CN214289704U - Hydrocarbon washs drying equipment - Google Patents
Hydrocarbon washs drying equipment Download PDFInfo
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- CN214289704U CN214289704U CN202021939200.0U CN202021939200U CN214289704U CN 214289704 U CN214289704 U CN 214289704U CN 202021939200 U CN202021939200 U CN 202021939200U CN 214289704 U CN214289704 U CN 214289704U
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Abstract
The utility model discloses a hydrocarbon cleaning and drying device, which comprises a cleaning system and a cleaning and drying system, wherein the cleaning system comprises a vacuum ultrasonic cleaning device; the cleaning and drying system comprises a cleaning and drying tank and a cleaning liquid recovery device, wherein the cleaning and drying tank comprises a condensation and drying tank and two fluoride liquid cleaning tanks, the first fluoride liquid cleaning tank is an ultrasonic cleaning tank, and the second fluoride liquid cleaning tank is a bath cleaning tank; fluoridize the liquid and wash the groove and arrange the below at the condensation drying tank, fluoridize the top that the liquid washed the groove and be connected with the bottom plate of condensation drying tank, it is uncovered to fluoridize the upper end that the liquid washed the groove, with condensation drying tank intercommunication, is equipped with the coil pipe condenser in the condensation drying tank. The utility model discloses cleaning drying system remains the hydrocarbon washing liquid on the work piece in with the cleaning system cleaning process and dissolves in the liquid solvent of fluoridizing of the clean groove of liquid that fluoridizes, and remaining liquid solvent of fluoridizing on the work piece is condensation drying again in the condensation drying groove, and workpiece surface does not have the residue, and the effect of cleaning and drying is good, and is efficient.
Description
[ technical field ]
The utility model relates to a part cleaning equipment especially relates to a hydrocarbon washs drying equipment.
[ background art ]
In recent years, with the emphasis of the country on environmental protection and the continuous improvement of related environmental regulations, hydrocarbon cleaning liquids gradually become an important industrial cleaning liquid due to their good environmental protection characteristics and cleaning capabilities. After the hydrocarbon cleaning solution cleans the workpiece, a small amount of cleaning solution remains on the workpiece, and the cleaning solution remaining on the workpiece needs to be cleaned and dried.
The invention with the application number of CN201911371203.0 discloses a multi-groove type alloy stamping part vacuum hydrocarbon cleaning dryer, wherein an exhaust fan, an electric appliance control cabinet, a cabinet cooling air conditioner and a water chilling unit are arranged on the outer side of a cabinet, and observation windows are arranged on the front side and the back side of the cabinet; a feeding table and a discharging table are respectively arranged at two ends in the machine cabinet, and an ultrasonic cleaning assembly and a vacuum drying assembly are sequentially arranged between the feeding table and the discharging table; a carrying assembly is arranged above the feeding table, the ultrasonic cleaning assembly, the vacuum drying assembly and the discharging table; a liquid supplementing box, a vacuum pump set, a steam reaction kettle and a distillation recovery component are arranged above the carrying component; the ultrasonic cleaning component and the liquid supplementing box are circularly connected by a pipeline; the vacuum drying component, the distillation recovery component and the liquid supplementing box are connected through pipelines; and the vacuum pump set is respectively connected with the air exhaust ports of the ultrasonic cleaning assembly and the distillation recovery assembly.
The vacuum hydrocarbon cleaning dryer has poor cleaning and drying effects, long time consumption in the vacuum drying process and low cleaning and drying efficiency.
[ summary of the invention ]
The to-be-solved technical problem of the utility model is to provide a hydrocarbon washs drying equipment that washing drying effect is good, efficient.
In order to solve the technical problem, the utility model adopts the technical scheme that a hydrocarbon cleaning and drying device comprises a cleaning system, a cleaning and drying system and a control circuit, wherein the cleaning system comprises a vacuum ultrasonic cleaning device, a cleaning liquid recovery device and a hydrocarbon cleaning liquid storage box, the vacuum ultrasonic cleaning device comprises a plurality of cleaning units, the cleaning units comprise a cleaning tank and a circulating filter assembly, and the circulating filter assembly comprises a circulating pump and a filter which are connected in series; the cleaning and drying system comprises a cleaning and drying tank and a cleaning liquid recovery device, wherein the cleaning and drying tank comprises a condensation drying tank, two fluoride liquid cleaning tanks, a fluoride liquid storage tank and the circulating filter assembly, the first fluoride liquid cleaning tank is an ultrasonic cleaning tank, and the second fluoride liquid cleaning tank is a bath tank; fluoridize the liquid and wash the groove and arrange the below at the condensation drying tank, fluoridize the top that the liquid washed the groove and be connected with the bottom plate of condensation drying tank, it is uncovered to fluoridize the upper end that the liquid washed the groove, with condensation drying tank intercommunication, the coil pipe condenser is equipped with in the condensation drying tank, and the top cap is equipped with at the top.
In the above cleaning and drying apparatus, the inlet of the circulating filter assembly of the cleaning and drying tank is connected to the fluorinated liquid outlet of the first fluorinated liquid cleaning tank through the first pneumatic valve, and is connected to the fluorinated liquid outlet of the fluorinated liquid storage tank through the tenth pneumatic valve; an outlet of the circulating filter assembly of the cleaning and drying tank is connected with a first inlet of the fluorinated liquid of the first fluorinated liquid cleaning tank through a second pneumatic valve, and is connected with a first inlet of the fluorinated liquid of the second fluorinated liquid cleaning tank through a third pneumatic valve; a fluorinated liquid dirty liquid outlet of the first fluorinated liquid cleaning tank is connected with a dirty liquid inlet of a cleaning and drying system cleaning liquid recovery device; the inlet of the cleaning unit circulating filter assembly is connected with the cleaning liquid outlet of the cleaning tank of the cleaning unit, the outlet of the cleaning unit circulating filter assembly is connected with a first cleaning liquid inlet pneumatic valve of the cleaning tank of the cleaning unit and is connected with a second cleaning liquid inlet pneumatic valve of the cleaning tank; a dirty liquid outlet at the lower part of the cleaning tank of the first cleaning unit is connected with a dirty liquid inlet of a cleaning system cleaning liquid recovery device, and an inlet of a circulating filter assembly of the last cleaning unit is connected with a pneumatic valve at an outlet of the cleaning liquid of the cleaning tank of the cleaning unit and is connected with a hydrocarbon cleaning liquid storage tank through a fifth pneumatic valve; the outlet of the recovered liquid of the cleaning liquid recovery device of the cleaning system is connected with a hydrocarbon cleaning liquid storage tank.
In the above cleaning and drying apparatus, the cleaning unit includes a first heat exchanger for adjusting the temperature of the cleaning liquid, and the first heat exchanger is connected between the outlet of the circulating filter assembly and the first cleaning liquid inlet pneumatic valve of the cleaning tank of the cleaning unit; the first heat exchanger comprises a cooler and a heater which are connected in series, and the cooler is connected with the water chilling unit; the cleaning and drying tank comprises a water separator and a second heat exchanger for reducing the temperature of the fluoride liquid, and a condensing coil of a coil condenser is coiled close to the inner side wall of the condensing and drying tank; the inner side of the bottom plate of the condensation drying groove, which is close to the condensation drying groove, comprises a ring-shaped liquid collecting groove, an outlet at the bottom of the liquid collecting groove is connected with an inlet of a moisture separator through a sixth pneumatic valve, an outlet of fluorinated liquid of the moisture separator is connected with a second inlet of fluorinated liquid of a second fluorinated liquid cleaning groove through a seventh pneumatic valve, and is connected with a second inlet of the fluorinated liquid of a first fluorinated liquid cleaning groove through a ninth pneumatic valve; the second heat exchanger is connected between the outlet of the circulating filter assembly and the second pneumatic valve.
In the above cleaning and drying apparatus, the cleaning tank of the vacuum ultrasonic cleaning device includes a tank body, a top cover, an ultrasonic vibration plate, a bracket for placing a workpiece, a liquid level inductive switch, a vacuum degree sensor and a temperature sensor, wherein a signal output end of the liquid level inductive switch, a signal output end of the temperature sensor and a signal output end of the vacuum degree sensor of the cleaning tank are respectively connected to the control circuit; the first fluoride liquid cleaning tank comprises an ultrasonic vibrator box and a first heating device, and the ultrasonic vibrator box is arranged at the lower part of the first fluoride liquid cleaning tank; the first heating device is arranged in the first fluoride liquid cleaning tank; the second fluoride liquid cleaning tank comprises a second heating device, and the second heating device is arranged in the second fluoride liquid cleaning tank; the top of the second fluoride liquid cleaning tank is communicated with the top of the first fluoride liquid cleaning tank, and the communicated part is an overflow channel of the second fluoride liquid cleaning tank; the condensing coil comprises a water-cooling condensing coil and a deep cooling condensing coil; the deep cooling condenser coil is arranged above the water-cooling condensing coil, the deep cooling condenser coil is connected with the refrigerating unit, and the water-cooling condensing coil is connected with the water chilling unit.
In the above cleaning and drying apparatus, the cleaning liquid recovery device includes a distillation device and a condensation recovery device. The distillation device comprises a distillation kettle and a residual liquid cooler, and a residual liquid outlet at the bottom of the distillation kettle is connected with the residual liquid cooler; the condensation recovery device comprises a condenser, a gas-liquid separation tank, a second circulating pump and a hydraulic ejector, wherein the inlet of the condenser is connected with a steam outlet of the distillation kettle, the inlet of the second circulating pump is connected with an outlet at the lower part of the gas-liquid separation tank, and the outlet of the second circulating pump is connected with a working fluid inlet of the hydraulic ejector; the outlet of the condenser is connected with an injection fluid inlet of the hydraulic ejector, and the outlet of the hydraulic ejector is connected with the inlet at the upper part of the gas-liquid separation box; and a condenser pipe in the condenser is connected with a water chilling unit.
In the above cleaning and drying apparatus, the distillation still of the cleaning system includes the second heat exchanger, the steam outlet at the upper part of the distillation still of the cleaning system is connected to the condenser of the cleaning system through the second heat exchanger, and the dirty liquid outlet at the lower part of the cleaning tank of the first cleaning unit of the cleaning system is connected to the dirty liquid inlet at the lower part of the distillation still through the second heat exchanger; the condensation recovery device of the cleaning system comprises a vacuum pump, the cleaning tank comprises a vacuum breaking pneumatic valve and a vacuum pumping pneumatic valve, and the vacuum breaking pneumatic valve and the vacuum pumping pneumatic valve are respectively communicated with a steam outlet at the upper part of the cleaning tank; the inlet of the vacuum pump is connected with a vacuumizing pneumatic valve at the upper part of the cleaning tank, the outlet of the vacuum pump is connected with a gas-liquid separation tank, and the outlet of the gas-liquid separation tank of the cleaning system is connected with a hydrocarbon cleaning solution storage tank; the inlet of the distillation still of the cleaning and drying system is connected with the fluorinated liquid dirty liquid outlet of the first fluorinated liquid cleaning tank, and the outlet of the residual liquid cooler of the cleaning and drying system is connected with the hydrocarbon cleaning liquid storage tank. The outlet of the gas-liquid separation box of the cleaning and drying system is connected with the fluoridized liquid inlet of the fluoridized liquid cleaning tank.
In the above-mentioned washing and drying apparatus, the distillation apparatus includes a hot oil pump, a hot oil heating device and a hot oil tank, the heating pipe is installed at the lower part of the distillation still, the inlet of the hot oil pump is connected to the hot oil tank, the outlet of the hot oil pump is connected to the inlet of the hot oil heating device, the outlet of the hot oil heating device is connected to the inlet of the heating pipe, and the outlet of the heating pipe is connected to the hot oil tank.
The utility model discloses cleaning drying equipment and cleaning drying system remains the hydrocarbon washing liquid on the work piece in with the cleaning system cleaning process and dissolves in the liquid solvent of fluoridizing of the clean groove of liquid, and the liquid solvent of fluoridizing on the work piece is rapid draing again in the condensation drying groove, and workpiece surface does not have the residue, and it is effectual, efficient to clean dry.
[ description of the drawings ]
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural diagram of a hydrocarbon cleaning and drying apparatus according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a vacuum ultrasonic cleaning system according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a vacuum ultrasonic cleaning apparatus according to an embodiment of the present invention.
Fig. 4 is a schematic structural view of a first cleaning liquid recovery device according to embodiment 3 of the present invention.
Fig. 5 is a schematic structural diagram of a washing and drying system according to an embodiment of the present invention.
Fig. 6 is a schematic structural view of a washing and drying tank according to an embodiment of the present invention.
Fig. 7 is a schematic structural view of a second cleaning liquid recovery device according to an embodiment of the present invention.
[ detailed description of the invention ]
The structure of the hydrocarbon cleaning and drying device of the embodiment of the invention is shown in fig. 1 to 7;
comprises a vacuum ultrasonic cleaning system and a cleaning and drying system.
The embodiment of the utility model provides a vacuum ultrasonic cleaning system's structure is as shown in fig. 2 to fig. 4, including vacuum ultrasonic cleaning device and the washing liquid recovery system (device) of constituteing by distillation plant, condensation recovery unit. The hydrocarbon cleaning solution of this embodiment employs an alkane solvent.
As shown in fig. 2 and 3, the vacuum ultrasonic cleaning apparatus according to the embodiment of the present invention includes three cleaning units, an alkane cleaning solution storage tank 601, a vacuum pump 503, a water chiller 403, and a control circuit. Each cleaning unit comprises a vacuum ultrasonic cleaning tank, a circulating filter assembly and a heat exchanger, wherein the circulating filter assembly comprises a circulating pump and a filter which are connected in series.
Each vacuum ultrasonic cleaning tank comprises a tank body, a top cover, an ultrasonic vibration plate and a bracket for placing a workpiece.
The heat exchanger is used for adjusting the temperature of cleaning fluid in the vacuum ultrasonic cleaning tank, and comprises a cooler and a heater which are connected in series, wherein the cooler is connected with the water chilling unit 403, and the heater can be heated by oil or electricity.
The first circulating filter assembly comprises a circulating pump P11 and a filter Y11 connected in series with the circulating pump P11, wherein the inlet of the circulating pump P11 is connected with the cleaning liquid outlet at the lower part of the first vacuum ultrasonic cleaning tank 101, and the outlet of the filter Y11 is connected with the cleaning liquid inlet of the first vacuum ultrasonic cleaning tank 101 through a cooler C11, a heater R11 and a pneumatic valve A11.
The lower part of the vacuum ultrasonic cleaning tank 101 of the first cleaning unit is provided with a dirty liquid outlet, which is externally connected with a dirty liquid inlet of a cleaning liquid recovery system through an air-operated valve A14, so that the dirty cleaning liquid in the system is discharged, treated and recovered.
The first vacuum ultrasonic cleaning tank 101 comprises a liquid level inductive switch L11, a vacuum degree sensor G11 and a temperature sensor T11, wherein a signal output end of the liquid level inductive switch L11, a signal output end of the temperature sensor T11 and a signal output end of the vacuum degree sensor G11 are respectively connected with a control circuit.
The vacuum ultrasonic cleaning tank 101 of the first cleaning unit includes a vacuum breaking pneumatic valve a13 and an evacuating pneumatic valve a12 respectively communicating with an upper portion of the tank body, and the vacuum breaking pneumatic valve a13 and the evacuating pneumatic valve a12 respectively communicating with the upper portion of the tank body. The control end of the vacuum breaking pneumatic valve A13 and the control end of the vacuum pumping pneumatic valve A12 are respectively connected with a control circuit.
The second circulating filter assembly comprises a circulating pump P21 and a filter Y21 connected in series with the circulating pump P21, wherein the inlet of the circulating pump P21 is connected with the cleaning liquid outlet at the lower part of the second vacuum ultrasonic cleaning tank 102, and the outlet of the filter Y21 is connected with the cleaning liquid inlet of the second vacuum ultrasonic cleaning tank 102 through a cooler C21, a heater R21 and a pneumatic valve A22. The outlet of the filter Y21 is also connected to the cleaning liquid inlet of the first vacuum ultrasonic cleaning tank 101 via an air-operated valve a 21.
The second vacuum ultrasonic cleaning tank 102 comprises a liquid level inductive switch L21, a vacuum degree sensor G21 and a temperature sensor T21, wherein a signal output end of the liquid level inductive switch L21, a signal output end of the temperature sensor T21 and a signal output end of the vacuum degree sensor G21 are respectively connected with a control circuit.
The vacuum ultrasonic cleaning tank 102 of the second cleaning unit includes a vacuum breaking pneumatic valve a24 and an evacuating pneumatic valve a23 respectively communicating with the upper portion of the tank body, and the vacuum breaking pneumatic valve a24 and the evacuating pneumatic valve a23 respectively communicating with the upper portion of the tank body. The control end of the vacuum breaking pneumatic valve A24 and the control end of the vacuum pumping pneumatic valve A23 are respectively connected with a control circuit.
The third circulating filter assembly comprises a circulating pump P31 and a filter Y31 connected in series with the circulating pump P31, wherein the inlet of the circulating pump P31 is connected with the cleaning liquid outlet at the lower part of the third vacuum ultrasonic cleaning tank 103 through a pneumatic valve A32, and the outlet of the filter Y31 is connected with the cleaning liquid inlet of the third vacuum ultrasonic cleaning tank 103 through a cooler C31, a heater R31 and a pneumatic valve A33. The outlet of the filter Y31 is also connected to the cleaning liquid inlet of the second vacuum ultrasonic cleaning tank 102 via an air-operated valve a 31.
The inlet of the circulation pump P31 is also connected to the alkane wash storage tank 601 through pneumatic valve A36 for replenishing the three wash units with fresh, clean wash solution. The alkane wash storage tank 601 is provided with a level sensing switch L52.
The third vacuum ultrasonic cleaning tank 103 comprises a liquid level inductive switch L31, a vacuum degree sensor G31 and a temperature sensor T31, wherein a signal output end of the liquid level inductive switch L31, a signal output end of the temperature sensor T31 and a signal output end of the vacuum degree sensor G31 are respectively connected with the control circuit. The on-off of the pneumatic valves A21, A31, A32 and A36 are controlled by liquid level sensing switches on the corresponding vacuum ultrasonic cleaning tanks.
The vacuum ultrasonic cleaning tank 103 of the third cleaning unit includes a vacuum breaking pneumatic valve a35 and an evacuating pneumatic valve a34 respectively communicated with the upper portion of the tank body, and the vacuum breaking pneumatic valve a35 and the evacuating pneumatic valve a34 respectively communicated with the upper portion of the tank body. The control end of the vacuum breaking pneumatic valve A35 and the control end of the vacuum pumping pneumatic valve A34 are respectively connected with a control circuit.
The vacuumizing air-operated valve A12, the vacuumizing air-operated valve A23 and the vacuumizing air-operated valve A34 are respectively connected with a cleaning liquid recovery system through a vacuum pump 503 and are used for vacuumizing each groove body during cleaning operation.
The utility model discloses above embodiment work piece (like PCBA) gets into first, second and third vacuum ultrasonic cleaning tank in proper order, accomplishes the coarse cleaning, the fine cleaning to the work piece. The inlet of the circulating filter assembly is connected with the cleaning liquid outlet of the vacuum ultrasonic cleaning tank, the outlet of the circulating filter assembly is connected with the cleaning liquid inlet of the vacuum ultrasonic cleaning tank of the cleaning unit through a pneumatic valve, and the internal circulation of the cleaning liquid of the vacuum ultrasonic cleaning tank of the cleaning unit can be completed. The adjacent vacuum ultrasonic cleaning tanks are connected in series through the circulating filter assembly, a dirty liquid outlet arranged at the lower part of the vacuum ultrasonic cleaning tank of the first cleaning unit is connected with a dirty liquid inlet of the alkane cleaning liquid recovery system through a pneumatic valve, and an inlet of the circulating filter assembly of the third cleaning unit is connected with an alkane cleaning liquid storage box through a pneumatic valve, so that the external circulation of the cleaning liquid can be completed. The alkane cleaning liquid in the three vacuum ultrasonic cleaning tanks can be updated in time, the workpiece cleaning effect is good, and the load of the filter in the circulating filter assembly is light.
The structure of the cleaning liquid recovery system of the embodiment of the utility model is as shown in figure 2 and figure 4, and comprises a negative pressure distillation device and a condensation recovery device.
The condensation recovery device comprises a condenser 401, a gas-liquid separation tank 301, a vacuum pump 503, a circulating pump 501, a hydraulic ejector 5011 and a water chilling unit 403. The inlet of the circulation pump 501 is connected to the lower part of the gas-liquid separation tank 301, and the outlet is connected to the working fluid inlet of the hydraulic ejector 5011. The outlet of the condenser 401 is connected to the injection fluid inlet of the hydraulic ejector 5011, and the outlet of the hydraulic ejector 5011 is connected to the inlet of the upper part of the gas-liquid separation tank 301. The condenser tube in the condenser 401 is connected to a chiller 403.
The distillation apparatus comprises a still 201, a heat exchanger 607, a hot oil pump 605, a hot oil heating apparatus 606 and a hot oil tank 604. The vapor outlet at the upper part of the distillation kettle 201 is connected with the condenser 401 through a heat exchanger 607. The cleaning agent dirty liquid outlet of the hydrocarbon cleaning device is heated by a heat exchanger 607 and then is connected with the dirty liquid inlet at the lower part of the distillation still 201 through a pneumatic valve A14.
The inlet of the vacuum pump 503 is connected with the vacuumizing air-operated valve A12 of the first vacuum ultrasonic cleaning tank 101, the vacuumizing air-operated valve A23 of the second vacuum ultrasonic cleaning tank 102 and the vacuumizing air-operated valve A34 of the third vacuum ultrasonic cleaning tank 103, the vacuum pump 503 extracts the steam of the alkane solvent generated when the three vacuum ultrasonic cleaning tanks work, the outlet of the vacuum pump 503 is connected with the gas-liquid separation box 301, and the alkane solvent steam brought from the vacuumizing of the vacuum ultrasonic cleaning tanks can be recovered.
The lower part of the distillation still 201 is provided with a heating coil 2013, the inlet of a hot oil pump 605 is connected with a hot oil tank 604, the outlet is connected with the inlet of a hot oil heating device 606, the outlet of the hot oil heating device 606 is connected with the inlet of the heating coil 2013, and the inlet of a heating pipe is connected with the hot oil tank 604.
The waste liquid outlet at the bottom of the distillation still 201 is connected with a waste liquid cooler 2011 through a pneumatic waste liquid valve, and the waste liquid outlet of the waste liquid cooler 2011 is connected with a waste liquid tank 2012 through an electromagnetic valve. The heat exchanger 607 is connected with a waste liquid inlet at the lower part of the distillation still 201 through a second pneumatic valve, and the control end of the pneumatic waste liquid valve, the control end of the electromagnetic valve and the control ends of the two pneumatic valves are respectively connected with a control circuit.
The alkane cleaning solution storage tank 601 is connected with a cleaning solution inlet of the hydrocarbon cleaning device through a pneumatic valve A35, and is connected with an outlet of the gas-liquid separation tank 301 through a pneumatic valve A34, and the control ends of all the pneumatic valves are connected with a control circuit. By closing the pneumatic valve A34 and opening the pneumatic valve A35, the alkane purge storage tank 601 can provide clean hydrocarbon purge to the hydrocarbon purge unit.
The distillation kettle 201 is provided with a temperature sensor T52 and a vacuum degree sensor G52, and the signal output end of the temperature sensor T52 and the signal output end of the vacuum degree sensor G52 are respectively connected with a control circuit.
Cleaning agent dirty liquid discharged from the first vacuum ultrasonic cleaning tank 101 is preheated by a heat exchanger 607 and then enters the distillation still 201, the cleaning agent dirty liquid entering the distillation still 201 is subjected to heat transfer and heating by a heating coil 2013 at the lower part of the distillation still 201, and the interior of the distillation still 201 is vacuumized by a circulating filter pump 501 through a hydraulic ejector 5011 and a condenser 401. Steam formed by the alkane solvent in the distillation kettle 201 is precooled by the heat exchanger 607, flows through the first condenser 401 along the pipeline, is condensed into a gas-liquid mixture, then enters the gas-liquid separation tank 301 through the hydraulic ejector 5011, is condensed into clean liquid, and then flows into the alkane cleaning liquid storage tank 601 from the gas-liquid separation tank 301 for repeated recycling. After the distillation is completed, the oil stain and the granular dirt remained at the bottom of the distillation kettle 201 can be discharged into a waste liquid cooler 2011 (wrapped by a cooling coil) through a pneumatic valve, and then the cooled oil stain and the granular dirt are discharged into a waste liquid tank 2012 through an electromagnetic control valve, so that the primary purification treatment of the alkane cleaning solvent is completed.
The utility model discloses the vacuum ultrasonic cleaning device of above embodiment adopts washing liquid inner liquid circulation and extrinsic cycle dual mode, and the washing liquid in the vacuum ultrasonic cleaning groove can in time be updated, the timely recycle of foul solution that produces, and work piece cleaning performance and whole economic benefits are good.
The structure of the cleaning and drying system of the embodiment of the present invention is shown in fig. 1 to 3, and includes a cleaning and drying tank, a cleaning liquid recovery device, and a control circuit.
The embodiment of the present invention provides a structure of a cleaning and drying tank, as shown in fig. 5 and 6, comprising a tank body 100, a circulating filter assembly 1041, a plurality of pneumatic valves, a moisture separator 603, a fluorinated liquid storage tank 602 and a control circuit.
The tank body 100 includes a condensation drying tank 106 and two fluorination liquid cleaning tanks, the fluorination liquid cleaning tanks 104 and 105 are disposed below the condensation drying tank 106, the tops of the fluorination liquid cleaning tanks 104 and 105 are connected with the bottom plate of the condensation drying tank 106, and the upper ends of the fluorination liquid cleaning tanks are open and communicated with the condensation drying tank 106. The condensing and drying tank 106 is provided with a condenser and a top cover 1063 at the top. A communication passage is provided between the top of the second fluorinated liquid cleaning tank 105 and the top of the first fluorinated liquid cleaning tank 104, and the communication passage 1065 is an overflow passage of the second fluorinated liquid cleaning tank.
The circulation filtering assembly 1041 comprises a circulation pump P41 and a filter Y41 connected in series. The first fluoride solution washing tank 104 is an ultrasonic washing tank, and the second fluoride solution washing tank 105 is a bath washing tank. The inlet of the circulating filter assembly 1041 is connected to the outlet of the first fluorinated liquid washing tank 104 through the pneumatic valve A41, the outlet of the circulating filter assembly 1041 is connected to the first inlet of the first fluorinated liquid washing tank 104 through the pneumatic valve A42, and the outlet of the circulating filter assembly 1041 is connected to the first inlet of the second fluorinated liquid washing tank 105 through the pneumatic valve A43. The first fluorinated liquid cleaning tank 104 has a fluorinated liquid contaminated liquid outlet at the lower portion thereof, which is connected to the contaminated liquid inlet of the distillation apparatus via the pneumatic valve a 44. The heat exchanger C41 is connected between the outlet of the circulating filter assembly 1041 and the pneumatic valve a42 for reducing the temperature of the fluorinated liquid entering the first fluorinated liquid cleaning tank 104.
The condenser comprises two sets of condensing coils, a water-cooled condensing coil 1061 is arranged at the lower part of the condensation drying tank 106, and a cryogenic condenser coil 1062 is arranged at the upper part of the condensation drying tank 106. The condensing coil is coiled close to the inner side wall of the condensing and drying tank 106, the inlet and outlet of the water-cooling condensing coil 1061 are connected with a water-cooling unit (water-cooling system) 403, and the inlet and outlet of the deep-cooling condensing coil 1062 are connected with a refrigerating unit 404. The temperature of the refrigerator group 404 (freezing compressor group) is set to-30 ℃ at the minimum.
The bottom plate of the condensation drying tank 106 comprises a ring-shaped liquid collecting tank 1064 close to the inner side of the condensation drying tank 106, an outlet at the bottom of the liquid collecting tank 1064 is connected with an inlet of the moisture separator 603 through a pneumatic valve A46, a fluorinated liquid outlet of the moisture separator 603 is connected with a second inlet of the fluorinated liquid of the second fluorinated liquid cleaning tank 105 through a pneumatic valve A47, and is connected with a second inlet of the fluorinated liquid of the first fluorinated liquid cleaning tank 104 through a pneumatic valve A49.
The first fluorine solution cleaning tank 104 is provided with an ultrasonic vibration plate mounted on the side wall of the first fluorine solution cleaning tank 104 and a heating device 1042. The heating device 1042 is installed in the first fluorine solution cleaning tank 104. The second cleaning tank 105 includes a heating device 1051, and the heating device 1051 is attached to the lower portion of the second cleaning tank 105.
The first fluorinated liquid washing tank 104 is equipped with a liquid level switch L41 and a temperature sensor T41, the second fluorinated liquid washing tank 106 is equipped with a liquid level switch L51 and a temperature sensor T51, and the fluorinated liquid storage tank 602 is equipped with a liquid level switch L42. The signal output end of each liquid level switch, the signal output end of each temperature sensor and the control end of each pneumatic valve are respectively connected with the control circuit.
The embodiment of the utility model provides a wash drying system's washing liquid recovery unit's structure is as shown in fig. 5 and fig. 7, including negative pressure distillation plant, condensation recovery unit and control circuit.
The distillation device comprises a distillation kettle 202, a hot oil pump 605, a hot oil heating device 606 and a hot oil tank 604, wherein the lower part of the distillation kettle 202 is provided with a heating pipe 2022, the inlet of the hot oil pump 605 is connected with the hot oil tank 604, the outlet is connected with the inlet of the hot oil heating device 606, the outlet of the hot oil heating device 606 is connected with the inlet of the heating pipe 2022, and the outlet of the heating pipe 2022 is connected with the hot oil tank 604 to form hot oil circulation. The lower dirty liquid inlet of the distillation kettle 202 is connected with a dirty liquid outlet of 104 fluorinated liquid (mixed liquid of alkane and hydrofluoroether) of a first cleaning and drying tank of the hydrocarbon cleaning and drying device through a pneumatic valve A44, a fluorinated liquid steam outlet at the upper part of the distillation kettle 202 is connected with a condensation recovery device, an outlet of residual liquid at the bottom of the distillation kettle 202 is connected with a hydrocarbon cleaning liquid cooling tank 2021 through a pneumatic valve A52, and an outlet of the hydrocarbon cleaning liquid cooling tank 2021 is connected with a hydrocarbon cleaning liquid storage tank 601 through a pneumatic valve A51 and/or is connected with a liquid inlet of a hydrocarbon ultrasonic cleaning device through a pneumatic valve A34, so that the hydrocarbon ultrasonic cleaning device can be repeatedly used.
The hydrocarbon cleaning liquid cooling tank 2021 is provided with a liquid level switch LL71, and the hydrocarbon cleaning liquid storage tank 601 is provided with a liquid level switch L52.
The condensation recycling device comprises a condenser 402, a gas-liquid separation tank 302, a circulating pump 502, a hydraulic ejector 5021 and a water chilling unit 403. And a condensation pipe in the condenser 402 and a condensation pipe in the gas-liquid separation tank 302 are respectively connected with a water chilling unit. The inlet of the condenser 402 is connected with the outlet of the fluorinated liquid vapor at the upper part of the distillation still 202, the inlet of the circulating pump 502 is connected with the lower part of the gas-liquid separation tank 302, and the outlet is connected with the working fluid inlet of the hydraulic ejector 5021. An outlet of the condenser 402 is connected with a jet fluid inlet of the hydraulic ejector 5021, and an outlet of the hydraulic ejector 5021 is connected with an inlet at the upper part of the gas-liquid separation tank 302.
The fluorinated liquid outlet at the lower part of the gas-liquid separation tank 302 is connected to the fluorinated liquid inlet of the first cleaning/drying tank 104 via the pneumatic valve a45, and clean fluorinated liquid is supplied to the cleaning/drying tank.
The distillation kettle 202 is provided with a temperature sensor T71 and a vacuum degree sensor G71, and the signal output end of the temperature sensor T71 and the signal output end of the vacuum degree sensor G71 are respectively connected with a control circuit.
The signal output end of each liquid level switch and the control end of each pneumatic valve are respectively connected with a control circuit, and the control circuit adjusts the corresponding pneumatic valve according to the output signal of each liquid level switch.
The utility model discloses washing liquid recovery unit during operation, hydrocarbon washs drying equipment's the abluent drying tank exhaust cleaner foul solution (the mixed liquid of alkane and hydrofluoroether) and gets into stills 202, and heating coil 2022 heat transfer heating through stills 202 lower part, hydrofluoroether is heated the evaporation.
The circulating filtration pump 502 pulls a vacuum on the interior of the still pot 202 through the hydraulic injector 5021 and the condenser 402. The vapor formed by the hydrofluoroether solvent is discharged from the top of the distillation still 202, flows through the condenser 402 along the pipeline, is condensed into a gas-liquid mixture, then enters the gas-liquid separation tank 302 through the hydraulic injector 5021, is condensed into liquid, and then flows back to the cleaning and drying tank of the hydrocarbon cleaning and drying equipment from the gas-liquid separation tank 302 through the pneumatic valve A45 for repeated recycling. Alkane solvent left at the bottom of the distillation kettle 201 enters the hydrocarbon cleaning solution cooling tank 2021 through the pneumatic valve A52 for cooling, and is connected with the hydrocarbon cleaning solution storage tank 601 and/or a liquid inlet of the hydrocarbon ultrasonic cleaning device through the pneumatic valve A51 for the hydrocarbon ultrasonic cleaning device to be reused.
The cleaning and drying tank of the embodiment of the utility model is used for the rear process of the hydrocarbon cleaning and drying equipment, after the workpiece (such as PCBA) is roughly cleaned and finely cleaned by the hydrocarbon cleaning fluid (such as alkane cleaning fluid) through the vacuum ultrasonic cleaning device of the front equipment, when the fluorine-containing gas is transferred to the first fluorine solution cleaning tank (ultrasonic cleaning tank) 104 of the cleaning and drying tank of the embodiment of the present invention, the ultrasonic vibrating plate and the heating device 1042 in the tank body and the circulating filter assembly 1041 continuously operate, alkane solvent remained on the surface of the workpiece is quickly dissolved in fluorinated liquid (hydrofluoroether solvent) in the tank body, then, the work is transferred to a second fluoride solution cleaning tank (bath tank) 105, and immersed in a hydrofluoroether solvent in the tank body, the heating device 1051 in the tank body continuously operates to heat up, and no alkane solvent is left on the workpiece in the high-temperature hydrofluoroether solvent of all trace alkane solvents on the workpiece. Then, the workpiece is lifted to the hollow area of the condensation drying tank 106 above the fluoride liquid cleaning tank, and after leaving the liquid surface of the fluoride liquid cleaning tank, the hydrofluoroether solvent on the high-temperature workpiece is suddenly boiled and rapidly volatilized with a certain temperature, thereby completing the drying operation. When the volatilized hydrofluoroether vapor approaches the water-cooled condensing coil 1061 and the cryogenic condensing coil 1062 or contacts with the two sets of condensing coils, the hydrofluoroether vapor is quickly condensed into liquid, and the condensed hydrofluoroether liquid flows into the liquid collecting tank 1064.
And the pneumatic valve A46 is opened, the moisture condensed from the condensing coil in the liquid collecting tank 1064 and the hydrofluoroether liquid enter the moisture separator 603, the condensed moisture is discharged after the moisture separator 603 separates, and the hydrofluoroether liquid enters the first fluoride liquid cleaning tank 104/the second fluoride liquid cleaning tank 105 after being opened through the pneumatic valve A47/A49 for recycling.
During this time, the hydrofluoroether solvent containing the alkane solvent in the first fluorinated liquid cleaning tank 104 was introduced into the contaminated liquid inlet of the distillation apparatus through the opened air-operated valve a44, and the mixed solvent of the alkane and the hydrofluoroether was separated. In order to ensure the dynamic balance of the liquid level in the tank body, the circulating filter assembly 1041 is communicated with the first fluorinated liquid cleaning tank 104 through the pneumatic valves a41 and a42, communicated with the second fluorinated liquid cleaning tank 105 through the pneumatic valve a43, and communicated with the fluorinated liquid (hydrofluoroether solvent) reservoir tank 602 through the pneumatic valve a 0. When the circulation filtration module 1041 is connected to the first fluorinated liquid cleaning tank 104 through the pneumatic valves a41 and a42, the fluorinated liquid in the first fluorinated liquid cleaning tank 104 can be filtered and the temperature thereof can be adjusted; when the air-operated valves a41 and a43 are turned on, the circulation filtration module 1041 extracts the fluorinated liquid (hydrofluoroether solvent) from the first fluorinated liquid cleaning tank 104, and then delivers the fluorinated liquid to the second fluorinated liquid cleaning tank 105 after filtration, and the fluorinated liquid in the second fluorinated liquid cleaning tank 105 continuously overflows from the overflow channel 1065 and flows into the first fluorinated liquid cleaning tank 104, thereby realizing the circulation of the solvent between the tanks. In addition, each liquid level switch Li comprehensively controls the on-off of each pneumatic valve through a control circuit so as to realize the continuous separation and dynamic circulation of the solvent in the cleaning and drying tank.
The utility model discloses above embodiment cleans drying system's clean drying tank is dissolved in two hydrofluoroether solvents that fluoridize the clean groove of liquid with the alkane washing liquid that remains on the work piece in the anterior equipment cleaning process through ultrasonic vibration and heating, and the hydrofluoroether solvent on the work piece is rapid draing again in the condensation drying tank, and the work piece surface does not have any residue, and clean dry effectual, efficient.
The utility model discloses above embodiment cleaning drying system's washing liquid recovery unit can handle and retrieve the dirty liquid of fluorinated liquid that contains hydrocarbon solvent, and the fluorinated liquid of the hydrocarbon solvent of recovery can both used repeatedly, and economic benefits is good.
Claims (7)
1. A kind of hydrocarbon washes the drying equipment, including cleaning system, washing dry system and control circuit, characterized by that, the cleaning system includes the vacuum ultrasonic cleaning device, cleaning solution recovery unit and hydrocarbon cleaning solution storage tank, the vacuum ultrasonic cleaning device includes a plurality of cleaning units, the cleaning unit includes the cleaning tank and circulates the filter assembly, circulate the filter assembly including circulating pump and filter connected in series; the cleaning and drying system comprises a cleaning and drying tank and a cleaning liquid recovery device, wherein the cleaning and drying tank comprises a condensation drying tank, two fluoride liquid cleaning tanks, a fluoride liquid storage tank and the circulating filter assembly, the first fluoride liquid cleaning tank is an ultrasonic cleaning tank, and the second fluoride liquid cleaning tank is a bath tank; fluoridize the liquid and wash the groove and arrange the below at the condensation drying tank, fluoridize the top that the liquid washed the groove and be connected with the bottom plate of condensation drying tank, it is uncovered to fluoridize the upper end that the liquid washed the groove, with condensation drying tank intercommunication, the coil pipe condenser is equipped with in the condensation drying tank, and the top cap is equipped with at the top.
2. The hydrocarbon cleaning and drying apparatus according to claim 1, wherein the inlet of the circulation filter assembly of the cleaning and drying tank is connected to the fluorinated liquid outlet of the first fluorinated liquid cleaning tank through a first pneumatic valve, and is connected to the fluorinated liquid outlet of the fluorinated liquid storage tank through a tenth pneumatic valve; an outlet of the circulating filter assembly of the cleaning and drying tank is connected with a first inlet of the fluorinated liquid of the first fluorinated liquid cleaning tank through a second pneumatic valve, and is connected with a first inlet of the fluorinated liquid of the second fluorinated liquid cleaning tank through a third pneumatic valve; a fluorinated liquid dirty liquid outlet of the first fluorinated liquid cleaning tank is connected with a dirty liquid inlet of a cleaning and drying system cleaning liquid recovery device; the inlet of the cleaning unit circulating filter assembly is connected with the cleaning liquid outlet of the cleaning tank of the cleaning unit, the outlet of the cleaning unit circulating filter assembly is connected with a first cleaning liquid inlet pneumatic valve of the cleaning tank of the cleaning unit and is connected with a second cleaning liquid inlet pneumatic valve of the cleaning tank; a dirty liquid outlet at the lower part of the cleaning tank of the first cleaning unit is connected with a dirty liquid inlet of a cleaning system cleaning liquid recovery device, and an inlet of a circulating filter assembly of the last cleaning unit is connected with a pneumatic valve at an outlet of the cleaning liquid of the cleaning tank of the cleaning unit and is connected with a hydrocarbon cleaning liquid storage tank through a fifth pneumatic valve; the outlet of the recovered liquid of the cleaning liquid recovery device of the cleaning system is connected with a hydrocarbon cleaning liquid storage tank.
3. The hydrocarbon cleaning and drying device according to claim 2, wherein the cleaning unit comprises a first heat exchanger for adjusting the temperature of the cleaning liquid, the first heat exchanger is connected between the outlet of the circulating filter assembly and a first cleaning liquid inlet pneumatic valve of the cleaning tank of the cleaning unit; the first heat exchanger comprises a cooler and a heater which are connected in series, and the cooler is connected with the water chilling unit; the cleaning and drying tank comprises a water separator and a second heat exchanger for reducing the temperature of the fluoride liquid, and a condensing coil of a coil condenser is coiled close to the inner side wall of the condensing and drying tank; the inner side of the bottom plate of the condensation drying groove, which is close to the condensation drying groove, comprises a ring-shaped liquid collecting groove, an outlet at the bottom of the liquid collecting groove is connected with an inlet of a moisture separator through a sixth pneumatic valve, an outlet of fluorinated liquid of the moisture separator is connected with a second inlet of fluorinated liquid of a second fluorinated liquid cleaning groove through a seventh pneumatic valve, and is connected with a second inlet of the fluorinated liquid of a first fluorinated liquid cleaning groove through a ninth pneumatic valve; the second heat exchanger is connected between the outlet of the circulating filter assembly and the second pneumatic valve.
4. The hydrocarbon cleaning and drying equipment as claimed in claim 2, wherein the cleaning tank of the vacuum ultrasonic cleaning device comprises a tank body, a top cover, an ultrasonic vibrating plate, a bracket for placing a workpiece, a liquid level inductive switch, a vacuum degree sensor and a temperature sensor, wherein a signal output end of the liquid level inductive switch, a signal output end of the temperature sensor and a signal output end of the vacuum degree sensor of the cleaning tank are respectively connected with the control circuit; the first fluoride liquid cleaning tank comprises an ultrasonic vibrator box and a first heating device, and the ultrasonic vibrator box is arranged at the lower part of the first fluoride liquid cleaning tank; the first heating device is arranged in the first fluoride liquid cleaning tank; the second fluoride liquid cleaning tank comprises a second heating device, and the second heating device is arranged in the second fluoride liquid cleaning tank; the top of the second fluoride liquid cleaning tank is communicated with the top of the first fluoride liquid cleaning tank, and the communicated part is an overflow channel of the second fluoride liquid cleaning tank; the condensing coil comprises a water-cooling condensing coil and a deep cooling condensing coil; the deep cooling condenser coil is arranged above the water-cooling condensing coil, the deep cooling condenser coil is connected with the refrigerating unit, and the water-cooling condensing coil is connected with the water chilling unit.
5. The hydrocarbon cleaning and drying device as claimed in claim 2, wherein the cleaning solution recovery device comprises a distillation device and a condensation recovery device, the distillation device comprises a distillation still and a raffinate cooler, and a raffinate outlet at the bottom of the distillation still is connected with the raffinate cooler; the condensation recovery device comprises a condenser, a gas-liquid separation tank, a second circulating pump and a hydraulic ejector, wherein the inlet of the condenser is connected with a steam outlet of the distillation kettle, the inlet of the second circulating pump is connected with an outlet at the lower part of the gas-liquid separation tank, and the outlet of the second circulating pump is connected with a working fluid inlet of the hydraulic ejector; the outlet of the condenser is connected with an injection fluid inlet of the hydraulic ejector, and the outlet of the hydraulic ejector is connected with the inlet at the upper part of the gas-liquid separation box; and a condenser pipe in the condenser is connected with a water chilling unit.
6. The hydrocarbon cleaning and drying device as claimed in claim 5, wherein the distillation still of the cleaning system comprises a second heat exchanger, a steam outlet at the upper part of the distillation still of the cleaning system is connected with a condenser of the cleaning system through the second heat exchanger, and a dirty liquid outlet at the lower part of the cleaning tank of the first cleaning unit of the cleaning system is connected with a dirty liquid inlet at the lower part of the distillation still through the second heat exchanger; the condensation recovery device of the cleaning system comprises a vacuum pump, the cleaning tank comprises a vacuum breaking pneumatic valve and a vacuum pumping pneumatic valve, and the vacuum breaking pneumatic valve and the vacuum pumping pneumatic valve are respectively communicated with a steam outlet at the upper part of the cleaning tank; the inlet of the vacuum pump is connected with a vacuumizing pneumatic valve at the upper part of the cleaning tank, the outlet of the vacuum pump is connected with a gas-liquid separation tank, and the outlet of the gas-liquid separation tank of the cleaning system is connected with a hydrocarbon cleaning solution storage tank; the inlet of the distillation still of the cleaning and drying system is connected with the outlet of the fluorinated liquid dirty liquid of the first fluorinated liquid cleaning tank, the outlet of the residual liquid cooler of the cleaning and drying system is connected with the liquid storage tank of the hydrocarbon cleaning liquid, and the outlet of the gas-liquid separation tank of the cleaning and drying system is connected with the fluorinated liquid inlet of the fluorinated liquid cleaning tank.
7. The hydrocarbon cleaning and drying apparatus of claim 6, wherein the distillation device comprises a hot oil pump, a hot oil heating device and a hot oil tank, the lower portion of the distillation still is provided with the heating tube, an inlet of the hot oil pump is connected with the hot oil tank, an outlet of the hot oil pump is connected with an inlet of the hot oil heating device, an outlet of the hot oil heating device is connected with an inlet of the heating tube, and an outlet of the heating tube is connected with the hot oil tank.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021939200.0U CN214289704U (en) | 2020-09-07 | 2020-09-07 | Hydrocarbon washs drying equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021939200.0U CN214289704U (en) | 2020-09-07 | 2020-09-07 | Hydrocarbon washs drying equipment |
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| CN214289704U true CN214289704U (en) | 2021-09-28 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112139144A (en) * | 2020-09-07 | 2020-12-29 | 科伟达智能洗净技术(深圳)有限公司 | Hydrocarbon washs drying equipment |
| CN118162412A (en) * | 2024-05-07 | 2024-06-11 | 深圳市凯尔迪光电科技有限公司 | Semiconductor environment-friendly cleaning system and process |
-
2020
- 2020-09-07 CN CN202021939200.0U patent/CN214289704U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112139144A (en) * | 2020-09-07 | 2020-12-29 | 科伟达智能洗净技术(深圳)有限公司 | Hydrocarbon washs drying equipment |
| CN118162412A (en) * | 2024-05-07 | 2024-06-11 | 深圳市凯尔迪光电科技有限公司 | Semiconductor environment-friendly cleaning system and process |
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