CN1962415A - Method for producing oxygen by microwave heated oxygen candle and oxygen candle and microwave device - Google Patents
Method for producing oxygen by microwave heated oxygen candle and oxygen candle and microwave device Download PDFInfo
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- CN1962415A CN1962415A CN 200510115869 CN200510115869A CN1962415A CN 1962415 A CN1962415 A CN 1962415A CN 200510115869 CN200510115869 CN 200510115869 CN 200510115869 A CN200510115869 A CN 200510115869A CN 1962415 A CN1962415 A CN 1962415A
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Abstract
The invention discloses a preparing method of oxygen through microwave heating oxygen candle as well as oxygen candle and microwave device, which comprises the following steps: (1) blending 80-86% chlorate, 4-10% sensitizing catalyst, 0-6% chloride-inhibiting agent and 0-8% adhesive together; pressurizing to prepare oxygen candle with density at 1.5-2g/cm3; (2) placing oxygen candle into microwave device to heat continuously; guiding oxygen from outlet on the microwave device.
Description
Technical field
The present invention relates to a kind of method for producing oxygen through, particularly about a kind of method and oxygen candle and microwave device with microwave heated oxygen candle system oxygen.
Background technology
Since the forties so far, use with oxymuriate and obtained widespread use in the west as the method that the oxygen of basic raw material candle carries out oxygen supply.The oxygen candle can be divided into two classes according to purposes: a class is actuated type oxygen candle, is used for the starter gear of super-oxide type self-rescue escape device, and this actuated type oxygen candle working hour is short, oxygen-producing amount is few, generally only works 1 minute, produces the oxygen of the accurate state of about 6 raising of indices; Another kind of the working hour is long for many people breathe with oxygen source oxygen candle, and oxygen-producing amount is more than 2000 liters.
At present, the approach that improves oxygen candle oxygen-producing amount mainly contains two: (1) uses hyperoxic oxymuriate, improves the oxygen density in the candle body.The oxygen candle that uses as " the Peace " orbital space station is to be raw material with lithium perchlorate.(2) by seeking catalyzer, reduce the oxymuriate decomposition temperature, thereby reduce the usage quantity of fuel in the candle body, improve the content of oxymuriate.
In 1970, E.S.Freeman and W.K.Rudloff be by a large amount of discovering, transition metal oxide, and the transition metal oxide that particularly has P-type semiconductor character, oxymuriate decomposed good katalysis.T.Wydeven is by systematic study NaClO
3Catalytic decomposition, also confirmed similar viewpoint.The decomposition temperature of oxygen candle reaction is minimized, and has reduced the content of fuel in the candle body.1972, United States Patent (USP) proposed to adopt Fe
2O
3, Cu
2O etc. are catalyzer, but working temperature height, shortcoming that oxygen-producing amount is low fail fundamentally to overcome.
1978, United States Patent (USP) the 4th, 073 proposed again with CoO or Co for No. 741
3O
4Make catalyzer, use the oxygen candle of a spot of glass fibre simultaneously as toughener.The decomposition temperature of this oxygen candle is lower.But glass fibre is agglomerating easily, introduces the back and causes difficulty to machine-shaping.
1989, the patent of invention CN89100611.7 of China Qinghai salt lake institute application used Co
2O
3Or Co
2O
3With MnO
2Mixture as NaClO
3The catalyzer that decomposes adds kaolin both as forming agent, uses Li
2O
2As antichlor.But catalyzer and various added ingredients proportion are very big in this kind oxygen candle, have both increased the weight of oxygen candle, have reduced effective oxygen level again, in addition Co
2O
3And Li
2O
2All be somewhat expensive reagent, and Li
2O
2Domestic can't production, all dependence on import, so oxygen candle cost is too high.
International monopolies in 1993 propose the oxygen candle of multilayered structure, and in the first layer that begins to light a fire, catalyzer and fuel content are higher, reduce gradually later on, and with innoxious substances such as alkali-metal borate, silicate as antichlor.But this oxygen candle still has the cost height, deficiencies such as effective oxygen level is low, processed complex.
In sum, the invention technology of the relevant oxygen candle that has proposed, innovate for improving on the structure that oxygen-producing amount all is kind, oxygen candle at catalyzer, all must contain a certain proportion of fuel element in each oxygen candle prescription and help that the oxymuriate pyrolysis begins and continue.But the existence of fuel element in the oxygen candle prescription has following shortcoming: 1, the weight of oxygen candle candle body of breathing oxygen source as many people is generally about 12kg, and oxygen-producing amount is at 2～2.8m
3In case, the igniter fuel burning, decomposition course just can't stop.Produce the oxygen process in order to control oxygen candle, have at devices such as the back additional high-pressure gas cylinder of oxygen candle oxygenerator, air pump, high-pressure valves, so, producer volume heaviness must fixingly be used, and the security of whole device, reliability reduce.2, since when burning consume the oxygen that part generates, have in addition up to 20% of producing total oxygen demand, so fuel has reduced the available oxygen content that oxygen is lit up.The amount of being fuming was big when 3, metallic fuel burnt in the oxygen candle, and the particulate matter diameter is little, and oxygen candle oxygenerator must be equipped with fine filter, and this strainer cost height.
Summary of the invention
At the problems referred to above, the purpose of this invention is to provide a kind of method and oxygen candle and microwave device with microwave heated oxygen candle system oxygen, it makes fuel without the oxygen candle, can improve the oxygen level and the oxygen-producing amount of oxygen candle, and can decompose product oxygen process to the oxygen candle according to personnel's needs and control.
For achieving the above object, the present invention takes following technical scheme: a kind of method with microwave heated oxygen candle system oxygen, it may further comprise the steps: (1) gets following weight percent component: oxymuriate 80～96%, sensitization catalyzer 4～10%, chlorine-inhibiting agent 0～6%, tackiness agent 0～8%, mixing and being forced into density is 1.5～2g/cm
3, make the oxygen candle; (2) the oxygen candle is put into the continuous heating of a microwave device and produced oxygen, and oxygen is derived by the air outlet that is arranged on the microwave device.
The frequency of described microwave device is any in the following wave band: 915 ± 25MHz, 2450 ± 50MHz, 5800 ± 75MHz, 22125 ± 125MHz.
Described sensitization catalyzer comprises one or more the mixing in cobalt oxide, cupric oxide, nickel oxide, cobalt sesquioxide, the nickel sesquioxide.
Described sensitization catalyzer comprises one or more the mixing in cobalt oxide, cupric oxide, nickel oxide, cobalt sesquioxide, the nickel sesquioxide.
Described chlorine-inhibiting agent is alkali metal peroxide or basic metal super-oxide.
Described chlorine-inhibiting agent is barium oxide, barium peroxide, sodium peroxide, sodium superoxide.
Described tackiness agent is kaolin or attapulgite.
A kind of oxygen candle with microwave heated oxygen candle system oxygen is characterized in that: by following weight percent component: oxymuriate 80～96%, and sensitization catalyzer 4～10%, chlorine-inhibiting agent 0～6%, tackiness agent 0～8%, mixing and being forced into density is 1.5～2g/cm
3, be made.
Described sensitization catalyzer comprises one or more the mixing in cobalt oxide, cupric oxide, nickel oxide, cobalt sesquioxide, the nickel sesquioxide.
Described chlorine-inhibiting agent is alkali metal peroxide or basic metal super-oxide.
Described chlorine-inhibiting agent is barium oxide, barium peroxide, sodium peroxide, sodium superoxide.
Described tackiness agent is kaolin, attapulgite.
A kind of device with microwave heated oxygen candle system oxygen is characterized in that: it comprises a casing, is connected with a microwave energy-feeding mouth on casing, one infrared temperature instrument, one heating controlling box, a pallet of placing the oxygen candle is arranged in the described casing, and an oxygen outlet is set on described casing.
Described device comprises that also one is located at the quartzy bottle on the described oxygen candle, and described quartzy bottle top is provided with an oxygen catheter that connects described oxygen outlet.
The present invention is owing to take above technical scheme, compared with prior art, it has the following advantages: 1, the inventive method is introduced oxygen candle system oxygen field with microwave heating, not only substituted the mode of fuel heating in the traditional oxygen candle, and the frame mode of oxygen candle, complete processing, controllability, contaminant filter etc. have all been brought basic variation.2, the present invention adopts outer microwave heating of carrying to replace the light up method of built-in fuel heating of oxygen in the prior art, make and produce the oxygen process and do not need the igniting of fuel, combustion-supporting effect, make oxygen candle on one-piece construction no longer be comprise an ignition layer, the multilayered structure of different proportionings such as ignite layer and body layer, and become unified structure with proportioning, thereby simplified the production technique that oxygen is lit up, greatly reduce the production cost of oxygen candle.3, the heating of oxygen candle of the present invention, decomposition product oxygen process can be controlled by the realization of opening, stop of microwave, in case close down microwave source, after the oxygen candle lost microwave heating, the reaction heat of self was not enough to keep proceeding of reaction, the termination of product oxygen process; If need make oxygen once more, then start microwave source once more, oxygen candle is heated, make and produce the oxygen reaction and proceed, thereby realized that control produces the purpose of oxygen process, overcome traditional oxygen light up once just light can not Halfway Stopping limitation.4, the present invention is improved the chlorate content owing to removed fuel element, and then has improved the oxygen level of oxygen candle; The present invention has simultaneously saved the oxygen that consumes because of fuel combustion, thereby has improved oxygen-producing amount effectively owing to there is not fuel.5, the present invention utilizes microwave heating action to replace the fuel composition that the oxygen candle is contained in the prior art, so the oxygen candle no longer needs portfires such as detonator, has improved manufacturer in process safe such as production, storage and transportations.6, the oxygenerator of the inventive method use is simple, light and handy, has vast potential for future development in air ambient control and existence guarantee control techniques field.
Description of drawings
Fig. 1 is a microwave heating installation synoptic diagram of the present invention
Fig. 2 is a kind of testing table principle schematic of microwave heated oxygen candle system oxygen
Embodiment
A kind of method with microwave heated oxygen candle system oxygen of the present invention may further comprise the steps:
1, get following weight percent component: oxymuriate 80～96%, sensitization catalyzer 4～10%, chlorine-inhibiting agent 0～6%, tackiness agent 0～8%, mixing and being forced into density is 1.5～2g/cm
3, make the oxygen candle;
2, the oxygen candle is put into the continuous heating of a microwave device and produced oxygen, and oxygen is derived by the air outlet that is arranged on the microwave device.
Realize as can be seen that by above-mentioned method for producing oxygen through the inventive method needs a kind of oxygen candle of special use and a kind of microwave heating installation of special use.
Oxygen of the present invention candle is can the strong absorption microwave energy, the sensitization catalyzer of katalysis can be arranged, as cobalt oxide (CoO), cupric oxide (CuO), high oxidation cobalt (Co again to the oxymuriate pyrolysis
2O
3), Manganse Dioxide (MnO
2) etc., be mixed and made into oxymuriate; The concrete weight percent of oxygen candle is: oxymuriate 80～96%, and sensitization catalyzer 4～10%, chlorine-inhibiting agent 0～6%, tackiness agent 0～8% mixes above-mentioned component that to be forced into density be 1.5～2g/cm
3Make.The oxygen candle can be a different shape, generally is cylindrical.When big or density is big when oxygen candle volume, for anti-block candle in decomposition course because of the thermal stresses effect is divided, the avalanche phenomenon, need in the oxygen candle, add the tackiness agent of reinforcing, adhesive effect, the most frequently used as kaolin.For prevent that oxymuriate from crossing high reason and produce chlorine because of containing impurity or local reaction temperature in decompose producing the oxygen process, in lighting up, oxygen often needs to add the chlorine-inhibiting agent of a small amount of elimination chlorine, as barium oxide (BaO), barium peroxide (Ba
2O
2), sodium peroxide (Na
2O
2), sodium superoxide (NaO
2) etc.
Microwave heating installation of the present invention (as shown in Figure 1) comprises a casing 1, the one microwave energy-feeding mouth 2 that micro-wave energy can be imported heating chamber is set on casing 1, one infrared temperature instrument 3, one heating controlling box 4, oxygen candle 5 are placed on the pallet 6, the metallic waveguide that one hollow is set on casing 1 can be derived the oxygen that produces by conduit as oxygen outlet 7.Can also light up at oxygen and be covered with a quartzy bottle 11 on 5, at quartzy bottle 11 tops one oxygen silica gel catheter 8 being set derives oxygen from oxygen outlet 7.During use Heating temperature can be set as required, by infrared temperature instrument 3 thermometrics and sensing to heating controlling box 4, the control Heating temperature.On the chamber door 9 of casing 1, a viewing window 10 can also be set, with convenient understanding heating state.
Above-mentioned microwave heating installation heating control principle is identical with existing microwave oven, is to be provided with the special-purpose outlet of oxygen but a difference is arranged on structure design, is used for the oxygen that makes after the heating of oxygen candle is derived.The microwave frequency of microwave heating installation is any of following wave band: 915 ± 25MHz, 2450 ± 50MHz, 5800 ± 75MHz, 22125 ± 125MHz.The practice of oxygen outlet is perforate on the furnace wall, and with metallic waveguide from passing cinclides in the microwave heating chamber, as the passage of oxygen outlet to space outerpace.Adopt between metallic waveguide and the furnace wall and be weldingly connected.For preventing that microwave from leaking by metallic waveguide, threaten user's health, the length of metallic waveguide should guarantee that the microwave power that microwave device start back records at the waveguide end is lower than national safety standard 50 μ w.
During use, start microwave source, the sensitization catalyzer in the oxygen candle heats up rapidly because of the strong absorption microwave energy, forms in the oxygen candle endogenous pyrogen one by one, drives that the oxygen candle is whole to heat up; The catalyzer of sensitization simultaneously produces katalysis to oxymuriate, impels oxymuriate to be warmed up to decomposition temperature, and thermolysis takes place, and produces oxygen.Whether the decomposition temperature of oxymuriate according to having catalyzer, and the difference of catalyst type and difference, as sodium chlorate with the decomposition temperature under the cobalt oxide katalysis at 250～300 ℃.The foreign gas kind of following oxygen to produce is different and different with content with the content also kind according to the sensitization catalyzer.
Be the catalytic performance tabulations of different sensitization catalyzer in microwave field below:
Table 1: the catalytic performance (weight percent of catalyst be 4%) of different catalysts in microwave field
| Catalyzer | Chlorine (Cl 2) (mg/m 3) | Carbon monoxide (CO) (mg/m 3) | Carbonic acid gas (CO 2) (ppm) |
| Cupric oxide (CuO) cobalt oxide (CoO) high oxidation cobalt (Co 2O 3) Manganse Dioxide (MnO 2) | 30 + + + | + 10 15 + | 300 300 300 300 |
Annotate 1: "+" expression exceeds the range upper limit of used instrument.
Annotate 2: agents useful for same is the analytical pure level.
As can be seen from the test results, the impurity that cobalt oxide, high oxidation cobalt and cupric oxide produce in microwave field is relative less.
Table 2: the catalytic performance of different cupric oxide content in microwave field
| Cupric oxide (CuO) content (%) | Chlorine (Cl 2) (mg/m 3) | Carbon monoxide (CO) (mg/m 3) | Carbonic acid gas (CO 2) (ppm) |
| 6 7 8 10 | 30 40 + + | + - - - | 300 300 300 300 |
Annotate 1: "+" expression exceeds the range upper limit of used instrument."-" expression is lower than the range lower limit of used instrument.
Annotate 2: agents useful for same is the analytical pure level.
From test-results, cupric oxide content is minimum at 7% o'clock impurity generation; Less than 7%, the carbon monoxide generation is higher, and chlorine is less.After 7%, suppressed the generation of carbon monoxide, but increased the generation of chlorine.What of cupric oxide content are to the almost not influence of the generation of carbonic acid gas.
The characteristics of the present invention's prescription are not contain any pure metal composition, as iron powder (Fe), and magnesium powder (Mg), aluminium powder (Al).
The present invention utilizes microwave that the oxygen heatable catalytic of lighting up heat different and different that the quality of oxygen candle and shape, oxygen lights up and fill a prescription with microwave tube power, microwave frequency, institute in the microwave device to the time of decomposing.The contriver had once done substantive test work to oxygen candle quality, oxygen candle prescription with the relation of microwave heating time.Described in detail below:
As shown in Figure 2, during test, the end of the oxygen outlet 7 of microwave device is connected a strainer 12 by pipeline, connect an air collector 14 that is arranged in the water tank 15 by pipeline again, an oxygen concentration instrument 13 is set on the pipeline between strainer 12 and the air collector 14 simultaneously.
Embodiment 1
(microwave tube is the device that electric energy is converted into micro-wave energy to a microwave device of being furnished with power 750W microwave tube.Because of transformation efficiency is arranged, so microwave device power is greater than microwave tube power), microwave frequency is 2450 ± 50MHz; Oxygen candle weight is 20g, cylinder shape, diameter 25mm, height 25mm, density 1.6g/cm
3Oxygen candle prescription (weight percent): sodium chlorate (NaClO
3) 86%, barium peroxide (BaO
2) 4%, micron order cupric oxide (CuO) 10%.Oxygen candle is heated to and thermolysis takes place to produce the time of oxygen be 81s from beginning to absorb microwave energy in microwave.
Embodiment 2
Be furnished with the microwave device that power is the 750W microwave tube for one, microwave frequency is 2450 ± 50MHz, oxygen candle weight 20g, diameter 25mm, height 25mm, density 1.6g/cm
3Oxygen candle prescription (weight percent): sodium chlorate (NaClO
3) 80%, barium peroxide 6% (Ba
2O
2), micron cupric oxide (CuO) 10%, kaolin 4%.Oxygen candle is heated to and thermolysis takes place to produce the time of oxygen be 68s from beginning to absorb microwave energy.Obviously, shortened the microwave action time as the kaolinic existence of tackiness agent.
Embodiment 3
In order to strengthen microwave power, shorten action time, make the microwave field strength of whole well heater even, a microwave device that to be furnished with two power be the 1500W microwave tube can be set, and microwave frequency is 2450 ± 50MHz, oxygen candle weight 200g, add and be pressed into cylinder shape, diameter 50mm, height 50mm, density 2g/cm
3Oxygen candle prescription (weight percent): sodium chlorate (NaClO
3) 89%, nano level cupric oxide (CuO) 7%, sodium peroxide (Na
2O
2) 4%.Oxygen candle is heated to and thermolysis takes place to produce the time of oxygen be 55s from beginning to absorb microwave energy.
Embodiment 4
A microwave device of being furnished with two power 1500W microwave tubes, microwave frequency is 2450 ± 50MHz, oxygen candle weight 200g adds and is pressed into cylinder shape, diameter 50mm, height 50mm, density 2g/cm
3Oxygen candle prescription (weight percent): sodium chlorate (NaClO
3) 81%, micron order cobalt oxide (CoO) 8%, sodium peroxide (Na
2O
2) 3%, kaolin 8%.Oxygen candle is heated to and thermolysis takes place to produce the time of oxygen be 129s from beginning to absorb microwave energy.
Embodiment 5
A microwave device of being furnished with two power 1500W microwave tubes, microwave frequency is 2450 ± 50MHz, oxygen candle weight 200g adds and is pressed into cylinder shape, diameter 50mm, height 50mm, density 2g/cm3.Oxygen candle prescription (weight percent): sodium chlorate (NaClO3) 96%, nano level cupric oxide (CuO) 4%.Oxygen candle is heated to and thermolysis takes place to produce the time of oxygen be 99s from beginning to absorb microwave energy.
Claims (16)
1, a kind of method with microwave heated oxygen candle system oxygen, it may further comprise the steps:
(1) get following weight percent component: oxymuriate 80～96%, sensitization catalyzer 4～10%, chlorine-inhibiting agent 0～6%, tackiness agent 0～8%, mixing and being forced into density is 1.5～2g/cm
3, make the oxygen candle;
(2) the oxygen candle is put into the continuous heating of a microwave device and produced oxygen, and oxygen is derived by the air outlet that is arranged on the microwave device.
2, a kind of method with microwave heated oxygen candle system oxygen as claimed in claim 1, it is characterized in that: the frequency of described microwave device is any in the following wave band: 915 ± 25MHz, 2450 ± 50MHz, 5800 ± 75MHz, 22125 ± 125MHz.
3, a kind of method with microwave heated oxygen candle system oxygen as claimed in claim 1 is characterized in that: described sensitization catalyzer comprises one or more the mixing in cobalt oxide, cupric oxide, nickel oxide, cobalt sesquioxide, the nickel sesquioxide.
4, a kind of method with microwave heated oxygen candle system oxygen as claimed in claim 2 is characterized in that: described sensitization catalyzer comprises one or more the mixing in cobalt oxide, cupric oxide, nickel oxide, cobalt sesquioxide, the nickel sesquioxide.
5, as claim 1 or 2 or 3 or 4 described a kind of methods with microwave heated oxygen candle system oxygen, it is characterized in that: described chlorine-inhibiting agent is alkali metal peroxide or basic metal super-oxide.
6, a kind of method with microwave heated oxygen candle system oxygen as claimed in claim 5, it is characterized in that: described chlorine-inhibiting agent is barium oxide, barium peroxide, sodium peroxide, sodium superoxide.
7, as claim 1 or 2 or 3 or 4 or 6 described a kind of methods with microwave heated oxygen candle system oxygen, it is characterized in that: described tackiness agent is kaolin or attapulgite.
8, a kind of method with microwave heated oxygen candle system oxygen as claimed in claim 5, it is characterized in that: described tackiness agent is kaolin or attapulgite.
9, a kind of oxygen candle with microwave heated oxygen candle system oxygen is characterized in that: by following weight percent component: oxymuriate 80～96%, and sensitization catalyzer 4～10%, chlorine-inhibiting agent 0～6%, tackiness agent 0～8%, mixing and being forced into density is 1.5～2g/cm
3, be made.
10, a kind of oxygen candle with microwave heated oxygen candle system oxygen as claimed in claim 9 is characterized in that: described sensitization catalyzer comprises one or more the mixing in cobalt oxide, cupric oxide, nickel oxide, cobalt sesquioxide, the nickel sesquioxide.
11, as claim 9 or 10 described a kind of oxygen candles with microwave heated oxygen candle system oxygen, it is characterized in that: described chlorine-inhibiting agent is alkali metal peroxide or basic metal super-oxide.
12, a kind of oxygen candle with microwave heated oxygen candle system oxygen as claimed in claim 11, it is characterized in that: described chlorine-inhibiting agent is barium oxide, barium peroxide, sodium peroxide, sodium superoxide.
13, as claim 9 or 10 and 12 described a kind of oxygen candles with microwave heated oxygen candle system oxygen, it is characterized in that: described tackiness agent is kaolin, attapulgite.
14, a kind of oxygen candle with microwave heated oxygen candle system oxygen as claimed in claim 11, it is characterized in that: described tackiness agent is kaolin, attapulgite.
15, a kind of device with microwave heated oxygen candle system oxygen, it is characterized in that: it comprises a casing, is connected with a microwave energy-feeding mouth on casing, one infrared temperature instrument, one heating controlling box, a pallet of placing the oxygen candle is arranged in the described casing, and an oxygen outlet is set on described casing.
16, a kind of device with microwave heated oxygen candle system oxygen as claimed in claim 15 is characterized in that: it comprises that also one is located at the quartzy bottle on the described oxygen candle, and described quartzy bottle top is provided with an oxygen catheter that connects described oxygen outlet.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510115869 CN1962415A (en) | 2005-11-10 | 2005-11-10 | Method for producing oxygen by microwave heated oxygen candle and oxygen candle and microwave device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510115869 CN1962415A (en) | 2005-11-10 | 2005-11-10 | Method for producing oxygen by microwave heated oxygen candle and oxygen candle and microwave device |
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| CN1962415A true CN1962415A (en) | 2007-05-16 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103213948A (en) * | 2012-12-12 | 2013-07-24 | 湖北航天化学技术研究所 | Temperature-insensitive oxygen candle |
| CN104028279A (en) * | 2014-06-10 | 2014-09-10 | 浙江大学 | Chromium and copper binary compound catalyst and preparation method thereof |
| CN108083234A (en) * | 2017-12-29 | 2018-05-29 | 陕西斯达防爆安全科技股份有限公司 | A kind of oxygen candle medicine |
| CN110357042A (en) * | 2019-06-28 | 2019-10-22 | 湖北航鹏化学动力科技有限责任公司 | A kind of electromagnetic heating type method for producing oxygen through and oxygen generator |
| CN113912017A (en) * | 2021-10-31 | 2022-01-11 | 中国船舶重工集团公司第七一八研究所 | Oxygen candle oxygen production medicine core and preparation method thereof |
-
2005
- 2005-11-10 CN CN 200510115869 patent/CN1962415A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103213948A (en) * | 2012-12-12 | 2013-07-24 | 湖北航天化学技术研究所 | Temperature-insensitive oxygen candle |
| CN104028279A (en) * | 2014-06-10 | 2014-09-10 | 浙江大学 | Chromium and copper binary compound catalyst and preparation method thereof |
| CN108083234A (en) * | 2017-12-29 | 2018-05-29 | 陕西斯达防爆安全科技股份有限公司 | A kind of oxygen candle medicine |
| CN108083234B (en) * | 2017-12-29 | 2020-11-13 | 陕西斯达防爆安全科技股份有限公司 | Oxygen candle medicine |
| CN110357042A (en) * | 2019-06-28 | 2019-10-22 | 湖北航鹏化学动力科技有限责任公司 | A kind of electromagnetic heating type method for producing oxygen through and oxygen generator |
| CN110357042B (en) * | 2019-06-28 | 2024-05-03 | 湖北航鹏化学动力科技有限责任公司 | Electromagnetic heating type oxygen generation method and oxygen generator |
| CN113912017A (en) * | 2021-10-31 | 2022-01-11 | 中国船舶重工集团公司第七一八研究所 | Oxygen candle oxygen production medicine core and preparation method thereof |
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