CN214075117U - Double-rectification purification system for liquid carbon dioxide - Google Patents
Double-rectification purification system for liquid carbon dioxide Download PDFInfo
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- CN214075117U CN214075117U CN202022403577.0U CN202022403577U CN214075117U CN 214075117 U CN214075117 U CN 214075117U CN 202022403577 U CN202022403577 U CN 202022403577U CN 214075117 U CN214075117 U CN 214075117U
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Abstract
The utility model discloses a two rectification purification systems of liquid carbon dioxide relates to carbon dioxide two rectification purification technical field. The double-rectification purification system of the liquid carbon dioxide comprises a liquid storage tank, a first purification device and a second purification device, wherein one side of the bottom end of the liquid storage tank is connected with the first purification device, and one side of the top end of the first purification device is connected with the second purification device. This two rectification purification systems of liquid carbon dioxide, through passing through first rectification jar and second rectification jar rectification purification with liquid carbon dioxide in proper order, liquid carbon dioxide's purification purity has been improved greatly, satisfy the industry demand, through install the reboiler in first rectification jar and second rectification tank bottom, a condenser, waste liquid jar and back flow, reprocess the waste liquid in first rectification jar and the second rectification jar, draw back flow wherein, the back flow passes first pipeline with the back flow, realize the reuse of resource, help environmental protection.
Description
Technical Field
The utility model relates to a two rectification purification technical field of carbon dioxide specifically are a two rectification purification systems of liquid carbon dioxide.
Background
The liquid carbon dioxide refers to liquefying carbon dioxide gas into liquid at high pressure and low temperature, the liquid carbon dioxide is a refrigerant, can be used for preserving food and artificial rainfall, and is also an industrial raw material, can be used for preparing soda ash, urea and steam water, and the liquid carbon dioxide has the density of 1.101g/cm and the (-37 ℃) value; after carbon dioxide is dissolved in water, the pH value of the water is reduced, and the water is harmful to organisms in the water; the liquid carbon dioxide absorbs a large amount of heat as it evaporates; when the device emits a large amount of heat, the heat is condensed into solid carbon dioxide, commonly called dry ice, when the existing liquid carbon dioxide purifying equipment is used for purifying the liquid carbon dioxide, the purifying precision is not high, and the existing requirement cannot be met, and when the carbon dioxide is purified, the problem of low resource utilization rate exists.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a two rectification purification systems of liquid carbon dioxide to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the device comprises a liquid storage tank, a first purification device and a second purification device, wherein one side of the bottom end of the liquid storage tank is connected with the first purification device, and one side of the top end of the first purification device is connected with the second purification device;
the first purification device comprises a first rectification tank, a cooler, a reflux tank and a first treatment device, wherein one side of the top end of the first rectification tank is connected with one side of the bottom end of the cooler and is connected with the reflux tank, and the bottom end of the first rectification tank is connected with the first treatment device.
Preferably, the second purification device comprises a second rectification tank, a liquid discharge pipe and a second treatment device, the liquid discharge pipe is installed on one side of the middle of the second rectification tank and connected with the storage tank, and the bottom end of the second rectification tank is connected with the second treatment device.
Preferably, the first treatment device and the second treatment device both comprise a reboiler, a condenser, a waste liquid tank and a return pipe, the bottom end of the reboiler is connected with the condenser, one side of the bottom end of the condenser is connected with the waste liquid tank, and the other side of the bottom end of the condenser is provided with the return pipe.
Preferably, the liquid storage tank is connected with the first rectifying tank through a first pipeline, and a first pump body is arranged in the middle of the first pipeline.
Preferably, the reflux tank is connected with the second rectifying tank through a second pipeline, and a second pump body is arranged in the middle of the second pipeline.
Preferably, the other end of the return pipe is connected with the first pipeline.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) this liquid carbon dioxide's two rectification purification systems, through first pipeline and first pump body with the liquid carbon dioxide in the liquid storage tank convey to first rectification jar, liquid carbon dioxide rectification purification in first rectification jar, liquid carbon dioxide after the rectification purification is sent into the cooler and is cooled down the back, sends into the backward flow jar, prepares the purification of secondary distillation, and the waste liquid that produces in the rectification purification in-process in first rectification jar is arranged and is reprocessed in the first processing apparatus.
(2) This liquid carbon dioxide's two rectification purification systems, send into in the second rectifying tank through second pipeline and second pump body with the liquid carbon dioxide in the reflux tank, liquid carbon dioxide is discharged from the fluid-discharge tube after sending into in the second rectifying tank rectification purification once more, store in the holding vessel, liquid carbon dioxide passes through first rectifying tank and second rectifying tank rectification purification in proper order, liquid carbon dioxide's purity has been improved greatly, satisfy the industry demand, and the waste liquid that produces among the rectification purification process in the second rectifying tank is arranged and is reprocessed in the second processing apparatus.
(3) This liquid carbon dioxide's two rectification purification systems through install reboiler, condenser, waste liquid jar and back flow in first rectification jar and second rectification jar bottom, with the waste liquid retreatment in first rectification jar and the second rectification jar, draws back flow wherein, and the back flow passes to first pipeline with the back flow, realizes the reuse of resource, helps environmental protection.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of a first purifying apparatus of the present invention;
FIG. 3 is a schematic structural view of a second purifying apparatus of the present invention;
fig. 4 is a schematic structural diagram of a first processing device according to the present invention.
In the figure: 1. a liquid storage tank; 2. a first pump body; 3. a first purifying device; 4. a second purifying device; 31. a first rectification tank; 32. a cooler; 33. a reflux tank; 34. a second pump body; 35. a first processing device; 41. a second rectification tank; 42. a liquid discharge pipe; 43. a second processing device; 351. a reboiler; 352. a condenser; 353. a waste liquid tank; 354. a return pipe.
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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a double-rectification purification system of liquid carbon dioxide comprises a liquid storage tank 1, a first purification device 3 and a second purification device 4, wherein one side of the bottom end of the liquid storage tank 1 is connected with the first purification device 3, and one side of the top end of the first purification device 3 is connected with the second purification device 4; the first purification device 3 comprises a first rectification tank 31, a cooler 32, a reflux tank 33 and a first treatment device 35, one side of the top end of the first rectification tank 31 is connected with the reflux tank 33 on one side of the bottom end of the cooler 32, the first treatment device 35 is connected with the bottom end of the first rectification tank 31, the second purification device 4 comprises a second rectification tank 41, a liquid discharge pipe 42 and a second treatment device 43, the liquid discharge pipe 42 is installed on one side of the middle part of the second rectification tank 41, the liquid discharge pipe 42 is connected with a storage tank, the second treatment device 43 is connected with the bottom end of the second rectification tank 41, the first treatment device 35 and the second treatment device 43 both comprise a reboiler 351, a condenser 352, a waste liquid tank 353 and a reflux pipe 354, the bottom end of the condenser 351 is connected with the condenser 352, one side of the bottom end of the condenser 352 is connected with the waste liquid tank 353, the other side of the bottom end of the condenser 352 is provided with the reflux pipe 354, the liquid storage tank 1 is connected with the first rectification tank 31 through a first pipeline, the first pump body 2 is arranged in the middle of the first pipeline, the backflow tank 33 is connected with the second rectification tank 41 through a second pipeline, the second pump body 34 is arranged in the middle of the second pipeline, and the other end of the backflow pipe 354 is connected with the first pipeline.
The working principle is as follows:
when in use, the liquid storage tank 1 is connected with the first rectifying tank 31 through a first pipeline, the first pump body 2 is arranged in the middle of the first pipeline, the reflux tank 33 is connected with the second rectifying tank 41 through a second pipeline, the second pump body 34 is arranged in the middle of the second pipeline, the other end of the reflux pipe 354 is connected with the first pipeline, liquid carbon dioxide in the liquid storage tank 1 is transmitted to the first rectifying tank 31 through the first pipeline and the first pump body 2, the liquid carbon dioxide is rectified and purified in the first rectifying tank 31, the rectified and purified liquid carbon dioxide is transmitted to the reflux tank 33 after being cooled by the cooler 32, secondary distillation and purification are prepared, waste liquid generated in the rectifying and purifying process in the first rectifying tank 31 is discharged into the first processing device 35 for reprocessing, the liquid carbon dioxide in the reflux tank 33 is transmitted into the second rectifying tank 41 through the second pipeline and the second pump body 34, liquid carbon dioxide is sent into second rectifying tank 41 and is discharged from liquid discharge pipe 42 after rectification purification again, store in the holding vessel, liquid carbon dioxide passes through first rectifying tank 31 and second rectifying tank 41 rectification purification in proper order, liquid carbon dioxide's purity has been improved greatly, satisfy the industrial demand, and the waste liquid that produces in the rectification purification process in second rectifying tank 41 is arranged and is reprocessed in second processing apparatus 43, through install reboiler 351, condenser 352, waste liquid jar 353 and back flow 354 in first rectifying tank 31 and second rectifying tank 41 bottom, reprocess the waste liquid in first rectifying tank 31 and the second rectifying tank 41, draw back flow 354 among them, back flow 354 passes back flow 354 to first pipeline, realize the reuse of resource, help environmental protection.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a two rectification purification systems of liquid carbon dioxide which characterized in that: the device comprises a liquid storage tank (1), a first purification device (3) and a second purification device (4), wherein one side of the bottom end of the liquid storage tank (1) is connected with the first purification device (3), and one side of the top end of the first purification device (3) is connected with the second purification device (4);
first purification device (3) are connected with cooler (32) bottom one side and are connected with backward flow jar (33) including first rectification jar (31), cooler (32), backward flow jar (33) and first processing apparatus (35) on one side of first rectification jar (31) top, and first rectification jar (31) bottom is connected with first processing apparatus (35).
2. The double rectification purification system for liquid carbon dioxide according to claim 1, characterized in that: the second purification device (4) comprises a second rectification tank (41), a liquid discharge pipe (42) and a second treatment device (43), the liquid discharge pipe (42) is installed on one side of the middle of the second rectification tank (41), the liquid discharge pipe (42) is connected with the storage tank, and the bottom end of the second rectification tank (41) is connected with the second treatment device (43).
3. The double rectification purification system for liquid carbon dioxide according to claim 1, characterized in that: the first treatment device (35) and the second treatment device (43) respectively comprise a reboiler (351), a condenser (352), a waste liquid tank (353) and a return pipe (354), the condenser (352) is connected to the bottom end of the reboiler (351), the waste liquid tank (353) is connected to one side of the bottom end of the condenser (352), and the return pipe (354) is installed on the other side of the bottom end of the condenser (352).
4. The double rectification purification system for liquid carbon dioxide according to claim 1, characterized in that: the liquid storage tank (1) is connected with the first rectifying tank (31) through a first pipeline, and a first pump body (2) is arranged in the middle of the first pipeline.
5. The double rectification purification system for liquid carbon dioxide according to claim 1, characterized in that: the backflow tank (33) is connected with the second rectifying tank (41) through a second pipeline, and a second pump body (34) is installed in the middle of the second pipeline.
6. The double rectification purification system for liquid carbon dioxide according to claim 3, wherein: the other end of the return pipe (354) is connected with the first pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022403577.0U CN214075117U (en) | 2020-10-26 | 2020-10-26 | Double-rectification purification system for liquid carbon dioxide |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022403577.0U CN214075117U (en) | 2020-10-26 | 2020-10-26 | Double-rectification purification system for liquid carbon dioxide |
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| Publication Number | Publication Date |
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| CN214075117U true CN214075117U (en) | 2021-08-31 |
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| CN202022403577.0U Active CN214075117U (en) | 2020-10-26 | 2020-10-26 | Double-rectification purification system for liquid carbon dioxide |
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2020
- 2020-10-26 CN CN202022403577.0U patent/CN214075117U/en active Active
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