CN216855709U - Mixed liquid rectification recovery device - Google Patents
Mixed liquid rectification recovery device Download PDFInfo
- Publication number
- CN216855709U CN216855709U CN202220087625.6U CN202220087625U CN216855709U CN 216855709 U CN216855709 U CN 216855709U CN 202220087625 U CN202220087625 U CN 202220087625U CN 216855709 U CN216855709 U CN 216855709U
- Authority
- CN
- China
- Prior art keywords
- rectification
- storage tank
- rectifying
- recovery device
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The application discloses mix liquid rectification recovery unit, including rectifying column, reation kettle and condenser. The rectifying tower comprises a tower body, a plurality of rectifying layers and a plurality of rectifying tower bodies, wherein the tower body is surrounded into an accommodating cavity, and the accommodating cavity is divided into a plurality of rectifying cavities by the plurality of rectifying layers; a material distributor is arranged in the rectification cavity and is arranged above the rectification layer; the reaction kettle is provided with a reaction cavity, and the reaction cavity is connected with the plurality of material distributors through a feeding pipe; the feed end of the condenser is connected with the containing cavity through a steam inlet pipe, and the discharge end of the condenser is respectively connected with the product storage tank, the toluene storage tank and the methanol storage tank through a discharge pipe; the methanol storage tank and the toluene storage tank are respectively connected with the feeding pipe through a first return pipe and a second return pipe. The rectification recovery device is high in recovery efficiency and recovery purity.
Description
Technical Field
The application belongs to the technical field of chemical reaction equipment, and particularly relates to a mixed liquid rectification and recovery device.
Background
In the production process of the 3-oxo-tetrahydrothiophene-4-carboxylic acid methyl ester, a large amount of mixed liquor of the 3-oxo-tetrahydrothiophene-4-carboxylic acid methyl ester, methanol and toluene is generated, in most of the production processes, after the product (the 3-oxo-tetrahydrothiophene-4-carboxylic acid methyl ester) is separated from the methanol and the toluene in a rectification mode, the mixed liquor of the methanol and the toluene is directly used as a waste solvent for treatment, on one hand, the resource waste of the methanol and the toluene is caused, and on the other hand, the rectification efficiency of the existing rectification mode is low.
It will thus be seen that the prior art is susceptible to further improvement and enhancement.
SUMMERY OF THE UTILITY MODEL
The utility model provides a mixed liquid rectification recovery device, which aims to solve at least one of the technical problems.
In order to achieve the purpose, the utility model provides a mixed liquid rectification and recovery device which comprises a rectification tower, a reaction kettle and a condenser. The rectifying tower comprises a tower body, a plurality of rectifying layers and a plurality of rectifying tower bodies, wherein the tower body is surrounded into an accommodating cavity, and the accommodating cavity is divided into a plurality of rectifying cavities by the plurality of rectifying layers; a material distributor is arranged in the rectification cavity and is arranged above the rectification layer; the reaction kettle is provided with a reaction cavity, and the reaction cavity is connected with the plurality of material distributors through a feeding pipe; the feed end of the condenser is connected with the containing cavity through a steam inlet pipe, and the discharge end of the condenser is respectively connected with the product storage tank, the toluene storage tank and the methanol storage tank through a discharge pipe; the methanol storage tank and the toluene storage tank are respectively connected with the feeding pipe through a first return pipe and a second return pipe.
According to the method, the plurality of rectifying layers are arranged in the accommodating cavity, and the accommodating cavity is divided into the plurality of rectifying cavities by the plurality of rectifying layers, namely, the plurality of rectifying towers are integrated, so that the 3-oxo-tetrahydrothiophene-4-carboxylic acid methyl ester, the methanol and the methylbenzene in the reaction cavity enter the plurality of rectifying cavities through the feeding pipes for rectification, and the rectification efficiency is improved; this application is passed through the rectifying column and is linked to each other with the product storage tank, toluene and methyl alcohol storage tank respectively via the condenser, can be according to 3-oxo-tetrahydrothiophene-4-carboxylic acid methyl ester, the boiling point of methyl alcohol and toluene is different, retrieve 3-oxo-tetrahydrothiophene-4-carboxylic acid methyl ester, methyl alcohol and toluene to product storage tank, methyl alcohol storage tank and toluene storage tank in proper order, wherein when detecting that product purity is lower, directly make the product via methyl alcohol storage tank or toluene storage tank then get into the rectifying column once more and rectify in order to improve product purity. The rectification recovery device is high in recovery efficiency and recovery purity.
In a preferred implementation mode, the outer side wall of the rectifying tower is provided with a heat preservation heating layer. This application can play heat retaining effect to the rectifying column through the setting of heat preservation zone of heating, avoids calorific loss at the in-process of rectification.
In a preferred implementation, the rectification layer comprises a liquid distributor and a packing layer, and the liquid distributor is arranged below the packing layer. The material sprays the material to the rectifying column via material distributor, and the rectifying column heating, the heating in-process, the material liquefaction that the boiling point is high, the material vaporization that the boiling point is low, this application is through the setting of packing layer, can make liquid phase material and vapor phase material fully contact the heat transfer, and the material after the liquefaction finally gets into liquid distributor, and the material after the vaporization gets into the condenser via the admission pipe.
In preferred realization, the discharging pipe links to each other with product storage tank, toluene storage tank and methyl alcohol storage tank respectively through ejection of compact branch pipe, and ejection of compact branch pipe is provided with first control valve.
In a preferred implementation, the feed pipe is provided with a second control valve. This application can be according to the rectification speed control input speed of rectifying column through the setting of second control valve.
In a preferred realization, the material distributor is provided with a plurality of spray heads, and the plurality of spray heads are arranged towards the rectifying layer. This application sets up the material distributor into the toper shape, and the material distributor is provided with a plurality of shower nozzles, can be with even spraying to the rectification chamber of material.
In a preferred implementation, the condenser includes a housing enclosing a condensation chamber, the condensation chamber having a spiral tube disposed therein. This application is through the setting of spiral pipe, can increase the heat transfer area of the material after condensate and the vaporization to the liquefaction of material after the acceleration vaporization.
In a preferred implementation, the insulating heating layer is provided as an electric tracing band.
In a preferred implementation mode, the device further comprises a plate frame pressure washer, and the plate frame pressure washer is connected with the bottom of the rectifying tower. This application is through the setting of plate frame pressure washer, can filter the solid salinity that the rectifying column produced at the rectification in-process.
In a preferred implementation, the packing layer is provided as a ceramic corrugated packing. This application is through setting up the condiment layer into ceramic ripple and packs, can increase the heat transfer area of liquid phase material and vapor phase material, improves heat exchange efficiency.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and not to limit the utility model. In the drawings:
fig. 1 is a structural view of a mixed liquid rectification and recovery device according to an embodiment of the present application.
Description of reference numerals:
1. a rectifying tower; 101. an accommodating chamber; 102. a rectifying layer; 103. a rectification chamber; 104. a feed pipe; 1041. a second control valve; 105. a material distributor; 106. a heat preservation heating layer;
2. a reaction kettle; 201. a reaction chamber;
3. a condenser; 301. a steam inlet pipe; 302. a discharge pipe; 303. a discharge branch pipe; 3031. a first control valve; 304. a condensation chamber; 305. a spiral tube;
401. a product storage tank; 402. a toluene storage tank; 4021. a first return pipe; 403. a methanol storage tank; 4031. and the second material return pipe.
Detailed Description
In order to more clearly explain the overall concept of the present invention, the following detailed description is given by way of example in conjunction with the accompanying drawings.
It should be noted that in the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the scope of the present invention is not limited by the specific embodiments disclosed below.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "inside", "outside", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate.
In the present invention, unless otherwise expressly stated or limited, the terms "connected" and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection, or an integral part; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. However, the direct connection means that the two bodies are not connected to each other by the intermediate structure but connected to each other by the connecting structure to form a whole. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Descriptions in this specification as relating to "first", "second", etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to any indicated technical feature or quantity. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
As shown in fig. 1, the present invention provides a mixed liquid distillation recovery device, which comprises a distillation tower 1, a reaction kettle 2 and a condenser 3. The rectifying tower 1 is enclosed to form an accommodating cavity 101, a plurality of rectifying layers 102 are arranged in the accommodating cavity 101, and the accommodating cavity 101 is divided into a plurality of rectifying cavities 103 by the plurality of rectifying layers 102; a material distributor 105 is arranged in the rectification cavity 103, and the material distributor 105 is arranged above the rectification layer 102; the reaction kettle 2 is provided with a reaction cavity 201, and the reaction cavity 201 is connected with a plurality of material distributors 105 through a feeding pipe 104; the feed end of the condenser 3 is connected with the accommodating cavity 101 through a steam inlet pipe 301, and the discharge end of the condenser 3 is respectively connected with a product storage tank 401, a toluene storage tank 402 and a methanol storage tank 403 through a discharge pipe 302; methanol tank 403 and toluene tank 402 are connected to feed line 104 via first return line 4021 and second return line 4031, respectively.
From the above description, it can be seen that the present invention achieves the following technical effects:
according to the rectifying device, the plurality of rectifying layers 102 are arranged in the accommodating cavity 101, the accommodating cavity 101 is divided into the plurality of rectifying cavities 103 by the plurality of rectifying layers 102, namely, the plurality of rectifying towers 1 are integrated, so that the 3-oxo-tetrahydrothiophene-4-methyl carboxylate, methanol and toluene in the reaction cavity 201 enter the plurality of rectifying cavities 103 through the feeding pipe 104 for rectification, and the rectifying efficiency is improved; this application is passed through rectifying column 1 and is linked to each other with product storage tank 401, toluene and methyl alcohol storage tank 403 respectively via condenser 3, can be according to the boiling point difference of 3-oxo-tetrahydrothiophene-4-carboxylic acid methyl ester, methyl alcohol and toluene, retrieve 3-oxo-tetrahydrothiophene-4-carboxylic acid methyl ester, methyl alcohol and toluene to product storage tank 401, methyl alcohol storage tank 403 and toluene storage tank 402 in proper order, wherein when detecting that the product purity is lower, directly make the product go through methyl alcohol storage tank 403 or toluene storage tank 402 then enter rectifying column 1 again and rectify in order to improve product purity. The rectification recovery device is high in recovery efficiency and recovery purity.
In one embodiment, the outer sidewall of the rectification column 1 is provided with an insulating heating layer 106. This application can play heat retaining effect to rectifying column 1 through the setting of heat preservation zone of heating 106, avoids calorific loss at the in-process of rectification. Of course, those skilled in the art will appreciate that the insulating heating layer 106 is provided as an electric tracing band.
In one embodiment, rectifying layer 102 comprises a liquid distributor and a packing layer, with the liquid distributor being disposed below the packing layer. The material sprays the material to rectifying layer 102 via material distributor 105, and rectifying column 1 heats, and in the heating process, the material liquefaction that the boiling point is high, the material vaporization that the boiling point is low, and this application passes through the setting of packing layer, can make liquid phase material and vapor phase material fully contact the heat transfer, and the material after the liquefaction finally gets into liquid distributor, and the material after the vaporization gets into condenser 3 via admission pipe 301.
In one embodiment, the outlet pipe 302 is connected to a product tank 401, a toluene tank 402, and a methanol tank 403 via outlet branch pipes 303, respectively, the outlet branch pipes 303 being provided with first control valves 3031. In specific implementation, the rectification recovery device further comprises a controller, a detection device is arranged at a branch pipe of the product storage tank 401, the detection device can output a purity value signal to the controller, the controller is provided with a preset purity value related to the product, and when the purity value of the purity value signal is smaller than the preset purity value, the controller outputs a closing signal to the first control valve 3031.
In one embodiment, the feed line 104 is provided with a second control valve 1041. This application can be according to the speed control input of rectifying column 1's rectification through the setting of second control valve 1041.
In one embodiment, the material distributor 105 is provided in a conical shape, and the material distributor 105 is provided with a plurality of spray heads, which are arranged towards the rectifying layer 102. This application sets up material distributor 105 to the toper shape through, and material distributor 105 is provided with a plurality of shower nozzles, can be with even the spraying to rectification chamber 103 of material.
In one embodiment, the condenser 3 includes a housing enclosing a condensing chamber 304, and a coil 305 is disposed within the condensing chamber 304. This application passes through the setting of spiral pipe 305, can increase the heat transfer area of condensate and the material after the vaporization to accelerate the liquefaction of material after the vaporization.
In one embodiment, the rectification tower further comprises a plate frame pressure washer, and the plate frame pressure washer is connected with the bottom of the rectification tower 1. This application is through the setting of plate frame pressure washer, can filter the solid salinity that rectifying column 1 produced at the rectification in-process.
In one embodiment, the packing layer is provided as a ceramic corrugated packing. This application is through setting up the condiment layer into ceramic ripple and packs, can increase the heat transfer area of liquid phase material and vapor phase material, improves heat exchange efficiency.
The method can be realized by adopting or referring to the prior art in places which are not described in the utility model.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments.
The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (10)
1. A mixed liquid rectification recovery device is characterized by comprising:
the rectifying tower is surrounded to form an accommodating cavity, a plurality of rectifying layers are arranged in the accommodating cavity, and the accommodating cavity is divided into a plurality of rectifying cavities by the plurality of rectifying layers; a material distributor is arranged in the rectifying cavity and is arranged above the rectifying layer;
the reaction kettle is provided with a reaction cavity, and the reaction cavity is connected with the plurality of material distributors through a feeding pipe;
the feed end of the condenser is connected with the accommodating cavity through a steam inlet pipe, and the discharge end of the condenser is respectively connected with the product storage tank, the toluene storage tank and the methanol storage tank through a discharge pipe; the toluene storage tank and the methanol storage tank are respectively connected with a feeding pipe through a first return pipe and a second return pipe.
2. The mixed liquor rectification recovery device as claimed in claim 1, wherein the outer side wall of the rectification tower is provided with a heat insulation heating layer.
3. The mixed liquid rectification recovery device according to claim 1, wherein the rectification layer comprises a liquid distributor and a packing layer, and the liquid distributor is arranged below the packing layer.
4. The mixed liquid rectification and recovery device according to claim 1, wherein the discharge pipe is connected with the product storage tank, the toluene storage tank and the methanol storage tank through discharge branch pipes, and the discharge branch pipes are provided with first control valves.
5. A mixed liquor distillation recovery device as claimed in claim 1 wherein the feed pipe is provided with a second control valve.
6. A mixed liquor rectification and recovery apparatus as claimed in claim 1 wherein the material distributor is provided in a conical shape, the material distributor being provided with a plurality of spray heads, the plurality of spray heads being disposed toward the rectification layer.
7. The mixed liquid rectification and recovery device according to claim 1, wherein the condenser comprises a shell, the shell encloses a condensation cavity, and a spiral pipe is arranged in the condensation cavity.
8. A mixed liquor distillation recovery device as claimed in claim 2, wherein the heat insulating heating layer is provided as an electric tracing band.
9. A mixed liquor rectification recovery device as claimed in claim 1 further comprising a plate and frame pressure washer, wherein the plate and frame pressure washer is connected to the bottom of the rectification column.
10. A mixed liquor rectification and recovery device as claimed in claim 3 wherein the packing layer is a ceramic corrugated packing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220087625.6U CN216855709U (en) | 2022-01-13 | 2022-01-13 | Mixed liquid rectification recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220087625.6U CN216855709U (en) | 2022-01-13 | 2022-01-13 | Mixed liquid rectification recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216855709U true CN216855709U (en) | 2022-07-01 |
Family
ID=82150705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220087625.6U Active CN216855709U (en) | 2022-01-13 | 2022-01-13 | Mixed liquid rectification recovery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216855709U (en) |
-
2022
- 2022-01-13 CN CN202220087625.6U patent/CN216855709U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102766021B (en) | Production system and production method for continuously producing ethanol by ethyl acetate through using hydrogenation | |
| CN216855709U (en) | Mixed liquid rectification recovery device | |
| CN202660527U (en) | Efficient boiler thermal deaerator | |
| CN2903059Y (en) | Production apparatus of producing dimethyl ether by gas phase catalyzing methanol dehydrolysis | |
| CN216909193U (en) | Traditional chinese medicine flash distillation concentrator | |
| CN212039082U (en) | Rectifier for chemical production | |
| CN110433517A (en) | A kind of cyclohexyl isocyanate rectifying column | |
| CN105418369B (en) | The separator and method of glycerine and methyl alcohol are produced in a kind of biodiesel processes | |
| CN108371825A (en) | A kind of mocromembrane evaporator, the distillation system comprising mocromembrane evaporator and the rectificating method using mocromembrane evaporator | |
| CN209060583U (en) | A kind of cyclohexanol is from backheat rectifying column reboiler | |
| CN208927622U (en) | Carbendazim synthesizes continuous Double-Tower Structure in rectification process | |
| CN109180636A (en) | It is a kind of to extract the device and method that synthesizing triformol is coupled with catalysis technique | |
| CN217015376U (en) | High-efficiency fractionating column | |
| CN104147800A (en) | Two-stage methanol evaporation column and methanol evaporation technology method | |
| CN218130023U (en) | Quick distillation device | |
| CN110772815A (en) | Multi-field synergistic microwave liquid-phase constant-temperature desorption integrated system | |
| CN217367196U (en) | Novel distillation column is used in 1, 4-butanediol preparation | |
| RU2312695C1 (en) | Vertical shell-and-tube apparatus for the steam condensation and concentration of the impurities of the ethyl alcohol | |
| CN211097565U (en) | Multi-field synergistic microwave liquid-phase constant-temperature desorption integrated system | |
| CN216755428U (en) | High-efficient rectification system | |
| CN217297631U (en) | Multi-return-stroke hydrothermal reactor | |
| CN210495252U (en) | High-efficiency evaporation device | |
| CN211864944U (en) | Cyanopyridine raw material vaporizer | |
| CN108355367A (en) | Naphthalene vaporising device in phthalic anhydride preparation process | |
| CN214747330U (en) | Condenser in alkyd production |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |