CN208448681U - A kind of recyclable device of thermal sensitivity high-boiling components - Google Patents

A kind of recyclable device of thermal sensitivity high-boiling components Download PDF

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Publication number
CN208448681U
CN208448681U CN201821013753.6U CN201821013753U CN208448681U CN 208448681 U CN208448681 U CN 208448681U CN 201821013753 U CN201821013753 U CN 201821013753U CN 208448681 U CN208448681 U CN 208448681U
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China
Prior art keywords
boiling components
thermal sensitivity
level
sensitivity high
recyclable device
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CN201821013753.6U
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Chinese (zh)
Inventor
刘国彬
王军祥
苏亮
蒲硕
朱双琳
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Zhonghua Lantian Honeywell New Material Co Ltd
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Zhonghua Lantian Honeywell New Material Co Ltd
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Abstract

The utility model discloses a kind of recyclable devices of thermal sensitivity high-boiling components, mainly solving the technical problems that thermal sensitivity high-boiling components recovery efficiency is not high in the prior art, it is larger to recycle energy consumption, early period the larger problem of one-time investment, the recyclable device that the utility model passes through a kind of thermal sensitivity high-boiling components, including level-one Hybrid Heating separation system interconnected and secondary recovery system, the level-one Hybrid Heating separation system includes sequentially connected stage falling-film evaporators, rectifying column, delivery pump, the secondary recovery system includes second level falling film evaporator and flash tank interconnected, the technical solution that the level-one Hybrid Heating separation system is connect with feed pipe, preferably solves the problems, such as this, it can be used for the recycling of thermal sensitivity high-boiling components.

Description

A kind of recyclable device of thermal sensitivity high-boiling components
Technical field
The utility model relates to a kind of recyclable devices of thermal sensitivity high-boiling components.
Background technique
When thermal sensitivity high-boiling components common at present recycle, recovery efficiency is not high, and energy consumption is larger when recycling, early period One-time investment is larger.And due to material characteristic, it is easy to appear in rectifying recycling and decomposes the abnormal conditions such as coking, It is affected to the normal table operation and safe operation of equipment.
Utility model content
The technical problems to be solved in the utility model is that thermal sensitivity high-boiling components recovery efficiency is not high in the prior art, recycles energy Source consumption is larger, and early period, the larger problem of one-time investment, proposed a kind of recyclable device of new thermal sensitivity high-boiling components, the dress It sets with recovery efficiency height, recycles low energy consumption, pre-processing feature at low cost.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is as follows: a kind of thermal sensitivity high-boiling components Recyclable device, including level-one Hybrid Heating separation system interconnected and secondary recovery system, the level-one Hybrid Heating point It include sequentially connected stage falling-film evaporators from system, rectifying column, delivery pump, the secondary recovery system includes being connected with each other Second level falling film evaporator and flash tank, the level-one Hybrid Heating separation system connect with feed pipe.
Further, it is preferable that it is connected between the stage falling-film evaporators and the rectifying column by pipeline one, it is described It is connected between rectifying column and the feed inlet of the delivery pump by pipeline two, the discharge port of the delivery pump and the stage falling-film It is connected between evaporator by pipeline three.
It is highly preferred that the feed pipe is connect with the pipeline three.
Preferably, it is connected between the second level falling film evaporator and the discharge port of the delivery pump by pipeline six.
Preferably, it is connected between the second level falling film evaporator and the flash tank by pipeline five.
Preferably, the second level falling film evaporator is equipped with heat source import and thermal source outlet.
Preferably, the second level falling film evaporator connects high-pressure air source.
Preferably, the distributor of the second level falling film evaporator is equipped with overflow weir.
Preferably, the flash tank is equipped with discharge nozzle one and discharge nozzle two.
The utility model has the beneficial effects that: the utility model passes through under vacuum conditions, using in tower bottom of rectifying tower A large amount of recycle stocks mixed with fresh feed, reduce the temperature fluctuation in reboiler, and during secondary recovery, utilize The high efficiency of second level falling film evaporator, as far as possible reduce heat source dosage, can it is energy saving and prevent thermal sensitivity high-boiling components decompose. After the completion of the heating of second level falling film evaporator, flash principle is recycled, realizes the secondary separation of weight component again.To prevent second level from dropping The material of film evaporator is blocked in distributor, increases anti-blocking and cooling function.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the recyclable device of thermal sensitivity high-boiling components of the utility model.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, so that those skilled in the art The utility model may be better understood and can be practiced, but illustrated embodiment is not as the restriction to the utility model.
Referring to Figure 1, present embodiment discloses a kind of recyclable devices of thermal sensitivity high-boiling components, including level-one interconnected Hybrid Heating separation system and secondary recovery system, the level-one Hybrid Heating separation system include sequentially connected stage falling-film Evaporator 1, rectifying column 2, delivery pump 3 are efficiently separated using the realization of stage falling-film evaporators 1, the stage falling-film evaporators 1 with Connected between the rectifying column 2 by pipeline 1, pipeline 1 is connected to 2 tower reactor of rectifying column, the rectifying column 2 with it is described defeated It send and is connected between the feed inlet of pump 3 by pipeline 2 21, pipeline 2 21 is connected to 2 tower reactor of rectifying column, the discharging of the delivery pump 3 It is connected between mouth and the stage falling-film evaporators 1 by pipeline 3 31, the level-one Hybrid Heating separation system and feed pipe 10 connections, the feed pipe 10 are connect with pipeline 3 31;
The secondary recovery system includes second level falling film evaporator 4 and flash tank 5 interconnected;
It is connected between the second level falling film evaporator 4 and the discharge port of the delivery pump 3 by pipeline 6 33, utilizes second level The high efficiency of falling film evaporator 4 reduces the energy and uses, thus energy saving and prevent thermal sensitivity high-boiling components from decomposing;
Further, the second level falling film evaporator 4 is equipped with heat source import 42 and thermal source outlet 43,42 He of heat source import Thermal source outlet 43 is connect with external heat source, and heat source includes the device that can generate or store hot oil, hot water or hot gas, the second level The distributor of falling film evaporator 4 be equipped with overflow weir, by overflow weir prevent thermal sensitivity high-boiling components decompose after solid impurity into Enter in second level falling film evaporator 4, the second level falling film evaporator 4 connects high-pressure air source 44, and high-pressure air source 44 and second level falling liquid film steam The distributor connection of device 4 is sent out, high-pressure air source 44 includes air compressor, by high-pressure air source 44 periodically by second level falling film evaporator Solid impurity on 4 distributor is removed;
It is connected between the second level falling film evaporator 4 and the flash tank 5 by pipeline 5 41, is set on the flash tank 5 There are discharge nozzle 1 and discharge nozzle 2 52, is not flashed gaseous stream after flash distillation and by discharge nozzle 1 and discharge nozzle 2 52 Residual high-boiling components logistics separately discharges, and using flash principle, realizes the secondary separation of weight component, reduces heat source by flash tank 5 Use, reduce the risk of cost and fouling.
Further, the recovery method of temperature-sensitive high-boiling components:
1, the recycle stock in 2 tower reactor of rectifying column extracted out by delivery pump 3 and largely with the object that enters from feed pipe 10 Material carries out mixing to dilute the concentration of material and avoid heat sensitive material hot-spot (material is with recycle stock mass ratio 1:25~1:50);
2, under vacuum conditions, pass through the heating of stage falling-film evaporators 1 separation of material (very after material and recycle stock mixing Do-nothing operation 0~90KpaA of pressure, tower reactor operation temperature are 50~150 DEG C);
3, another part recycle stock of 2 tower reactor of rectifying column is produced to secondary recovery system, reduces heavy constituent material in kettle Concentration (tower reactor heavy constituent produces material and recycle stock mass ratio is 1:30~1:300);
4, thermal sensitivity high-boiling components are sent by delivery pump 3 to the (charging of second level falling film evaporator 4 of second level falling film evaporator 4 Temperature is 30~80 DEG C);
5, into after second level falling film evaporator 4, it is uniformly distributed high-boiling components by distributor;
6, the chilling piece of cold-hot two-stage is housed, cold end is connect with distributor, heat on the distributor of second level falling film evaporator 4 End with distributor lower section nozzle connect (50~80 DEG C of chilling piece cold-side temperature, 80~130 DEG C of hot side temperature), by chilling piece into Row cooling;
7, overflow weir is housed, the solid after preventing thermal sensitivity high-boiling components from decomposing is miscellaneous on the distributor of second level falling film evaporator 4 Matter enters in second level falling film evaporator 4;
8, the distributor of second level falling film evaporator 4 is connected with the high-pressure air source 44 of automatic cleaning solid impurity, will periodically divide Solid impurity on cloth device is removed and (cleans 10~100KpaG of pressure, clean 0.1~10Nm3/hr of flow);
9, high-boiling components heat in second level falling film evaporator 4, and enter flash tank 5 and flash, and make the weight group in high-boiling components Point separation, recycling useful constituent (temperature of second level falling film evaporator 4 is 110~150 DEG C, 5 operating pressure 0 of flash tank~ 90KpaA)。
Embodiment described above is only preferred embodiments for fully illustrating the utility model, the utility model Protection scope it is without being limited thereto.Those skilled in the art made equivalent substitute or change on the basis of the utility model It changes, both is within the protection scope of the present invention.The protection scope of the utility model is subject to claims.

Claims (9)

1. a kind of recyclable device of thermal sensitivity high-boiling components, it is characterised in that: including level-one Hybrid Heating segregative line interconnected System and secondary recovery system, the level-one Hybrid Heating separation system include sequentially connected stage falling-film evaporators, rectifying column, Delivery pump, the secondary recovery system include second level falling film evaporator and flash tank interconnected, the level-one Hybrid Heating Separation system is connect with feed pipe.
2. a kind of recyclable device of thermal sensitivity high-boiling components as described in claim 1, which is characterized in that the stage falling-film evaporation It is connected between device and the rectifying column by pipeline one, passes through pipeline two between the rectifying column and the feed inlet of the delivery pump Connection is connected between the discharge port of the delivery pump and the stage falling-film evaporators by pipeline three.
3. a kind of recyclable device of thermal sensitivity high-boiling components as claimed in claim 2, which is characterized in that the feed pipe with it is described Pipeline three connects.
4. a kind of recyclable device of thermal sensitivity high-boiling components as described in claim 1, which is characterized in that the second level falling film evaporation It is connected between device and the discharge port of the delivery pump by pipeline six.
5. a kind of recyclable device of thermal sensitivity high-boiling components as described in claim 1, which is characterized in that the second level falling film evaporation It is connected between device and the flash tank by pipeline five.
6. a kind of recyclable device of thermal sensitivity high-boiling components as described in claim 1, which is characterized in that the second level falling film evaporation Device is equipped with heat source import and thermal source outlet.
7. a kind of recyclable device of thermal sensitivity high-boiling components as described in claim 1, which is characterized in that the second level falling film evaporation Device connects high-pressure air source.
8. a kind of recyclable device of thermal sensitivity high-boiling components as described in claim 1, which is characterized in that the second level falling film evaporation The distributor of device is equipped with overflow weir.
9. a kind of recyclable device of thermal sensitivity high-boiling components as described in claim 1, which is characterized in that the flash tank is equipped with Discharge nozzle one and discharge nozzle two.
CN201821013753.6U 2018-06-28 2018-06-28 A kind of recyclable device of thermal sensitivity high-boiling components Active CN208448681U (en)

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CN201821013753.6U CN208448681U (en) 2018-06-28 2018-06-28 A kind of recyclable device of thermal sensitivity high-boiling components

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Application Number Priority Date Filing Date Title
CN201821013753.6U CN208448681U (en) 2018-06-28 2018-06-28 A kind of recyclable device of thermal sensitivity high-boiling components

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114146439A (en) * 2021-12-10 2022-03-08 北京道思克矿山装备技术有限公司 Double-falling-film evaporation rectifying tower system and rectifying method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114146439A (en) * 2021-12-10 2022-03-08 北京道思克矿山装备技术有限公司 Double-falling-film evaporation rectifying tower system and rectifying method thereof

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