CN113154741A - Carbon dioxide compression system for dry ice preparation - Google Patents
Carbon dioxide compression system for dry ice preparation Download PDFInfo
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- CN113154741A CN113154741A CN202110548421.8A CN202110548421A CN113154741A CN 113154741 A CN113154741 A CN 113154741A CN 202110548421 A CN202110548421 A CN 202110548421A CN 113154741 A CN113154741 A CN 113154741A
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- pipe
- compression
- carbon dioxide
- cooling
- compression tank
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/001—Compression cycle type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
- F25B9/002—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant
- F25B9/008—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant the refrigerant being carbon dioxide
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D3/00—Devices using other cold materials; Devices using cold-storage bodies
- F25D3/12—Devices using other cold materials; Devices using cold-storage bodies using solidified gases, e.g. carbon-dioxide snow
Abstract
The application relates to the field of dry ice manufacturing equipment, in particular to a carbon dioxide compression system for manufacturing dry ice, which comprises a compression tank set and a cooling assembly, wherein the compression tank set is provided with a compression piece, and the compression piece is used for compressing gas; the cooling assembly is connected with the discharge end of the compression tank group, and the cooling assembly is used for cooling compressed gas. The cooling assembly cools down the liquid carbon dioxide that the compression obtained to improve the productivity of dry ice when preparing the dry ice, and reduce the effect of the temperature of factory building to a certain extent.
Description
Technical Field
The application relates to the field of dry ice manufacturing equipment, in particular to a carbon dioxide compression system for manufacturing dry ice.
Background
Dry ice is solid carbon dioxide and is widely used in many fields, such as cleaning of equipment, parts or products using dry ice in the fields of petroleum, chemical industry, electric power, food, pharmaceutical industry, printing, precision parts, and the like. In addition, dry ice can also be used in the field of refrigerated transport and at the same time can also be used for producing stage effects.
In the production of dry ice, gaseous carbon dioxide is typically compressed to reduce its volume to form liquid carbon dioxide, which is then conveyed to a dry ice machine to form the dry ice.
Currently, in the process of compressing gaseous carbon dioxide, it is generally compressed using a carbon dioxide compression system so that the gaseous carbon dioxide becomes liquid carbon dioxide under high pressure.
In view of the related art in the above, the inventors considered that the yield of dry ice is low when liquid carbon dioxide obtained by using the above conventional carbon dioxide compression system is subjected to dry ice production.
Disclosure of Invention
In order to improve the yield of dry ice, the application provides a carbon dioxide compression system for dry ice production.
The carbon dioxide compression system for preparing dry ice provided by the application adopts the following technical scheme:
a carbon dioxide compression system for dry ice production comprises a compression tank set and a cooling assembly, wherein the compression tank set is provided with a compression piece, and the compression piece is used for compressing gas; the cooling assembly is connected with the discharge end of the compression tank group, and the cooling assembly is used for cooling compressed gas.
By adopting the technical scheme, the carbon dioxide is compressed by the compression piece in the carbon dioxide compression system, because the temperature of the carbon dioxide can be increased in the compression process, if the cooling assembly is not arranged, the temperature of the liquid carbon dioxide prepared from the compression tank set can reach 170 ℃, and when the carbon dioxide enters the dry ice machine to prepare the dry ice, the yield of the dry ice is reduced due to overhigh temperature. After the cooling assembly is arranged, the temperature of the liquid carbon dioxide is reduced to some extent and can basically reach the room temperature, when the carbon dioxide is adopted for dry ice preparation, the yield of the dry ice is improved to some extent, the temperature of the carbon dioxide is not too high in a factory building, and the working environment of workers is friendly.
Preferably, the compression tank group comprises a first compression tank, a second compression tank and a third compression tank; the discharge end of the first compression tank is connected with the feed end of the second compression tank; the discharge end of the second compression tank is connected with the feed end of the third compression tank; the number of the compression pieces is three, and the compression pieces are respectively arranged at the feed ends of the first compression tank, the second compression tank and the third compression tank; the second compression tank is provided with an air cooling assembly, and the air cooling assembly is used for cooling the gas in the second compression tank; the third compression jar is provided with water cooling module, water cooling module is used for cooling the gas in the third compression jar.
Through adopting above-mentioned technical scheme, the compression jar group carries out tertiary compression through three compression jar for carbon dioxide gas compresses into liquid carbon dioxide. Because the effect of compressing gas is the biggest at first compression jar, treat when this part carbon dioxide gets into the second compression jar, the air-cooled subassembly that the second compression jar set up can carry out the primary cooling to this part carbon dioxide, makes its temperature reduce to some extent, when carbon dioxide gets into the third compression jar, by the compression piece compression back, the temperature rises to some extent, so adopt water-cooling subassembly to cool it for the liquid carbon dioxide of the ejection of compact of following compression jar group, it has lower temperature relatively, its temperature can be less than 100 ℃.
Preferably, the second compression tank comprises an outer pipe and an inner pipe, the outer pipe is sleeved outside the inner pipe, and the length directions of the outer pipe and the inner pipe are the same; one end of the inner pipe is communicated with a feed inlet of the second compression tank, and the other end of the inner pipe is communicated with a discharge end of the second compression pipe; the end of the outer pipe close to the feed inlet is communicated with the air outlet, and the end of the outer pipe close to the discharge outlet is communicated with the air inlet.
Through adopting above-mentioned technical scheme, the feed end department of second compression jar compresses, and the carbon dioxide after the compression moves to the discharge end, and at this in-process, the cavity flow between outer tube and the inner tube has cooling gas for the temperature of inner tube reduces to some extent, and the carbon dioxide to in the inner tube cools down.
Preferably, the pipe diameter of the inner pipe increases along the direction from the feed inlet to the discharge outlet.
Through adopting above-mentioned technical scheme, the direction pipe diameter increase of feed inlet to the discharge gate of inner tube, and carbon dioxide is in the motion process, and the velocity of flow that is close to the discharge gate is less than the velocity of flow that is close to the feed inlet, and the inner tube increases to some extent with cooling gas's area of contact in addition to improve its cooling effect.
Preferably, the third compression tank comprises a sleeve and an inner pipe, the sleeve is sleeved outside the inner pipe, and the length directions of the sleeve and the inner pipe are the same; one end of the inner pipe is communicated with a feed inlet of the third compression tank, and the other end of the inner pipe is communicated with a discharge end of the third compression tank; the one end and the delivery port intercommunication of sheathed tube near the feed inlet, the sheathed tube one end and the water inlet intercommunication of being close to the discharge gate.
Through adopting above-mentioned technical scheme, the feed end department of third compression jar compresses, and the carbon dioxide after the compression moves to the discharge end, and at this in-process, the cavity flow between sleeve pipe and the interior pipe of establishing has cooling liquid for the temperature of establishing the pipe in some extent reduces, in order to the carbon dioxide of establishing in the pipe in the interior cooling. And compared with the second compression tank, the cooling effect is better by adopting a water cooling mode.
Preferably, the inner pipe comprises three sections which are connected in sequence, namely a first section, a second section and a third section; the second section includes the breather pipe that a plurality of parallel intervals set up, and the one end of breather pipe all communicates with first section, and the other end of breather pipe all communicates with the third section.
By adopting the technical scheme, the compressed carbon dioxide moves to the third section from the first section and the second section in sequence and is discharged from the discharge end of the third section so as to enter the cooling assembly. Because the second section is provided with a plurality of vent pipes which are arranged in parallel at intervals, the cooling liquid can flow at intervals between the vent pipes and the sleeve pipe, the heat exchange area between the carbon dioxide in the vent pipes and the cooling liquid is increased, and the cooling efficiency is improved.
Preferably, the pipe diameter of the vent pipe is gradually increased along the direction from the first section to the third section.
Through adopting above-mentioned technical scheme, the direction pipe diameter increase of first section to third section of breather pipe, and carbon dioxide is in the motion process, and the velocity of flow that is close to the third section is less than the velocity of flow that is close to first section, and the area of contact of single breather pipe and cooling liquid increases to improve its cooling effect.
Preferably, the cooling assembly comprises a cooling pipe, and the cooling pipe comprises an inner layer pipe and an outer layer pipe; the outer layer pipe is sleeved on the inner layer pipe, the inner layer pipe is used for containing cooled liquid, and an interlayer formed by the outer layer pipe and the inner layer pipe is used for containing cooling water; and the feeding end of the inner pipe is communicated with the discharging end of the compression tank group.
Through adopting above-mentioned technical scheme, cooling unit cools off the carbon dioxide after the compression through the cooling tube, and the refrigerated mode cools off for the cooling water, and the cooling effect is better, and the cost is lower.
Preferably, the pipe diameter of the outer layer pipe is 215-225mm, and the pipe diameter of the inner layer pipe is 110-130 mm.
By adopting the technical scheme, when the pipe diameter of the outer layer pipe is 215-225mm and the pipe diameter of the inner layer pipe is 110-130mm, the cooling effect of the cooling assembly is better.
Preferably, the flow speed of cooling water introduced into the outer layer pipe and the inner layer pipe is 4.5-5.5 m3/h。
By adopting the technical scheme, when the flow speed of the cooling water is 4.5-5.5 m3And in the hour, the cooling effect is better, and the waste of cooling water is less.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the cooling assembly cools the liquid carbon dioxide obtained by compression so as to improve the yield of the dry ice when the dry ice is prepared and reduce the temperature of a plant to a certain extent.
2. The second compression jar department carries out one-level forced air cooling, and the third compression jar department carries out second grade water-cooling, then inputs to cooling module again to carry out the third water-cooling, through tertiary cooling, so that the carbon dioxide after the compression is by the height about 170 ℃ fall to the temperature below 40 ℃, the cooling effect is better.
Drawings
Fig. 1 is a schematic structural diagram of a carbon dioxide compression system for dry ice production according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of the movement of compressed carbon dioxide of a carbon dioxide compression system for making dry ice according to an embodiment of the present invention.
FIG. 3 is a schematic structural diagram of a third compression tank according to an embodiment of the present invention
FIG. 4 is a schematic diagram of a second section of a third compression tank according to an embodiment of the present invention
Description of reference numerals: 1. compressing the tank set; 11. a first compression tank; 12. a second compression tank; 121. an outer tube; 122. an inner tube; 13. a third compression tank; 131. a sleeve; 132. an inner pipe; 1321. a first stage; 1322. a second stage; 1323. a third stage; 1324. a breather pipe; 1325. mounting a disc; 14. a compression member; 2. a cooling assembly; 21. a cooling tube; 211. an inner pipe; 212. an outer tube; 22. a water inlet pipe; 23. a water outlet pipe; 24. a water supply member; 3. an air-cooled assembly; 31. an air inlet pipe; 32. an air outlet pipe; 33. a fan; 4. a water-cooling assembly; 41. a liquid inlet pipe; 42. a liquid outlet pipe; 43. and (4) a water pump.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses a carbon dioxide compression system for making dry ice. Referring to fig. 1, a carbon dioxide compression system for dry ice production includes a compression tank set 1 and a cooling assembly 2, the compression tank set 1 is used for compressing carbon dioxide gas so that the carbon dioxide gas becomes liquid carbon dioxide, and the cooling assembly 2 is used for cooling the compressed gas to below 40 ℃.
Specifically, the compression tank group 1 includes a first compression tank 11, a second compression tank 12 and a third compression tank 13, which are sequentially communicated. The bottoms of the first compression tank 11, the second compression tank 12 and the third compression tank 13 are all feed ends and are provided with feed inlets. The top of the three is provided with a discharge end with a discharge hole. At the feed ends of the first compression tank 11, the second compression tank 12 and the third compression tank 13, a compression member 14 is provided, and the compression member 14 is used for compressing carbon dioxide at the feed end. In the present embodiment, the compression member 14 is a regenerative air pump. As shown in fig. 2, carbon dioxide enters the regeneration air pump from the inlet for compression, and the compressed carbon dioxide escapes from the outlet of the regeneration air pump to enter the corresponding compression tank and enter the next compression tank or discharge from the outlet of the compression tank.
The first compression tank 11 is a hollow tank body, and the hollow part is used for temporarily storing carbon dioxide. A barometer can be installed at the feed inlet and the discharge outlet of the first compression tank 11, so that the staff can conveniently detect whether the air pressure is normal. The discharge hole of the first compression tank 11 is connected with the feed inlet of the second compression tank 12 through a pipeline.
The second compression tank 12 includes an outer tube 121 and an inner tube 122, wherein the outer tube 121 is coaxially sleeved outside the inner tube 122, and the length directions of the two are the same. The inner tube 122 is used as a temporary storage cavity of carbon dioxide, the bottom opening of the inner tube is a feeding hole of the second compression tank 12, the top opening of the inner tube is a discharging hole of the second compression tank 12, and the tube diameter of the inner tube 122 is increased along the direction from the feeding hole to the discharging hole. The cavity between the inner tube 122 and the outer tube 121 is used for introducing cooling gas entering the air cooling assembly 3, that is, the surface of the outer tube 121 is provided with a gas inlet and a gas outlet, the gas inlet is arranged at the top of the outer tube 121, and the gas outlet is arranged at the bottom of the outer tube 121, so that the moving direction of the cooling gas in the outer tube 121 is opposite to the moving direction of carbon dioxide in the inner tube 122.
The air cooling assembly 3 comprises an air inlet pipe 31, an air outlet pipe 32 and a fan 33, wherein the fan 33 is used for conveying cooling air to the air inlet pipe 31, one end, far away from the fan 33, of the air inlet pipe 31 is communicated with an air inlet, one end of the air outlet pipe 32 is communicated with an air outlet, and the free end of the air outlet pipe 32 is used for being discharged out of a factory building. In order to reduce that the gas heat in the air outlet pipe 32 is dissipated more in the factory building, so that the temperature of the factory building is increased more, the outside of the air outlet pipe 32 is wrapped by a heat insulation layer, and the heat insulation layer can be selected in the prior art, for example, a heat insulation sponge is adopted to manufacture the heat insulation layer. The discharge hole of the second compression tank 12 is connected with the feed hole of the third compression tank 13 through a pipeline.
Referring to fig. 3 and 4, the third compression tank 13 includes a sleeve 131 and an inner pipe 132, wherein the sleeve 131 is coaxially sleeved outside the inner pipe 132, and the length directions of the sleeve 131 and the inner pipe 132 are the same. The inner pipe 132 serves as a temporary storage chamber for carbon dioxide, the bottom opening of the inner pipe is a feed inlet of the third compression tank 13, and the top opening of the inner pipe is a discharge outlet of the third compression tank 13. In this embodiment, the inner pipe 132 includes three sections, i.e., a first section 1321, a second section 1322, and a third section 1323, which are connected in sequence. The first section 1321 is a section of the inner pipe 132 having a feeding port, the second section 1322 is a middle section, and the third section 1323 is a section of the inner pipe 132 having a discharging port. The first section 1321 and the third section 1323 may have the same pipe diameter, or the pipe diameter of the first section 1321 may be smaller than that of the third section 1323. The second segment 1322 includes a plurality of parallel, spaced apart vent tubes 1324, wherein one end of the vent tubes 1324 is in communication with the first segment 1321 and the other end of the vent tubes 1324 is in communication with the third segment 1323.
The inner pipe 132 has two mounting discs 1325, and the mounting discs 1325 are provided with through holes, which are the same in number as the vent pipes 1324 and are in one-to-one correspondence. A corresponding vent pipe 1324 is welded at the through hole of the mounting plate 1325, and both ends of the vent pipe 1324 are respectively connected with the corresponding mounting plate 1325. One mounting plate 1325 is welded to the end of the first section 1321 remote from the feed inlet, and the other mounting plate 1325 is welded to the end of the third section 1323 remote from the feed outlet. It should be noted that the vent pipe 1324 may be a cylindrical vent pipe 1324 with a constant pipe diameter, or may be a vent pipe 1324 with a gradually increasing pipe diameter, and the pipe diameter of the vent pipe 1324 gradually increases along the direction from the first section 1321 to the third section 1323.
The top of sleeve 131 is provided with the delivery port, and the bottom of sleeve 131 is provided with the water inlet, and water cooling unit 4 includes feed liquor pipe 41, drain pipe 42 and water pump 43, and wherein water pump 43 is used for carrying cooling liquid to feed liquor pipe 41, and the one end and the water inlet intercommunication of water pump 43 are kept away from to feed liquor pipe 41, and the one end and the delivery port intercommunication of drain pipe 42, and the free end of outlet pipe 23 is used for discharging the factory building outside, and this part coolant liquid can recycle.
The discharge hole of the third compression tank 13 is connected with the feed inlet of the cooling component 2 through a pipeline.
Referring back to fig. 1 and 2, the cooling module 2 includes a cooling pipe 21, a water inlet pipe 22, a water outlet pipe 23, and a water supply member 24. Wherein, the water supply member 24 is a water pump 43, the water supply member 24 delivers water to the water inlet pipe 22, and the water inlet pipe 22 is communicated with the water inlet of the cooling pipe 21. Specifically, the cooling tube 21 includes an inner tube 211 and an outer tube 212, the outer tube 212 is coaxially sleeved on the inner tube 211, a discharge hole is formed in the bottom of the inner tube 211, a feed inlet is formed in the top of the inner tube 211, and the inner tube 211 is used for containing cooled liquid. The interlayer between the inner tube 211 and the outer tube 212 serves to contain cooling water. The top of the outer layer pipe 212 is provided with a water outlet, and the bottom of the outer layer pipe 212 is provided with a water inlet. The water inlet of the outer layer pipe 212 is communicated with one end of the water inlet pipe 22 far away from the water supply part 24, and the water outlet of the outer layer pipe 212 is communicated with the water outlet pipe 23. The cooling water flowing out of the water outlet can be reused after being circularly cooled. In the present embodiment, the number of the cooling pipes 21 is three, and the cooling pipes are arranged in parallel and are communicated by a pipe. In addition, the diameter (diameter) of the outer tube 212 of the cooling tube 21 is 215-225mm, such as 215, 217, 219, 220, 222 or 225mm, and the diameter (diameter) of the inner tube 211 is 110-130mm, such as 110, 115, 120, 125 or 130 mm.
During cooling, the flow rate of the cooling air can be 6-8 m for the air-cooling assembly 33The flow rate of the cooling water in the water cooling unit 4 may be 2.5 to 3.5 m3The flow rate of the cooling water in the cooling module 2 may be 4.5 to 5.5 m3H is used as the reference value. With the above parameters, the compressed carbon dioxide flowing from the last cooling pipe 21 of the cooling module 2 has a temperature lower than 40 ℃. When the cooled carbon dioxide is used for preparing the dry ice, the yield is about 1.2t/h, and when the compressed carbon dioxide with the temperature of 170 ℃ obtained by a common production line is used for preparing the dry ice, the yield is about 1t/h, and when the carbon dioxide is compressed by using the carbon dioxide compression system disclosed by the application, the yield is improved by about 20% when the dry ice is produced, and the effect is better.
It should be noted here that, for clarity of illustration, the blower 33 and the water pump 43 are both disposed at the upper end of the drawing, and the actual placement of the blower 33 and the water pump 43 may be selected according to the actual situation, for example, by adding a long pipeline, so that the blower 33 and the water pump 43 are disposed on the ground.
The implementation principle of a carbon dioxide compression system for making dry ice in the embodiment of the application is as follows: the air cooling component 3, the water cooling component 4 and the cooling component 2 are used for carrying out three-stage cooling on the compressed carbon dioxide, so that the temperature of the obtained compressed carbon dioxide is lower than 40 ℃, and the yield can be effectively improved when the dry ice is prepared.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. A carbon dioxide compression system for making dry ice is characterized in that: the device comprises a compression tank set (1) and a cooling assembly (2), wherein the compression tank set (1) is provided with a compression piece (14), and the compression piece (14) is used for compressing gas;
the cooling assembly (2) is connected with the discharge end of the compression tank group (1), and the cooling assembly (2) is used for cooling compressed gas.
2. A carbon dioxide compression system for making dry ice as claimed in claim 1, wherein: the compression tank group (1) comprises a first compression tank (11), a second compression tank (12) and a third compression tank (13);
the discharge end of the first compression tank (11) is connected with the feed end of the second compression tank (12);
the discharge end of the second compression tank (12) is connected with the feed end of a third compression tank (13);
the number of the compression pieces (14) is three, and the compression pieces are respectively arranged at the feeding ends of the first compression tank (11), the second compression tank (12) and the third compression tank (13);
the second compression tank (12) is provided with an air cooling assembly (3), and the air cooling assembly (3) is used for cooling gas in the second compression tank (12);
the third compression tank (13) is provided with a water cooling component (4), and the water cooling component (4) is used for cooling gas in the third compression tank (13).
3. A carbon dioxide compression system for making dry ice as claimed in claim 2, wherein: the second compression tank (12) comprises an outer pipe (121) and an inner pipe (122), the outer pipe (121) is sleeved outside the inner pipe (122), and the length directions of the outer pipe and the inner pipe are consistent;
one end of the inner pipe (122) is communicated with a feeding hole of the second compression tank (12), and the other end of the inner pipe (122) is communicated with a discharging end of the second compression pipe;
the one end and the air outlet intercommunication of being close to the feed inlet of outer tube (121), the one end and the air intake intercommunication of being close to the discharge gate of outer tube (121).
4. A carbon dioxide compression system for making dry ice as claimed in claim 3, wherein: the inner pipe (122) is increased along the pipe diameter from the feeding hole to the discharging hole.
5. A carbon dioxide compression system for making dry ice as claimed in claim 2, wherein: the third compression tank (13) comprises a sleeve (131) and an inner pipe (132), the sleeve (131) is sleeved outside the inner pipe (132), and the length directions of the sleeve (131) and the inner pipe (132) are the same;
one end of the inner pipe (132) is communicated with a feed inlet of the third compression tank (13), and the other end of the inner pipe (132) is communicated with a discharge end of the third compression pipe;
the one end that is close to the feed inlet of sleeve pipe (131) communicates with the delivery port, the one end that is close to the discharge gate of sleeve pipe (131) communicates with the water inlet.
6. A carbon dioxide compression system for making dry ice according to claim 5, wherein: the inner pipe (132) comprises three sections which are connected in sequence, namely a first section (1321), a second section (1322) and a third section (1323);
the second section (1322) comprises a plurality of vent pipes (1324) which are arranged in parallel at intervals, one ends of the vent pipes (1324) are communicated with the first section (1321), and the other ends of the vent pipes (1324) are communicated with the third section (1323).
7. A carbon dioxide compression system for making dry ice according to claim 6, wherein: the diameter of the vent pipe (1324) is gradually increased along the direction from the first section (1321) to the third section (1323).
8. A carbon dioxide compression system for making dry ice according to any one of claims 1 to 7, wherein: the cooling assembly (2) comprises a cooling pipe (21), and the cooling pipe (21) comprises an inner layer pipe (211) and an outer layer pipe (212);
the outer layer pipe (212) is sleeved on the inner layer pipe (211), the inner layer pipe (211) is used for containing cooled liquid, and an interlayer formed by the outer layer pipe (212) and the inner layer pipe (211) is used for containing cooling water;
the feeding end of the inner layer pipe (211) is communicated with the discharging end of the compression tank group (1).
9. A carbon dioxide compression system for making dry ice as claimed in claim 8, wherein: the pipe diameter of the outer layer pipe (212) is 215-225mm, and the pipe diameter of the inner layer pipe (211) is 110-130 mm.
10. A carbon dioxide compression system for making dry ice as claimed in claim 8, wherein: the flow velocity of the cooling water introduced into the outer layer pipe (212) and the inner layer pipe (211) is 4.5-5.5 m3/h。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110548421.8A CN113154741A (en) | 2021-05-19 | 2021-05-19 | Carbon dioxide compression system for dry ice preparation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110548421.8A CN113154741A (en) | 2021-05-19 | 2021-05-19 | Carbon dioxide compression system for dry ice preparation |
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| CN113154741A true CN113154741A (en) | 2021-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110548421.8A Pending CN113154741A (en) | 2021-05-19 | 2021-05-19 | Carbon dioxide compression system for dry ice preparation |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106744957A (en) * | 2017-03-15 | 2017-05-31 | 长沙紫宸科技开发有限公司 | A kind of pump pressure type dry-ice machine |
| CN207317588U (en) * | 2017-09-11 | 2018-05-04 | 深圳市螺钢科技股份有限公司 | A kind of cooling tank body group for air compressor machine |
| CN108709367A (en) * | 2018-05-22 | 2018-10-26 | 中石化宁波工程有限公司 | A kind of liquefying plant and application method of carbon dioxide |
| CN108970325A (en) * | 2018-08-03 | 2018-12-11 | 蚌埠市昊源压缩机制造有限公司 | A kind of multistage cooler for compressor |
| CN109282574A (en) * | 2018-09-25 | 2019-01-29 | 陈剑军 | A kind of device and production method with ammonia heat pump refrigerating recycling dry ice gas phase |
-
2021
- 2021-05-19 CN CN202110548421.8A patent/CN113154741A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106744957A (en) * | 2017-03-15 | 2017-05-31 | 长沙紫宸科技开发有限公司 | A kind of pump pressure type dry-ice machine |
| CN207317588U (en) * | 2017-09-11 | 2018-05-04 | 深圳市螺钢科技股份有限公司 | A kind of cooling tank body group for air compressor machine |
| CN108709367A (en) * | 2018-05-22 | 2018-10-26 | 中石化宁波工程有限公司 | A kind of liquefying plant and application method of carbon dioxide |
| CN108970325A (en) * | 2018-08-03 | 2018-12-11 | 蚌埠市昊源压缩机制造有限公司 | A kind of multistage cooler for compressor |
| CN109282574A (en) * | 2018-09-25 | 2019-01-29 | 陈剑军 | A kind of device and production method with ammonia heat pump refrigerating recycling dry ice gas phase |
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Application publication date: 20210723 |