CN109499348A - A kind of preparation method of carbon dioxide absorbent for medical use calcium lime - Google Patents
A kind of preparation method of carbon dioxide absorbent for medical use calcium lime Download PDFInfo
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- CN109499348A CN109499348A CN201811599091.XA CN201811599091A CN109499348A CN 109499348 A CN109499348 A CN 109499348A CN 201811599091 A CN201811599091 A CN 201811599091A CN 109499348 A CN109499348 A CN 109499348A
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- absorbent
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/81—Solid phase processes
- B01D53/82—Solid phase processes with stationary reactants
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/62—Carbon oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/40—Alkaline earth metal or magnesium compounds
- B01D2251/404—Alkaline earth metal or magnesium compounds of calcium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/50—Carbon oxides
- B01D2257/504—Carbon dioxide
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The invention discloses a kind of preparation methods of carbon dioxide absorbent for medical use calcium lime, including following weight percentage components: main absorbent 50-55%, moisturizer 3-5%, lithium hydroxide 3-5%, triethanolamine 3-5%, reinforcing agent 3-5%, polyvinyl alcohol 3-5%, PH indicate coloring agent 3-5%, disintegrating agent 3-5%, surplus is water, specific preparation process is as follows: step 1: making main absorbent, it is spare to smash it through 800 mesh winner absorbent powders；Step 2: main absorbent, moisturizer and reinforcing agent are mixed with according to mass percent 77:4:3, prepare the pH instruction dyeing agent solution of 15g/L to PVA solution that is substantially uniform, being 8wt% with immersion method preparation mass fraction within stirring 1 hour.The present invention because calcium hydroxide can be reacted with sour gas C02, and can have certain hardness using calcium hydroxide as main component, not easy to moisture absorption, when preparation, does not generate a large amount of heat, not only low in cost, and keep entire simple process safely controllable, it is suitble to be widely popularized.
Description
Technical field
The present invention relates to field of medical technology, in particular to a kind of preparation side of carbon dioxide absorbent for medical use calcium lime
Method.
Background technique
Early in 1777, Sweden scientist had found that lime water energy absorbs the CO2 that animal breath generates, and in the first time world
During Great War, scientists have invented the sustainable soda lime product used, and in World War II, become soldier in army and breathe
Important component in mask.Carbon dioxide absorber is indispensable part in closed circuit anesthesia, the most common titanium dioxide
Absorbent carbon is white lime, i.e., main absorbent.Certain white lime also there are many kinds of, calcium lime and soda lime, wherein soda lime be
One of the most common type absorbent.Existing Duo Jia soda lime manufacturer, the country, but soda lime product particle internal bond it is poor, compared with
Be it is soft, be easy generate a large amount of dust during transportation.The carbon-dioxide absorbent intensity of domestic production at present is low, absorptivity
It is relatively low.This is breakneck in closed circuit anesthesia, so urgent need will be researched and developed, a kind of absorptivity is strong, the good suction of stability
Receive agent.
Therefore, inventing a kind of preparation method of carbon dioxide absorbent for medical use calcium lime, have very much must to solve the above problems
It wants.
Summary of the invention
The purpose of the present invention is to provide a kind of preparation method of carbon dioxide absorbent for medical use calcium lime, the present invention is free of
Sodium hydroxide is free of potassium hydroxide composition, can ensure that and effectively absorb carbon dioxide during low flow anesthesia, without dropping
Volatile anesthetic is solved, granular size is visibly homogeneous, and dustlessization design, high hardness particle can reduce the production of dust in transport
Raw, and do not have corrosivity to skin, it is canescence that the appearance of product, which is after pink absorbing carbon dioxide, and appearance is that white is inhaled
It is purple after receipts carbon dioxide.For closed anesthesia absorbing carbon dioxide, indicator discoloration is sensitive, is easy to estimate judgement, with
Solve the problems mentioned above in the background art.
To achieve the above object, the invention provides the following technical scheme:
A kind of preparation method of carbon dioxide absorbent for medical use calcium lime, including following weight percentage components: main absorbent
50-55%, moisturizer 3-5%, lithium hydroxide 3-5%, triethanolamine 3-5%, reinforcing agent 3-5%, polyvinyl alcohol 3-5%, PH instruction dye
Toner 3-5%, disintegrating agent 3-5%, surplus is water:
Specific preparation process is as follows:
Step 1: making main absorbent, and it is spare to smash it through 800 mesh winner absorbent powders.
Step 2: main absorbent, moisturizer and reinforcing agent are mixed with according to mass percent 77:4:3, and stirring 1 is small
Up to PVA solution that is substantially uniform, being 8wt% with immersion method preparation mass fraction, the pH instruction dyeing agent solution of 15g/L is prepared；
Step 3: weigh 0.5g/L bonding agent it is soluble in water to basic dissolution, and the alkaline agent solution that 0.75g/L is added stir to
It is substantially uniform, it adds in the solution of step 2；
Step 4: after disintegrating agent is added in the solution that step 3 obtains, continuing stirring 15min becomes uniform sizing material, using
The concussion of porous circular cylinder extruder squeezes out the cylindrical bars that diameter is 3-4mm；
Step 5: the cylindrical bars that step 4 is obtained are 100-120 °C by infrared heating continuous tunnel furnace uniform heating temperature
Drying, tunnel drying time are 5-10min；
Step 6: it is about after cooling 14wt% or so with water atomization to water content by the cylindrical bars that step 5 obtains, then shakes sieve
Concussion filtering dust grinds to obtain calcium lime.
Further, the main absorbent is calcium hydroxide.
Further, the moisturizer is calcium chloride, and the reinforcing agent is sodium silicoaluminate.
Further, the disintegrating agent is sodium carboxymethyl starch.
Further, the alkaline agent is one kind of lithium hydroxide and triethanolamine, to adjust pH value numerical value.
Further, the pH instruction coloring agent is one of titan yellow, Yue base purple or ethyl violet.
Further, the bonding agent is that both polyvinyl alcohol, magnesium chloride are combined to increase color depth, can also be solved
Certainly product pulverizing problem increases product strength.
Technical effect and advantage of the invention:
1, sodium hydroxide is free of, potassium hydroxide composition is free of, can ensure that and effectively absorb titanium dioxide during low flow anesthesia
Carbon, without volatile anesthetic of degrading；
2, the by-products such as carbon monoxide, formaldehyde, methanol and compound A will not be generated:
3, granular size is visibly homogeneous, and dustlessization design, high hardness particle can reduce the generation of dust in transport, and right
Skin does not have corrosivity.
4, the appearance of product to be after pink absorbing carbon dioxide be canescence, appearance, which is after white absorbing carbon dioxide, is
Purple.For closed anesthesia absorbing carbon dioxide, indicator discoloration is sensitive, is easy to estimate judgement.
5, calcium lime is intrinsically safe carbon-dioxide absorbent, is the perfect substitute of traditional soda lime.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical solution in the embodiment of the present invention is clearly and completely retouched
It states, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the present invention
In embodiment, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
Embodiment 1
A kind of preparation method of carbon dioxide absorbent for medical use calcium lime, including following weight percentage components: main absorbent
50%, moisturizer 3%, lithium hydroxide 3%, triethanolamine 3%, reinforcing agent 3%, polyvinyl alcohol 3%, PH indicate coloring agent 3%, disintegrating agent
3%, surplus is water:
Specific preparation process is as follows:
Step 1: making main absorbent, and it is spare to smash it through 800 mesh winner absorbent powders.
Step 2: main absorbent, moisturizer and reinforcing agent are mixed with according to mass percent 77:4:3, and stirring 1 is small
Up to PVA solution that is substantially uniform, being 8wt% with immersion method preparation mass fraction, the pH instruction dyeing agent solution of 15g/L is prepared；
Step 3: weigh 0.5g/L bonding agent it is soluble in water to basic dissolution, and the alkaline agent solution that 0.75g/L is added stir to
It is substantially uniform, it adds in the solution of step 2；
Step 4: after disintegrating agent is added in the solution that step 3 obtains, continuing stirring 15min becomes uniform sizing material, using
The concussion of porous circular cylinder extruder squeezes out the cylindrical bars that diameter is 3-4mm；
Step 5: the cylindrical bars that step 4 is obtained are 100-120 °C by infrared heating continuous tunnel furnace uniform heating temperature
Drying, tunnel drying time are 5-10min；
Step 6: it is about after cooling 14wt% or so with water atomization to water content by the cylindrical bars that step 5 obtains, then shakes sieve
Concussion filtering dust grinds to obtain calcium lime.
Wherein, the main absorbent is calcium hydroxide.
Wherein, the moisturizer is calcium chloride, and the reinforcing agent is sodium silicoaluminate.
Wherein, the disintegrating agent is sodium carboxymethyl starch.
Wherein, the alkaline agent is one kind of lithium hydroxide and triethanolamine, to adjust pH value numerical value.
Wherein, the pH instruction coloring agent is one of titan yellow, Yue base purple or ethyl violet.
Wherein, the bonding agent is that both polyvinyl alcohol, magnesium chloride are combined to increase color depth, can also solve to produce
Product pulverizing problem increases product strength.
Embodiment 2
A kind of preparation method of carbon dioxide absorbent for medical use calcium lime, including following weight percentage components: main absorbent
55%, moisturizer 5%, lithium hydroxide 5%, triethanolamine 5%, reinforcing agent 5%, polyvinyl alcohol 5%, PH indicate coloring agent 5%, disintegrating agent
5%, surplus is water:
Specific preparation process is as follows:
Step 1: making main absorbent, and it is spare to smash it through 800 mesh winner absorbent powders.
Step 2: main absorbent, moisturizer and reinforcing agent are mixed with according to mass percent 77:4:3, and stirring 1 is small
Up to PVA solution that is substantially uniform, being 8wt% with immersion method preparation mass fraction, the pH instruction dyeing agent solution of 15g/L is prepared；
Step 3: weigh 0.5g/L bonding agent it is soluble in water to basic dissolution, and the alkaline agent solution that 0.75g/L is added stir to
It is substantially uniform, it adds in the solution of step 2；
Step 4: after disintegrating agent is added in the solution that step 3 obtains, continuing stirring 15min becomes uniform sizing material, using
The concussion of porous circular cylinder extruder squeezes out the cylindrical bars that diameter is 3-4mm；
Step 5: the cylindrical bars that step 4 is obtained are 100-120 °C by infrared heating continuous tunnel furnace uniform heating temperature
Drying, tunnel drying time are 5-10min；
Step 6: it is about after cooling 14wt% or so with water atomization to water content by the cylindrical bars that step 5 obtains, then shakes sieve
Concussion filtering dust grinds to obtain calcium lime.
Wherein, the main absorbent is calcium hydroxide.
Wherein, the moisturizer is calcium chloride, and the reinforcing agent is sodium silicoaluminate.
Wherein, the disintegrating agent is sodium carboxymethyl starch.
Wherein, the alkaline agent is one kind of lithium hydroxide and triethanolamine, to adjust pH value numerical value.
Wherein, the pH instruction coloring agent is one of titan yellow, Yue base purple or ethyl violet.
Wherein, the bonding agent is that both polyvinyl alcohol, magnesium chloride are combined to increase color depth, can also solve to produce
Product pulverizing problem increases product strength.
Embodiment 3
A kind of preparation method of carbon dioxide absorbent for medical use calcium lime, including following weight percentage components: main absorbent
52.5%, moisturizer 4%, lithium hydroxide 4%, triethanolamine 4%, reinforcing agent 4%, polyvinyl alcohol 4%, PH instruction coloring agent 4%, disintegration
Agent 4%, surplus is water:
Specific preparation process is as follows:
Step 1: making main absorbent, and it is spare to smash it through 800 mesh winner absorbent powders.
Step 2: main absorbent, moisturizer and reinforcing agent are mixed with according to mass percent 77:4:3, and stirring 1 is small
Up to PVA solution that is substantially uniform, being 8wt% with immersion method preparation mass fraction, the pH instruction dyeing agent solution of 15g/L is prepared；
Step 3: weigh 0.5g/L bonding agent it is soluble in water to basic dissolution, and the alkaline agent solution that 0.75g/L is added stir to
It is substantially uniform, it adds in the solution of step 2；
Step 4: after disintegrating agent is added in the solution that step 3 obtains, continuing stirring 15min becomes uniform sizing material, using
The concussion of porous circular cylinder extruder squeezes out the cylindrical bars that diameter is 3-4mm；
Step 5: the cylindrical bars that step 4 is obtained are 100-120 °C by infrared heating continuous tunnel furnace uniform heating temperature
Drying, tunnel drying time are 5-10min；
Step 6: it is about after cooling 14wt% or so with water atomization to water content by the cylindrical bars that step 5 obtains, then shakes sieve
Concussion filtering dust grinds to obtain calcium lime.
Wherein, the main absorbent is calcium hydroxide.
Wherein, the moisturizer is calcium chloride, and the reinforcing agent is sodium silicoaluminate.
Wherein, the disintegrating agent is sodium carboxymethyl starch.
Wherein, the alkaline agent is one kind of lithium hydroxide and triethanolamine, to adjust pH value numerical value.
Wherein, the pH instruction coloring agent is one of titan yellow, Yue base purple or ethyl violet.
Wherein, the bonding agent is that both polyvinyl alcohol, magnesium chloride are combined to increase color depth, can also solve to produce
Product pulverizing problem increases product strength.
The working principle of the invention and process for using: the present invention uses calcium hydroxide as main component, because of hydroxide
Calcium can be reacted with sour gas C02, and have certain hardness, not easy to moisture absorption, and when preparation does not generate a large amount of heat, be produced
Process is easily controllable, not only low in cost, but also keeps entire simple process safely controllable, adds moisture using spray-on process, passes through
Weightening finish method calculates added moisture, the method and regulates and controls sample water split-phase ratio by drying time and temperature, easier to operate
And control, and calcium lime friability is preferable, is not likely to produce fine powder, is not easy drying, C02 absorptivity meets the national drug standards and wants
It asks.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (7)
1. a kind of preparation method of carbon dioxide absorbent for medical use calcium lime, which is characterized in that including following weight percent
Component: main absorbent 50-55%, moisturizer 3-5%, lithium hydroxide 3-5%, triethanolamine 3-5%, reinforcing agent 3-5%, polyvinyl alcohol
3-5%, PH indicate coloring agent 3-5%, disintegrating agent 3-5%, and surplus is water；
Specific preparation process is as follows:
Step 1: making main absorbent, and it is spare to smash it through 800 mesh winner absorbent powders；
Step 2: main absorbent, moisturizer and reinforcing agent are mixed with according to mass percent 77:4:3, stir 1 hour extremely
It is substantially uniform, the PVA solution that mass fraction is 8wt% is prepared with immersion method, prepares the pH instruction dyeing agent solution of 15g/L；
Step 3: weigh 0.5g/L bonding agent it is soluble in water to basic dissolution, and the alkaline agent solution that 0.75g/L is added stir to
It is substantially uniform, it adds in the solution of step 2；
Step 4: after disintegrating agent is added in the solution that step 3 obtains, continuing stirring 15min becomes uniform sizing material, using
The concussion of porous circular cylinder extruder squeezes out the cylindrical bars that diameter is 3-4mm；
Step 5: the cylindrical bars that step 4 is obtained are 100-120 °C by infrared heating continuous tunnel furnace uniform heating temperature
Drying, tunnel drying time are 5-10min；
Step 6: it is about after cooling 14wt% or so with water atomization to water content by the cylindrical bars that step 5 obtains, then shakes sieve
Concussion filtering dust grinds to obtain calcium lime.
2. a kind of preparation method of carbon dioxide absorbent for medical use calcium lime according to claim 1, it is characterised in that: institute
Stating main absorbent is calcium hydroxide.
3. a kind of preparation method of carbon dioxide absorbent for medical use calcium lime according to claim 1, it is characterised in that: institute
Stating moisturizer is calcium chloride, and the reinforcing agent is sodium silicoaluminate.
4. a kind of preparation method of carbon dioxide absorbent for medical use calcium lime according to claim 1, it is characterised in that: institute
Stating disintegrating agent is sodium carboxymethyl starch.
5. a kind of preparation method of carbon dioxide absorbent for medical use calcium lime according to claim 1, it is characterised in that: institute
One kind that alkaline agent is lithium hydroxide and triethanolamine is stated, to adjust pH value numerical value.
6. a kind of preparation method of carbon dioxide absorbent for medical use calcium lime according to claim 1, it is characterised in that: institute
Stating pH instruction coloring agent is one of titan yellow, Yue base purple or ethyl violet.
7. a kind of preparation method of carbon dioxide absorbent for medical use calcium lime according to claim 1, it is characterised in that: institute
Stating bonding agent is that both polyvinyl alcohol, magnesium chloride are combined to increase color depth, can also solve product pulverizing problem, increase
Product strength.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811599091.XA CN109499348A (en) | 2018-12-26 | 2018-12-26 | A kind of preparation method of carbon dioxide absorbent for medical use calcium lime |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811599091.XA CN109499348A (en) | 2018-12-26 | 2018-12-26 | A kind of preparation method of carbon dioxide absorbent for medical use calcium lime |
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| CN109499348A true CN109499348A (en) | 2019-03-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110614020A (en) * | 2019-07-05 | 2019-12-27 | 湖南佰裕科技股份有限公司 | Novel high-strength calcium hydroxide type carbon dioxide absorbent and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1313555B1 (en) * | 2000-08-23 | 2004-07-21 | Molecular Products Limited | Improvements in or relating to carbon dioxide absorbent formulations |
| CN102258938A (en) * | 2010-05-31 | 2011-11-30 | 上海医药工业研究院 | Soda lime as medical carbon dioxide absorbent and preparation method thereof |
| CN104801172A (en) * | 2015-03-29 | 2015-07-29 | 安徽养和医疗器械设备有限公司 | Carbon dioxide adsorbent and preparation method thereof |
| CN107243249A (en) * | 2017-06-22 | 2017-10-13 | 党银喜 | Efficient medical soda lime and preparation method thereof |
-
2018
- 2018-12-26 CN CN201811599091.XA patent/CN109499348A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1313555B1 (en) * | 2000-08-23 | 2004-07-21 | Molecular Products Limited | Improvements in or relating to carbon dioxide absorbent formulations |
| CN102258938A (en) * | 2010-05-31 | 2011-11-30 | 上海医药工业研究院 | Soda lime as medical carbon dioxide absorbent and preparation method thereof |
| CN104801172A (en) * | 2015-03-29 | 2015-07-29 | 安徽养和医疗器械设备有限公司 | Carbon dioxide adsorbent and preparation method thereof |
| CN107243249A (en) * | 2017-06-22 | 2017-10-13 | 党银喜 | Efficient medical soda lime and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110614020A (en) * | 2019-07-05 | 2019-12-27 | 湖南佰裕科技股份有限公司 | Novel high-strength calcium hydroxide type carbon dioxide absorbent and preparation method thereof |
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