CN204676026U - A kind of rubber synthesis alkali cleaning and solvent refining unit - Google Patents
A kind of rubber synthesis alkali cleaning and solvent refining unit Download PDFInfo
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- CN204676026U CN204676026U CN201520352894.0U CN201520352894U CN204676026U CN 204676026 U CN204676026 U CN 204676026U CN 201520352894 U CN201520352894 U CN 201520352894U CN 204676026 U CN204676026 U CN 204676026U
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Abstract
The utility model belongs to technical field of chemical and discloses the synthesis alkali cleaning of a kind of rubber and solvent refining unit, comprise alkaline cleaner and solvent oil refining plant, described alkaline cleaner side is provided with solvent oil and absorbs injector, described solvent oil absorbs injector side and is fixedly connected with feed-pipe, described alkaline cleaner comprises alkali lye circulation tank, described alkali lye circulation tank side is provided with solvent oil surge tank, described solvent oil surge tank is provided with solvent oil transferpump by connecting pipeline, solvent oil refining plant comprises dehydration tower, concentration tower, weight-removing column and Cutting Tap, the middle part of described dehydration tower connects solvent oil feeding line, described solvent oil feeding line is connected with solvent oil transferpump by connecting pipeline, described dehydration tower top connects concentration tower by connecting pipeline and pump.The utility model contains various impurity by multitower rectifying except in desolventizing, improves the purity of solvent, thus improves uniformity coefficient and the transformation efficiency of subsequent polymerisation reaction, improve the quality of product.
Description
Technical field
The utility model relates to a kind of solvent refining unit, is specifically related to the synthesis alkali cleaning of a kind of rubber and solvent refining unit, belongs to technical field of chemical production equipment.
Background technology
Along with the develop rapidly of China's economy, living standards of the people improve constantly, and domestic automobile industrial development is rapid, and current automotive industry is one of mainstay industry becoming China, country continues the developmental level improving automotive industry, cultivates the consumption market based on the private consumption.China's automobile industry development planning is put into effect, and the policy of a series of stimulation automobile consumptions matched with it or by putting into effect, these are all conducive to ensureing that the year of China Auto Market maintenance about 10% increases.The development of automobile industry, will be conducive to the demand increasing Domestic Synthetic Rubber.Cis-1,4-polybutadiene rubber is the second largest glue kind being only second to styrene-butadiene rubber(SBR) in the world at present, account for 23.03% of world's synthetic rubber overall throughput, its principal feature is excellent wear resistance, flexible resistance is good, rebound resilience is good, hysteresis loss is little, heat-dissipating is low, low-temperature performance is good.General and other glue kinds of cis-1,4-polybutadiene rubber use, for the manufacture of various parts such as tire tread, sidewall and carcasses, also manufacture for adhesive tape, sebific duct, rubber overshoes and other mechanicals.The quality of current domestic cis-1,4-polybutadiene rubber is also unstable, technical indicator also can not meet requirement, its reason is just that the design of technique, equipment is also not too reasonable, such as current polyreaction solvent oil moisture and light constituent content high, affect the transformation efficiency of polyreaction, eventually reduce quality product.
Existing general absorption oil temperature is below 5 DEG C simultaneously, high-temperature gas (about 85 DEG C) runs into cold solvent absorption oil can produce water-in-oil phenomenon when chilling, the sour water being wrapped part is not neutralized, after subsequent recovery system heats up, this partially acidic water can discharge, cause the equipment of this system, pipeline corrosion serious, have impact on the long-period stable operation of device.
Utility model content
The technical problems to be solved in the utility model overcomes existing defect, a kind of circulating water treatment recycling equipment is provided, pass through alkaline cleaner, can completely in and acidic substance in material, and then thoroughly solve the etching problem of follow-up equipment, and by multitower rectifying except in desolventizing containing various impurity, improve the purity of solvent, thus improve uniformity coefficient and the transformation efficiency of subsequent polymerisation reaction, improve the quality of product, effectively can solve the problem in background technology.
In order to solve the problems of the technologies described above, the utility model provides following technical scheme:
The utility model provides a kind of rubber to synthesize alkali cleaning and solvent refining unit, comprise alkaline cleaner and solvent oil refining plant, described alkaline cleaner side is provided with solvent oil and absorbs injector, described solvent oil absorbs injector side and is fixedly connected with feed-pipe, described alkaline cleaner comprises alkali lye circulation tank, described alkali lye circulation tank side is provided with solvent oil surge tank, described solvent oil surge tank is provided with solvent oil transferpump by connecting pipeline, solvent oil refining plant comprises dehydration tower, concentration tower, weight-removing column and Cutting Tap, the middle part of described dehydration tower connects solvent oil feeding line, described solvent oil feeding line is connected with solvent oil transferpump by connecting pipeline, described dehydration tower top connects concentration tower by connecting pipeline and pump.
As a kind of optimal technical scheme of the present utility model, during described alkali lye circulation tank side is provided with and still, in described and still adopt multiple whipped form.
As a kind of optimal technical scheme of the present utility model, described alkaline cleaner arranged outside has NaOH solution circulating pump, described NaOH solution circulating pump side absorbs injector by connecting pipeline and solvent oil and is connected, and described NaOH solution circulating pump opposite side is connected with solvent oil surge tank respectively at alkali lye circulation tank.
As a kind of optimal technical scheme of the present utility model, connect weight-removing column bottom described dehydration tower by connecting pipeline, the bottom of described weight-removing column connects heavy oil pipeline, and described weight-removing column top connects smart solvent oil pipeline.
As a kind of optimal technical scheme of the present utility model, the bottom of described concentration tower connects water cooler and Cutting Tap successively by connecting pipeline, described concentration tower top is provided with divinyl pipeline, and the top of described Cutting Tap connects light oil pipeline, bottom connects thick solvent oil discharging pipeline.
The beneficial effect that the utility model reaches is: a kind of circulating water treatment recycling equipment, pass through alkaline cleaner, can completely in and material in acidic substance, and then thoroughly solve the etching problem of follow-up equipment, and contain various impurity by multitower rectifying except in desolventizing, improve the purity of solvent, thus improve uniformity coefficient and the transformation efficiency of subsequent polymerisation reaction, improve the quality of product.
Accompanying drawing explanation
Accompanying drawing is used to provide further understanding of the present utility model, and forms a part for specification sheets, is used from explanation the utility model, does not form restriction of the present utility model with embodiment one of the present utility model.
In the accompanying drawings:
Fig. 1 is the one circulating water treatment recycling equipment overall structure schematic diagram described in the utility model embodiment;
Number in the figure: 1, solvent oil absorbs injector; 2, alkaline cleaner; 3, feed-pipe; 4, in and still; 5, alkali lye circulation tank; 6, solvent oil surge tank; 7, NaOH solution circulating pump; 8, solvent oil transferpump; 9, connecting pipeline; 10, solvent oil feeding line; 11, dehydration tower; 12, pump; 13, concentration tower; 14, weight-removing column 15, divinyl pipeline; 16, smart solvent oil pipeline; 17, heavy oil pipeline; 18, water cooler; 19, Cutting Tap; 20, thick solvent oil discharging pipeline; 21, light oil pipeline; 22, solvent oil refining plant.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described, should be appreciated that preferred embodiment described herein is only for instruction and explanation of the utility model, and be not used in restriction the utility model.
Embodiment: refer to Fig. 1, a kind of rubber synthesis alkali cleaning of the utility model and solvent refining unit, comprise alkaline cleaner 2 and solvent oil refining plant 22, described alkaline cleaner 2 side is provided with solvent oil and absorbs injector 1, described solvent oil absorbs injector 1 side and is fixedly connected with feed-pipe 3, described alkaline cleaner 2 comprises alkali lye circulation tank 5, described alkali lye circulation tank 5 side is provided with solvent oil surge tank 6, described solvent oil surge tank 6 is provided with solvent oil transferpump 8 by connecting pipeline 9, solvent oil refining plant 22 comprises dehydration tower 11, concentration tower 13, weight-removing column 14 and Cutting Tap 19, the middle part of described dehydration tower 11 connects solvent oil feeding line 10, described solvent oil feeding line 10 is connected with solvent oil transferpump 8 by connecting pipeline 9, described dehydration tower 11 top connects concentration tower 13 by connecting pipeline 9 and pump 12.
During described alkali lye circulation tank 5 side is provided with and still 4, in described and still 2 adopt multiple whipped form, by and still adopt multiple whipped form, alkali lye is fully mixed with solvent oil, improves the utilization ratio of alkali lye, decrease the quantity discharged of high pH value sewage, described alkaline cleaner 2 arranged outside has NaOH solution circulating pump 7, described NaOH solution circulating pump 7 side absorbs injector 1 by connecting pipeline 9 and solvent oil and is connected, described NaOH solution circulating pump 7 opposite side is connected with solvent oil surge tank 6 respectively at alkali lye circulation tank 5, alkali lye is also delivered to solvent oil by NaOH solution circulating pump 7 and is absorbed injector 1, be conducive to caustic washing system stable operation like this, when glue can system temperature, pressure surge, caustic washing system can adjust operation operating mode, guarantees whole system steady running, weight-removing column 14 is connected by connecting pipeline 9 bottom described dehydration tower 11, the bottom of described weight-removing column 14 connects heavy oil pipeline 17, described weight-removing column 14 top connects smart solvent oil pipeline 16, the bottom of described concentration tower 13 connects water cooler 18 and Cutting Tap 19 successively by connecting pipeline 9, described concentration tower 13 top is provided with divinyl pipeline 15, the top of described Cutting Tap 19 connects light oil pipeline 21, bottom connects thick solvent oil discharging pipeline 20, in in desolventizing, various impurity is contained by multitower rectifying, improve the purity of solvent, thus improve uniformity coefficient and the transformation efficiency of subsequent polymerisation reaction, improve the quality of product.
It should be noted that, the utility model is the synthesis alkali cleaning of a kind of rubber and solvent refining unit, during work, the divinyl flashed off, solvent oil mixed gas enter solvent oil absorption injector 1 and mix with the alkali lye from alkali lye circulation tank 5, with still 4 in entering, fully mix through multiple stirring, completely in and the solvent oil mixed solution of acidic substance enter alkali lye circulation tank 5, alkali lye and solvent oil alkali lye after alkali lye circulation tank 5 layering enters solvent oil through NaOH solution circulating pump 5 and absorbs injector 1, alkali lye recycle.From alkali lye circulation tank 5 top, rich oil out enters solvent oil surge tank 6, after in solvent oil surge tank 6, solvent oil is separated with alkali lye, alkali lye is also delivered to solvent oil by NaOH solution circulating pump 7 and is absorbed injector 1, in solvent oil surge tank 6, solvent oil refining plant 22 delivered to by isolated solvent oil solvent oil transferpump 8, the thick solvent oil of storage tank enters dehydration tower 11 by thick solvent oil feeding line 10 to carry out dewatering and de-divinyl, bottom (tower reactor) discharging of dehydration tower 11 enters weight-removing column 14, weight-removing column 14 tower top is by the smart solvent oil of smart solvent oil pipeline 16 extraction polymerization-grade, heavy constituent is got rid of by heavy oil pipeline 17 at the bottom of tower, concentration tower 13 is entered after the material (water and divinyl) of the top extraction of dehydration tower 11 is pressurizeed by pump 12, the top of concentration tower 13, by being provided with divinyl pipeline 15, enters Cutting Tap 19 after the light solvent of the bottom of concentration tower 13 oil is cooled by water cooler 18, light solvent oil is divided into two portions in Cutting Tap 19, is rich in and has the light constituent of harm to be got rid of by the light oil pipeline 21 of tower top to polyreaction, and the remaining solvent oil in bottom returns storage tank circulation by thick solvent oil discharging pipeline 20 and refines.
Last it is noted that the foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, although be described in detail the utility model with reference to previous embodiment, for a person skilled in the art, it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (5)
1. a rubber synthesis alkali cleaning and solvent refining unit, comprise alkaline cleaner (2) and solvent oil refining plant (22), its feature with, described alkaline cleaner (2) side is provided with solvent oil and absorbs injector (1), described solvent oil absorbs injector (1) side and is fixedly connected with feed-pipe (3), described alkaline cleaner (2) comprises alkali lye circulation tank (5), described alkali lye circulation tank (5) side is provided with solvent oil surge tank (6), described solvent oil surge tank (6) is provided with solvent oil transferpump (8) by connecting pipeline (9), solvent oil refining plant (22) comprises dehydration tower (11), concentration tower (13), weight-removing column (14) and Cutting Tap (19), the middle part of described dehydration tower (11) connects solvent oil feeding line (10), described solvent oil feeding line (10) is connected with solvent oil transferpump (8) by connecting pipeline (9), described dehydration tower (11) top connects concentration tower (13) by connecting pipeline (9) and pump (12).
2. a kind of rubber synthesis alkali cleaning according to claim 1 and solvent refining unit, is characterized in that, with still (4) during described alkali lye circulation tank (5) side is provided with, adopt multiple whipped form in described with still (4).
3. a kind of rubber synthesis alkali cleaning according to claim 1 and solvent refining unit, it is characterized in that, described alkaline cleaner (2) arranged outside has NaOH solution circulating pump (7), described NaOH solution circulating pump (7) side absorbs injector (1) by connecting pipeline (9) with solvent oil and is connected, and described NaOH solution circulating pump (7) opposite side is connected with solvent oil surge tank (6) respectively at alkali lye circulation tank (5).
4. a kind of rubber synthesis alkali cleaning according to claim 1 and solvent refining unit, it is characterized in that, described dehydration tower (11) bottom connects weight-removing column (14) by connecting pipeline (9), the bottom of described weight-removing column (14) connects heavy oil pipeline (17), and described weight-removing column (14) top connects smart solvent oil pipeline (16).
5. a kind of rubber synthesis alkali cleaning according to claim 1 and solvent refining unit, it is characterized in that, the bottom of described concentration tower (13) connects water cooler (18) and Cutting Tap (19) successively by connecting pipeline (9), described concentration tower (13) top is provided with divinyl pipeline (15), and the top of described Cutting Tap (19) connects light oil pipeline (21), bottom connects thick solvent oil discharging pipeline (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520352894.0U CN204676026U (en) | 2015-05-27 | 2015-05-27 | A kind of rubber synthesis alkali cleaning and solvent refining unit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520352894.0U CN204676026U (en) | 2015-05-27 | 2015-05-27 | A kind of rubber synthesis alkali cleaning and solvent refining unit |
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| CN204676026U true CN204676026U (en) | 2015-09-30 |
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| CN201520352894.0U Expired - Fee Related CN204676026U (en) | 2015-05-27 | 2015-05-27 | A kind of rubber synthesis alkali cleaning and solvent refining unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114195665A (en) * | 2021-12-14 | 2022-03-18 | 武汉世吉药业有限公司 | Neutralization and acidification process and equipment for high-purity NCAA |
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2015
- 2015-05-27 CN CN201520352894.0U patent/CN204676026U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114195665A (en) * | 2021-12-14 | 2022-03-18 | 武汉世吉药业有限公司 | Neutralization and acidification process and equipment for high-purity NCAA |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150930 Termination date: 20160527 |