WO2014044179A1 - 溶剂再生用汽化箱、干洗机及溶剂再生方法 - Google Patents

溶剂再生用汽化箱、干洗机及溶剂再生方法 Download PDF

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Publication number
WO2014044179A1
WO2014044179A1 PCT/CN2013/083722 CN2013083722W WO2014044179A1 WO 2014044179 A1 WO2014044179 A1 WO 2014044179A1 CN 2013083722 W CN2013083722 W CN 2013083722W WO 2014044179 A1 WO2014044179 A1 WO 2014044179A1
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WO
WIPO (PCT)
Prior art keywords
solvent
liquid
tank
regeneration
wall
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2013/083722
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English (en)
French (fr)
Inventor
何政保
武凤玲
李以民
劳春峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Haier Group Corp
Haier Group Technology Research and Development Center
Original Assignee
Haier Group Corp
Haier Group Technology Research and Development Center
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Filing date
Publication date
Application filed by Haier Group Corp, Haier Group Technology Research and Development Center filed Critical Haier Group Corp
Publication of WO2014044179A1 publication Critical patent/WO2014044179A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F43/00—Dry-cleaning apparatus or methods using volatile solvents
    • D06F43/08—Associated apparatus for handling and recovering the solvents
    • D06F43/081—Reclaiming or recovering the solvent from a mixture of solvent and contaminants, e.g. by distilling
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
    • D06L1/00—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods
    • D06L1/02—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods using organic solvents
    • D06L1/10—Regeneration of used chemical baths
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
    • B01D5/0057—Condensation of vapours; Recovering volatile solvents by condensation in combination with other processes
    • B01D5/006—Condensation of vapours; Recovering volatile solvents by condensation in combination with other processes with evaporation or distillation
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F43/00—Dry-cleaning apparatus or methods using volatile solvents
    • D06F43/007—Dry cleaning methods
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F43/00—Dry-cleaning apparatus or methods using volatile solvents
    • D06F43/02—Dry-cleaning apparatus or methods using volatile solvents having one rotary cleaning receptacle only
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F43/00—Dry-cleaning apparatus or methods using volatile solvents
    • D06F43/08—Associated apparatus for handling and recovering the solvents

Definitions

  • the present invention relates to the field of laundry solvent regeneration, and more particularly to a vaporization tank for solvent regeneration, a dry washing machine, and a solvent regeneration method.
  • a main object of the present invention is to provide a solvent regeneration apparatus which is low in cost and simple in structure. - - Vaporization tank.
  • Another main object of the present invention is to provide a low-cost, structurally-integrated dry cleaning machine using the above-described solvent regeneration vaporization tank to achieve high solvent regeneration and stain separation efficiency.
  • Another main object of the present invention is to provide a solvent regeneration method using the above-described dry cleaning machine to achieve higher solvent regeneration and stain separation efficiency.
  • the present invention provides a vaporization tank for solvent regeneration, which comprises an inner wall and an outer wall.
  • the inner wall is made of a heat conductive material, and a heating device is arranged between the inner wall and the outer wall, and the heating device is used for heating to generate heat and conduct heat.
  • a vapor inlet tank for solvent regeneration is formed with an inlet port and an outlet port, and an injection device is connected to the inlet port.
  • the present invention also provides a dry cleaning machine, comprising the above-mentioned solvent regeneration vaporization tank, further comprising:
  • a liquid storage tank communicating with the drum through a circulation pipe for storing the dirt liquid mixed with the solvent and the stain flowing out from the drum, and supplying the regeneration solvent to the drum;
  • the liquid storage tank is in communication with an injection device for spraying the dirty liquid in the liquid storage tank onto the inner wall to form a vaporized solvent;
  • the condensing tank is connected to an outlet of the vaporization tank for solvent regeneration for absorbing the vaporized solvent and condensing it into a regenerating solvent, and the condensing tank is provided with an outlet ⁇ for discharging the regenerated solvent to the reservoir.
  • the present invention also provides a solvent regeneration method for applying solvent regeneration and stain separation using the above dry cleaning machine, including:
  • a draining step discharging the dirty liquid mixed with the stain and the solvent in the drum into the liquid storage tank;
  • Heating step heating the heating device of the vaporization tank for solvent regeneration
  • the spraying step the spraying device sprays the dirty liquid in the liquid storage tank onto the inner wall to form a vaporized solvent, and the stain in the dirty liquid is deposited on the inner wall of the vaporization tank for solvent regeneration;
  • the vaporized solvent enters the condensing tank through the gas outlet of the solvent regeneration vaporization tank, and the condensing tank condenses the vaporized solvent into a liquid regenerating solvent, and discharges the regenerated solvent through the liquid outlet to the liquid storage tank.
  • the vaporization tank for solvent regeneration of the present invention only needs to open the inlet port and the outlet port, the inner wall and the outer wall
  • a heating device is arranged to enable the inner wall to reach a high temperature, and a vaporized solvent can be formed by spraying the sewage device to the inner wall by connecting the injection device at the liquid inlet, and the vaporized solvent can be regenerated into the external device through the gas outlet to achieve solvent regeneration, Complex and expensive vaporization equipment is required, which is low in cost and simple in structure.
  • the dry cleaning machine of the present invention applies the vaporization tank for solvent regeneration, realizes communication between the vaporization tank for solvent regeneration and the liquid storage tank through the injection device, and connects the gas outlet port and the condensation tank to condense the vaporization solvent into a liquid state and return to the liquid storage tank.
  • the utility model has the advantages of simple structure and low cost, and at the same time, since the sewage liquid is sprayed to the inner wall of the solvent regeneration vaporization tank by the spraying device, the proportion and speed of solvent vaporization can be improved, and the solvent regeneration and the stain separation efficiency are high.
  • the solvent regeneration method of the present invention is applied to the above-mentioned dry cleaning machine, the work flow is simple, the cost is low, and the solvent regeneration and the stain separation efficiency are also high.
  • Fig. 1 is a schematic view showing the structure of an embodiment of a vaporization tank for solvent regeneration according to the present invention.
  • FIG. 2 is a schematic view showing the structure of an embodiment of the dry cleaning machine of the present invention.
  • Figure 3 is a schematic view showing the structure of another embodiment of the dry cleaning machine of the present invention.
  • FIG. 4 is a flow chart of one embodiment of a solvent regeneration method of the present invention.
  • Figure 5 is a flow chart showing another embodiment of the solvent regeneration method of the present invention.
  • the invention provides a vaporization tank for solvent regeneration, which comprises an inner wall and an outer wall.
  • the inner wall material is a heat conductive material
  • a heating device is arranged between the inner wall and the outer wall, and the heating device is used for heating to generate heat and conduct heat to the inner wall, and the solvent is regenerated.
  • An inlet port and an outlet port are formed on the vaporization tank, and the injection device is connected to the inlet port.
  • the spray device is detachably mounted at the liquid inlet.
  • the ejecting means is used to spray the mixed solvent and stain-laden liquid generated by the washing onto the inner wall to form a vaporized solvent.
  • the material of the inner wall is stainless steel, and the material of the outer wall is an insulating material.
  • the heating device comprises an electric heating wire and a heat conductive material, and the heat conductive material is in contact with the inner wall, and the electric heating wire heats the heat conductive material when the electric wire is energized.
  • the thermally conductive substance is a liquid oil.
  • the vaporization tank for solvent regeneration of the present invention only needs to open a liquid inlet and an air outlet, and a heating device is arranged between the inner wall and the outer wall to enable the inner wall to reach a high temperature, and the sewage is sprayed onto the inner wall by connecting the injection device at the liquid inlet.
  • the vaporized solvent can be formed, and the vaporized solvent can be regenerated into the external device through the gas outlet, eliminating complicated and expensive vaporization equipment, low cost and simple structure.
  • an embodiment of a solvent regeneration vaporization tank 100 of the present invention includes an inner wall 110 and an outer wall 120.
  • the inner wall 110 is preferably stainless steel.
  • the stainless steel has good thermal conductivity and is less likely to rust when exposed to water. Therefore, stainless steel is used as the inner wall 110 in the present embodiment to have high thermal conductivity and is less likely to rust.
  • the inner wall 110 in this embodiment may also be other heat conductive materials such as aluminum.
  • the outer wall 120 is an insulating heat insulating layer, and the material thereof may be, for example, a polyurethane foam insulating heat insulating material or the like.
  • a heating device (illustrated in the shaded portion in the figure) is provided between the inner wall and the outer wall, and the heating device may include an electric heating wire and a liquid oil.
  • the electric heating wire can be connected to the external power supply device through a wire extending from the solvent regeneration vaporization tank 10. When the electric current is applied, the electric heating wire can heat the liquid oil, and the liquid oil contacts the inner wall 110 to conduct heat to the inner wall 110 to The temperature of the inner wall 110 rises to a temperature at which the solvent can be sufficiently vaporized.
  • the liquid oil has a lower boiling point, so that the heat can be generated more quickly and the inner wall 110 is heated to a high temperature.
  • the heating device may further include a heating jacket, and the heating wire and the liquid oil may be disposed in the heating jacket to improve safety and protect the inner and outer walls.
  • the solvent regeneration vaporization tank 100 is provided with a liquid inlet 130 that communicates inside and outside the tank, and an air outlet 140 that communicates the inside and the outside of the tank, and the injection port 150 is connected to the inlet 130.
  • the spraying device 150 is for spraying the external dirty liquid onto the inner wall 110, and the solvent in the dirty liquid becomes a vaporizing solvent due to the high temperature of the inner wall 110.
  • the vaporizing solvent can be collected and treated by an external device via the gas outlet 140 of the solvent regeneration vaporization tank for the purpose of solvent regeneration.
  • the spray device 150 is detachably mounted at the liquid inlet 130 for easy replacement.
  • the embodiment of the present invention further provides a dry cleaning machine, and an embodiment thereof includes the above-mentioned vaporization tank for solvent regeneration, and further includes:
  • a liquid storage tank communicating with the drum through a circulation pipe for storing the dirt liquid mixed with the solvent and the stain flowing out from the drum, and supplying the regeneration solvent to the drum;
  • the liquid storage tank is in communication with an injection device for spraying the dirty liquid in the liquid storage tank onto the inner wall to form a vaporized solvent;
  • the condensing tank is connected to an outlet of the vaporization tank for solvent regeneration for absorbing the vaporized solvent and condensing it into a regenerating solvent, and the condensing tank is provided with an outlet ⁇ for discharging the regenerated solvent to the reservoir.
  • the liquid storage tank comprises a sewage liquid tank for storing the dirty liquid and a solvent tank for storing the regeneration solvent, the liquid outlet of the condensation box is connected with the solvent tank, and the solvent tank is connected with the drum to provide the regeneration solvent for washing, and the sewage The tank is in communication with the spray device.
  • a bottom of the vaporization tank for solvent regeneration is provided with a liquid outlet connected to the sewage tank.
  • the condensing tank is provided with a suction device communicating with the interior thereof for regenerating the solvent - - Take up the steam generated in the vaporization tank and suck it into the condenser.
  • the spraying device comprises a liquid pipe, and one end of the liquid pipe is provided with a spray head, and the spray head is arranged at a liquid inlet of the vaporization tank for solvent regeneration, and a liquid pump is arranged on the liquid pipe, and the sewage liquid is pumped to the spray head and is The spray forms a hazy liquid.
  • a liquid level sensor or a turbidity sensor is disposed in the liquid storage tank.
  • the dry cleaning machine applies the vaporization tank for solvent regeneration, realizes communication between the vaporization tank for solvent regeneration and the liquid storage tank by the injection device, and connects the gas outlet port and the condensation tank to condense the vaporization solvent into a liquid state and then return it.
  • the liquid storage tank has a simple structure and low cost.
  • the proportion and speed of solvent vaporization can be improved, and the solvent regeneration and the stain separation efficiency are high.
  • an embodiment of the dry cleaning machine 200 of the present invention includes a solvent regeneration vaporization tank 210 including an inner wall, an outer wall, a liquid inlet, an air outlet, and an injection device 215 for vaporization of solvent regeneration.
  • the structure of the tank 210 is the same as that of the above-described solvent regeneration vaporization tank 100, and will not be described herein.
  • the dry cleaning machine 200 also includes a drum 220, a reservoir 230, and a condensing tank 240.
  • the drum 220 mainly removes stains of the laundry by movement, which communicates with the reservoir 230 through a circulation duct.
  • the circulation pipe includes an inlet pipe 251 and an outlet pipe 252.
  • the inlet pipe 251 may be provided with an inlet pump 2510.
  • the washing is started, the liquid in the reservoir 230 is drawn into the drum 220 for cleaning. Clothing in the drum. After the laundry washing is completed, the dirt mixed with the stain and the solvent in the drum 220 flows into the reservoir 230 through the outlet pipe 252.
  • the reservoir 230 is in communication with the injection device 215.
  • the spraying device 215 includes a liquid pipe 2150.
  • One end of the liquid pipe 2150 is provided with a spray head, and the spray head is disposed at the liquid inlet of the solvent regeneration vaporization tank 200, and the other end of the liquid pipe 2150 is connected to the liquid storage tank 230.
  • the liquid pipe 2150 is provided with a liquid pump 2154 for pumping the dirty liquid in the liquid storage tank 230 to the spray head for spraying.
  • the liquid pump 2154 can pump the dirty liquid flowing from the drum 220 into the liquid storage tank 230 through the liquid pipe 2150 to the spray head, and the dirty liquid is sprayed onto the inner wall 210 of the solvent regeneration vaporization tank 200 through the spray head, since the inner wall 210 is in the solvent The high temperature state of vaporization, therefore, the solvent in the dirty liquid is vaporized into steam, and the stain is deposited on the inner wall 210, achieving stain separation and solvent purification.
  • the spray orifice of the spray head can be designed to be very small so that the sprayed liquid is misted, which can increase the gasification rate of the solvent.
  • the condensation tank 240 communicates with the outlet of the solvent regeneration vaporization tank 200 through the gas pipe 260.
  • the condensing tank 240 is for collecting the vaporization solvent flowing out from the gas outlet of the solvent regeneration vaporization tank 210 and condensing it into a liquid solvent.
  • a low temperature condensing coil is provided in the condensing tank 240 for converting the high temperature gas into a liquid.
  • the condensing tank 240 may also liquefy the gaseous solvent in other manners.
  • the condensing tank 240 is provided with a suction device 280 communicating with the inside thereof, and the suction device 280 is for sucking the steam generated in the solvent regeneration vaporization tank 210 into the condensing tank 240.
  • the suction device allows steam to flow quickly into the condensing tank 240, improving the efficiency of solvent regeneration.
  • Suction device 280 can be a vacuum pump.
  • the condensing tank 240 is provided with a liquid outlet 242 through which the liquid solvent in the condensing tank 240 is re-introduced into the liquid storage tank 230, and the solvent regeneration and stain separation can be achieved through multiple cycles.
  • a turbidity sensor may be disposed in the liquid storage tank 230, connected to the controller of the dry cleaning machine 200, for detecting the turbidity value of the dirty liquid in the liquid storage tank 230, for example, when the dirty liquid turbidity value is reduced to When the value is set, the controller controls the pump 2154 to stop the suction of the dirty liquid, so that the injection device 215 stops spraying the dirty liquid.
  • the regenerated liquid solvent can enter the drum 220 through the liquid inlet pipe 251 of the circulation pipe at the beginning of the next washing to wash the laundry.
  • the present invention also provides a dry cleaning machine.
  • the dry cleaning machine of Fig. 3 includes a solvent regeneration vaporization tank 410, a drum 420, a liquid storage tank, and a condensing unit 440.
  • the drum 420 is connected to the reservoir through a circulation duct. After the washing of the laundry is completed, the dirty liquid in the drum 420 flows into the liquid storage tank through the liquid discharge pipe 452 of the circulation pipe.
  • the solvent regeneration vaporization tank 410 includes a liquid inlet port and an air outlet port, and an injection device 215 is connected to the liquid inlet of the solvent regeneration vaporization tank 410.
  • the reservoir communicates with the injection device 415 through a pipe to thereby communicate with the inlet of the solvent regeneration vaporization tank 415.
  • a suction pump 431 is provided on the pipe.
  • the condensing device 440 is connected to the gas outlet of the solvent regeneration vaporization tank 410 through the gas pipe 460.
  • the condensing device 440 is provided with a liquid outlet 442, and the condensing device 440 is provided with an air suction device communicating with the inside.
  • the dry cleaning machine of FIG. 4 is similar in structure and operation to the dry cleaning machine 200 of FIG. 2, except that the liquid storage tank of the dry cleaning machine of FIG. 4 includes two parts, a solvent tank 480 and a dirty liquid tank 430, and the condensing unit 440 is out.
  • the liquid port 442 is in communication with the solvent tank 480.
  • the liquid solvent generated in the condensing device 440 can flow into the solvent tank 480 through the liquid outlet 442 to recover the solvent.
  • Solvent tank 480 pass -
  • the inlet pipe 451 of the circulation pipe communicates with the drum 420, and the drum 420 is supplied with a regenerating solvent for washing.
  • the solvent recovery vaporization tank 410 is further provided with a liquid outlet 417 communicating with the dirty liquid tank 430.
  • a liquid outlet 417 communicating with the dirty liquid tank 430.
  • a liquid level sensor 432 can be disposed in the dirty liquid tank 430 for detecting the liquid level value in the dirty liquid tank 430, and the liquid level sensor 430 is connected to the controller of the dry cleaning machine, and the liquid level in the dirty liquid tank 430 When the value is reduced to the preset value, the controller of the dry cleaning machine controls the liquid pump 431 disposed between the injection device 415 and the dirty liquid tank 430 to stop pumping, so that the spray device 415 stops spraying the dirty liquid.
  • Embodiments of the present invention also provide a solvent regeneration method for performing solvent regeneration and stain separation using the above-described dry cleaning machine, the method comprising:
  • Discharging step discharging the dirty liquid mixed with the stain and the solvent into the liquid storage tank; heating step: heating the heating device of the vaporization tank for solvent regeneration;
  • the spraying step the spraying device sprays the dirty liquid in the liquid storage tank onto the inner wall to form a vaporized solvent, and the stain in the dirty liquid is deposited on the inner wall of the vaporization tank for solvent regeneration;
  • the vaporized solvent enters the condensing tank through the gas outlet of the vaporization tank for solvent regeneration, and the condensing tank condenses the vaporized solvent into a liquid regenerating solvent, and discharges the regenerated solvent through the liquid outlet to the liquid storage tank.
  • the condensing tank discharges the regenerated solvent through its outlet port to the solvent tank.
  • the solvent which is not vaporized in the spraying step and the stain which is not deposited on the inner wall of the solvent regeneration vaporization tank flow into the sewage tank through the liquid outlet of the vaporization tank for solvent regeneration.
  • the heating step after stopping the heating further comprises: spraying the dirty liquid to the solvent regeneration vaporization tank by the spraying device to clean the stain deposited on the inner wall of the solvent regeneration vaporization tank.
  • the dirty liquid sprayed by the spraying device is a misty liquid.
  • the heating device of the vaporization tank for solvent regeneration is heated to heat the inner wall to a preset temperature, and when the temperature of the inner wall reaches a preset temperature, the spraying device sprays the dirty liquid in the liquid storage tank onto the inner wall.
  • the heating means, the spraying step and the recovering step are cyclically executed, and the dirty liquid sprayed in the spraying step is mixed with the solvent which is not vaporized in the previous spraying step and the stain which is not deposited on the inner wall of the solvent recycling vaporizing tank .
  • the method further includes: detecting a liquid level value or a turbidity value of the dirty liquid, and stopping the performing the spraying step when the liquid level value or the turbidity value of the dirty liquid is reduced to a preset liquid level value or a preset turbidity.
  • the solvent regeneration method of the embodiment of the present invention is applied to the above-described dry cleaning machine, and has high solvent regeneration and stain separation efficiency.
  • an embodiment of the solvent regeneration method of the present invention can be applied to solvent regeneration and stain separation using the dry cleaning machine 200 of Fig. 2, including the following steps:
  • Step S310 The dirty liquid in the drum 220 is discharged to the liquid storage tank 230 through the liquid discharge pipe 252.
  • Step S320 The heating device of the vaporization tank 210 for solvent regeneration is heated.
  • step S320 the inner wall of the solvent regeneration vaporization tank 210 may be heated to a preset temperature, which is a temperature at which the liquid solvent can be sufficiently vaporized.
  • a preset temperature which is a temperature at which the liquid solvent can be sufficiently vaporized.
  • Step S330 The spraying device 215 sprays the dirty liquid in the liquid storage tank 230 onto the inner wall to form a vaporized solvent, and the stain in the dirty liquid is deposited on the inner wall.
  • the heating device can be turned on by the controller of the dry cleaning machine to heat it, and the controller can determine whether the inner wall reaches the preset temperature through a timing manner, or can determine whether the pre-prevention is reached by a feedback signal of a temperature sensor disposed around the inner wall. The temperature is set. When it is judged that the preset temperature is reached, the controller can open the liquid pump 2154, and the liquid pump 2154 draws the dirty liquid in the liquid storage tank 230 to the spray head for spraying.
  • Step S340 The vaporized solvent is passed through the gas outlet 214 3 ⁇ 4X of the solvent regeneration vaporization tank 210.
  • the condensation tank 240 condenses the vaporized solvent into a liquid solvent, and discharges the liquid solvent through the liquid outlet 242 to the storage tank. In the tank 230.
  • steps S320, S330 and S340 can be cyclically performed until the solvent in the dirty liquid is sufficiently recovered. Therefore, when step S330 is performed again, the sprayed dirty liquid is mixed with the solvent which is not vaporized in the previous spraying step and the stain which is not deposited on the inner wall of the solvent regeneration vaporizing tank 210.
  • the liquid level value or the turbidity value of the dirty liquid may be detected by a sensor in the liquid storage tank 230.
  • the controller may turn off the liquid pump 2154.
  • the injection device 215 stops spraying the dirty liquid.
  • an embodiment of the solvent regeneration method of the present invention can apply the dry cleaning in FIG. - - Machine for solvent regeneration and stain separation, including the following steps:
  • Step S510 The dirty liquid in the drum 420 is discharged into the dirty liquid tank 430 through the liquid discharge pipe 452.
  • Step S520 The heating device for the solvent regeneration vaporization tank 415 is heated.
  • step S520 the inner wall of the solvent regeneration vaporization tank 415 can be heated to a preset temperature, which is a temperature at which the liquid solvent can be sufficiently vaporized.
  • a preset temperature which is a temperature at which the liquid solvent can be sufficiently vaporized.
  • Step S530 The spraying device 415 sprays the dirty liquid in the dirty liquid tank 430 onto the inner wall of the solvent regeneration vaporizing tank 415 to form a vaporized solvent, and the stain in the dirty liquid is deposited on the inner wall.
  • the heating device can be turned on by the controller of the dry cleaning machine to heat it, and the controller can determine whether the inner wall reaches the preset temperature through a timing manner, or can determine whether the pre-prevention is achieved by a feedback signal of a temperature sensor disposed around the inner wall. The temperature is set. When it is judged that the preset temperature is reached, the controller can open the liquid pump 2154, and the liquid pump 2154 draws the dirty liquid in the dirty liquid tank 430 to the spray head for spraying.
  • Step S540 The vaporized solvent is passed through the gas outlet condensation tank 440 of the solvent regeneration vaporization tank 410.
  • the condensation tank 440 condenses the vaporized solvent into a liquid solvent, and discharges the liquid solvent through the liquid outlet 442 to the solvent tank 480. in.
  • the liquid solvent obtained in the solvent tank 480 can be used as a regenerating solvent by entering the drum 420 through the inlet pipe 451.
  • the dirty liquid sprayed by the spraying device may be a misty liquid, and the misty liquid is more easily vaporized, thereby improving the vaporization rate of the solvent and improving the effect of solvent regeneration and stain separation.
  • steps S520, S530 and S540 can be cyclically performed until the solvent in the dirty liquid is sufficiently recovered.
  • the level value of the dirty liquid in the dirty liquid tank 430 can be detected.
  • the liquid pump 431 stops the suction of the dirty liquid, and the spraying device 415 stops the spraying of the dirty liquid.
  • the dirty liquid in the dirty liquid tank 430 can be sprayed again to the heating tank 410 by the spraying device to be cleaned and deposited in the solvent regeneration vaporization tank 410.
  • the stain on the inner wall flows into the dirty tank 430 through the liquid outlet 417 along with the sprayed dirty liquid.
  • the foregoing program may be stored in a computer readable storage medium, and the program is executed when executed.
  • the foregoing storage device includes the following steps:
  • the foregoing storage medium includes: a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
  • ROM Read-Only Memory
  • RAM Random Access Memory

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)

Description

- -
溶剂再生用汽化箱、 干洗机及溶剂再生方法
本发明要求 2012年 09月 21 日向中国国家知识产? i提交的、 申请 号为 201210356220.9、名称为 "溶剂再生用汽化箱、 干洗机及溶剂再生方 法" 的中国专利申请的优先权。
技术领域
本发明涉及洗衣溶剂再生领域， 尤其涉及一种溶剂再生用汽化箱、干 洗机、 溶剂再生方法。
背景技术
目前， 许多家电产品对应用于其中的材料都要求具有较好的回收利用 率， 才能满足市场需求。 干洗洗衣以其较强的清洁能力以及对衣物伤害少 的特点而普及至广大用户。 溶剂的再生是干洗洗衣技术的一个重要环节， 如何采用结构简单、 成本低廉的装置达到较高的溶剂再生及污渍分离效率 是业界不断在研究的课题。
发明内容
在下文中给出了关于本发明的简要概述，以便提供关于本发明的某些 方面的基本理解。 应当理解， 这个概述并不是关于本发明的穷举性概述。 它并不是意图确定本发明的关键或重要部分，也不是意图限定本发明的范 围。其目的仅仅是以简化的形式给出某些概念， 以此作为稍后论述的更详 细描述的前序。
在下文中给出关于本发明的简要概述，以便提供关于本发明的某些方 面的基本理解。应当理解， 这个概述并不是关于本发明的穷举性概述。 它 并不是意图确定本发明的关键或重要部分， 也不是意图限定本发明的范 围。其目的仅仅是以简化的形式给出某些概念， 以此作为稍后论述的更详 细描述的前序。
本发明的一个主要目的在于提供一种成本低、结构简单的溶剂再生用 - - 汽化箱。
本发明的另一个主要目的在于提供一种应用上述溶剂再生用汽化箱 的成本低、 结构筒单的干洗机， 达到较高的溶剂再生及污渍分离效率。
本发明的另一个主要目的在于提供一种应用上述干洗机的溶剂再生 方法， 达到较高的溶剂再生及污渍分离效率。
为实现上述目的，本发明提供了一种溶剂再生用汽化箱， 包括内壁和 外壁， 内壁的材料为导热材料， 内壁和外壁之间设有加热装置， 加热装置 用于加热产生热量并将热量传导至内壁，溶剂再生用汽化箱上形成有进液 口和出气口， 在进液口处连接喷射装置。
为实现上述目的，本发明还提供一种干洗机， 包括上述溶剂再生用汽 化箱， 还包括：
滚筒；
储液箱，通过循环管道与滚筒连通，用于储存从滚筒流出的混合有溶 剂和污渍的污液， 并向滚筒提供再生溶剂；
储液箱与喷射装置相连通，喷射装置用于将储液箱中的污液喷射至内 壁上以形成汽化的溶剂； 以及
冷凝箱，与溶剂再生用汽化箱的出气口连通，用于吸收汽化的溶剂并 将其冷凝为再生溶剂， 冷凝箱上设有用于将再生溶剂排至储液箱的出液 α。
为实现上述目的，本发明还提供一种溶剂再生方法，应用上述干洗机 进行溶剂再生和污渍分离， 包括：
排液步骤：将所述滚筒中的混合有污渍和溶剂的污液排至所述储液箱 中；
加热步骤： 所述溶剂再生用汽化箱的加热装置进行加热；
喷射步骤：喷射装置将储液箱中的污液喷射至内壁上以形成汽化的溶 剂， 污液中的污渍沉积在溶剂再生用汽化箱的内壁上； 以及
回收步骤： 汽化的溶剂通过溶剂再生用汽化箱的出气口进入冷凝箱 中，冷凝箱将汽化的溶剂冷凝为液态的再生溶剂， 并将再生溶剂通过其出 液口排至储液箱中。 本发明的溶剂再生用汽化箱只需开设进液口和出气口，在内壁和外壁 之间设置加热装置使内壁能够达到高温，通过在进液口处连接喷射装置将 污液喷射至内壁上即可形成汽化的溶剂，汽化的溶剂可经出气口流入外部 设备实现溶剂的再生，不需要复杂、 昂贵的汽化设备，成本低、结构简单。 本发明的干洗机应用该溶剂再生用汽化箱，通过喷射装置实现溶剂再生用 汽化箱和储液箱的连通， 并将出气口和冷凝箱连通，使汽化溶剂冷凝为液 态后回到储液箱， 结构简单， 成本低， 同时由于污液是通过喷射装置喷射 至溶剂再生用汽化箱的内壁上，可提升溶剂汽化的比例和速度，具有较高 的溶剂再生和污渍分离效率。本发明的溶剂再生方法应用上述干洗机， 工 作流程筒单， 成本低， 也具有较高的溶剂再生和污渍分离效率。
通过以下结合附图对本发明的最佳实施例的详细说明，本发明的这些 以及其它的优点将更加明显。
附图说明
本发明可以通过参考下文中结合附图所给出的描述而得到更好的理 解，其中在所有附图中使用了相同或相似的附图标记来表示相同或者相似 的部件。所述附图连同下面的详细说明一起包含在本说明书中并且形成本 说明书的一部分，而且用来进一步举例说明本发明的优选实施例和解释本 发明的原理和优点。 在附图中：
图 1为本发明溶剂再生用汽化箱的一种实施例的结构示意图。
图 2为本发明干洗机的一种实施例的结构示意图。
图 3为本发明干洗机的另一种实施例的结构示意图。
图 4为本发明溶剂再生方法的一种实施例的流程图。
图 5为本发明溶剂再生方法的另一种实施例的流程图。
本领域技术人员应当理解，附图中的元件仅仅是为了简单和清楚起见 而示出的， 而且不一定是按比例绘制的。 例如， 附图中某些元件的尺寸可 能相对于其他元件放大了， 以便有助于提高对本发明实施例的理解。
具体实施方式
在下文中将结合附图对本发明的示范性实施例进行详细描述。为了清 楚和简明起见， 在说明书中并未描述实际实施方式的所有特征。 然而， 应 - - 该了解，在开发任何这种实际实施例的过程中必须做出很多特定于实施方 式的决定， 以便实现开发人员的具体目标， 例如， 符合与系统及业务相关 的那些限制条件，并且这些限制条件可能会随着实施方式的不同而有所改 变。 此外， 还应该了解， 虽然开发工作有可能是非常复杂和费时的， 但对 得益于^开内容的本领域技术人员来说，这种开发工作仅仅是例行的任 务。
在此，还需要说明的一点是，为了避免因不必要的细节而模糊了本发 明，在附图和说明中仅仅描述了与根据本发明的方案密切相关的装置结构 和 /或处理步骤， 而省略了对与本发明关系不大的、 本领域普通技术人员 已知的部件和处理的表示和描述。
本发明提供了一种溶剂再生用汽化箱， 包括内壁和外壁， 内壁的材料 为导热材料， 内壁和外壁之间设有加热装置，加热装置用于加热产生热量 并将热量传导至内壁，溶剂再生用汽化箱上形成有进液口和出气口，在进 液口处连接喷射装置。
可选地， 喷射装置可拆卸地安装在进液口处。
可选地，喷射装置用于将洗涤产生的混合有溶剂和污渍的污液喷射至 内壁上形成汽化的溶剂。
可选地， 内壁的材料为不锈钢， 外壁的材料为保温材料。
可选地， 加热装置包括电加热丝和导热物质， 导热物质与内壁接触， 电加热丝通电时对导热物质加热。
可选地， 导热物质为液体油。
本发明的溶剂再生用汽化箱只需开设进液口和出气口，在内壁和外壁 之间设置加热装置使内壁能够达到高温，通过在进液口处连接喷射装置将 污液喷射至内壁上即可形成汽化的溶剂，汽化的溶剂可经出气口流入外部 设备实现溶剂的再生，不需要复杂、 昂贵的汽化设备，成本低、结构简单。
参考图 1，本发明的溶剂再生用汽化箱 100的一种实施例包括内壁 110 和外壁 120。
本实施例中， 内壁 110优选为不锈钢， 不锈钢具有较好的导热性能， 而且遇水不易生锈， 因此， 本实施例中使用不锈钢作为内壁 110具有高导 热性且不易生锈。本实施例中的内壁 110也可为其它可导热的材料， 例如 铝。 - - 外壁 120 为绝热保温层， 其材料可为例如聚氨酯发泡绝热保温材料 等。
如图 1所示， 内壁和外壁之间设有加热装置（图中以阴影部分示意）， 加热装置可包括电加热丝和液体油。电加热丝可通过延伸出溶剂再生用汽 化箱 10的导线连接至外部供电装置， 通电时电加热丝可对液体油进行加 热， 液体油与内壁 110接触， 将其热量传导至内壁 110上以将内壁 110的 温度升至可将溶剂充分汽化的温度。液体油沸点较低， 因此可更快速地产 生热量并将内壁 110加热至高温。
在其它实施例中，加热装置还可包括加热套，加热丝和液体油可设置 在加热套中， 以提高安全性并对内、 外壁起保护作用。
本实施例中，溶剂再生用汽化箱 100上设有连通箱体内部和外部的进 液口 130， 还设有连通箱体内部和外部的出气口 140， 进液口 130处连接 有喷射装置 150， 喷射装置 150用于将外部的污液喷射至内壁 110上， 污 液中的溶剂由于内壁 110的高温而变为汽化溶剂。汽化溶剂可经由溶剂再 生用汽化箱的出气口 140被外部设备收集、 处理以达到溶剂再生的目的。
喷射装置 150可拆卸地安装在进液口 130处， 便于更换。
本发明实施例还提供了一种干洗机，其一种实施例包括上述溶剂再生 用汽化箱， 还包括：
滚筒；
储液箱，通过循环管道与滚筒连通，用于储存从滚筒流出的混合有溶 剂和污渍的污液， 并向滚筒提供再生溶剂；
储液箱与喷射装置相连通，喷射装置用于将储液箱中的污液喷射至内 壁上以形成汽化的溶剂； 以及
冷凝箱，与溶剂再生用汽化箱的出气口连通，用于吸收汽化的溶剂并 将其冷凝为再生溶剂， 冷凝箱上设有用于将再生溶剂排至储液箱的出液 α。 可选地，储液箱包括储存污液的污液箱和储存再生溶剂的溶剂箱两部 分， 冷凝箱的出液口与溶剂箱连通,溶剂箱与滚筒连通以提供洗涤用的再 生溶剂，污液箱与喷射装置相连通。
可选地， 溶剂再生用汽化箱的底部设置与污液箱连通的出液口。
可选地，冷凝箱上设有与其内部连通的吸气装置，用于将在溶剂再生 - - 用汽化箱中产生的蒸汽吸至冷凝箱中。
可选地， 喷射装置包括液管， 液管的一端设有喷头， 喷头设在溶剂再 生用汽化箱的进液口处， 液管上设有抽液泵， 污液被抽至喷头处并被喷射 形成雾状液体。
可选地， 储液箱内设置有液位传感器或浊度传感器。
本发明的实施例的干洗机应用该溶剂再生用汽化箱，通过喷射装置实 现溶剂再生用汽化箱和储液箱的连通，并将出气口和冷凝箱连通，使汽化 溶剂冷凝为液态后回到储液箱， 结构简单， 成本低， 同时由于污液是通过 喷射装置喷射至溶剂再生用汽化箱的内壁上，可提升溶剂汽化的比例和速 度， 具有较高的溶剂再生和污渍分离效率。
参考图 2， 本发明的干洗机 200的一种实施例包括溶剂再生用汽化箱 210, 该溶剂再生用汽化箱 210包括内壁、 外壁、 进液口、 出气口以及喷 射装置 215，溶剂再生用汽化箱 210的结构与上述的溶剂再生用汽化箱 100 的结构基^目同， 在此不再赘述。
干洗机 200还包括滚筒 220、 储液箱 230和冷凝箱 240。 滚筒 220主 要通过运动去除衣物的污渍， 其通过循环管道与储液箱 230连通。
本实施例中， 循环管道包括进液管道 251和出液管道 252， 进液管道 251上可设有进液泵 2510，在开始洗涤时将储液箱 230中的液体抽入滚筒 220中以清洁滚筒中的衣物。 在完成衣物洗涤后， 滚筒 220中的混合有污 渍和溶剂的污液经出液管道 252流入储液箱 230中。
储液箱 230与喷射装置 215相连通。本实施例中，喷射装置 215包括 液管 2150， 液管 2150的一端设有喷头， 喷头设在溶剂再生用汽化箱 200 的进液口处， 液管 2150的另一端与储液箱 230连通， 液管 2150上设有抽 液泵 2154， 用于将储液箱 230中的污液抽至喷头处进行喷射。
抽液泵 2154可将从滚筒 220流入储液箱 230中的污液经液管 2150 抽至喷头， 污液经喷头喷射至溶剂再生用汽化箱 200的内壁 210上， 由于 内壁 210处于可将溶剂汽化的高温状态， 因此， 污液中的溶剂被汽化为蒸 汽， 而污渍沉积在内壁 210上， 实现了污渍分离和溶剂净化。
可选地，喷头的喷射孔径可设计地非常小，以使喷射出的污液为雾状， 这样能够提升溶剂的气化率。
可选地，冷凝箱 240通过气管 260连通溶剂再生用汽化箱 200的出气 - - 口，冷凝箱 240用于收集从溶剂再生用汽化箱 210的出气口流出的汽化溶 剂并将其冷凝为液体溶剂。
本实施例中，冷凝箱 240中设有低温的冷凝盘管，用于将高温气体变 为液体， 在其它实施例中， 冷凝箱 240也可以其它方式液化气体溶剂。
可选地， 冷凝箱 240上设有与其内部连通的吸气装置 280， 吸气装置 280用于将在溶剂再生用汽化箱 210中产生的蒸汽吸至冷凝箱 240中。 利 用吸气装置可使蒸汽快速地流入冷凝箱 240中，提高溶剂再生的效率。吸 气装置 280可以是真空泵。
冷凝箱 240上设有出液口 242， 冷凝箱 240中的液体溶剂经由其出液 口 242重新流入储液箱 230中，可经过多次循环实现溶剂的再生和污渍分 离。
可选地，可在储液箱 230中设置浊度传感器， 与干洗机 200的控制器 连接， 用于检测储液箱 230中污液的浊度值，例如当污液浊度值减少到预 设值时， 控制器控制抽液泵 2154停止抽取污液， 使得喷射装置 215停止 喷射污液。
再生的液体溶剂可在下次洗涤开始时经由循环管道的进液管道 251 进入滚筒 220进行衣物的洗涤。
参考图 3， 本发明还提供了一种干洗机。 图 3中的干洗机包括溶剂再 生用汽化箱 410、 滚筒 420、 储液箱、 冷凝装置 440。
与图 2中的干洗机类似，滚筒 420通过循环管道连通储液箱。在完成 衣物洗涤后，滚筒 420中的污液经循环管道的出液管道 452流入储液箱中。
溶剂再生用汽化箱 410包括进液口和出气口， 溶剂再生用汽化箱 410 的进液口处连接有喷射装置 215。 储液箱通过管道连通喷射装置 415， 进 而连通溶剂再生用汽化箱 415的进液口。 该管道上设有抽液泵 431。
冷凝装置 440通过气管 460连通溶剂再生用汽化箱 410的出气口，冷 凝装置 440上设有出液口 442， 冷凝装置 440上设有与其内部连通的吸气 装置。
图 4中的干洗机与图 2中的干洗机 200结构和工作方式相似，区别在 于： 图 4中的干洗机的储液箱包括溶剂箱 480和污液箱 430两部分，冷凝 装置 440的出液口 442与溶剂箱 480连通。冷凝装置 440中产生的液体溶 剂可经出液口 442流入溶剂箱 480中， 以进行溶剂的回收。溶剂箱 480通 - - 过循环管道的进液管道 451连通滚筒 420， 向滚筒 420提供洗涤用再生溶 剂。
溶剂再生用汽化箱 410上还设有与污液箱 430连通的出液口 417。 当 喷射至溶剂再生用汽化箱 410内的溶剂没有被完全汽化时，剩余的污液经 溶剂再生用汽化箱 410的出液口 417流回污液箱 430。
在其他实施例中，也可以在加热停止后，通过喷射装置继续喷射部分 污液， 以清理沉积在内壁上的污渍，之后污液通过出液口 417回到污液箱
430。
可选地， 污液箱 430中可设置液位传感器 432， 用于检测污液箱 430 中的液位值， 液位传感器 430与干洗机的控制器连接， 当污液箱 430中的 液位值减少至预设值时，干洗机的控制器控制设置在喷射装置 415和污液 箱 430之间的抽液泵 431停止抽液， 使喷射装置 415停止喷射污液。
本发明实施例还提供了一种溶剂再生方法，应用上述干洗机进行溶剂 再生和污渍分离， 该方法包括：
排液步骤： 将滚筒中的混合有污渍和溶剂的污液排至储液箱中； 加热步骤： 溶剂再生用汽化箱的加热装置进行加热；
喷射步骤：喷射装置将储液箱中的污液喷射至内壁上以形成汽化的溶 剂， 污液中的污渍沉积在溶剂再生用汽化箱的内壁上； 以及
回收步骤： 汽化的溶剂通过溶剂再生用汽化箱的出气口进入冷凝箱 中，冷凝箱将汽化的溶剂冷凝为液态的再生溶剂， 并将再生溶剂通过出液 口排至储液箱中。
可选地，回收步骤中，冷凝箱将再生溶剂通过其出液口排至溶剂箱中。 可选地，喷射步骤中未被汽化的溶剂和未沉积在溶剂再生用汽化箱的 内壁上的污渍通过溶剂再生用汽化箱的出液口流入污液箱中。
可选地，加热步骤停止加热后还包括：通过喷射装置喷射污液至溶剂 再生用汽化箱， 以清理沉积在溶剂再生用汽化箱的内壁上的污渍。
可选地， 喷射装置喷射出的污液为雾状液体。
可选地，溶剂再生用汽化箱的加热装置进行加热以将内壁加热至预设 温度， 当内壁的温度达到预设温度后，喷射装置将储液箱中的污液喷射至 内壁上。 - - 可选地， 循环执行加热装置、 喷射步骤和回收步骤， 喷射步骤喷射的 污液中混合有在前次喷射步骤中未汽化的溶剂和未沉积在溶剂再生用汽 化箱的内壁上的污渍。
可选地， 还包括： 检测污液的液位值或浊度值， 当污液的液位值或浊 度值减少至预设液位值或预设浊度时， 停止执行喷射步骤。
本发明实施例的溶剂再生方法应用上述干洗机，具有较高的溶剂再生 和污渍分离效率。
参考图 4， 本发明的溶剂再生方法的一种实施例可应用图 2中的干洗 机 200进行溶剂再生和污渍分离， 包括以下步骤：
步骤 S310:将滚筒 220中的污液通过出液管 252排至储液箱 230中。 步骤 S320: 溶剂再生用汽化箱 210的加热装置进行加热。
步骤 S320中， 可将溶剂再生用汽化箱 210的内壁升温至预设温度， 该预设温度为可充分将液态溶剂汽化的温度。当内壁的温度达到预设温度 后， 只执行步骤 S330。
步骤 S330: 喷射装置 215将储液箱 230中的污液喷射至内壁上以形 成汽化的溶剂， 污液中的污渍沉积在内壁上。
步骤 S330中， 可通过干洗机的控制器开启加热装置使其加热， 控制 器可通过定时的方式判断内壁是否达到预设温度，也可通过设置在内壁周 围的温度传感器的反馈信号判断是否达到预设温度，当判断达到预设温度 后， 控制器可开启抽液泵 2154， 抽液泵 2154即将储液箱 230中的污液抽 至喷头进行喷射。
步骤 S340: 汽化的溶剂经溶剂再生用汽化箱 210的出气口 214 ¾X 冷凝箱 240中，冷凝箱 240将汽化的溶剂冷凝为液态的溶剂， 并将该液态 的溶剂通过出液口 242排至储液箱 230中。
可循环执行上述步骤 S320、 S330和 S340直至污液中的溶剂充分回 收。 因此， 当再次执行步骤 S330时， 喷射的污液中混合有在前次喷射步 骤中未汽化的溶剂和未沉积在溶剂再生用汽化箱 210的内壁上的污渍。
具体地， 可通过储液箱 230中的传感器检测污液的液位值或浊度值， 当检测的液位值或浊度值减少至预设值时， 控制器可关闭抽液泵 2154， 此时喷射装置 215停止喷射污液。
参考图 5， 本发明的溶剂再生方法的一种实施例可应用图 3中的干洗 - - 机进行溶剂再生和污渍分离， 包括以下步骤：
步骤 S510: 将滚筒 420中的污液通过出液管道 452排至污液箱 430 中。
步骤 S520: 溶剂再生用汽化箱 415的加热装置进行加热。
步骤 S520中， 可将溶剂再生用汽化箱 415的内壁升温至预设温度， 该预设温度为可充分将液态溶剂汽化的温度。当内壁的温度达到预设温度 后， 执行步骤 S530。
步骤 S530: 喷射装置 415将污液箱 430中的污液喷射至溶剂再生用 汽化箱 415的内壁上以形成汽化的溶剂， 污液中的污渍沉积在内壁上。
步骤 S530中， 可通过干洗机的控制器开启加热装置使其加热， 控制 器可通过定时的方式判断内壁是否达到预设温度，也可通过设置在内壁周 围的温度传感器的反馈信号判断是否达到预设温度，当判断达到预设温度 后， 控制器可开启抽液泵 2154， 抽液泵 2154即将污液箱 430中的污液抽 至喷头进行喷射。
步骤 S540: 汽化的溶剂经溶剂再生用汽化箱 410的出气口 冷凝 箱 440中，冷凝箱 440将汽化的溶剂冷凝为液态的溶剂， 并将该液态的溶 剂通过出液口 442排至溶剂箱 480中。溶剂箱 480中获得的液态溶剂， 可 通过进液管道 451进入滚筒 420作为再生溶剂使用。
本实施例中，喷射装置喷射出的污液可为雾状液体，雾状液体较容易 被汽化， 因此可提升溶剂的汽化率并提升溶剂再生和污渍分离的效果。
可循环执行上述步骤 S520、 S530和 S540直至污液中的溶剂被充分 回收。
具体地，可检测污液箱 430中的污液的液位值， 当液位值减少到预设 液位值时， 抽液泵 431停止抽取污液， 喷射装置 415停止喷射污液。
本实施例中， 当溶剂再生用汽化箱 410中的加热装置停止加热后，可 通过喷射装置再次将污液箱 430中的污液喷射至加热箱 410， 以清理沉积 在溶剂再生用汽化箱 410的内壁上的污渍，该污渍随喷射的污液经出液口 417流入污液箱 430中。
虽然已经详细说明了本发明及其优点，但是应当理解在不脱离由所附 的权利要求所限定的本发明的精神和范围的情况下可以进行各种改变、替 代和变换。 - - 最后， 还需要说明的是， 在本文中， 诸如第一和第二等之类的关系术 语仅仅用来将一个实体或者操作与另一个实体或操作区分开来，而不一定 要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。而 且， 术语"包括"、 "包含"或者其任何其他变体意在涵盖非排他性的包含， 从而使得包括一系列要素的过程、方法、物品或者设备不仅包括那些要素， 而且还包括没有明确列出的其他要素， 或者是还包括为这种过程、 方法、 物品或者设备所固有的要素。 在没有更多限制的情况下， 由语句 "包括一 个 ...... "限定的要素， 并不排除在包括所述要素的过程、 方法、 物品或者 设备中还存在另外的相同要素。
本领域普通技术人员可以理解：实现上述方法实施例的全部或部分步 骤可以通过程序指令相关的硬件来完成，前述的程序可以存储于一计算机 可读取存储介质中， 该程序在执行时， 执行包括上述方法实施例的步骤； 而前述的存储介质包括： 只读存储器（Read-Only Memory, 简称 ROM )、 随才 "储器（Random Access Memory, 简称 RAM )、 磁碟或者光盘 等各种可以存储程序代码的介质。
以上虽然结合附图详细描述了本发明的实施例，但^ ί当明白，上面 所描述的实施方式只是用于说明本发明， 而并不构成对本发明的限制。对 于本领域的技术人员来说，可以在不偏离本发明的精神和范围的情况下对 上述实施方式作出各种修改和变更。 因此，本发明的范围仅由所附的权利 要求及其等效内容来限定。

Claims

权利 要求 书
1. 一种溶剂再生用汽化箱， 其特征在于， 包括内壁和外壁， 所述内 壁的材料为导热材料，所述内壁和外壁之间设有加热装置， 所述加热装置 用于加热产生热量并将热量传导至所述内壁，所述溶剂再生用汽化箱上形 成有进液口和出气口， 在所述进液口处连接喷射装置。
2.根据权利要求 1 所述的溶剂再生用汽化箱， 其特征在于， 所述喷 射装置可拆卸地安装在所述进液口处。
3.根据权利要求 1 所述的溶剂再生用汽化箱， 其特征在于， 所述喷 射装置用于将洗涤产生的混合有溶剂和污渍的污液喷射至所述内壁上形 成汽化的溶剂。
4.根据权利要求 1 所述的溶剂再生用汽化箱， 其特征在于， 所述内 壁的材料为不锈钢， 所述外壁的材料为保温材料。
5.根据权利要求 1 所述的溶剂再生用汽化箱， 其特征在于， 所述加 热装置包括电加热丝和导热物质， 所述导热物质与所述内壁接触，所述电 加热丝通电时对所述导热物质加热。
6.根据权利要求 5所述的溶剂再生用汽化箱， 其特征在于， 所述导 热物质为液体油。
7. 一种干洗机，其特征在于， 包括权利要求 1-6任一项所述的溶剂再 生用汽化箱， 还包括：
滚筒；
储液箱，通过循环管道与所述滚筒连通，用于储存从所述滚筒流出的 混合有溶剂和污渍的污液， 并向所述滚筒提供再生溶剂；
所述储液箱与所述喷射装置相连通，所述喷射装置用于将所述储液箱 中的污液喷射至所述内壁上以形成汽化的溶剂； 以及
冷凝箱， 与所述溶剂再生用汽化箱的出气口连通，用于吸收所述汽化 的溶剂并将其冷凝为所述再生溶剂，所述冷凝箱上设有用于将所述再生溶 剂排至所述储液箱的出液口。
8.根据权利要求 7所述的干洗机， 其特征在于， 所述储液箱包括储 存所述污液的污液箱和储存所述再生溶剂的溶剂箱两部分，所述冷凝箱的 所述出液口与所述溶剂箱连通，所述溶剂箱与所述滚筒连通以提供洗涤用 的再生溶剂， 所述污液箱与所述喷射装置相连通。
9.根据权利要求 8所述的干洗机， 其特征在于， 所述溶剂再生用汽 化箱的底部设置与所述污液箱连通的出液口。
10.根据权利要求 7-9任一项所述的干洗机， 其特征在于， 所述冷凝 箱上设有与其内部连通的吸气装置，用于将在所述溶剂再生用汽化箱中产 生的蒸汽吸至所述冷凝箱中。
11.根据权利要求 7-9任一项所述的干洗机， 其特征在于， 所述喷射 装置包括液管， 所述液管的一端设有喷头， 所述喷头设在所述溶剂再生用 汽化箱的进液口处，所述液管上设有抽液泵，所述污液被抽至所述喷头处 并被喷射形成雾状液体。
12. 根据权利要求 7所述的干洗机， 其特征在于， 所述储液箱内设置 有液位传感器或浊度传感器。
13. 一种溶剂再生方法，应用如权利要求 7-12任一项所述的干洗机进 行溶剂再生， 其特征在于， 包括：
排液步骤：将所述滚筒中的混合有污渍和溶剂的污液排至所述储液箱 中；
加热步骤： 所述溶剂再生用汽化箱的加热装置进行加热；
喷射步骤：所述喷射装置将所述储液箱中的污液喷射至所述内壁上以 形成汽化的溶剂，所述污液中的污渍沉积在所述溶剂再生用汽化箱的内壁 上； 以及
回收步骤：所述汽化的溶剂通过所述溶剂再生用汽化箱的出气口进入 所述冷凝箱中， 所述冷凝箱将所述汽化的溶剂冷凝为液态的再生溶剂， 并 将所述再生溶剂通过其出液口排至所述储液箱中。
14.才艮据权 ^求 ^、所述的溶剂再生方法， ^特征 于， 所述储液 述冷凝箱的所述出液口与所述溶剂箱连通，所述溶剂箱与所述滚筒连通以 提供洗涤用的再生溶剂， 所述污液箱与所述喷射装置相连通， 所述回收步 骤中， 所述冷凝箱将所述再生溶剂通过其出液口排至所述溶剂箱中。
15.根据权利要求 14所述的溶剂再生方法， 其特征在于， 所述溶剂 再生用汽化箱的底部设置与所述污液箱连通的出液口，所述喷射步骤中未 被汽化的溶剂和未沉积在所述溶剂再生用汽化箱的内壁上的污渍通过所 述溶剂再生用汽化箱的出液口 ¾LV所述污液箱中。
16.根据权利要求 15所述的溶剂再生方法， 其特征在于， 所述加热 步骤停止加热后还包括：通过所述喷射装置喷射污液至所述溶剂再生用汽 化箱， 以清理沉积在所述溶剂再生用汽化箱的内壁上的污渍。
17.根据权利要求 13-16任一项所述的溶剂再生方法， 其特征在于， 所述喷射装置喷射出的污液为雾状液体。
18.根据权利要求 13-16任一项所述的溶剂再生方法， 其特征在于， 所述溶剂再生用汽化箱的加热装置进行加热以将所述内壁加热至预设温 度， 当所述内壁的温度达到所述预设温度后，所述喷射装置将所述储液箱 中的污液喷射至所述内壁上。
19.根据权利要求 13所述的溶剂再生方法， 其特征在于， 包括循环 执行所述加热装置、喷射步骤和回收步骤， 所述喷射步骤喷射的污液中混 合有在前次喷射步骤中未汽化的溶剂和未沉积在所述溶剂再生用汽化箱 的内壁上的污渍。
20.根据权利要求 13所述的溶剂再生方法， 其特征在于， 还包括： 检测所述污液的液位值或浊度值，当所述污液的液位值或浊度值减少至预 设液位值或预设浊度时， 停止执行所述喷射步骤。
PCT/CN2013/083722 2012-09-21 2013-09-18 溶剂再生用汽化箱、干洗机及溶剂再生方法 Ceased WO2014044179A1 (zh)

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EP0340482A2 (en) * 1988-05-04 1989-11-08 SO DI BO S.p.A. Apparatus for extracting solvent from mixtures with oils, greases and impurities for dry-cleaning machines
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