CN102380222B - Organic solvent recycling system - Google Patents
Organic solvent recycling system Download PDFInfo
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- CN102380222B CN102380222B CN201110341955.XA CN201110341955A CN102380222B CN 102380222 B CN102380222 B CN 102380222B CN 201110341955 A CN201110341955 A CN 201110341955A CN 102380222 B CN102380222 B CN 102380222B
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Abstract
The invention relates to an organic solvent recycling system. The recycling system comprises a solvent supplying device (20), a volatilizing device (40), a solvent recycling device (70), a carrier gas supplying device (50) and a heat recycling device, wherein the solvent supplying device (20) is used for supplying a mixture containing an organic solvent; the volatilizing device (40) is used for receiving the mixture input by the solvent supplying device (20) and volatilizing the organic solvent in the mixture; the solvent recycling device (70) is used for receiving the organic solvent volatilized by the volatilizing device (40) and condensing and recycling the organic solvent; the carrier gas supplying device (50) is used for inputting a carrier gas into the volatilizing device (40); the heat recycling device is connected with the solvent recycling device (70) and comprises a first heat exchanger (56), a compressor (83) and a second heat exchanger (71) which are sequentially connected to form a loop; the heat recycling device also comprises a refrigerant in the loop; the second heat exchanger (71) is mounted on the solvent recycling device (70) and used for condensing the organic solvent; and the first heat exchanger (56) is mounted on the carrier gas supplying device (50) and used for heating the carrier gas. The recycling system recycles the heat and is more environmentally-friendly.
Description
[technical field]
The present invention relates to recovery system, more particularly, relate to the recovery system of organic solvent.This recovery system is particularly useful for the fields such as laboratory, dry cleaner.
[background technology]
Organic solvent tool has been widely used, such as the extraction for object, dissolved impurity, cleaning clothes etc.After organic solvent is used, form mixture with various impurity, or form mixture with different types of organic matter.A kind of existing method that reclaims organic solvent from mixture is: mixture is heated, make organic solvent volatilization, then volatilized organic solvent is collected and condensation.This kind of method need to consume heat and produce heat, environmental protection not.
[summary of the invention]
One object of the present invention provides a kind of recovery system that is applicable to reclaim organic solvent of environmental protection.This recovery system comprises: solvent supplying apparatus, for supplying with the mixture that contains organic solvent; Volatilization device, for receiving the mixture of solvent supplying apparatus input, and the organic solvent volatilizing in described mixture; Solvent recovery unit, for receiving the organic solvent of volatilization device volatilization, and the organic solvent of described volatilization is reclaimed in condensation; Carrier gas feedway, for inputting carrier gas to described volatilization device; The heat reclamation device being connected with solvent recovery unit, the transfer of heat producing when by described organic solvent condensate is to described carrier gas feedway and heat carrier gas.
As a modification of the present invention, described carrier gas feedway comprises air inlet pipe, First Heat Exchanger and carrier gas supply pipe, the carrier gas heating of described First Heat Exchanger to air inlet pipe input, and by carrier gas supply pipe, the carrier gas after heating is transported to described volatilization device; The transfer of heat that described heat reclamation device produces described solvent recovery unit is to described First Heat Exchanger.
As a modification of the present invention, described heat reclamation device comprises the second heat exchanger and the compressor that is linked to be loop with described First Heat Exchanger, is also included in the refrigerant in described loop; Described the second heat exchanger is installed to the organic solvent of described solvent recovery unit for volatilizing described in condensation.
As a modification of the present invention, described carrier gas feedway also comprises: the triple valve that is installed to air inlet pipe; Be connected in series the bypass pipe of described triple valve and described carrier gas supply pipe, for First Heat Exchanger described in bypass.
As a modification of the present invention, described solvent recovery unit comprises the second heat exchanger and collector, described the second heat exchanger receive and condensation described in the organic solvent that volatilizees, described collector is collected described condensed organic solvent; The transfer of heat that described heat reclamation device produces described the second heat exchanger and compressor is to described carrier gas feedway.
As a modification of the present invention, described heat reclamation device comprises compressor and the First Heat Exchanger that connects into loop with described the second heat exchanger, is also included in the refrigerant in described loop; Described First Heat Exchanger is installed to described carrier gas feedway for heating described carrier gas.
As a modification of the present invention, described heat reclamation device comprises First Heat Exchanger, compressor and the second heat exchanger that connects in turn loop, is also included in the refrigerant in described loop; Described First Heat Exchanger is installed to described carrier gas feedway for heating described carrier gas, described the second heat exchanger is installed to the organic solvent of described solvent recovery unit for volatilizing described in condensation, and the transfer of heat that described refrigerant produces described the second heat exchanger and compressor is to described First Heat Exchanger.
As a modification of the present invention, described volatilization device comprises: volatilization pond, for receiving the mixture of described solvent supplying apparatus input and the carrier gas of carrier gas feedway input; Attemperating unit, for controlling the temperature in described volatilization pond.
As a modification of the present invention, described solvent supplying apparatus comprises measuring pump, be connected to the input pipe of measuring pump entrance point, be connected to the supply pipe of the measuring pump port of export, and described supply pipe is for carrying described mixture to described volatilization device.
As a modification of the present invention, described solvent supplying apparatus also comprises: the triple valve that is installed to described supply pipe; The gaseous solvent input pipe that is connected to described triple valve, gaseous solvent input pipe is communicated to described volatilization device by described triple valve, supply pipe.
Recovery system of the present invention delivers the organic solvent of volatilization by carrier gas, reclaim the organic solvent volatilizing, and by heat reclamation device, the heat of solvent recovery unit is recycled by heat exchanger condensation, has saved the energy, more environmental protection.
[accompanying drawing explanation]
Fig. 1 is the schematic diagram of the recovery system that provides of the present invention's one example;
Fig. 2 is the schematic diagram of the solvent supplying apparatus of recovery system shown in Fig. 1;
Fig. 3 is the schematic diagram of the volatilization device of recovery system shown in Fig. 1;
Fig. 4 is the schematic diagram of the carrier gas feedway of volatilization device shown in Fig. 3;
Fig. 5 is the solvent recovery unit of recovery system shown in Fig. 1 and the schematic diagram of heat reclamation device;
Fig. 6 is the general assembly drawing of each device shown in Fig. 2 to Fig. 5.
[specific embodiment]
With reference to figure 1, recovery system provided by the invention comprises solvent supplying apparatus 20, volatilization device 40 and solvent recovery unit 70.Wherein, solvent supplying apparatus 20 can be liquid for the mixture that contains organic solvent, this mixture are provided to recovery system, can be also gas.Volatilization device 40 is for the specific organic solvent of the mixture that volatilizees.Solvent recovery unit 70 receives the organic solvent volatilizing, and this organic solvent is carried out to condensation and recovery.
With reference to figure 2, solvent supplying apparatus 20 comprises measuring pump 22, is installed to the input pipe 21 of measuring pump arrival end, is installed to the efferent duct 23 of the measuring pump port of export and the supply pipe 29 being communicated with efferent duct 23.The entrance of input pipe 21 is provided with and filters muzzle 21a, filters muzzle 21a as a kind of coarse filtration device, for filtering out the impurity particle of mixture.Input pipe 21 is also provided with filtration bottom valve 21b and carries out secondary filter, further the organic solvent of supplying with is carefully filtered.From the efferent duct 23 of measuring pump 22 liquefied mixture out, via supply pipe 29, be transported to volatilization device 40, as shown in arrow A in Fig. 2 and arrow C.
Preferably, triple valve 28, one gaseous solvent input pipes 27 are installed between efferent duct 23 and supply pipe 29 and are connected to triple valve 28, and be communicated with supply pipe 29 by triple valve 28, as shown in arrow B in Fig. 2 and arrow C.At present, part instrument has rotary evaporator, has external pipeline.In this kind of situation, can by input pipe 27, connect the external pipeline of instrument, increase the versatility of this recovery system.
With reference to figure 3, volatilization device 40 has volatilization pond 41 and attemperating unit 43.Volatilization pond 41 receives the mixture of supply pipe 29 inputs.Attemperating unit 43 comprises heater and insulation material, and heater heats volatilization pond 41, and material is incubated volatilization pond 41, to control the temperature in volatilization pond 41, controls the volatilization of organic solvent.
In this example, this recovery system also has carrier gas feedway 50, and carrier gas feedway 50 passes through supply pipe 59 to volatilization pond 41 delivery of carrier gas, as shown in the arrow F of Fig. 3.Preferably, supply pipe 29 and 59 the port of export are immersed in the liquefied mixture in volatilization pond 41, to promote the volatilization of organic solvent.The organic matter volatilizing is transported to solvent recovery unit 70 by efferent duct 49, as shown in the arrow G of Fig. 3.
Preferably, volatilization device 40 can also comprise voltage operated device, for controlling the pressure in volatilization pond 41.
Preferably, this recovery system can also comprise automaton, at automaton, comprises temperature sensor, pressure transducer, liquid level detector etc., for temperature, pressure and the liquid level in automatically monitoring volatilization pond 41.Automaton with attemperating unit, voltage operated device, coordinate, automatically keep temperature, pressure and liquid level in volatilization pond 41.For example, in liquid level, during lower than preset value, automatically start measuring pump 22, to volatilization pond 41, pump into the mixture of the organic solvent of scheduled volume.
With reference to figure 4, carrier gas feedway 50 comprises air pump 52, be installed to the air inlet pipe 51 of air pump entrance point, be installed to escape pipe 53 and the First Heat Exchanger 56 of the air pump port of export.The air inlet pipe 55 of First Heat Exchanger 56 is communicated with the escape pipe 53 of air pump, and the escape pipe 57 of First Heat Exchanger 56 is communicated with supply pipe 59.When First Heat Exchanger 56 is flowed through in carrier gas, by First Heat Exchanger 56, heated.Carrier gas after heating enters volatilization pond 41 by supply pipe 59, contacts fully and heat exchange, thereby has promoted volatilization and the delivery of organic solvent, with the mixture of volatilization in pond 41 as shown in the arrow D of Fig. 4, arrow E, arrow E 2, arrow E 3 and arrow F.
Preferably, between the escape pipe 53 of air pump 52 and the air inlet pipe 55 of First Heat Exchanger 56, triple valve 54 is installed.One bypass pipe 58 serial connection triple valves 54 and carrier gas supply pipe 59, for bypass First Heat Exchanger 56.In this design, (for example boiling point of organic solvent) selects the transport path of carrier gas as the case may be.For example, need accurate separated organic mixture in order to volatilize, bypass pipe 58 can be directly passed through in carrier gas, supply pipe 59 enters volatilization pond 41, as shown in the arrow E 1 of Fig. 4 and F.
Preferably, the air inlet pipe 51 of air pump 52 is provided with filters muzzle 51a and filters bottom valve 51b, to filter the impurity in carrier gas, improves the purity of carrier gas.
With reference to figure 5, solvent recovery unit 70 comprises that the second heat exchanger 71 and collector 73, the second heat exchangers 71 receive by supply pipe 49 organic solvent that volatilization pond 41 evaporates, and this organic solvent of condensation.Collector 73 is connected with the second heat exchanger 71, for collecting condensed organic solvent.
With reference to figure 4, to Fig. 6, this recovery system also comprises heat reclamation device, and described heat reclamation device comprises compressor 83 and for First Heat Exchanger 56, the second heat exchanger 71 and compressor being connected into pipeline 81,85,87 of loop etc.In this loop, have refrigerant, refrigerant is under the effect of compressor 83, and the transfer of heat that the second heat exchanger 71 and compressor 83 self acting is produced is to First Heat Exchanger 56.Specifically, in the second heat exchanger 71, the heat of organic solvent is absorbed by refrigerant, has promoted the condensation of organic solvent; In First Heat Exchanger 56, the heat of refrigerant is absorbed by carrier gas, has realized recycling of heat, has saved the energy, as shown in arrow H1, the H2 of Fig. 5 and H3.
The recovery system of organic solvent provided by the invention is particularly useful for reclaiming organic matter from following three kinds of mixtures:
(1) mixture of the low molecule inorganic compound of organic solvent and higher boiling, for example mixture of tetrachloro-ethylene, ether, acetone, toluene and dyestuff;
(2) boiling point (or condensation point) has the mixture of the organic solvent of 5 degrees Celsius of above differences;
(3) mixture of organic solvent and impurity, for example mixture of tetrachloro-ethylene and fiber fragment.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. the recovery system of organic solvent, comprising:
For supplying with the solvent supplying apparatus (20) of the mixture that contains organic solvent;
Be connected with described solvent supplying apparatus (20) for receiving the volatilization device (40) of the organic solvent of described mixture and the described mixture that volatilizees;
Be connected with described volatilization device (40) for receiving the organic solvent of described volatilization and the solvent recovery unit (70) of the organic solvent that described volatilization is reclaimed in condensation;
It is characterized in that, described recovery system also comprises:
Be connected with described volatilization device (40) for the carrier gas feedway (50) to described volatilization device (40) input carrier gas;
Be connected the transfer of heat that produces when by described organic solvent condensate with solvent recovery unit (70) to described carrier gas feedway (50) and heat the heat reclamation device of carrier gas.
2. recovery system according to claim 1, is characterized in that:
Described carrier gas feedway (50) comprises air inlet pipe (55), First Heat Exchanger (56) and carrier gas supply pipe (59), the carrier gas heating of described First Heat Exchanger (56) to air inlet pipe (55) input, and by carrier gas supply pipe (59), the carrier gas after heating is transported to described volatilization device (40);
The transfer of heat that described heat reclamation device produces described solvent recovery unit (70) is to described First Heat Exchanger (56).
3. recovery system according to claim 2, is characterized in that, described heat reclamation device comprises the second heat exchanger (71) and the compressor (83) that is linked to be loop with described First Heat Exchanger (56), is also included in the refrigerant in described loop;
Described the second heat exchanger (71) is installed to the organic solvent of described solvent recovery unit (70) for volatilizing described in condensation.
4. according to the recovery system described in claim 2 or 3, it is characterized in that, described carrier gas feedway (50) also comprises:
Be installed to the triple valve (54) of air inlet pipe (55);
Be connected in series the bypass pipe (58) of described triple valve (54) and described carrier gas supply pipe (59), for First Heat Exchanger described in bypass (56).
5. recovery system according to claim 1, is characterized in that:
Described solvent recovery unit (70) comprises the second heat exchanger (71) and collector (73), described the second heat exchanger (71) receive and condensation described in the organic solvent that volatilizees, described collector (73) is collected described condensed organic solvent;
The transfer of heat that described heat reclamation device produces described the second heat exchanger (71) and compressor (83) is to described carrier gas feedway (50).
6. recovery system according to claim 5, is characterized in that, described heat reclamation device comprises compressor (83) and the First Heat Exchanger (56) that connects into loop with described the second heat exchanger (71), is also included in the refrigerant in described loop;
Described First Heat Exchanger (56) is installed to described carrier gas feedway (50) for heating described carrier gas.
7. recovery system according to claim 1, is characterized in that:
Described heat reclamation device comprises First Heat Exchanger (56), compressor (83) and the second heat exchanger (71) that connects in turn loop, is also included in the refrigerant in described loop;
Described First Heat Exchanger (56) is installed to described carrier gas feedway (50) for heating described carrier gas, described the second heat exchanger (71) is installed to the organic solvent of described solvent recovery unit (70) for volatilizing described in condensation, and the transfer of heat that described refrigerant produces described the second heat exchanger (71) and compressor work is to described First Heat Exchanger (56).
8. recovery system according to claim 1, is characterized in that, described volatilization device (40) comprising:
Volatilization pond (41), for receiving the mixture of described solvent supplying apparatus (20) input and the carrier gas of carrier gas feedway (50) input;
Attemperating unit (43), for controlling the temperature in described volatilization pond (41).
9. recovery system according to claim 1, it is characterized in that, described solvent supplying apparatus (20) comprises measuring pump (22), be connected to the input pipe (21) of measuring pump entrance point, be connected to the supply pipe (29) of the measuring pump port of export, and described supply pipe (29) is for carrying described mixture to described volatilization device (40).
10. recovery system according to claim 9, is characterized in that, described solvent supplying apparatus (20) also comprises:
Be installed to the triple valve (28) of described supply pipe (29);
Be connected to the gaseous solvent input pipe (27) of described triple valve (28), gaseous solvent input pipe (27) is communicated to described volatilization device (40) by described triple valve (28), supply pipe (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110341955.XA CN102380222B (en) | 2011-11-02 | 2011-11-02 | Organic solvent recycling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110341955.XA CN102380222B (en) | 2011-11-02 | 2011-11-02 | Organic solvent recycling system |
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| Publication Number | Publication Date |
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| CN102380222A CN102380222A (en) | 2012-03-21 |
| CN102380222B true CN102380222B (en) | 2014-02-12 |
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| CN201110341955.XA Active CN102380222B (en) | 2011-11-02 | 2011-11-02 | Organic solvent recycling system |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103272391B (en) * | 2013-05-23 | 2015-05-20 | 肥城金塔机械有限公司 | Recovery device for solvents |
| CN109332361A (en) * | 2018-11-22 | 2019-02-15 | 宁波大安化学工业有限公司 | A kind of environment-friendly processing unit and method of the cellulose waste containing organic solvent |
| CN112403007B (en) * | 2020-12-05 | 2023-10-27 | 高云芝 | Method for purifying and volatilizing liquid in multiple stages |
| CN112403008B (en) * | 2020-12-05 | 2023-10-27 | 高云芝 | Liquid heating multistage purification process |
| CN113413629B (en) * | 2021-07-01 | 2022-04-19 | 合肥工业大学 | Organic solvent separation device and system method for flat panel display based on condensation method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4365480A (en) * | 1978-09-05 | 1982-12-28 | United Air Specialists, Inc. | Process gas treating apparatus |
| CN2788889Y (en) * | 2005-03-10 | 2006-06-21 | 江苏南方涂装环保股份有限公司 | High concentrated organic solvent purifying recovering device |
| CN2858039Y (en) * | 2005-12-12 | 2007-01-17 | 成晓航 | Organic solvent recovery device |
| EP2057928A2 (en) * | 2007-11-09 | 2009-05-13 | MEIKO Maschinenbau GmbH & Co. KG | Dishwasher with latent heat reservoir |
| CN102065980A (en) * | 2009-08-18 | 2011-05-18 | 东洋纺织株式会社 | Organic solvent recovery system |
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2011
- 2011-11-02 CN CN201110341955.XA patent/CN102380222B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4365480A (en) * | 1978-09-05 | 1982-12-28 | United Air Specialists, Inc. | Process gas treating apparatus |
| CN2788889Y (en) * | 2005-03-10 | 2006-06-21 | 江苏南方涂装环保股份有限公司 | High concentrated organic solvent purifying recovering device |
| CN2858039Y (en) * | 2005-12-12 | 2007-01-17 | 成晓航 | Organic solvent recovery device |
| EP2057928A2 (en) * | 2007-11-09 | 2009-05-13 | MEIKO Maschinenbau GmbH & Co. KG | Dishwasher with latent heat reservoir |
| CN102065980A (en) * | 2009-08-18 | 2011-05-18 | 东洋纺织株式会社 | Organic solvent recovery system |
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| CN102380222A (en) | 2012-03-21 |
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Address after: 510220 Caofengwei 35 No. 2, Binjiang Middle Road, Haizhu District, Guangzhou City, Guangdong Province Patentee after: Guangzhou fiber product detects research institute Address before: 510220 Caofengwei 35 No. 2, Binjiang Middle Road, Haizhu District, Guangzhou City, Guangdong Province Patentee before: Guangzhou Fibre Product Testing Institute |
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