CN220257177U - Spray drying system with organic solvent recovery - Google Patents
Spray drying system with organic solvent recovery Download PDFInfo
- Publication number
- CN220257177U CN220257177U CN202321795904.9U CN202321795904U CN220257177U CN 220257177 U CN220257177 U CN 220257177U CN 202321795904 U CN202321795904 U CN 202321795904U CN 220257177 U CN220257177 U CN 220257177U
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- fixedly connected
- organic solvent
- solvent recovery
- electromagnetic valve
- drying cavity
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- 239000003960 organic solvent Substances 0.000 title claims abstract description 67
- 238000011084 recovery Methods 0.000 title claims abstract description 64
- 238000001694 spray drying Methods 0.000 title claims abstract description 27
- 238000001035 drying Methods 0.000 claims abstract description 49
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 41
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000001301 oxygen Substances 0.000 claims abstract description 23
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 23
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 17
- 239000000523 sample Substances 0.000 claims description 14
- 238000004140 cleaning Methods 0.000 claims description 12
- 239000007921 spray Substances 0.000 claims description 10
- 238000010926 purge Methods 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 8
- 238000005507 spraying Methods 0.000 claims description 5
- 229910001873 dinitrogen Inorganic materials 0.000 claims 3
- 238000009833 condensation Methods 0.000 abstract description 4
- 230000005494 condensation Effects 0.000 abstract description 4
- 238000001816 cooling Methods 0.000 abstract description 4
- 238000004064 recycling Methods 0.000 description 10
- 239000007789 gas Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model discloses a spray drying system with organic solvent recovery, which comprises a second drying cavity fixedly connected with the bottom of a first drying cavity through a conduit, a fan fixedly connected with the top of the first drying cavity through a conduit, and an organic solvent recovery system fixedly connected with the air outlet of the fan through a conduit. According to the utility model, the organic solvent recovery system is connected in series with the outlet of the traditional spray drying air outlet, oxygen in the circulation pipeline is replaced by nitrogen, an environment with low oxygen concentration is provided for spray drying, and the organic solvent heated into a gaseous state is converted into the liquid organic solvent through the cooling system in a condensation recovery mode to be recovered.
Description
Technical Field
The utility model relates to the technical field of spray drying application, in particular to a spray drying system with organic solvent recovery.
Background
The spray drying is a drying mode of dispersing raw material liquid into fog drops by adopting an atomizer and drying the fog drops by high-temperature air, can be widely applied to the drying processes of traditional Chinese medicine extractum, thermosensitive materials, biological pharmacy, food industry and the like, and has the advantages of simplifying the drying process, shortening the process time, improving the production efficiency and the product quality and the like.
When the existing spray drying system is used, the organic solvent recovery system is not generally arranged, so that the organic solvent in the processing and using process is wasted, the economic cost of the whole processing is increased, and meanwhile, a large amount of organic solvents pollute the surrounding environment after being wasted.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a spray drying system with organic solvent recovery, which is characterized in that an organic solvent recovery system is connected in series with the outlet of a traditional spray drying air outlet, oxygen in a circulation pipeline is replaced by nitrogen to provide an environment with low oxygen concentration for spray drying, and then the organic solvent heated into gas state is converted into a liquid organic solvent by a cooling system to be recovered by utilizing a condensation recovery mode.
In order to solve the technical problems, the utility model adopts a technical scheme that: the spray drying system with the organic solvent recovery function comprises a first drying cavity, wherein the bottom of the first drying cavity is fixedly connected with a second drying cavity through a guide pipe, the top of the first drying cavity is fixedly connected with a fan through the guide pipe, an air outlet of the fan is fixedly connected with the organic solvent recovery system through the guide pipe, the side wall of the first drying cavity is fixedly connected with a heating device near the top, and the top of the first drying cavity is fixedly connected with a liquid feeding pump through the guide pipe;
the organic solvent recovery system comprises an organic solvent recovery device, a nitrogen inlet pipe is fixedly connected to the side wall of the organic solvent recovery device close to the bottom, an oxygen concentration maintaining electromagnetic valve and an oxygen concentration maintaining flowmeter are connected in series with the nitrogen inlet pipe, a nitrogen branch pipe is fixedly connected to the side wall of the nitrogen inlet pipe, a pressure reducing valve is fixedly connected in series with the nitrogen branch pipe, an automatic cleaning electromagnetic valve, a spray electromagnetic valve and a nozzle purging electromagnetic valve are fixedly connected to an exhaust port of the pressure reducing valve through a guide pipe, and the automatic cleaning electromagnetic valve, the spray electromagnetic valve and the nozzle purging electromagnetic valve are arranged in parallel;
the side wall of the organic solvent recovery device is close to the top, the exhaust electromagnetic valve is fixedly connected to the middle of the side wall of the organic solvent recovery device, the three-way electromagnetic valve is fixedly connected to the middle of the side wall of the organic solvent recovery device, the exhaust capillary pipeline is fixedly connected to the side wall of the organic solvent recovery device, the filter is fixedly connected to the bottom of the side wall of the organic solvent recovery device, the air pump and the oxygen concentration probe are fixedly connected to the outlet of the filter in series through the guide pipe, and the exhaust electromagnetic valve, the exhaust capillary pipeline and the filter are fixedly connected with the exhaust pipe through the guide pipe and are used for discharging waste gas generated after the organic solvent recovery device is recovered.
The utility model is further provided with: the bottom of the second drying cavity is fixedly connected with a sample recovery cup.
Through the technical scheme, the processed sample is convenient to recover.
The utility model is further provided with: and the inlet of the liquid delivery pump is connected with a sample cup through a conduit.
Through the technical scheme, required liquid is stored conveniently, so that the liquid is extracted and processed.
The utility model is further provided with: the bottom of the organic solvent recovery device is fixedly connected with a heat recovery pipeline and is fixedly connected with the heating device.
Through the technical scheme, the heat generated by recycling is convenient to recycle, and the use economic benefit is improved.
The utility model is further provided with: the automatic cleaning electromagnetic valve is communicated with the top inlet of the first drying cavity through a guide pipe.
Through above-mentioned technical scheme, be convenient for carry out automatic washing to the first dry cavity that later stage needs to clear up, improve cleaning efficiency.
The utility model is further provided with: the spray electromagnetic valve is communicated with the top inlet of the first drying cavity through a conduit, and is fixedly connected with a spray flowmeter in series.
Through the technical scheme, the drying and spraying device is used for drying and spraying the inside of the first drying cavity.
The utility model is further provided with: the nozzle purging electromagnetic valve is communicated with the top inlet of the first drying cavity through a conduit.
Through above-mentioned technical scheme, the inside cavity that is convenient for use the nozzle to sweep the solenoid valve and carry out the cleaning of spouting with first dry cavity.
The beneficial effects of the utility model are as follows:
according to the spray drying system with organic solvent recovery, an organic solvent recovery system is connected in series with the outlet of a traditional spray drying air outlet, oxygen in a circulating pipeline is replaced by nitrogen, an environment with low oxygen concentration is provided for spray drying, and then the organic solvent heated into gas is converted into the liquid organic solvent through a cooling system in a condensation recovery mode to be recovered.
Drawings
FIG. 1 is a schematic diagram of the workflow of a spray drying system with organic solvent recovery according to the present utility model.
In the figure: 1. a first drying chamber; 2. a second drying chamber; 21. a sample recovery cup; 3. a blower; 4. a heating device; 5. a liquid feeding pump; 51. a sample cup; 6. an organic solvent recovery device; 7. a nitrogen inlet pipe; 71. an oxygen concentration maintaining solenoid valve; 72. an oxygen concentration maintenance flow meter; 73. a nitrogen manifold; 74. a pressure reducing valve; 741. automatically cleaning an electromagnetic valve; 742. a spray solenoid valve; 7421. a spray flow meter; 743. purging the solenoid valve by the nozzle; 8. an exhaust electromagnetic valve; 9. a three-way electromagnetic valve; 91. an exhaust capillary line; 10. a filter; 101. an inflating pump; 102. an oxygen concentration probe; 11. an exhaust pipe; 12. and a heat recovery pipeline.
Description of the embodiments
The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.
As shown in fig. 1, a spray drying system with organic solvent recovery comprises a first drying cavity 1, wherein the spray drying processing is performed on output liquid, the bottom of the first drying cavity 1 is fixedly connected with a second drying cavity 2 through a conduit, the bottom of the second drying cavity 2 is fixedly connected with a sample recovery cup 21, a processed sample is convenient to recover, the top of the first drying cavity 1 is fixedly connected with a fan 3 through the conduit, an air outlet of the fan 3 is fixedly connected with the organic solvent recovery system through the conduit, the side wall of the first drying cavity 1 is fixedly connected with a heating device 4 near the top, the top of the first drying cavity 1 is fixedly connected with a liquid feeding pump 5 through the conduit, and an inlet of the liquid feeding pump 5 is connected with a sample cup 51 through the conduit, so that the required liquid is convenient to store, and the required liquid is pumped and processed;
the organic solvent recovery system comprises an organic solvent recovery device 6, which is used for recovering the organic solvent discharged from an air port during the internal drying treatment, the bottom of the organic solvent recovery device 6 is fixedly connected with a heat recovery pipeline 12, and is fixedly connected with a heating device 4, so that the heat generated by recovery can be recycled, the economic benefit of the use is improved, the side wall of the organic solvent recovery device 6 is fixedly connected with a nitrogen inlet pipe 7 near the bottom, the nitrogen inlet pipe 7 is connected with an oxygen concentration maintaining electromagnetic valve 71 and an oxygen concentration maintaining flowmeter 72 in series, the oxygen concentration entering can be controlled through the oxygen concentration maintaining electromagnetic valve 71 and the oxygen concentration maintaining flowmeter 72, the side wall of the nitrogen inlet pipe 7 is fixedly connected with a nitrogen branch pipe 73, the entering nitrogen is conveniently led in a branch way, the nitrogen branch pipe 73 is fixedly connected with a pressure reducing valve 74 in series, the exhaust port of the pressure reducing valve 74 is fixedly connected with an automatic cleaning electromagnetic valve 741, a spray electromagnetic valve 742 and a nozzle purging electromagnetic valve 743, the automatic cleaning electromagnetic valve 741 is communicated with the top inlet of a first drying cavity 1 through a conduit, the automatic cleaning electromagnetic valve 742 is convenient to clean the top of the first drying cavity 1, the drying cavity 1 is required to be cleaned through the conduit 743 in series, the drying cavity 1 is required to be cleaned through the first electromagnetic valve 743, the top of the drying cavity is cleaned through the conduit 741 is required to be cleaned in the drying cavity is arranged in the first drying cavity 1 in series, the internal cavity of the first drying cavity 1 is conveniently cleaned by spraying by using a nozzle purging electromagnetic valve 743;
the side wall of the organic solvent recovery device 6 is fixedly connected with an exhaust electromagnetic valve 8 near the top position, so that the exhaust gas after internal treatment is conveniently discharged, the middle position of the side wall of the organic solvent recovery device 6 is fixedly connected with a three-way electromagnetic valve 9, and the side wall of the organic solvent recovery device 6 is fixedly connected with an exhaust capillary pipeline 91 through a conduit, a filter 10 is fixedly connected with the side wall of the organic solvent recovery device 6 near the bottom position and used for filtering the exhaust gas, an air pump 101 and an oxygen concentration probe 102 are fixedly connected with an outlet of the filter 10 in series through the conduit, and the exhaust electromagnetic valve 8, the exhaust capillary pipeline 91 and the filter 10 are all fixedly connected with an exhaust pipe 11 through the conduit and used for discharging the exhaust gas generated after the recovery of the organic solvent recovery device 6.
When the organic solvent recycling device is used, firstly, the organic solvent recycling device 6 is arranged at the air outlet of the fan 3, a large amount of discharged organic solvent is discharged into the organic solvent recycling device 6 by the fan 3 for recycling, nitrogen is used for entering the first drying cavity 1 through the spray electromagnetic valve 742, oxygen in a circulation pipeline can be replaced, an environment with low oxygen concentration is provided for spray drying, the organic solvent heated into a gaseous state is converted into a liquid organic solvent by a cooling system by utilizing the mode of condensation recycling in the organic solvent recycling device 6 for recycling, and the generated heat can enter the heating device 4 by utilizing the heat recycling pipeline 12 for recycling the heat.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (7)
1. A spray drying system with organic solvent recovery, comprising a first drying chamber (1), characterized in that: the bottom of the first drying cavity (1) is fixedly connected with a second drying cavity (2) through a guide pipe, the top of the first drying cavity (1) is fixedly connected with a fan (3) through the guide pipe, an air outlet of the fan (3) is fixedly connected with an organic solvent recovery system through the guide pipe, the side wall of the first drying cavity (1) is fixedly connected with a heating device (4) near the top, and the top of the first drying cavity (1) is fixedly connected with a liquid feeding pump (5) through the guide pipe;
the organic solvent recovery system comprises an organic solvent recovery device (6), a nitrogen gas inlet pipe (7) is fixedly connected to the side wall of the organic solvent recovery device (6) close to the bottom, an oxygen concentration maintaining electromagnetic valve (71) and an oxygen concentration maintaining flowmeter (72) are connected in series with the nitrogen gas inlet pipe (7), a nitrogen branch pipe (73) is fixedly connected to the side wall of the nitrogen gas inlet pipe (7), a pressure reducing valve (74) is fixedly connected in series with the nitrogen branch pipe (73), an automatic cleaning electromagnetic valve (741), a spraying electromagnetic valve (742) and a nozzle purging electromagnetic valve (743) are fixedly connected to an exhaust port of the pressure reducing valve (74) through a guide pipe, and the automatic cleaning electromagnetic valve (741), the spraying electromagnetic valve (742) and the nozzle purging electromagnetic valve (743) are arranged in parallel;
the side wall of organic solvent recovery unit (6) is close to top position fixedly connected with exhaust solenoid valve (8), the lateral wall middle part position fixedly connected with three way solenoid valve (9) of organic solvent recovery unit (6), and through pipe fixedly connected with exhaust capillary tube (91), the lateral wall of organic solvent recovery unit (6) is close to bottom position fixedly connected with filter (10), the export of filter (10) is through pipe series connection fixedly connected with pump (101) and oxygen concentration probe (102), exhaust solenoid valve (8), exhaust capillary tube (91) and filter (10) are all through pipe fixedly connected with blast pipe (11).
2. A spray drying system with organic solvent recovery according to claim 1, wherein: the bottom of the second drying cavity (2) is fixedly connected with a sample recovery cup (21).
3. A spray drying system with organic solvent recovery according to claim 1, wherein: the inlet of the liquid feeding pump (5) is connected with a sample cup (51) through a conduit.
4. A spray drying system with organic solvent recovery according to claim 1, wherein: the bottom of the organic solvent recovery device (6) is fixedly connected with a heat recovery pipeline (12) and is fixedly connected with the heating device (4).
5. A spray drying system with organic solvent recovery according to claim 1, wherein: the automatic cleaning electromagnetic valve (741) is communicated with the top inlet of the first drying cavity (1) through a conduit.
6. A spray drying system with organic solvent recovery according to claim 1, wherein: the spray electromagnetic valve (742) is communicated with the top inlet of the first drying cavity (1) through a conduit, and is fixedly connected with a spray flowmeter (7421) in series.
7. A spray drying system with organic solvent recovery according to claim 1, wherein: the nozzle purging electromagnetic valve (743) is communicated with the top inlet of the first drying cavity (1) through a conduit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321795904.9U CN220257177U (en) | 2023-07-10 | 2023-07-10 | Spray drying system with organic solvent recovery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321795904.9U CN220257177U (en) | 2023-07-10 | 2023-07-10 | Spray drying system with organic solvent recovery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220257177U true CN220257177U (en) | 2023-12-29 |
Family
ID=89317318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321795904.9U Active CN220257177U (en) | 2023-07-10 | 2023-07-10 | Spray drying system with organic solvent recovery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220257177U (en) |
-
2023
- 2023-07-10 CN CN202321795904.9U patent/CN220257177U/en active Active
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