CN221084683U - Distillation plant is used in solvent recovery - Google Patents
Distillation plant is used in solvent recovery Download PDFInfo
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- CN221084683U CN221084683U CN202322852305.2U CN202322852305U CN221084683U CN 221084683 U CN221084683 U CN 221084683U CN 202322852305 U CN202322852305 U CN 202322852305U CN 221084683 U CN221084683 U CN 221084683U
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- Prior art keywords
- distillation
- downturned
- solvent recovery
- pipeline
- tail
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- 239000002904 solvent Substances 0.000 title claims abstract description 50
- 238000004821 distillation Methods 0.000 title claims abstract description 47
- 238000011084 recovery Methods 0.000 title claims abstract description 25
- 238000007789 sealing Methods 0.000 claims abstract description 18
- 239000011229 interlayer Substances 0.000 claims abstract description 14
- 238000010438 heat treatment Methods 0.000 claims abstract description 10
- 238000009833 condensation Methods 0.000 claims description 6
- 230000005494 condensation Effects 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims 2
- 238000003780 insertion Methods 0.000 claims 2
- 238000000926 separation method Methods 0.000 abstract description 5
- 238000009835 boiling Methods 0.000 description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- 239000012046 mixed solvent Substances 0.000 description 10
- 239000007789 gas Substances 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 239000002826 coolant Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model relates to the technical field of solvent recovery, and particularly discloses a distillation device for solvent recovery, which comprises a heating device and a distillation flask, wherein an air outlet on the distillation flask is connected with a section-number-adjustable condensing tube group, the end part of the section-number-adjustable condensing tube group is connected with a tail collector, the section-number-adjustable condensing tube group comprises at least one downturned pipeline, the outer surface of each downturned pipeline is provided with a circulating interlayer, the two ends of the circulating interlayer are respectively provided with an inlet and an outlet, the bottommost end of the downturned pipeline is connected with a discharge opening, a middle collector is arranged below the discharge opening, the left end and the right end of the downturned pipeline are respectively provided with a sealing plug part which is matched with each other, and the two adjacent downturned pipelines are connected end to end through the sealing plug parts; the distillation device effectively realizes the separation and the one-by-one recovery of various solvents, can adjust the connection quantity of the downturned pipelines according to actual demands so as to be suitable for the recovery of the solvents under various different conditions, and has wider application range.
Description
Technical Field
The utility model relates to the technical field of solvent recovery, and particularly discloses a distillation device for solvent recovery.
Background
Because of the large number of laboratory solvents used, the large number of types of solvents, some solvents only mixed with one or more other solvents, and the solvents cannot be used, and finally are poured out, so that resources are wasted, and the solvents are generally separated by distilling under normal pressure under the condition that the solvents are less than two.
For example, patent number 2020224496550 discloses a solvent recovery distillation apparatus, which comprises a bottom plate, wherein one end of the upper end surface of the bottom plate is fixedly provided with a support A, the position of the outer surface of the support A, which is close to the lower end, is provided with a horizontal support A, the upper part of the horizontal support A is provided with a horizontal support B, the top end of the horizontal support B is provided with a distillation flask, the lower part of the horizontal support A is provided with an alcohol lamp, the upper part of the distillation flask is provided with a distillation tube, the top end of the distillation tube is provided with a bent tube, one side of the distillation tube is fixedly provided with a U-shaped tube, the position of the U-shaped tube, which is close to the top end, is provided with a valve, and the other side of the distillation tube is provided with a condensation tube. The solvent recovery distillation device disclosed in the patent can only distill and separate the mixed solution of not more than two solvents, thereby achieving the solvent recovery effect, and can not distill and recover the mixed solution of more than three solvents. Based on the above, the utility model provides a device for separating multiple solvents with variable convenience, so as to realize separation and recovery of the multiple solvents, reduce resource waste and realize maximization of resource utilization.
Disclosure of utility model
The utility model aims to provide a distillation device for recovering solvents, so as to realize separation and recovery of more than two solvents, reduce resource waste and realize maximization of resource utilization.
The utility model is realized by the following technical scheme:
The distillation device for solvent recovery comprises a heating device and a distillation flask, wherein an air outlet on the distillation flask is connected with a section-number-adjustable condensing tube group, and the end part of the section-number-adjustable condensing tube group is connected with a tail collector;
The condensing tube group with adjustable the number of sections comprises at least one downturn type pipeline, a circulating interlayer is arranged on the outer surface of each downturn type pipeline, an inlet and an outlet are respectively arranged at two ends of the circulating interlayer, a discharge outlet is connected to the bottommost end of each downturn type pipeline, a middle collector is arranged below the discharge outlet, sealing plug-in parts matched with each other are arranged at the left end and the right end of each downturn type pipeline, and two adjacent downturn type pipelines are connected end to end through the sealing plug-in parts.
As a further arrangement of the above solution, the downturned pipe is V-shaped or U-shaped.
As a further arrangement of the scheme, the left end and the right end of the downward-bending pipeline are horizontally arranged, the sealing plug-in connection part is a narrow opening and a wide opening which are arranged at the left end and the right end of the downward-bending pipeline, and the narrow opening and the wide opening are in sealing plug-in connection.
As a further arrangement of the scheme, the distillation flask is arranged in the heating device, a tee joint is arranged at the upper end of the air outlet of the distillation flask, the top end of the tee joint is arranged in a sealing manner, and the side end of the tee joint is in sealing connection with the end part of the downward-bent pipeline.
As a further arrangement of the scheme, the distillation flask is provided with an air inlet which is connected with the air supply device.
As a further arrangement of the scheme, the tail end of the section-number adjustable condensing tube group is connected with a tail connecting pipe, and the end part of the tail connecting pipe is connected with a tail collector.
Compared with the prior art, the utility model has the following beneficial effects:
In the process of separating and recovering various mixed solvents, the distillation device for recovering the solvents selects the corresponding quantity of the downturned pipelines according to the quantity of the solvents in the mixed solvents to be connected in a head-to-tail sealing mode, and then a cooling medium with corresponding temperature is introduced into each circulating interlayer according to the boiling point of each solvent in the mixed solvents, so that the evaporating gas of the mixed solvents can be condensed and separated in the downturned pipelines in sequence, and the separated evaporating gas is discharged from a discharge port to be recovered. The whole distillation device effectively realizes the separation of various solvents and carries out one-by-one recovery, and the connection quantity of the downturned pipelines can be adjusted according to actual demands so as to be suitable for the recovery of the solvents under various different conditions, thereby having wider application range.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic plan view of the present utility model;
FIG. 2 is a schematic view of a planar structure of a down-turned pipeline, a circulating interlayer and the like in the utility model.
Detailed Description
In order that those skilled in the art will better understand the present application, a technical solution in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, shall fall within the scope of the present application.
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will now be described in detail with reference to the accompanying figures 1-2, in conjunction with examples.
Example 1
Embodiment 1 discloses a distillation apparatus for solvent recovery, referring to fig. 1, comprising a heating apparatus 1 and a distillation flask 2, wherein the heating apparatus 1 may be in the form of water bath heating, oil bath heating, or alcohol lamp, so long as the distillation flask 2 can be heated to evaporate the liquid therein. The specific distillation flask 2 is a two-port distillation flask, wherein one of the two distillation flasks is an air inlet 3, and the other one is an air outlet. An air supply device (not shown) is connected to the air inlet 3, and nitrogen can be blown into the distillation flask 2 by the air supply device, and then the evaporated solvent gas can be discharged from the air outlet under the action of the nitrogen.
A tee joint 4 is inserted in the air outlet of the distillation flask 2 in a sealing way, the upper end of the tee joint 4 is sealed by a plug, and a condensation pipe group with adjustable number of joints is detachably connected to the side end. The condensation tube set with adjustable number of sections comprises at least one downturned pipeline 5, two downturned pipelines 5 are arranged in the illustration, the shape of the downturned pipeline 5 is V-shaped, and the downturned pipeline 5 can be designed into U-shaped.
The outer surface of each downturned pipeline 5 is provided with a circulating interlayer 6, two ends of the circulating interlayer 6 are respectively provided with an inlet and an outlet, and then condensing mediums with different temperatures can be introduced into different downturned pipelines 5 through the inlet and the outlet. The lowest end of each downturned pipeline is connected with a discharge port 7, a corresponding valve is arranged on the discharge port 7, then an intermediate collector 8 is arranged below the discharge port 7, and different solvents are recovered through the intermediate collectors 8 below different downturned pipelines 5.
Referring to fig. 2, the left and right ends of the down-bent pipe 5 are respectively provided with a narrow opening 9 and a wide opening 10 which are horizontally designed, and a sealing plug-in part for connecting two adjacent down-bent pipes 5 is formed under the sealing plug-in action between the narrow opening 9 and the wide opening 10, so that a plurality of down-bent pipes 5 can be in head-tail sealing connection in sequence through the sealing plug-in part.
Finally, a tail pipe 11 is connected to the end of the node-number adjustable condensing pipe group (namely, the tail end downturned pipeline 5), and then a tail collector 12 is connected to the lower end of the tail pipe 11. The tail pipe 11 is provided with an exhaust end, and when the mixed tail gas enters the tail collector 12, the solvent vapor is liquefied, and then the nitrogen is discharged through the exhaust end of the tail pipe 11.
When the distillation device for solvent recovery disclosed in this embodiment is used for recovering three mixed solvents, the mixed solvents in the distillation flask 2 are heated by the heating device 1 to evaporate the mixed solvents, and then nitrogen is introduced into the distillation flask 2 through the air inlet 3, so that the evaporated solvent gas is added under the action of the nitrogen to enter the condensation tube group with adjustable number of sections.
And (3) separating the boiling points of the solvents according to the requirements in the node-number-adjustable condensing tube group, and sequentially introducing cooling mediums with corresponding temperatures into the circulating interlayers 6 on the corresponding downturned pipelines 5. Wherein the temperature of the cooling medium introduced into the circulating interlayer 6 closest to the distillation flask 2 is lower than the boiling point of the solvent with the highest boiling point in the mixed solvent and higher than the boiling point of the solvent with the second highest boiling point, so that the solvent with the highest boiling point is condensed and recovered in the downturned pipeline 5; the temperature of the cooling medium introduced into the middle circulating interlayer 6 is lower than the boiling point of the solvent with the second high boiling point and higher than the boiling point of the solvent with the third high boiling point, so that the solvent with the second high boiling point is condensed and recovered in the lower bent pipeline 5; finally, the uncondensed solvent vapor enters the tail collector 12 through the tail pipe 11.
When four or more mixed solvents are required to be separated and recovered, the number of the downturned pipelines 5 in the section-number-adjustable condensing tube group is directly increased, and then the temperature of cooling medium introduced into each circulating interlayer 6 is correspondingly controlled, so that the separation and recovery of more mixed solvents can be realized.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (6)
1. The distillation device for solvent recovery comprises a heating device and a distillation flask, and is characterized in that an air outlet on the distillation flask is connected with a section-number-adjustable condensation pipe group, and the end part of the section-number-adjustable condensation pipe group is connected with a tail collector;
The condensing tube group with adjustable the number of sections comprises at least one downturn type pipeline, a circulating interlayer is arranged on the outer surface of each downturn type pipeline, an inlet and an outlet are respectively arranged at two ends of the circulating interlayer, a discharge outlet is connected to the bottommost end of each downturn type pipeline, a middle collector is arranged below the discharge outlet, sealing plug-in parts matched with each other are arranged at the left end and the right end of each downturn type pipeline, and two adjacent downturn type pipelines are connected end to end through the sealing plug-in parts.
2. The distillation apparatus for solvent recovery according to claim 1 wherein the down-turned pipe is V-shaped or U-shaped.
3. The distillation apparatus for solvent recovery according to claim 1 wherein the left and right ends of the down-turned pipe are horizontally disposed, the sealing insertion portion is a narrow opening and a wide opening disposed at the left and right ends of the down-turned pipe, and the sealing insertion portion is inserted between the narrow opening and the wide opening.
4. The distillation apparatus for solvent recovery according to claim 1, wherein the distillation flask is provided in the heating device, a tee is provided at an upper end of an air outlet of the distillation flask, a top end of the tee is provided in a sealed manner, and a side end of the tee is in a sealed connection with an end of the downturned pipe.
5. The distillation apparatus for solvent recovery according to claim 1 wherein an air inlet is provided in the distillation flask, and the air inlet is connected to the air supply means.
6. The distillation apparatus for solvent recovery according to claim 1 wherein a tail pipe is connected to a tail end of the adjustable-pitch condenser tube group, and an end of the tail pipe is connected to a tail collector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322852305.2U CN221084683U (en) | 2023-10-24 | 2023-10-24 | Distillation plant is used in solvent recovery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322852305.2U CN221084683U (en) | 2023-10-24 | 2023-10-24 | Distillation plant is used in solvent recovery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221084683U true CN221084683U (en) | 2024-06-07 |
Family
ID=91309581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322852305.2U Active CN221084683U (en) | 2023-10-24 | 2023-10-24 | Distillation plant is used in solvent recovery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221084683U (en) |
-
2023
- 2023-10-24 CN CN202322852305.2U patent/CN221084683U/en active Active
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