CN205188173U - Di n butyl phthalate plasticizer apparatus for producing - Google Patents
Di n butyl phthalate plasticizer apparatus for producing Download PDFInfo
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- CN205188173U CN205188173U CN201520956560.4U CN201520956560U CN205188173U CN 205188173 U CN205188173 U CN 205188173U CN 201520956560 U CN201520956560 U CN 201520956560U CN 205188173 U CN205188173 U CN 205188173U
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Abstract
The utility model relates to a plasticizer apparatus for producing, concretely relates to di n butyl phthalate plasticizer apparatus for producing. The device is including the consecutive system of esterifying in, and water washing system, strip system and filtration system, the system of esterifying include the esterification reaction cauldron, esterification reaction cauldron, esterification column, first condenser, an alcohol -water separation jar, extraction jar, pure storage tank are consecutive, the mellow wine storage tank still links to each other with the esterification column top, establishes first booster pump between pure storage tank and the esterification column, establishes the hot -air line in the extraction jar, an alcohol -water separation jar still with retrieve the water pitcher and link to each other, the esterification reaction cauldron is still consecutive with second condenser, buffer tank, esterification reaction cauldron top links to each other with first feed inlet through first feed valve. The utility model discloses system energy consumption is low, and low in labor strength is suitable for serialization production, and product quality is stable, purity is high.
Description
Technical field
The utility model relates to a kind of plasticizer production device, is specifically related to a kind of Plasticized with Dibutyl Phthalate agent production equipment.
Background technology
Dibutyl phthalate (DBP) is that a kind of plasticizing efficiency is high, broad-spectrum softening agent product, and the main primary plasticizer being used as celluosic resin and polrvinyl chloride product, is specially adapted to nitrocellulose resin.Have excellent solvability, decomposability and tackiness, the flexibility of paint film and stability are also good.Compatible good with dyestuff, can be used for film, leatheroid and plastics.This product also can be used as the softening agent of natural rubber, tenderizer, can improve the rebound resilience of goods.
Tradition DBP device technique adopts full interrupter method production technique, unstable product quality, and output is little, and product expression is that product purity is low, and acid number is high, moisture is large.And technique manual operation is frequent, labour intensity large, bad environments.
Utility model content
According to above deficiency of the prior art, the technical problems to be solved in the utility model is: provide a kind of Plasticized with Dibutyl Phthalate agent production equipment, energy consumption is low, and labour intensity is low, and speed of response is fast, and constant product quality, purity are high.
The utility model solves the technical scheme that its technical problem adopts:
Plasticized with Dibutyl Phthalate agent production equipment described in the utility model, comprise the esterification system, neutralization &washing system, stripping system and the filtering system that are connected successively, described esterification system comprises reaction kettle of the esterification, and reaction kettle of the esterification, esterification column, the first condenser, the first alcohol-water separation tank, extractor, alcohol storage tank are connected successively; Alcohol storage tank is also connected with esterification column top, establishes the first topping-up pump between alcohol storage tank and esterification column, extractor is established warm air line, and the first alcohol-water separation tank is also connected with recovery water pot,
Reaction kettle of the esterification is also connected successively with the second condenser, surge tank; Reaction kettle of the esterification top is connected with the first opening for feed by the first feed valve.
Inner coil pipe and the first agitator are established in described reaction kettle of the esterification inside.
Described neutralization &washing system comprises the first mixing tank, and the second topping-up pump, the first mixing tank, the first ester water separation tank, the second mixing tank, the second ester water separation tank, the 3rd mixing tank, the 3rd ester water separation tank, thick ester tank are connected successively;
First ester water separation tank is connected with the first alkali water tank; Second ester water separation tank is connected with the second alkali water tank; 3rd ester water separation tank is connected with the 3rd alkali water tank;
Second alkali water tank is also connected with the first mixing tank; 3rd alkali water tank is also connected with the second mixing tank.
Surge tank in described esterification system is connected with the second topping-up pump in neutralization &washing system; Recovery water pot in described esterification system is connected with the first mixing tank, the second mixing tank, the 3rd mixing tank respectively, and alkali charging device established by the outlet conduit of recovery water pot.
Described stripping system comprises well heater, and the 3rd topping-up pump, well heater, stripping tower, the 3rd condenser, vacuum pump, non-condensable gas tank are connected successively; Wherein, the 3rd condenser is also connected successively with the second alcohol-water separation tank, water pot, and the second alcohol-water separation tank is also connected with recycle alcohol tank;
Reboiler is established in stripping tower bottom, and reboiler is also connected successively with drying tower, smart ester tank.
Thick ester tank in described neutralization &washing system is connected with the 3rd topping-up pump in stripping system; Recovery water pot in described esterification system is connected with the water pot in stripping system.
Described filtering system comprises filtration still, and filtration still, the 4th topping-up pump, strainer, secondary filter, products pot are connected successively, and described filtration still top is connected with the second opening for feed by the second feed valve, and the second agitator is established in described filtration still inside.
Smart ester tank in described stripping system is connected with the filtration still in filtering system.
In filtering system, described strainer is two.
Principle of work and process:
During work, be divided into four procedures: esterification step, neutralization &washing operation, stripping operation and filter progress.
Esterification step:
Raw material phthalic anhydride, propyl carbinol and solid acid catalyst are joined in reaction kettle of the esterification by the first opening for feed, then closes the first feed valve.Under the effect that the first agitator stirs, use inner coil pipe heating, be progressively warming up to temperature of reaction and react, the ester that reaction generates enters surge tank after the second condenser cooling.
Enter after the first condenser cools after the gas phase evaporated in reaction kettle of the esterification enters that backflow alcohol that esterification column and tower top enter is reverse and contacts, enter the first alcohol-water separation tank and carry out alcohol, aqueous phase separation, water saturation alcohol is from the first alcohol-water separation tank upper return to extractor, after fully extracting, adopt the method for forced refluence, the alcohol being entered into alcohol storage tank by extractor is got back to esterification column tower top and is carried out reverse contact with the gas phase that reaction kettle of the esterification evaporates after the first topping-up pump supercharging.In first alcohol-water separation tank, isolated water enters recovery water pot.
After esterification completes, led in warm air to extractor process extraction agent by warm air line, extraction agent recycles.
Neutralization &washing operation:
Ester in surge tank enters the first mixing tank after the second topping-up pump supercharging, reclaim water in water pot to add through alkali charging device and squeeze into the first mixing tank through volume pump after alkali and carry out first time neutralization reaction, reacting rear material overflow enters the first ester water separation tank and carries out ester, aqueous phase separation, ester overflows to the second mixing tank from top, and isolated water enters the first alkali water tank.Reclaim water in water pot to add through alkali charging device the ester squeezing into the second mixing tank and overflow to the second mixing tank through volume pump after alkali and carry out second time neutralization reaction, reacting rear material overflow to the second ester water separation tank carries out ester, aqueous phase separation, ester overflows to the 3rd mixing tank from top, isolated water enters the second alkali water tank.Reclaim water in water pot to squeeze into the 3rd mixing tank and overflow to the ester of the 3rd mixing tank through volume pump and carry out washed reaction, reacting rear material overflow carries out ester, aqueous phase separation to the 3rd ester water separation tank, and ester enters thick ester tank, and isolated water enters the 3rd alkali water tank.
Water in first alkali water tank enters wastewater treatment equipment and processes.
Water in second alkali water tank squeezes into the first mixing tank as first time neutralization reaction water.
Water in 3rd alkali water tank squeezes into the second mixing tank as second time neutralization reaction water.
Stripping operation:
Thick ester in thick ester tank enters well heater and heats after the 3rd topping-up pump supercharging, thermal material exports from well heater top and enters stripping tower, now, in material, the low-boiling point material such as most alcohol, water is vaporized and enters gas phase, the reboiler that the part do not flashed off falls into bottom stripping tower carries out secondary flash, the low-boiling point material such as alcohol, water is deviate to enter gas phase further, gas phase enters the second alcohol-water separation tank after entering the 3rd condenser cooling and carries out alcohol, aqueous phase separation, isolated alcohol enters recycle alcohol tank, and isolated water enters water pot.Water in water pot is squeezed in the recovery water pot in esterification system, with the water mixing reuse of reclaiming in water pot in system.Non-condensable gas in 3rd condenser sucks in non-condensable gas tank through vacuum pump.
Enter in smart ester tank after the drying of remaining material drying tower in reboiler.
Filter progress:
Smart ester in smart ester tank is squeezed into and filters in still, diatomite and gac is added through the second opening for feed, then the second feed valve is closed, after adopting the second agitator to stir, be delivered to strainer through the 4th topping-up pump to filter, strainer is two, and after twice common filtration, enter the filter of secondary filter essence, the smart ester after essence filter enters in products pot.
The beneficial effect that the utility model has is:
(1) reaction kettle of the esterification adopts inner coil pipe heating, and the outer coil pipe eliminating traditional technology is frequent owing to colding and heat succeed each other, the shortcoming easily revealed.
(2) esterification system have employed recycle alcohol alcohol, water separating method, after extractor extraction, the water in recycle alcohol is extracted, avoid the water steamed to enter reaction kettle of the esterification again, accelerate speed of response, make every still be that speed of response accelerates 20%, energy expenditure reduces 15%.Extractor is established warm air line regenerate extraction agent, can reuse.
(3) what neutralization &washing operation adopted is esterification step and the isolated recycle-water of stripping operation, decreases the discharge of waste water.After Two-step neutralization reaction, isolated buck is used for first time neutralization reaction; After washed reaction, isolated water is used for second time neutralization reaction, economizes on water further, decreases the discharge of waste water, little to environmental influence.
(4) quality of plasticizer utilizing this device to produce is stablized, and purity is high, and system energy consumption is low, and labour intensity is low, is suitable for continuous prodution.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model esterification system structural representation;
Fig. 3 is the utility model neutralization &washing system architecture schematic diagram;
Fig. 4 is the utility model stripping system structural representation;
Fig. 5 is the utility model filtering system structural representation;
In figure: 1, esterification system; 2, neutralization &washing system; 3, stripping system; 4, filtering system; 5, reaction kettle of the esterification; 6, esterification column; 7, the first condenser; 8, the first alcohol-water separation tank; 9, extractor; 10, alcohol storage tank; 11, the first topping-up pump; 12, the first opening for feed; 13, the first feed valve; 14, inner coil pipe; 15, the first agitator; 16, the second condenser; 17, surge tank; 18, warm air line; 19, water pot is reclaimed; 20, the second topping-up pump; 21, the first mixing tank; 22, the first ester water separation tank; 23, the second mixing tank; 24, the second ester water separation tank; 25, the 3rd mixing tank; 26, the 3rd ester water separation tank; 27, thick ester tank; 28, the first alkali water tank; 29, the second alkali water tank; 30, the 3rd alkali water tank; 31, the 3rd topping-up pump; 32, well heater; 33, stripping tower; 34, the 3rd condenser; 35, vacuum pump; 36, non-condensable gas tank; 37, the second alcohol-water separation tank; 38, recycle alcohol tank; 39, water pot; 40, reboiler; 41, drying tower; 42, smart ester tank; 43, still is filtered; 44, the 4th topping-up pump; 45, strainer; 46, secondary filter; 47, products pot; 48, the second opening for feed; 49, the second feed valve; 50, the second agitator.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described further:
As Figure 1-5, the utility model comprises the esterification system 1, neutralization &washing system 2, stripping system 3 and the filtering system 4 that are connected successively, described esterification system 1 comprises reaction kettle of the esterification 5, and reaction kettle of the esterification 5, esterification column 6, first condenser 7, first alcohol-water separation tank 8, extractor 9, alcohol storage tank 10 are connected successively; Alcohol storage tank 10 is also connected with esterification column 6 top, establishes the first topping-up pump 11 between alcohol storage tank 10 and esterification column 6, extractor 9 is established warm air line 18, first alcohol-water separation tank 8 be also connected with recovery water pot 19,
Reaction kettle of the esterification 5 is also connected successively with the second condenser 16, surge tank 17; Reaction kettle of the esterification 5 top is connected with the first opening for feed 12 by the first feed valve 13.
Inner coil pipe 14 and the first agitator 15 are established in described reaction kettle of the esterification 5 inside.
Described neutralization &washing system 2 comprises the first mixing tank 21, second topping-up pump 20, first mixing tank 21, first ester water separation tank 22, second mixing tank 23, second ester water separation tank 24, the 3rd mixing tank 25, the 3rd ester water separation tank 26, thick ester tank 27 are connected successively;
First ester water separation tank 22 is connected with the first alkali water tank 28; Second ester water separation tank 24 is connected with the second alkali water tank 29; 3rd ester water separation tank 26 is connected with the 3rd alkali water tank 30;
Second alkali water tank 29 is also connected with the first mixing tank 21; 3rd alkali water tank 30 is also connected with the second mixing tank 23.
Surge tank 17 in described esterification system 1 is connected with the second topping-up pump 20 in neutralization &washing system 2; Recovery water pot 19 in described esterification system 1 is connected with the first mixing tank 21, second mixing tank 23, the 3rd mixing tank 25 respectively, and alkali charging device established by the outlet conduit of recovery water pot 19.
Described stripping system 3 comprises well heater 32, and the 3rd topping-up pump 31, well heater 32, stripping tower 33, the 3rd condenser 34, vacuum pump 35, non-condensable gas tank 36 are connected successively; Wherein, the 3rd condenser 34 is also connected successively with the second alcohol-water separation tank 37, water pot 39, and the second alcohol-water separation tank 37 is also connected with recycle alcohol tank 38;
Reboiler 40 is established in stripping tower 33 bottom, and reboiler 40 is also connected successively with drying tower 41, smart ester tank 42.
Thick ester tank 27 in described neutralization &washing system 2 is connected with the 3rd topping-up pump 31 in stripping system 3; Recovery water pot 19 in described esterification system 1 is connected with the water pot 39 in stripping system 3.
Described filtering system 4 comprises filters still 43, filtration still 43, the 4th topping-up pump 44, strainer 45, secondary filter 46, products pot 47 are connected successively, described filtration still 43 top is connected with the second opening for feed 48 by the second feed valve 49, and the second agitator 50 is established in described filtration still 43 inside.
Smart ester tank 42 in described stripping system 3 is connected with the filtration still 43 in filtering system 4.
In filtering system 4, described strainer 45 is two.
During work, be divided into four procedures: esterification step, neutralization &washing operation, stripping operation and filter progress.
Esterification step:
Raw material phthalic anhydride, propyl carbinol and solid acid catalyst are joined in reaction kettle of the esterification 5 by the first opening for feed 12, then closes the first feed valve 13.Under the effect that the first agitator 15 stirs, use inner coil pipe 14 to heat, be progressively warming up to temperature of reaction and react, the ester that reaction generates enters surge tank 17 after the second condenser 16 cools.
Enter after the first condenser 7 cools after the gas phase evaporated in reaction kettle of the esterification 5 enters that backflow alcohol that esterification column 6 and tower top enter is reverse and contacts, enter the first alcohol-water separation tank 8 and carry out alcohol, aqueous phase separation, water saturation alcohol is from the first alcohol-water separation tank 8 upper return to extractor 9, after fully extracting, adopt the method for forced refluence, the alcohol being entered into alcohol storage tank 10 by extractor 9 is got back to esterification column 6 tower top and is carried out reverse contact with the gas phase that reaction kettle of the esterification 5 evaporates after the first topping-up pump 11 supercharging.In first alcohol-water separation tank 8, isolated water enters and reclaims water pot 19.
After esterification completes, lead to warm air by warm air line 18 and process extraction agent in extractor 9, extraction agent recycles.
Neutralization &washing operation:
Ester in surge tank 17 enters the first mixing tank 21 after the second topping-up pump 20 supercharging, reclaim water in water pot 19 to add through alkali charging device and squeeze into the first mixing tank 21 through volume pump after alkali and carry out first time neutralization reaction, reacting rear material overflow enters the first ester water separation tank 22 and carries out ester, aqueous phase separation, ester overflows to the second mixing tank 23 from top, isolated water enters the first alkali water tank 28.Reclaim water in water pot 19 to add through alkali charging device and squeeze into the second mixing tank 23 through volume pump after alkali and carry out second time neutralization reaction with the ester of overflow to the second mixing tank 23, reacting rear material overflow to the second ester water separation tank 24 carries out ester, aqueous phase separation, ester overflows to the 3rd mixing tank 25 from top, isolated water enters the second alkali water tank 29.Reclaim water in water pot 19 to squeeze into the 3rd mixing tank 25 and overflow to the ester of the 3rd mixing tank 25 through volume pump and carry out washed reaction, reacting rear material overflow carries out ester, aqueous phase separation to the 3rd ester water separation tank 26, ester enters thick ester tank 27, and isolated water enters the 3rd alkali water tank 30.
Water in first alkali water tank 28 enters wastewater treatment equipment and processes.
Water in second alkali water tank 29 squeezes into the first mixing tank 21 as first time neutralization reaction water.
Water in 3rd alkali water tank 30 squeezes into the second mixing tank 23 as second time neutralization reaction water.
Stripping operation:
Thick ester in thick ester tank 27 enters well heater 32 and heats after the 3rd topping-up pump 31 supercharging, thermal material exports from well heater 32 top and enters stripping tower 33, now, most alcohol in material, the low-boiling point materials such as water are vaporized and enter gas phase, the reboiler 40 that the part do not flashed off falls into bottom stripping tower 33 carries out secondary flash, by alcohol, the low-boiling point materials such as water deviate to enter gas phase further, gas phase enters the second alcohol-water separation tank 37 after entering the 3rd condenser 34 cooling and carries out alcohol, aqueous phase separation, isolated alcohol enters recycle alcohol tank 38, isolated water enters water pot 39.Water in water pot 39 is squeezed in the recovery water pot 19 in esterification system 1, with the water mixing reuse of reclaiming in water pot 19 in system.Non-condensable gas in 3rd condenser 34 sucks in non-condensable gas tank 36 through vacuum pump 35.
Enter in smart ester tank 42 after the drying of remaining material drying tower 41 in reboiler 40.
Filter progress:
Smart ester in smart ester tank 42 is squeezed into and filters in still 43, diatomite and gac is added through the second opening for feed 48, then the second feed valve 49 is closed, after adopting the second agitator 50 to stir, be delivered to strainer 45 through the 4th topping-up pump 44 to filter, strainer 45 is two, and after twice common filtration, enter the filter of secondary filter 46 essence, the smart ester after essence filter enters in products pot 47.
Claims (9)
1. a Plasticized with Dibutyl Phthalate agent production equipment, it is characterized in that: comprise the esterification system (1), neutralization &washing system (2), stripping system (3) and the filtering system (4) that are connected successively, described esterification system (1) comprises reaction kettle of the esterification (5), and reaction kettle of the esterification (5), esterification column (6), the first condenser (7), the first alcohol-water separation tank (8), extractor (9), alcohol storage tank (10) are connected successively; Alcohol storage tank (10) is also connected with esterification column (6) top, the first topping-up pump (11) is established between alcohol storage tank (10) and esterification column (6), extractor (9) is established warm air line (18), first alcohol-water separation tank (8) is also connected with recovery water pot (19)
Reaction kettle of the esterification (5) is also connected successively with the second condenser (16), surge tank (17); Reaction kettle of the esterification (5) top is connected with the first opening for feed (12) by the first feed valve (13).
2. Plasticized with Dibutyl Phthalate agent production equipment according to claim 1, is characterized in that: inner coil pipe (14) and the first agitator (15) are established in described reaction kettle of the esterification (5) inside.
3. Plasticized with Dibutyl Phthalate agent production equipment according to claim 2, it is characterized in that: described neutralization &washing system (2) comprises the first mixing tank (21), the second topping-up pump (20), the first mixing tank (21), the first ester water separation tank (22), the second mixing tank (23), the second ester water separation tank (24), the 3rd mixing tank (25), the 3rd ester water separation tank (26), thick ester tank (27) are connected successively;
First ester water separation tank (22) is connected with the first alkali water tank (28); Second ester water separation tank (24) is connected with the second alkali water tank (29); 3rd ester water separation tank (26) is connected with the 3rd alkali water tank (30);
Second alkali water tank (29) is also connected with the first mixing tank (21); 3rd alkali water tank (30) is also connected with the second mixing tank (23).
4. Plasticized with Dibutyl Phthalate agent production equipment according to claim 3, is characterized in that: the surge tank (17) in described esterification system (1) is connected with the second topping-up pump (20) in neutralization &washing system (2); Recovery water pot (19) in described esterification system (1) is connected with the first mixing tank (21), the second mixing tank (23), the 3rd mixing tank (25) respectively, and alkali charging device established by the outlet conduit of recovery water pot (19).
5. Plasticized with Dibutyl Phthalate agent production equipment according to claim 4, it is characterized in that: described stripping system (3) comprises well heater (32), the 3rd topping-up pump (31), well heater (32), stripping tower (33), the 3rd condenser (34), vacuum pump (35), non-condensable gas tank (36) are connected successively; Wherein, the 3rd condenser (34) is also connected successively with the second alcohol-water separation tank (37), water pot (39), and the second alcohol-water separation tank (37) is also connected with recycle alcohol tank (38);
Reboiler (40) is established in stripping tower (33) bottom, and reboiler (40) is also connected successively with drying tower (41), smart ester tank (42).
6. Plasticized with Dibutyl Phthalate agent production equipment according to claim 5, is characterized in that: the thick ester tank (27) in described neutralization &washing system (2) is connected with the 3rd topping-up pump (31) in stripping system (3); Recovery water pot (19) in described esterification system (1) is connected with the water pot (39) in stripping system (3).
7. Plasticized with Dibutyl Phthalate agent production equipment according to claim 6, it is characterized in that: described filtering system (4) comprises filters still (43), filtration still (43), the 4th topping-up pump (44), strainer (45), secondary filter (46), products pot (47) are connected successively, described filtration still (43) top is connected with the second opening for feed (48) by the second feed valve (49), and the second agitator (50) is established in described filtration still (43) inside.
8. Plasticized with Dibutyl Phthalate agent production equipment according to claim 7, is characterized in that: the smart ester tank (42) in described stripping system (3) is connected with the filtration still (43) in filtering system (4).
9. Plasticized with Dibutyl Phthalate agent production equipment according to claim 8, is characterized in that: described strainer (45) is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520956560.4U CN205188173U (en) | 2015-11-26 | 2015-11-26 | Di n butyl phthalate plasticizer apparatus for producing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520956560.4U CN205188173U (en) | 2015-11-26 | 2015-11-26 | Di n butyl phthalate plasticizer apparatus for producing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205188173U true CN205188173U (en) | 2016-04-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520956560.4U Active CN205188173U (en) | 2015-11-26 | 2015-11-26 | Di n butyl phthalate plasticizer apparatus for producing |
Country Status (1)
| Country | Link |
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| CN (1) | CN205188173U (en) |
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- 2015-11-26 CN CN201520956560.4U patent/CN205188173U/en active Active
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