CN201553912U - Solvent-recovery vacuum distillation device in petroleum solvent dryer - Google Patents
Solvent-recovery vacuum distillation device in petroleum solvent dryer Download PDFInfo
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- CN201553912U CN201553912U CN2009201642490U CN200920164249U CN201553912U CN 201553912 U CN201553912 U CN 201553912U CN 2009201642490 U CN2009201642490 U CN 2009201642490U CN 200920164249 U CN200920164249 U CN 200920164249U CN 201553912 U CN201553912 U CN 201553912U
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Abstract
The utility model discloses a solvent-recovery vacuum distillation device in a petroleum solvent dryer, which includes a solvent storage device, a power device, a heating distillation device, a condensation recovery device and a vacuum-pumping device, wherein an output end of the solvent storage device is connected with a power device, the power device is connected with the heating distillation device, the heating distillation device is connected with a cooling recovery device, and the cooling recovery device is connected with an input end of the solvent storage device, therefore a set of circulation system can be formed. The vacuum-pumping device is connected into the circulation system after connected with the power device, the cooling recovery device and the solvent storage device; and for the implementation, a distillation system is vacuumized, the oxygen content in the distillation area is reduced, the boiling point of petroleum solvent is lowered, and the purpose of safe and easy distillation is achieved.
Description
Technical field
The utility model relates to the solvent recovery unit in the dry cleaner, refers more particularly to use the solvent distillation recovery device of petroleum solvent as cleaning solvent, belongs to the washing machine field.
Background technology
Dry cleaner is irreplaceable because of the specific (special) requirements that it can satisfy clothes washing, development experienced for five generations so far, can be divided into open and closed from its method of operation, can mainly be divided into petroleum dry-washer again from cleaning solvent, tetrachloro-ethylene dry cleaner etc., open machine is as the old model of dry cleaner, because of its solvent not recyclable, waste serious and with high costs, owing to directly contacting environmental pollution with air, it is seriously eliminated gradually again, mostly be callable closed machine in the market, wherein the tetrachloroethylene solvent in the tetrachloro-ethylene dry cleaner is because its relative toxicity is low, Heat stability is good, ability of cleaning greasy dirt is used till today by force always, but because its non-degradable, human body there is harm, atmospheric environment is caused severe contamination and progressively limited use by many countries, dry-clean at present and mainly promote the use of petroleum solvent washing agent as an alternative in the industry.
But the tetrachloro-ethylene dry cleaner adopts the distillation mode more on way of recycling, this mode reclaims more thorough, utilization rate is higher, and the petroleum solvent dry cleaner belongs to inflammable and explosive dangerous solvents because the petroleum solvent flash-point is lower, and the boiling point of petroleum solvent is very high simultaneously, be higher than its flash-point far away, under the normal condition, the distillation boiling point temperature is difficult for reaching and the danger of blasting easily, and therefore traditional tetrachloro-ethylene dry washer still system can't be directly used in the distillation petroleum solvent.Present domestic most petroleum dry-washers that use no Distallation systm, when the washing process solvent is contaminated, generally take the method for natural sedimentation or filtration to clear up, such cleaning effect is very poor, and when cleaning is incomplete, have only the replacing solvent, cause the very high while of cost also can cause certain pollution, simultaneously environment, frequent filtration also can cause filter element filtering to lose efficacy, and increases the filter core replacement cost.In addition, when clearing up, can't effectively remove pigment, smell, bacterium etc., cause solvent cross pollution clothing easily, and may produce peculiar smell by the method for precipitation or filtration.
Summary of the invention
For solving above-mentioned problems of the prior art, the present invention aims to provide a kind of solvent vacuum distillation retracting device that is used for the petroleum solvent dry cleaner.
The thinking that the utility model is dealt with problems is at first Distallation systm to be vacuumized, and reduces the oxygen content of distillation zone, has reduced the boiling point of petroleum solvent simultaneously, thus the purpose that reaches safety, distills easily.
The technical scheme that the utility model is taked is: it mainly comprises solvent storage device, power set, heating distilling device, condensation retracting device, vacuum extractor, described solvent storage device is a solvent tank that places the device bottommost, described solvent tank is divided into cleaning box, work I case, work II case is totally 3 casings; Wherein cleaning box mainly reclaims the clean solvent after the distillation; Described power set are a solvent pump, its input links to each other respectively with three casings in the described solvent storage device via filter by pipeline and can control respectively by three valves on the connecting pipe, the output of power set links to each other with the input of described heating distilling device, described heating distilling device is a distillation case, its output links to each other with the input of condensation retracting device, described condensation retracting device comprises a distiller condenser, one reserve tank that links to each other with distiller condenser and a separator that links to each other with reserve tank, the input of condensation retracting device is located at the porch of distiller condenser, output is located at the exit of separator, the output of described condensation retracting device links to each other with solvent storage device input, forms a circulatory system.
Its operation principle is, pending solvent in the described solvent storage device is connected with the power set solvent pump, and be transported in the heating distilling device by solvent pump, perhaps be discharged in the heating distilling device by filter, liquid solvent is heated evaporation and enters in the condensation retracting device in heating distilling device, cooling condenses into clean liquid solvent and is back to the casing that is used for placing specially clean solvent in the solvent storage device in the condensation retracting device, realizes holding agent constantly recycle in the circulatory system that said apparatus is formed.
Of the present utility model being characterised in that: the utility model is provided with a cover vacuum extractor and links to each other with the above-mentioned circulatory system, described vacuum extractor comprises: a liquid-ring vacuum pump, one heat exchanger, an one pendular ring case and an exhaust canister, described liquid-ring vacuum pump one end links to each other through the import of over-heat-exchanger with the pendular ring case, one end links to each other with the outlet of pendular ring case, the outlet end of described pendular ring case is connected to an exhaust canister, form a cover vacuum extractor, the concrete mode that this device is connected into the above-mentioned circulatory system is, one end of its liquid-ring vacuum pump links to each other by pipeline with reserve tank in the above-mentioned circulatory system, one end of pendular ring case its other end that links to each other with solvent pump in the above-mentioned circulatory system links to each other with solvent tank in the above-mentioned circulatory system, forms path.
Before the above-mentioned circulatory system was carried out processing procedure, elder generation with its state that is evacuated, so just can realize above-mentioned expected effect by vacuum extractor, solved the deficiency in the existing issue.
Feature of the present utility model also is: described liquid-ring vacuum pump adopts petroleum solvent as sealing medium, reduced because the vavuum pump course of work produces spark or discharge is dangerous, so vavuum pump itself has explosion prevention function;
Take the beneficial effect of the technical program to be:
One, owing to be provided with liquid-ring vacuum pump, adopts petroleum solvent, reduced because the vavuum pump course of work produces spark or discharge is dangerous, so vavuum pump itself has explosion prevention function as sealing medium;
Two, before distillation and in the still-process, the distillation zone is vacuumized, greatly reduce the oxygen content of distillation zone, and reduced the boiling point of petroleum solvent, make petroleum solvent lose the external condition and the easier distillation of blast, effectively energy savings;
Three, by distillation, obtain cleaner petroleum solvent, improved clean result, improved CSAT, help popularizing of petroleum solvent dry cleaner;
Four, by distillation, make petroleum solvent obtain the recovery of maximum efficiency, reduced the consumption of petroleum solvent, effectively reduce cost, and reduced pollution environment.
Characteristics of the present utility model and advantage will be elaborated in conjunction with the accompanying drawings by embodiment.
Description of drawings
Fig. 1, be the utility model annexation block diagram;
Fig. 2, be structural representation schematic diagram of the present utility model;
The specific embodiment
Referring to Fig. 1, the utility model mainly comprises solvent storage device, power set, heating distilling device, condensation retracting device, vacuum extractor, wherein the output of solvent storage device links to each other with power set, power set link to each other with heating distilling device, heating distilling device with cool back receiving apparatus and link to each other, the input that cools back receiving apparatus and solvent storage device links to each other, and forms a cover circulatory system.Described vacuum extractor with respectively with power set, cool back the mode that receiving apparatus and solvent storage device link to each other and be connected in the above-mentioned circulatory system.
Referring to Fig. 1, Fig. 2, the utility model comprises a solvent tank 1 that places the device bottommost; This solvent tank 1 is divided into cleaning box 11, work I case 12, and work II case 13 is totally 3 casings; Main clean solvents that reclaim after the distillation of cleaning box 11 wherein, its top have the solvent outlet 72 of a solvent inlet 112 and separator 7 to be connected by pipeline, are provided with overfall between three casings; Work I case and work II case are used for depositing the dirty solvent of washing process, and working box top is provided with air balance mouth 133 and overfall 132; Three lower box are provided with leakage fluid dram A111, leakage fluid dram B121, leakage fluid dram C131, are connected with filter 2 by pipeline, and filter 2 is connected with an end of solvent pump 3, and the other end of solvent pump 3 is connected by the inlet 43 of pipeline with distillation case 4; Distillation case 4 inside are divided into two parts up and down, and top is distillation zone 42, and the bottom is Steam Heating district 41, also are provided with filter cleaning floss hole 44 on the cavity of distillation zone, vacuum breaker air inlet 46, liquid level control switch 48; External steam enters Steam Heating district 41 through distillation steam inlet 411, discharges by steam (vapor) outlet 412; Steam after solvent heats in distillation zone 42 links to each other with distiller condenser 5 by pipeline; There is distillation condenser coil 51 distiller condenser 5 inside, and cooling water enters distillation condenser coil 51 from cooling water inlet 52, discharge from coolant outlet 53, and the cooling water inlet pipeline is provided with temperature controlled water valve 54; The drain pipe of distiller condenser 5 bottoms links to each other with reserve tank 6 inlets by pipeline, and pipeline is provided with pressure vacuum gauge 55 and vacuum pressure controller 56; Reserve tank 6 is provided with suitable for reading that 61, one of fluid level controllers and air intlet 62 join, one with liquid-ring vacuum pump 8 join suitable for reading, a leakage fluid dram that joins with separator 7 (end opening); Separator 7 comprise one with reserve tank join suitable for reading, a liquid outlet that joins with cleaning box 11,73, one profits of discharge of wastewater mouth are surveyed controller 71; Liquid-ring vacuum pump 8 comprises: 83, one cavitation erosion mouths 84 that are connected with exhaust canister 10 of 82, one inlets that are connected with pendular ring case 9 of 81, one outlets that are connected with heat exchanger 20 of an air inlet that is connected with reserve tank 6; In the heat exchanger 20 heat exchanger tube is arranged, join with cooling water inlet 201, coolant outlet 202 respectively, on the cooling water inlet pipeline, be provided with control valve 203 by pipeline; Pendular ring case 9 comprises: a mouth spray 92 that links to each other with solvent pump 3, an exhaust outlet 93 that is connected with exhaust canister 10, an import 91 that is connected with heat exchanger 20, a balance port that is connected with solvent tank 1, a liquid outlet that links to each other with vavuum pump 8, solvent clean-up port, a bottom, a fluid level controller 94.
Its operation principle is, pending solvent in the described solvent storage device is connected with the power set solvent pump, and be transported in the heating distilling device by solvent pump, perhaps be discharged in the heating distilling device by filter, liquid solvent is heated evaporation and enters in the condensation retracting device in heating distilling device, cooling condenses into clean liquid solvent and is back to the casing that is used for placing specially clean solvent in the solvent storage device in the condensation retracting device, realizes holding agent constantly recycle in the circulatory system that said apparatus is formed.
At first Distallation systm is vacuumized during enforcement, reduce the oxygen content of distillation zone, reduced the boiling point of petroleum solvent simultaneously, thus the purpose that reaches safety, distills easily.
Obviously; foregoing is just in order to illustrate characteristics of the present utility model; and be not to restriction of the present utility model, the variation that the those of ordinary skill in relevant technologies field is made in the corresponding techniques field according to the utility model all should belong to protection category of the present utility model.
Claims (2)
1. the solvent vacuum distillation retracting device in the petroleum solvent dry cleaner mainly comprises solvent storage device, power set, heating distilling device, condensation retracting device, vacuum extractor,
It is characterized in that: described solvent storage device is a solvent tank that places the device bottommost, and described solvent tank is divided into cleaning box, work I case, and work II case is totally 3 casings; Described power set are a solvent pump, and its input links to each other respectively with three casings in the described solvent storage device via filter by pipeline; Described condensation retracting device comprises a distiller condenser, a reserve tank that links to each other with distiller condenser and a separator that links to each other with reserve tank;
Being provided with a cover vacuum extractor links to each other with the above-mentioned circulatory system, described vacuum extractor comprises: a liquid-ring vacuum pump, one heat exchanger, an one pendular ring case and an exhaust canister, described liquid-ring vacuum pump one end links to each other through the import of over-heat-exchanger with the pendular ring case, one end links to each other with the outlet of pendular ring case, the outlet end of described pendular ring case is connected to an exhaust canister, form a cover vacuum extractor, the concrete mode that this device is connected into the above-mentioned circulatory system is, one end of its liquid-ring vacuum pump links to each other by pipeline with reserve tank in the above-mentioned circulatory system, one end of pendular ring case links to each other with solvent pump in the above-mentioned circulatory system, its other end links to each other with solvent tank in the above-mentioned circulatory system, forms path.
2. the solvent vacuum distillation retracting device in a kind of petroleum solvent dry cleaner according to claim 1 is characterized in that: described liquid-ring vacuum pump adopts petroleum solvent as sealing medium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201642490U CN201553912U (en) | 2009-07-16 | 2009-07-16 | Solvent-recovery vacuum distillation device in petroleum solvent dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201642490U CN201553912U (en) | 2009-07-16 | 2009-07-16 | Solvent-recovery vacuum distillation device in petroleum solvent dryer |
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| Publication Number | Publication Date |
|---|---|
| CN201553912U true CN201553912U (en) | 2010-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201642490U Expired - Fee Related CN201553912U (en) | 2009-07-16 | 2009-07-16 | Solvent-recovery vacuum distillation device in petroleum solvent dryer |
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| CN (1) | CN201553912U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109970263A (en) * | 2018-03-02 | 2019-07-05 | 柏天劳有限公司 | A kind of purification device |
| CN111577600A (en) * | 2020-05-14 | 2020-08-25 | 吉林北沙制药有限公司 | Be used for vacuum cycle solvent recovery system |
-
2009
- 2009-07-16 CN CN2009201642490U patent/CN201553912U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109970263A (en) * | 2018-03-02 | 2019-07-05 | 柏天劳有限公司 | A kind of purification device |
| CN109970263B (en) * | 2018-03-02 | 2022-10-14 | 柏天劳有限公司 | Purifying device |
| CN111577600A (en) * | 2020-05-14 | 2020-08-25 | 吉林北沙制药有限公司 | Be used for vacuum cycle solvent recovery system |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100818 Termination date: 20150716 |
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| EXPY | Termination of patent right or utility model |