CN1562740A - Technical method for preparing crystal dry ice - Google Patents
Technical method for preparing crystal dry ice Download PDFInfo
- Publication number
- CN1562740A CN1562740A CNA2004100213998A CN200410021399A CN1562740A CN 1562740 A CN1562740 A CN 1562740A CN A2004100213998 A CNA2004100213998 A CN A2004100213998A CN 200410021399 A CN200410021399 A CN 200410021399A CN 1562740 A CN1562740 A CN 1562740A
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- China
- Prior art keywords
- dry ice
- container
- cooling
- crystal dry
- demoulding
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Abstract
This method is: first put carbon dioxide into a container, then put the container into cooling room to do initial cold pretreatment, the cooling temp, is -10 to -20 deg.C, the cooling time is 10-20 minutes. Then put the container into forced cooling room to do forced cooling, the cooling temp. is -80 to -120 deg.C, the cooling time is 10 to 20 minutes, crystalline dry ice is produced. Finally put the crystalline dry ice into a stripper to do demoulding, thus the crystal dry ice is obtained. The advantages are the dry ice has high density, good compactness, long volatilize time and sparkling and crystal-clear colour.
Description
Technical field
The present invention relates to a kind of preparation method of dry ice, be fit to producing of crystal dry ice.
Background technology
At present, liquid dry ice is widely used in medical treatment and drink enterprise, main preparation method adopts special machinery production, this kind machinery all is to comprise one can make liquid carbon dioxide, the puffing apparatus of expanded one-tenth flakes carbonic acid gas, again the snow shape dry ice after expanded is pressed into different shapes through pressing machine, this kind machinery production processing method weak point is that expanded volume is big, equipment use and maintenance expense height, one-time investment is big, it is low to produce dry ice efficient, and this expanded snow shape dry ice production technology causes it to be difficult for realizing the continuity and the automatization of dry ice production, and productivity is low, job insecurity, dry ice quality can not get guaranteeing.
Summary of the invention
For producing the deficiency of dry ice method more than solving, the purpose of this invention is to provide a kind of reparation technology method of crystal dry ice, utilize the carbonic acid gas raw material directly to produce wieldy crystal dry ice through refrigeration techniques.
Technical solution of the present invention is achieved in that
Crystal dry ice reparation technology method following (its technical process is as shown in drawings):
1, at first liquid carbon dioxide is injected in the proprietary container, refer to the special container of dry ice machine, the forced heat radiation sheet is equipped with in this container outside, has the container of excellent heat dispersion performance;
2, the container that carbonic acid gas will be housed is put into just the cold house and is entered pre-cooledly, and precooling temperature-10 ℃～-20 ℃ was placed 10 ~ 20 minutes;
3, cooled carbonic acid gas is forced cooling, and cooling temperature is at-80 ℃ ~-120 ℃, and cooling time is 20 ~ 30 minutes;
4, through in container, having made crystal dry ice after the overcooling;
5, enter demoulding chamber, heat slightly and carry out the demoulding;
6, promptly obtained the big crystal dry ice of density after the demoulding.
Advantage of the present invention: processing method is simple, makes easily, the dry ice density that this method is made is big, compactness good, color sparkling and crystal-clear transparent, the volatilization time long, can be used for the production of various beverages and be used for the cleaning engineering of dry ice.
Description of drawings
Technical process of the present invention as shown in drawings
Embodiment
As follows according to the concrete enforcement of above processing method:
1, an amount of carbon dioxide liquid is injected in the container of dry ice maker;
2, be placed on and carry out pre-cooledly in this refrigerator container, precooling is placed under the temperature-20 ℃ environment, 20 minutes;
3, the carbonic acid gas after pre-cooled is carried out forced refrigeration, cooling temperature is-100 ℃, and cooling time is 25 minutes, and according to what of raw material, the time changes a little;
4, the cooling back has been made crystal dry ice in container;
5, the crystal dry ice of making temperature a little gets final product the demoulding, is the very big crystal dry ice of a kind of density;
This dry ice is put into beverage, form the cold air mist, increase the cooling feeling and the taste of beverage on the surface of beverage.
Claims (1)
1. crystal dry ice reparation technology method is characterized in that this crystal dry ice reparation technology method is as follows:
(1), at first liquid carbon dioxide is injected in the proprietary container, the forced heat radiation sheet is equipped with in this container outside, has the container of excellent heat dispersion performance;
(2), container that carbonic acid gas will be housed puts into just the cold house and enters pre-cooledly, precooling temperature-10 ℃～-20 ℃ was placed 10～20 minutes;
(3), cooled carbonic acid gas force the cooling, cooling temperature is at-80 ℃～-120 ℃, cooling time is 20～30 minutes;
(4), through in container, having made crystal dry ice after the overcooling;
(5), enter demoulding chamber, heat slightly and carry out the demoulding;
(6), promptly obtained the big crystal dry ice of density after the demoulding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100213998A CN1261352C (en) | 2004-03-16 | 2004-03-16 | Technical method for preparing crystal dry ice |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100213998A CN1261352C (en) | 2004-03-16 | 2004-03-16 | Technical method for preparing crystal dry ice |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1562740A true CN1562740A (en) | 2005-01-12 |
| CN1261352C CN1261352C (en) | 2006-06-28 |
Family
ID=34479808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100213998A Expired - Fee Related CN1261352C (en) | 2004-03-16 | 2004-03-16 | Technical method for preparing crystal dry ice |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1261352C (en) |
-
2004
- 2004-03-16 CN CNB2004100213998A patent/CN1261352C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1261352C (en) | 2006-06-28 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |