CN111530848A - Circulating solid CO2Cleaning system - Google Patents
Circulating solid CO2Cleaning system Download PDFInfo
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- CN111530848A CN111530848A CN202010251311.0A CN202010251311A CN111530848A CN 111530848 A CN111530848 A CN 111530848A CN 202010251311 A CN202010251311 A CN 202010251311A CN 111530848 A CN111530848 A CN 111530848A
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- dry ice
- cleaning
- carbon dioxide
- pipe
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
- B08B5/023—Cleaning travelling work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
- B08B7/0064—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by temperature changes
- B08B7/0092—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by temperature changes by cooling
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/50—Carbon dioxide
- C01B32/55—Solidifying
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Cleaning In General (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
The invention discloses a circulating solid CO2Cleaning system relates to dry ice and washs technical field, and its technical scheme main points are: including the dry ice feeding device who is used for supplying the dry ice, the belt cleaning device who is connected with dry ice feeding device and the recovery unit who is connected with belt cleaning device, belt cleaning device includes the purge chamber and sets up the dry ice shower nozzle in the purge chamber, recovery unit includes the mixed recovery tube of being connected with the purge chamber, sets up the transmission pump on mixed recovery tube, the impurity separating mechanism who is connected with mixed recovery tube and the carbon dioxide recovery tube of being connected with impurity separating mechanism, the one end that impurity separating mechanism was kept away from to carbon dioxide recovery tube is connected with carbon dioxide purification device, two recovery unitsThe output end of the carbon oxide purification device is connected with the input end of the dry ice supply device. The invention can recycle carbon dioxide and has the effect of saving resources.
Description
Technical Field
The invention relates to the technical field of dry ice cleaning, in particular to a circulating solid CO2And (5) cleaning the system.
Background
Dry ice cleaning (also called cold blasting) is to spray compressed air as power and carrier and dry ice particles as accelerated particles onto the surface of an object to be cleaned by a special spray cleaning machine, and to rapidly freeze dirt, oil stain, residual impurities and the like on the surface of the object to be cleaned by utilizing energy conversion such as momentum change (Δ mv), sublimation, melting and the like of the solid dry ice particles moving at high speed, thereby condensing, embrittling, being peeled off and simultaneously being cleaned with air flow. The surface of the cleaned object, especially the metal surface, cannot be damaged at all, and the finish of the metal surface cannot be influenced.
Prior art dry ice cleaning typically includes CO2Supply system, vacuum system and cleaning system, CO2The supply system and the vacuum system are respectively connected to the cleaning system via CO2The supply system provides dry ice for the cleaning system, and the vacuum system is utilized to form a vacuum environment for the cleaning system, so that the workpiece can be cleaned by the dry ice in the vacuum environment, and the cleaning effect is improved.
However, carbon dioxide is lost directly during cleaning, in CO2Recollecting CO when dry ice is needed in the supply system2Resulting in a waste of resources.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a circulating solid CO2The cleaning system can recycle carbon dioxide, and has the effect of saving resources.
In order to achieve the purpose, the invention provides the following technical scheme:
circulating solid CO2The cleaning system comprises a dry ice supply device for supplying dry ice, a cleaning device connected with the dry ice supply device and a recovery device connected with the cleaning device, wherein the cleaning device comprises a cleaning chamber and a dry ice sprayer arranged in the cleaning chamber, the recovery device comprises a mixed recovery pipe connected with the cleaning chamber, a transmission pump arranged on the mixed recovery pipe, an impurity separation mechanism connected with the mixed recovery pipe and a carbon dioxide recovery pipe connected with the impurity separation mechanism, one end, far away from the impurity separation mechanism, of the carbon dioxide recovery pipe is connected with a carbon dioxide purification device, and the output end of the carbon dioxide purification device is connected with the input end of the dry ice supply device.
Further setting: impurity separating mechanism is including setting up rose box between mixing recovery tube and carbon dioxide recovery tube, setting up the impurity filter screen in the rose box and set up the filter that is used for adsorbing the active carbon granule in impurity filter screen one side, be provided with the degressive net piece of multilayer mesh size gradually on the impurity filter screen.
Further setting: the carbon dioxide purification device comprises a liquefier, a rectifying tank connected with the liquefier and a reboiler connected with the rectifying tank and the liquefier, wherein a liquid outlet pipe used for collecting purified liquid carbon dioxide is connected to the reboiler, and the other end of the liquid outlet pipe is connected with a dry ice supply device.
Further setting: the dry ice supply device comprises a dry ice manufacturing machine, a dry ice granulator connected with the dry ice manufacturing machine and a dry ice output pipeline connected with the dry ice granulator, an air compressor used for providing conveying pressure for dry ice is arranged on the dry ice output pipeline, the dry ice manufacturing machine is connected with a carbon dioxide air source through an air inlet pipe, and a circulating air inlet end used for being connected with a liquid outlet pipe is arranged on the dry ice manufacturing machine.
Further setting: the liquid outlet pipeline is wound on the air inlet pipe in a snake shape, and the mixed recovery pipe is wound on the dry ice output pipeline in a snake shape.
Further setting: the dry ice output pipeline is provided with a heat insulation valve at one end connected with the dry ice granulator, and the dry ice output pipeline is provided with a heating element for heating the dry ice output pipeline.
Further setting: the device is characterized by further comprising a controller, wherein the first electric control valve and the second electric control valve are respectively arranged on the mixing recovery pipe and the carbon dioxide recovery pipe and are controlled by the controller.
Further setting: the cleaning device is characterized in that a cleaning circulating pipe is arranged in the cleaning chamber, one end of the cleaning circulating pipe is connected above the cleaning chamber, the other end of the cleaning circulating pipe is connected below the cleaning chamber, and a circulating transmission pump and a safety valve are arranged on the cleaning circulating pipe.
Further setting: the cleaning device is characterized in that a rotary tray is arranged in the cleaning chamber, the bottom of the rotary tray is arranged in the cleaning chamber through a rotating rod in a rotating mode, a lower cleaning nozzle is arranged at the position, below the rotary tray, of the cleaning chamber, and a cleaning opening for enabling dry ice to pass through is formed in the rotary tray.
Further setting: the dry ice sprayer is provided with a plurality of dry ice sprayers, and the dry ice sprayers are arranged to be movable sprayers.
Compared with the prior art, the invention has the following advantages by adopting the technical scheme:
1. the gas generated during cleaning is collected by the mixed recovery pipe, is sent into the impurity separation mechanism for filtration, is purified by the carbon dioxide purification device, and is then sent into the dry ice supply device for making dry ice, so that the carbon dioxide is recycled, and the effect of saving resources is achieved;
2. the filter screen is matched with the filter, so that the filtering effect on gas impurities is improved, and smooth circulation of air flow is ensured by the aid of the net sheets with gradually decreasing meshes layer by layer, so that gas is filtered, recovered carbon dioxide is sent into a carbon dioxide purification device for purification, and the convenience of purification is improved;
3. the liquid outlet pipe in the carbon dioxide purification device is wound on the air inlet pipe, so that carbon dioxide gas can be precooled when air is fed into the air inlet pipe, carbon dioxide with lower temperature is conveyed to the dry ice maker by matching with the carbon dioxide in the liquid outlet pipe, the dry ice maker can conveniently make dry ice, and the effect of saving resources is achieved;
4. the mixed recovery pipe is wound on the dry ice conveying pipeline, and the outer wall of the dry ice conveying pipeline is cooled by using the lower temperature of the gas which is just recovered, so that compared with the condition that the dry ice conveying pipeline is placed at normal temperature, the mixed recovery pipe can better ensure that the dry ice is not gasified in the conveying process and ensures the cleaning quality;
5. the workpiece is placed through the rotary tray, the workpiece can be driven to rotate, the cleaning nozzle and the dry ice nozzle are matched to clean the workpiece in an all-dimensional mode, and dry ice cleaning quality and efficiency are improved.
Drawings
FIG. 1 shows circulating solid CO2The structure schematic diagram of the cleaning system;
FIG. 2 shows circulating solid CO2The structure of the cleaning chamber in the cleaning system is schematic;
FIG. 3 shows circulating solid CO2The structure of the impurity separation mechanism in the cleaning system is shown schematically.
In the figure: 1. a dry ice supply device; 11. a dry ice maker; 111. a circulating air inlet end; 12. a dry ice granulator; 13. a dry ice output pipe; 131. a heat-insulating valve; 132. a heating member; 14. an air compressor; 15. An air inlet pipe; 16. a source of carbon dioxide gas; 2. a cleaning device; 21. a cleaning chamber; 211. cleaning the circulating pipe; 212. a circulating transfer pump; 213. a safety valve; 22. a dry ice sprayer; 3. a recovery device; 31. a hybrid recovery pipe; 32. a transfer pump; 33. an impurity separation mechanism; 331. a filter box; 3311. a sewage draining outlet; 3312. A blowoff valve; 332. an impurity filter screen; 333. a filter; 34. a carbon dioxide recovery pipe; 4. a carbon dioxide purification device; 41. a liquefier; 42. a rectification tank; 43. a reboiler; 44. a liquid outlet pipe; 45. A nitrogen inlet pipe; 5. a controller; 6. a first electric control valve; 7. a second electric control valve; 8. rotating the tray; 81. cleaning the opening; 9. rotating the rod; 91. a drive motor; 10. and a lower cleaning spray head.
Detailed Description
Circulating solid CO pairs with reference to FIGS. 1-32The cleaning system is further described.
Circulating solid CO2Cleaning systemAs shown in fig. 1, the system comprises a dry ice supply device 1 for supplying dry ice, a cleaning device 2 connected with the dry ice supply device 1 and a recovery device 3 connected with the cleaning device 2, wherein the dry ice supply device 1 conveys the dry ice to the cleaning device 2, after the cleaning device 2 cleans and uses the dry ice, the recovery device 3 recovers the carbon dioxide into the dry ice supply device 1 to prepare the dry ice, thereby forming a circulating dry ice cleaning system and improving the resource utilization rate.
As shown in fig. 1 and 2, the cleaning device 2 includes a cleaning chamber 21 and a dry ice sprayer 22 disposed in the cleaning chamber 21, a rotating tray 8 is rotatably disposed in the cleaning chamber 21, a workpiece can be placed on the rotating tray 8, and then the dry ice sprayer 22 sprays dry ice to clean the workpiece, and the workpiece cleaning process can rotate along with the rotation of the rotating tray 8, so that the workpiece can be cleaned in place in all directions, and the cleaning efficiency is improved.
Specifically, as shown in fig. 2, the rotating tray 8 is rotatably installed in the cleaning chamber 21 through the rotating lever 9, and a driving motor 91 for driving the rotating lever 9 to rotate is installed at the bottom of the cleaning chamber 21, so that the rotating tray 8 is elevated and rotated. Wherein, be located the position department of rotatory tray 8 below at purge chamber 21 and be provided with down and wash shower nozzle 10, wash shower nozzle 10 down and be connected with dry ice feeding device 1, offer the washing mouth 81 that is used for supplying the dry ice to pass on rotatory tray 8, and the inside support department of rotatory tray 8 all establishes to latticedly, so that the dry ice passes, thereby utilize down to wash shower nozzle 10 and spray the dry ice and wash placing the work piece bottom on rotatory tray 8, thereby the all-round work piece that washs, improve the cleaning efficiency. Dry ice shower nozzle 22 is provided with a plurality ofly, and a plurality of dry ice shower nozzles 22 set up respectively on the top of purge chamber 21 and week side inner wall, and dry ice shower nozzle 22 all sets up to the portable shower nozzle of angularly adjustable, and the structure of wasing shower nozzle 10 down is unanimous with dry ice shower nozzle 22 structure to can wash the position according to the work piece, adjust dry ice shower nozzle 22 and the counterpoint angle of wasing shower nozzle 10 down, in order to improve cleaning efficiency.
As shown in fig. 2, a cleaning circulation pipe 211 is further arranged in the cleaning chamber 21, one end of the cleaning circulation pipe 211 is connected above the cleaning chamber 21, the other end is connected below the cleaning chamber 21, and a circulation transfer pump 212 and a safety valve 213 are arranged on the cleaning circulation pipe 211, so that the dry ice in the cleaning chamber 21 is circularly conveyed to the workpiece by the circulation transfer pump 212 for repeated use and cleaning until the dry ice is gasified, and the safety valve 213 is closed, thereby improving the utilization rate of the dry ice.
As shown in fig. 1, the recycling device 3 includes a mixing recycling pipe 31 connected to the cleaning chamber 21, a transfer pump 32 disposed on the mixing recycling pipe 31, an impurity separating mechanism 33 connected to the mixing recycling pipe 31, and a carbon dioxide recycling pipe 34 connected to the impurity separating mechanism 33, wherein one end of the carbon dioxide recycling pipe 34 far from the impurity separating mechanism 33 is connected to the carbon dioxide purifying device 4, and an output end of the carbon dioxide purifying device 4 is connected to an input end of the dry ice supplying device 1. The cleaned and gasified carbon dioxide is sent into the mixing recovery pipe 31 through the transfer pump 32, and is sent to the impurity separation mechanism 33 through the mixing recovery pipe 31, so that impurities in the carbon dioxide are separated and precipitated through the impurity separation mechanism 33, the carbon dioxide is sent to the carbon dioxide purification device 4 through the carbon dioxide recovery pipe 34 to be purified, and then is sent into the dry ice supply device 1 to be made into dry ice again, and therefore the cyclic utilization of resources is formed, energy is saved, and emission is reduced.
As shown in fig. 1, the dry ice supply device 1 includes a dry ice maker 11, a dry ice pelletizer 12 connected to the dry ice maker 11, and a dry ice output pipe 13 connected to the dry ice pelletizer 12, an air compressor 14 for supplying conveying pressure to the dry ice is disposed on the dry ice output pipe 13, the dry ice maker 11 is connected to a carbon dioxide gas source 16 through an air inlet pipe 15, the dry ice is made by the dry ice maker 11 and then sent to the dry ice pelletizer 12 for being cut into dry ice granules, and then the dry ice granules are sent to the dry ice conveying pipe by the air compressor 14 and then sent to the cleaning device 2 for use by the dry ice conveying pipe.
As shown in fig. 1, the carbon dioxide purifying apparatus 4 includes a liquefier 41, a rectifying tank 42 connected to the liquefier 41, and a reboiler 43 connected to the rectifying tank 42 and the liquefier 41, and the reboiler 43 is connected to a liquid outlet pipe 44 for collecting purified liquid carbon dioxide and a nitrogen inlet pipe 45 for supplying liquid nitrogen. The gas fed from the carbon dioxide recovery pipe 34 is liquefied by the liquefier 41, and then after purification treatment by the rectifying tank 42, the liquid flows into the reboiler 43, and the reboiler 43 is circularly supplied to the liquefier 41, and after purification is circularly performed for a plurality of times, the purified liquid carbon dioxide is sent out by the liquid outlet pipe 44. The other end of the liquid outlet pipe 44 is connected with the dry ice supply device 1, and specifically, a circulating air inlet end 111 for connecting with the liquid outlet pipe 44 is arranged on the dry ice maker 11 so as to be convenient for connecting with the liquid outlet pipe 44, so that the recovered and purified carbon dioxide is sent into the dry ice maker 11 to be made into dry ice, resources are recycled, and the carbon dioxide is prevented from being directly discharged into the atmosphere.
As shown in fig. 1 and 3, the impurity separating mechanism 33 includes a filter box 331 disposed between the mixing recovery pipe 31 and the carbon dioxide recovery pipe 34, an impurity filter net 332 disposed in the filter box 331, and a filter 333 disposed at one side of the impurity filter net 332 and configured to adsorb activated carbon particles, so as to filter impurities clamped in carbon dioxide by the impurity filter net 332 and the filter 333, improve purity of carbon dioxide, and facilitate concentrated collection processing of impurities generated by cleaning. The impurity filter screen 332 is provided with a plurality of layers of meshes with gradually decreasing sizes, and the meshes of the meshes are sequentially arranged from the air inlet end to the air outlet end in a decreasing mode to form progressive filtering, so that impurities can be gradually filtered, the flowing speed of air flow is guaranteed, and the impurities and the carbon dioxide can be conveniently filtered.
Further, as shown in fig. 3, the bottom of the filter box 331 is formed in a funnel shape so that the filtered foreign substances fall on the bottom of the filter box 331. The bottom of the filter box 331 is provided with a drain 3311 for discharging impurities, and the drain 3311 is provided with a drain valve 3312, so that the drain valve 3312 can be opened to discharge the impurities, the workers can conveniently concentrate and recover the impurities, useful parts in the impurities can be lifted, and resources can be reasonably utilized.
As shown in fig. 1, since the carbon dioxide is cleaned in the cleaning chamber 21, and the overall temperature of the recovered carbon dioxide is lower than the normal temperature of the outdoor environment, the liquid outlet pipe 44 can be wound on the air inlet pipe 15 in a snake shape, and the mixed recovery pipe 31 is wound on the dry ice output pipeline 13 in a snake shape, so that the carbon dioxide on the air inlet pipe 15 is precooled by the low temperature of the liquid outlet pipe 44, and the dry ice maker 11 can make dry ice quickly; the mixed recovery pipe 31 is used for ensuring that the ambient temperature of the dry ice output pipeline 13 is lower than the normal temperature of the outdoor environment, and ensuring that the dry ice is not affected by temperature and gasified in the conveying process, thereby improving the cleaning effect on the workpiece.
As shown in fig. 1, under long-term use, ice pieces may adhere to the inside of the dry ice output pipe 13 and the cleaning chamber 21, so in order to facilitate long-term use of the dry ice cleaning system, a heating member 132 for heating the dry ice output pipe 13 is arranged on the dry ice output pipe 13, the heating member 132 is arranged at one end of the dry ice output pipe 13 connected to the cleaning chamber 21, and the heating member 132 is arranged by using an electric heating pipe, so as to facilitate rapid heating and cooling, thereby discharging the ice pieces through gasification. The heating element 132 can heat the cleaning chamber 21 while supplying heat, so that the ice blocks are gasified in the dry ice output pipeline 13 and the cleaning chamber 21, and the equipment can be reused conveniently. Further, an insulation valve 131 is disposed at one end of the dry ice output pipe 13 connected to the dry ice pelletizer 12, and when the heating element 132 is turned on, the insulation valve 131 is closed, so as to prevent the temperature from being transmitted to the dry ice supply device 1 to cause damage.
As shown in fig. 1, each pipeline needs to be intelligently controlled and conducted, so the system further comprises a controller 5 (set by adopting a PLC controller 5), and the controller 5 is connected with the dry ice supply device 1, the cleaning device 2 and the recovery device 3, thereby facilitating automatic control and improving the intelligence of the system. The first electric control valve 6 and the second electric control valve 7 are respectively arranged on the mixing recovery pipe 31 and the carbon dioxide recovery pipe 34, and the first electric control valve 6, the second electric control valve and the safety valve 213 are controlled by the controller 5, so that the conduction of each pipeline can be intelligently switched, and the use convenience is improved.
The working principle is as follows: during the use, place the work piece on the rotatory tray 8 of purge chamber 21, drive the work piece by rotatory tray 8 and rotate, cooperate a plurality of dry ice shower nozzles 22 and wash shower nozzle 10 down and carry out the dry ice and wash to the all-round dry ice that provides washs for the work piece, improves cleaning efficiency and cleaning quality. The gas mixed with impurities generated in the cleaning process is recovered by the mixed recovery pipe 31 and is sent into the impurity separation mechanism 33 for filtering, the gas after impurity filtering is sent into the carbon dioxide purification device 4 for purification, and the purified carbon dioxide is sent into the dry ice supply device 1 through the liquid outlet pipe 44 to be made into dry ice again, so that the carbon dioxide can be recycled, and the effect of saving resources is achieved.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (10)
1. Circulating solid CO2The cleaning system is characterized by comprising a dry ice supply device (1) for supplying dry ice, a cleaning device (2) connected with the dry ice supply device (1) and a recovery device (3) connected with the cleaning device (2), the cleaning device (2) comprises a cleaning chamber (21) and a dry ice spray head (22) arranged in the cleaning chamber (21), the recovery device (3) comprises a mixed recovery pipe (31) connected with the cleaning chamber (21), a transmission pump (32) arranged on the mixed recovery pipe (31), an impurity separation mechanism (33) connected with the mixed recovery pipe (31) and a carbon dioxide recovery pipe (34) connected with the impurity separation mechanism (33), one end of the carbon dioxide recovery pipe (34) far away from the impurity separation mechanism (33) is connected with a carbon dioxide purification device (4), the output end of the carbon dioxide purification device (4) is connected with the input end of the dry ice supply device (1).
2. The circulating solid CO of claim 12The cleaning system is characterized in that the impurity separation mechanism (33) comprises a filter box (331) arranged between the mixing recovery pipe (31) and the carbon dioxide recovery pipe (34), an impurity filter screen (332) arranged in the filter box (331) and a filter (333) arranged on one side of the impurity filter screen (332) and used for adsorbing active carbon particles, and a plurality of layers of meshes with gradually decreasing sizes are arranged on the impurity filter screen (332).
3. The method of claim 1Circulating solid CO2The cleaning system is characterized in that the carbon dioxide purification device (4) comprises a liquefier (41), a rectifying tank (42) connected with the liquefier (41) and a reboiler (43) connected with the rectifying tank (42) and the liquefier (41), a liquid outlet pipe (44) used for collecting purified liquid carbon dioxide is connected to the reboiler (43), and the other end of the liquid outlet pipe (44) is connected with the dry ice supply device (1).
4. A recycled solid CO according to claim 32The cleaning system is characterized in that the dry ice supply device (1) comprises a dry ice maker (11), a dry ice granulator (12) connected with the dry ice maker (11) and a dry ice output pipeline (13) connected with the dry ice granulator (12), an air compressor (14) used for providing conveying pressure for dry ice is arranged on the dry ice output pipeline (13), the dry ice maker (11) is connected with a carbon dioxide air source (16) through an air inlet pipe (15), and a circulating air inlet end (111) used for being connected with a liquid outlet pipe (44) is arranged on the dry ice maker (11).
5. A recycled solid CO according to claim 42The cleaning system is characterized in that the liquid outlet pipe (44) is wound on the air inlet pipe (15) in a snake shape, and the mixed recovery pipe (31) is wound on the dry ice output pipe (13) in a snake shape.
6. A recycled solid CO according to claim 42The cleaning system is characterized in that one end of the dry ice output pipeline (13) connected with the dry ice granulator (12) is provided with a heat insulation valve (131), and a heating element (132) used for heating the dry ice output pipeline (13) is arranged on the dry ice output pipeline (13).
7. The circulating solid CO of claim 12The cleaning system is characterized by further comprising a controller (5), wherein a first electric control valve (6) and a second electric control valve (7) are respectively arranged on the mixing recovery pipe (31) and the carbon dioxide recovery pipe (34), and the first electric control valve (6) and the second electric control valve (7) are controlled by the controller(5) The above.
8. A recycled solid CO according to any one of claims 1 to 72The cleaning system is characterized in that a cleaning circulating pipe (211) is arranged in the cleaning chamber (21), one end of the cleaning circulating pipe (211) is connected above the cleaning chamber (21), the other end of the cleaning circulating pipe is connected below the cleaning chamber (21), and a circulating transmission pump (212) and a safety valve (213) are arranged on the cleaning circulating pipe (211).
9. A recycled solid CO according to any one of claims 1 to 72The cleaning system is characterized in that a rotary tray (8) is arranged in the cleaning chamber (21), the bottom of the rotary tray (8) is rotatably arranged in the cleaning chamber (21) through a rotating rod (9), a lower cleaning nozzle (10) is arranged at the position, below the rotary tray (8), of the cleaning chamber (21), and a cleaning opening (81) for allowing dry ice to pass through is formed in the rotary tray (8).
10. The recycled solid CO of claim 92The cleaning system is characterized in that the dry ice spray head (22) is provided with a plurality of dry ice spray heads, and the dry ice spray head (22) is arranged as a movable spray head.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010251311.0A CN111530848A (en) | 2020-04-01 | 2020-04-01 | Circulating solid CO2Cleaning system |
| PCT/CN2020/097983 WO2021196423A1 (en) | 2020-04-01 | 2020-06-24 | Circulating solid co2 cleaning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010251311.0A CN111530848A (en) | 2020-04-01 | 2020-04-01 | Circulating solid CO2Cleaning system |
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| CN111530848A true CN111530848A (en) | 2020-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010251311.0A Pending CN111530848A (en) | 2020-04-01 | 2020-04-01 | Circulating solid CO2Cleaning system |
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| Country | Link |
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| CN (1) | CN111530848A (en) |
| WO (1) | WO2021196423A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112474610A (en) * | 2020-11-05 | 2021-03-12 | 厦门理工学院 | Solid CO2Particle jet cleaning device |
| CN112474606A (en) * | 2020-10-21 | 2021-03-12 | 厦门理工学院 | Intelligence environmental protection cleaning equipment |
| CN114425538A (en) * | 2022-03-15 | 2022-05-03 | 广东工业大学 | Device and method for cleaning and recycling dry ice of connecting rod |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117069110B (en) * | 2023-08-22 | 2024-02-09 | 迪普干冰制造(大连)有限公司 | Multi-specification dry ice manufacturing machine, automatic controller and method |
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- 2020-04-01 CN CN202010251311.0A patent/CN111530848A/en active Pending
- 2020-06-24 WO PCT/CN2020/097983 patent/WO2021196423A1/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112474606A (en) * | 2020-10-21 | 2021-03-12 | 厦门理工学院 | Intelligence environmental protection cleaning equipment |
| CN112474610A (en) * | 2020-11-05 | 2021-03-12 | 厦门理工学院 | Solid CO2Particle jet cleaning device |
| CN112474610B (en) * | 2020-11-05 | 2022-04-12 | 厦门理工学院 | Solid CO2Particle jet cleaning device |
| CN114425538A (en) * | 2022-03-15 | 2022-05-03 | 广东工业大学 | Device and method for cleaning and recycling dry ice of connecting rod |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021196423A1 (en) | 2021-10-07 |
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Application publication date: 20200814 |