CN105362008A - ICU (intensive care unit) electric hospital bed driven by hydrogen produced from methanol-water - Google Patents
ICU (intensive care unit) electric hospital bed driven by hydrogen produced from methanol-water Download PDFInfo
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- CN105362008A CN105362008A CN201510658349.9A CN201510658349A CN105362008A CN 105362008 A CN105362008 A CN 105362008A CN 201510658349 A CN201510658349 A CN 201510658349A CN 105362008 A CN105362008 A CN 105362008A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
- A61G7/05—Parts, details or accessories of beds
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G2203/00—General characteristics of devices
- A61G2203/10—General characteristics of devices characterised by specific control means, e.g. for adjustment or steering
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Abstract
The invention discloses an ICU (intensive care unit) electric hospital bed driven by hydrogen produced from methanol-water. The ICU electric hospital bed comprises an ICU electric hospital bed body, a system for producing hydrogen by methanol and a hydrogen-drive power generating system; the system for producing hydrogen by methanol, the hydrogen-drive power generating system and the ICU electric hospital bed body are connected in sequence. Further, the ICU electric hospital bed body is provided with a bed frame, a bed board, a control unit, a motor and auxiliary equipment; the control unit is connected with the motor and the auxiliary equipment respectively. The system for producing hydrogen by methanol is particularly used for producing hydrogen by reforming vapor of methanol-water; high-purity hydrogen is produced under action of a membrane separation apparatus which is plated with palladium-silver alloy; produced hydrogen is then applied to generate electric power through the hydrogen-drive power generating system; and electric power generated is then provided for work of the ICU electric hospital bed body. The ICU electric hospital bed driven by hydrogen produced from methanol-water has the advantages that hydrogen produced from methanol serves as an energy source for the ICU electric hospital bed and the ICU electric hospital bed can be used on sites without alternative-current power; thus, application of the ICU electric hospital bed in the field of mobile medical treatment is developed and quality of mobile medical treatment is improved.
Description
Technical field
The invention belongs to articles for daily use technical field, relate to a kind of ICU electric hospital bed, particularly relate to a kind of water hydrogen ICU electric hospital bed.
Background technology
ICU sick bed, is commonly called as ICU nursing bed, and (abbreviation of ICU and IntensiveCareUnit) is exactly the nursing bed used in Intensive Care Unit.Serious symptom medical attendance is improvement along with the development of medical treatment and nursing specialty, the birth of novel medical device and hospital administrative structure and a kind of medical organization mode of management integrating modernization medical treatment and nursing technology occurred.ICU sick bed is the medical equipment of a kind of indispensability in center, ICU ward.
Existing ICU is electric hospital bed to be needed to plug alternating current and could work.And under many circumstances (as portable medical field), it is electric hospital bed that people wish also to use ICU out of doors.Existing ICU is electric hospital bed cannot complete this work.
In view of this, nowadays electric hospital bed in the urgent need to designing a kind of new ICU, to overcome the above-mentioned defect of the electric hospital bed existence of existing ICU.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of water hydrogen ICU electric hospital bed, Methanol can be utilized to obtain hydrogen gas generation as the electric hospital bed energy of ICU, can by electric hospital bed for ICU for there is no the place of alternating current, to allow, ICU is electric hospital bed to be used in portable medical field, improves the quality of medical care of portable medical.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of water hydrogen ICU is electric hospital bed, and described ICU is electric hospital bed to be comprised: the electric hospital bed body of ICU, hydrogen production by methanol system, hydrogen gas generating system, and the electric hospital bed body of hydrogen production by methanol system, hydrogen gas generating system, ICU connects successively; The electric hospital bed body of described ICU comprises electrical appliance part, and electrical appliance part is provided with connection cable, and connection cable is connected with hydrogen gas generating system;
The electric hospital bed body of described ICU comprises bedstead, bed board, control unit, motor, auxiliary facilities, and control unit connects motor, auxiliary facilities respectively; The electric hospital bed body of ICU is provided with connection cable, and connection cable is connected with hydrogen gas generating system;
Described hydrogen production by methanol system comprises hydrogen manufacturing subsystem, air pressure adjustment subsystem, Collection utilization subsystem, and hydrogen manufacturing subsystem, air pressure adjustment subsystem, hydrogen gas generating system, Collection utilization subsystem connect successively;
Described hydrogen manufacturing subsystem utilizes methanol-water to prepare hydrogen, and described hydrogen manufacturing subsystem comprises solid hydrogen storage capsule, liquid container, raw material conveying device, device for rapidly starting, hydrogen producer, membrane separation device;
Described hydrogen producer comprises heat exchanger, vaporizer, reformer chamber; Membrane separation device is arranged in separation chamber, and separation chamber is arranged at the inside of reformer chamber; Described solid hydrogen storage capsule, liquid container are connected with hydrogen producer respectively; Liquid first alcohol and water is stored in liquid container;
Described device for rapidly starting provides the startup energy for hydrogen producer; Described device for rapidly starting comprises the first starting drive, the second starting drive; Described first starting drive comprises the first heating arrangements, the first gasification pipe, and the internal diameter of the first gasification pipe is 1 ~ 2mm, and the first gasification pipe is closely wound on the first heating arrangements; One end of described first gasification pipe connects liquid container, sends in the first gasification pipe by raw material conveying device by methanol; The other end of the first gasification pipe exports vaporized methanol, then by ignition mechanism ignition; Or the other end of the first gasification pipe exports vaporized methanol, and the methanol temperature exported reaches self-ignition point, directly spontaneous combustion after methanol exports from the first gasification pipe; Described second starting drive comprises the second gasification pipe, the main body of the second gasification pipe is arranged at described reformer chamber, first gasification pipe is or/and the methanol that the second gasification pipe exports is heat the second gasification pipe, by the methanol gasifying in the second gasification pipe while reformer chamber heats; Described reformer chamber inwall is provided with heating pipe line, is placed with catalyst in heating pipe line; Described device for rapidly starting is reformer chamber heating by the described heating pipe line of heating; After described hydrogen generating system starts, hydrogen generating system provides the energy needed for operation by the hydrogen that hydrogen producer obtains;
The initial start energy of described device for rapidly starting is that some solar energys start module, and solar energy starts module and comprises the solar panel, solar energy-electric energy change-over circuit, the solaode that connect successively; Solar energy starts module provides electric energy for the first heating arrangements; Or the initial start energy of described device for rapidly starting is manual generator, manual generator by the power storage that sends in battery;
Described catalyst comprises oxide, the oxide of Pd, the oxide of Cu, the oxide of Fe, the oxide of Zn, rare-earth oxide, the transition metal oxide of Pt; Wherein, precious metals pt content accounts for 0.6% ~ 1.8% of catalyst gross mass, Pd content accounts for 1.1% ~ 4% of catalyst gross mass, the oxide of Cu accounts for 6% ~ 12% of catalyst gross mass, the oxide of Fe accounts for 3% ~ 8% of catalyst gross mass, the oxide of Zn accounts for 8% ~ 20% of catalyst gross mass, and rare-earth oxide accounts for 6% ~ 40% of catalyst gross mass, and all the other are transition metal oxide;
Or described catalyst is copper-based catalysts, comprise material and mass fraction is: the CuO of 3-17 part, the ZrO of the ZnO of 3-18 part, 0.5-3 part, the Al of 55-80 part
2o
3, the CeO of 1-3 part
2, the La of 1-3 part
2o
3;
Store solid hydrogen in described solid hydrogen storage capsule, when hydrogen generating system starts, by gasification module, solid hydrogen is converted to gaseous hydrogen, gaseous hydrogen passes through combustion heat release, for hydrogen producer provides startup heat energy, as the startup energy of hydrogen producer;
First alcohol and water in described liquid container is delivered to heat exchanger heat exchange by raw material conveying device, enters vaporizer gasification after heat exchange; Methanol vapor after gasification and steam enter reformer chamber, and reformer chamber is provided with catalyst, and reformer chamber bottom and middle portion temperature are 300 DEG C ~ 420 DEG C; The temperature on described reformer chamber top is 400 DEG C ~ 570 DEG C; Reformer chamber is connected by connecting line with separation chamber, all or part of top being arranged at reformer chamber of connecting line, and the high temperature by reformer chamber top continues the gas that heating exports from reformer chamber; Described connecting line, as the buffering between reformer chamber and separation chamber, makes the temperature of the gas exported from reformer chamber identical with the temperature of separation chamber or close; Temperature in described separation chamber is set as 350 DEG C ~ 570 DEG C; Be provided with membrane separator in separation chamber, obtain hydrogen from the aerogenesis end of membrane separator;
Described raw material conveying device provides power, by the feedstock transportation in liquid container to hydrogen producer; Described raw material conveying device provides the pressure of 0.15 ~ 5MPa to raw material, and the hydrogen that hydrogen producer is obtained has enough pressure;
After described hydrogen producer starts hydrogen manufacturing, the hydrogen partial that hydrogen producer is obtained is or/and residual air is run by burning maintenance hydrogen producer;
The hydrogen that described hydrogen producer obtains is delivered to membrane separation device and is separated, and is more than or equal to 0.7MPa for separating of the difference of pressure inside and outside the membrane separation device of hydrogen; Described membrane separation device is the membrane separation device at porous ceramic surface Vacuum Deposition palladium-silver, and film plating layer is palladium-silver, and the mass percent palladium of palladium-silver accounts for 75% ~ 78%, and silver accounts for 22% ~ 25%;
Obtained hydrogen is passed through transfer conduit real-time Transmission to hydrogen gas generating system by described hydrogen manufacturing subsystem; Described transfer conduit is provided with air pressure adjustment subsystem, for adjusting the air pressure in transfer conduit; The hydrogen gas generation that described hydrogen gas generating system utilizes hydrogen manufacturing subsystem obtained;
Described air pressure adjustment subsystem comprises microprocessor, gas pressure sensor, valve positioner, air outlet valve, outlet pipe; Described gas pressure sensor is arranged in transfer conduit, in order to respond to the barometric information in transfer conduit, and the barometric information of induction is sent to microprocessor; This barometric information received from gas pressure sensor and setting threshold interval are compared by described microprocessor; When the pressure data received is higher than the maximum of setting threshold interval, Microprocessor S3C44B0X valve positioner opens air outlet valve setting-up time, air pressure in transfer conduit is made to be in set point, one end of outlet pipe connects air outlet valve simultaneously, the other end connects described hydrogen manufacturing subsystem, and the firing equipment that needs being hydrogen manufacturing subsystem by burning heats; When the pressure data received is lower than the minima of setting threshold interval, hydrogen manufacturing subsystem described in Microprocessor S3C44B0X accelerates the transporting velocity of raw material;
Described Collection utilization subsystem connects the Vent passageway of hydrogen gas generating system, hydrogen, oxygen, water is collected respectively from expellant gas, utilize collect hydrogen, oxygen for hydrogen manufacturing subsystem or/and hydrogen gas generating system, the water collected as the raw material of hydrogen manufacturing subsystem, thus recycles;
Described Collection utilization subsystem comprises hydrogen/oxygen separator, hydrogen water separator, hydrogen check-valves, oxygen water separator, oxygen check valve, by hydrogen and oxygen separation, is then separated with water by hydrogen respectively, oxygen is separated with water;
Described hydrogen producer also comprises electric energy estimation block, hydrogen prepares detection module, power storage module; Whether described electric energy estimation block can meet reformation in order to the electric energy estimated hydrogen gas generation device and send in real time, the electric energy of needs consumption when being separated; If met, then close device for rapidly starting;
Whether hydrogen is prepared detection module and is used for detecting the hydrogen prepared in real time of hydrogen producer and stablizes; If hydrogen prepared by hydrogen producer is unstable, then controls device for rapidly starting and again start, and the electric energy part obtained is stored in power storage module, use when electric energy is not enough to the consumption providing hydrogen producer;
Described hydrogen gas generating system is fuel cell system, and fuel cell system comprises: gas supply device, pile; Described gas supply device utilizes the gas of compression as power, and automatic transport is in pile; Described pile comprises some sub-fuel cell modules, and each sub-fuel cell module comprises at least one super capacitor;
Described fuel cell system also comprises air intake conduit, outlet pipe; The gas of described compression is mainly oxygen; Air enters pile with oxygen after mixer mixes;
Described fuel cell system also comprises gas regulating system; Described gas regulating system comprises valve regulated control device, and oxygen content sensor is or/and Compressed Gas compression ratio sensor;
The data sensed in order to respond to the content of oxygen in the air and oxygen that mix in mixer, and are sent to valve regulated control device by described oxygen content sensor;
The data sensed in order to the compression ratio of induced compression oxygen, and are sent to valve regulated control device by described Compressed Gas compression ratio sensor;
Described valve regulated control device or/and the induction result of Compressed Gas compression ratio sensor regulates oxygen delivery valve, air entrainment valve door, controls the conveying ratio of compressed oxygen, air according to oxygen content sensor; Mist is pushed to pile reaction by the power that compressed oxygen produces after entering mixer;
Described fuel cell system also comprises humidification system, and humidification system comprises humidity exchanging container, humidity exchanges pipeline, and it is a part for air intake conduit that humidity exchanges pipeline; After described reaction, gas outlet pipe is delivered to humidity exchanging container,
The material that described humidity exchanges pipeline is only permeable airtight, makes to react rear gas and natural air carries out humidity exchange, and cannot circulate between gas.
A kind of water hydrogen ICU is electric hospital bed, and described ICU is electric hospital bed to be comprised: the electric hospital bed body of ICU, hydrogen production by methanol system, hydrogen gas generating system, and the electric hospital bed body of hydrogen production by methanol system, hydrogen gas generating system, ICU connects successively; Described hydrogen production by methanol system utilizes preparing hydrogen by reforming methanol-water steam, and hydrogen obtains highly purified hydrogen by the membrane separation device being coated with palladium-silver, and the hydrogen of acquisition is generated electricity by hydrogen gas generating system, and the electric energy sent is for ICU electric hospital bed body running.
As a preferred embodiment of the present invention, described hydrogen production by methanol system comprises hydrogen manufacturing subsystem, air pressure adjustment subsystem, Collection utilization subsystem, and hydrogen manufacturing subsystem, air pressure adjustment subsystem, hydrogen gas generating system, Collection utilization subsystem connect successively;
Described hydrogen manufacturing subsystem utilizes methanol-water to prepare hydrogen, and described hydrogen manufacturing subsystem comprises solid hydrogen storage capsule, liquid container, raw material conveying device, device for rapidly starting, hydrogen producer, membrane separation device;
Described hydrogen producer comprises heat exchanger, vaporizer, reformer chamber; Membrane separation device is arranged in separation chamber, and separation chamber is arranged at the inside of reformer chamber; Described solid hydrogen storage capsule, liquid container are connected with hydrogen producer respectively; Liquid first alcohol and water is stored in liquid container;
Described device for rapidly starting provides the startup energy for hydrogen producer; Described device for rapidly starting comprises the first starting drive, the second starting drive; Described first starting drive comprises the first heating arrangements, the first gasification pipe, and the internal diameter of the first gasification pipe is 1 ~ 2mm, and the first gasification pipe is closely wound on the first heating arrangements; One end of described first gasification pipe connects liquid container, sends in the first gasification pipe by raw material conveying device by methanol; The other end of the first gasification pipe exports vaporized methanol, then by ignition mechanism ignition; Or the other end of the first gasification pipe exports vaporized methanol, and the methanol temperature exported reaches self-ignition point, directly spontaneous combustion after methanol exports from the first gasification pipe; Described second starting drive comprises the second gasification pipe, the main body of the second gasification pipe is arranged at described reformer chamber, first gasification pipe is or/and the methanol that the second gasification pipe exports is heat the second gasification pipe, by the methanol gasifying in the second gasification pipe while reformer chamber heats; Described reformer chamber inwall is provided with heating pipe line, is placed with catalyst in heating pipe line; Described device for rapidly starting is reformer chamber heating by the described heating pipe line of heating; After described hydrogen generating system starts, hydrogen generating system provides the energy needed for operation by the hydrogen that hydrogen producer obtains;
Store solid hydrogen in described solid hydrogen storage capsule, when hydrogen generating system starts, by gasification module, solid hydrogen is converted to gaseous hydrogen, gaseous hydrogen passes through combustion heat release, for hydrogen producer provides startup heat energy, as the startup energy of hydrogen producer;
First alcohol and water in described liquid container is delivered to heat exchanger heat exchange by raw material conveying device, enters vaporizer gasification after heat exchange; Methanol vapor after gasification and steam enter reformer chamber, and reformer chamber is provided with catalyst, and reformer chamber bottom and middle portion temperature are 300 DEG C ~ 420 DEG C; The temperature on described reformer chamber top is 400 DEG C ~ 570 DEG C; Reformer chamber is connected by connecting line with separation chamber, all or part of top being arranged at reformer chamber of connecting line, and the high temperature by reformer chamber top continues the gas that heating exports from reformer chamber; Described connecting line, as the buffering between reformer chamber and separation chamber, makes the temperature of the gas exported from reformer chamber identical with the temperature of separation chamber or close; Temperature in described separation chamber is set as 350 DEG C ~ 570 DEG C; Be provided with membrane separator in separation chamber, obtain hydrogen from the aerogenesis end of membrane separator;
Described raw material conveying device provides power, by the feedstock transportation in liquid container to hydrogen producer; Described raw material conveying device provides the pressure of 0.15 ~ 5MPa to raw material, and the hydrogen that hydrogen producer is obtained has enough pressure;
After described hydrogen producer starts hydrogen manufacturing, the hydrogen partial that hydrogen producer is obtained is or/and residual air is run by burning maintenance hydrogen producer;
The hydrogen that described hydrogen producer obtains is delivered to membrane separation device and is separated, and is more than or equal to 0.7MPa for separating of the difference of pressure inside and outside the membrane separation device of hydrogen; Described membrane separation device is the membrane separation device at porous ceramic surface Vacuum Deposition palladium-silver, and film plating layer is palladium-silver, and the mass percent palladium of palladium-silver accounts for 75% ~ 78%, and silver accounts for 22% ~ 25%;
Obtained hydrogen is passed through transfer conduit real-time Transmission to hydrogen gas generating system by described hydrogen manufacturing subsystem; Described transfer conduit is provided with air pressure adjustment subsystem, for adjusting the air pressure in transfer conduit; The hydrogen gas generation that described hydrogen gas generating system utilizes hydrogen manufacturing subsystem obtained;
Described air pressure adjustment subsystem comprises microprocessor, gas pressure sensor, valve positioner, air outlet valve, outlet pipe; Described gas pressure sensor is arranged in transfer conduit, in order to respond to the barometric information in transfer conduit, and the barometric information of induction is sent to microprocessor; This barometric information received from gas pressure sensor and setting threshold interval are compared by described microprocessor; When the pressure data received is higher than the maximum of setting threshold interval, Microprocessor S3C44B0X valve positioner opens air outlet valve setting-up time, air pressure in transfer conduit is made to be in set point, one end of outlet pipe connects air outlet valve simultaneously, the other end connects described hydrogen manufacturing subsystem, and the firing equipment that needs being hydrogen manufacturing subsystem by burning heats; When the pressure data received is lower than the minima of setting threshold interval, hydrogen manufacturing subsystem described in Microprocessor S3C44B0X accelerates the transporting velocity of raw material;
Described Collection utilization subsystem connects the Vent passageway of hydrogen gas generating system, hydrogen, oxygen, water is collected respectively from expellant gas, utilize collect hydrogen, oxygen for hydrogen manufacturing subsystem or/and hydrogen gas generating system, the water collected as the raw material of hydrogen manufacturing subsystem, thus recycles;
Described Collection utilization subsystem comprises hydrogen/oxygen separator, hydrogen water separator, hydrogen check-valves, oxygen water separator, oxygen check valve, by hydrogen and oxygen separation, is then separated with water by hydrogen respectively, oxygen is separated with water.
As a preferred embodiment of the present invention, the initial start energy of described device for rapidly starting is that some solar energys start module, and solar energy starts module and comprises the solar panel, solar energy-electric energy change-over circuit, the solaode that connect successively; Solar energy starts module provides electric energy for the first heating arrangements; Or the initial start energy of described device for rapidly starting is manual generator, manual generator by the power storage that sends in battery.
As a preferred embodiment of the present invention, described catalyst comprises oxide, the oxide of Pd, the oxide of Cu, the oxide of Fe, the oxide of Zn, rare-earth oxide, the transition metal oxide of Pt;
Wherein, precious metals pt content accounts for 0.6% ~ 1.8% of catalyst gross mass, Pd content accounts for 1.1% ~ 4% of catalyst gross mass, the oxide of Cu accounts for 6% ~ 12% of catalyst gross mass, the oxide of Fe accounts for 3% ~ 8% of catalyst gross mass, the oxide of Zn accounts for 8% ~ 20% of catalyst gross mass, and rare-earth oxide accounts for 6% ~ 40% of catalyst gross mass, and all the other are transition metal oxide.
As a preferred embodiment of the present invention, described catalyst is copper-based catalysts, comprises material and mass fraction is: the CuO of 2-20 part, the ZrO of the ZnO of 2-20 part, 0.1-5 part, the Al of 45-95 part
2o
3, the CeO of 0-5 part
2, the La of 0-5 part
2o
3.
As a preferred embodiment of the present invention, described hydrogen gas generating system comprises fuel cell, and fuel cell comprises some sub-fuel cell modules, and each sub-fuel cell module comprises at least one super capacitor.
As a preferred embodiment of the present invention, described hydrogen gas generating system is fuel cell system, and fuel cell system comprises: gas supply device, pile; Described gas supply device utilizes the gas of compression as power, and automatic transport is in pile; Described pile comprises some sub-fuel cell modules, and each sub-fuel cell module comprises at least one super capacitor;
Described fuel cell system also comprises air intake conduit, outlet pipe; The gas of described compression is mainly oxygen; Air enters pile with oxygen after mixer mixes.
As a preferred embodiment of the present invention, described fuel cell system also comprises gas regulating system; Described gas regulating system comprises valve regulated control device, and oxygen content sensor is or/and Compressed Gas compression ratio sensor;
The data sensed in order to respond to the content of oxygen in the air and oxygen that mix in mixer, and are sent to valve regulated control device by described oxygen content sensor;
The data sensed in order to the compression ratio of induced compression oxygen, and are sent to valve regulated control device by described Compressed Gas compression ratio sensor;
Described valve regulated control device or/and the induction result of Compressed Gas compression ratio sensor regulates oxygen delivery valve, air entrainment valve door, controls the conveying ratio of compressed oxygen, air according to oxygen content sensor; Mist is pushed to pile reaction by the power that compressed oxygen produces after entering mixer.
As a preferred embodiment of the present invention, described fuel cell system also comprises humidification system, and humidification system comprises humidity exchanging container, humidity exchanges pipeline, and it is a part for air intake conduit that humidity exchanges pipeline; After described reaction, gas outlet pipe is delivered to humidity exchanging container,
The material that described humidity exchanges pipeline is only permeable airtight, makes to react rear gas and natural air carries out humidity exchange, and cannot circulate between gas.
Beneficial effect of the present invention is: the water hydrogen ICU that the present invention proposes is electric hospital bed, Methanol can be utilized to obtain hydrogen gas generation as the electric hospital bed energy of ICU, can by electric hospital bed for ICU for there is no the place of alternating current, to allow, ICU is electric hospital bed to be used in portable medical field, improves the quality of medical care of portable medical.
Accompanying drawing explanation
Fig. 1 is the electric hospital bed composition schematic diagram of water hydrogen ICU of the present invention.
Fig. 2 is the composition schematic diagram of hydrogen production by methanol system in present system.
Fig. 3 is the structural representation of device for rapidly starting in hydrogen producer
Fig. 4 is the structural representation of hydrogen producer and heating pipe line thereof.
Fig. 5 is the composition schematic diagram of the hydrogen producer being provided with relief valve.
Fig. 6 is the schematic diagram under the another kind of state of the hydrogen producer being provided with relief valve.
Fig. 7 is the composition schematic diagram of fuel cell system in present system.
Detailed description of the invention
The preferred embodiments of the present invention are described in detail below in conjunction with accompanying drawing.
Embodiment one
Refer to Fig. 1, present invention is disclosed a kind of water hydrogen ICU electric hospital bed, described ICU is electric hospital bed to be comprised: the electric hospital bed body of ICU, hydrogen production by methanol system, hydrogen gas generating system, and the electric hospital bed body of hydrogen production by methanol system, hydrogen gas generating system, ICU connects successively; Described hydrogen production by methanol system utilizes preparing hydrogen by reforming methanol-water steam, and hydrogen obtains highly purified hydrogen by the membrane separation device being coated with palladium-silver, and the hydrogen of acquisition is generated electricity by hydrogen gas generating system, and the electric energy sent is for ICU electric hospital bed body running.
The electric hospital bed body of described ICU comprises bedstead, bed board, control unit, motor, auxiliary facilities, and control unit connects motor, auxiliary facilities respectively; The electric hospital bed body of ICU is provided with connection cable, and connection cable is connected with hydrogen gas generating system.The unidirectional current that the electric hospital bed body of described ICU can directly use hydrogen gas generating system to send.
In the present embodiment, refer to Fig. 2, hydrogen production by methanol system is small portable hydrogen producer, comprising: liquid container 10, raw material conveying device 50, device for rapidly starting 40, device for producing hydrogen 20, membrane separation device 30, hydrogen delivery tube road 60.
As shown in Figure 3, described device for rapidly starting 40 comprises housing 41, heating arrangements 42, gasification pipe 43, and the internal diameter of gasification pipe 43 is 1 ~ 2mm, and gasification pipe 43 is wound on heating arrangements 42; Described heating arrangements can be electrically heated rod, utilizes alternating current or accumulator, aneroid battery.
One end of described gasification pipe 43 connects liquid container 10, is sent into by methanol in gasification pipe 43; The other end of gasification pipe 43 exports vaporized methanol, then by ignition mechanism ignition; Or the other end of gasification pipe 43 exports vaporized methanol, and the methanol temperature exported reaches self-ignition point, and methanol exports rear direct spontaneous combustion from gasification pipe 43; Described device for rapidly starting 40 provides the startup energy for device for producing hydrogen (in other words whole hydrogen producer).
Referring to Fig. 4, in order to improve the firing rate of device for producing hydrogen, being provided with heating pipe line 21 at the reformer chamber inwall of described device for producing hydrogen 20, in heating pipe line 21, be placed with catalyst (as can by heating and temperature control at 380 DEG C ~ 480 DEG C); Described device for rapidly starting 40 is reformer chamber heating by the described heating pipe line 21 of heating, can improve the efficiency of heating surface.
As shown in Figure 2, device for producing hydrogen 20 can also arrange the second starting drive 70, described second starting drive 70 comprises the second gasification pipe, and the main body of the second gasification pipe is arranged at reformer chamber, and the second gasification pipe is reformer chamber heating (can also be the heating of other unit of hydrogen producer).First gasification pipe is or/and the methanol that the second gasification pipe exports is heat the second gasification pipe, by the methanol gasifying in the second gasification pipe while reformer chamber heats.Setting-up time after the second starting drive can continue the methanol of obtained gasification, can close above-mentioned device for rapidly starting, thus reduces the dependence to extra powers such as electric energy further.
In addition, described device for producing hydrogen 20 comprises heat exchanger, vaporizer, reformer chamber; Membrane separation device is arranged in separation chamber, and separation chamber is arranged at the top of reformer chamber.Described liquid container is connected with device for producing hydrogen; Liquid first alcohol and water is stored in liquid container.
First alcohol and water in described liquid container is delivered to heat exchanger heat exchange by raw material conveying device, enters vaporizer gasification after heat exchange; Methanol vapor after gasification and steam enter reformer chamber, and reformer chamber is provided with catalyst, and reformer chamber bottom and middle portion temperature are 300 DEG C ~ 420 DEG C.The temperature on described reformer chamber top is 400 DEG C ~ 570 DEG C; Reformer chamber is connected by connecting line with separation chamber, all or part of top being arranged at reformer chamber of connecting line, and the high temperature by reformer chamber top continues the gas that heating exports from reformer chamber; Described connecting line, as the buffering between reformer chamber and separation chamber, makes the temperature of the gas exported from reformer chamber identical with the temperature of separation chamber or close.Temperature in described separation chamber is set as 350 DEG C ~ 570 DEG C; Be provided with membrane separator in separation chamber, obtain hydrogen from the aerogenesis end of membrane separator.By above-mentioned improvement, the low temperature requirements of reformer chamber catalyst can be ensured respectively, and the high temperature requirement of separation chamber, and then improve hydrogen preparation efficiency; Meanwhile, preheating method of the present invention (separation chamber being arranged at the top of reformer chamber) is very convenient.
Described catalyst comprises oxide, the oxide of Pd, the oxide of Cu, the oxide of Fe, the oxide of Zn, rare-earth oxide, the transition metal oxide of Pt; Wherein, precious metals pt content accounts for 0.6% ~ 1.8% of catalyst gross mass, Pd content accounts for 1.1% ~ 4% of catalyst gross mass, the oxide of Cu accounts for 6% ~ 12% of catalyst gross mass, the oxide of Fe accounts for 3% ~ 8% of catalyst gross mass, the oxide of Zn accounts for 8% ~ 20% of catalyst gross mass, and rare-earth oxide accounts for 6% ~ 40% of catalyst gross mass, and all the other are transition metal oxide;
Or described catalyst is copper-based catalysts, comprise material and mass fraction is: the CuO of 3-17 part, the ZrO of the ZnO of 3-18 part, 0.5-3 part, the Al of 55-80 part
2o
3, the CeO of 1-3 part
2, the La of 1-3 part
2o
3.
In addition, described raw material conveying device provides power, by the feedstock transportation in liquid container to device for producing hydrogen; Described raw material conveying device provides the pressure of 0.15 ~ 5MPa to raw material, and the hydrogen that device for producing hydrogen is obtained has enough pressure.The hydrogen that described device for producing hydrogen obtains is delivered to membrane separation device and is separated, and is more than or equal to 0.7MPa for separating of the difference of pressure inside and outside the membrane separation device of hydrogen.By this improvement, the hydrogen that device for producing hydrogen is obtained has enough pressure, can improve the purity of hydrogen production efficiency and obtained hydrogen.
After described hydrogen producer starts, hydrogen producer provides the energy needed for operation by the hydrogen that device for producing hydrogen obtains; Now, device for rapidly starting can be closed.The hydrogen partial obtained due to device for producing hydrogen or/and residual air maintains hydrogen producer operation by burning, thus can reduce the dependence to extra power, and adaptive ability is strong.
In addition, refer to Fig. 5, Fig. 6, described hydrogen delivery tube road 60 is provided with spring safety valve 61, and spring safety valve 61 comprises valve body, spring mechanism, end of upspringing; Described raw material conveying device 50 comprises delivery pump, and the switch-linear hybrid (certain raw material conveying device 50 also can be other power set) of end near delivery pump of upspringing, can disconnect the switch of raw material conveying device when end of upspringing is upspring.By arranging mechanical safety valve on hydrogen delivery tube road, when air pressure reaches setting value, mechanical safety valve is opened, and can control raw material conveying device stopping transferring raw material.Thus the safety of equipment operation can be improved, prevent hydrogen leak and blast.
Particularly, in the present embodiment, the switch of described delivery pump comprises contact-segment 62 and three ports, and three ports are respectively the first port 63, second port 64, the 3rd port 65.One end of described contact-segment 62 is rotatably arranged at the first port 63, first port 63 and connects delivery pump; The other end of contact-segment 62 can contact the second port 64 or the 3rd port 65.
Described second port 64 connects power supply, when the first port 63 connects the second port 64, can control delivery pump work.Described 3rd port 65 connects alarm transmitting device, when the first port connects the 3rd port 65, can control conveying air pump inoperative, alarm transmitting device sends warning message (mode as by note) to corresponding server or client simultaneously, can notify corresponding personnel.
Described hydrogen gas generation device connects hydrogen producer, and the Partial DC electricity sent is delivered to hydrogen producer; Hydrogen producer drives electromagnetic heater to be reformer chamber, separation chamber's heating by oneself obtained unidirectional current; Meanwhile, also the unidirectional current sent is delivered to the deep sea water extracting device of system, sea water purifying plant, oxygen delivery devices, water generation equipment, runs for these equipment, go back hydrogen supply gas electric generating apparatus self-operating simultaneously.
Described hydrogen producer comprises electromagnetic heater; Electromagnetic heater comprises the reformation cylinder body forming reformer chamber, the separation cylinder body forming separation chamber, be arranged at the first heater coil outside reformation cylinder body, the second heater coil that splitter cylinder is external, reformation cylinder body, the temperature sensor be separated in cylinder body, pressure transducer, and electromagnetic controller; Data Control first heater coil that electromagnetic controller senses according to temperature sensor, pressure transducer, the electric current of the second heater coil, can make reformer chamber, separation chamber reaches design temperature instantaneously.
Described hydrogen producer also comprises electric energy estimation block, hydrogen prepares detection module, power storage module; Whether described electric energy estimation block can meet reformation in order to the electric energy estimated hydrogen gas generation device and send in real time, the electric energy of needs consumption when being separated; If met, then close device for rapidly starting.
Whether hydrogen is prepared detection module and is used for detecting the hydrogen prepared in real time of hydrogen producer and stablizes; If hydrogen prepared by hydrogen producer is unstable, then controls device for rapidly starting and again start, and the electric energy part obtained is stored in power storage module, use when electric energy is not enough to the consumption providing hydrogen producer.
Refer to Fig. 7, in the present embodiment, described hydrogen gas generation device 200 is fuel cell system, and fuel cell system comprises: gas supply device, pile 201; Described gas supply device utilizes the gas of compression as power, and automatic transport is in pile 201.
In the present embodiment, gas supply device is Compressed Gas feedway 202, and described Compressed Gas enters pile 201 after being delivered to a mixer 203, and one end of mixer 203 connects air; Natural air in the reaction of setting ratio inspiration pile, is regulated oxygen content by the power that Compressed Gas produces after entering mixer 203.
Described fuel cell system also comprises air intake conduit, outlet pipe, and air intake conduit, outlet pipe are all through humidification system 204.The gas of described compression is mainly oxygen (also can be air); Natural air and compressed oxygen enter pile 201 after mixer mixes.
Described fuel cell system also comprises gas regulating system, and gas regulating system is arranged in mixer 203; Described gas regulating system comprises valve regulated control device, and oxygen content sensor is or/and Compressed Gas compression ratio sensor.
The data sensed in order to respond to the content of oxygen in the air and oxygen that mix in mixer, and are sent to valve regulated control device by described oxygen content sensor.
The data sensed in order to the compression ratio of induced compression oxygen, and are sent to valve regulated control device by described Compressed Gas compression ratio sensor.
Described valve regulated control device or/and the induction result of Compressed Gas compression ratio sensor regulates oxygen delivery valve, air entrainment valve door, controls the conveying ratio (if natural air ratio can be 0-70%) of compressed oxygen, natural air according to oxygen content sensor; Mist is pushed to pile reaction by the power that compressed oxygen produces after entering mixer, utilizes natural air to do dilution decompression.
Described humidification system 204 comprises humidity exchanging container, humidity exchanges pipeline, and it is a part for air intake conduit that humidity exchanges pipeline; After described reaction, gas outlet pipe is delivered to humidity exchanging container.
The material that described humidity exchanges pipeline is only permeable airtight, makes to react rear gas and natural air carries out humidity exchange, and cannot circulate between gas.Humidity exchanges pipeline spiral in humidity exchanging container and arranges, and fully can carry out humidity exchange.
Embodiment two
The difference of the present embodiment and embodiment one is, in the present embodiment, the electronic pump housing of described alcohol hydrogen also comprises air pressure adjustment subsystem, Collection utilization subsystem.
Described air pressure adjustment subsystem comprises microprocessor, gas pressure sensor, valve positioner, air outlet valve, outlet pipe; Described gas pressure sensor is arranged in transfer conduit, in order to respond to the barometric information in transfer conduit, and the barometric information of induction is sent to microprocessor; This barometric information received from gas pressure sensor and setting threshold interval are compared by described microprocessor; When the pressure data received is higher than the maximum of setting threshold interval, Microprocessor S3C44B0X valve positioner opens air outlet valve setting-up time, air pressure in transfer conduit is made to be in set point, one end of outlet pipe connects air outlet valve simultaneously, the other end connects described hydrogen manufacturing subsystem, and the firing equipment that needs being hydrogen manufacturing subsystem by burning heats; When the pressure data received is lower than the minima of setting threshold interval, hydrogen manufacturing subsystem described in Microprocessor S3C44B0X accelerates the transporting velocity of raw material.
Described Collection utilization subsystem connects the Vent passageway of hydrogen gas generating system, hydrogen, oxygen, water is collected respectively from expellant gas, utilize collect hydrogen, oxygen for hydrogen manufacturing subsystem or/and hydrogen gas generating system, the water collected as the raw material of hydrogen manufacturing subsystem, thus recycles.Described Collection utilization subsystem comprises hydrogen/oxygen separator, hydrogen water separator, hydrogen check-valves, oxygen water separator, oxygen check valve, by hydrogen and oxygen separation, is then separated with water by hydrogen respectively, oxygen is separated with water.
Embodiment three
Present invention is disclosed a kind of water hydrogen ICU electric hospital bed, described ICU is electric hospital bed to be comprised: the electric hospital bed body of ICU, hydrogen production by methanol system, hydrogen gas generating system, and the electric hospital bed body of hydrogen production by methanol system, hydrogen gas generating system, ICU connects successively; Described hydrogen production by methanol system utilizes preparing hydrogen by reforming methanol-water steam, and hydrogen obtains highly purified hydrogen by the membrane separation device being coated with palladium-silver, and the hydrogen of acquisition is generated electricity by hydrogen gas generating system, and the electric energy sent is for ICU electric hospital bed body running.
In sum, the water hydrogen ICU that the present invention proposes is electric hospital bed, and Methanol can be utilized to obtain hydrogen gas generation as the electric hospital bed energy of ICU, can by electric hospital bed for ICU for not having the place of alternating current, to allow, ICU is electric hospital bed to be used in portable medical field, improves the quality of medical care of portable medical.
Here description of the invention and application is illustrative, not wants by scope restriction of the present invention in the above-described embodiments.Distortion and the change of embodiment disclosed are here possible, are known for the replacement of embodiment those those of ordinary skill in the art and the various parts of equivalence.Those skilled in the art are noted that when not departing from spirit of the present invention or substitutive characteristics, the present invention can in other forms, structure, layout, ratio, and to realize with other assembly, material and parts.When not departing from the scope of the invention and spirit, can other distortion be carried out here to disclosed embodiment and change.
Claims (10)
1. a water hydrogen ICU is electric hospital bed, it is characterized in that, described ICU is electric hospital bed to be comprised: the electric hospital bed body of ICU, hydrogen production by methanol system, hydrogen gas generating system, and the electric hospital bed body of hydrogen production by methanol system, hydrogen gas generating system, ICU connects successively;
The electric hospital bed body of described ICU comprises bedstead, bed board, control unit, motor, auxiliary facilities, and control unit connects motor, auxiliary facilities respectively; The electric hospital bed body of ICU is provided with connection cable, and connection cable is connected with hydrogen gas generating system;
Described hydrogen production by methanol system comprises hydrogen manufacturing subsystem, air pressure adjustment subsystem, Collection utilization subsystem, and hydrogen manufacturing subsystem, air pressure adjustment subsystem, hydrogen gas generating system, Collection utilization subsystem connect successively;
Described hydrogen manufacturing subsystem utilizes methanol-water to prepare hydrogen, and described hydrogen manufacturing subsystem comprises solid hydrogen storage capsule, liquid container, raw material conveying device, device for rapidly starting, hydrogen producer, membrane separation device;
Described hydrogen producer comprises heat exchanger, vaporizer, reformer chamber; Membrane separation device is arranged in separation chamber, and separation chamber is arranged at the inside of reformer chamber; Described solid hydrogen storage capsule, liquid container are connected with hydrogen producer respectively; Liquid first alcohol and water is stored in liquid container;
Described device for rapidly starting provides the startup energy for hydrogen producer; Described device for rapidly starting comprises the first starting drive, the second starting drive; Described first starting drive comprises the first heating arrangements, the first gasification pipe, and the internal diameter of the first gasification pipe is 1 ~ 2mm, and the first gasification pipe is closely wound on the first heating arrangements; One end of described first gasification pipe connects liquid container, sends in the first gasification pipe by raw material conveying device by methanol; The other end of the first gasification pipe exports vaporized methanol, then by ignition mechanism ignition; Or the other end of the first gasification pipe exports vaporized methanol, and the methanol temperature exported reaches self-ignition point, directly spontaneous combustion after methanol exports from the first gasification pipe; Described second starting drive comprises the second gasification pipe, the main body of the second gasification pipe is arranged at described reformer chamber, first gasification pipe is or/and the methanol that the second gasification pipe exports is heat the second gasification pipe, by the methanol gasifying in the second gasification pipe while reformer chamber heats; Described reformer chamber inwall is provided with heating pipe line, is placed with catalyst in heating pipe line; Described device for rapidly starting is reformer chamber heating by the described heating pipe line of heating; After described hydrogen generating system starts, hydrogen generating system provides the energy needed for operation by the hydrogen that hydrogen producer obtains;
The initial start energy of described device for rapidly starting is that some solar energys start module, and solar energy starts module and comprises the solar panel, solar energy-electric energy change-over circuit, the solaode that connect successively; Solar energy starts module provides electric energy for the first heating arrangements; Or the initial start energy of described device for rapidly starting is manual generator, manual generator by the power storage that sends in battery;
Described catalyst comprises oxide, the oxide of Pd, the oxide of Cu, the oxide of Fe, the oxide of Zn, rare-earth oxide, the transition metal oxide of Pt; Wherein, precious metals pt content accounts for 0.6% ~ 1.8% of catalyst gross mass, Pd content accounts for 1.1% ~ 4% of catalyst gross mass, the oxide of Cu accounts for 6% ~ 12% of catalyst gross mass, the oxide of Fe accounts for 3% ~ 8% of catalyst gross mass, the oxide of Zn accounts for 8% ~ 20% of catalyst gross mass, and rare-earth oxide accounts for 6% ~ 40% of catalyst gross mass, and all the other are transition metal oxide;
Or described catalyst is copper-based catalysts, comprise material and mass fraction is: the CuO of 3-17 part, the ZrO of the ZnO of 3-18 part, 0.5-3 part, the Al of 55-80 part
2o
3, the CeO of 1-3 part
2, the La of 1-3 part
2o
3;
Store solid hydrogen in described solid hydrogen storage capsule, when hydrogen generating system starts, by gasification module, solid hydrogen is converted to gaseous hydrogen, gaseous hydrogen passes through combustion heat release, for hydrogen producer provides startup heat energy, as the startup energy of hydrogen producer;
First alcohol and water in described liquid container is delivered to heat exchanger heat exchange by raw material conveying device, enters vaporizer gasification after heat exchange; Methanol vapor after gasification and steam enter reformer chamber, and reformer chamber is provided with catalyst, and reformer chamber bottom and middle portion temperature are 300 DEG C ~ 420 DEG C; The temperature on described reformer chamber top is 400 DEG C ~ 570 DEG C; Reformer chamber is connected by connecting line with separation chamber, all or part of top being arranged at reformer chamber of connecting line, and the high temperature by reformer chamber top continues the gas that heating exports from reformer chamber; Described connecting line, as the buffering between reformer chamber and separation chamber, makes the temperature of the gas exported from reformer chamber identical with the temperature of separation chamber or close; Temperature in described separation chamber is set as 350 DEG C ~ 570 DEG C; Be provided with membrane separator in separation chamber, obtain hydrogen from the aerogenesis end of membrane separator;
Described raw material conveying device provides power, by the feedstock transportation in liquid container to hydrogen producer; Described raw material conveying device provides the pressure of 0.15 ~ 5MPa to raw material, and the hydrogen that hydrogen producer is obtained has enough pressure;
After described hydrogen producer starts hydrogen manufacturing, the hydrogen partial that hydrogen producer is obtained is or/and residual air is run by burning maintenance hydrogen producer;
The hydrogen that described hydrogen producer obtains is delivered to membrane separation device and is separated, and is more than or equal to 0.7MPa for separating of the difference of pressure inside and outside the membrane separation device of hydrogen; Described membrane separation device is the membrane separation device at porous ceramic surface Vacuum Deposition palladium-silver, and film plating layer is palladium-silver, and the mass percent palladium of palladium-silver accounts for 75% ~ 78%, and silver accounts for 22% ~ 25%;
Obtained hydrogen is passed through transfer conduit real-time Transmission to hydrogen gas generating system by described hydrogen manufacturing subsystem; Described transfer conduit is provided with air pressure adjustment subsystem, for adjusting the air pressure in transfer conduit; The hydrogen gas generation that described hydrogen gas generating system utilizes hydrogen manufacturing subsystem obtained;
Described air pressure adjustment subsystem comprises microprocessor, gas pressure sensor, valve positioner, air outlet valve, outlet pipe; Described gas pressure sensor is arranged in transfer conduit, in order to respond to the barometric information in transfer conduit, and the barometric information of induction is sent to microprocessor; This barometric information received from gas pressure sensor and setting threshold interval are compared by described microprocessor; When the pressure data received is higher than the maximum of setting threshold interval, Microprocessor S3C44B0X valve positioner opens air outlet valve setting-up time, air pressure in transfer conduit is made to be in set point, one end of outlet pipe connects air outlet valve simultaneously, the other end connects described hydrogen manufacturing subsystem, and the firing equipment that needs being hydrogen manufacturing subsystem by burning heats; When the pressure data received is lower than the minima of setting threshold interval, hydrogen manufacturing subsystem described in Microprocessor S3C44B0X accelerates the transporting velocity of raw material;
Described Collection utilization subsystem connects the Vent passageway of hydrogen gas generating system, hydrogen, oxygen, water is collected respectively from expellant gas, utilize collect hydrogen, oxygen for hydrogen manufacturing subsystem or/and hydrogen gas generating system, the water collected as the raw material of hydrogen manufacturing subsystem, thus recycles;
Described Collection utilization subsystem comprises hydrogen/oxygen separator, hydrogen water separator, hydrogen check-valves, oxygen water separator, oxygen check valve, by hydrogen and oxygen separation, is then separated with water by hydrogen respectively, oxygen is separated with water;
Described hydrogen producer also comprises electric energy estimation block, hydrogen prepares detection module, power storage module; Whether described electric energy estimation block can meet reformation in order to the electric energy estimated hydrogen gas generation device and send in real time, the electric energy of needs consumption when being separated; If met, then close device for rapidly starting;
Whether hydrogen is prepared detection module and is used for detecting the hydrogen prepared in real time of hydrogen producer and stablizes; If hydrogen prepared by hydrogen producer is unstable, then controls device for rapidly starting and again start, and the electric energy part obtained is stored in power storage module, use when electric energy is not enough to the consumption providing hydrogen producer;
Described hydrogen gas generating system is fuel cell system, and fuel cell system comprises: gas supply device, pile; Described gas supply device utilizes the gas of compression as power, and automatic transport is in pile; Described pile comprises some sub-fuel cell modules, and each sub-fuel cell module comprises at least one super capacitor;
Described fuel cell system also comprises air intake conduit, outlet pipe; The gas of described compression is mainly oxygen; Air enters pile with oxygen after mixer mixes;
Described fuel cell system also comprises gas regulating system; Described gas regulating system comprises valve regulated control device, and oxygen content sensor is or/and Compressed Gas compression ratio sensor;
The data sensed in order to respond to the content of oxygen in the air and oxygen that mix in mixer, and are sent to valve regulated control device by described oxygen content sensor;
The data sensed in order to the compression ratio of induced compression oxygen, and are sent to valve regulated control device by described Compressed Gas compression ratio sensor;
Described valve regulated control device or/and the induction result of Compressed Gas compression ratio sensor regulates oxygen delivery valve, air entrainment valve door, controls the conveying ratio of compressed oxygen, air according to oxygen content sensor; Mist is pushed to pile reaction by the power that compressed oxygen produces after entering mixer;
Described fuel cell system also comprises humidification system, and humidification system comprises humidity exchanging container, humidity exchanges pipeline, and it is a part for air intake conduit that humidity exchanges pipeline; After described reaction, gas outlet pipe is delivered to humidity exchanging container,
The material that described humidity exchanges pipeline is only permeable airtight, makes to react rear gas and natural air carries out humidity exchange, and cannot circulate between gas.
2. a water hydrogen ICU is electric hospital bed, it is characterized in that, described ICU is electric hospital bed to be comprised: the electric hospital bed body of ICU, hydrogen production by methanol system, hydrogen gas generating system, and the electric hospital bed body of hydrogen production by methanol system, hydrogen gas generating system, ICU connects successively;
Described hydrogen production by methanol system utilizes preparing hydrogen by reforming methanol-water steam, and hydrogen obtains highly purified hydrogen by the membrane separation device being coated with palladium-silver, and the hydrogen of acquisition is generated electricity by hydrogen gas generating system, and the electric energy sent is for ICU electric hospital bed body running.
3. water hydrogen ICU according to claim 2 is electric hospital bed, it is characterized in that:
Described hydrogen production by methanol system comprises hydrogen manufacturing subsystem, air pressure adjustment subsystem, Collection utilization subsystem, and hydrogen manufacturing subsystem, air pressure adjustment subsystem, hydrogen gas generating system, Collection utilization subsystem connect successively;
Described hydrogen manufacturing subsystem utilizes methanol-water to prepare hydrogen, and described hydrogen manufacturing subsystem comprises solid hydrogen storage capsule, liquid container, raw material conveying device, device for rapidly starting, hydrogen producer, membrane separation device;
Described hydrogen producer comprises heat exchanger, vaporizer, reformer chamber; Membrane separation device is arranged in separation chamber, and separation chamber is arranged at the inside of reformer chamber; Described solid hydrogen storage capsule, liquid container are connected with hydrogen producer respectively; Liquid first alcohol and water is stored in liquid container;
Described device for rapidly starting provides the startup energy for hydrogen producer; Described device for rapidly starting comprises the first starting drive, the second starting drive; Described first starting drive comprises the first heating arrangements, the first gasification pipe, and the internal diameter of the first gasification pipe is 1 ~ 2mm, and the first gasification pipe is closely wound on the first heating arrangements; One end of described first gasification pipe connects liquid container, sends in the first gasification pipe by raw material conveying device by methanol; The other end of the first gasification pipe exports vaporized methanol, then by ignition mechanism ignition; Or the other end of the first gasification pipe exports vaporized methanol, and the methanol temperature exported reaches self-ignition point, directly spontaneous combustion after methanol exports from the first gasification pipe; Described second starting drive comprises the second gasification pipe, the main body of the second gasification pipe is arranged at described reformer chamber, first gasification pipe is or/and the methanol that the second gasification pipe exports is heat the second gasification pipe, by the methanol gasifying in the second gasification pipe while reformer chamber heats; Described reformer chamber inwall is provided with heating pipe line, is placed with catalyst in heating pipe line; Described device for rapidly starting is reformer chamber heating by the described heating pipe line of heating; After described hydrogen generating system starts, hydrogen generating system provides the energy needed for operation by the hydrogen that hydrogen producer obtains;
Store solid hydrogen in described solid hydrogen storage capsule, when hydrogen generating system starts, by gasification module, solid hydrogen is converted to gaseous hydrogen, gaseous hydrogen passes through combustion heat release, for hydrogen producer provides startup heat energy, as the startup energy of hydrogen producer;
First alcohol and water in described liquid container is delivered to heat exchanger heat exchange by raw material conveying device, enters vaporizer gasification after heat exchange; Methanol vapor after gasification and steam enter reformer chamber, and reformer chamber is provided with catalyst, and reformer chamber bottom and middle portion temperature are 300 DEG C ~ 420 DEG C; The temperature on described reformer chamber top is 400 DEG C ~ 570 DEG C; Reformer chamber is connected by connecting line with separation chamber, all or part of top being arranged at reformer chamber of connecting line, and the high temperature by reformer chamber top continues the gas that heating exports from reformer chamber; Described connecting line, as the buffering between reformer chamber and separation chamber, makes the temperature of the gas exported from reformer chamber identical with the temperature of separation chamber or close; Temperature in described separation chamber is set as 350 DEG C ~ 570 DEG C; Be provided with membrane separator in separation chamber, obtain hydrogen from the aerogenesis end of membrane separator;
Described raw material conveying device provides power, by the feedstock transportation in liquid container to hydrogen producer; Described raw material conveying device provides the pressure of 0.15 ~ 5MPa to raw material, and the hydrogen that hydrogen producer is obtained has enough pressure;
After described hydrogen producer starts hydrogen manufacturing, the hydrogen partial that hydrogen producer is obtained is or/and residual air is run by burning maintenance hydrogen producer;
The hydrogen that described hydrogen producer obtains is delivered to membrane separation device and is separated, and is more than or equal to 0.7MPa for separating of the difference of pressure inside and outside the membrane separation device of hydrogen; Described membrane separation device is the membrane separation device at porous ceramic surface Vacuum Deposition palladium-silver, and film plating layer is palladium-silver, and the mass percent palladium of palladium-silver accounts for 75% ~ 78%, and silver accounts for 22% ~ 25%;
Obtained hydrogen is passed through transfer conduit real-time Transmission to hydrogen gas generating system by described hydrogen manufacturing subsystem; Described transfer conduit is provided with air pressure adjustment subsystem, for adjusting the air pressure in transfer conduit; The hydrogen gas generation that described hydrogen gas generating system utilizes hydrogen manufacturing subsystem obtained;
Described air pressure adjustment subsystem comprises microprocessor, gas pressure sensor, valve positioner, air outlet valve, outlet pipe; Described gas pressure sensor is arranged in transfer conduit, in order to respond to the barometric information in transfer conduit, and the barometric information of induction is sent to microprocessor; This barometric information received from gas pressure sensor and setting threshold interval are compared by described microprocessor; When the pressure data received is higher than the maximum of setting threshold interval, Microprocessor S3C44B0X valve positioner opens air outlet valve setting-up time, air pressure in transfer conduit is made to be in set point, one end of outlet pipe connects air outlet valve simultaneously, the other end connects described hydrogen manufacturing subsystem, and the firing equipment that needs being hydrogen manufacturing subsystem by burning heats; When the pressure data received is lower than the minima of setting threshold interval, hydrogen manufacturing subsystem described in Microprocessor S3C44B0X accelerates the transporting velocity of raw material;
Described Collection utilization subsystem connects the Vent passageway of hydrogen gas generating system, hydrogen, oxygen, water is collected respectively from expellant gas, utilize collect hydrogen, oxygen for hydrogen manufacturing subsystem or/and hydrogen gas generating system, the water collected as the raw material of hydrogen manufacturing subsystem, thus recycles;
Described Collection utilization subsystem comprises hydrogen/oxygen separator, hydrogen water separator, hydrogen check-valves, oxygen water separator, oxygen check valve, by hydrogen and oxygen separation, is then separated with water by hydrogen respectively, oxygen is separated with water.
4. water hydrogen ICU according to claim 3 is electric hospital bed, it is characterized in that:
The initial start energy of described device for rapidly starting is that some solar energys start module, and solar energy starts module and comprises the solar panel, solar energy-electric energy change-over circuit, the solaode that connect successively; Solar energy starts module provides electric energy for the first heating arrangements; Or the initial start energy of described device for rapidly starting is manual generator, manual generator by the power storage that sends in battery.
5. water hydrogen ICU according to claim 3 is electric hospital bed, it is characterized in that:
Described catalyst comprises oxide, the oxide of Pd, the oxide of Cu, the oxide of Fe, the oxide of Zn, rare-earth oxide, the transition metal oxide of Pt;
Wherein, precious metals pt content accounts for 0.6% ~ 1.8% of catalyst gross mass, Pd content accounts for 1.1% ~ 4% of catalyst gross mass, the oxide of Cu accounts for 6% ~ 12% of catalyst gross mass, the oxide of Fe accounts for 3% ~ 8% of catalyst gross mass, the oxide of Zn accounts for 8% ~ 20% of catalyst gross mass, and rare-earth oxide accounts for 6% ~ 40% of catalyst gross mass, and all the other are transition metal oxide.
6. water hydrogen ICU according to claim 3 is electric hospital bed, it is characterized in that:
Described catalyst is copper-based catalysts, comprises material and mass fraction is: the CuO of 2-20 part, the ZrO of the ZnO of 2-20 part, 0.1-5 part, the Al of 45-95 part
2o
3, the CeO of 0-5 part
2, the La of 0-5 part
2o
3.
7. water hydrogen ICU according to claim 2 is electric hospital bed, it is characterized in that:
Described hydrogen gas generating system comprises fuel cell, and fuel cell comprises some sub-fuel cell modules, and each sub-fuel cell module comprises at least one super capacitor.
8. water hydrogen ICU according to claim 2 is electric hospital bed, it is characterized in that:
Described hydrogen gas generating system is fuel cell system, and fuel cell system comprises: gas supply device, pile; Described gas supply device utilizes the gas of compression as power, and automatic transport is in pile; Described pile comprises some sub-fuel cell modules, and each sub-fuel cell module comprises at least one super capacitor;
Described fuel cell system also comprises air intake conduit, outlet pipe; The gas of described compression is mainly oxygen; Air enters pile with oxygen after mixer mixes.
9. alcohol water hydrogen ICU according to claim 8 is electric hospital bed, it is characterized in that:
Described fuel cell system also comprises gas regulating system; Described gas regulating system comprises valve regulated control device, and oxygen content sensor is or/and Compressed Gas compression ratio sensor;
The data sensed in order to respond to the content of oxygen in the air and oxygen that mix in mixer, and are sent to valve regulated control device by described oxygen content sensor;
The data sensed in order to the compression ratio of induced compression oxygen, and are sent to valve regulated control device by described Compressed Gas compression ratio sensor;
Described valve regulated control device or/and the induction result of Compressed Gas compression ratio sensor regulates oxygen delivery valve, air entrainment valve door, controls the conveying ratio of compressed oxygen, air according to oxygen content sensor; Mist is pushed to pile reaction by the power that compressed oxygen produces after entering mixer.
10. water hydrogen ICU according to claim 8 is electric hospital bed, it is characterized in that:
Described fuel cell system also comprises humidification system, and humidification system comprises humidity exchanging container, humidity exchanges pipeline, and it is a part for air intake conduit that humidity exchanges pipeline; After described reaction, gas outlet pipe is delivered to humidity exchanging container,
The material that described humidity exchanges pipeline is only permeable airtight, makes to react rear gas and natural air carries out humidity exchange, and cannot circulate between gas.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510658349.9A CN105362008A (en) | 2015-10-12 | 2015-10-12 | ICU (intensive care unit) electric hospital bed driven by hydrogen produced from methanol-water |
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| CN201510658349.9A CN105362008A (en) | 2015-10-12 | 2015-10-12 | ICU (intensive care unit) electric hospital bed driven by hydrogen produced from methanol-water |
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Application publication date: 20160302 |