CN213724910U - Novel hydrocarbon solvent cyclic utilization device - Google Patents
Novel hydrocarbon solvent cyclic utilization device Download PDFInfo
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- CN213724910U CN213724910U CN202022521961.0U CN202022521961U CN213724910U CN 213724910 U CN213724910 U CN 213724910U CN 202022521961 U CN202022521961 U CN 202022521961U CN 213724910 U CN213724910 U CN 213724910U
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- hydrocarbon solvent
- waste liquid
- water separator
- condenser
- pipe connection
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Abstract
The utility model discloses a novel hydrocarbon solvent cyclic utilization device, including the distillation plant, be connected with the waste liquid jar on the distillation plant, the distillation plant has an one-level condenser through the pipe connection, the one-level condenser has an one-level liquid collecting tank through the pipe connection, the one-level liquid collecting tank has oil water separator through the pipe connection, the last refrigerating unit that is connected with of oil water separator, oil water separator has the second grade condenser through the pipe connection, the second grade condenser has the vacuum pump through the pipe connection. The utility model has little residual hydrocarbon solvent in the waste liquid, thereby effectively improving the use efficiency of the solvent, reducing the loss of the solvent and reducing the environmental pollution; the cyclic regeneration of the hydrocarbon solvent is realized, the cost is saved, the emission loss is reduced, and the pollution is reduced; the distillation recovery process under the vacuum condition is safer and energy-saving; the waste liquid tank isolates the waste liquid discharge flow from the cleaning work, and the working efficiency of the system is improved.
Description
Technical Field
The utility model relates to an industry washs technical field, specifically is a novel hydrocarbon solvent cyclic utilization device.
Background
In current industrial cleaning applications, the process of recycling hydrocarbon solvents has the following disadvantages: the solvent purification has large energy consumption and low efficiency; the cleaning effect is not completely influenced by the removal of impurities; the steam recovery function is imperfect, and a large amount of solvent is still lost in the discharged waste liquid, which causes solvent waste and environmental pollution.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel hydrocarbon solvent cyclic utilization device to solve the problem among the prior art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel hydrocarbon solvent cyclic utilization device, includes distillation equipment, the last waste liquid jar that is connected with of distillation equipment, distillation equipment has the one-level condenser through the pipe connection, the one-level condenser has one-level collection fluid tank through the pipe connection, the one-level collection fluid tank has oil water separator through the pipe connection, the last refrigerating unit that is connected with of oil water separator, oil water separator has the second grade condenser through the pipe connection, the second grade condenser has the vacuum pump through the pipe connection.
Preferably, the secondary condenser is also connected with a waste liquid tank through a pipeline.
Preferably, the distillation equipment is provided with a liquid inlet, and the oil-water separator is provided with a liquid return port.
Compared with the prior art, the beneficial effects of the utility model are that: the distillation equipment is in a vacuum environment, the boiling point of the solvent is reduced, the distillation equipment is matched with a water area for heating, the safety, the energy consumption and the low efficiency are higher, and the dissolving and cleaning residues of the hydrocarbon solvent are separated by utilizing the difference of the boiling points; a secondary condensation with lower temperature is added, and solvent steam which is not completely condensed in the primary condensation process is collected, so that the recovery is more thorough, and the waste gas is basically free of solvent; the waste liquid tank is arranged, so that high-temperature waste liquid in the distillation equipment can be directly discharged into the waste liquid tank, meanwhile, hydrocarbon steam in the waste liquid tank can be recycled through secondary condensation, and at the moment, the residual hydrocarbon solvent in the waste liquid is little, so that the use efficiency of the solvent is effectively improved, the solvent loss is reduced, and the environmental pollution is reduced; the cyclic regeneration of the hydrocarbon solvent is realized, the cost is saved, the emission loss is reduced, and the pollution is reduced; the distillation recovery process under the vacuum condition is safer and energy-saving; the waste liquid tank isolates the waste liquid discharge flow from the cleaning work, and the working efficiency of the system is improved.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a side view of the present invention.
In the figure: 1. a distillation apparatus; 2. a waste liquid tank; 3. a vacuum pump; 4. a secondary condenser; 5. a first-stage condenser; 6. a first-stage liquid collecting tank; 7. a secondary liquid collecting tank; 8. an oil-water separator; 9. a refrigeration unit.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, in the embodiment of the present invention, a novel hydrocarbon solvent recycling device includes a distillation apparatus 1, a waste liquid tank 2 is connected to the distillation apparatus 1, the distillation apparatus 1 is connected to a first-stage condenser 5 through a pipeline, the first-stage condenser 5 is connected to a first-stage liquid collecting tank 6 through a pipeline, the first-stage liquid collecting tank 6 is connected to an oil-water separator 8 through a pipeline, a refrigerating unit 9 is connected to the oil-water separator 8, the oil-water separator 8 is connected to a second-stage condenser 4 through a pipeline, the second-stage condenser 4 is connected to a vacuum pump 3 through a pipeline, the second-stage condenser 4 is further connected to the waste liquid tank 2 through a pipeline, a liquid inlet is provided on the distillation apparatus 1, and a liquid return port is provided on the oil-water separator 8; the hydrocarbon solvent to be cleaned is heated in vacuum by the distillation equipment 1, the hydrocarbon solvent is separated and extracted by utilizing the difference of boiling points, and the boiling point of the solution is reduced along with the reduction of pressure, so that the solvent can be boiled by providing less heat in a vacuum environment, and the energy can be effectively saved; the hydrocarbon solvent is preliminarily cooled and collected to an oil-water separator 8 through a first-stage condenser 5 and a first-stage liquid collecting tank 6, the solvent which is not completely collected in the process can be further cooled and collected to the oil-water separator through a second-stage condenser 4 and a second-stage liquid collecting tank 7, and the second-stage condenser 4 belongs to an extremely cold device; further extracting and recovering the solvent by an oil-water separator 8 by utilizing density difference; distillation residue in the distillation equipment 1 can be discharged to the waste liquid tank 2 in advance and then is discharged, so that the waste liquid is not required to be discharged after the temperature is reduced to a proper temperature in the distillation equipment 1, other work of a distillation system is not influenced, the waste liquid tank 2 is communicated to the secondary condenser 4, hydrocarbon solvent steam can be further extracted, and the hydrocarbon solvent is recovered to the maximum extent.
The utility model discloses a theory of operation is: the hydrocarbon solvent to be cleaned is heated by distillation equipment under a vacuum condition, the hydrocarbon solvent is separated and extracted by utilizing the difference of boiling points, and the boiling point of the solution is reduced along with the reduction of pressure, so that the solvent can be boiled by providing less heat under the vacuum environment, and the energy can be effectively saved; the hydrocarbon solvent is preliminarily cooled and collected to an oil-water separator through a first-stage condenser and a first-stage liquid collecting tank, the solvent which is not completely collected in the process can be further cooled and collected to the oil-water separator through a second-stage condenser and a second-stage liquid collecting tank, and the second-stage condenser belongs to extremely cold equipment; further extracting and recovering the solvent by an oil-water separator by utilizing density difference; distillation residue in the distillation equipment can be discharged to the waste liquid tank in advance and then is discharged, so that the waste liquid is not required to be discharged after the temperature is reduced to a proper temperature in the distillation equipment, other work of the distillation system is not influenced, the waste liquid tank is communicated to the secondary condenser, hydrocarbon solvent steam can be further extracted, and the hydrocarbon solvent is recovered to the maximum extent.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. The utility model provides a novel hydrocarbon solvent cyclic utilization device, includes distillation plant (1), its characterized in that: the distillation equipment is characterized in that a waste liquid tank (2) is connected to the distillation equipment (1), a primary condenser (5) is connected to the distillation equipment (1) through a pipeline, a primary liquid collecting tank (6) is connected to the primary condenser (5) through a pipeline, an oil-water separator (8) is connected to the primary liquid collecting tank (6) through a pipeline, a refrigerating unit (9) is connected to the oil-water separator (8), a secondary condenser (4) is connected to the oil-water separator (8) through a pipeline, and a vacuum pump (3) is connected to the secondary condenser (4) through a pipeline.
2. The novel hydrocarbon solvent recycling device as claimed in claim 1, wherein: the secondary condenser (4) is also connected with the waste liquid tank (2) through a pipeline.
3. The novel hydrocarbon solvent recycling device as claimed in claim 1, wherein: the distillation equipment (1) is provided with a liquid inlet, and the oil-water separator (8) is provided with a liquid return port.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202022521961.0U CN213724910U (en) | 2020-11-04 | 2020-11-04 | Novel hydrocarbon solvent cyclic utilization device |
Applications Claiming Priority (1)
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CN202022521961.0U CN213724910U (en) | 2020-11-04 | 2020-11-04 | Novel hydrocarbon solvent cyclic utilization device |
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CN213724910U true CN213724910U (en) | 2021-07-20 |
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CN202022521961.0U Active CN213724910U (en) | 2020-11-04 | 2020-11-04 | Novel hydrocarbon solvent cyclic utilization device |
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2020
- 2020-11-04 CN CN202022521961.0U patent/CN213724910U/en active Active
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