CN207856352U - A kind of equipment of purification spent lye - Google Patents
A kind of equipment of purification spent lye Download PDFInfo
- Publication number
- CN207856352U CN207856352U CN201721735781.4U CN201721735781U CN207856352U CN 207856352 U CN207856352 U CN 207856352U CN 201721735781 U CN201721735781 U CN 201721735781U CN 207856352 U CN207856352 U CN 207856352U
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- CN
- China
- Prior art keywords
- pump
- rectifying column
- reboiler
- feed inlet
- lye
- 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.)
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Abstract
The utility model provides a kind of equipment of purification spent lye, including rectifying column and reboiler, feed inlet is equipped in the middle part of rectifying column, the feed inlet connects raw material pump, the rectifier bottoms discharge port and reboiler bottom discharge mouth are connect with lye pump, the feed inlet of discharge port and horizontal condenser connects at the top of rectifying column, the horizontal condenser is equipped with cooling liquid return hole and cooling upper liquid mouth, cooling upper liquid pipeline is provided with filter and chlorination mouth, horizontal condenser connects backflash, the backflash is connected to the upper return mouth of rectifying column by reflux pump and reflux line, reboiler top is equipped with saturated vapor air inlet, top is equipped with feeding port, the feeding port is connect by flowmeter with the feed inlet of rectifying column lower part, the exit of the raw material pump, the air inlet of reboiler and the discharge port of reflux pump are equipped with flowmeter.The equipment good separating effect effectively reduces operating pressure and energy consumption, energy saving significant effect.
Description
Technical field
The utility model belongs to chemical industry equipment rectifying separation technology field, and in particular to a kind of equipment of purification spent lye.
Background technology
Viscose rayon is one of main chemical fibre kind, and the viscose glue of viscose rayon needs consumption a large amount of in preparation process
Caustic soda, and generate a large amount of spent lye, wherein the content of impurity fiber element can gradually rise with recycling, cause lye without
Method recycles, therefore, the efficient energy-saving device of spent lye in need of immediate treatment.Due in raw material contain ethyl alcohol, buck, cellulose with
And other impurities, mainly there are electrolytic electro-dialysis method, chemical oxidization method, the precipitation method, absorption to the processing of spent lye in the prior art
Method, solvent extraction and biochemical treatment process etc., chemical oxidization method high treating effect, but there is investment and operating cost height, operation
The shortcomings of control is difficult, generation secondary pollution, biochemical treatment process is also immature, is of limited application.
Utility model content
To solve the above problems, the utility model provides a kind of equipment of purification spent lye, which has
Effect reduces operating pressure and energy consumption, energy saving significant effect.
The purpose of this utility model is realized in the following manner：
A kind of equipment of purification spent lye, including rectifying column and reboiler, rectifying column middle part are equipped with feed inlet, the feed inlet
Raw material pump is connected, the rectifier bottoms discharge port and reboiler bottom discharge mouth are connect with lye pump, rectifying column top discharge
Mouth is connect with the feed inlet of horizontal condenser, and the horizontal condenser is equipped with cooling liquid return hole and cooling upper liquid mouth, cooling upper liquid
Pipeline is provided with filter and chlorination mouth, and horizontal condenser connects backflash, and the backflash passes through reflux pump and reflux line
It is connected to the upper return mouth of rectifying column, reboiler top is equipped with saturated vapor air inlet, and top is equipped with feeding port, the feeding port
It is connect with the feed inlet of rectifying column lower part by flowmeter, the exit of the raw material pump, the air inlet and reflux pump of reboiler
Discharge port be equipped with flowmeter, the rectifying column is packed tower, and the filler is 350y, 500y or θ 600, and packing volume is
15m3。
The raw material pump, lye pump, reflux pump are centrifugal pump.
The exit of the raw material pump, lye pump and reflux pump is equipped with blow valve.
Reboiler and backflash are equipped with blow valve.
Compared with the existing technology, the present apparatus uses single-action recovery process, can reduce the behaviour of Distallation systm to greatest extent
Make pressure and energy consumption, water-saving section vapour significant effect；The device use High Efficient Column Internals, than conventional column efficiency improve 30% with
On, input-output ratio is more economical.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Specific implementation mode
As shown in the picture, the utility model is a kind of equipment of purification spent lye, including rectifying column 1 and reboiler 2, essence
It evaporates 1 middle part of tower and is equipped with feed inlet 11, which connects raw material pump 3, pass through raw material
3 charging of pump, 1 bottom discharge mouth of the rectifying column connect with reboiler bottom feed inlet and lye pump, bottom of tower it is dense
A slack mercerizing liquid part is again introduced into rectifying tower bottom through reboiler heating, and a part is output to next workshop section through lye pump；Institute
Rectifier bottoms discharge port 12 is stated to connect with reboiler bottom feed inlet 21 and lye pump 4, at the top of rectifying column discharge port 13 with it is sleeping
The feed inlet 51 of formula condenser 5 connects, and the horizontal condenser 5 is equipped with cooling liquid return hole 52 and cooling upper liquid mouth 53, in cooling
Liquid pipe road is provided with filter 55 and chlorination mouth 56, is used for recirculated cooling water impurity screening and chlorination；Horizontal condenser
Discharge port 54 connects backflash 6, and the top that the backflash 6 is connected to rectifying column 1 by reflux pump 7 and reflux line 71 is returned
Head piece 14, finished product ethyl alcohol is discharged by ethyl alcohol pipeline in remaining, and 2 top of reboiler is equipped with saturated vapor air inlet 22, saturated vapor
Pressure >=0.5Mpa, top are equipped with feeding port 23, which is connected by flowmeter 8 and the feed inlet 15 of rectifying column lower part
It connects, exit, the air inlet of reboiler 2 and the discharge port of reflux pump 7 of the raw material pump 3 are equipped with flowmeter 8, the essence
It is packed tower to evaporate tower 1, and the filler is 350y, 500y or θ 600, packing volume 14-16m3。
The raw material pump, lye pump, reflux pump are centrifugal pump.
The exit of the raw material pump, lye pump and reflux pump is equipped with blow valve.
Reboiler and backflash are equipped with blow valve.
The course of work of the utility model is as follows：
It is 68% from ethyl alcohol mass concentration in the feed ethanol lye that previous workshop section comes, buck mass concentration is 30%.It should
Raw material enters rectifying column through raw material pump, sets that there are four liquid distribution troughs in rectifying column, and from more than feedboard, ethyl alcohol constantly concentrates,
High concentration ethanol steam goes condenser, the high concentration ethanol obtained after condensation to be pooled to return tank, conveyed by reflux pump by tower top
Partial reflux liquid is finished product ethyl alcohol, remaining fully enters rectifying column tower top, and rectifying again detaches.Buck is discharged from bottom of tower, part
Enter rectifying tower bottom through reboiler heating, remaining is high-purity lye, is utilized into next workshop section.
The device handles 1 ton of ethyl alcohol lye per hour, concentration of alcohol (v/v) after rectifying：More than or equal to 93%, lye is recycled
Middle ethanol content (wt/wt)：Less than 0.05%.Show that consumption indicators are by experiment：Finished product concentration of alcohol (v/v)：When 93%,
Consume 1 ton/ton ethyl alcohol of steam；Finished product concentration of alcohol (v/v)：When 94%, 1.1 ton/ton ethyl alcohol of steam is consumed；Finished product concentration of alcohol
(v/v)：When 95%, 1.3 ton/ton ethyl alcohol of steam is consumed.
Compared with the existing technology, the present apparatus uses single-action recovery process, can reduce the behaviour of Distallation systm to greatest extent
Make pressure and energy consumption, water-saving section vapour significant effect；The device use High Efficient Column Internals, than conventional column efficiency improve 30% with
On, the design margin bigger of device, input-output ratio is more economical.
Above-described is only preferred embodiments of the present invention, it is noted that for those skilled in the art
For, under the premise of not departing from the utility model general idea, several changes and improvements can also be made, these should also be considered as
The scope of protection of the utility model.
Claims (4)
1. a kind of equipment of purification spent lye, which is characterized in that including rectifying column (1) and reboiler (2), rectifying column (1) middle part
Equipped with feed inlet (11), which connects raw material pump (3), the rectifier bottoms discharge port (12) and reboiler bottom
Feed inlet (21) and lye pump (4) connection, rectifying column top discharge port (13) and the feed inlet (51) of horizontal condenser (5) connect
It connects, the horizontal condenser (5) is equipped with cooling liquid return hole (52) and cooling upper liquid mouth (53), and cooling upper liquid pipeline is provided with filtering
Device (55) and chlorination mouth (56), horizontal condenser discharge port (54) connect backflash (6), and the backflash (6) passes through reflux pump
(7) and reflux line (71) is connected to the upper return mouth (14) of rectifying column (1), reboiler (2) top be equipped with saturated vapor into
Gas port (22), top are equipped with feeding port (23), the feed inlet (15) which passes through flowmeter (8) and rectifying column lower part
Connection, exit, the air inlet of reboiler (2) and the discharge port of reflux pump (7) of the raw material pump (3) are equipped with flowmeter
(8), the rectifying column (1) is packed tower, and the filler is 350y, 500y or θ 600, packing volume 14-16m3。
2. the equipment of purification spent lye according to claim 1, it is characterised in that：Raw material pump (3), lye pump (4),
Reflux pump (7) is centrifugal pump.
3. the equipment of purification spent lye according to claim 2, it is characterised in that：The raw material pumps (3), lye pump (4)
It is equipped with blow valve (9) with the exit of reflux pump (7).
4. the equipment of purification spent lye according to claim 1, it is characterised in that：Reboiler (2), backflash (6) and sleeping
Formula condenser (5) is equipped with blow valve (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721735781.4U CN207856352U (en) | 2017-12-13 | 2017-12-13 | A kind of equipment of purification spent lye |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721735781.4U CN207856352U (en) | 2017-12-13 | 2017-12-13 | A kind of equipment of purification spent lye |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207856352U true CN207856352U (en) | 2018-09-14 |
Family
ID=63468763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721735781.4U Active CN207856352U (en) | 2017-12-13 | 2017-12-13 | A kind of equipment of purification spent lye |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207856352U (en) |
-
2017
- 2017-12-13 CN CN201721735781.4U patent/CN207856352U/en active Active
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