CN213492050U - Cleaning liquid recovery system of hydrocarbon cleaning and drying equipment - Google Patents
Cleaning liquid recovery system of hydrocarbon cleaning and drying equipment Download PDFInfo
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- CN213492050U CN213492050U CN202021948939.8U CN202021948939U CN213492050U CN 213492050 U CN213492050 U CN 213492050U CN 202021948939 U CN202021948939 U CN 202021948939U CN 213492050 U CN213492050 U CN 213492050U
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Abstract
The utility model discloses a cleaning solution recovery system of hydrocarbon cleaning and drying equipment, which comprises a negative pressure distillation device, a condensation recovery device, a cleaning solution storage box and a control circuit; the inlet of the distillation device is connected with a waste liquid outlet of the hydrocarbon cleaning device, the inlet of the condensation recovery device is connected with a steam outlet of the distillation device, the outlet of the condensation recovery device is connected with a cleaning liquid storage box, and the cleaning liquid storage box is connected with a cleaning liquid inlet of the hydrocarbon cleaning device; the condensation recovery device comprises a condenser, a gas-liquid separation box and a vacuum pump, wherein the inlet of the vacuum pump is connected with a gas outlet at the upper part of the hydrocarbon cleaning device, and the outlet of the vacuum pump is connected with the gas-liquid separation box; the inlet of the gas-liquid separation tank is connected with the outlet of the condenser, the inlet of the condenser is connected with the steam outlet of the distillation device, and the outlet of the gas-liquid separation tank is connected with the cleaning liquid storage tank. The utility model discloses a distillation is retrieved and gas-liquid separation device of sharing is retrieved to gas-liquid, and system structure is simple, compact.
Description
[ technical field ]
The utility model relates to a hydrocarbon washs drying equipment, especially relates to a hydrocarbon washs drying equipment's washing liquid recovery system.
[ background art ]
In recent years, with the emphasis of the country on environmental protection and the continuous improvement of relevant environmental regulations, hydrocarbon cleaning agents gradually become an important industrial cleaning agent due to good environmental protection characteristics and cleaning capability. The cleaning agent after pollution is usually replaced by a new cleaning agent after being scrapped, and because the cleaning agent is expensive, the direct scrapping can cause resource waste, thereby greatly increasing the production cost of enterprises. And the hydrocarbon cleaning agent is a product or a chemical synthetic product which is subjected to high-grade refining treatment in the petrochemical industry, has volatility, and can pollute the environment after the polluted cleaning agent is discarded.
The utility model with the patent number of CN201822247238.0 discloses a cleaning agent circulating system, which is used for recovering and providing a cleaning agent for battery cleaning equipment, and comprises an old liquid tank, a new liquid tank, a gas-liquid recovery system and a distillation recovery system, wherein the inlet of the old liquid tank is connected with a waste liquid outlet of the battery cleaning equipment, the outlet of the new liquid tank is connected with the battery cleaning equipment, the inlet of the distillation recovery system is connected with the old liquid tank to obtain waste liquid in the old liquid tank, the waste liquid is heated into waste liquid steam and then condensed into a liquid cleaning agent and is conveyed to the new liquid tank; the gas-liquid recovery system comprises a first gas-liquid separation device and a second gas-liquid separation device, wherein the inlet of the first gas-liquid separation device is connected with a waste gas outlet of the battery cleaning equipment, the liquid outlet of the first gas-liquid separation device is connected with the fresh liquid tank, the inlet of the second gas-liquid separation device is connected with a gas outlet of the condensation recovery device, and the liquid outlet of the second gas-liquid separation device is connected with the fresh liquid tank. The utility model discloses a can drop into the use again for new liquid with the waste liquid treatment, energy-concerving and environment-protective. However, the utility model discloses a distillation recovery system and gas-liquid recovery system all need carry out gas-liquid separation respectively, and equipment structure is complicated.
[ summary of the invention ]
The to-be-solved technical problem of the utility model is to provide a comparatively simple structure's hydrocarbon washs drying equipment's washing liquid recovery system.
In order to solve the technical problem, the utility model adopts the technical scheme that the cleaning solution recovery system of the hydrocarbon cleaning and drying equipment comprises a hydrocarbon cleaning device, a negative pressure distillation device, a condensation recovery device, a cleaning solution storage box and a control circuit; the inlet of the distillation device is connected with a waste liquid outlet of the hydrocarbon cleaning device, the inlet of the condensation recovery device is connected with a steam outlet of the distillation device, the outlet of the condensation recovery device is connected with a cleaning liquid storage box, and the cleaning liquid storage box is connected with a cleaning liquid inlet of the hydrocarbon cleaning device; the condensation recovery device comprises a condenser, a gas-liquid separation box and a vacuum pump, wherein the inlet of the vacuum pump is connected with a gas outlet at the upper part of the hydrocarbon cleaning device, and the outlet of the vacuum pump is connected with the gas-liquid separation box; the inlet of the gas-liquid separation tank is connected with the outlet of the condenser, the inlet of the condenser is connected with the steam outlet of the distillation device, and the outlet of the gas-liquid separation tank is connected with the cleaning liquid storage tank.
In the cleaning liquid recovery system, the condensation recovery device comprises a circulating pump and a hydraulic ejector; the inlet of the circulating pump is connected with the lower part of the gas-liquid separation tank, and the outlet of the circulating pump is connected with the working fluid inlet of the hydraulic ejector; the outlet of the condenser is connected with the 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.
The cleaning fluid recovery system comprises a condenser and a condenser, wherein the condenser is connected with the water chilling unit.
In the cleaning solution recovery system, the distillation device comprises the distillation kettle and the heat exchanger, and a steam outlet at the upper part of the distillation kettle is connected with the condenser through the heat exchanger; the waste liquid outlet of the hydrocarbon cleaning device is connected with the waste liquid inlet at the lower part of the distillation still through the heat exchanger.
In the cleaning solution recovery system, the distillation device comprises the hot oil pump, the hot oil heating device and the hot oil tank, the heating pipe is arranged at the lower part of the distillation kettle, the inlet of the hot oil pump is connected with the hot oil tank, the outlet of the hot oil pump is connected with the inlet of the hot oil heating device, the outlet of the hot oil heating device is connected with the inlet of the heating pipe, and the outlet of the heating pipe is connected with the hot oil tank.
In the cleaning liquid recovery system, the distillation device comprises a waste liquid cooler and a waste liquid tank, a waste liquid outlet at the bottom of the distillation kettle is connected with the waste liquid cooler through a pneumatic waste liquid valve, and a waste liquid outlet of the waste liquid cooler is connected with the waste liquid tank through an electromagnetic valve; the heat exchanger is connected with a waste liquid inlet at the lower part of the distillation still 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 the control circuit.
In the cleaning solution recovery system, the cleaning solution storage tank is connected with the cleaning solution inlet of the hydrocarbon cleaning device and the outlet of the gas-liquid separation tank through the pneumatic valve, and the control end of the pneumatic valve is connected with the control circuit.
The cleaning liquid recovery system comprises a distillation kettle, a temperature sensor and a vacuum degree sensor, wherein the signal output end of the temperature sensor and the signal output end of the vacuum degree sensor are respectively connected with a control circuit.
The utility model discloses a gas-liquid separation device of washing liquid recovery system's distillation recovery and gas-liquid recovery sharing, system simple structure, compactness.
[ 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 cleaning liquid recovery system of a hydrocarbon cleaning and drying device according to an embodiment of the present invention.
[ detailed description of the invention ]
The embodiment of the utility model provides a hydrocarbon washs drying equipment's washing liquid recovery system's structure is shown in figure 1, including negative pressure distillation plant, condensation recovery unit, alkane washing liquid storage tank 601 and control circuit. The hydrocarbon cleaning agent used in this example was an alkane solvent.
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 gas outlet at the upper part of the hydrocarbon cleaning device, and the outlet is connected with the gas-liquid separation box 301, so that the hydrocarbon steam brought by the vacuum pumping of the hydrocarbon cleaning device 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 alkane wash storage tank 601 is equipped with a level sensor L52.
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 by the hydrocarbon cleaning device enters the distillation kettle 201, and after the cleaning agent dirty liquid is subjected to heat transfer and heating through the heating coil 2013 at the lower part of the distillation kettle 201, alkane solvent is heated and evaporated. Circulating filter pump 501 evacuates the interior of still 201 through hydraulic ejector 5011 and condenser 401. Vapor formed by the alkane solvent 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 liquid, and then flows into the alkane cleaning solution 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.
Claims (8)
1. A cleaning solution recovery system of hydrocarbon cleaning and drying equipment comprises a hydrocarbon cleaning device, a negative pressure distillation device, a condensation recovery device, a cleaning solution storage box and a control circuit; the inlet of the distillation device is connected with a dirty liquid outlet of the hydrocarbon cleaning device, the inlet of the condensation recovery device is connected with a steam outlet of the distillation device, the outlet of the condensation recovery device is connected with a cleaning liquid storage box, and the cleaning liquid storage box is connected with a cleaning liquid inlet of the hydrocarbon cleaning device; the device is characterized in that the condensation recovery device comprises a condenser, a gas-liquid separation box and a vacuum pump, wherein the inlet of the vacuum pump is connected with a gas outlet at the upper part of the hydrocarbon cleaning device, and the outlet of the vacuum pump is connected with the gas-liquid separation box; the inlet of the gas-liquid separation tank is connected with the outlet of the condenser, the inlet of the condenser is connected with the steam outlet of the distillation device, and the outlet of the gas-liquid separation tank is connected with the cleaning liquid storage tank.
2. The cleaning solution recovery system of claim 1, wherein the condensation recovery device comprises a circulation pump and a hydraulic ejector; the inlet of the circulating pump is connected with the lower part of the gas-liquid separation tank, and the outlet of the circulating pump is connected with the working fluid inlet of the hydraulic ejector; the outlet of the condenser is connected with the 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.
3. The cleaning solution recovery system of claim 1, wherein the condensation recovery device comprises a chiller, and the condenser tube of the condenser is connected to the chiller.
4. The cleaning solution recovery system according to claim 1, wherein the distillation device comprises a distillation kettle and a heat exchanger, and a steam outlet at the upper part of the distillation kettle is connected with a condenser through the heat exchanger; the dirty liquid outlet of the hydrocarbon cleaning device is connected with the dirty liquid inlet at the lower part of the distillation still through the heat exchanger.
5. The cleaning solution recycling system of claim 4, wherein the distillation device comprises 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 with the hot oil tank, the outlet of the hot oil pump is connected with the inlet of the hot oil heating device, the outlet of the hot oil heating device is connected with the inlet of the heating pipe, and the outlet of the heating pipe is connected with the hot oil tank.
6. The cleaning solution recovery system according to claim 4, wherein the distillation apparatus comprises a waste liquid cooler and a waste liquid tank, the waste liquid outlet at the bottom of the distillation still is connected with the waste liquid cooler through a pneumatic waste liquid valve, and the waste liquid outlet of the waste liquid cooler is connected with the waste liquid tank through an electromagnetic valve; the heat exchanger is connected with a waste liquid inlet at the lower part of the distillation still 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 the control circuit.
7. The wash liquid recovery system of claim 1, wherein the wash liquid storage tank is connected to the wash liquid inlet of the hydrocarbon wash apparatus and the outlet of the gas-liquid separation tank by a pneumatic valve, the control end of the pneumatic valve being connected to the control circuit.
8. The cleaning solution recovery system according to claim 4, wherein the distillation kettle comprises a temperature sensor and a vacuum degree sensor, and a signal output end of the temperature sensor and a signal output end of the vacuum degree sensor are respectively connected with the control circuit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021948939.8U CN213492050U (en) | 2020-09-07 | 2020-09-07 | Cleaning liquid recovery system of hydrocarbon cleaning and drying equipment |
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| CN202021948939.8U CN213492050U (en) | 2020-09-07 | 2020-09-07 | Cleaning liquid recovery system of hydrocarbon cleaning and drying equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114470825A (en) * | 2022-02-10 | 2022-05-13 | 深圳市科伟达超声波设备有限公司 | Cleaning agent distillation retort and cleaning agent recovery unit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114470825A (en) * | 2022-02-10 | 2022-05-13 | 深圳市科伟达超声波设备有限公司 | Cleaning agent distillation retort and cleaning agent recovery unit |
| CN114470825B (en) * | 2022-02-10 | 2022-12-02 | 深圳市科伟达超声波设备有限公司 | Cleaning agent distillation retort and cleaning agent recovery unit |
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