CN202893344U - Continuously and frequently stirring kettle-type external circulating reaction rectification device with built-in horizontal type coil pipe - Google Patents

Continuously and frequently stirring kettle-type external circulating reaction rectification device with built-in horizontal type coil pipe Download PDF

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Publication number
CN202893344U
CN202893344U CN 201220458774 CN201220458774U CN202893344U CN 202893344 U CN202893344 U CN 202893344U CN 201220458774 CN201220458774 CN 201220458774 CN 201220458774 U CN201220458774 U CN 201220458774U CN 202893344 U CN202893344 U CN 202893344U
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China
Prior art keywords
reactor
rectifier
coil pipe
horizontal type
continuously
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Expired - Fee Related
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CN 201220458774
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Chinese (zh)
Inventor
曹宇锋
景晓辉
樊冬娌
石玉军
姜国民
李建华
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Nantong University
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Nantong University
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Priority to CN 201220458774 priority Critical patent/CN202893344U/en
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Abstract

The utility model relates to a continuously and frequently stirring kettle-type external circulating reaction rectification device with a built-in horizontal type coil pipe. The device comprises a rectifier, a reactor and an external circulating system, wherein a stirring shaft is arranged in the reactor, the stirring shaft is welded with stirring blades and is driven by a speed regulating motor, the upper part of the reactor is provided with a first gas guide tube and a circulated material feed inlet, the middle part of the reactor is provided with a heater, the lower part of the reactor is provided with a raw material inlet and a raw material outlet, filler is arranged in the rectifier, the bottom of the rectifier is connected with a gas guide tube and a reaction section, the lower part of the rectifier is provided with a catalyst inlet, steam on the top of the rectifier is condensed by a condenser, a part of the steam is output as a product, and the other part of the steam is circulated back to the rectifier as reflux liquid. The external circulating system comprises a pipeline between a reaction section material outlet and the circulated material feed inlet, and the pipeline is connected with an external circulating pump. The device disclosed by the utility model has the advantages of simple and reasonable structure, and easiness in operation and large-scale industrial production.

Description

Built-in horizontal type coil pipe and the autoclave outer circulation reaction and rectification devices that stir continuously more
Technical field
The autoclave outer circulation reaction and rectification devices that the utility model relates to a kind of built-in horizontal type coil pipe and stirs more continuously belong to the chemical industry equipment field.
Background technology
Reactive distillation is a kind of of special extract rectification, and it is with chemical reaction and traditional distillation technology organic coupling, and the physical process that chemical reaction process is separated with rectifying is carried out in same tower.Whole process had both been obeyed mass conservation law, followed again the General Principle of rectifying.Reactive distillation is by the method for rectifying reactant and product to be separated, and to destroy the equilibrium relation of reversible reaction, reaction is carried out to the direction that generates product, thereby has improved the conversion ratio of reversible reaction, selective and production capacity.Secondly, reactive distillation processes destroys vapor-liquid equilibrium relationship by chemical reaction, accelerates mass transfer rate, has shortened the reaction time.For exothermic reaction, the heat that reaction discharges can be used as the required heat of vaporization of rectifying, thereby has reduced energy consumption and operating cost.Therefore, reactive distillation becomes the emphasis of countries in the world chemical circles research.
Summary of the invention
The purpose of this utility model is in order to overcome above deficiency, the autoclave outer circulation reaction and rectification devices that a kind of built-in horizontal type coil pipe are provided and stir more continuously, material is heated evenly in its reactor, outer circulation that can the realization response mixture and fully stirring, improved course of reaction speed, product yield and selectively reach the separating effect of distillation process, have simultaneously simple and reasonablely, easy and simple to handle, be easy to large-scale industrial production.
The purpose of this utility model is achieved through the following technical solutions: a kind of built-in horizontal type coil pipe and the autoclave outer circulation reaction and rectification devices that stir continuously more, comprise rectifier, reactor and external circulating system, be provided with a plurality of stirring vanes in the reactor, a plurality of stirring vanes all are welded on the shaft, shaft is connected with the buncher that is installed in reactor top, reactor top is provided with the first wireway and recycle stock charging aperture, reactor middle part inwall is provided with heater, reactor lower part is provided with material inlet and discharging opening, be provided with filler in the rectifier, the bottom of rectifier communicates with the first wireway by the second wireway, the rectifier lower sides is provided with catalyst feeds, the top of rectifier is connected with for the condenser with steam-condensation, condenser is connected with return tank, return tank one side is provided with products export, the return tank opposite side is provided with the circulating reflux outlet, the circulating reflux outlet communicates with rectifier, the discharging opening bottom is provided with surge tank, one end of surge tank is connected with blow-off valve, the other end of surge tank is connected with described external circulating system, external circulating system comprises that pipeline is provided with the outer circulation pump for the pipeline that connects surge tank and recycle stock charging aperture.
Further improvement of the utility model is: described reactor is continuous many stirred-tank reactors or is made of at least two sections multistage reactor.
Further improvement of the utility model is: described heater is horizontal type spiral heater, is provided with heat medium in the coil pipe, and described heat medium is steam or conduction oil.
Further improvement of the utility model is: adopt the valve block dock to be connected between described the first wireway and the second wireway, and be bolted.
Further improvement of the utility model is: described filler is random packing or structured packing.
The utility model compared with prior art has the following advantages: simple and reasonable, easy and simple to handle, can guarantee between catalyst and the raw material fully contact, improved course of reaction speed, product yield and selectively reach the separating effect of distillation process.
Description of drawings:
Fig. 1 is structural representation of the present utility model;
Number in the figure: 1-surge tank, 2-circulating pump, 3-recycle stock charging aperture, 4-buncher, 5-catalyst feeds, 6-condenser, 7-products export, 8-return tank, 9-rectifier, 10-the first wireway, 11-shaft, 12-heater, 13-stirring vane, 14-material inlet, 15-discharging opening, 16-blow-off valve, 17-reactor, the outlet of 18-circulating reflux, 19-filler, 20-the second wireway.
The specific embodiment:
In order to deepen understanding of the present utility model, the utility model is described in further detail below in conjunction with embodiment and accompanying drawing, and this embodiment only is used for explaining the utility model, does not consist of the restriction to the utility model protection domain.
Show the specific embodiment of a kind of built-in horizontal type coil pipe of the utility model and the continuous autoclave outer circulation reaction and rectification devices that stir such as Fig. 1 more, by rectifier, reactor and external circulating system three parts form, reactor 17 consists of for continuous many stirred-tank reactors or by at least two sections multistage reactor, be provided with a plurality of stirring vanes in the reactor 17, and the outer circulation of realization catalyst and unreacted or the complete material of unreacted, be provided with a plurality of stirring vanes 13 in the reactor 17, a plurality of stirring vanes 13 all are welded on the shaft 11, shaft 11 is connected with the buncher 4 that is installed in reactor 17 tops, good seal between reactor and the buncher, be that shaft seal between reactor 17 and the shaft 11 requires mechanical seal good, guarantee without the leakage gas leak phenomenon, reactor 17 tops are provided with the first wireway 10 and recycle stock charging aperture 3, reactor 17 middle part inwalls are provided with heater 12, heater 12 is horizontal type spiral heater, be provided with heat medium in the coil pipe, heat medium is steam or heat conduction wet goods, reactor 17 bottoms are provided with material inlet 14 and discharging opening 15, be provided with filler 19 in the rectifier 9, filler 19 is random packing or structured packing, the bottom of rectifier 9 communicates with the first wireway 10 by the second wireway 20, adopt the valve block dock to be connected between the first wireway 10 and the second wireway 20, and be bolted, guarantee between the valve block without the leakage gas leak phenomenon, the position that rectifier 9 is positioned at filler 19 bottoms is provided with catalyst feeds 5, the top of rectifier 9 is connected with for the condenser 6 with steam-condensation, condenser 6 is connected with return tank 8, return tank 8 one sides are provided with products export 7, return tank 8 opposite sides are provided with circulating reflux outlet 18, circulating reflux outlet 18 communicates with rectifier 9, be that return tank 8 is used for will be through a condensed steam part through as the product extraction, another part steam circulates as phegma 18 and flows back to described rectifier 9, discharging opening 15 bottoms are provided with surge tank 1, one end of surge tank 1 is connected with blow-off valve 16, the other end of surge tank 1 is connected with described external circulating system, external circulating system be with unreacted or unreacted completely material again drop into reactor in by the recycle stock charging aperture it by outer circulation pump and outer circulation pipeline, with conversion ratio and the productive rate that improves whole reaction, be that external circulating system comprises that pipeline is provided with outer circulation pump 2 for the pipeline that connects surge tank 1 and recycle stock charging aperture 3.The material of autoclave outer circulation reaction and rectification device described in the utility model can be carbon steel, stainless steel, acid resisting alloy steel and liner enamel, polyvinyl chloride, polypropylene, polytetrafluoroethylmaterial material or resin-coated carbon steel or other metal, and overall structure advantages of simple, easy and simple to handle, can guarantee between catalyst and the raw material fully contact, improved course of reaction speed, product yield and selectively reach the separating effect of distillation process.

Claims (5)

1. a built-in horizontal type coil pipe and continuously the autoclave outer circulation reaction and rectification devices that stir more, comprise rectifier (9), reactor (17) and external circulating system, it is characterized in that: be provided with a plurality of stirring vanes (13) in the described reactor (17), a plurality of described stirring vanes (13) all are welded on the shaft (11), described shaft (11) is connected with the buncher (4) that is installed in reactor (17) top, described reactor (17) top is provided with the first wireway (10) and recycle stock charging aperture (3), described reactor (17) middle part inwall is provided with heater (12), described reactor (17) bottom is provided with material inlet (14) and discharging opening (15), be provided with filler (19) in the described rectifier (9), the bottom of described rectifier (9) communicates with described the first wireway (10) by the second wireway (20), described rectifier (9) lower sides is provided with catalyst feeds (5), the top of described rectifier (9) is connected with for the condenser (6) with steam-condensation, described condenser (6) is connected with return tank (8), described return tank (8) one sides are provided with products export (7), described return tank (8) opposite side is provided with circulating reflux outlet (18), described circulating reflux outlet (18) communicates with described rectifier (9), described discharging opening (15) bottom is provided with surge tank (1), one end of described surge tank (1) is connected with blow-off valve (16), the other end of described surge tank (1) is connected with described external circulating system, described external circulating system comprises that described pipeline is provided with outer circulation pump (2) for the pipeline that connects surge tank (1) and recycle stock charging aperture (3).
2. according to claim 1 described built-in horizontal type coil pipe and continuously the autoclave outer circulation reaction and rectification devices that stir is characterized in that more: described reactor (17) consists of for continuous many stirred-tank reactors or by at least two sections multistage reactor.
3. according to claim 1 described built-in horizontal type coil pipe and continuously the autoclave outer circulation reaction and rectification devices that stir more, it is characterized in that: described heater (12) is horizontal type spiral heater, be provided with heat medium in the described coil pipe, described heat medium is steam or conduction oil.
4. according to claim 1 described built-in horizontal type coil pipe and continuously the autoclave outer circulation reaction and rectification devices that stir more, it is characterized in that: adopt the valve block dock to be connected between described the first wireway (10) and described the second wireway (20), and be bolted.
5. according to claim 1 described built-in horizontal type coil pipe and continuously the autoclave outer circulation reaction and rectification devices that stir, it is characterized in that: described filler (19) is random packing or structured packing more.
CN 201220458774 2012-09-11 2012-09-11 Continuously and frequently stirring kettle-type external circulating reaction rectification device with built-in horizontal type coil pipe Expired - Fee Related CN202893344U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220458774 CN202893344U (en) 2012-09-11 2012-09-11 Continuously and frequently stirring kettle-type external circulating reaction rectification device with built-in horizontal type coil pipe

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Application Number Priority Date Filing Date Title
CN 201220458774 CN202893344U (en) 2012-09-11 2012-09-11 Continuously and frequently stirring kettle-type external circulating reaction rectification device with built-in horizontal type coil pipe

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103446948A (en) * 2013-08-27 2013-12-18 梧州市松桦化学品有限公司 Reaction tower
CN104888680A (en) * 2015-05-13 2015-09-09 成都佳美嘉科技有限公司 Distillation reactor
CN111744441A (en) * 2019-03-26 2020-10-09 上海合全药物研发有限公司 Continuous reaction device and method for continuously preparing monobromide

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103446948A (en) * 2013-08-27 2013-12-18 梧州市松桦化学品有限公司 Reaction tower
CN104888680A (en) * 2015-05-13 2015-09-09 成都佳美嘉科技有限公司 Distillation reactor
CN111744441A (en) * 2019-03-26 2020-10-09 上海合全药物研发有限公司 Continuous reaction device and method for continuously preparing monobromide

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

Granted publication date: 20130424

Termination date: 20140911

EXPY Termination of patent right or utility model