CN204897789U - Acetyl tri n butyl citrate apparatus for producing - Google Patents
Acetyl tri n butyl citrate apparatus for producing Download PDFInfo
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- CN204897789U CN204897789U CN201520663298.4U CN201520663298U CN204897789U CN 204897789 U CN204897789 U CN 204897789U CN 201520663298 U CN201520663298 U CN 201520663298U CN 204897789 U CN204897789 U CN 204897789U
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Abstract
The utility model belongs to the technical field of the plasticizer is made, concretely relates to acetyl tri n butyl citrate apparatus for producing. The device is including a reation kettle, and a reation kettle and dealcoholize tower, the 2nd reation kettle, buffer tank, first booster pump, heater, deacidification tower, condenser, vacuum pump, noncondensable gas jar are consecutive, wherein, the condenser still links to each other with the acetic acid storage tank, and the reboiler is established to deacidification tower lower part, and the reboiler is still with thick ester jar, second booster pump, the water washing device is continuous in succession, the water washing device includes blending tank, naoh feeding device, lime set jar, return water tank, high -speed centrifuge and ester holding vessel in succession, blending tank, high -speed centrifuge and return water tank link to each other, and the blending tank external connection has naoh feeding device and lime set jar, high -speed centrifuge still links to each other with the ester holding vessel, the second booster pump links to each other with the blending tank. The utility model provides an acetyl tri n butyl citrate apparatus for producing, device simple structure, easy and simple to handle, degree of automation is high, is suitable for serialization production.
Description
Technical field
The utility model belongs to softening agent manufacturing technology field, is specifically related to a kind of tributyl acetylcitrate production equipment.
Background technology
Tributyl acetylcitrate is non-toxic plasticizer, can be used as polyvinyl chloride, celluosic resin and elastomeric softening agent.For nontoxic PVC granulation, food container, toy for children goods, medical product, the goods such as film, sheet material, cellulose paint.Also can be used as the stablizer etc. of polyvinylidene dichloride.
Traditional tributyl acetylcitrate production equipment throughput is all below 10,000 tons/year, and each cover operation is batch operation, and often overlap operation and all to respond still, production technique is heavy, yields poorly, equipment utilization rate variance.
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 structure simple, easy and simple to handle, level of automation is high, is applicable to the tributyl acetylcitrate production equipment of continuous prodution.
The utility model solves the technical scheme that its technical problem adopts:
Described tributyl acetylcitrate production equipment, comprises the first reactor, and the first reactor is connected with dealcoholize column, the second reactor, surge tank, the first topping-up pump, well heater, extracting tower, condenser, vacuum pump, non-condensable gas tank successively by pipeline; Wherein, condenser is also connected with acetic acid storage tank, and reboiler is established in extracting tower bottom, and reboiler is also connected with thick ester tank, the second topping-up pump, continuous water cleaning device;
Continuous water cleaning device comprises mixing tank, sodium hydroxide cast feeder, lime set tank, return water tank, supercentrifuge and ester hold-up vessel; Mixing tank, supercentrifuge are connected by pipeline successively with return water tank, and mixing tank outside is also connected with sodium hydroxide cast feeder and lime set tank; Supercentrifuge is also connected with ester hold-up vessel;
Second topping-up pump is connected with the mixing tank in continuous water cleaning device.
Described continuous water cleaning device arranges multiple.
Described continuous water cleaning device preferably arranges 3.
Principle of work and process:
During work, carry out esterification at the first reactor, esterification products enters the second reactor and carries out acetylization reaction after dealcoholize column dealcoholysis, and acetylate enters surge tank.Acetylate in surge tank enters well heater and heats after the first topping-up pump supercharging; thermal material exports from well heater top and enters extracting tower; in material, most acetic acid is all vaporized and is entered gas phase; the a small amount of acetic acid do not flashed off falls at the bottom of tower; reboiler secondary flash at the bottom of tower; all deviate to enter gas phase by remaining acetic acid, it is enter in acetic acid storage tank after liquid to store that gas phase enters condenser condenses, and non-condensable gas sucks non-condensable gas tank through vacuum pump and stores.In reboiler, remaining material is thick ester, enters in thick ester tank.Thick ester in thick ester tank enters continuous water cleaning device after the second topping-up pump supercharging.
In continuous water cleaning device, first thick ester enters mixing tank, in mixing tank, sodium hydroxide is added by sodium hydroxide cast feeder, then in mixing tank, enter lime set by lime set tank to mix, after mixing, material enters supercentrifuge separation, isolated water enters return water tank, and isolated ester enters ester hold-up vessel.
For improving water washing effect, described continuous water cleaning device arranges multiple; Described continuous water cleaning device preferably arranges 3.
The beneficial effects of the utility model are:
The utility model is by appropriate design, and provide a kind of tributyl acetylcitrate production equipment, the tributyl acetylcitrate purity utilizing this device to produce is high, and apparatus structure is simple, easy and simple to handle, and level of automation is high, is suitable for continuous prodution.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
In figure: 1, the first reactor; 2, dealcoholize column; 3, the second reactor; 4, surge tank; 5, the first topping-up pump; 6, well heater; 7, extracting tower; 8, reboiler; 9, condenser; 10, acetic acid storage tank; 11, vacuum pump; 12, non-condensable gas tank; 13, thick ester tank; 14, the second topping-up pump; 15, mixing tank; 16, sodium hydroxide cast feeder; 17, lime set tank; 18, return water tank; 19, supercentrifuge; 20, ester hold-up vessel.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described further:
As shown in Figure 1, described tributyl acetylcitrate production equipment, comprise the first reactor 1, first reactor 1 to be connected successively with dealcoholize column 2, second reactor 3, surge tank 4, first topping-up pump 5, well heater 6, extracting tower 7, condenser 9, vacuum pump 11, non-condensable gas tank 12 by pipeline; Wherein, condenser 9 is also connected with acetic acid storage tank 10, and reboiler 8 is established in extracting tower 7 bottom, and reboiler 8 is also connected with thick ester tank 13, second topping-up pump 14, continuous water cleaning device;
Continuous water cleaning device comprises mixing tank 15, sodium hydroxide cast feeder 16, lime set tank 17, return water tank 18, supercentrifuge 19 and ester hold-up vessel 20; Mixing tank 15, supercentrifuge 19 are connected by pipeline successively with return water tank 18, and mixing tank 15 outside is also connected with sodium hydroxide cast feeder 16 and lime set tank 17; Supercentrifuge 19 is also connected with ester hold-up vessel 20;
Second topping-up pump 14 is connected with the mixing tank 15 in continuous water cleaning device.
Described continuous water cleaning device preferably arranges 3.
During work, carry out esterification at the first reactor 1, esterification products enters the second reactor 3 and carries out acetylization reaction after dealcoholize column 2 dealcoholysis, and acetylate enters surge tank 4.Acetylate in surge tank 4 enters well heater 6 and heats after the first topping-up pump 5 supercharging; thermal material exports from well heater 6 top and enters extracting tower 7; in material, most acetic acid is all vaporized and is entered gas phase; the a small amount of acetic acid do not flashed off falls at the bottom of tower; reboiler 8 secondary flash at the bottom of tower; remaining acetic acid is all deviate to enter gas phase; gas phase enters after condenser 9 is condensed into liquid and enters storage in acetic acid storage tank 10, and non-condensable gas sucks non-condensable gas tank 12 through vacuum pump 11 and stores.In reboiler 8, remaining material is thick ester, enters in thick ester tank 13.Thick ester in thick ester tank 13 enters continuous water cleaning device after the second topping-up pump 14 supercharging.
In continuous water cleaning device, first thick ester enters mixing tank 15, in mixing tank 15, sodium hydroxide is added by sodium hydroxide cast feeder 16, then in mixing tank 15, enter lime set by lime set tank 17 to mix, the rear material of mixing enters supercentrifuge 19 and is separated, isolated water enters return water tank 18, and isolated ester enters ester hold-up vessel 20.
For strengthening water washing effect, described continuous water cleaning device arranges 3.
Claims (3)
1. a tributyl acetylcitrate production equipment, comprise the first reactor (1), it is characterized in that: the first reactor (1) is connected with dealcoholize column (2), the second reactor (3), surge tank (4), the first topping-up pump (5), well heater (6), extracting tower (7), condenser (9), vacuum pump (11), non-condensable gas tank (12) successively by pipeline; Wherein, condenser (9) is also connected with acetic acid storage tank (10), reboiler (8) is established in extracting tower (7) bottom, and reboiler (8) is also connected with thick ester tank (13), the second topping-up pump (14), continuous water cleaning device;
Continuous water cleaning device comprises mixing tank (15), sodium hydroxide cast feeder (16), lime set tank (17), return water tank (18), supercentrifuge (19) and ester hold-up vessel (20); Mixing tank (15), supercentrifuge (19) are connected by pipeline successively with return water tank (18), and mixing tank (15) outside is also connected with sodium hydroxide cast feeder (16) and lime set tank (17); Supercentrifuge (19) is also connected with ester hold-up vessel (20);
Second topping-up pump (14) is connected with the mixing tank (15) in continuous water cleaning device.
2. tributyl acetylcitrate production equipment according to claim 1, is characterized in that: continuous water cleaning device arranges multiple.
3. tributyl acetylcitrate production equipment according to claim 1, is characterized in that: continuous water cleaning device arranges 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520663298.4U CN204897789U (en) | 2015-08-31 | 2015-08-31 | Acetyl tri n butyl citrate apparatus for producing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520663298.4U CN204897789U (en) | 2015-08-31 | 2015-08-31 | Acetyl tri n butyl citrate apparatus for producing |
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| CN204897789U true CN204897789U (en) | 2015-12-23 |
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| CN201520663298.4U Active CN204897789U (en) | 2015-08-31 | 2015-08-31 | Acetyl tri n butyl citrate apparatus for producing |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106977399A (en) * | 2017-04-01 | 2017-07-25 | 四川群青新材料科技有限公司 | A kind of energy-efficient plasticizer production device and method |
| CN111701550A (en) * | 2020-07-03 | 2020-09-25 | 山东朗晖石油化学股份有限公司 | Automatic esterification heating system |
-
2015
- 2015-08-31 CN CN201520663298.4U patent/CN204897789U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106977399A (en) * | 2017-04-01 | 2017-07-25 | 四川群青新材料科技有限公司 | A kind of energy-efficient plasticizer production device and method |
| CN111701550A (en) * | 2020-07-03 | 2020-09-25 | 山东朗晖石油化学股份有限公司 | Automatic esterification heating system |
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