CN112691984A - Vacuum hydrocarbon cleaning and two-stage regeneration recovery device - Google Patents
Vacuum hydrocarbon cleaning and two-stage regeneration recovery device Download PDFInfo
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- CN112691984A CN112691984A CN202110117462.1A CN202110117462A CN112691984A CN 112691984 A CN112691984 A CN 112691984A CN 202110117462 A CN202110117462 A CN 202110117462A CN 112691984 A CN112691984 A CN 112691984A
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- 238000004140 cleaning Methods 0.000 title claims abstract description 117
- 230000008929 regeneration Effects 0.000 title claims abstract description 85
- 238000011069 regeneration method Methods 0.000 title claims abstract description 85
- 238000011084 recovery Methods 0.000 title claims abstract description 39
- 239000004215 Carbon black (E152) Substances 0.000 title claims abstract description 38
- 229930195733 hydrocarbon Natural products 0.000 title claims abstract description 38
- 150000002430 hydrocarbons Chemical class 0.000 title claims abstract description 38
- 239000007788 liquid Substances 0.000 claims abstract description 98
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 31
- 238000005187 foaming Methods 0.000 claims abstract description 11
- 238000010926 purge Methods 0.000 claims abstract description 10
- 238000010407 vacuum cleaning Methods 0.000 claims abstract description 8
- 229910001873 dinitrogen Inorganic materials 0.000 claims abstract description 7
- 239000003960 organic solvent Substances 0.000 claims abstract description 7
- 238000003860 storage Methods 0.000 claims description 38
- 238000005507 spraying Methods 0.000 claims description 31
- 238000010438 heat treatment Methods 0.000 claims description 29
- 238000004821 distillation Methods 0.000 claims description 27
- 239000002699 waste material Substances 0.000 claims description 26
- 238000009833 condensation Methods 0.000 claims description 22
- 230000005494 condensation Effects 0.000 claims description 22
- 229910052757 nitrogen Inorganic materials 0.000 claims description 12
- 239000000498 cooling water Substances 0.000 claims description 10
- 230000009977 dual effect Effects 0.000 claims description 10
- 230000001172 regenerating effect Effects 0.000 claims description 10
- 238000012546 transfer Methods 0.000 claims description 9
- 239000010865 sewage Substances 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 14
- 238000001035 drying Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 9
- 239000007921 spray Substances 0.000 abstract description 9
- 238000002791 soaking Methods 0.000 abstract description 5
- 238000001291 vacuum drying Methods 0.000 abstract description 4
- 238000005406 washing Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 43
- 239000012459 cleaning agent Substances 0.000 description 27
- 239000002904 solvent Substances 0.000 description 18
- 150000008282 halocarbons Chemical class 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 238000009835 boiling Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 239000003344 environmental pollutant Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000010808 liquid waste Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- AJDIZQLSFPQPEY-UHFFFAOYSA-N 1,1,2-Trichlorotrifluoroethane Chemical compound FC(F)(Cl)C(F)(Cl)Cl AJDIZQLSFPQPEY-UHFFFAOYSA-N 0.000 description 1
- 206010058667 Oral toxicity Diseases 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 231100000315 carcinogenic Toxicity 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 239000010724 circulating oil Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 231100001010 corrosive Toxicity 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000011086 high cleaning Methods 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 231100000016 inhalation toxicity Toxicity 0.000 description 1
- 238000006317 isomerization reaction Methods 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- -1 moisture Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 231100000418 oral toxicity Toxicity 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000820 toxicity test Toxicity 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/08—Cleaning involving contact with liquid the liquid having chemical or dissolving effect
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B5/00—Drying solid materials or objects by processes not involving the application of heat
- F26B5/04—Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum
- F26B5/041—Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum for drying flowable materials, e.g. suspensions, bulk goods, in a continuous operation, e.g. with locks or other air tight arrangements for charging/discharging
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Molecular Biology (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
The utility model provides a hydrocarbon washing in vacuum and doublestage regeneration recovery unit, includes vacuum cleaning device, bipolar regeneration recovery unit, vacuum pump, nitrogen gas feeding device and electrically controlled device, and vacuum cleaning device includes first skeleton, and first skeleton includes base and support, is provided with purge chamber, foul solution jar, reservoir on the base, and the top in the purge chamber is provided with spray set and foaming device, bipolar regeneration recovery unit includes the regeneration tank, and the foul solution jar passes through the pipeline and is connected with the regeneration tank. The invention has excellent cleaning and drying functions such as oil removal, and the like, adopts modes such as spray cleaning, soaking cleaning, new liquid spray, vacuum drying and the like in the cleaning process, can realize large-batch, automatic, high-cleanness, environment-friendly and safe cleaning, has good applicability and cleaning effect on complex parts such as blind holes and the like, and can fully dry environment-friendly hydrocarbon organic solvent under the vacuum condition. The bipolar regeneration and recovery device can continuously distill and recover the cleaned dirty liquid.
Description
Technical Field
The invention relates to the field of cleaning, in particular to a technology for cleaning a workpiece and recovering a cleaning agent, and specifically relates to a vacuum hydrocarbon cleaning and double-stage regeneration recovery device.
Background
In the cleaning industry, the surfaces of parts usually contain metal processing oil and quenching oil, and conventionally, a cleaning machine adopts a mode of cleaning by using a plurality of tanks, after cleaning for a period of time, cleaning agents need to be replaced, the cleaning agents used in an original tank need to be discharged into a specified sewage tank, then the cleaning agents are discharged after being treated by a sewage treatment station, and only small-batch cleaning can be performed.
In the cleaning industry, the final cleaning effect is realized by combining a plurality of process tanks in a conventional cleaning mode, the mode generally needs 2 or more persons for matching operation, the mode has large occupied area, the cleaning agent needs to be replaced periodically, and the cleaning agent can be discharged after reaching the discharge standard after being treated by a sewage treatment station, so that the capacity is low, the cost is high, and the efficiency is low.
The disadvantages of hydrocarbon cleaners: although the hydrocarbon cleaning agent has many advantages, it has a high boiling point (150 to 190 ℃) and a low flash point (50 to 70 ℃) compared with the ODS cleaning agent. Although the higher boiling point can reduce the volatilization loss of the cleaning agent in the processes of storage, transportation and use, the drying speed of the cleaned workpiece is greatly reduced, the distillation and regeneration of the cleaning agent are difficult, and the lower flash point improves the fire-proof requirements in the processes of cleaning, drying and distillation and regeneration.
Disclosure of Invention
The invention aims to provide a vacuum hydrocarbon cleaning and double-stage regeneration recovery device, which aims to solve the technical problems that a hydrocarbon cleaning machine in the prior art is low in cleaning efficiency, large in occupied space, required to be replaced periodically and difficult in sewage discharge.
The invention relates to a vacuum hydrocarbon cleaning and two-stage regeneration recovery device, which comprises a vacuum cleaning device, a two-stage regeneration recovery device, a vacuum pump, a nitrogen supply device and an electric control device, wherein the electric control device comprises a first controller and a second controller,
the vacuum cleaning device comprises a first framework, the first framework comprises a base and a support, a cleaning chamber, a waste liquid tank and a liquid storage tank are arranged on the base, the cleaning chamber comprises a base, the base is fixed on the base, a spraying device and a foaming device are arranged at the top in the cleaning chamber, a nozzle used for spraying an organic solvent is arranged on the spraying device, the spraying device is connected with one end of a spraying pump through a pipeline, the other end of the spraying pump is connected with the liquid storage tank through a pipeline, the foaming device is connected with a nitrogen gas supply device, a first heating device and a charging platform are arranged at the bottom of the cleaning chamber, the control end of the first heating device is connected with a first controller, an automatic pneumatic door is arranged at the front side of the cleaning chamber, the control end of the automatic pneumatic door is connected with the first controller, the cleaning chamber is connected with the liquid storage tank through a circulating pump and a pipeline, the cleaning chamber is connected with the waste liquid tank through, The liquid storage tanks are connected with each other,
the bipolar regeneration recovery device comprises a regeneration tank, and the dirty liquid tank is connected with the regeneration tank through a pipeline.
Furthermore, the bipolar regeneration recovery device comprises a second framework, a vacuum pump and a cooling water circulation device, wherein the second framework is provided with a primary regeneration device, a secondary regeneration device, a first power pump, a second power pump, a condensation chamber, a transfer tank, an oil storage tank, a new liquid tank and a waste liquid tank,
the first-stage regeneration device comprises a regeneration groove, the regeneration groove is connected with a vacuum pump, a first heat conduction oil pipe and a spraying device are arranged in the regeneration groove, a heat conduction oil groove is arranged below the regeneration groove, a second heating device is arranged in the heat conduction oil groove, the control end of the second heating device is connected with a second controller, the second heating device is arranged below the regeneration groove, an oil storage tank is communicated with one end of the first heat conduction oil pipe through a pipeline, the other end of the first heat conduction oil pipe is communicated with one end of the heat conduction oil groove through a first power pump and a pipeline, the other end of the heat conduction oil groove is communicated with the oil storage tank through a pipeline, the first end of the regeneration groove is communicated with a condensation chamber through a pipeline, a first condensation pipe is arranged in the condensation chamber, two ends of the first condensation pipe are communicated with a cooling water circulation device, a diversion groove is arranged in the condensation chamber, one end of the diversion groove is communicated with a new liquid tank through a pipeline,
the second-stage regeneration device comprises a small distillation tank, a circulating tank and a waste liquid tank, wherein the small distillation tank is arranged on a framework and is connected with a vacuum pump, a second heat-conducting oil pipe and a third heating device are arranged in the small distillation tank, the control end of the third heating device is connected with a second controller, the other end of the middle distillation tank is communicated with one end of the small distillation tank through a pipeline, an oil storage tank is communicated with the second heat-conducting oil pipe through a second power pump and a pipeline, the other end of the second heat-conducting oil pipe is communicated with the oil storage tank, the small distillation tank is communicated with the first end of the circulating tank through a pipeline, a second condensing pipe is arranged in the circulating tank, two ends of the second condensing pipe are communicated with a cooling water circulating device, the second end of the circulating tank is communicated with a new liquid tank through a third power pump and a pipeline, and the third end of the circulating tank is,
the nitrogen supply device and the vacuum pump are respectively connected with the regeneration tank, the transfer tank, the small distillation tank, the circulation tank, the waste liquid tank and the new liquid tank through pipelines, capacitive liquid level sensors are respectively arranged in the regeneration tank, the new liquid tank and the waste liquid tank, and the signal output ends of the capacitive liquid level sensors are connected with the second controller.
Furthermore, an air filter is arranged on the upper left side in the cleaning chamber.
Further, the cleaning chamber is of a circular frame structure.
Further, the liquid storage tank and the cleaning chamber form an annular frame structure.
Further, the electric control device is a rectangular frame body.
Furthermore, the outer sides of the cleaning chamber and the liquid storage tank are coated with a heat insulation layer,
further, the dirty liquid tank is arranged on the left side of the cleaning chamber.
Compared with the prior art, the invention has positive and obvious effect. The vacuum hydrocarbon cleaning and two-stage regeneration recovery device has excellent cleaning and drying functions such as oil removal, and the like, adopts the modes of spray cleaning, soaking cleaning, new liquid spray, vacuum drying and the like in the cleaning process, can realize large-scale, automatic, high-cleanness, environment-friendly and safe cleaning, has good applicability and cleaning effect on complex parts such as blind holes and the like, and can fully dry environment-friendly hydrocarbon organic solvent under the vacuum condition. The bipolar regeneration recovery device can continuously distill and recover the cleaned dirty liquid, the first-stage regeneration device can quickly distill and recover the dirty liquid under high vacuum, the second-stage regeneration device can recover the dirty liquid under low vacuum with high purity, and a clean solvent with high purity is used for ensuring that a cleaning part is always used, so that the bipolar regeneration recovery device is a decisive factor for continuously cleaning without reducing the cleaning capacity. The waste liquid separated after regeneration and recovery is stored and discharged in a centralized way, the waste liquid is the only liquid waste discharge substance in the whole cleaning process, and the waste liquid is basically composed of various oil substances and can be recycled as waste oil, so that the cleaning machine has no discharge of any pollutant.
Drawings
FIG. 1 is a schematic front view of a vacuum hydrocarbon cleaning and dual stage regeneration recovery device according to the present invention.
FIG. 2 is a schematic side view of a vacuum hydrocarbon cleaning and dual stage regenerative recovery device according to the present invention.
FIG. 3 is a schematic top view of a vacuum hydrocarbon purge and dual stage regenerative recovery device of the present invention.
Detailed Description
The present invention will be further described with reference to the drawings and examples, but the present invention is not limited to the examples, and all similar structures and similar variations using the present invention shall fall within the scope of the present invention.
Example 1
As shown in fig. 1, fig. 2 and fig. 3, the vacuum hydrocarbon cleaning and two-stage regeneration recovery device of the present invention comprises a vacuum cleaning device 1, a bipolar regeneration recovery device, a vacuum pump 7, a nitrogen gas supply device 4 and an electric control device 5, wherein the electric control device 5 comprises a first controller and a second controller,
the vacuum cleaning device 1 comprises a first framework 9, the first framework 9 comprises a base 91 and a support 92, a cleaning chamber 6, a dirty liquid tank 8 and a liquid storage tank 66 are arranged on the base 91, the cleaning chamber 6 comprises a base, the base is fixed on the base 91, a spraying device 61 and a foaming device 62 are arranged at the top in the cleaning chamber 6, a nozzle for spraying an organic solvent is arranged on the spraying device 61, the spraying device 61 is connected with one end of a spraying pump 10 through a pipeline, the other end of the spraying pump 10 is connected with the liquid storage tank 66 through a pipeline, the foaming device 62 is connected with a nitrogen supply device 4, a first heating device 63 and a charging platform 64 are arranged at the bottom of the cleaning chamber 6, the control end of the first heating device 63 is connected with a first controller, an automatic pneumatic door 65 is arranged at the front side of the cleaning chamber 6, the control end of the automatic pneumatic door 65 is connected with the first controller, the cleaning chamber 6 is connected with the liquid storage tank 66, the cleaning chamber 6 is connected with the dirty liquid tank 8 through a pipeline, the nitrogen supply device 4 and the vacuum pump 7 are respectively connected with the cleaning chamber 6 and the liquid storage tank 66 through pipelines,
the bipolar regeneration recovery device comprises a regeneration tank 26, and the sewage tank 8 is connected with the regeneration tank 26 through a pipeline.
Further, the bipolar regeneration recovery device comprises a second framework 93, a vacuum pump 7 and a cooling water circulation device 3, wherein the second framework 93 is provided with a first-stage regeneration device 21, a second-stage regeneration device 28, a first power pump 23, a second power pump 24, a condensation chamber 27, a transfer tank, an oil storage tank, a new liquid tank and a waste liquid tank 283,
the first-stage regeneration device 21 comprises a regeneration groove 26, the regeneration groove 26 is connected with the vacuum pump 7, a first heat conduction oil pipe and a spraying device are arranged in the regeneration groove 26, a heat conduction oil groove 25 is arranged below the regeneration groove 26, a second heating device is arranged in the heat conduction oil groove 25, the control end of the second heating device is connected with a second controller, the second heating device is arranged below the regeneration groove 26, an oil storage tank is communicated with one end of the first heat conduction oil pipe through a pipeline, the other end of the first heat conduction oil pipe is communicated with one end of the heat conduction oil groove 25 through a first power pump 23 and a pipeline, the other end of the heat conduction oil groove 25 is communicated with the oil storage tank through a pipeline, the first end of the regeneration groove 26 is communicated with a condensation chamber 27 through a pipeline, a first condensation pipe is arranged in the condensation chamber 27, the two ends of the first condensation pipe are communicated with the cooling water circulation device 3, a diversion groove is arranged in the condensation chamber 27, a second end of the regeneration tank 26 communicates with one end of the transit tank through a pipe,
the second-stage regeneration device 28 comprises a small distillation tank 281, a circulation tank 282 and a waste liquid tank 283, the small distillation tank 281 is arranged on the framework, the small distillation tank 281 is connected with the vacuum pump 7, a second heat conduction oil pipe and a third heating device are arranged in the small distillation tank 281, the control end of the third heating device is connected with a second controller, the other end of the middle distillation tank is communicated with one end of the small distillation tank 281 through a pipeline, the oil storage tank is communicated with the second heat conduction oil pipe through a second power pump 24 and a pipeline, the other end of the second heat conduction oil pipe is communicated with the oil storage tank, the small distillation tank 281 is communicated with the first end of the circulation tank 282 through a pipeline, a second condensation pipe is arranged in the circulation tank 282, two ends of the second condensation pipe are communicated with the cooling water circulation device 3, the second end of the circulation tank 282 is communicated with the new liquid tank through a third power pump and a pipeline, the third end of the circulation tank 282 is communicated with,
the nitrogen supply device 4 and the vacuum pump 7 are respectively connected with the regeneration tank 26, the transfer tank, the small distillation tank 281, the circulation tank 282, the waste liquid tank 283 and the new liquid tank through pipelines, capacitance type liquid level sensors are respectively arranged in the regeneration tank 26, the new liquid tank and the waste liquid tank 283, and signal output ends of the capacitance type liquid level sensors are connected with the second controller.
Further, an air filter is arranged on the upper left side in the cleaning chamber 6.
Further, the cleaning chamber 6 is a circular frame structure.
Further, the reservoir 66 and the cleaning chamber 6 form an annular frame structure.
Further, the electric control device 5 is a rectangular frame.
Furthermore, the outer sides of the cleaning chamber 6 and the liquid storage tank 66 are coated with heat insulation layers,
further, the dirty liquid tank 8 is disposed on the left side of the cleaning chamber 6.
Specifically, the nitrogen gas supply device 4, the vacuum pump 7, the electric control device 5, the spraying device 61, the foaming device 62, the heating device, the charging platform 64, the automatic pneumatic door 65, the cooling water circulation device 3, the spraying device, the power pump, the condenser pipe, the capacitive liquid level sensor and the like in the embodiment all adopt known solutions in the prior art, and are known to those skilled in the art, and are not described herein again.
The working principle of the embodiment is as follows:
moving the workpiece into a cleaning chamber 6, using a loading table 64 for supporting the workpiece in the cleaning chamber 6, using an automatic pneumatic door 65 for compressing and sealing through a four-bar linkage mechanism, using an O-shaped sealing ring for sealing, locking through a locking device 651, using a vacuum pump 7 for vacuumizing the cleaning chamber 6, using a spray pump 10 for spraying a solvent in a liquid storage tank 66 onto the workpiece through a spray device 61, using the liquid storage tank 66 for providing the solvent required for spraying and foaming cleaning, discharging the dirty liquid in the cleaning chamber 6 to a dirty liquid tank 8 after a set controller program reaches a specified time, using a circulating pump to start working, pumping the solvent in the liquid storage tank 66 into the cleaning chamber 6, immersing the workpiece into the solvent, using a foaming device 62 connected with nitrogen gas to start working, using a pressure difference provided by the vacuum pump 7 and the nitrogen gas in the cleaning chamber 6 as power for transferring and supplementing the solvent to the liquid storage tank 66 after the specified time is reached, after cleaning, the indirect heating is realized for the workpiece through the first heating device 63 in the cleaning chamber 6, the vacuum pump 7 enables the cleaning chamber 6 to be in a vacuum state, the workpiece can be quickly dried in the vacuum state, and after the drying time is over, the workpiece is moved out. Meanwhile, the dirty liquid in the dirty liquid tank 8 is transferred into the first-stage regeneration device 21 through the pressure difference formed by the vacuum pump 7 and nitrogen, the dirty liquid enters the first-stage regeneration device 21 in a spraying mode through the spraying device, the heat conduction oil groove 25 of the first-stage regeneration device 21 starts to be heated through the second heating device, the dirty liquid in the first-stage regeneration device 21 is quickly recovered under high vacuum, the boiled steam rises to the condensation chamber 27, the steam in the condensation chamber 27 is condensed and recovered, the recovered liquid flows into the new liquid tank to be stored, the waste liquid is firstly discharged to the transfer tank, the dirty liquid is transferred into the second-stage regeneration device 28 through the pressure difference formed by the vacuum pump 7 and the nitrogen again, repeated cooking is carried out under low-pressure vacuum, the hydrocarbon solvent is recovered with high purity, and finally the waste liquid is discharged into the waste liquid tank 283 to be. The processes of cleaning, drying and regenerating and recovering the workpiece are carried out in a vacuum state, the liquid is transferred by vacuum and nitrogen pressurization, oxygen and fire sources are separated, a nitrogen supply device 4 is matched with a vacuum pump 7 for use, and the nitrogen supply device 4 is used for pressure balance supply during liquid transfer. The electric control device 5 is designed according to the aim of completing the whole process, and can be controlled automatically and manually.
In addition, the following technical means are adopted in the embodiment to improve the performance of the distillation recovery device:
1. the solvent runs in a closed-loop device after vacuum decompression, and the heated solvent is not directly contacted with the atmosphere;
2. all valves are controlled by a pneumatic control cabinet 51 in a pneumatic mode;
3. the transfer of the solvent among the tank bodies is realized through differential pressure power, so that oxygen and fire sources are isolated, and the use safety is ensured;
4. the temperature rise of each part adopts the indirect heating by circulating oil supply;
6. the hydrocarbon cleaning agent is normal and isomeric alkane with the distillation range of about 140-190 ℃, is generally prepared by crude distillation, hydrogenation, rectification and isomerization of petroleum, and has many advantages compared with other cleaning agents.
7. The cleaning performance is good, the hydrocarbon cleaning agent and most of lubricating oil, antirust oil and machining oil are nonpolar petroleum fractions, and the effect of cleaning the mineral oil by the hydrocarbon cleaning agent is better than that of halogenated hydrocarbon and water-based cleaning agent according to the principle of similarity and intermiscibility.
8. The evaporation loss is small, the boiling point of the hydrocarbon cleaning agent is generally above 150 ℃, the volatilization loss is much less than that of halogenated hydrocarbon with the boiling point of 40-80 ℃ in the use and storage processes, and the sealing requirement on packages and equipment is very low.
9. The cleaning agent is non-toxic, and through toxicity tests, the inhalation toxicity, the oral toxicity and the skin contact toxicity of the hydrocarbon cleaning agent are low toxicity, and the cleaning agent does not belong to carcinogenic substances, and is safer for cleaning operators compared with halogenated hydrocarbons.
10. The material has good intermiscibility, and the hydrocarbon cleaning agent does not contain corrosives such as moisture, chlorine, sulfur and the like, does not corrode various metals and rubber materials, and does not have the effects of dissolution, swelling and embrittlement, thereby having wide application range.
11 can be completely volatilized without any residue, and the hydrocarbon cleaning agent is a very pure refined solvent, can be completely volatilized at normal temperature or in a heating state, and has no residue.
12. The environment is not damaged. The hydrocarbon cleaning agent can be naturally degraded, the cleaning waste liquid can be put into a coal or oil burning pot for burning, the burning products mainly comprise CO2 and water, and the pollution to air is avoided. The hydrocarbon cleaning agent does not contain chlorine, and the damage coefficient to ozone is zero.
13. The price is low. The price of the common hydrocarbon cleaning agent is equal to less than 50% of the price of CFC-113, which is one second lower than the price of some ODS substitutes, and the density of the hydrocarbon cleaning agent is about 0.75, which is greatly lower than the density of halogenated hydrocarbon solvent, so the adding amount of the hydrocarbon cleaning agent in the cleaning tank with the same volume is only half of that of the halogenated hydrocarbon cleaning agent.
The cleaning function of the invention is as follows: the invention has excellent cleaning and drying functions such as oil removal, and the like, adopts modes such as spray cleaning, soaking cleaning, new liquid spray, vacuum drying and the like in the cleaning process, can realize large-batch, automatic, high-cleanness, environment-friendly and safe cleaning, has good applicability and cleaning effect on complex parts such as blind holes and the like, and can fully dry environment-friendly hydrocarbon organic solvents under the vacuum condition.
The solvent regeneration and recovery function of the invention is as follows: the bipolar regeneration recovery device can continuously distill and recover the cleaned dirty liquid, the first-stage regeneration device 21 is used for quickly distilling and recovering the dirty liquid under high vacuum, the second-stage regeneration device 28 is used for recovering the dirty liquid under low vacuum with high purity, and a clean solvent with higher purity is used all the time for ensuring the cleaning part, which is a decisive factor that the device can continuously clean without reducing the cleaning capacity.
The pollutant discharge function of the invention is as follows: the separated dirty liquid after the two-stage regeneration and recovery is stored and discharged in a centralized way, the dirty liquid is the only liquid waste discharge substance in the whole cleaning process, and the waste liquid is basically composed of various oil substances and can be recycled as waste oil, so that the cleaning machine has no discharge of any pollutant.
1. The invention is most suitable for cleaning the heat treatment production line:
the cleaning processes of spraying, soaking/foaming, spraying of new liquid and vacuum drying are carried out on large-batch parts in the cleaning chamber 6, the automation degree is high, and the safety is good.
2. The invention has excellent cleaning effect and drying effect:
when spraying and cleaning, the parts are heated and cleaned in a vacuum soaking and cleaning mode, the blind hole cleaning device can be suitable for blind hole cleaning, and high cleaning capacity and drying performance can be obtained by additionally arranging the enhanced vacuum pump 7.
3. Compact design, easy operation:
the single cleaning chamber 6 and the unique bipolar regeneration and recovery device have small volume, work continuously, can generate a large amount of steam, and are integrated, compact and simple to operate.
4. The consumption of organic solvent is low:
because spraying and steam can be recycled, only a small amount of cleaning solvent is needed, and the solvent is recycled through the bipolar recycling device, so that the consumption is reduced.
5. The safety performance is high:
all cleaning processes are carried out in the cleaning chamber 6, the solvent demand is less, the liquid closed vacuum pump 7 and the gas-liquid separation device are adopted, the safety is high, the pump and the detection device used by the device all adopt an explosion-proof mechanism, and the solvent heating all adopts heat conduction oil to indirectly heat.
6. Free program segment design:
the program setting can select a preset automatic cleaning program or automatically adjust the process and the time period according to the cleaning degree of the product.
Claims (8)
1. A vacuum hydrocarbon cleaning and two-stage regeneration recovery device is characterized in that: comprises a vacuum cleaning device, a bipolar regeneration recovery device, a vacuum pump, a nitrogen supply device and an electric control device, wherein the electric control device comprises a first controller and a second controller,
the vacuum cleaning device comprises a first framework, the first framework comprises a base and a support, a cleaning chamber, a waste liquid tank and a liquid storage tank are arranged on the base, the cleaning chamber comprises a base, the base is fixed on the base, a spraying device and a foaming device are arranged at the top in the cleaning chamber, a nozzle used for spraying an organic solvent is arranged on the spraying device, the spraying device is connected with one end of a spraying pump through a pipeline, the other end of the spraying pump is connected with the liquid storage tank through a pipeline, the foaming device is connected with a nitrogen gas supply device, a first heating device and a charging platform are arranged at the bottom of the cleaning chamber, the control end of the first heating device is connected with a first controller, an automatic pneumatic door is arranged at the front side of the cleaning chamber, the control end of the automatic pneumatic door is connected with the first controller, the cleaning chamber is connected with the liquid storage tank through a circulating pump and a pipeline, the cleaning chamber is connected with the waste liquid tank through, The liquid storage tanks are connected with each other,
the bipolar regeneration recovery device comprises a regeneration tank, and the dirty liquid tank is connected with the regeneration tank through a pipeline.
2. A vacuum hydrocarbon purge and dual stage regenerative recovery device, as claimed in claim 1, wherein: the bipolar regeneration recovery device comprises a second framework, a vacuum pump and a cooling water circulation device, wherein the second framework is provided with a primary regeneration device, a secondary regeneration device, a first power pump, a second power pump, a condensation chamber, a transfer tank, an oil storage tank, a new liquid tank and a waste liquid tank,
the first-stage regeneration device comprises a regeneration groove, the regeneration groove is connected with a vacuum pump, a first heat conduction oil pipe and a spraying device are arranged in the regeneration groove, a heat conduction oil groove is arranged below the regeneration groove, a second heating device is arranged in the heat conduction oil groove, the control end of the second heating device is connected with a second controller, the second heating device is arranged below the regeneration groove, an oil storage tank is communicated with one end of the first heat conduction oil pipe through a pipeline, the other end of the first heat conduction oil pipe is communicated with one end of the heat conduction oil groove through a first power pump and a pipeline, the other end of the heat conduction oil groove is communicated with the oil storage tank through a pipeline, the first end of the regeneration groove is communicated with a condensation chamber through a pipeline, a first condensation pipe is arranged in the condensation chamber, two ends of the first condensation pipe are communicated with a cooling water circulation device, a diversion groove is arranged in the condensation chamber, one end of the diversion groove is communicated with a new liquid tank through a pipeline,
the second-stage regeneration device comprises a small distillation tank, a circulating tank and a waste liquid tank, wherein the small distillation tank is arranged on a framework and is connected with a vacuum pump, a second heat-conducting oil pipe and a third heating device are arranged in the small distillation tank, the control end of the third heating device is connected with a second controller, the other end of the middle distillation tank is communicated with one end of the small distillation tank through a pipeline, an oil storage tank is communicated with the second heat-conducting oil pipe through a second power pump and a pipeline, the other end of the second heat-conducting oil pipe is communicated with the oil storage tank, the small distillation tank is communicated with the first end of the circulating tank through a pipeline, a second condensing pipe is arranged in the circulating tank, two ends of the second condensing pipe are communicated with a cooling water circulating device, the second end of the circulating tank is communicated with a new liquid tank through a third power pump and a pipeline, and the third end of the circulating tank is,
the nitrogen supply device and the vacuum pump are respectively connected with the regeneration tank, the transfer tank, the small distillation tank, the circulation tank, the waste liquid tank and the new liquid tank through pipelines, capacitive liquid level sensors are respectively arranged in the regeneration tank, the new liquid tank and the waste liquid tank, and the signal output ends of the capacitive liquid level sensors are connected with the second controller.
3. A vacuum hydrocarbon purge and dual stage regenerative recovery device, as claimed in claim 1, wherein: an air filter is arranged on the upper left side in the cleaning chamber.
4. A vacuum hydrocarbon purge and dual stage regenerative recovery device, as claimed in claim 1, wherein: the cleaning chamber is of a circular frame structure.
5. A vacuum hydrocarbon purge and dual stage regenerative recovery device, as claimed in claim 1, wherein: the liquid storage tank and the cleaning chamber form an annular frame structure.
6. A vacuum hydrocarbon purge and dual stage regenerative recovery device, as claimed in claim 1, wherein: the electric control device is a rectangular frame body.
7. A vacuum hydrocarbon purge and dual stage regenerative recovery device, as claimed in claim 1, wherein: the outer sides of the cleaning chamber and the liquid storage tank are coated with heat insulation layers.
8. A vacuum hydrocarbon purge and dual stage regenerative recovery device, as claimed in claim 1, wherein: the sewage tank is arranged on the left side of the cleaning chamber.
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| CN202110117462.1A CN112691984A (en) | 2021-01-28 | 2021-01-28 | Vacuum hydrocarbon cleaning and two-stage regeneration recovery device |
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| CN202110117462.1A CN112691984A (en) | 2021-01-28 | 2021-01-28 | Vacuum hydrocarbon cleaning and two-stage regeneration recovery device |
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Application publication date: 20210423 |