CN218422035U - Carbon dioxide purifier during dry ice manufacturing - Google Patents
Carbon dioxide purifier during dry ice manufacturing Download PDFInfo
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- CN218422035U CN218422035U CN202222509139.1U CN202222509139U CN218422035U CN 218422035 U CN218422035 U CN 218422035U CN 202222509139 U CN202222509139 U CN 202222509139U CN 218422035 U CN218422035 U CN 218422035U
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Abstract
The utility model relates to a dry ice processing technology field, concretely relates to carbon dioxide purifier when dry ice is made, including adsorption tower I, adsorption tower I left side end is equipped with the intake pipe, be equipped with valve I in the intake pipe, adsorption tower right side end is equipped with the catalytic tower through connecting pipe I, be equipped with valve two on the connecting pipe I, catalytic tower right side end is equipped with adsorption tower two through connecting pipe two, be equipped with valve three on the connecting pipe two, two right side ends of adsorption tower are equipped with the blast pipe, be equipped with valve four on the blast pipe. The device can be effectual carries out purification treatment to the carbon dioxide when the dry ice is made, and the effectual impurity that contains in with carbon dioxide gas gets rid of, and purifying effect is more ideal, improves the purity of carbon dioxide preparation dry ice, more is fit for using widely.
Description
Technical Field
The utility model relates to a dry ice processing technology field, concretely relates to carbon dioxide purifier when dry ice makes.
Background
Dry ice is a solid form of carbon dioxide, the freezing point of which is minus 78.5 degrees celsius at normal air pressure, is very useful in keeping objects in a frozen or low-temperature state, is colorless, tasteless, nonflammable, and slightly acidic, and has various densities, but generally about 1.4 to 1.6g/cm3, and can rapidly freeze objects and reduce temperature and can be configured by using isolation gloves, and is widely used in many layers, and is directly sublimated from a solid state to a gaseous state when being heated, and is directly converted into a gas to omit a process of converting into a liquid state, so that the phase change does not generate liquid, and is also called as "dry ice";
in the current dry ice preparation method, a pressure refrigeration mode is adopted to prepare carbon dioxide into solid dry ice, the dry ice is often required to be used in the food industry, but the cleanness of the dry ice used in the food industry at present is difficult to guarantee, and therefore, the carbon dioxide purification device used in the dry ice preparation is provided.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the problem that above-mentioned exists, designed a carbon dioxide purifier when dry ice is made.
In order to realize the technical purpose, reach above-mentioned technological effect, the utility model discloses a realize through following technical scheme:
the utility model provides a carbon dioxide purifier when dry ice is made, includes adsorption tower I, adsorption tower I left side end is equipped with the intake pipe, be equipped with valve one in the intake pipe, adsorption tower one right side end is equipped with the catalytic tower through connecting pipe one, be equipped with valve two on the connecting pipe one, catalytic tower right side end is equipped with adsorption tower two through connecting pipe two, be equipped with valve three on the connecting pipe two, two right side ends of adsorption tower are equipped with the blast pipe, be equipped with valve four on the blast pipe.
Furthermore, a molecular sieve is filled in the first adsorption tower.
Furthermore, the catalytic tower is filled with an activated carbon catalyst made of nano nickel, palladium and platinum materials.
Furthermore, an adsorbent of magnesium perchlorate is filled in the second adsorption tower.
Furthermore, the first valve, the second valve, the third valve and the fourth valve all adopt corrosion-resistant electromagnetic valves.
Furthermore, the air inlet pipe, the first connecting pipe, the second connecting pipe and the exhaust pipe are all made of polytetrafluoroethylene pipelines.
Furthermore, an electric heating wire mechanism is arranged on the inner wall of the first adsorption tower.
The beneficial effects of the utility model are that:
the device can be effectual carries out purification treatment to the carbon dioxide when the dry ice is made, and the effectual impurity that contains in with carbon dioxide gas gets rid of, and purifying effect is more ideal, improves the purity of carbon dioxide preparation dry ice, more is fit for using widely.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention.
In the drawings, the reference numbers indicate the following list of parts:
1. a first adsorption tower, a second adsorption tower, a first air inlet pipe, a second air inlet pipe, a first valve, a second valve, a first connecting pipe, a second connecting pipe, a catalytic tower, a second connecting pipe, 7, a second connecting pipe 8, a second adsorption tower 9, a third valve 10, an exhaust pipe 11 and a fourth valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-1, a carbon dioxide purification device during dry ice manufacturing includes a first adsorption tower 1, a left side end of the first adsorption tower 1 is provided with an air inlet pipe 2, the air inlet pipe 2 is provided with a first valve 3, a right side end of the first adsorption tower 1 is provided with a catalytic tower 5 through a first connecting pipe 4, the first connecting pipe 4 is provided with a second valve 6, the right side end of the catalytic tower 5 is provided with a second adsorption tower 8 through a second connecting pipe 7, the second connecting pipe 7 is provided with a third valve 9, the right side end of the second adsorption tower 8 is provided with an exhaust pipe 10, and the exhaust pipe 10 is provided with a fourth valve 11.
Preferably, the adsorption tower 1 is filled with a molecular sieve, and water in the carbon dioxide is removed by the molecular sieve in the adsorption tower 1.
Preferably, the catalytic tower 5 is filled with an activated carbon catalyst made of nano-grade nickel, palladium and platinum materials to convert methane, carbon monoxide, hydrocarbons, oxygen and the like in the carbon dioxide into carbon dioxide and water.
Preferably, the second adsorption tower 8 is filled with an adsorbent of magnesium perchlorate, and the high-purity carbon dioxide is obtained by deep dehydration by using the adsorbent of anhydrous magnesium perchlorate and a chemical adsorption method.
Preferably, the first valve 3, the second valve 6, the third valve 9 and the fourth valve 11 are all corrosion-resistant electromagnetic valves, so that the service life of the gate valve is prolonged.
Preferably, the air inlet pipe 2, the first connecting pipe 4, the second connecting pipe 7 and the exhaust pipe 10 are all made of polytetrafluoroethylene pipelines, so that the service life of the pipelines is prolonged.
Preferably, the inner wall of the first adsorption tower 1 is provided with an electric heating wire mechanism, and the molecular sieve is heated by the electric heating wire mechanism, so that the aim of regenerating the adsorbed water is fulfilled.
The detailed connection means is well known in the art, all the components in the scheme are general standard components or components known to those skilled in the art, and the structure and the principle can be known to the skilled person through technical manuals or through routine experiment methods.
One specific application of this embodiment is:
when the device is used, carbon dioxide gas enters the first adsorption tower 1 through the air inlet pipe 2, pretreatment is completed in the first adsorption tower 1, water in the carbon dioxide is removed through the molecular sieve in the first adsorption tower 1, the carbon dioxide is stable in chemical property, but can generate carbonic acid through reaction with the water, the carbonic acid has strong corrosiveness on metal materials and adsorbents, the carbon dioxide gas after water removal enters the catalytic tower 5 through the first connecting pipe 4 to be subjected to catalytic conversion treatment, dried carbon dioxide is subjected to catalytic conversion through the nano-nickel, palladium and platinum material activated carbon catalysts in the air inlet pipe 2, methane, carbon monoxide, hydrocarbons, oxygen and the like in the carbon dioxide are converted into carbon dioxide and water, the carbon dioxide gas after catalytic conversion enters the second adsorption tower 8 through the second connecting pipe 7 to be subjected to deep purification, the carbon dioxide gas after catalytic conversion contains a small amount of water, the carbon dioxide gas is subjected to deep dehydration through the adsorbent made of anhydrous magnesium perchlorate, and the high-purity carbon dioxide is obtained through a chemical adsorption method.
Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art should be able to make changes, alterations, additions or substitutions within the scope of the present invention.
Claims (7)
1. A carbon dioxide purifier during dry ice manufacture, characterized in that: comprises that
Adsorption tower (1), adsorption tower (1) left side end is equipped with intake pipe (2), be equipped with valve (3) on intake pipe (2), adsorption tower (1) right side end is equipped with catalytic tower (5) through connecting pipe (4), be equipped with valve two (6) on connecting pipe (4), catalytic tower (5) right side end is equipped with adsorption tower two (8) through connecting pipe two (7), be equipped with valve three (9) on connecting pipe two (7), adsorption tower two (8) right side end is equipped with blast pipe (10), be equipped with valve four (11) on blast pipe (10).
2. A carbon dioxide cleaning device in dry ice manufacturing according to claim 1, characterized in that: and the adsorption tower I (1) is filled with a molecular sieve.
3. A carbon dioxide purification apparatus in dry ice manufacture according to claim 1, wherein: the catalytic tower (5) is filled with an active carbon catalyst made of nano nickel, palladium and platinum materials.
4. A carbon dioxide purification apparatus in dry ice manufacture according to claim 1, wherein: and an adsorbent of magnesium perchlorate is filled in the second adsorption tower (8).
5. A carbon dioxide purification apparatus in dry ice manufacture according to claim 1, wherein: and the first valve (3), the second valve (6), the third valve (9) and the fourth valve (11) are all corrosion-resistant electromagnetic valves.
6. A carbon dioxide cleaning device in dry ice manufacturing according to claim 1, characterized in that: the air inlet pipe (2), the first connecting pipe (4), the second connecting pipe (7) and the exhaust pipe (10) are all made of polytetrafluoroethylene pipelines.
7. A carbon dioxide cleaning device in dry ice manufacturing according to claim 1, characterized in that: and an electric heating wire mechanism is arranged on the inner wall of the first adsorption tower (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222509139.1U CN218422035U (en) | 2022-09-22 | 2022-09-22 | Carbon dioxide purifier during dry ice manufacturing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222509139.1U CN218422035U (en) | 2022-09-22 | 2022-09-22 | Carbon dioxide purifier during dry ice manufacturing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218422035U true CN218422035U (en) | 2023-02-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222509139.1U Active CN218422035U (en) | 2022-09-22 | 2022-09-22 | Carbon dioxide purifier during dry ice manufacturing |
Country Status (1)
| Country | Link |
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| CN (1) | CN218422035U (en) |
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2022
- 2022-09-22 CN CN202222509139.1U patent/CN218422035U/en active Active
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