CN206549614U - Reflux condensate device - Google Patents
Reflux condensate device Download PDFInfo
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- CN206549614U CN206549614U CN201720131626.5U CN201720131626U CN206549614U CN 206549614 U CN206549614 U CN 206549614U CN 201720131626 U CN201720131626 U CN 201720131626U CN 206549614 U CN206549614 U CN 206549614U
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- reflux condenser
- demister
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- reactor
- return duct
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Abstract
The utility model is related to the reflux condensate device of chemical production field, the device includes reactor and reflux condenser, the charging aperture risen at the top of gas port connection reflux condenser of reactor head, the liquid outlet of reflux condenser bottom is connected by return duct and the refluxing opening of reactor head, and the following side of reflux condenser sets gas outlet；Also include demister, the demister is drum ladle, inside filling silk screen, peripheral hardware is jacketed, jacketed to be provided with water inlet and delivery port, and demister sidepiece sets charging aperture, bottom sets liquid outlet, the gas outlet of the water inlet connection of delivery port and reflux condenser, charging aperture and reflux condenser is connected, and liquid outlet is connected with return duct.The condensation twice that the material flowed out with byproduct gas passes through in condenser and demister, by gas-liquid separation, the liquid separated flows back to reactor, reduce the loss that air foam entrainment is caused, yield improves 3%~10%, and last tail gas is absorbed with water, and processing method environmental protection is simple.
Description
Technical field
The utility model is related to the reflux condensate device of chemical production field, is mainly used in having a large amount of gaseous by-products to produce
Back flow reaction.
Background technology
Back flow reaction is a kind of most commonly seen reactive mode in organic chemical industry field, is typically carried out at boiling temperature, instead
Answer mixture to gasify, rise steam and be condensed liquefaction into reflux condenser, liquid flows back to reactor again, so repeatedly,
Until reaction terminates.
Some back flow reactions generate substantial amounts of gaseous by-product.For example：Phosphorus trichloride or POCl3 and alcohol（Phenol）Reaction
Synthesizing phosphorous acid ester or phosphate, can produce substantial amounts of hydrogen chloride gas accessory substance.Due to air foam entrainment, even if less than material
Boiling temperature under react, still have more material be chlorinated hydrogen entrainment effusion reaction system, cause yield to reduce, downstream
The load increase in vent gas treatment post.
Common reflux condenser only has single condensation function, it is impossible to eliminate air foam entrainment, is not suitable for having a large amount of non-
The back flow reaction of solidifying property gas generation.
The content of the invention
The purpose of this utility model is to overcome existing reflux condenser there was only single condensation function, it is impossible to eliminate gas
Foam is carried secretly, and the drawbacks described above for not being suitable for having the back flow reaction of a large amount of non-condensable gas generations has condensation there is provided one kind, eliminated
Air foam carries the reflux condensate device with the function of gas-liquid separation secretly.
The utility model is realized using following technical scheme：
A kind of reflux condensate device, including reactor and reflux condenser, the rising gas port connection backflow of reactor head
The charging aperture of condenser overhead, the liquid outlet of reflux condenser bottom is connected by return duct and the refluxing opening of reactor head,
The following side of reflux condenser sets gas outlet；Also include demister, the demister is drum ladle, and silk screen is filled in inside,
Peripheral hardware is jacketed, jacketed to be provided with water inlet and delivery port, and demister sidepiece sets charging aperture, and bottom sets liquid outlet, delivery port
It is connected with the water inlet of reflux condenser, the gas outlet connection of charging aperture and reflux condenser, liquid outlet is connected with return duct.
U-shaped return duct is installed between the return duct and reactor.
Visor is installed between return duct and the U-shaped return duct.
Return valve is installed between reactor and the U-shaped return duct.
The bottom of the U-shaped return duct is provided with discharging valve.
The water inlet of the demister is arranged on jacketed bottom, and delivery port is arranged on jacketed top.
The beneficial effects of the utility model are：The material flowed out with byproduct gas is in condenser and demister by twice
Condensation, by gas-liquid separation, liquid flows back to reactor, reduces the loss that air foam entrainment is caused, improves yield 3%~10%,
Last tail gas is absorbed with water, and absorbing liquid is impure few, and processing method is environmentally friendly, simple.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment 1.
Above in each figure：1st, reactor, 2, reflux condenser, 3, demister, 4, discharging tube, 5, discharging valve, 6, U-shaped backflow
Pipe, 7, refluxing opening, 8, return valve, 9, rise gas port, 10, visor, 11, return duct, 12, liquid outlet a, 13, recirculated water return pipe,
14th, recirculated water back-water valve (BWV), 15, delivery port a, 16, charging aperture a, 17, blow-down pipe, 18, drain, 19, delivery port b, 20, chuck,
21st, foam removal material, 22, water inlet a, 23, recirculated water water supply valve, 24, recirculated water upper hose, 25, liquid outlet b, 26, charging aperture b,
27th, gas outlet, 28, water inlet b.
Embodiment
In order to be more clearly understood from above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the accompanying drawings and
Embodiment is described further to the utility model.It should be noted that in the case where not conflicting, embodiments herein and
Feature in embodiment can be mutually combined.
Embodiment 1
Fig. 1 provides a kind of reflux condensate device, including reactor 1, reflux condenser 2 and demister 3.
Reactor is the equipment for realizing course of reaction, and particular type can be selected according to the type of reaction.The top of reactor
Portion rises and reflux condenser 2 is set between gas port 9 and refluxing opening 7 provided with 1 gas port 9 and refluxing opening 7 is risen.The present embodiment is selected
Reactor 1 be enamel autoclave stirred reactor, volume 500L.
The top of reflux condenser sets charging aperture 16, and bottom sets liquid outlet a12, and following side sets gas outlet 27.This
The reflux condenser 2 that embodiment is selected is vertical installation glass pipe bundle condenser, and area 10m2, tube side walks material, and shell side is walked to follow
Ring water, the delivery port a15 of sidepiece connects recirculated water return pipe 13 by recirculated water back-water valve (BWV) 14.
Demister 3 is drum ladle, and inside filling silk screen, the bottom of peripheral hardware jacketed 20, jacketed 20 is provided with logical condensed water
Water inlet a22, top sets and charging aperture b26 is set below delivery port b19, the sidepiece of demister 3, and bottom sets liquid outlet b25.Go out
Mouth of a river a22 and reflux condenser water inlet a28 connections.The built-in polytetrafluoroethylene (PTFE) silk screen of demister 3 that the present embodiment is selected
Enamel drum ladle, diameter 300 is total high by 2700, and the water inlet a 22 of sidepiece connects recirculated water by recirculated water water supply valve 23
Upper hose 24, the connection blow-down pipe 17 of drain 18 at top.
Demister peripheral hardware chuck, recirculated water, which is introduced into chuck, enters back into condenser so that enter " gas " of demister
Further condensed, while carry out gas-liquid separation under the foam removal material effects inside demister, liquid is along inwall to flowing down
Dynamic, air-flow flows upwards out system；Gas-liquid separation mechanism also is provided with foam removal material bottom, what the feed liquid separated was separated with condenser
Feed liquid, which merges, flows back to reactor, and " gas " that will not be entered is carried secretly again so that gas-liquid is completely separated, and reduces air foam entrainment and makes
Into loss of material.
The charging aperture a 16 for rising the top of the connection of gas port 9 reflux condenser 2 at the top of reactor 1, the bottom of reflux condenser 2
Liquid outlet a 12 pass sequentially through return duct 11, visor 10, U-shaped return duct 6, the refluxing opening at the top of 8 coupled reaction device of return valve 1
7, the gas outlet 27 of the sidepiece of reflux condenser 2 connects the charging aperture b 26, the delivery port b of the sidepiece of demister 3 of the sidepiece of demister 3
The water inlet b 28 of the 19 connection sidepieces of reflux condenser 2, the connection return ducts 11 of liquid outlet b 25 of the bottom of demister 3, U-shaped backflow
The bottom of pipe 6 connects discharging tube 4 by discharging valve 5.
" gas " of reactor outflow is introduced into reflux condenser, and the steam of material is condensed, and carries out gas-liquid separation, liquid
Body flows back to reactor, and " gas " enters back into demister and is further condensed, while carrying out gas-liquid separation, liquid also flows back to reaction
Device, gas outflow system.Condenser is provided with gas-liquid separation mechanism in the lower end of condenser pipe, make liquefied material first from " gas
Separated in body " and flow back to reactor, reduce the load of downstream demister.
The reflux condensate device is in use, open recirculated water water supply valve 23 and recirculated water back-water valve (BWV) 14, to the folder of demister 3
The shell side of set 20 and reflux condenser 2 is passed through 15~30 DEG C of recirculated water, and first temporary close return valve 8 exposes when in visor 10
During liquid level formation fluid-tight, then open return valve 8, start back flow reaction, such as long period is without using can pass through discharging valve 5 and release U
Feed liquid in shape return duct 6.
In the utility model, unless otherwise clearly defined and limited, the term such as term " connection ", " connected " all should be done
It broadly understood, for example, it may be being fixedly connected or being detachably connected or integrally connected；It can make to be directly connected to, also may be used
To be indirectly connected with by intermediary.For the ordinary skill in the art, it can understand above-mentioned as the case may be
Concrete meaning of the term in the utility model.
Embodiment described above is only that preferred embodiment of the present utility model is described, not new to this practicality
The scope of type is defined, and on the premise of the utility model design spirit is not departed from, those of ordinary skill in the art are to this reality
The various modifications made with new technical scheme and improvement, all should fall into the protection model of the utility model claims determination
In enclosing.
Claims (6)
1. a kind of reflux condensate device, including reactor and reflux condenser, the rising gas port connection returned cold of reactor head
Charging aperture at the top of condenser, the liquid outlet of reflux condenser bottom is connected by return duct and the refluxing opening of reactor head, its
It is characterised by：The following side of reflux condenser sets gas outlet；Also include demister, the demister is drum ladle, internal
Silk screen is filled, peripheral hardware is jacketed, jacketed to be provided with water inlet and delivery port, demister sidepiece sets charging aperture, and bottom sets out liquid
Mouthful, the water inlet of delivery port and reflux condenser is connected, and the gas outlet of charging aperture and reflux condenser is connected, liquid outlet and backflow
Pipe is connected.
2. reflux condensate device according to claim 1, it is characterised in that be provided between the return duct and reactor
U-shaped return duct.
3. reflux condensate device according to claim 2, it is characterised in that pacify between return duct and the U-shaped return duct
Equipped with visor.
4. reflux condensate device according to claim 3, it is characterised in that pacify between reactor and the U-shaped return duct
Equipped with return valve.
5. reflux condensate device according to claim 4, it is characterised in that the bottom of the U-shaped return duct is net provided with putting
Valve.
6. reflux condensate device according to claim 5, it is characterised in that the water inlet of the demister is arranged on jacketed
Bottom, delivery port is arranged on jacketed top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720131626.5U CN206549614U (en) | 2017-02-14 | 2017-02-14 | Reflux condensate device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720131626.5U CN206549614U (en) | 2017-02-14 | 2017-02-14 | Reflux condensate device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206549614U true CN206549614U (en) | 2017-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720131626.5U Active CN206549614U (en) | 2017-02-14 | 2017-02-14 | Reflux condensate device |
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| Country | Link |
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| CN (1) | CN206549614U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109157860A (en) * | 2018-09-17 | 2019-01-08 | 大丰跃龙化学有限公司 | A kind of negative pressure rectifying still condensing reflux structure |
-
2017
- 2017-02-14 CN CN201720131626.5U patent/CN206549614U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109157860A (en) * | 2018-09-17 | 2019-01-08 | 大丰跃龙化学有限公司 | A kind of negative pressure rectifying still condensing reflux structure |
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