CN220119910U - Solvent low temperature recovery plant - Google Patents
Solvent low temperature recovery plant Download PDFInfo
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- CN220119910U CN220119910U CN202321630899.6U CN202321630899U CN220119910U CN 220119910 U CN220119910 U CN 220119910U CN 202321630899 U CN202321630899 U CN 202321630899U CN 220119910 U CN220119910 U CN 220119910U
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- recovery tank
- correspondingly
- recovery
- condensation
- condensing
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- 238000011084 recovery Methods 0.000 title claims abstract description 97
- 239000002904 solvent Substances 0.000 title claims abstract description 43
- 238000009833 condensation Methods 0.000 claims abstract description 40
- 230000005494 condensation Effects 0.000 claims abstract description 40
- 239000012530 fluid Substances 0.000 claims abstract description 32
- 238000003756 stirring Methods 0.000 claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims description 7
- 230000000694 effects Effects 0.000 description 9
- 230000006872 improvement Effects 0.000 description 5
- 239000003507 refrigerant Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 206010060904 Freezing phenomenon Diseases 0.000 description 2
- 239000000110 cooling liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 208000001034 Frostbite Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000019771 cognition Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 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
- 230000008569 process Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model provides low-temperature recovery equipment for a solvent, which comprises a recovery tank, wherein end covers are correspondingly arranged on two sides of the recovery tank, and refrigerating fluid circularly flows in the recovery tank; the left side of the top of the recovery tank is correspondingly provided with a steam inlet, a plurality of groups of condensing coils are correspondingly arranged in the recovery tank, the bottom of the recovery tank is correspondingly provided with a plurality of condensing outlets, one ends of the bottoms of the plurality of groups of condensing coils are correspondingly communicated with the plurality of condensing outlets respectively, and one ends of the tops of the condensing coils positioned on the left side are correspondingly communicated with the steam inlet; the condensation outlet at the lower part of the left side condensation coil is correspondingly communicated with one end of the top of the right side condensation coil through a connecting pipe between the adjacent condensation coils; and stirring mechanisms are correspondingly arranged on two sides of the condensing coil in the recovery tank. The utility model effectively ensures the condensation recovery rate of the solvent, has simple integral connection of equipment, convenient placement, reduces occupied space, simultaneously well avoids the phenomenon of local icing, and has convenient integral use and strong practicability.
Description
Technical Field
The utility model belongs to the technical field of solvent recovery, and particularly relates to low-temperature solvent recovery equipment.
Background
In the chemical industry, after the reaction of the materials in the reaction kettle is completed, the solvent in the reaction kettle is usually distilled to change the solvent into solvent vapor, and then the solvent is recovered at a low temperature. In the low-temperature recovery process, the recovery material is required to be condensed, so that the solvent vapor is liquefied, and the recovery and reutilization of the solvent are realized.
At present, a common low-temperature recovery device is generally a condenser, and solvent vapor is subjected to low-temperature condensation recovery through the condenser. In order to ensure the condensation recovery effect, a plurality of condensers are generally arranged in series to improve the recovery rate of the solvent, for example, the application of Chinese patent application No. CN201120274962.8 discloses a solvent recovery condensing device, the condensing device at least comprises two tube condensers, each tube condenser comprises a shell, a solvent pipeline is arranged in the shell, one end of the solvent pipeline is provided with a solvent steam inlet, the other end of the solvent pipeline is provided with an uncondensed solvent steam outlet, the lower end of the solvent pipeline is provided with a condensed solvent outlet, the shell and the outer wall of the solvent pipeline form a cooling pipeline, one end of the shell is provided with an inlet of cooling liquid, and the other end of the shell is provided with an outlet of cooling liquid; the non-condensed solvent vapor outlet of the adjacent tube condenser is communicated with the solvent vapor inlet. The solvent recovery device for the above example adopts at least two condensers to improve the recovery rate of the solvent, but the arrangement of a plurality of condensers makes the connection more troublesome, the placement of the condensers is inconvenient, the space is occupied, and the use is inconvenient. In addition, in order to ensure the condensing effect of the solvent, the temperature of the refrigerant liquid is generally lower during the cold-heat exchange, so that the partial freezing phenomenon possibly occurs in the condenser in the low-temperature condensing and recycling process, thereby damaging the condenser and affecting the normal use of the condenser.
Disclosure of Invention
1. Object of the utility model
Aiming at the technical problems, the utility model provides the low-temperature solvent recovery equipment, which effectively ensures the condensation recovery rate of the solvent, has simple integral connection, convenient placement and reduced occupied space, simultaneously well avoids the phenomenon of local icing, and has convenient integral use and strong practicability.
2. Technical proposal
In order to achieve the above purpose, the technical scheme provided by the utility model is as follows: the low-temperature solvent recovery device comprises a recovery tank, wherein end covers are correspondingly arranged on two sides of the recovery tank, and refrigerating fluid circularly flows in the recovery tank; the left side of the top of the recovery tank is correspondingly provided with a steam inlet, a plurality of groups of condensing coils are correspondingly arranged in the recovery tank, the bottom of the recovery tank is correspondingly provided with a plurality of condensing outlets, one ends of the bottoms of the plurality of groups of condensing coils are correspondingly communicated with the plurality of condensing outlets respectively, and one ends of the tops of the condensing coils positioned on the left side are correspondingly communicated with the steam inlet; the condensation outlet at the lower part of the left side condensation coil is correspondingly communicated with one end of the top of the right side condensation coil through a connecting pipe between the adjacent condensation coils; and stirring mechanisms are correspondingly arranged on two sides of the condensing coil in the recovery tank.
The further improvement is that: the lower part of the end cover on the right side of the recovery tank is correspondingly provided with a refrigerating fluid inlet, the upper part of the end cover on the left side of the recovery tank is correspondingly provided with a refrigerating fluid outlet, and the refrigerating fluid flows into the recovery tank from the refrigerating fluid inlet on the right side and flows out from the refrigerating fluid outlet on the left side.
The further improvement is that: the stirring mechanism comprises a rotating rod, two ends of the rotating rod are correspondingly arranged on the end covers through bearings respectively, a plurality of stirring rods are uniformly arranged on the rotating rod, a motor is correspondingly arranged on the end cover on one side of the recovery tank, and an output shaft of the motor is correspondingly connected with one end of the rotating rod.
The further improvement is that: the number and the positions of the condensation outlets correspond to those of the condensation coils, and the bottom ends of the condensation outlets provided with the connecting pipes can be correspondingly connected with the closed liquid storage tanks.
The further improvement is that: the bottom both sides of retrieving jar correspond and are equipped with the stabilizer blade, it is equipped with the vacuum chamber to correspond on the jar wall of retrieving jar, this vacuum chamber one side accessible pipeline corresponds with outside vacuum pump and is connected.
3. Advantageous effects
Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:
according to the utility model, the plurality of groups of condensing coils are arranged in the recovery tank, the condensing outlet at the lower part of one condensing coil is correspondingly communicated with the top of the other adjacent condensing coil by utilizing the connecting pipe, so that the condensing coils are of an integrated structure, and the solvent vapor is subjected to multiple low-temperature condensation recovery by the refrigerating fluid flowing in the recovery tank to the opposite direction, so that the condensation recovery rate of the solvent is effectively ensured, and the integrated structure of the condensing coils is simple in integral connection, convenient to place, reduced in occupied space and convenient to use. Meanwhile, the stirring mechanisms are correspondingly arranged on the two sides of the condensing coil in the recovery tank, and the motor drives the rotating rod and the stirring rod to rotate, so that the refrigerating fluid in the recovery tank is in a dynamic circulation state, on one hand, the phenomenon of local icing can be well prevented, the recovery equipment is prevented from being damaged, and on the other hand, the temperature difference of the refrigerating fluid on the two sides in the recovery tank is not too large, so that the low-temperature condensation recovery effect is influenced. In addition, still correspond and be equipped with the vacuum chamber on the tank wall of recovery jar, utilize the vacuum pump to carry out the evacuation to the vacuum chamber to improve the tank wall heat preservation effect of recovery jar, reduce refrigerating fluid and external heat transfer effect, guarantee the temperature of refrigerating fluid, also prevent that workman's personnel from unintentionally touching recovery jar from being frostbite, its whole convenient to use, the practicality is strong.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the front cross-sectional structure of the present utility model;
fig. 3 is a schematic side sectional structure of the present utility model.
Reference numerals
1. A recovery tank; 101. a vacuum chamber; 2. an end cap; 3. a support leg; 4. a refrigerant liquid inlet; 5. a refrigerant liquid outlet; 6. a condensing coil; 7. a steam inlet; 8. a condensation outlet; 9. a connecting pipe; 10. a motor; 11. a rotating lever; 12. stirring rod.
Detailed Description
In order that the utility model may be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings, in which, however, the utility model may be embodied in many different forms and are not limited to the embodiments described herein, but are instead provided for the purpose of providing a more thorough and complete disclosure of the utility model.
It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present; when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present; the terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs; the terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model; the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Examples
Referring to fig. 1-3, a low-temperature recovery device for solvent in this embodiment includes a recovery tank 1, two sides of the recovery tank 1 are correspondingly provided with end caps 2, and a refrigerant fluid circularly flows in the recovery tank 1. The left side correspondence of recovery jar 1 top is equipped with steam inlet 7, the correspondence is equipped with multiunit condensing coil 6 in the recovery jar 1, recovery jar 1 bottom corresponds and is equipped with a plurality of condensation export 8, and multiunit condensing coil 6's bottom one end corresponds the intercommunication with a plurality of condensation export 8 respectively, and wherein the condensing coil 6 top one end that is located left side corresponds the intercommunication with steam inlet 7. The condensation outlet 8 at the lower part of the left side condensation coil 6 between the adjacent condensation coils 6 is correspondingly communicated with one end of the top of the right side condensation coil 6 through a connecting pipe 9. Stirring mechanisms are correspondingly arranged on two sides of the condensing coil 6 in the recovery tank 1.
The number and the positions of the condensation outlets 8 correspond to those of the condensation coils 6, wherein the bottom end of the condensation outlet 8 provided with the connecting pipe 9 at the left side can be correspondingly connected with a closed liquid storage tank, and the bottom end of the condensation outlet 8 at the rightmost side can be correspondingly connected with an open liquid storage tank. The lower part of the end cover 2 on the right side on the recovery tank 1 is correspondingly provided with a refrigerating fluid inlet 4, the upper part of the end cover 2 on the left side on the recovery tank 1 is correspondingly provided with a refrigerating fluid outlet 5, the refrigerating fluid inlet 4 and the refrigerating fluid outlet 5 are correspondingly connected with an external refrigerating unit (such as a water chilling unit), refrigerating fluid flows into the recovery tank 1 from the refrigerating fluid inlet 4 on the right side through the refrigerating unit, flows out from the refrigerating fluid outlet 5 on the left side, and the circulating flow of the refrigerating fluid in the recovery tank 1 is realized. According to the embodiment, the plurality of groups of condensing coils 6 are arranged in the recovery tank 1, the condensing outlet 8 at the lower part of one condensing coil 6 is correspondingly communicated with the top of the other adjacent condensing coil 6 by the connecting pipe 9, so that the condensing coils are of an integrated structure, solvent vapor is subjected to multiple times of low-temperature condensation recovery through the opposite refrigerating fluid flowing in the recovery tank 1, the condensation recovery rate of the solvent is effectively guaranteed, the integrated structure is simple in integral connection of equipment, the device is convenient to place, the occupied space is reduced, and the device is convenient to use.
The condensing coil 6 is correspondingly positioned in the middle of the recovery tank 1, and the stirring mechanism is correspondingly positioned at two sides of the condensing coil 6 in the recovery tank 1. The stirring mechanism comprises a rotating rod 11, two ends of the rotating rod 11 are correspondingly arranged on an end cover 2 through bearings respectively, a plurality of stirring rods 12 are uniformly arranged on the rotating rod 11, two motors 10 are correspondingly arranged on the end cover 2 on one side of the recovery tank 1, output shafts of the two motors 10 are correspondingly connected with one ends of the two rotating rods 11 respectively, the rotating rod 11 and the stirring rod 12 are driven to rotate through the motors 10, so that refrigerating fluid in the recovery tank 1 is in a dynamic circulation state, on one hand, local freezing phenomenon can be well prevented, recovery equipment is prevented from being damaged, and on the other hand, the temperature difference of the refrigerating fluid on two sides in the recovery tank 1 can be prevented from being too large, so that the recovery effect of low-temperature condensation is influenced.
The two sides of the bottom of the recovery tank 1 are correspondingly provided with supporting legs 3. The tank wall of the recovery tank 1 is correspondingly provided with a vacuum cavity 101, one side of the vacuum cavity 101 can be correspondingly connected with an external vacuum pump through a pipeline, and the vacuum cavity 101 is vacuumized by the vacuum pump, so that the heat preservation effect of the tank wall of the recovery tank 1 is improved, the heat exchange effect of refrigerating fluid and the outside is reduced, the temperature of the refrigerating fluid is ensured, and workers are prevented from being frostbitten by touching the recovery tank 1 by accident. It should be noted that the vacuum pump, the refrigerating unit and the motor 10 all use existing equipment. The bottom end of the condensation outlet 8 can be provided with a water separator which also adopts the existing equipment so as to separate the solvent from the doped water and ensure the recovery purity of the solvent.
It should be noted that, since the technical content in the art is huge and rich in smoke and sea, the structure not described in the present utility model does not relate to the design gist and the improvement direction of the present utility model, which are the same as or can be implemented by the prior art, and the above content belongs to the technical cognition category of the inventor, so that the detailed description is not given.
The foregoing examples merely illustrate certain embodiments of the utility model and are described in more detail and are not to be construed as limiting the scope of the utility model; it should be noted that it is possible for a person skilled in the art to make several variants and modifications without departing from the concept of the utility model, all of which fall within the scope of protection of the utility model; accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (5)
1. A low temperature recovery device for solvent, characterized in that: the device comprises a recovery tank (1), wherein end covers (2) are correspondingly arranged at two sides of the recovery tank (1), and refrigerating fluid circularly flows in the recovery tank (1); the left side of the top of the recovery tank (1) is correspondingly provided with a steam inlet (7), a plurality of groups of condensing coils (6) are correspondingly arranged in the recovery tank (1), the bottom of the recovery tank (1) is correspondingly provided with a plurality of condensing outlets (8), one ends of the bottoms of the groups of condensing coils (6) are respectively correspondingly communicated with the plurality of condensing outlets (8), and one ends of the tops of the condensing coils (6) positioned on the left side are correspondingly communicated with the steam inlet (7); a condensation outlet (8) at the lower part of the left side condensation coil (6) between the adjacent condensation coils (6) is correspondingly communicated with one end of the top of the right side condensation coil (6) through a connecting pipe (9); stirring mechanisms are correspondingly arranged on two sides of the condensing coil (6) in the recovery tank (1).
2. A low temperature solvent recovery apparatus according to claim 1, wherein: the lower part of the end cover (2) on the right side on the recovery tank (1) is correspondingly provided with a refrigerating fluid inlet (4), the upper part of the end cover (2) on the left side on the recovery tank (1) is correspondingly provided with a refrigerating fluid outlet (5), and refrigerating fluid flows into the recovery tank (1) from the refrigerating fluid inlet (4) on the right side and flows out from the refrigerating fluid outlet (5) on the left side.
3. A low temperature solvent recovery apparatus according to claim 1, wherein: the stirring mechanism comprises a rotating rod (11), two ends of the rotating rod (11) are correspondingly arranged on the end cover (2) through bearings respectively, a plurality of stirring rods (12) are uniformly arranged on the rotating rod (11), a motor (10) is correspondingly arranged on the end cover (2) on one side of the recovery tank (1), and an output shaft of the motor (10) is correspondingly connected with one end of the rotating rod (11).
4. A low temperature solvent recovery apparatus according to claim 1, wherein: the number and the positions of the condensation outlets (8) correspond to those of the condensation coils (6), and the bottom ends of the condensation outlets (8) provided with connecting pipes (9) can be correspondingly connected with a closed liquid storage tank.
5. A low temperature solvent recovery apparatus according to claim 1, wherein: the recovery tank is characterized in that support legs (3) are correspondingly arranged on two sides of the bottom of the recovery tank (1), a vacuum cavity (101) is correspondingly arranged on the tank wall of the recovery tank (1), and one side of the vacuum cavity (101) can be correspondingly connected with an external vacuum pump through a pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321630899.6U CN220119910U (en) | 2023-06-26 | 2023-06-26 | Solvent low temperature recovery plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321630899.6U CN220119910U (en) | 2023-06-26 | 2023-06-26 | Solvent low temperature recovery plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220119910U true CN220119910U (en) | 2023-12-01 |
Family
ID=88896866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321630899.6U Active CN220119910U (en) | 2023-06-26 | 2023-06-26 | Solvent low temperature recovery plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220119910U (en) |
-
2023
- 2023-06-26 CN CN202321630899.6U patent/CN220119910U/en active Active
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