CN220656437U - Alcohol recovery system in xanthan gum production - Google Patents
Alcohol recovery system in xanthan gum production Download PDFInfo
- Publication number
- CN220656437U CN220656437U CN202322250288.5U CN202322250288U CN220656437U CN 220656437 U CN220656437 U CN 220656437U CN 202322250288 U CN202322250288 U CN 202322250288U CN 220656437 U CN220656437 U CN 220656437U
- Authority
- CN
- China
- Prior art keywords
- rectifying tower
- tower
- rectifying
- alcohol
- xanthan gum
- 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
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 title claims abstract description 73
- 238000011084 recovery Methods 0.000 title claims abstract description 25
- 229920001285 xanthan gum Polymers 0.000 title claims abstract description 23
- 229940082509 xanthan gum Drugs 0.000 title claims abstract description 23
- 235000010493 xanthan gum Nutrition 0.000 title claims abstract description 23
- 239000000230 xanthan gum Substances 0.000 title claims abstract description 23
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 238000010992 reflux Methods 0.000 claims abstract description 31
- 239000007788 liquid Substances 0.000 claims abstract description 29
- 238000005507 spraying Methods 0.000 claims abstract description 21
- 239000007921 spray Substances 0.000 claims description 26
- 239000007791 liquid phase Substances 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 7
- 238000004821 distillation Methods 0.000 abstract description 4
- 239000002994 raw material Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Abstract
The utility model discloses an alcohol recovery system in xanthan gum production, and belongs to the field of alcohol recovery. Comprising the following steps: the first rectifying tower, the second rectifying tower and the third rectifying tower are sequentially connected; the top of the first rectifying tower, the top of the second rectifying tower and the top of the third rectifying tower are respectively provided with a gas outlet and a reflux inlet, the bottom of the first rectifying tower, the top of the second rectifying tower and the top of the third rectifying tower are respectively provided with a liquid outlet and a gas inlet, the middle of the first rectifying tower is respectively provided with a feeding hole, and the inside of the first rectifying tower, the second rectifying tower, the first annular spraying groove and the second annular spraying groove are respectively provided with a first tower plate group, a second tower plate group and a first annular spraying groove. By arranging the three-effect distillation device, a large amount of steam consumption can be saved in the process of recovering the alcohol from the xanthan gum, the utilization rate of the alcohol is improved, the raw material treatment amount is large, the labor is saved, and a large amount of purchasing cost of enterprises is saved.
Description
Technical Field
The utility model belongs to the field of alcohol recovery, and particularly relates to an alcohol recovery system in xanthan gum production.
Background
In the production process of the xanthan gum, 85-88% alcohol is needed for extracting the xanthan gum, the extracted xanthan gum is evaporated to obtain a xanthan gum product, and the concentration of the evaporated alcohol is reduced by about 40-50%. Because the consumption of the alcohol is extremely large, the evaporated light alcohol is required to be recovered, so that the cost is reduced, and the recovery amount of the light alcohol per day can reach about 3000 tons.
At present, single-effect or double-effect distillation is mostly adopted in the market, and when one ton of 85% alcohol is recovered, the consumption of primary steam and secondary steam is huge, the energy consumption is higher, and the recovery efficiency is low. Meanwhile, the rectifying tower adopted by single-effect or multi-effect rectification has the problem of serious heat loss due to small gas-liquid contact area and time period.
Disclosure of Invention
In view of the above-mentioned deficiencies of the prior art, it is an object of the present utility model to provide an alcohol recovery system in the production of xanthan gum. According to the second law and the third law of thermodynamics, the utility model adopts a triple-effect distillation energy-saving high-efficiency technology to recover alcohol.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an alcohol recovery system in xanthan gum production, comprising:
the first rectifying tower, the second rectifying tower and the third rectifying tower are sequentially connected;
the top of the first rectifying tower, the top of the second rectifying tower and the top of the third rectifying tower are respectively provided with a gas outlet and a reflux inlet, the bottom of the first rectifying tower and the top of the third rectifying tower are respectively provided with a liquid outlet and a gas inlet, the middle of the first rectifying tower and the bottom of the third rectifying tower are respectively provided with a feed inlet, and the inside of the first rectifying tower is respectively provided with a first tower plate group, a second tower plate group, a first annular spraying groove and a second annular spraying groove; the first tower plate group is arranged below the reflux inlet and above the feed inlet, and the second tower plate group is arranged below the feed inlet and above the gas inlet; the first annular spraying groove is positioned below the reflux inlet and above the first tower plate group, and the second annular spraying groove is positioned below the feed inlet and above the second tower plate group;
the liquid outlet of the first rectifying tower is communicated with the feed inlet of the second rectifying tower, and the liquid outlet of the second rectifying tower is communicated with the feed inlet of the third rectifying tower.
Preferably, the liquid outlets of the first rectifying tower, the second rectifying tower and the third rectifying tower are respectively connected with a first reboiler, a second reboiler and a third reboiler.
Preferably, the gas outlet of the first rectifying tower is sequentially communicated with the second reboiler, the first reflux pump and the reflux inlet of the first rectifying tower; the liquid outlet of the first rectifying tower is communicated with the feed inlet of the second rectifying tower.
Preferably, the gas outlet of the second rectifying tower is sequentially communicated with the third reboiler, the second reflux pump and the reflux inlet of the second rectifying tower; the liquid outlet of the second rectifying tower is communicated with the feed inlet of the third rectifying tower.
Preferably, the gas outlet of the third rectifying tower is respectively communicated with the condenser and the reflux inlet of the third rectifying tower.
Preferably, the gas outlets of the first rectifying tower, the second rectifying tower and the third rectifying tower are communicated with a finished product condenser.
Preferably, the feed inlet of the first rectifying tower is also connected with a solid-liquid separator.
Preferably, the first annular spraying groove and the second annular spraying groove are both composed of an annular liquid phase groove and a spraying pipeline, and the spraying pipeline is radially communicated with the annular liquid phase groove.
Preferably, a plurality of spray heads are arranged on the spray pipeline.
The utility model has the beneficial effects that:
(1) By arranging the three-effect distillation device, a large amount of steam consumption can be saved in the process of recovering the alcohol from the xanthan gum, the utilization rate of the alcohol is improved, the raw material treatment amount is large, the labor is saved, and a large amount of purchasing cost of enterprises is saved.
(2) According to the utility model, the annular spraying devices are arranged in the three rectifying towers, so that gas and liquid in the rectifying towers can be fully contacted, the heat loss is reduced, the heat utilization rate is improved, the runoff effect is enhanced, and the alcohol recovery efficiency is improved.
Drawings
Fig. 1: the flow structure of the utility model is schematically shown.
Fig. 2: the structure of the rectifying tower is schematically shown.
Fig. 3: a top view of the annular spray tank.
Wherein, 1-first rectifying tower, 2-second rectifying tower, 3-third rectifying tower, 4-first reboiler, 5-second reboiler, 6-third reboiler, 7-gas outlet, 8-first reflux pump, 9-reflux inlet, 10-liquid outlet, 11-feed inlet, 12-second reflux pump, 13-condenser, 14-finished product condenser, 15-solid-liquid separator, 16-gas inlet, 17-first column plate group, 18-second column plate group, 19-first annular spray tank, 20-second annular spray tank, 21-annular liquid phase tank, 22-spray pipeline, 23-shower nozzle.
Detailed Description
It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the present application. 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 application belongs.
In order to enable those skilled in the art to more clearly understand the technical solutions of the present application, the technical solutions of the present application will be described in detail below with reference to specific embodiments.
The utility model provides an alcohol recovery system in xanthan gum production, as shown in figure 1, comprising:
the first rectifying tower 1, the second rectifying tower 2 and the third rectifying tower 3 are connected in sequence; the liquid outlet 10 of the first rectifying tower 1 is communicated with the feed inlet 11 of the second rectifying tower 2, and the liquid outlet 10 of the second rectifying tower 2 is communicated with the feed inlet 11 of the third rectifying tower 3;
the liquid outlets 10 of the first rectifying tower 1, the second rectifying tower 2 and the third rectifying tower 3 are respectively connected with a first reboiler 4, a second reboiler 5 and a third reboiler 6. The gas outlet 7 of the first rectifying tower 1 is sequentially communicated with the second reboiler 5, the first reflux pump 8 and the reflux inlet 9 of the first rectifying tower 1; the liquid outlet 10 of the first rectifying column 1 is in communication 11 with the feed inlet of the second rectifying column 2. The gas outlet 7 of the second rectifying tower 2 is sequentially communicated with a third reboiler 6, a second reflux pump 12 and a reflux inlet 9 of the second rectifying tower 2; the liquid outlet 10 of the second rectifying column 2 is communicated with the feed inlet 11 of the third rectifying column 3. The gas outlet 7 of the third rectifying tower 3 is respectively communicated with the condenser 13 and the reflux inlet 9 of the third rectifying tower 3. The gas outlets 7 of the first rectifying tower 1, the second rectifying tower 2 and the third rectifying tower 3 are communicated with a finished product condenser 14. The feed inlet 11 of the first rectifying tower 1 is also connected with a solid-liquid separator 15.
As shown in fig. 2, the top parts of the first rectifying tower 1, the second rectifying tower 2 and the third rectifying tower 3 are respectively provided with a gas outlet 7 and a reflux inlet 9, the bottom parts are respectively provided with a liquid outlet 10 and a gas inlet 16, the middle parts are respectively provided with a feed inlet 11, and the interiors are respectively provided with a first tower plate group 17, a second tower plate group 18, a first annular spray groove 19 and a second annular spray groove 20; the first tray set 17 is arranged below the reflux inlet 9 and above the feed inlet 11, and the second tray set 18 is arranged below the feed inlet 11 and above the gas inlet 16; the first annular spraying groove 19 is positioned below the reflux inlet 9 and above the first tower plate group 17, and the second annular spraying groove 20 is positioned below the feed inlet 11 and above the second tower plate group 18.
As shown in fig. 3, the first annular spray tank 19 and the second annular spray tank 20 are each composed of an annular liquid phase tank 21 and a spray pipe 22, and the spray pipe 22 is in radial communication with the annular liquid phase tank 21. The spray pipeline 22 is provided with a plurality of spray heads 23.
The working flow is as follows:
the light alcohol raw material with xanthan gum solids is firstly introduced into a solid-liquid separator, the separated xanthan gum solids are recovered, and the light alcohol solution enters a first rectifying tower through a feed inlet.
In the first rectifying tower, the light alcohol solution firstly flows into a second annular liquid phase groove in the middle part and then is sprayed out through a spray head on a spray pipeline; continuously concentrating the light alcohol solution in the middle part after being heated at high temperature, enabling alcohol steam to enter the top of the tower upwards, enabling the alcohol steam to enter a second reboiler from a gas discharge port, enabling the alcohol steam to be condensed by the alcohol steam and simultaneously providing a heat source for the second rectifying tower, enabling part of condensed alcohol to be extracted as a finished product, enabling the condensed alcohol to flow to a finished product condenser, enabling the other part of the condensed alcohol to flow to a reflux inlet of the first rectifying tower, enabling the condensed alcohol steam to enter the top of the tower again, and enabling the condensed alcohol steam to be sprayed out of a first annular spraying groove of the top of the tower; the light alcohol solution continuously flows downwards to the bottom and flows into the middle part of the second rectifying tower from the liquid discharge port.
In the second rectifying tower, the light alcohol solution firstly flows into a second annular liquid phase groove in the middle part and then is sprayed out through a spray head on a spray pipeline; continuously concentrating the light alcohol solution in the middle part after being heated at high temperature, enabling alcohol steam to enter the top of the tower upwards, enabling the alcohol steam to enter a third reboiler from a gas discharge port, enabling the alcohol steam to be condensed by the alcohol steam and simultaneously providing a heat source for the third rectifying tower, enabling part of condensed alcohol to be extracted as a finished product, enabling the condensed alcohol to flow to a finished product condenser, enabling the other part of the condensed alcohol to flow to a reflux inlet of the second rectifying tower, enabling the condensed alcohol steam to enter the top of the tower again, and enabling the condensed alcohol steam to be sprayed out of a first annular spraying groove of the top of the tower; the light alcohol solution continuously flows downwards to the bottom and flows into the middle part of the third rectifying tower from the liquid discharge port.
In the third rectifying tower, the light alcohol solution firstly flows into a second annular liquid phase groove in the middle part and then is sprayed out through a spray head on a spray pipeline; continuously concentrating the light alcohol solution in the middle part after being heated at high temperature, enabling alcohol steam to enter the tower top upwards, enabling the alcohol steam to enter the condenser from the gas discharge port, enabling part of condensed alcohol to be extracted as a finished product, enabling the condensed alcohol to flow to the finished product condenser, enabling the other part of condensed alcohol to flow to the reflux inlet of the second rectifying tower to enter the tower top again, and enabling the condensed alcohol steam to be sprayed out of the first annular spraying groove of the tower top; the light alcohol solution continuously flows downwards to the bottom, at the moment, the alcohol content in the light alcohol solution is lower than three parts per million, and the light alcohol solution is discharged out of the third rectifying tower as wastewater.
The amounts of steam consumed and daily alcohol recovered in the single-effect rectification, the double-effect rectification, the common triple-effect rectification and the embodiment of the utility model mentioned in the background art are shown in the table 1.
Table 1: recovery of the amount of steam consumed per ton of alcohol and the daily recovery of alcohol
As can be seen from Table 1, the alcohol recovery device of the present utility model can further reduce the amount of steam used, increase the energy utilization rate, and increase the production efficiency of alcohol recovery, relative to single-effect rectification, double-effect rectification, and common triple-effect rectification.
The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the same, but rather, various modifications and variations may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.
Claims (9)
1. Alcohol recovery system in xanthan gum production, characterized by comprising:
the first rectifying tower, the second rectifying tower and the third rectifying tower are sequentially connected;
the top of the first rectifying tower, the top of the second rectifying tower and the top of the third rectifying tower are respectively provided with a gas outlet and a reflux inlet, the bottom of the first rectifying tower and the top of the third rectifying tower are respectively provided with a liquid outlet and a gas inlet, the middle of the first rectifying tower and the bottom of the third rectifying tower are respectively provided with a feed inlet, and the inside of the first rectifying tower is respectively provided with a first tower plate group, a second tower plate group, a first annular spraying groove and a second annular spraying groove; the first tower plate group is arranged below the reflux inlet and above the feed inlet, and the second tower plate group is arranged below the feed inlet and above the gas inlet; the first annular spraying groove is positioned below the reflux inlet and above the first tower plate group, and the second annular spraying groove is positioned below the feed inlet and above the second tower plate group;
the liquid outlet of the first rectifying tower is communicated with the feed inlet of the second rectifying tower, and the liquid outlet of the second rectifying tower is communicated with the feed inlet of the third rectifying tower.
2. The alcohol recovery system in xanthan gum production according to claim 1, wherein the liquid outlets of the first rectifying tower, the second rectifying tower and the third rectifying tower are respectively connected with a first reboiler, a second reboiler and a third reboiler.
3. The alcohol recovery system in xanthan gum production according to any one of claims 1-2, wherein the gas outlet of the first rectifying column is in communication with the second reboiler, the first reflux pump and the reflux inlet of the first rectifying column in sequence; the liquid outlet of the first rectifying tower is communicated with the feed inlet of the second rectifying tower.
4. The alcohol recovery system in xanthan gum production according to any one of claims 1-2, wherein the gas outlet of the second rectifying column is in communication with the third reboiler, the second reflux pump and the reflux inlet of the second rectifying column in sequence; the liquid outlet of the second rectifying tower is communicated with the feed inlet of the third rectifying tower.
5. The alcohol recovery system in xanthan gum production according to claim 1, wherein the gas outlet of the third rectifying column is respectively in communication with the condenser and the reflux inlet of the third rectifying column.
6. The alcohol recovery system in xanthan gum production according to claim 1, wherein the gas outlets of the first, second and third rectifying towers are all in communication with a finished product condenser.
7. The alcohol recovery system in xanthan gum production according to claim 1, wherein the feed inlet of the first rectifying tower is further connected with a solid-liquid separator.
8. The alcohol recovery system in xanthan gum production according to claim 1, wherein the first annular spray tank and the second annular spray tank are each comprised of an annular liquid phase tank and a spray pipe, the spray pipe being in radial communication with the annular liquid phase tank.
9. The alcohol recovery system according to claim 8, wherein the spray pipe is provided with a plurality of spray heads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322250288.5U CN220656437U (en) | 2023-08-21 | 2023-08-21 | Alcohol recovery system in xanthan gum production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322250288.5U CN220656437U (en) | 2023-08-21 | 2023-08-21 | Alcohol recovery system in xanthan gum production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220656437U true CN220656437U (en) | 2024-03-26 |
Family
ID=90331756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322250288.5U Active CN220656437U (en) | 2023-08-21 | 2023-08-21 | Alcohol recovery system in xanthan gum production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220656437U (en) |
-
2023
- 2023-08-21 CN CN202322250288.5U patent/CN220656437U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101475899B (en) | Thermal coupling apparatus and process for alcohol differential pressure distillation and waste liquor concentrate of molasses raw material | |
| CN101703840A (en) | Four-effect rectification system for synthesizing leather dimethyl formamide solution by wet method and recovery method | |
| CN111437619A (en) | Multi-tower differential pressure energy-saving anhydrous alcohol distillation system and anhydrous alcohol energy-saving production method | |
| CN103214346A (en) | Recovering process of solvent tertiary butanol in production process of ammoximation | |
| CN104151135A (en) | Molassess raw material top-grade alcohol distillation and waste liquid concentration thermal coupling device and process | |
| CN202246318U (en) | Composite steam stripping ammonia-removing tower | |
| CN205328898U (en) | System for triple effect evaporates rectification technology against current handles glycine mother liquor | |
| CN108546243A (en) | A kind of lithium battery production double tower NMP recycling purification systems and its recycling method of purification | |
| CN220656437U (en) | Alcohol recovery system in xanthan gum production | |
| CN203307083U (en) | Negative pressure ammonia distiller by using raw gas waste heat as heat source | |
| CN112079405A (en) | Coking residual ammonia water negative pressure ammonia distillation energy-saving device | |
| CN207418634U (en) | A kind of acetonitrile film filter | |
| CN109721054A (en) | The production method and device of scale electronic grade high-purity carbon dioxide | |
| CN212818177U (en) | Multi-tower differential pressure energy-saving anhydrous alcohol distillation system | |
| CN210314061U (en) | Rectification and purification device for synthesizing dimethyl oxalate by carbonylation of coal-made ethylene glycol | |
| CN210096970U (en) | Furfural multiple-effect reaction rectifying device | |
| CN202173793U (en) | Alcohol prefractionator reboiling system using centrifugal clear liquid as cyclic medium | |
| CN111848401A (en) | Device and process for refining dimethyl carbonate by energy coupling with partition wall tower | |
| CN112174773A (en) | Dichloromethane recovery device and method in wet lithium battery diaphragm production process | |
| CN106966865A (en) | The system that a kind of technique in three-effect countercurrent evaporation rectification process handles glycine crystallization mother liquid | |
| CN220194017U (en) | Crude methanol three-tower three-effect heat pump refining process device | |
| CN219558748U (en) | Energy-saving system for 1, 4-butanediol process | |
| CN220159255U (en) | Device for recovering acetonitrile through rough steaming, extraction, dehydration, concentration and concentration | |
| CN201801393U (en) | Multiple-effect equipment used in energy-saving ammonia recovering process | |
| CN216536961U (en) | Thermal coupling methanol rectifying device of side line and bulkhead recovery tower |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |