CN107827082A - A kind of potassium superoxide piece and its forming method - Google Patents
A kind of potassium superoxide piece and its forming method Download PDFInfo
- Publication number
- CN107827082A CN107827082A CN201711176819.3A CN201711176819A CN107827082A CN 107827082 A CN107827082 A CN 107827082A CN 201711176819 A CN201711176819 A CN 201711176819A CN 107827082 A CN107827082 A CN 107827082A
- Authority
- CN
- China
- Prior art keywords
- potassium superoxide
- piece
- potassium
- superoxide
- sheetmolding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
- C01B13/02—Preparation of oxygen
- C01B13/0203—Preparation of oxygen from inorganic compounds
- C01B13/0211—Peroxy compounds
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B7/00—Respiratory apparatus
- A62B7/08—Respiratory apparatus containing chemicals producing oxygen
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Emergency Medicine (AREA)
- General Chemical & Material Sciences (AREA)
- Pulmonology (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
The present invention relates to a kind of potassium superoxide sheetmolding method, comprise the following steps：Potassium superoxide powder is uniformly mixed to prepare powder mixture with auxiliary material, and the addition of auxiliary material is the 15 16% of potassium superoxide powder gross mass, and it is 14 that auxiliary material, which includes mass ratio,:（1‑2）Potassium hydroxide and COPPER OXYCHLORIDE 37,5；Powder mixture adds a diameter of 6 12mm, highly in 2.5 2.7mm cylindrical die, under 80 90MPa pressure compacting form potassium superoxide piece.The characteristics of being had using potassium superoxide piece made from above method and improve potassium superoxide piece intensity, while not reducing its specific surface area.
Description
Technical field
The present invention relates to isolation type chemical-oxygen self-rescuer sheet potassium superoxide oxygen generating agent field, and in particular to a kind of super oxygen
Change potassium piece and its forming method.
Background technology
In the fields such as aviation, submarine, mine, some in particular cases need human body confined space survive one section when
Between.Human body when confined space is survived for a long time, it is necessary to control the carbon dioxide and oxygen of confined space to balance, oxygen it is too low or
Person's carbon dioxide is too high all can be fatal.
At present, regenerative agent is used as usually using potassium superoxide, with the absorbing carbon dioxide adaptable with human body respiration entropy simultaneously
Release oxygen simultaneously.Because the apparent gravity of potassium superoxide powder is 0.4-0.6g/mL, true specific gravity 2.136g/mL.If directly
Used as regenerative agent, tablet is loose, intensity is poor, is shaken by external force and easily produces a large amount of dust, it has not been convenient to used.
The content of the invention
It is an object of the invention to provide a kind of potassium superoxide sheetmolding method, and it, which has, improves potassium superoxide piece intensity, together
When the characteristics of not reducing its specific surface area.
The present invention above-mentioned technical purpose technical scheme is that：A kind of potassium superoxide sheetmolding side
Method, comprise the following steps：
Potassium superoxide powder is uniformly mixed to prepare powder mixture with auxiliary material, and the addition of auxiliary material is potassium superoxide powder gross mass
15-16%, auxiliary material include mass ratio be 14:The potassium hydroxide and COPPER OXYCHLORIDE 37,5 of (1-2)；
Powder mixture adds a diameter of 6-12mm, highly in 2.5-2.7mm cylindrical die, in 80-90MPa pressure
Lower compacting forms potassium superoxide piece.
Using above technical scheme, potassium hydroxide is added in potassium superoxide powder, for absorbing carbon dioxide；COPPER OXYCHLORIDE 37,5
As catalyst, delay potassium superoxide powder puts oxygen speed, potassium superoxide powder and potassium hydroxide and COPPER OXYCHLORIDE 37,5 according to
Upper proportioning is mixed, and the breathing entropy of potassium superoxide piece and human body made from convenience is matched.
The proportioning of potassium superoxide powder and auxiliary material is adjusted, and coordinates and is suppressed under 80-90MPa pressure, is made
Potassium superoxide piece there is higher intensity, while its specific surface area will not be reduced again, be easy to and the carbon dioxide gas in air
Body and vapor fully contact.
Further, the oxygen content of potassium superoxide powder is not less than 30%.
Using above potassium superoxide powder as raw material, the oxygen content of the potassium superoxide piece of final molding is improved.
Preferably, the particle diameter of potassium hydroxide is no more than 60 mesh.
Preferably, the particle diameter of COPPER OXYCHLORIDE 37,5 is no more than 60 mesh.
Using above technical scheme, potassium superoxide powder mixes with the potassium hydroxide in the particle size range and COPPER OXYCHLORIDE 37,5,
The uniform mixability between each component is improved, facilitates intensity that is compressing, and ensureing enough.
Further, temperature is not higher than 25 DEG C during preparing potassium superoxide piece.
Preferably, relative humidity is less than 35% during preparing potassium superoxide piece.
The easy moisture absorption of raw material used in potassium superoxide piece is prepared, regulation prepares the temperature and humidity in potassium superoxide blade technolgy
Within the range, reduce raw material moisture absorption, improve the mixing efficiencies of each raw material components, make final obtained potassium superoxide piece have compared with
Good intensity, and the cementation between each component is preferable, reduces dust rate.
Another object of the present invention is to provide a kind of potassium superoxide piece.
The above-mentioned purpose of the present invention is achieved by the following technical programs：A kind of potassium superoxide piece, surpass according to above-mentioned
Potassium oxide sheetmolding method is made.
Preferably, the specific surface area of potassium superoxide piece is 0.45-0.55m2/g。
Preferably, the porosity of potassium superoxide piece is 42-48%.
Using above technical scheme, obtained potassium superoxide piece has suitable surface area and hole according to the method described above
Rate, available for the sheet potassium superoxide oxygen generating agent of isolation type chemical-oxygen self-rescuer, meet the regulation in MT427-1995.
In summary, the invention has the advantages that：
1st, potassium superoxide powder mixes with potassium hydroxide, COPPER OXYCHLORIDE 37,5, and tabletted under 80-90MPa pressure, is made
Potassium superoxide piece there is preferable intensity, and dust rate is relatively low, available in isolation type chemical-oxygen self-rescuer；
2nd, potassium superoxide powder coordinates for the carbon dioxide in absorption air with potassium hydroxide, potassium superoxide piece is connect with air
Contacting surface product increase；Potassium superoxide powder mixes with COPPER OXYCHLORIDE 37,5, and regulation potassium superoxide piece puts oxygen speed, to surpass in application
Potassium oxide piece matches with human body respiration entropy, increases comfort.
Embodiment
The present invention is described in further detail with reference to embodiments.
Embodiment one：A kind of potassium superoxide sheetmolding method, comprises the following steps：
Take potassium superoxide powder (particle diameter is 20 mesh) 100g, potassium hydroxide (mesh of particle diameter 60) 14g and the chlorine oxygen that oxygen content is 30%
Change copper (mesh of particle diameter 80) 1g to be uniformly mixed, mixture of powders is made；
Mixture of powders is put into Φ 6mm*2.5mm mould, mixture of powders suppressed under 80MPa pressure to be formed it is super
Potassium oxide piece；The temperature that system is kept in whole preparation process is 25 DEG C, humidity 30%.
Embodiment two：A kind of potassium superoxide sheetmolding method, comprises the following steps：
Take potassium superoxide powder (particle diameter is 20 mesh) 100g, potassium hydroxide (mesh of particle diameter 60) 14g and the chlorine oxygen that oxygen content is 30%
Change copper (mesh of particle diameter 80) 2g to be uniformly mixed, mixture of powders is made；
Mixture of powders is put into Φ 8mm*2.7mm mould, mixture of powders suppressed under 80MPa pressure to be formed it is super
Potassium oxide piece；The temperature that system is kept in whole preparation process is 25 DEG C, humidity 30%.
Embodiment three：A kind of potassium superoxide sheetmolding method, comprises the following steps：
Take potassium superoxide powder (particle diameter is 20 mesh) 100g, potassium hydroxide (mesh of particle diameter 80) 14g and the chlorine oxygen that oxygen content is 31%
Change copper (mesh of particle diameter 100) 2g to be uniformly mixed, mixture of powders is made；
Mixture of powders is put into Φ 9mm*2.7mm mould, mixture of powders suppressed under 90MPa pressure to be formed it is super
Potassium oxide piece；The temperature that system is kept in whole preparation process is 23 DEG C, humidity 25%.
Example IV：A kind of potassium superoxide sheetmolding method, comprises the following steps：
Take potassium superoxide powder (particle diameter is 20 mesh) 100g, potassium hydroxide (mesh of particle diameter 80) 14g and the chlorine oxygen that oxygen content is 31%
Change copper (mesh of particle diameter 120) 2g to be uniformly mixed, mixture of powders is made；
Mixture of powders is put into Φ 9mm*2.7mm mould, mixture of powders suppressed under 90MPa pressure to be formed it is super
Potassium oxide piece；The temperature that system is kept in whole preparation process is 23 DEG C, humidity 20%.
Embodiment five：A kind of potassium superoxide sheetmolding method, comprises the following steps：
Take potassium superoxide powder (particle diameter is 20 mesh) 100g, potassium hydroxide (mesh of particle diameter 80) 14g and the chlorine oxygen that oxygen content is 31%
Change copper (mesh of particle diameter 100) 2g to be uniformly mixed, mixture of powders is made；
Mixture of powders is put into Φ 9mm*2.7mm mould, mixture of powders suppressed under 85MPa pressure to be formed it is super
Potassium oxide piece；The temperature that system is kept in whole preparation process is 23 DEG C, humidity 20%.
Performance test is carried out to potassium superoxide piece made from embodiment one to embodiment five, specific method of testing is as follows：
Effective oxygen：
Mass percent is used to enter for 1% cobalt nitrate solution (excessive relative to potassium superoxide powder) to potassium superoxide powder
Row titration.
Titration reactor used is assembled, it is m to weigh quality0；1-2g potassium superoxides are added in the reactor to be claimed
Amount, it is m to weigh quality1；The quality of potassium superoxide powder is m1-m0.Potassium superoxide powder is titrated, question response is completely simultaneously
After being down to room temperature, the quality for weighing whole device after reacting is m2.Content X (%)=(m of effective oxygen1-m0)/(m1-m2)。
Apparent density is tested：
It is 100g to weigh sample m, is accurate to 0.5g, and the sample weighed up is poured into 250mL graduated cylinders.Hand-held graduated cylinder, makes graduated cylinder axle
Line is vibrated horizontal by 60 degree of angles on table top.Graduated cylinder is rotated in vibration, until the sample plane in graduated cylinder is no longer
Untill decline.Weak vibrations graduated cylinder afterwards, its surface is tended to be horizontal, observe cylinder scale corresponding to sample plane, record body
Product value V.Apparent density D (g/mL) is calculated as follows：D=m/V.
Dust rate is tested：
According in MT427-1995 on dust rate assay method.
It is not smeared with the test of fuel impurity：
It is measured according to " 5.7 " in GJB984-1990.
Specific surface area is tested：Specific surface area test is carried out to obtained sample using mercury injection method.
Porosity is tested：The test of porosity is carried out to obtained sample using mercury injection method.
Potassium superoxide piece made from embodiment one to embodiment five carries out above-mentioned test, specific test result such as table respectively
Shown in 1.
The embodiment one of table 1 to potassium superoxide piece made from embodiment five the performance test results
Using potassium superoxide piece made from embodiment one to embodiment five, its oxygen content is 27% or so.Simulate isolation chemical
During oxygen life saving device, the dust that potassium superoxide piece drops is less, and anti-shake performance is preferable.Using potassium superoxide piece made from this method
When being applied to isolation type chemical-oxygen self-rescuer as medicine plate, anti-seismic performance is preferable, and medicine plate service life is longer.
Comparative example：
Comparative example one：A kind of potassium superoxide sheetmolding method, the difference of itself and embodiment one are：
Mixture of powders is put into Φ 6mm*2.5mm mould, suppresses to form super oxygen by mixture of powders under 60MPa pressure
Change potassium piece.
Comparative example two：A kind of potassium superoxide sheetmolding method, the difference of itself and embodiment one are：Mixture of powders is put into
In Φ 6mm*2.5mm mould, mixture of powders is suppressed to form potassium superoxide piece under 100MPa pressure.
Comparative example three：A kind of potassium superoxide sheetmolding method, the difference of itself and embodiment one are：It is 30% to take oxygen content
Potassium superoxide powder (particle diameter is 20 mesh) 100g, potassium hydroxide (mesh of particle diameter 60) 10g and COPPER OXYCHLORIDE 37,5 (mesh of particle diameter 80) 5g stir
Mix well mixed, obtained mixture of powders.
The performance test results of potassium superoxide piece are as shown in table 2 made from comparative example one to comparative example three.
The comparative example one of table 2 to potassium superoxide piece made from comparative example three the performance test results
| Test event | Comparative example one | Comparative example two | Comparative example three |
| Effective oxygen (%) | 27.4 | 27.3 | 27 |
| Apparent density tests (g/mL) | 0.62 | 0.76 | 0.7 |
| Dust rate tests (%) | 0.7 | 0.3 | 0.58 |
| It is not smeared with the test of fuel impurity | It is qualified | It is qualified | It is qualified |
| Specific surface area (m2/g) | 0.55 | 0.4 | 0.5 |
| Porosity (%) | 47 | 41 | 44 |
From data above, mixture of powders that potassium superoxide powder, potassium hydroxide and COPPER OXYCHLORIDE 37,5 are mixed to prepare.If effect
Too low in the pressure on mixture of powders, obtained potassium superoxide piece dust rate improves, it has not been convenient to uses；If act on powder to mix
Pressure on compound is too high, and obtained potassium superoxide porosity is greatly reduced, itself and in air gas contact area reduce, shadow
Ring oxygen rate of release so that potassium superoxide piece does not match that with human body respiration entropy.
If in addition, increasing the addition of COPPER OXYCHLORIDE 37,5, and the addition of potassium hydroxide is accordingly reduced, to potassium superoxide piece
Oxygen rate of release and absorption rate of carbon dioxide produce considerable influence, are mismatched with human body respiration entropy, it has not been convenient to use.
This specific embodiment is only explanation of the invention, and it is not limitation of the present invention, people in the art
Member can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but as long as at this
All protected in the right of invention by Patent Law.
Claims (9)
- A kind of 1. potassium superoxide sheetmolding method, it is characterised in that comprise the following steps：Potassium superoxide powder is uniformly mixed to prepare powder mixture with auxiliary material, and the addition of auxiliary material is potassium superoxide powder gross mass 15-16%, auxiliary material include mass ratio be 14:（1-2）Potassium hydroxide and COPPER OXYCHLORIDE 37,5；Powder mixture adds a diameter of 6-12mm, highly in 2.5-2.7mm cylindrical die, in 80-90MPa pressure Lower compacting forms potassium superoxide piece.
- 2. potassium superoxide sheetmolding method according to claim 1, it is characterised in that the oxygen content of potassium superoxide powder is not Less than 30%.
- 3. according to the potassium superoxide sheetmolding method described in any one of claim 1 or 2, it is characterised in that the grain of potassium hydroxide Footpath is no more than 60 mesh.
- 4. according to the potassium superoxide sheetmolding method described in any one of claim 1 or 2, it is characterised in that the grain of COPPER OXYCHLORIDE 37,5 Footpath is no more than 60 mesh.
- 5. potassium superoxide sheetmolding method according to claim 4, it is characterised in that during preparing potassium superoxide piece Temperature is not higher than 25 DEG C.
- 6. potassium superoxide sheetmolding method according to claim 5, it is characterised in that during preparing potassium superoxide piece Relative humidity is less than 35%.
- A kind of 7. potassium superoxide piece, it is characterised in that：As the potassium superoxide sheetmolding method system described in claim any one of 1-6 .
- 8. potassium superoxide piece according to claim 7, it is characterised in that：The specific surface area of potassium superoxide piece is 0.45- 0.55m2/g。
- 9. potassium superoxide piece according to claim 8, it is characterised in that：The porosity of potassium superoxide piece is 42-48%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711176819.3A CN107827082A (en) | 2017-11-22 | 2017-11-22 | A kind of potassium superoxide piece and its forming method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711176819.3A CN107827082A (en) | 2017-11-22 | 2017-11-22 | A kind of potassium superoxide piece and its forming method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107827082A true CN107827082A (en) | 2018-03-23 |
Family
ID=61652303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711176819.3A Pending CN107827082A (en) | 2017-11-22 | 2017-11-22 | A kind of potassium superoxide piece and its forming method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107827082A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111905286A (en) * | 2019-05-10 | 2020-11-10 | 张祖雄 | Self-generating oxygen member and self-generating oxygen agent |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4731197A (en) * | 1986-03-20 | 1988-03-15 | Dragerwerk Aktiengesellschaft | Potassium superoxide pellet |
| CN1712348A (en) * | 2004-06-23 | 2005-12-28 | 泽西技术开发有限责任公司 | Oxygen generating composition |
| CN102587968A (en) * | 2012-02-27 | 2012-07-18 | 大连圣迈新材料有限公司 | Air regeneration system for coal mine emergency refuge |
-
2017
- 2017-11-22 CN CN201711176819.3A patent/CN107827082A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4731197A (en) * | 1986-03-20 | 1988-03-15 | Dragerwerk Aktiengesellschaft | Potassium superoxide pellet |
| CN1712348A (en) * | 2004-06-23 | 2005-12-28 | 泽西技术开发有限责任公司 | Oxygen generating composition |
| CN102587968A (en) * | 2012-02-27 | 2012-07-18 | 大连圣迈新材料有限公司 | Air regeneration system for coal mine emergency refuge |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111905286A (en) * | 2019-05-10 | 2020-11-10 | 张祖雄 | Self-generating oxygen member and self-generating oxygen agent |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4036948A (en) | L-ascorbic acid tablets | |
| EP0393964B1 (en) | Acidic gas absorbent and process for production thereof | |
| BR0112903A (en) | Electrostatic powder | |
| US20140166927A1 (en) | Moisture absorbent for organic electroluminescence element and production method for same | |
| EP0049143B1 (en) | Granules of sodium ascorbate and the production thereof | |
| CN107827082A (en) | A kind of potassium superoxide piece and its forming method | |
| CN103936399A (en) | Alumina forming material and its preparation method | |
| US2951791A (en) | Use of calcium silicate in tablet compressing | |
| CN105294164A (en) | Noise absorbent material particle and preparation method thereof | |
| CN103142525B (en) | Olanzapine gastric soluble tablet and preparation method thereof | |
| JPWO2020138335A5 (en) | ||
| US8801977B2 (en) | Enhanced alpha particle emitter | |
| CN102389771A (en) | Method for preparing bell type magnetic mesoporous silica-microsphere absorbent | |
| ES2950142T3 (en) | Lead oxide powder coated, a process for its production and uses | |
| CN107758623A (en) | A kind of potassium superoxide particle and its forming method | |
| Hajratwala | Particle size reduction by a hammer mill I: Effect of output screen size, feed particle size, and mill speed | |
| CN105597680B (en) | A kind of kernel is core-shell type granular activated carbon of powder and preparation method thereof | |
| CN103120168A (en) | Chlorfenapyr and cartap granular preparation | |
| CN103181917B (en) | Potassium aspartate pharmaceutical composition and preparation method thereof | |
| CN107216614B (en) | A kind of composition epoxy resin suitable for fan-out-type wafer-level packaging | |
| CN110279666A (en) | Trimetazidine hydrochloride tablet and preparation method thereof | |
| Kanno et al. | Ammonia formation caused by the presence of water in the wet grinding of silicon nitride powder | |
| CN105368108A (en) | Anion photocureable coating | |
| JPS566161A (en) | Erythropoietin sensitized latex | |
| CN107573203B (en) | A kind of cryogenic gas propellant |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180323 |
|
| RJ01 | Rejection of invention patent application after publication |