CN219963988U - DMAC high-purity extraction system - Google Patents
DMAC high-purity extraction system Download PDFInfo
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- CN219963988U CN219963988U CN202321344958.3U CN202321344958U CN219963988U CN 219963988 U CN219963988 U CN 219963988U CN 202321344958 U CN202321344958 U CN 202321344958U CN 219963988 U CN219963988 U CN 219963988U
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- 238000000605 extraction Methods 0.000 title claims abstract description 39
- MHABMANUFPZXEB-UHFFFAOYSA-N O-demethyl-aloesaponarin I Natural products O=C1C2=CC=CC(O)=C2C(=O)C2=C1C=C(O)C(C(O)=O)=C2C MHABMANUFPZXEB-UHFFFAOYSA-N 0.000 title claims abstract 10
- 238000001704 evaporation Methods 0.000 claims abstract description 67
- 238000010438 heat treatment Methods 0.000 claims abstract description 17
- 238000003756 stirring Methods 0.000 claims abstract description 12
- 230000008020 evaporation Effects 0.000 claims description 60
- 239000007788 liquid Substances 0.000 claims description 33
- 238000003860 storage Methods 0.000 claims description 10
- 238000010992 reflux Methods 0.000 claims description 7
- 238000013019 agitation Methods 0.000 claims 1
- 239000002351 wastewater Substances 0.000 abstract description 18
- 238000009835 boiling Methods 0.000 abstract description 17
- 230000000694 effects Effects 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 5
- 238000000746 purification Methods 0.000 abstract description 3
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 45
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 6
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 238000000895 extractive distillation Methods 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000002798 polar solvent Substances 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 238000009489 vacuum treatment Methods 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 field of DMAC purification, and discloses a DMAC high-purity extraction system which comprises a rectifying tower, a conveying device, a first condenser, a first collecting tank, a reboiler, an evaporating tank, an exhaust device, a heating device, a stirring device, a second condenser, a second collecting tank and a third collecting tank. The utility model realizes the effect of high-purity extraction of DMAC from wastewater containing high boiling point fractions through the arrangement of the structure, and simplifies the multi-tower process, so that the input equipment is reduced, and the cost input is reduced.
Description
Technical Field
The utility model belongs to the technical field of DMAC purification, and particularly relates to a high-purity extraction system of DMAC.
Background
Dimethylacetamide (DMAC) is a commonly used aprotic polar solvent which is a colorless transparent liquid capable of being arbitrarily mixed with organic solvents such as water, ethers, ketones, esters, etc., used for the production of pharmaceuticals, synthetic resins, solvents for polyacrylonitrile spinning, extractive distillation solvents for separating styrene from carbon eight fractions, etc. During the use process, a large amount of waste water containing DMAC can be generated, so that the extraction and recovery of DMAC in the waste water are of great significance.
The rectification method is a common DMAC extraction method, and when the waste water containing high-boiling point fractions is subjected to DMAC purification, a multi-tower process is generally adopted, so that more equipment is required to be input, and the cost input is correspondingly higher.
Disclosure of Invention
The utility model aims to provide a DMAC high-purity extraction system which solves the problems existing in the prior art.
In order to solve the technical problems, the specific technical scheme of the utility model is as follows:
in some embodiments of the present utility model, there is provided a DMAC high purity extraction system comprising:
a rectifying tower;
the conveying device is communicated with the middle part of one side of the rectifying tower;
the condenser I is provided with an air inlet I, a reflux port and a extraction port I, the air inlet I is communicated with the top of the rectifying tower, and the reflux port is communicated with the top of one side of the rectifying tower;
the first collecting tank is communicated with the first extraction outlet;
the reboiler is provided with a liquid inlet, a first air outlet and a second air outlet, the liquid inlet is communicated with the bottom of the rectifying tower, and the first air outlet is communicated with the bottom of one side of the rectifying tower;
the top of one side of the evaporation tank is communicated with the two-phase extraction port on the reboiler, and the top surface of the evaporation tank is provided with a second air outlet;
the exhaust device is arranged on the second air outlet;
the heating device is arranged on the evaporation tank;
the stirring device is arranged on the evaporation tank;
the second condenser is provided with a second air inlet and a third extraction outlet, and the second air inlet is communicated with the exhaust device;
the second collecting tank is communicated with the extraction outlet in a three-phase manner;
and the third collecting tank is communicated with the bottom of one side of the evaporating tank.
Preferably, in a preferred embodiment of the DMAC high purity extraction system described above, the exhaust includes:
the first movable plate is connected to the bottom of the inner side of the second air outlet in a sliding manner, and a plurality of through holes are formed in the first movable plate;
the second movable plate is connected to the top of the inner side of the second air outlet in a sliding manner;
the two ends of the connecting rod are fixedly connected with the first movable plate and the second movable plate respectively;
the mounting plate is arranged above the second air outlet at intervals;
the support rods are arranged in a plurality, the support rods are arranged at intervals along the circumferential direction of the mounting plate, the top surfaces of the support rods are fixedly connected with the mounting plate, and the bottom surfaces of the support rods are respectively and fixedly connected with the top surface of the evaporation tank;
and two ends of the spring are fixedly connected with the second movable plate and the mounting plate respectively.
Preferably, in a preferred embodiment of the DMAC high purity extraction system described above, the stirring device includes:
the rotary driving part is fixedly connected to the top surface of the evaporation tank;
one end of the rotating shaft is fixedly connected with the output shaft of the rotary driving component, and the other end of the rotating shaft extends into the evaporation tank and is rotationally connected with the bottom wall of the evaporation tank;
the blade sets are provided with a plurality of groups, the blade sets are all positioned in the evaporation tank, and the blade sets are arranged at intervals along the axial direction of the rotating shaft; each group of blades comprises a plurality of blades, and the blades are arranged at intervals along the circumferential direction of the rotating shaft.
Preferably, in a preferred embodiment of the DMAC high purity extraction system described above, the delivery device comprises:
a storage tank;
the inlet end of the delivery pump is communicated with the bottom of one side of the storage tank through a pipeline, and the outlet end of the delivery pump is communicated with the middle part of one side of the rectifying tower through a pipeline;
and the flow control valve is arranged on a pipeline between the delivery pump and the storage tank.
Preferably, in a preferred embodiment of the DMAC high purity extraction system described above, the first heating device comprises:
the heating sleeve is sleeved on the periphery of the evaporation tank;
and the temperature controller is electrically connected with the heating sleeve.
Preferably, in a preferred embodiment of the DMAC high purity extraction system, the DMAC high purity extraction system further includes a temperature sensor, the temperature sensor is disposed at the top of the inner side of the evaporation tank, and the temperature sensor is electrically connected with the temperature controller.
Compared with the prior art, the utility model has the beneficial effects that:
(1) The low-boiling fraction in the wastewater can be continuously distilled out through the rectifying tower, so that the low-boiling fraction is separated from the wastewater.
(2) The mixed liquid discharged from the bottom of the rectifying tower is further heated by the reboiler, so that a small amount of low boiling fraction in the mixed liquid can be further evaporated.
(3) The temperature in the evaporation tank can be maintained in a set temperature range through the heating device, DMAC in mixed liquid in the evaporation tank is continuously evaporated and enters the condenser II through the exhaust device and a pipeline between the evaporation tank and the condenser II to be subjected to condensation treatment, the effect of separating the DMAC from waste water is achieved, and the purity of the separated DMAC is high.
(4) Through the agitating unit who sets up can constantly stir the mixed liquid in the evaporation vessel, can make the speed of DMAC evaporation improve.
(5) Through the arrangement of the structure, the effect of high-purity extraction of DMAC (dimethyl formamide) from wastewater containing high-boiling point fractions is realized, and meanwhile, the process of multiple towers is simplified, so that the input equipment is reduced, and the cost input is reduced.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:
FIG. 1 is a schematic diagram of a DMAC high purity extraction system according to an embodiment of the present utility model;
fig. 2 is a schematic diagram of an internal structure of an evaporation tank according to an embodiment of the present utility model;
fig. 3 is an enlarged view of a portion a in fig. 2.
In the figure:
1. a rectifying tower; 2. a conveying device; 21. a storage tank; 22. a transfer pump; 23. a flow control valve; 3. a first condenser; 4. a first collecting tank; 5. a reboiler; 6. an evaporation tank; 7. an exhaust device; 71. a first movable plate; 72. a second movable plate; 73. a connecting rod; 74. a mounting plate; 75. a support rod; 76. a spring; 8. a stirring device; 81. a rotation driving part; 82. a rotating shaft; 83. a blade; 9. a second condenser; 10. a second collecting tank; 11. and a third collecting tank.
Detailed Description
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The present utility model will be described in further detail with reference to the accompanying drawings for a better understanding of the objects, structures and functions of the present utility model.
Referring to FIG. 1, in accordance with some embodiments of the utility model, a DMAC high purity extraction system includes:
a rectifying tower 1;
the conveying device 2 is communicated with the middle part of one side of the rectifying tower 1;
the condenser I3 is provided with an air inlet I, a reflux port and a extraction port I, the air inlet I is communicated with the top of the rectifying tower 1 through a pipeline, and the reflux port is communicated with the top of one side of the rectifying tower 1 through a pipeline;
the first collecting tank 4 is communicated with the first extraction outlet through a pipeline;
the reboiler 5 is provided with a liquid inlet, a first air outlet and a second air outlet, the liquid inlet is communicated with the bottom of the rectifying tower 1 through a pipeline, and the first air outlet is communicated with the bottom of one side of the rectifying tower 1 through a pipeline;
the top of one side of the evaporation tank 6 is communicated with a two-way pipeline of a mining outlet on the reboiler 5, and the top surface of the evaporation tank 6 is provided with a second air outlet;
the exhaust device 7 is arranged on the second air outlet;
a heating device provided on the evaporation tank 6;
the stirring device 8 is arranged on the evaporation tank 6;
the second condenser 9 is provided with a second air inlet and a third extraction outlet, and the second air inlet is communicated with the exhaust device 7;
the second collecting tank 10 is communicated with the extraction outlet through a pipeline;
and the third collecting tank 11 is communicated with the bottom of one side of the evaporating tank 6 through a pipeline.
Specifically, the rectifying tower 1 is used for rectifying wastewater containing DMAC, so that low-boiling-point fractions in the wastewater are evaporated and continuously discharged from a steam outlet at the top of the rectifying tower 1, and mixed liquid is discharged from the bottom of the rectifying tower 1.
Specifically, the conveying device 2 is used for conveying the waste water containing DMAC into the rectifying tower 1 for rectifying treatment.
Specifically, the first condenser 3 is used for condensing the low-boiling fraction distilled from the top of the rectifying tower 1 to change the low-boiling fraction from a gaseous state to a liquid state; a part of the liquid low-boiling fraction is refluxed into the rectifying column 1, and the other part is recovered and stored in the first collection tank 4.
Specifically, the mixed liquid discharged from the bottom of the rectifying tower 1 enters a reboiler 5 for heating, so that a small amount of low-boiling-point fraction in the mixed liquid is evaporated again and flows back into the rectifying tower 1; the mixed liquid after the evaporation treatment by the reboiler 5 is a mixed liquid of DMAC and a high boiling fraction, and the mixed liquid is discharged into the evaporator tank 6.
Specifically, the heating device is used to heat the evaporation tank 6, so that the inside of the evaporation tank 6 is in a high temperature state, and DMAC in the mixed liquid in the evaporation tank 6 can be evaporated at the temperature, and the high boiling fraction continues to exist in a liquid state.
Specifically, gaseous DMAC in the evaporation tank 6 can be discharged through an exhaust device 7, and the exhaust device 7 is communicated with a second air inlet on a second condenser 9 through a pipeline; gaseous DMAC discharged through the exhaust device 7 enters the pipeline, enters the condenser II 9 through the air inlet II on the condenser II 9 for condensation treatment, and the condensed DMAC becomes liquid and is discharged into the collection tank II 10 for storage.
Specifically, the stirring device 8 is used for stirring the mixed liquid in the evaporation tank 6.
Specifically, the mixed liquid in the evaporation tank 6 is stirred, heated and evaporated to obtain a liquid high-boiling fraction, and the liquid high-boiling fraction is discharged into the third collection tank 11 and stored.
In order to reduce the decomposition of DMAC in a high-temperature environment, the system of the present utility model is subjected to a vacuum treatment before the waste water containing DMAC is treated, so that the interiors of the rectifying tower 1, the reboiler 5, the evaporating pot 6 and the pipelines connected thereto are all in a vacuum state; the temperature of the evaporator 6 is preferably controlled to 170 ℃.
Through the technical scheme, the utility model has the following technical effects: the low-boiling fraction in the wastewater can be continuously distilled out through the rectifying tower 1, so that the low-boiling fraction is separated from the wastewater; the mixed liquid discharged from the bottom of the rectifying tower 1 is further heated by the reboiler 5, so that a small amount of low-boiling fraction in the mixed liquid can be further evaporated; the temperature in the evaporation tank 6 can be maintained in a set temperature range through the heating device, DMAC in mixed liquid in the evaporation tank 6 is continuously evaporated and enters the condenser II 9 through the exhaust device 7 and a pipeline between the evaporation tank 6 and the condenser II 9 for condensation treatment, the effect of separating the DMAC from waste water is achieved, and the purity of the separated DMAC is high; the mixed liquid in the evaporation tank 6 can be continuously stirred by the stirring device 8, and the rate of evaporation of DMAC can be increased. Through the arrangement of the structure, the effect of high-purity extraction of DMAC (dimethyl formamide) from wastewater containing high-boiling point fractions is realized, and meanwhile, the process of multiple towers is simplified, so that the input equipment is reduced, and the cost input is reduced.
Referring to fig. 2 and 3, in a preferred embodiment of the present utility model, the exhaust device 7 includes:
the first movable plate 71 is connected to the bottom of the inner side of the second air outlet in a sliding manner, and a plurality of through holes are formed in the first movable plate 71;
the second movable plate 72 is connected to the top of the inner side of the second air outlet in a sliding manner;
the two ends of the connecting rod 73 are fixedly connected with the first movable plate 71 and the second movable plate 72 respectively;
the mounting plates 74, the mounting plates 74 are arranged above the second air outlets at intervals;
the support rods 75, wherein the support rods 75 are provided with a plurality of support rods 75, the plurality of support rods 75 are arranged at intervals along the circumferential direction of the mounting plate 74, the top surfaces of the support rods 75 are fixedly connected with the mounting plate 74, and the bottom surfaces of the support rods 75 are respectively and fixedly connected with the top surface of the evaporation tank 6;
and the two ends of the spring 76 are fixedly connected with the movable plate II 72 and the mounting plate 74 respectively.
The working principle of the technical scheme is as follows: as the DMAC in the mixed liquid in the evaporation tank 6 is continuously evaporated, the pressure in the evaporation tank 6 is gradually increased, and the movable plate I71, the connecting rod 73 and the movable plate II 72 are driven to synchronously move upwards; at the same time, gaseous DMAC enters between the first movable plate 71 and the second movable plate 72 through the through hole on the first movable plate 71; when the bottom surface of the second movable plate 72 is higher than the top of the second air outlet, gaseous DMAC enters the pipeline between the exhaust device 7 and the second air inlet on the second condenser 9, and the effect of exhausting DMAC is achieved.
By adopting the technical scheme, the automatic discharging effect of the gaseous DMAC in the evaporation tank 6 can be realized.
Referring to fig. 2, in a preferred embodiment of the present utility model, the stirring device 8 includes:
a rotation driving part 81, the rotation driving part 81 being fixedly connected to the top surface of the evaporation tank 6;
one end of the rotating shaft 82 is fixedly connected with an output shaft of the rotary driving component 81, and the other end of the rotating shaft 82 extends into the evaporation tank 6 and is rotationally connected with the bottom wall of the evaporation tank 6;
the blade sets are provided with a plurality of groups, the plurality of groups of blade sets are all positioned in the evaporation tank 6, and the blade sets are arranged at intervals along the axial direction of the rotating shaft 82; each blade group comprises a plurality of blades 83, and the plurality of blades 83 are arranged at intervals along the circumferential direction of the rotating shaft 82.
Specifically, the rotation driving part 81 may be provided as a motor.
By adopting this scheme, the effect of continuously stirring the mixed liquid in the evaporation tank 6 can be realized, and the rate of evaporation of DMAC can be increased.
With continued reference to fig. 1, in a preferred embodiment of the present utility model, the delivery device 2 comprises:
a storage tank 21;
the inlet end of the delivery pump 22 is communicated with the bottom of one side of the storage tank 21 through a pipeline, and the outlet end of the delivery pump 22 is communicated with the middle of one side of the rectifying tower 1 through a pipeline;
a flow control valve 23, the flow control valve 23 being provided on a pipe between the transfer pump 22 and the reservoir 21.
By adopting the scheme, the effect of temporarily storing the waste water containing DMAC to be treated and quantitatively conveying the waste water into the rectifying tower 1 for rectification can be realized.
In addition, the flow control valves 23 are installed on the pipe between the reflux port on the first condenser 3 and the rectifying column 1, the pipe between the first outlet on the first condenser 3 and the first collecting tank 4, the pipe between the bottom of the rectifying column 1 and the liquid inlet on the reboiler 5, the pipe between the second outlet on the reboiler 5 and the evaporating tank 6, the pipe between the third outlet on the second condenser 9 and the second collecting tank 10, and the pipe between the evaporating tank 6 and the third collecting tank 11.
In a preferred embodiment of the utility model, the heating means (not shown) comprises:
the heating sleeve is sleeved on the periphery of the evaporation tank;
the temperature controller is electrically connected with the heating sleeve.
With this configuration, the evaporation tank 6 can be heated and the temperature inside the evaporation tank can be maintained within a set temperature range.
In a preferred embodiment of the present utility model, a temperature sensor (not shown) is further included, and the temperature sensor is disposed at the top of the inner side of the evaporation tank 6, and is electrically connected to the thermostat.
By adopting the scheme, the effect of monitoring the temperature inside the evaporation tank 6 in real time can be realized.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present utility model, and these modifications and substitutions should also be considered as being within the scope of the present utility model.
Claims (6)
1. A DMAC high purity extraction system, comprising:
a rectifying tower;
the conveying device is communicated with the middle part of one side of the rectifying tower;
the condenser I is provided with an air inlet I, a reflux port and a extraction port I, the air inlet I is communicated with the top of the rectifying tower, and the reflux port is communicated with the top of one side of the rectifying tower;
the first collecting tank is communicated with the first extraction outlet;
the reboiler is provided with a liquid inlet, a first air outlet and a second air outlet, the liquid inlet is communicated with the bottom of the rectifying tower, and the first air outlet is communicated with the bottom of one side of the rectifying tower;
the top of one side of the evaporation tank is communicated with the two-phase extraction port on the reboiler, and the top surface of the evaporation tank is provided with a second air outlet;
the exhaust device is arranged on the second air outlet;
the heating device is arranged on the evaporation tank;
the stirring device is arranged on the evaporation tank;
the second condenser is provided with a second air inlet and a third extraction outlet, and the second air inlet is communicated with the exhaust device;
the second collecting tank is communicated with the extraction outlet in a three-phase manner;
and the third collecting tank is communicated with the bottom of one side of the evaporating tank.
2. A DMAC high purity extraction system according to claim 1 wherein the exhaust comprises:
the first movable plate is connected to the bottom of the inner side of the second air outlet in a sliding manner, and a plurality of through holes are formed in the first movable plate;
the second movable plate is connected to the top of the inner side of the second air outlet in a sliding manner;
the two ends of the connecting rod are fixedly connected with the first movable plate and the second movable plate respectively;
the mounting plate is arranged above the second air outlet at intervals;
the support rods are arranged in a plurality, the support rods are arranged at intervals along the circumferential direction of the mounting plate, the top surfaces of the support rods are fixedly connected with the mounting plate, and the bottom surfaces of the support rods are respectively and fixedly connected with the top surface of the evaporation tank;
and two ends of the spring are fixedly connected with the second movable plate and the mounting plate respectively.
3. A DMAC high purity extraction system according to claim 1 wherein the agitation device comprises:
the rotary driving part is fixedly connected to the top surface of the evaporation tank;
one end of the rotating shaft is fixedly connected with the output shaft of the rotary driving component, and the other end of the rotating shaft extends into the evaporation tank and is rotationally connected with the bottom wall of the evaporation tank;
the blade sets are provided with a plurality of groups, the blade sets are all positioned in the evaporation tank, and the blade sets are arranged at intervals along the axial direction of the rotating shaft; each group of blades comprises a plurality of blades, and the blades are arranged at intervals along the circumferential direction of the rotating shaft.
4. A DMAC high purity extraction system according to claim 1 wherein the transport device comprises:
a storage tank;
the inlet end of the delivery pump is communicated with the bottom of one side of the storage tank through a pipeline, and the outlet end of the delivery pump is communicated with the middle part of one side of the rectifying tower through a pipeline;
and the flow control valve is arranged on a pipeline between the delivery pump and the storage tank.
5. The DMAC high purity extraction system of claim 1, wherein the first heating device comprises:
the heating sleeve is sleeved on the periphery of the evaporation tank;
and the temperature controller is electrically connected with the heating sleeve.
6. The DMAC high purity extraction system of claim 5 further comprising a temperature sensor disposed on the top of the inside of the evaporation tank, the temperature sensor being electrically connected to the temperature controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321344958.3U CN219963988U (en) | 2023-05-30 | 2023-05-30 | DMAC high-purity extraction system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321344958.3U CN219963988U (en) | 2023-05-30 | 2023-05-30 | DMAC high-purity extraction system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219963988U true CN219963988U (en) | 2023-11-07 |
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ID=88597166
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321344958.3U Active CN219963988U (en) | 2023-05-30 | 2023-05-30 | DMAC high-purity extraction system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219963988U (en) |
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2023
- 2023-05-30 CN CN202321344958.3U patent/CN219963988U/en active Active
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