CN109966768A - A kind of separator for mixing liquid - Google Patents

A kind of separator for mixing liquid Download PDF

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Publication number
CN109966768A
CN109966768A CN201910448434.0A CN201910448434A CN109966768A CN 109966768 A CN109966768 A CN 109966768A CN 201910448434 A CN201910448434 A CN 201910448434A CN 109966768 A CN109966768 A CN 109966768A
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CN
China
Prior art keywords
distillation still
mixing liquid
stage condenser
pole
outlet
Prior art date
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.)
Pending
Application number
CN201910448434.0A
Other languages
Chinese (zh)
Inventor
肖雪峰
谭昊
杨长龙
王本超
栾玉龙
高凌飞
姜兆赫
刘旭东
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.)
PENGLAI LU HAO CHEMICAL MACHINERY Co Ltd
Original Assignee
PENGLAI LU HAO CHEMICAL MACHINERY Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by PENGLAI LU HAO CHEMICAL MACHINERY Co Ltd filed Critical PENGLAI LU HAO CHEMICAL MACHINERY Co Ltd
Priority to CN201910448434.0A priority Critical patent/CN109966768A/en
Publication of CN109966768A publication Critical patent/CN109966768A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D3/00Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/02Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping in boilers or stills
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D5/00Condensation of vapours; Recovering volatile solvents by condensation
    • B01D5/0057Condensation of vapours; Recovering volatile solvents by condensation in combination with other processes
    • B01D5/006Condensation of vapours; Recovering volatile solvents by condensation in combination with other processes with evaporation or distillation

Abstract

The invention discloses a kind of separators for mixing liquid, it is related to liquid separation technology field, upper end including supporting leg and the supporting leg is equipped with the distillation still for being reacted material, the front surface of the distillation still is equipped with control panel, and the upper end of distillation still is provided with kettle cover, the upper surface insertion of the kettle cover is provided with the observation window for observing distillation still inner case.The present invention cooperates the use of pipeline using first-stage condenser, need mixing liquid to be separated is pre-processed, the pre-heat treatment is carried out to mixed liquor raw material to be separated, cool down again to the steam in distillation still, not only low energy consumption, and reduce the supply of heat, recycle secondary condenser that can condense high boiling mixed liquor raw material, centrifugation is carried out to high boiling material to reach, the separating effect to mixing liquid is reached in turn, the utilization rate of the energy is not only increased, and shortens the period of batch distillation.

Description

A kind of separator for mixing liquid
Technical field
The present invention relates to liquid separation technology field, specifically a kind of separator for mixing liquid.
Background technique
Currently, traditional mixing liquid separation generallys use the form of rectifying column and horizontal tower reactor and distillation still, rectifying Tower is divided into continuous rectification and batch fractionating again.
But the equipment that needs of the separate mode of rectifying column also compares more, horizontal tower reactor and distillation still substantially belong to same Kind rectifying form requires to increase a rectifying column on equipment, and rectifying column top is further added by condenser, will result at this time It is all comparatively laborious in equipment and control system and using energy source, and general distillation still is batch distillation, can only be a kettle The distillation of one kettle can not achieve more kettle continuous stills, not can be reduced the investment of equipment, and space hold is excessive, and energy consumption It is excessively high.Therefore, it is urgent to provide a kind of separators for mixing liquid, to solve the problems mentioned in the above background technology.
Summary of the invention
The purpose of the present invention is to provide a kind of separators for mixing liquid, to solve to mention in above-mentioned background technique Out the problem of.
To achieve the above object, the invention provides the following technical scheme: a kind of separator for mixing liquid, including The upper end of supporting leg and the supporting leg is equipped with the distillation still for being reacted material, and the front surface of the distillation still is equipped with Control panel, and the upper end of distillation still is provided with kettle cover, the upper surface insertion of the kettle cover is provided with for observing in distillation still The observation window of portion's situation, the upper end of the kettle cover are equipped with motor at a side position of observation window, and the one of the distillation still Side perforation is connected with return pipe, and distillation still is penetrated through by return pipe and is connected with first-stage condenser, under the first-stage condenser End side is equipped with material inlet, and the lower end other side of first-stage condenser is equipped with steam (vapor) outlet, the first-stage condenser Upper end side is equipped with material outlet, and the top of first-stage condenser is equipped with first discharge port, and the first-stage condenser passes through First discharge port perforation is connected with secondary condenser, and valve is provided between first-stage condenser and secondary condenser, and described two The lower end side of grade condenser is equipped with the second discharge outlet.
As a further solution of the present invention: the lower end of the motor return pipe is connected with shaft, and motor return pipe Lower end is provided with bracket return pipe, the motor return pipe and kettle cover return pipe at the outer fix of shaft and is returned by bracket Flow tube is fixedly connected, and the inside of the distillation still return pipe is equipped with center-pole return pipe, the upper end of the center-pole return pipe It is rotatablely connected by shaft and motor return pipe.
As further scheme of the invention: the lower end of the center-pole is connected with bearing, the inside of the distillation still First stirring rod is installed at the outer surface position of center-pole, the outer surface of the center-pole is being located at the first stirring rod just Lower position is equipped with the second stirring rod, and the center-pole is rotatably connected to pedestal by bearing.
As further scheme of the invention: there are two first stirring rod is arranged altogether, and the first stirring rod is in Core bar is fixedly connected, and second stirring rod is a kind of U-shaped structure, and the pedestal is fixed by bolts in the inner bottom of distillation still End, and pedestal and center-pole are rotatablely connected by bearing.
As further scheme of the invention: the inside of the first-stage condenser is equipped with circulation pipe, the circulation pipe For a kind of helical structure, and one end of circulation pipe and material inlet perforation connect, and the other end and the raw material of the circulation pipe go out Mouth perforation connection.
As further scheme of the invention: one end of the steam (vapor) outlet and material outlet is provided with pipeline, and Steam (vapor) outlet and material outlet, which are penetrated through with distillation still by pipeline, to be connected, the return pipe, steam (vapor) outlet, material inlet and original One end of material outlet is mounted on control valve.
As the present invention further scheme: the lower end of the first-stage condenser offers refluxing opening, and refluxing opening with The bottom end of return pipe perforation connection, the first-stage condenser is connected by return pipe and refluxing opening and distillation still perforation, and level-one The top of condenser is connected by first discharge port and secondary condenser perforation.
Compared with prior art, the beneficial effects of the present invention are: the present invention devises a kind of separation for mixing liquid Device first passes through the second stirring rod of the first stirring rod and U-shaped to acceleration is stirred in distillation still, mentions in actual use High heat transfer efficiency, then by using the use of first-stage condenser cooperation pipeline, need mixing liquid to be separated is pre-processed, Using the steam in distillation still by pipeline into first-stage condenser, and circulation pipe is added in first-stage condenser, it is convenient It needs mixed liquor raw material to be separated to come into full contact with preheating by circulation pipe and steam, on the one hand raw material can be carried out at preheating Reason, on the other hand can cool down to steam, and low boiling material in distillation still can be condensed out, flow back into distillation In kettle, not only low energy consumption, but also reduces the supply of heat, recycles secondary condenser can be by high boiling mixed liquor raw material It is condensed, centrifugation is carried out to high boiling material to reach, and then reached the separating effect to mixing liquid, this Design solves demand of the conventional hybrid liquid separation to heat, significantly improves the utilization rate of the energy, and shortens interval and steam The period evaporated is finally reached energy-saving purpose.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of separator for mixing liquid;
Fig. 2 is a kind of structural schematic diagram of distillation still in separator for mixing liquid;
Fig. 3 is a kind of structural schematic diagram of first-stage condenser in separator for mixing liquid.
In figure: 1, supporting leg;2, distillation still;3, kettle cover;4, observation window;5, motor;6, control panel;7, return pipe;8, it steams Vapor outlet;9, first-stage condenser;10, material inlet;11, material outlet;12, first discharge port;13, valve;14, B-grade condensation Device;15, the second discharge outlet;16, the first stirring rod;17, center-pole;18, the second stirring rod;19, pedestal;20, bearing;21, it props up Frame;22, circulation pipe.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1~3, in the embodiment of the present invention, a kind of separator for mixing liquid, including supporting leg 1 and branch The upper end of leg 1 is equipped with the distillation still 2 for being reacted material, and the front surface of distillation still 2 is equipped with control panel 6, and The upper end of distillation still 2 is provided with kettle cover 3, and the upper surface insertion of kettle cover 3 is provided with the observation for observing 2 inner case of distillation still The upper end of window 4, kettle cover 3 is equipped with motor 5(model Y90L-4 at a side position of observation window 4), the side of distillation still 2 Perforation is connected with return pipe 7, and distillation still 2 is connected with first-stage condenser 9, the lower end of first-stage condenser 9 by the perforation of return pipe 7 Side is equipped with material inlet 10, and the lower end other side of first-stage condenser 9 is equipped with steam (vapor) outlet 8, first-stage condenser 9 it is upper End side is equipped with material outlet 11, and the top of first-stage condenser 9 is equipped with first discharge port 12, and first-stage condenser 9 passes through The perforation of first discharge port 12 is connected with secondary condenser 14, and is provided with valve between first-stage condenser 9 and secondary condenser 14 13, the lower end side of secondary condenser 14 is equipped with the second discharge outlet 15.
The lower end of motor 5 is connected with shaft, and the lower end of motor 5 is provided with bracket 21 at the outer fix of shaft, Motor 5 is fixedly connected with kettle cover 3 by bracket 21, and the inside of distillation still 2 is equipped with center-pole 17, and the upper end of center-pole 17 passes through Shaft and motor 5 are rotatablely connected, and the lower end of center-pole 17 is connected with bearing 20, and distillation still 2 is internally located at the outer of center-pole 17 First stirring rod 16 is installed, the outer surface of center-pole 17, which is located at the following position directly of the first stirring rod 16, pacifies at surface location Equipped with the second stirring rod 18, center-pole 17 is rotatably connected to pedestal 19 by bearing 20, and there are two the total settings of the first stirring rod 16, And first stirring rod 16 be fixedly connected with center-pole 17, the second stirring rod 18 is a kind of U-shaped structure, and pedestal 19 is bolted In the inner bottom of distillation still 2, and pedestal 19 is rotatablely connected with center-pole 17 by bearing 20, can be with when distillation still 2 works Motor 5 is controlled by control panel 6 to work, and drives center-pole 17 to rotate by shaft by motor 5, center-pole 17 is recycled to drive First stirring rod 16 and the rotation of the second stirring rod 18, and then be convenient for that material is sufficiently stirred, accelerate the reaction efficiency of material, Improve working efficiency.
The inside of first-stage condenser 9 is equipped with circulation pipe 22, and circulation pipe 22 is a kind of helical structure, and circulation pipe 22 One end and the perforation of material inlet 10 connect, and the other end and material outlet 11 perforation of circulation pipe 22 connect, and circulation pipe 22 is designed Helically, when raw material is by making it through circulation pipe 22 and fully absorbing in distillation still 2 just in the entrance circulation pipe 22 of material inlet 10 The heat of the mixed liquor steam release of secondary distillation, then be discharged by material outlet 11 into distillation still, convenient for being preheated to raw material, Also achieved the effect that cool down to the mixed liquor steam distilled for the first time.
One end of steam (vapor) outlet 8 and material outlet 11 is provided with pipeline, and steam (vapor) outlet 8 and material outlet 11 with steaming Evaporate kettle 2 and penetrated through by pipeline and connected, return pipe 7, steam (vapor) outlet 8, material inlet 10 and material outlet 11 one end be mounted on Control valve, the lower end of first-stage condenser 9 offers refluxing opening, and refluxing opening and the perforation of return pipe 7 connect, first-stage condenser 9 Bottom end is connected by return pipe 7 and refluxing opening and the perforation of distillation still 2, and the top of first-stage condenser 9 passes through first discharge port 12 It penetrates through and connects with secondary condenser 14, on the one hand add control valve, convenient for the control of staff, on the other hand can use the One discharge outlet 12, which discharges into high boiling material, carries out time condensation in secondary condenser 14, the high-purity after time condensation is high boiling Point solution is discharged by the second discharge outlet 15.
The working principle of the invention is: firstly, the mixing to be separated of a small amount of need is first added into distillation still 2 when work Then liquid controls distillation still 2 by control panel 6 and carries out heating distillation, and control the work of motor 5, passes through center-pole by motor 5 17 drive the first stirring rod 16 and the rotation of the second stirring rod 18, and then convenient for material is sufficiently stirred, accelerate the anti-of material Efficiency is answered, working efficiency is improved;
After the temperature in distillation still 2 reaches preset temperature, the control valve of 8 one end of steam (vapor) outlet, the mixing in distillation still 2 are opened Liquid steam will be discharged into first-stage condenser 9 by pipeline by steam (vapor) outlet 8, after the temperature value of first-stage condenser 9 is set, then will Mixed liquor raw material to be separated is needed to be conveyed by material inlet 10 into the circulation pipe 22 in first-stage condenser 9, then by material outlet 11 discharges, by pipeline into distillation still 2, when needing mixed liquor raw material to be separated to pass through circulation pipe 22, meeting and by steaming The mixed liquor steam that vapor outlet 8 discharges into first-stage condenser 9 carries out mixing preheating, on the one hand can carry out mixed liquor raw material just Step preheating, on the other hand can also reduce the temperature of mixed liquor steam;
After mixed liquor steam cooling, low-boiling material falls into the bottom of first-stage condenser 9 after cooling down by condensation, and by returning Head piece discharge, discharges into distillation still 2 by return pipe 7, and the high material of boiling point passes through the first discharge port of 9 upper end of first-stage condenser 12 discharge into secondary condenser 14, after time condensation, are discharged by the second discharge outlet 15, the second discharge outlet 15 discharge at this time Solution is high-purity higher boiling solution, which not only may be implemented more kettle continuous stills, but also can reduce the supply of heat, And raw material is preheated in advance, achieve the purpose that energy saving.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims (7)

1. a kind of separator for mixing liquid, the upper end including supporting leg (1) and the supporting leg (1) is equipped with for object Expect the distillation still (2) reacted, the front surface of the distillation still (2) is equipped with control panel (6), and distillation still (2) is upper End is provided with kettle cover (3), and the upper surface insertion of the kettle cover (3) is provided with the observation for observing distillation still (2) inner case Window (4), which is characterized in that the upper end of the kettle cover (3) is equipped with motor (5) at a side position of observation window (4), described The side perforation of distillation still (2) is connected with return pipe (7), and distillation still (2) is connected with level-one condensation by return pipe (7) perforation The lower end side of device (9), the first-stage condenser (9) is equipped with material inlet (10), and the lower end of first-stage condenser (9) is another Side is equipped with steam (vapor) outlet (8), and the upper end side of the first-stage condenser (9) is equipped with material outlet (11), and level-one condenses The top of device (9) is equipped with first discharge port (12), and the first-stage condenser (9) is connected with by first discharge port (12) perforation Secondary condenser (14), and valve (13), the B-grade condensation are provided between first-stage condenser (9) and secondary condenser (14) The lower end side of device (14) is equipped with the second discharge outlet (15).
2. a kind of separator for mixing liquid according to claim 1, which is characterized in that the motor (5) Lower end is connected with shaft, and the lower end of motor (5) is provided with bracket (21) at the outer fix of shaft, the motor (5) It is fixedly connected with kettle cover (3) by bracket (21), the inside of the distillation still (2) is equipped with center-pole (17), the center-pole (17) upper end is rotatablely connected by shaft and motor (5).
3. a kind of separator for mixing liquid according to claim 2, which is characterized in that the center-pole (17) Lower end be connected with bearing (20), is equipped at the outer surface position for being internally located at center-pole (17) of the distillation still (2) One stirring rod (16), the outer surface of the center-pole (17), which is located at the following position directly of the first stirring rod (16), is equipped with second Stirring rod (18), the center-pole (17) are rotatably connected to pedestal (19) by bearing (20).
4. a kind of separator for mixing liquid according to claim 3, which is characterized in that first stirring rod (16) altogether there are two settings, and the first stirring rod (16) is fixedly connected with center-pole (17), and second stirring rod (18) is one Kind U-shaped structure, the pedestal (19) are fixed by bolts in the inner bottom of distillation still (2), and pedestal (19) and center-pole (17) it is rotatablely connected by bearing (20).
5. a kind of separator for mixing liquid according to claim 1, which is characterized in that the first-stage condenser (9) inside is equipped with circulation pipe (22), the circulation pipe (22) be a kind of helical structure, and one end of circulation pipe (22) with Material inlet (10) perforation connection, the other end of the circulation pipe (22) and material outlet (11) perforation connect.
6. a kind of separator for mixing liquid according to claim 1, which is characterized in that the steam (vapor) outlet (8) and one end of material outlet (11) is provided with pipeline, and steam (vapor) outlet (8) and material outlet (11) with distillation still (2) It is penetrated through and is connected by pipeline, the return pipe (7), steam (vapor) outlet (8), one end of material inlet (10) and material outlet (11) are equal Control valve is installed.
7. a kind of separator for mixing liquid according to claim 1, which is characterized in that the first-stage condenser (9) lower end offers refluxing opening, and refluxing opening and return pipe (7) perforation connect, and the bottom end of the first-stage condenser (9) passes through Return pipe (7) and refluxing opening and distillation still (2) perforation connect, and the top of first-stage condenser (9) passes through first discharge port (12) It penetrates through and connects with secondary condenser (14).
CN201910448434.0A 2019-05-28 2019-05-28 A kind of separator for mixing liquid Pending CN109966768A (en)

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CN201910448434.0A CN109966768A (en) 2019-05-28 2019-05-28 A kind of separator for mixing liquid

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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111760314A (en) * 2020-07-08 2020-10-13 常州海克莱化学有限公司 Energy-saving distillation plant
CN113521779A (en) * 2021-07-21 2021-10-22 赵慧 Extraction equipment for mixed alcohol
CN113773872A (en) * 2021-09-30 2021-12-10 刘哲宇 Environment-friendly toluene distillation still

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202289508U (en) * 2011-10-11 2012-07-04 博爱新开源制药股份有限公司 N-vinylpyrrolidone distillation device
CN202315867U (en) * 2011-12-31 2012-07-11 迪爱生合成树脂(中山)有限公司 Material transport condenser system of reaction kettle
CN206607189U (en) * 2017-03-07 2017-11-03 扬州惠通化工科技股份有限公司 A kind of polymer removes monomer unit
CN206896870U (en) * 2017-06-21 2018-01-19 江苏北松健康产业有限公司 A kind of redistillation system and production system for drug extract
CN207187150U (en) * 2017-01-21 2018-04-06 深圳市久理达科技有限公司 A kind of energy-saving distillation recovery device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202289508U (en) * 2011-10-11 2012-07-04 博爱新开源制药股份有限公司 N-vinylpyrrolidone distillation device
CN202315867U (en) * 2011-12-31 2012-07-11 迪爱生合成树脂(中山)有限公司 Material transport condenser system of reaction kettle
CN207187150U (en) * 2017-01-21 2018-04-06 深圳市久理达科技有限公司 A kind of energy-saving distillation recovery device
CN206607189U (en) * 2017-03-07 2017-11-03 扬州惠通化工科技股份有限公司 A kind of polymer removes monomer unit
CN206896870U (en) * 2017-06-21 2018-01-19 江苏北松健康产业有限公司 A kind of redistillation system and production system for drug extract

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111760314A (en) * 2020-07-08 2020-10-13 常州海克莱化学有限公司 Energy-saving distillation plant
CN113521779A (en) * 2021-07-21 2021-10-22 赵慧 Extraction equipment for mixed alcohol
CN113773872A (en) * 2021-09-30 2021-12-10 刘哲宇 Environment-friendly toluene distillation still

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Application publication date: 20190705

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