmental protection, recyclable system, resource utilization is high.
Detailed description of the invention
Innovation and creation are described further using attached drawing, but the embodiment in attached drawing does not constitute and appoints to the invention
What is limited, for those of ordinary skill in the art, without creative efforts, can also be according to the following drawings
Obtain other attached drawings.
Fig. 1 is a kind of structural schematic diagram of thermal evaporation formula humidifier.
Fig. 2 is the structural schematic diagram of methanol-water reforming hydrogen production device.
Specific embodiment
As shown in Figure 1, the ontology of thermal evaporation formula humidifier is built-in with water tank 1,1 bottom of water tank is equipped with heating resistor 2
Water in water tank 1 is heated into vapor, is equipped with exhaust fan 3 at the top of water tank 1 vapor is discharged.The side of water tank 1 is equipped with first
The other side of alcohol water reforming hydrogen production device 4, water tank 1 is equipped with fuel cell 5, wherein methanol-water reforming hydrogen production device 4, which is equipped with, to be run through
Water tank 1 to be connected to extraneous carbon dioxide appendix 461, carbon dioxide appendix 461 by methanol-water reforming hydrogen production device 4 into
The high temperature carbon dioxide that row reforming reaction generates is discharged outside to, during discharge, in high temperature carbon dioxide and water tank 1
Water carries out heat exchange.Methanol-water reforming hydrogen production device 4 is additionally provided with the hydrogen appendix that fuel cell 5 is connected to through water tank 1
462, methanol-water reforming hydrogen production device 4 is carried out reforming reaction generation high-temperature hydrogen and is delivered to fuel cell by hydrogen appendix 462
5, for 5 combustion power generation of fuel cell, equally, high-temperature hydrogen also carries out hot friendship with the water in water tank 1 during transported
It changes.
Further, the top of exhaust fan 3 is equipped with the nozzle 8 of spout upward, the gas outlet company of the nozzle 8 and exhaust fan 3
It connects, the air intake diameter of nozzle 8 is greater than its steam caliber, so that vapor is empty to indoor top by high speed ejection as gusher
Between, make vapor be easier to diffuse to indoor everywhere, to all humidify to indoor every nook and cranny.
Further, it is additionally provided with control chip and temperature sensor 71 on the ontology of thermal evaporation formula humidifier, controls chip
It is electrically connected temperature sensor 71 and exhaust fan 3, temperature sensor 71 is placed in the top end part of 1 inner sidewall of water tank, with acquisition
The temperature information of vapor in water tank 1.Temperature information is transferred to control chip by electric wire, and control chip detects temperature information
When higher than preset temperature, illustrate that the temperature of vapor itself is higher, i.e., negative pressure is inadequate in water tank 1, so that the water boiling point in water tank 1
It increases, controls chip controls exhaust fan 3 at this time and increase exhausting amount, to enhance negative pressure in water tank 1, reduce water boiling point.
Further, it pressure type water level sensor 73 and is made of combined aural and visual alarm on the ontology of thermal evaporation formula humidifier
Warning device, water level sensor 73 and warning device are electrically connected with control chip respectively, and water level sensor 73 is placed in water tank 1
Bottom is acquired the water level information in water tank 1 by hydraulic pressure, and water level information is transferred to control chip, control chip detection
It is lower than preset water level to water level information, then combined aural and visual alarm bright light and sounding is controlled, outwardly to issue alarm signal.Wherein,
Combined aural and visual alarm is made of buzzer and LED light.
Further, ontology further includes the humidity sensor 72 being electrically connected with control chip, and humidity sensor 72 is far from spray
Mouth 8, and be set on the lateral wall of ontology, control chip is given with humidity information in collection room, control chip detects humidity information
Stop heating resistor 2 higher than default humidity and methanol-water reforming hydrogen production device 4 works.
Further, a water filter 6 is concatenated between the water out of fuel cell 5 and water tank 1, water filter 6
The water conservancy that fuel cell 5 generates carries out desalination with electrodeionization technology (EDI), recycles hyperfiltration technique (UF) to the water after desalination
Be filtered, filtered water by water filter 6 be sent into water tank 1 in, made thermal evaporation formula humidifier formed an energy-saving and environmental protection,
Recyclable system, resource utilization are high.
Such as Fig. 2, methanol-water reforming hydrogen production device 4 is by the methanol-water matching device 41, methanol water pot 42, vaporization that sequentially connect
Superheater 43, reformer 44, purifying column 45 and carbon molecular sieve 46 are constituted, and methanol-water matching device 41 is fetched water from water filter 6.
In use, filtered water is admitted to methanol-water matching device 41 to dilute methanol stoste, specifically by water filter 6
Ground methanol-water matching device 41 is matched methanol stoste and water in the ratio of 1:0.8, and the methanol-water for matching out is sent into first
It is stored in alcohol water pot 42.Superheater 43 is vaporized when needing and obtains methanol-water from methanol water pot 42, and by being built in vapour
The high temperature heat conductive oil changed in superheater 43 heats methanol-water, the methanol-water after heating be transported in reformer 44 into
Row reforming reaction.Specifically, reformer 44 controls its internal temperature between 250-300 DEG C, and pressure is controlled in 1-5MPa
Between, after methanol-water is admitted to reformer 44, by catalyst under conditions of fixed temperature and fixation pressure, in catalyst
Effect is lower to occur following reaction: CH3OH+H2O=CO2+3H2, mixed to generate the high temperature as made of hydrogen and carbon dioxide mix
Close gas.This part high-temperature mixed gas is reformed after device 44 is discharged and is admitted to purifying column 45, the built-in desalination of purifying column 45
Water carries out washing to methanol contained in high-temperature mixed gas to remove methanol contained in high-temperature mixed gas.After washing
High-temperature mixed gas opens the hydrogen of high temperature and the carbon dioxide separation of high temperature by carbon molecular sieve 46, and wherein carbon dioxide is run through
The carbon dioxide appendix 461 of water tank 1 sends out that this is external, during discharge, water in high temperature carbon dioxide and water tank 1 into
Row heat exchange；Hydrogen is conveyed to fuel cell 5, high temperature by the hydrogen appendix 462 through water tank 1 by as power generation raw material
Hydrogen also carries out heat exchange with the water in water tank 1 during transported.After hydrogen reaches fuel cell 5, in fuel cell 5
Middle hydrogen generates electrochemical reaction: 2H in conjunction with from extraneous oxygen2+O2=2H2O produces electric energy and water.Wherein generate
Electric energy be respectively that heating resistor 2 and exhaust fan 3 are powered, realize self-powered, make humidifier can indoor or outdoors use.
The water of generation is transported to water filter 6 and carries out desalination, filtering, and filtered water is transported to gas and water mixer and methanol again
Water reforming hydrogen production device 4 is processed, and is realized and is recycled.
It should be noted that the temperature of the relatively sorrow of conduction oil is 270 degree, in this way, by the methanol-water after heat-conducting oil heating
Temperature can will not generate the violent variation of temperature close to the temperature of reformer 44, methanol-water during being sent into reformer 44.
Finally it should be noted that above embodiments are only to illustrate the technical solution of the invention, rather than to this hair
It is bright create protection scope limitation, although being explained in detail referring to preferred embodiment to the invention, this field it is general
Lead to it will be appreciated by the skilled person that can be modified or replaced equivalently to the technical solution of the invention, without departing from this
The spirit and scope of innovation and creation technical solution.
Claims (8)
1. a kind of thermal evaporation formula humidifier, including water tank, water tank bottom is equipped with heating resistor the water in water tank is heated into
Vapor, tank top are equipped with exhaust fan vapor is discharged, so that water tank maintains pressure condition of doing something in a fit of pique, it is characterised in that further include
Methanol-water reforming hydrogen production device and fuel cell, in which:
Methanol-water reforming hydrogen production device is used to carry out reforming reaction to methanol-water to generate the hydrogen of high temperature and the titanium dioxide of high temperature
Carbon, and the hydrogen appendix through water tank is equipped with the hydrogen of high temperature is conveyed to fuel cell, and is equipped with two through water tank
Carbonoxide appendix is discharged outside to the carbon dioxide of high temperature；
Fuel cell is used to the hydrogen generated in methanol-water reforming hydrogen production device be electrochemically reacted generation electricity with oxygen
Energy and water, and be equipped with water out and generated water is exported to water tank, and be equipped with feeder ear and generated electric energy is supplied respectively to
Above-mentioned heating resistor and exhaust fan.
2. a kind of thermal evaporation formula humidifier according to claim 1, it is characterized in that: further including connecting with the gas outlet of exhaust fan
The nozzle connect, upward, the air intake diameter of nozzle is greater than its steam caliber to the spout of nozzle.
3. a kind of thermal evaporation formula humidifier according to claim 1, it is characterized in that: further including control chip and temperature sensing
Device, control chip are electrically connected temperature sensor and exhaust fan, and temperature sensor acquires the temperature information of vapor in water tank
Control chip is given, control chip detects that temperature information is higher than preset temperature control exhaust fan and increases exhausting amount.
4. a kind of thermal evaporation formula humidifier according to claim 3, it is characterized in that: further including water level sensor and alarm dress
It sets, water level sensor and warning device are electrically connected with control chip respectively, and water level sensor acquires the water level information in water tank, and
It is transmitted to control chip, control chip detects that water level information then controls warning device lower than preset water level and outwardly issues
Alarm signal.
5. a kind of thermal evaporation formula humidifier according to claim 4, it is characterized in that: the warning device is sound-light alarm
Device.
6. a kind of thermal evaporation formula humidifier according to claim 4, it is characterized in that: further including being electrically connected with control chip
Humidity sensor, humidity information gives control chip in humidity sensor collection room, and it is pre- that control chip detects that humidity information is higher than
If humidity stops heating resistor and the work of methanol-water reforming hydrogen production device.
7. a kind of thermal evaporation formula humidifier according to claim 6, it is characterized in that: further including for fuel cell to be generated
Water desalination and/or filtering water filter, water filter is serially connected between the water out of fuel cell and water tank.
8. a kind of thermal evaporation formula humidifier according to claim 1, it is characterized in that: the methanol-water reforming hydrogen production device is set
There is the carbon molecular sieve for hydrogen and carbon dioxide separation to be opened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710641509.8A CN109323351A (en) | 2017-07-31 | 2017-07-31 | A kind of thermal evaporation formula humidifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710641509.8A CN109323351A (en) | 2017-07-31 | 2017-07-31 | A kind of thermal evaporation formula humidifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109323351A true CN109323351A (en) | 2019-02-12 |
Family
ID=65245056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710641509.8A Withdrawn CN109323351A (en) | 2017-07-31 | 2017-07-31 | A kind of thermal evaporation formula humidifier |
Country Status (1)
| Country | Link |
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| CN (1) | CN109323351A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110107977A (en) * | 2019-04-28 | 2019-08-09 | 成都同创紫气科技有限公司 | A kind of diaphragm type humidifier and its component, system and working method |
| CN113229157A (en) * | 2021-05-26 | 2021-08-10 | 深圳净拓生物科技有限公司 | Aseptic animal isolator |
| CN115414808A (en) * | 2022-09-19 | 2022-12-02 | 浙江大学 | Shell and tube steam humidifier |
-
2017
- 2017-07-31 CN CN201710641509.8A patent/CN109323351A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110107977A (en) * | 2019-04-28 | 2019-08-09 | 成都同创紫气科技有限公司 | A kind of diaphragm type humidifier and its component, system and working method |
| CN113229157A (en) * | 2021-05-26 | 2021-08-10 | 深圳净拓生物科技有限公司 | Aseptic animal isolator |
| CN113229157B (en) * | 2021-05-26 | 2022-06-28 | 深圳净拓生物科技有限公司 | Aseptic animal isolator |
| CN115414808A (en) * | 2022-09-19 | 2022-12-02 | 浙江大学 | Shell and tube steam humidifier |
| CN115414808B (en) * | 2022-09-19 | 2024-05-28 | 浙江大学 | Shell-and-tube type water vapor humidifier |
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Application publication date: 20190212 |
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