CN2540431Y - Solvent distillation device in dry-cleaning machine using petroleum solvent - Google Patents
Solvent distillation device in dry-cleaning machine using petroleum solvent Download PDFInfo
- Publication number
- CN2540431Y CN2540431Y CN 02221040 CN02221040U CN2540431Y CN 2540431 Y CN2540431 Y CN 2540431Y CN 02221040 CN02221040 CN 02221040 CN 02221040 U CN02221040 U CN 02221040U CN 2540431 Y CN2540431 Y CN 2540431Y
- Authority
- CN
- China
- Prior art keywords
- solvent
- distillation
- valve
- tube
- vacuum
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
A solvent distillation device which uses oil solvent as washing solvent mainly comprises a distillation box in which a distillation area and a heating area are arranged, wherein the box of the distillation area is arranged with a liquid inlet tube and an air outlet tube, while the air outlet tube is communicated with a cooler communicated with a solvent tank via a liquid outlet tube, the solvent tank via a liquid outlet tube is communicated with a liquid-water separator, the solvent tank is communicated with a vacuuming device and arranged with an air balance tube. Via the vacuuming device, the distillation area can be vacuumed before distilling oil solvent to realize safe distillation. Via the utility model, dryer can reduce oil solvent consumption and reduce washing cost.
Description
Technical field
The utility model relates to the dry cleaner industry, refers more particularly to utilize petroleum solvent as the solvent distilling apparatus in the dry cleaner of cleaning solvent.
Background technology
Traditional dry cleaner generally all uses liquid tetrachloro-ethylene as cleaning solvent, usually all dispose the solvent distilling apparatus in this kind dry cleaner, its main application is: after repeatedly washing, tetrachloro-ethylene liquid unavoidably can be contaminated, messy, if continue to come laundering of textile fabrics, be certain to cause fabric not wash clean with this dirty tetrachloro-ethylene; Therefore, just must carry out the decontamination cleaning to tetrachloro-ethylene, the solvent distilling apparatus is exactly the device that is used for cleaning tetrachloro-ethylene specially, and its structure as shown in Figure 1, mainly comprise: distillation case 2, the inside of distillation case 2 is separated into upper and lower two parts, and top is distillation zone 3, and the bottom is the thermal treatment zone 8, the casing of distillation zone 3 is provided with feed tube 5 and escape pipe 1, feed tube 5 is provided with feed liquor valve 4, and escape pipe 1 is connected with cooler 12, and cooler 12 directly is connected with liquid separator 11; In actual use, generally all heat with steam, thereby also be provided with steam inlet tube 7 and condensed water go out pipe 10 on the casing of the thermal treatment zone 8, steam inlet tube 7 is provided with steam valve 6, and condensed water goes out pipe 10 and is provided with drain valve 9; Above-mentioned cooler 12 generally all uses recirculated cooling water to cool off.The operation principle of above-mentioned distilling apparatus is: put into dirty tetrachloro-ethylene liquid in the distillation zone 3 of distillation case 2 by feed tube 5, close feed liquor valve 4 then, in the thermal treatment zone 8, feed steam, tetrachloro-ethylene liquid is heated, and make its boiling, consequent tetrachloro-ethylene steam enters into cooler 12 by escape pipe 1, in cooler 12, tetrachloro-ethylene steam is condensed into drop, drop flow in the liquid separator 11, finally isolates clean tetrachloro-ethylene liquid by liquid separator 11.
Because tetrachloro-ethylene can cause severe contamination to atmospheric environment, thereby a lot of in the world countries have begun restriction use tetrachloro-ethylene as cleaning solvent, and progressively promote the use of petroleum solvent as cleaning solvent, to substitute tetrachloro-ethylene, the petroleum solvent dry cleaner also arises at the historic moment.But, because petroleum solvent is inflammable and explosive property material, and the temperature of its initial boiling point is higher than the temperature of flashing point far away, very dangerous during distillation, thereby the distilling apparatus in above-mentioned traditional tetrachloroethylene solvent dry cleaner just can not be applied directly in the petroleum solvent dry cleaner, so, all solvent-free distilling apparatus in the present petroleum solvent dry cleaner that uses; Like this, when petroleum solvent, generally just can only clean by the way of natural sedimentation or filtration during contaminated making dirty through washing repeatedly, the effect that cleans decontamination like this is relatively poor certainly; When natural sedimentation or filter when can not deal with problems, just dirty petroleum solvent can only be thrown away, again the petroleum solvent that more renews, the petroleum solvent dry cleaner just needed to change the once washing solvent in general about three months, so just increased the consumption of petroleum solvent greatly, increased the washing cost, caused the user to be difficult to bear, thereby also restricted the petroleum solvent dry cleaner always and further popularize.
Summary of the invention
The utility model will provide the solvent distilling apparatus in a kind of novel petroleum solvent dry cleaner.
Groundwork principle of the present utility model is: before distillation, at first the distillation zone is vacuumized, thereby reduce oxygen content in the distillation zone greatly, the external condition that petroleum solvent is lost fire is to reach the purpose of safety distillation.
The technical solution adopted in the utility model is: the solvent distilling apparatus in the described petroleum solvent dry cleaner mainly comprises: the distillation case, the inside of distillation case is separated into upper and lower two parts, top is the distillation zone, the bottom is the thermal treatment zone, the casing of distillation zone is provided with feed tube and escape pipe, feed tube is provided with the feed liquor valve, and escape pipe is connected with cooler; Cooler is connected with the solvent holding tank by drain pipe, and the solvent holding tank is connected with the liquid separator by liquid discharging tube, and drain pipe is provided with liquid valve, and liquid discharging tube is provided with bleeder valve; The solvent holding tank also is connected with vacuum extractor, also is provided with the air balance pipe on the solvent holding tank, and the air balance pipe is provided with the air balance valve.
Vacuum extractor recited above mainly comprises: vavuum pump is connected with the solvent holding tank by vacuum-pumping tube, also is provided with pressure vacuum gauge and vacuum pumping valve on the vacuum-pumping tube.
The utility model has the advantages that: one, owing to be provided with vacuum extractor, before to the petroleum solvent distillation, just can vacuumize, like this, can reduce the oxygen content in the distillation zone greatly the distillation zone, the external condition that petroleum solvent is lost fire is to reach the purpose of safety distillation; Two, in dry cleaner, be provided with the distilling apparatus of said structure after, petroleum solvent just can distill use repeatedly, like this, can reduce the consumption of petroleum solvent greatly, reduces the washing cost, helps the petroleum solvent dry cleaner and further popularizes.
Description of drawings
Fig. 1 is the structure principle chart of the solvent distilling apparatus in the tetrachloroethylene solvent dry cleaner described in the prior art;
Fig. 2 is the structure principle chart of the solvent distilling apparatus in the petroleum solvent dry cleaner described in the utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments technical scheme described in the utility model and operation principle thereof are further described.
As shown in Figure 2, solvent distilling apparatus in the petroleum solvent dry cleaner described in the utility model, mainly comprise: distillation case 10, the inside of distillation case 10 is separated into upper and lower two parts, top is distillation zone 11, and the bottom is the thermal treatment zone 12, and the casing of distillation zone 11 is provided with feed tube 6 and escape pipe 30, feed tube 6 is provided with feed liquor valve 7, and escape pipe 30 is connected with cooler 29; Cooler 29 is connected with solvent holding tank 22 by drain pipe 28, and solvent holding tank 22 is connected with liquid separator 15 by liquid discharging tube 18, and drain pipe 28 is provided with liquid valve 27, and liquid discharging tube 18 is provided with bleeder valve 19; Solvent holding tank 22 also is connected with vacuum extractor, also is provided with air balance pipe 26 on solvent holding tank 22, and air balance pipe 26 is provided with air balance valve 25.In the present embodiment, the same with the solvent distilling apparatus in the traditional tetrachloroethylene solvent dry cleaner, also use steam to heat, thereby on the casing of the thermal treatment zone 12, also be provided with steam inlet tube 9 and condensed water and go out pipe 13, steam inlet tube 9 is provided with steam valve 8, and condensed water goes out pipe 13 and is provided with drain valve 14.In addition, for the ease of realizing automatic control, fluid level controller 23 can also be set in solvent holding tank 22.
As shown in Figure 2, vacuum extractor recited above mainly comprises: vavuum pump 16 is connected with solvent holding tank 22 by vacuum-pumping tube 17, also is provided with pressure vacuum gauge 21 and vacuum pumping valve 20 on the vacuum-pumping tube 17.In order to be convenient to realize automatic control, in the present embodiment, on vacuum-pumping tube 17, also be provided with vacuum pressure controller 24.
As shown in Figure 2, in the present embodiment, feed tube 6 on the distillation case 10 also is connected with a quantitative case 5 of solvent, the quantitative case 5 of solvent is provided with quantitative feed tube 32 and quantitative air balance pipe 2, quantitatively feed tube 32 is provided with quantitative feed liquor valve 31, quantitatively air balance pipe 2 is provided with quantitative air balance valve 4, and quantitatively feed tube 32 is connected with liquid reserve tank 1.The purpose that the quantitative case 5 of solvent is set is: with the constant volume in the quantitative case 5 of solvent is measurement unit, and control enters into the quantity of solvent in the distillation zone 11, prevents that distillation zone 11 internal solvents from too much hindering normally carrying out of distillation work.Equally, for the ease of realizing automatic control, also can in the quantitative case 5 of solvent, fluid level controller 3 be set.In addition, air balance pipe 26 and quantitative air balance pipe 2 all are connected with liquid reserve tank 1 and communicate with atmosphere through material cup 33 backs that are contained with activated carbon.
The operation principle of solvent distilling apparatus described in the utility model is: in the time need distilling decontamination to dirty petroleum solvent, at first close feed liquor valve 7, air balance valve 25, bleeder valve 19, open vacuum pumping valve 20, liquid valve 27, start vavuum pump 16 then, to distillation zone 11, and escape pipe 30, drain pipe 28, solvent holding tank 22 parts such as grade vacuumize, when the vacuum pressure in the distillation zone 11 reaches certain value, under the effect of the vacuum pressure controller 24 on the vacuum-pumping tube 17, vavuum pump 16 can stop action automatically, certainly, when vacuum pressure departs from the value of a certain setting, vavuum pump 16 can start under the effect of vacuum pressure controller 24 again automatically, to keep the vacuum in the distillation zone 11; Meanwhile, can open quantitative feed liquor valve 31 and quantitative air balance valve 4, petroleum solvent dirty in the liquid reserve tank 1 is put in the quantitative case 5 of solvent by quantitative feed tube 32, when the solvent in the quantitative case 5 of solvent reaches the amount of setting, closed quantitative feed liquor valve 31 and quantitative air balance valve 4; After the vacuum in the distillation zone 11 reaches the value of setting, open feed liquor valve 7, under the effect of the negative pressure in distillation zone 11, petroleum solvent in the quantitative case 5 of solvent enters in the distillation zone 11 by feed tube 6, after the petroleum solvent in the quantitative case 5 of solvent all enters in the distillation zone 11, close feed liquor valve 7; Then, can open quantitative feed liquor valve 31 and quantitative air balance valve 4 again, petroleum solvent dirty in the liquid reserve tank 1 is put in the quantitative case 5 of solvent by quantitative feed tube 32, in actual use, can be according to the size of the volume of distillation zone 11, put into the petroleum solvent of the quantitative case 5 of some solvents in the distillation zone 11.Meanwhile, can in the thermal treatment zone 12, feed high-temperature steam, petroleum solvent in the distillation zone 11 is added thermal distillation, consequent petroleum solvent steam enters into cooler 29 by escape pipe 30, in the present embodiment, cooler 29 also uses recirculated cooling water to cool off, in cooler 29, petroleum solvent steam is condensed into drop, and drop flow in the solvent holding tank 22 by drain pipe 28; So, dirty petroleum solvent in distillation zone 11 by heating evaporation constantly, and constantly be condensed into liquid and flow in the solvent holding tank 22, when the liquid in the solvent holding tank 22 reaches the height of setting, close liquid valve 27, open air balance valve 25 and bleeder valve 19, the liquid in the solvent holding tank 22 is put in the liquid separator 15 by liquid discharging tube 18, and isolate clean petroleum solvent liquid by liquid separator 15; After the liquid in the solvent holding tank 22 has been put, open liquid valve 27 again, close air balance valve 25 and bleeder valve 19, proceed distillation work, and can put into the petroleum solvent of a quantitative case 5 of solvent again in the distillation zone 11.So: constantly the liquid in the solvent holding tank 22 is emitted, constantly in distillation zone 11, put into liquid again, till all distillation finishes with the dirty petroleum solvent in the liquid reserve tank 1.So just finished the single flash process.
From the above mentioned as can be known, owing to be provided with vacuum extractor, just can vacuumize distillation zone 11 before to the petroleum solvent distillation, can reduce the oxygen content in the distillation zone 11 greatly, the external condition that petroleum solvent is lost fire is to reach safe purpose of distilling; And, in dry cleaner, be provided with the distilling apparatus of said structure after, petroleum solvent just can distill use repeatedly, like this, can reduce the consumption of petroleum solvent greatly, reduces the washing cost, helps the petroleum solvent dry cleaner and further popularizes.
Claims (4)
1, the solvent distilling apparatus in the petroleum solvent dry cleaner, mainly comprise: the distillation case, the inside of distillation case is separated into upper and lower two parts, top is the distillation zone, the bottom is the thermal treatment zone, the casing of distillation zone is provided with feed tube and escape pipe, and feed tube is provided with the feed liquor valve, and escape pipe is connected with cooler; It is characterized in that: cooler is connected with the solvent holding tank by drain pipe, and the solvent holding tank is connected with the liquid separator by liquid discharging tube, and drain pipe is provided with liquid valve, and liquid discharging tube is provided with bleeder valve; The solvent holding tank also is connected with vacuum extractor, also is provided with the air balance pipe on the solvent holding tank, and the air balance pipe is provided with the air balance valve.
2, solvent distilling apparatus as claimed in claim 1, it is characterized in that: described vacuum extractor mainly comprises: vavuum pump is connected with the solvent holding tank by vacuum-pumping tube, also is provided with pressure vacuum gauge and vacuum pumping valve on the vacuum-pumping tube.
3, solvent distilling apparatus as claimed in claim 2 is characterized in that: also be provided with the vacuum pressure controller on vacuum-pumping tube.
4, solvent distilling apparatus as claimed in claim 1 or 2, it is characterized in that: the feed tube on the distillation case also is connected with a quantitative case of solvent, the quantitative case of solvent is provided with quantitative feed tube and quantitative air balance pipe, quantitatively feed tube is provided with quantitative feed liquor valve, quantitatively the air balance pipe is provided with quantitative air balance valve, and quantitatively feed tube is connected with liquid reserve tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02221040 CN2540431Y (en) | 2002-06-03 | 2002-06-03 | Solvent distillation device in dry-cleaning machine using petroleum solvent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02221040 CN2540431Y (en) | 2002-06-03 | 2002-06-03 | Solvent distillation device in dry-cleaning machine using petroleum solvent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2540431Y true CN2540431Y (en) | 2003-03-19 |
Family
ID=33699221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02221040 Expired - Fee Related CN2540431Y (en) | 2002-06-03 | 2002-06-03 | Solvent distillation device in dry-cleaning machine using petroleum solvent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2540431Y (en) |
-
2002
- 2002-06-03 CN CN 02221040 patent/CN2540431Y/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7603878B2 (en) | System and method for improved solvent recovery in a dry cleaning device | |
| CN1174138C (en) | System and method for extracting water in dry cleaning process involving siloxane solvent | |
| CN1196830C (en) | Dry cleaning apparatus and method capable of using siloxane composition as solvent | |
| US4513590A (en) | Combination filter apparatus for use with a dry cleaning machine | |
| US8256137B2 (en) | Determining clog steam generator tank filter laundry drier, and apparatus | |
| CN202155089U (en) | Multifunctional washing and drying machine | |
| CN101307559B (en) | Petroleum ( carbon hydrogen) dry cleaner's solvent distillation recovery device | |
| US3801274A (en) | Method for cleaning fabrics and clothes | |
| CN2540431Y (en) | Solvent distillation device in dry-cleaning machine using petroleum solvent | |
| EP1722026B1 (en) | Fabric articles dry cleaning machine by solvent nebulization | |
| CN1746414A (en) | Dry-cleaning apparatus | |
| US4443344A (en) | Method for recovering solvent | |
| EP1735492A2 (en) | Method for cleaning | |
| CN201077924Y (en) | Petroleum hydrocarbon dry-cleaning solvent distillation recovery device | |
| EP1216320A1 (en) | Methods and apparatus for conserving vapor and collecting liquid carbon dioxide for carbon dioxide dry cleaning | |
| US1819618A (en) | Device for cleaning, dyeing, drying, and the like | |
| CN2672129Y (en) | Solvent distilling device in dry washing machine | |
| CN2540432Y (en) | Dry recovery device for petroleum solvent of dry-cleaning machine | |
| KR200333073Y1 (en) | Water and dry cleaning machine | |
| RU216334U1 (en) | JET APPARATUS FOR DEVICE FOR EXTRACTION OF SOLVENT RESIDUES FROM SLUDGE LIQUID FORMED WHEN DURING DRY CLEANING OF CLOTHES | |
| CN220379423U (en) | Lubricating oil vacuum oil filter | |
| RU2794022C1 (en) | Method for recovery of organochlorine solvent residues from dry-cleaning sludge waste | |
| KR102039167B1 (en) | Apparatus for purifying cleaning agent, dry cleaning machine with the same, and method for operating the dry cleaning machine | |
| EP2089569B1 (en) | Machine for dry-cleaning articles | |
| CN204589651U (en) | For the distilation system of hydrocarbon dry cleaner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20030319 Termination date: 20100603 |