CN206793073U - A kind of medicine intermediate distillation system - Google Patents

A kind of medicine intermediate distillation system Download PDF

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Publication number
CN206793073U
CN206793073U CN201720144394.7U CN201720144394U CN206793073U CN 206793073 U CN206793073 U CN 206793073U CN 201720144394 U CN201720144394 U CN 201720144394U CN 206793073 U CN206793073 U CN 206793073U
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CN
China
Prior art keywords
reboiler
rectifying column
distillation system
medicine intermediate
preheater
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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.)
Expired - Fee Related
Application number
CN201720144394.7U
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Chinese (zh)
Inventor
谢期林
谢海峰
梁杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CHENGDU PURIFICATION TECHNOLOGY DEVELOPMENT Co Ltd
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CHENGDU PURIFICATION TECHNOLOGY DEVELOPMENT Co Ltd
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Priority to CN201720144394.7U priority Critical patent/CN206793073U/en
Application granted granted Critical
Publication of CN206793073U publication Critical patent/CN206793073U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

A kind of medicine intermediate distillation system, including rectifying column, preheater, the first reboiler, first-stage condenser and secondary condenser, the preheater and the connection of the first reboiler, the rectifying column is connected with reboiler and first-stage condenser respectively, described secondary condenser one end is connected with first-stage condenser, the other end is also associated with product storage tank, the rectifier bottoms are additionally provided with the second reboiler, flow pump is provided with the left of second reboiler, the flow pump is connected with preheater, and the preheater is also associated with raffinate kettle.The utility model preheats the material being passed through using exporting out raffinate from rectifying column, bottom cut after the heating of second reboiler, which enters back into, circulates rectifying in rectifying column, continuation of second reboiler equivalent to rectifying column rectifying section, can is realized former rectifying column height reduction, the energy resource consumption of distillation system can be effectively reduced, reduce production cost, improve the economic benefit of enterprise.

Description

A kind of medicine intermediate distillation system
Technical field
Medicine intermediate technical field is the utility model is related to, specifically, is related to a kind of rectifying system of medicine intermediate System.
Background technology
So-called medicine intermediate, it is actually some industrial chemicals or chemical industry that some are used in medicine synthesis process Product.This chemical products, it is not necessary to the production licence of medicine, can be produced in common chemical plant, as long as reaching Rank, you can the synthesis for medicine.China about needs the raw material supporting with chemical industry and intermediate kind more than 2000, demand every year Up to more than 2,500,000 tons.
In the production process of medicine intermediate, handled raw material, intermediate product, crude product etc. are nearly all mixing Thing, and most of is homogeneous thing system.To be processed further and using, often need these mixtures being separated into purer or several The material of pure state.Rectifying is one of important method for separating homogeneous liquid mixture, belongs to the alternate interphase mass transfer mistake of gas-liquid Journey.Existing distillation system is due to many kinds of substance that handled raw material, intermediate product, crude product etc. are nearly all in mixture Separated, this just needs rectifying column to need higher tower height to separate different product, and the increase of tower height, greatly Add energy resource consumption, seriously improve production cost, reduce the economic benefit of enterprise, run counter to energy-saving ancestor Purport;And the reduction of tower height has a strong impact on the extraction of multi-product, very detrimental effect is also resulted in enterprise;Can not be abundant Using heat, the steam distilled out from rectifying column does not utilize effectively, and energy utilization rate is low, consumes substantial amounts of raw steam and uses, The requirement of energy-conservation is not reached, and rectification efficiency is low.
Utility model content
The utility model is mainly to solve the technical problem present in prior art, high so as to provide a kind of rectification efficiency The distillation system of medicine intermediate.
In order to reach above-mentioned technical purpose, the utility model, which adopts the following technical scheme that, to be achieved:
A kind of medicine intermediate distillation system, including rectifying column, preheater, the first reboiler, first-stage condenser and two level Condenser, the preheater and the connection of the first reboiler, the rectifying column is connected with reboiler and first-stage condenser respectively, described Secondary condenser one end is connected with first-stage condenser, and the other end is also associated with product storage tank, and the rectifier bottoms are additionally provided with Two reboilers, the second reboiler left side are provided with flow pump, and the flow pump is connected with preheater, and the preheater is also connected with There is raffinate kettle.
Further, it is provided with multistage valve tray inside the rectifying column.
Further, second reboiler is provided with saturated vapor entrance and condensation-water drain, in the rectifying column under Portion's cut is again introduced into rectifying column by the second reboiler reheating, active ingredient.
Further, material storage container is additionally provided with inside second reboiler, passes through the residue of the second reboiler reheating Residue is stored temporarily in the material storage container.
Further, the material storage container is connected with the flow pump.
Further, the raffinate kettle side is provided with fluid level indicator, and bottom is provided with magnetic valve.
Further, first reboiler is provided with saturated vapor entrance and condensation-water drain.
Further, the product storage tank side is provided with fluid level indicator, and bottom is provided with magnetic valve.
Further, the first-stage condenser is connected with flowmeter, and the flowmeter is connected with cooling water pump, the cooling Water pump is connected with second flowmeter, and the second flowmeter connects with the secondary condenser.
Further, the cooling water pump is connected with cooling water inlet, the first-stage condenser and the secondary condenser It is connected to coolant outlet and coolant outlet.
Implement the beneficial effects of the utility model to be:
After said structure, the utility model preheats the material being passed through using exporting out raffinate from rectifying column, the Bottom cut after the heating of two reboilers, which enters back into, circulates rectifying in rectifying column, the second reboiler is equivalent to rectifying column rectifying section Continue, it is possible to realize former rectifying column height reduction, the energy resource consumption of distillation system can be effectively reduced, reduce life Cost is produced, improves the economic benefit of enterprise, can make full use of and obtain effective product, using condensed in two stages device, it is therefore prevented that production The volatilization of product forms damage of the pneumatic hammer for pipeline;Technique is simple, and rectification efficiency is high.
Brief description of the drawings
Fig. 1 medicine intermediate distillation system structural representations.
Embodiment
Concrete scheme of the present utility model is described in further detail below in conjunction with accompanying drawing.
As shown in figure 1, a kind of medicine intermediate distillation system of the utility model, including rectifying column 1, preheater 2, first are again Boiling device 3, first-stage condenser 4 and secondary condenser 5, the reboiler 3 of preheater 2 and first connect, the rectifying column 1 respectively with Reboiler 3 and first-stage condenser 4 are connected, and described one end of secondary condenser 5 is connected with first-stage condenser 4, and the other end is also associated with Product storage tank 7, the bottom of rectifying column 1 are additionally provided with the second reboiler 12, and the left side of the second reboiler 12 is provided with flow pump 13, The flow pump 13 is connected with preheater 2, and the preheater 2 is also associated with raffinate kettle 6.
The inside of rectifying column 1 is provided with multistage valve tray 11;Second reboiler 12 is provided with the He of saturated vapor entrance 121 Condensation-water drain 122, the raffinate in the rectifying column 1 are led to by the rectifying again of the reheating of the second reboiler 12, remaining raffinate Cross the flow pump 13 and enter the material that the heating of preheater 2 is passed through, income raffinate kettle 6 after raffinate Btu utilization is complete;It is described residual The side of liquid kettle 6 is provided with fluid level indicator 61, and bottom is provided with magnetic valve 62;First reboiler 3 is provided with saturated vapor entrance 31 and condensation-water drain 32;Further, the side of product storage tank 7 is provided with fluid level indicator 71, and bottom is provided with magnetic valve 72; The first-stage condenser 4 is connected with flowmeter 41, and the flowmeter 41 is connected with cooling water pump 43, and the cooling water pump 43 connects There is second flowmeter 45, the second flowmeter 45 and the secondary condenser 5 connect;The cooling water pump 43 is connected with cooling Water inlet 44, the first-stage condenser 4 and the secondary condenser 5 are connected to coolant outlet 42 and coolant outlet 46;Material storage container 123 is additionally provided with inside second reboiler 12, the material storage container 123 is connected with the flow pump 13.
The utility model embodiment is as follows:
Medicine intermediate coarse fodder initially enters preheater 2 and preheated, and the thermal source of preheater 2 comes from the second reboiler 12 In distillation residual liquid, the second reboiler 12 is provided with saturated vapor entrance 121 and condensation-water drain 122, and inside is additionally provided with material storage container 123, material storage container 123 is connected with the flow pump 13, i.e., the bottom cut in rectifying column 1 is added for 12 2 times by the second reboiler Heat, active ingredient are again introduced into rectifying column 1, and remaining raffinate is stored in material storage container 123, enter preheater by the flow pump 13 The material that 2 heating are passed through, income raffinate kettle 6 after raffinate Btu utilization is complete;Material after preheating enters the first reboiler 3 by wink Enter rectifying column 1 after Shi Jiare, the inside of rectifying column 1 is provided with multistage valve tray 11, and the active ingredient order after rectifying enters First-stage condenser 4 and secondary condenser 5 are entered product storage tank 7 after rapid condensation;First-stage condenser 4 and secondary condenser 5 are logical Cross and be connected with the cooling water pump 43 of cooling water inlet 44 and supply water, first-stage condenser 4 is connected with flowmeter 41, the He of second flowmeter 45 The secondary condenser 5 connects.

Claims (10)

1. a kind of medicine intermediate distillation system, including rectifying column (1), preheater (2), the first reboiler (3), first-stage condenser (4) and secondary condenser (5), it is characterised in that the preheater (2) and the first reboiler (3) connection, the rectifying column (1) It is connected respectively with reboiler (3) and first-stage condenser (4), described secondary condenser (5) one end is connected with first-stage condenser (4), The other end is also associated with product storage tank (7), and rectifying column (1) bottom is additionally provided with the second reboiler (12), and described second boils again Flow pump (13) is provided with the left of device (12), the flow pump (13) is connected with preheater (2), and the preheater (2) is also associated with Raffinate kettle (6).
2. medicine intermediate distillation system as claimed in claim 1, it is characterised in that be provided with inside the rectifying column (1) more Level valve tray (11).
3. medicine intermediate distillation system as claimed in claim 1, it is characterised in that second reboiler (12) is provided with full With steam inlet (121) and condensation-water drain (122), the bottom cut in the rectifying column (1) passes through the second reboiler (12) Reheating, active ingredient are again introduced into rectifying column (1).
4. medicine intermediate distillation system as claimed in claim 3, it is characterised in that inside second reboiler (12) also Provided with material storage container (123), the material storage container is stored temporarily in by the remaining raffinate of the second reboiler (12) reheating (123)。
5. medicine intermediate distillation system as claimed in claim 4, it is characterised in that the material storage container (123) and the stream Measure pump (13) connection.
6. medicine intermediate distillation system as claimed in claim 1, it is characterised in that raffinate kettle (6) side is provided with liquid Position indicator (61), bottom is provided with magnetic valve (62).
7. medicine intermediate distillation system as claimed in claim 1, it is characterised in that first reboiler (3) is provided with Saturated vapor entrance (31) and condensation-water drain (32).
8. medicine intermediate distillation system as claimed in claim 1, it is characterised in that product storage tank (7) side is provided with Fluid level indicator (71), bottom are provided with magnetic valve (72).
9. medicine intermediate distillation system as claimed in claim 1, it is characterised in that the first-stage condenser (4) is connected with Flowmeter (41), the flowmeter (41) are connected with cooling water pump (43), and the cooling water pump (43) is connected with second flowmeter (45), the second flowmeter (45) and the secondary condenser (5) connection.
10. medicine intermediate distillation system as claimed in claim 9, it is characterised in that the cooling water pump (43) is connected with Cooling water inlet (44), the first-stage condenser (4) and the secondary condenser (5) be connected to coolant outlet (42) and Coolant outlet (46).
CN201720144394.7U 2017-02-17 2017-02-17 A kind of medicine intermediate distillation system Expired - Fee Related CN206793073U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720144394.7U CN206793073U (en) 2017-02-17 2017-02-17 A kind of medicine intermediate distillation system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720144394.7U CN206793073U (en) 2017-02-17 2017-02-17 A kind of medicine intermediate distillation system

Publications (1)

Publication Number Publication Date
CN206793073U true CN206793073U (en) 2017-12-26

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Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109134252A (en) * 2018-08-23 2019-01-04 瑞昌荣联环保科技有限公司 A kind of acrylic cracking recovery system and method using own resource heating

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109134252A (en) * 2018-08-23 2019-01-04 瑞昌荣联环保科技有限公司 A kind of acrylic cracking recovery system and method using own resource heating

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GR01 Patent grant
CP02 Change in the address of a patent holder

Address after: 610000 Sichuan Chengdu high tech Zone Xiaojiahe 99 along the street.

Patentee after: Chengdu Purification Technology Development Co., Ltd.

Address before: 610000 No. 11, No. 388, Rong Tai Avenue, Wenjiang science and Technology Development Park, Wenjiang District, Chengdu, Sichuan

Patentee before: Chengdu Purification Technology Development Co., Ltd.

CP02 Change in the address of a patent holder
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20171226

Termination date: 20200217

CF01 Termination of patent right due to non-payment of annual fee