CN109569263A - A kind of preparation method of new medical carbon-dioxide absorbent - Google Patents
A kind of preparation method of new medical carbon-dioxide absorbent Download PDFInfo
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- CN109569263A CN109569263A CN201811599841.3A CN201811599841A CN109569263A CN 109569263 A CN109569263 A CN 109569263A CN 201811599841 A CN201811599841 A CN 201811599841A CN 109569263 A CN109569263 A CN 109569263A
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- carbon
- dioxide absorbent
- powder
- calcium hydroxide
- plate
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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
-
- 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
- B01D2257/00—Components to be removed
- B01D2257/50—Carbon oxides
- B01D2257/504—Carbon dioxide
-
- 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
Abstract
The invention discloses a kind of preparation methods of new medical carbon-dioxide absorbent, including step 1: choosing high cleanliness calcium hydroxide, crushed by grinder, 800 meshes is recycled to shake smashed sieve, refinement calcium hydroxide powder is obtained, and the collection of calcium hydroxide powder is spare；Step 2: the calcium hydroxide powder that step 1 obtains is mixed with calcium chloride, sodium silicoaluminate and pva powder, and the double leaf blender inside stainless steel is recycled to be stirred it；Step 3: ethyl violet solution, adsorption indicator and triethanolamine solution is added in the mixed-powder that step 2 is mixed to get and is stirred, uniform carbon-dioxide absorbent slurry is obtained.Carbon-dioxide absorbent overturns existing graininess, using sieve-like pie plate, remove from graininess it is filling when concussion screening powder, hydrophilic filter paper is green product, can second decomposition, reduce environmental pollution.
Description
Technical field
The invention belongs to field of medical technology, and in particular to a kind of preparation method of new medical carbon-dioxide absorbent.
Background technique
Carbon dioxide absorbent for medical use is the mixture of calcium oxide and sodium hydroxide, pink added with color indicator or
Person's white granular object, carbon dioxide absorber are used to absorb the carbon dioxide that patient breathes out in breathing circuit for anesthesia, be suitable for
Domestic and international various Anesthesia machines are indispensable parts in closed circuit anesthesia, and it is raw that the country has more carbon dioxide absorbers
Producer is produced, but carbon-dioxide absorbent product particle internal bond is poor, more soft, is easy during transportation and makes
With rear generation a large amount of dust.Current home products it is generally existing easily generate fine powder the shortcomings that.It is easy after placing a period of time
Generate powder.The environment of contaminated operation room when especially being poured out from ventilator storage tank after use.The two of domestic production at present
Oxidation absorbent carbon intensity is low, and absorptivity is relatively low.This is breakneck in closed circuit anesthesia, so being badly in need of researching and developing
A kind of absorptivity is strong, and stability is good, it is not easy to generate the New Absorbent of dust.
Summary of the invention
The purpose of the present invention is to provide a kind of preparation methods of new medical carbon-dioxide absorbent, to solve above-mentioned back
The carbon-dioxide absorbent product particle internal bond proposed in scape technology is poor, more soft, be easy during transportation and
A large amount of dust is generated after use.Current home products it is generally existing easily generate fine powder the shortcomings that.After placing a period of time
It is easy to produce powder.The environment of contaminated operation room when especially being poured out from ventilator storage tank after use.Domestic production at present
Carbon-dioxide absorbent intensity it is low, the relatively low problem of absorptivity.
To achieve the above object, the invention provides the following technical scheme: a kind of system of new medical carbon-dioxide absorbent
Preparation Method, including following material: calcium hydroxide 35-38 parts by weight, water 20-25 parts by weight, calcium chloride 10-12 parts by weight, sial
Sour sodium 8-10 parts by weight, polyvinyl alcohol 6-8 parts by weight, adsorption indicator 2-3 parts by weight, ethyl violet solution 3-4 parts by weight；
Step 1: choosing high cleanliness calcium hydroxide, crushed by grinder, recycles 800 meshes by smashed sieve
It shakes, obtains refinement calcium hydroxide powder, and the collection of calcium hydroxide powder is spare.
Step 2: the calcium hydroxide powder that step 1 obtains is mixed with calcium chloride, sodium silicoaluminate and pva powder
Preparation is closed, the double leaf blender inside stainless steel is recycled to be stirred it.
Step 3: ethyl violet solution, adsorption indicator and magnesium chloride, hydrogen is added in the mixed-powder that step 2 is mixed to get
Lithia or triethanolamine solution are stirred, and obtain uniform carbon-dioxide absorbent slurry, roller bearing technology above and below recycling
Single screw rod mixing extruder carries out extrusion work to it, then is compacted obtain using extruding roller bearing again by the covering of upper and lower filter paper
Plate.
Step 4: customization circular die tooth stake roller bearing, the plate that step 3 is squeezed are rolled using the stake of circular die tooth
Axis is pressed into cake sieve-like plate, obtains the carbon dioxide cake sieve-like plate with assimilation effect, recycles infrared heating
Continuous tunnel furnace carries out being evenly heated drying to cake sieve-like plate.
Step 5: by cylindrical shape made of hydrophilic filter paper, being put into sponge in the bottom of cylinder, then step 4 is obtained
Carbon dioxide cake sieve-like plate after drying is put into, and is subsequently placed into one layer of corrugated roll made of hydrophilic filter paper into height
For the cylinder of 1cm, then internally it is put into carbon dioxide cake cribriform plate；And so on the needs that are added to height, fallen folded
After will be covered above with hydrophilic filter paper again, obtain strong with absorptivity, stability is good, it is not easy to generate the cylinder of dust
Shape carbon-dioxide absorbent, cylindric carbon-dioxide absorbent both ends are equipped with air hole.
Further, the mixing time of double leaf blender is 1-1.5h in the step 2.
Further, the corrugated paper in the step 5 is in labyrinth honeycomb shape, it is intended to form cross-ventilation and fully absorb
Carbon dioxide.
Further, mixing time used in mixed-powder is 15-20min in the step 3, and single screw rod stirring squeezes out
Machine squeezes out with a thickness of 3-4mm.
Further, the infrared heating continuous tunnel furnace in the step 4 is 20m length infrared heating continuous tunnel furnace, and is added
Hot temperature is 70-100 °C, and tunnel drying rate is 10-15 meters/min.
Further, in the step 5 sponge with a thickness of 2cm, cylindric carbon dioxide that the step 5 obtains is inhaled
Receive is superposing type, arranged type or takeup type inside agent.
Compared with prior art, the beneficial effects of the present invention are: compared to conventional absorbents, sodium hydroxide is free of, is free of
Potassium hydroxide composition can ensure that and effectively absorb carbon dioxide during low flow anesthesia, without volatile anesthetic of degrading
Agent, will not generate the by-products such as carbon monoxide, formaldehyde, methanol, compound A, dustlessization design, and high rigidity performance can be reduced
The generation of dust in transport, and there is no corrosivity to skin, carbon-dioxide absorbent overturns existing graininess, using sieve-like
Pie plate, remove from graininess it is filling when concussion screening powder, hydrophilic filter paper is green product, can be secondary point
Solution, reduces environmental pollution.
Detailed description of the invention
Fig. 1 is a kind of superposing type cylindrical shape carbon dioxide of the preparation method of new medical carbon-dioxide absorbent of the present invention
Absorbent structure schematic diagram.
Fig. 2 is a kind of arranged type cylindrical shape carbon dioxide of the preparation method of new medical carbon-dioxide absorbent of the present invention
Absorbent structure schematic diagram.
Fig. 3 is a kind of takeup type cylindrical shape carbon dioxide of the preparation method of new medical carbon-dioxide absorbent of the present invention
Absorbent structure schematic diagram.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1
As shown in Figure 1, a kind of preparation method of new medical carbon-dioxide absorbent, including following material: 35 weight of calcium hydroxide
Measure part, 20 parts by weight of water, 10 parts by weight of calcium chloride, 8 parts by weight of sodium silicoaluminate, 6 parts by weight of polyvinyl alcohol, 2 weight of adsorption indicator
Measure part, 3 parts by weight of ethyl violet solution；
Step 1: choosing high cleanliness calcium hydroxide, crushed by grinder, recycles 800 meshes by smashed sieve
It shakes, obtains refinement calcium hydroxide powder, and the collection of calcium hydroxide powder is spare.
Step 2: the calcium hydroxide powder that step 1 obtains is mixed with calcium chloride, sodium silicoaluminate and pva powder
Preparation is closed, the double leaf blender inside stainless steel is recycled to be stirred it.
Step 3: it is molten that ethyl violet solution, adsorption indicator and magnesium chloride is added in the mixed-powder that step 2 is mixed to get
Liquid is stirred, and obtains uniform carbon-dioxide absorbent slurry, recycles the single screw rod mixing extruder pair of roller bearing technology up and down
It carries out extrusion work, then is compacted obtain plate using extruding roller bearing again by the covering of upper and lower filter paper.
Step 4: customization circular die tooth stake roller bearing, the plate that step 3 is squeezed are rolled using the stake of circular die tooth
Axis is pressed into cake sieve-like plate, obtains the carbon dioxide cake sieve-like plate with assimilation effect, recycles infrared heating
Continuous tunnel furnace carries out being evenly heated drying to cake sieve-like plate.
Step 5: by cylindrical shape made of hydrophilic filter paper, being put into sponge in the bottom of cylinder, then step 4 is obtained
Carbon dioxide cake sieve-like plate after drying is put into, and is subsequently placed into one layer of corrugated roll made of hydrophilic filter paper into height
For the cylinder of 1cm, then internally it is put into carbon dioxide cake cribriform plate；And so on the needs that are added to height, fallen folded
After will be covered above with hydrophilic filter paper again, obtain strong with absorptivity, stability is good, it is not easy to generate the cylinder of dust
Shape carbon-dioxide absorbent, cylindric carbon-dioxide absorbent both ends are equipped with air hole.
Wherein, the mixing time of double leaf blender is 1h in the step 2.
Wherein, the corrugated paper in the step 5 is in labyrinth honeycomb shape, it is intended to form cross-ventilation and fully absorb dioxy
Change carbon.
Wherein, mixing time used in mixed-powder is 15min in the step 3, and single screw rod mixing extruder squeezes out thickness
Degree is 3mm.
Wherein, the infrared heating continuous tunnel furnace in the step 4 is 20m length infrared heating continuous tunnel furnace, and heats temperature
Degree is 70 DEG C, and tunnel drying rate is 10m/min.
Wherein, in the step 5 sponge with a thickness of 2cm, cylindric carbon-dioxide absorbent that the step 5 obtains
Inside is superposing type.
Embodiment 2
As shown in Fig. 2, a kind of preparation method of new medical carbon-dioxide absorbent, including following material: calcium hydroxide 36.5
Parts by weight, 22.5 parts by weight of water, 11 parts by weight of calcium chloride, 9 parts by weight of sodium silicoaluminate, 7 parts by weight of polyvinyl alcohol, adsorption indicator
2.5 parts by weight, 3.5 parts by weight of ethyl violet solution；
Step 1: choosing high cleanliness calcium hydroxide, crushed by grinder, recycles 800 meshes by smashed sieve
It shakes, obtains refinement calcium hydroxide powder, and the collection of calcium hydroxide powder is spare.
Step 2: the calcium hydroxide powder that step 1 obtains is mixed with calcium chloride, sodium silicoaluminate and pva powder
Preparation is closed, the double leaf blender inside stainless steel is recycled to be stirred it.
Step 3: ethyl violet solution, adsorption indicator and lithium hydroxide is added in the mixed-powder that step 2 is mixed to get
Solution is stirred, and obtains uniform carbon-dioxide absorbent slurry, recycles the single screw rod mixing extruder of roller bearing technology up and down
Extrusion work is carried out to it, then is compacted obtain plate using extruding roller bearing again by the covering of upper and lower filter paper.
Step 4: customization circular die tooth stake roller bearing, the plate that step 3 is squeezed are rolled using the stake of circular die tooth
Axis is pressed into cake sieve-like plate, obtains the carbon dioxide cake sieve-like plate with assimilation effect, recycles infrared heating
Continuous tunnel furnace carries out being evenly heated drying to cake sieve-like plate.
Step 5: by cylindrical shape made of hydrophilic filter paper, being put into sponge in the bottom of cylinder, then step 4 is obtained
Carbon dioxide cake sieve-like plate after drying is put into, and is subsequently placed into one layer of corrugated roll made of hydrophilic filter paper into height
For the cylinder of 1cm, then internally it is put into carbon dioxide cake cribriform plate；And so on the needs that are added to height, fallen folded
After will be covered above with hydrophilic filter paper again, obtain strong with absorptivity, stability is good, it is not easy to generate the cylinder of dust
Shape carbon-dioxide absorbent, cylindric carbon-dioxide absorbent both ends are equipped with air hole.
Wherein, the mixing time of double leaf blender is 1.25h in the step 2.
Wherein, the corrugated paper in the step 5 is in labyrinth honeycomb shape, it is intended to form cross-ventilation and fully absorb dioxy
Change carbon.
Wherein, mixing time used in mixed-powder is 17.5min in the step 3, and single screw rod mixing extruder squeezes out
With a thickness of 3.5mm.
Wherein, the infrared heating continuous tunnel furnace in the step 4 is 20m length infrared heating continuous tunnel furnace, and heats temperature
Degree is 85 DEG C, and tunnel drying rate is 12.5m/min.
Wherein, in the step 5 sponge with a thickness of 2cm, cylindric carbon-dioxide absorbent that the step 5 obtains
Inside is arranged type.
Embodiment 3
As shown in figure 3, a kind of preparation method of new medical carbon-dioxide absorbent, including following material: 38 weight of calcium hydroxide
Measure part, 25 parts by weight of water, 12 parts by weight of calcium chloride, 10 parts by weight of sodium silicoaluminate, 8 parts by weight of polyvinyl alcohol, 3 weight of adsorption indicator
Measure part, 4 parts by weight of ethyl violet solution；
Step 1: choosing high cleanliness calcium hydroxide, crushed by grinder, recycles 800 meshes by smashed sieve
It shakes, obtains refinement calcium hydroxide powder, and the collection of calcium hydroxide powder is spare.
Step 2: the calcium hydroxide powder that step 1 obtains is mixed with calcium chloride, sodium silicoaluminate and pva powder
Preparation is closed, the double leaf blender inside stainless steel is recycled to be stirred it.
Step 3: ethyl violet solution, adsorption indicator and triethanolamine is added in the mixed-powder that step 2 is mixed to get
Solution is stirred, and obtains uniform carbon-dioxide absorbent slurry, recycles the single screw rod mixing extruder of roller bearing technology up and down
Extrusion work is carried out to it, then is compacted obtain plate using extruding roller bearing again by the covering of upper and lower filter paper.
Step 4: customization circular die tooth stake roller bearing, the plate that step 3 is squeezed are rolled using the stake of circular die tooth
Axis is pressed into cake sieve-like plate, obtains the carbon dioxide cake sieve-like plate with assimilation effect, recycles infrared heating
Continuous tunnel furnace carries out being evenly heated drying to cake sieve-like plate.
Step 5: by cylindrical shape made of hydrophilic filter paper, being put into sponge in the bottom of cylinder, then step 4 is obtained
Carbon dioxide cake sieve-like plate after drying is put into, and is subsequently placed into one layer of corrugated roll made of hydrophilic filter paper into height
For the cylinder of 1cm, then internally it is put into carbon dioxide cake cribriform plate；And so on the needs that are added to height, fallen folded
After will be covered above with hydrophilic filter paper again, obtain strong with absorptivity, stability is good, it is not easy to generate the cylinder of dust
Shape carbon-dioxide absorbent, cylindric carbon-dioxide absorbent both ends are equipped with air hole.
Wherein, the mixing time of double leaf blender is 1.5h in the step 2.
Wherein, the corrugated paper in the step 5 is in labyrinth honeycomb shape, it is intended to form cross-ventilation and fully absorb dioxy
Change carbon.
Wherein, mixing time used in mixed-powder is 20min in the step 3, and single screw rod mixing extruder squeezes out thickness
Degree is 4mm.
Wherein, the infrared heating continuous tunnel furnace in the step 4 is 20m length infrared heating continuous tunnel furnace, and heats temperature
Degree is 100 DEG C, and tunnel drying rate is 15m/min.
Wherein, in the step 5 sponge with a thickness of 2cm, cylindric carbon-dioxide absorbent that the step 5 obtains
Inside is takeup type.
The working principle of the invention: carbon-dioxide absorbent overturns existing graininess, using sieve-like pie plate, removes from
Powder is screened in concussion when graininess is filling, and hydrophilic filter paper is green product, can second decomposition, it is dirty to reduce environment
Dye, two faces are prevented dust from splashing, are passed through filtering carbon-dioxide absorbent sieve-like plate using the stickup covering of hydrophilic filter paper up and down
The setting in hole, it is intended to air flowing fastly can sufficient absorbing carbon dioxide, carbon-dioxide absorbent sieve-like plate and plate it
Between be isolated using corrugated paper shape, form labyrinth honeycomb shape and be intended to be formed cross-ventilation and fully absorb carbon dioxide, titanium dioxide
Absorbent carbon sieve-like plate is filling using cylinder tank made of hydrophilic filter paper, it is intended to and more filtering dust prevents dust spluttering,
Air is purified, carbon-dioxide absorbent sieve-like plate filter paper tubbiness is filling, replacement can be directly taken out after use, more
The utilization of big degree, reduces pollution and the environmental contaminants of air.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of preparation method of new medical carbon-dioxide absorbent, which is characterized in that including following material: calcium hydroxide
35-38 parts by weight, water 20-25 parts by weight, calcium chloride 10-12 parts by weight, sodium silicoaluminate 8-10 parts by weight, polyvinyl alcohol 6-8 weight
Measure part, adsorption indicator 2-3 parts by weight, ethyl violet solution 3-4 parts by weight；
Step 1: choosing high cleanliness calcium hydroxide, crushed by grinder, recycles 800 meshes by smashed sieve
It shakes, obtains refinement calcium hydroxide powder, and the collection of calcium hydroxide powder is spare,
Step 2: the calcium hydroxide powder that step 1 obtains carries out mixing system with calcium chloride, sodium silicoaluminate and pva powder
It is standby, recycle the double leaf blender inside stainless steel to be stirred it,
Step 3: ethyl violet solution, adsorption indicator and magnesium chloride, hydroxide is added in the mixed-powder that step 2 is mixed to get
Lithium or triethanolamine solution are stirred, and obtain uniform carbon-dioxide absorbent slurry, recycle single spiral shell of roller bearing technology up and down
Bar mixing extruder carries out extrusion work to it, then is compacted obtain plate using extruding roller bearing again by the covering of upper and lower filter paper
Block,
Step 4: customization circular die tooth stake roller bearing, the plate that step 3 is squeezed utilize circular die tooth stake roller bearing pressure
Cake sieve-like plate is made, obtains the carbon dioxide cake sieve-like plate with assimilation effect, recycles infrared heating tunnel
Furnace carries out being evenly heated drying to cake sieve-like plate,
Step 5: by cylindrical shape made of hydrophilic filter paper, sponge, then the drying that step 4 is obtained are put into the bottom of cylinder
Carbon dioxide cake sieve-like plate afterwards is put into, and is subsequently placed into one layer of corrugated roll made of hydrophilic filter paper at being highly
The cylinder of 1cm, then internally it is put into carbon dioxide cake cribriform plate；And so on the needs that are added to height, fall knot folded
Shu Houzai will be covered above with hydrophilic filter paper, obtain strong with absorptivity, and stability is good, it is not easy to generate the cylindrical shape of dust
Carbon-dioxide absorbent, cylindric carbon-dioxide absorbent both ends are equipped with air hole.
2. a kind of preparation method of new medical carbon-dioxide absorbent according to claim 1, it is characterised in that: described
The mixing time of double leaf blender is 1-1.5h in step 2.
3. a kind of preparation method of new medical carbon-dioxide absorbent according to claim 1, it is characterised in that: described
Corrugated paper in step 5 is in labyrinth honeycomb shape, it is intended to form cross-ventilation and fully absorb carbon dioxide.
4. a kind of preparation method of new medical carbon-dioxide absorbent according to claim 1, it is characterised in that: described
Mixing time used in mixed-powder is 15-20min in step 3, and single screw rod mixing extruder squeezes out with a thickness of 3-4mm.
5. a kind of preparation method of new medical carbon-dioxide absorbent according to claim 1, it is characterised in that: described
Infrared heating continuous tunnel furnace in step 4 is 20m length infrared heating continuous tunnel furnace, and heating temperature is 70-100 °C, tunnel
Drying rate is 10-15 meters/min.
6. a kind of preparation method of new medical carbon-dioxide absorbent according to claim 1, it is characterised in that: described
In step 5 sponge with a thickness of 2cm, be superposing type, arrangement inside cylindric carbon-dioxide absorbent that the step 5 obtains
Formula or takeup type.
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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 |
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Application publication date: 20190405 |
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