CN209226882U - The process unit of triethylamine is separated in a kind of industrial wastes - Google Patents
The process unit of triethylamine is separated in a kind of industrial wastes Download PDFInfo
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- CN209226882U CN209226882U CN201822011347.2U CN201822011347U CN209226882U CN 209226882 U CN209226882 U CN 209226882U CN 201822011347 U CN201822011347 U CN 201822011347U CN 209226882 U CN209226882 U CN 209226882U
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Abstract
The process unit of triethylamine is separated in industrial wastes, for feed preheater by raw material preheating to 50~70 DEG C, the material after preheating obtains water phase and oily phase after level-one phase-splitter split-phase.Oil mutually removes azeotropy rectification column, the water being dissolved in triethylamine is removed from azeotropic distillation tower top, enter second level phase-splitter after condenser condenses, oily phase and water phase are respectively obtained after split-phase, oil is mutually recycled to azeotropy rectification column, tower reactor steam is after product knockout tower, heat exchanger, condenser condensation, into product pans.Anhydrous triethylamine product is obtained after drying and dehydrating tower is dry.The water phase got off from level-one phase-splitter and second level phase-splitter removes molten triethylamine in water by water phase treating column, and recycling triethylamine returns to feed preheater, and the water of tower reactor can directly go biochemical treatment.The utility model is exchanged heat using triethylamine product steam and raw material, not only reduces heat energy loss, but also triethylamine and water can be allowed to reach preferable split-phase effect, moisture is low in the triethylamine product isolated.
Description
Technical field
The utility model relates to separate the process unit of triethylamine in a kind of industrial wastes, it is related to substance isolation technics neck
Domain.
Background technique
Triethylamine belongs to organic compound, and systematic naming method N, N- diethyl ethanamine is colorless and transparent with strong ammonia odor
Liquid, micro- smoke, is dissolved in water in air, dissolves in ethyl alcohol, ether, and aqueous solution is in alkalescent, inflammable, and explosive, toxic, tool is strong
Irritation.Triethylamine is a kind of important industrial chemicals, be commonly used in molecular sieve and catalyst compound probability template and
It is used as catalyst in glyphosate production, the discharge of wastewater containing triethylamine of high concentration is had in corresponding production process.Due to three
Ethamine has stronger bio-toxicity, when content is more than 50mg/L, will generate inhibiting effect to microorganism growth, biochemical
Requirement (BOD5) is only the 5.3% of theoretical value, belongs to waste water difficult for biological degradation, and triethylamine Wastewater on Ecological Environmental and the mankind are strong
The potential impact of health can not be ignored.Since triethylamine is a kind of volatile, liquid easily miscible with water at low temperature, industrial production
In carry out the separation method of triethylamine and water to it and generally use its contained humidity of piece Alkali absorption, or entrainer azeotropic essence is added
It evaporates, azeotropic distillation process is easy to introduce impurity, and energy consumption is higher.The processing of the waste water containing triethylamine is a urgent problem needed to be solved.
The Chinese patent of Publication No. CN106977409A discloses the separation method of a kind of triethylamine and water, by triethylamine
Aqueous solution places heating in heater and is separated into the triethylamine solution of water content≤5% and the aqueous solution of amount containing triethylamine≤5%；
The triethylamine solution of water content≤5% is purified into triethylamine by first rectifying column and Second distillation column；To contain triethylamine amount≤
5% aqueous solution is tentatively extracted by third distillation column, then the triethylamine tentatively extracted and water mixed liquid are imported second step
Middle purification.Although the technical solution is realized to triethylamine and water mixed liquid separation, and without using entrainer, but entire
Process cannot carry out repeatedly circulative processing to waste liquid, and a yield of product is low, and heat energy loss is big, and product separating effect is not
It is ideal.
Utility model content
The utility model is in view of the deficienciess of the prior art, provide the technique dress for separating triethylamine in a kind of industrial wastes
It sets, is exchanged heat using triethylamine product steam and raw material, not only reduce heat energy loss, but also triethylamine and water can be allowed to reach preferable point
Phase effect, moisture is low in the triethylamine product isolated.
The technical solution that the utility model solves above-mentioned technical problem is as follows: the work of triethylamine is separated in a kind of industrial wastes
Process and equipment, the process unit include thick dewatering unit, product purification unit and water phase processing unit；
The thick dewatering unit includes feed preheater, level-one phase-splitter, oily phase surge tank and water phase surge tank；The original
Material preheater is connected with feedstock pipeline, and feed preheater connects the level-one phase-splitter, and the level-one phase-splitter connects institute
Oily phase surge tank is stated, level-one phase-splitter is also connected to the water phase surge tank, and the oil phase surge tank is connected to the product essence
Unit processed, the water phase surge tank are connected to water phase processing unit；
The product purification unit includes azeotropy rectification column, azeotropic distillation tower top condenser, second level phase-splitter, azeotropic distillation
Reboiler, product knockout tower, product condenser, product pans and drying and dehydrating tower；The azeotropy rectification column top connects institute
The oily phase surge tank of thick dewatering unit is stated, azeotropic distillation top of tower connects the azeotropic distillation tower top condenser, the azeotropic essence
It evaporates overhead condenser and connects the second level phase-splitter, the second level phase-splitter connection oily phase surge tank, the second level split-phase
Device connects the water phase surge tank；The azeotropic distillation reboiler is connected to the azeotropy rectification column tower reactor；The product separation
Tower bottom connects the azeotropy rectification column tower reactor, and product separation column connects the feed preheater of the thick dewatering unit；Institute
Product condenser is stated to be connected at the top of the feed preheater and the product pans of the thick dewatering unit；The product receives
Tank top connects the drying and dehydrating tower, and product receives pot bottom and drying and dehydrating tower bottom is connected with product extraction pipe jointly
Line；
The water phase processing unit includes water phase treating column, water phase processing tower reboiler, water phase treating column overhead condenser
With water phase treating column return tank；The water phase treating column connects the water phase surge tank of the thick dewatering unit；The water phase processing
Tower reboiler connects the water phase treating column tower reactor；The water phase treating column overhead condenser connects the water phase and handles tower top
Portion, the water phase treating column return tank are connected to the water phase treating column, and water phase treating column return tank is also connected to described thick de-
The feed preheater of water unit.
As the preferred embodiment for the process unit for separating triethylamine in industrial wastes, the level-one phase-splitter and second level split-phase
Device is commonly connected to a water phase surge tank, is connected with water phase transfering material pump between the water phase surge tank and water phase treating column.
As the preferred embodiment for the process unit for separating triethylamine in industrial wastes, the level-one phase-splitter and second level split-phase
Device is commonly connected to an oily phase surge tank, is connected with azeotropy rectification column between the oil phase surge tank and the azeotropy rectification column
Feed pump.
As the preferred embodiment for the process unit for separating triethylamine in industrial wastes, the azeotropic distillation tower bottom is connected with
It is recycled pipeline, the water phase processing tower bottom is connected with water phase extraction pipeline.
As the preferred embodiment for the process unit for separating triethylamine in industrial wastes, it is connected on the product extraction pipeline
Product extraction pump, is connected with condensate reflux pump between the water phase treating column return tank and water phase treating column.
The utility model relates to a kind of industrial wastes in separate the process of triethylamine include thick dehydration workshop section, product
Refinement and water phase processing section；
In the thick dehydration workshop section, the feedstock transportation of water, triethylamine will be mainly contained to feed preheater, it is pre- by raw material
For hot device by raw material preheating to 50~70 DEG C, the material after preheating, which is transported in level-one phase-splitter, is separated into water phase and oily phase, water phase
Into water phase surge tank, material is delivered to water phase processing section in water phase surge tank；Oily mutually to enter oily phase pans, oil mutually receives
Feedstock transportation is to azeotropy rectification column in tank；
In the product purification workshop section, into the material in azeotropy rectification column, main component is triethylamine, water, and the two is total
The steam of boiling object rises to azeotropic distillation column overhead, the water being dissolved in triethylamine is removed from azeotropic distillation tower top, by condenser
Enter second level phase-splitter after condensation, oily phase and water phase are respectively obtained after split-phase, oil is mutually recycled to azeotropy rectification column, tower reactor steam warp
After crossing product knockout tower, heat exchanger, condenser condensation, into product pans, obtained after drying and dehydrating tower is dry anhydrous
Triethylamine product.
In the water process workshop section, the water phase got off from level-one phase-splitter and second level phase-splitter is removed by water phase treating column
Molten triethylamine in water, recycling triethylamine return to feed preheater, and the water of water phase treating column tower reactor can directly go biochemical treatment.
As the preferred embodiment for the process for separating triethylamine in industrial wastes, the azeotropy rectification column bottom temperature is
90 ± 5 DEG C, azeotropic distillation column overhead temperatures are 74 ± 5 DEG C, and azeotropy rectification column tower top pressure is 100 ± 5KPa, azeotropy rectification column
Tower reactor pressure is 103 ± 5KPa；
As the preferred embodiment for the process for separating triethylamine in industrial wastes, the product knockout tower bottom temperature is
90 ± 5 DEG C, product separates 89 ± 5 DEG C of column overhead temperatures, product knockout tower 100 ± 5KPa of tower top pressure, product knockout tower tower reactor
103 ± 5KPa of pressure.
As the preferred embodiment for the process for separating triethylamine in industrial wastes, the water phase treating column bottom temperature
102 ± 5 DEG C, water phase handles 74 ± 5 DEG C of column overhead temperatures, water phase treating column 100 ± 5KPa of tower top pressure, water phase treating column tower reactor
103 ± 5KPa of pressure, the reflux ratio of water phase treating column are 1~3.
As the preferred embodiment for the process for separating triethylamine in industrial wastes, in the product purification workshop section, product
After knockout tower top gaseous phase is first exchanged heat with raw material by feed preheater, then it is fed sequentially into product condenser and product receiving
Tank.
The beneficial effects of the utility model are: exchanging heat using triethylamine product steam and raw material, heat energy loss is not only reduced, but also
Triethylamine and water can be allowed to reach preferable split-phase effect；Moisture is low in the triethylamine product isolated, and azeotropy rectification column is through side
Moisture < 1000ppm in the triethylamine product of line extraction, product is using moisture < in triethylamine product after adsorbing tower with molecular sieve
100ppm；
Level-one phase-splitter is first passed through into the material in azeotropy rectification column, most of water is excluded, improves the primary of product
Yield mutually returns to azeotropy rectification column by the oil of second level phase-splitter, and the water phase of level-one phase-splitter and second level phase-splitter is through water
Phase processor tower recycling improves the whole yield of product；
Miscible in low temperature according to triethylamine and water, temperature is preferable in 60~70 DEG C of time-division phase effects, by controlling split-phase
Device temperature makes triethylamine and water reach best split-phase effect.
Detailed description of the invention
Fig. 1 is the process unit schematic diagram that triethylamine is separated in industrial wastes.
Specific embodiment
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing to this
The specific embodiment of utility model is described in detail.Many details are explained in the following description in order to abundant
Understand the utility model.But the utility model can be implemented with being much different from other way described herein, this field
Technical staff can do similar improvement without prejudice to the utility model connotation, therefore the utility model is not by following public affairs
The limitation for the specific embodiment opened.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein "and/or" packet
Include any and all combinations of one or more related listed items.
Referring to Fig. 1, the utility model also provides the process unit that triethylamine is separated in a kind of industrial wastes, the technique dress
It sets including thick dewatering unit, product purification unit and water phase processing unit；
The thick dewatering unit includes feed preheater 1, level-one phase-splitter 2 and oily phase surge tank 3, water phase surge tank 24；
The feed preheater 1 is connected with feedstock pipeline 4, and feed preheater 1 connects the level-one phase-splitter 2, a fraction
Phase device 2 connects the oily phase surge tank 3, and level-one phase-splitter 2 is also connected to the water phase surge tank 24, the water phase surge tank 24
It is connected to water phase processing unit, the oil phase surge tank 3 is connected to the product purification unit；
The product purification unit includes azeotropy rectification column 5, azeotropic distillation tower top condenser 6, second level phase-splitter 7, azeotropic
Rectifying reboiler 8, product knockout tower 9, product condenser 10, product pans 11 and drying and dehydrating tower 12；The azeotropic distillation
5 top of tower connects the oily phase surge tank 3 and water phase surge tank 24 of the thick dewatering unit, at the top of azeotropy rectification column 5 described in connection
Azeotropic distillation tower top condenser 6, the azeotropic distillation tower top condenser 6 connect the second level phase-splitter 7, the second level phase-splitter
The 7 connections oily phase surge tank 3, second level phase-splitter 7 connect the water phase surge tank jointly after converging with the level-one phase-splitter 2
24；The azeotropic distillation reboiler 8 is connected to 5 tower reactor of azeotropy rectification column；9 bottom of the product knockout tower connection is described total
5 tower reactor of rectifying column is boiled, the feed preheater 1 of the thick dewatering unit is connected at the top of product knockout tower 9；The product condenser 10
It is connected to 11 top of feed preheater 1 and the product pans of the thick dewatering unit；11 top of product pans
The drying and dehydrating tower 12 is connected, 11 bottom of product pans and 12 bottom of drying and dehydrating tower are connected with product extraction pipeline jointly
17；
The triethylamine recovery unit includes water phase treating column 13, water phase processing tower reboiler 14, water phase processing column overhead
Condenser 15 and water phase treating column return tank 16；The water phase treating column 13 connects the level-one phase-splitter 2 of the thick dewatering unit,
Water phase treating column 13 is also connected with the second level phase-splitter 7 of the product purification unit；The water phase processing tower reboiler 14 connects institute
State 13 tower reactor of water phase treating column；The water phase treating column overhead condenser 15 connects 13 top of water phase treating column, the water
Phase processor tower return tank 16 is connected to the water phase treating column 13, and it is single that water phase treating column return tank 16 is also connected to the thick dehydration
The feed preheater 1 of member.
In the process unit one embodiment for separating triethylamine in industrial wastes, the level-one phase-splitter 2 and second level split-phase
7 top of device is commonly connected to water phase surge tank 24, and water phase transfering material pump is connected between water phase surge tank 24 and water phase treating column 13
22.The water conveying that water phase transfering material pump 22 exports water phase surge tank 24 is into water phase treating column 13.2 He of level-one phase-splitter
7 lower part of second level phase-splitter is commonly connected to an oily phase surge tank 3, between the oil phase surge tank 3 and the azeotropy rectification column 5
It is connected with azeotropy rectification column feed pump 23.Oil in oily phase surge tank 3 is mutually transported to azeotropic essence by azeotropy rectification column feed pump 23
It evaporates in tower.
In the process unit one embodiment for separating triethylamine in industrial wastes, 5 bottom of azeotropy rectification column is connected with
It is recycled pipeline 18, the material that 5 bottom of azeotropy rectification column generates is delivered to outside battery limit (BL) or is carried out slightly by recovery processing pipeline 18
It is re-used after steaming.13 bottom of water phase treating column is connected with water phase extraction pipeline 19, and water phase produces pipeline 19 will be at water phase
The material that reason 13 bottom of tower generates is delivered to outside battery limit (BL) or carries out to re-use after slightly steaming.
In the process unit one embodiment for separating triethylamine in industrial wastes, it is connected on the product extraction pipeline 17
Product extraction pump 20, product extraction pump 20 produce the product of 12 bottom output of 11 bottom of product pans and drying and dehydrating tower,
Condensate reflux pump 21 is connected between the water phase treating column return tank 16 and water phase treating column 13.Condensate reflux pump 21 will
Condensate liquid a part in water phase treating column return tank 16 is transported to water phase treating column 13, and a part is transported to feed preheater 1.
Azeotropic distillation reboiler 8 used in the technical program and water phase handle tower reboiler 14, and heating agent can be used and be led
Hot oil, vapor etc., the form of reboiler can be forced circulation, heat siphon type heating, falling film evaporation or submergence reboiler etc..
Referring again to Fig. 1, the utility model relates to a kind of industrial wastes in separate the process of triethylamine include thick
It is dehydrated workshop section, product purification workshop section and water phase processing section；
In the thick dehydration workshop section, by the feedstock transportation for mainly containing water, triethylamine to feed preheater 1, pass through raw material
For preheater 1 by raw material preheating to 60~70 DEG C, the material after preheating, which is transported in level-one phase-splitter 2, is separated into water phase and oily phase,
Water phase enters water phase surge tank 24, and material is transported to water phase treating column 13 in water phase surge tank 24, and oil is mutually transported to oily mutually buffering
Tank, feedstock transportation is to azeotropy rectification column 5 in oily phase surge tank；
In the product purification workshop section, material into azeotropy rectification column 5, main component is triethylamine and water, three second
The steam of the azeotropic mixture of amine and water rises to 5 tower top of azeotropy rectification column, and condensate liquid is defeated after the condensation of azeotropic distillation tower top condenser 6
Send to second level phase-splitter 7, the condensate liquid in second level phase-splitter 7 again split-phase be oil mutually and water phase, the oily phase in second level phase-splitter 7
It is transported in oily phase surge tank mutually to converge with the oil of the output of level-one phase-splitter 2 and is again introduced into the formation circulation of azeotropy rectification column 5, second level
The water phase that water phase and level-one phase-splitter 2 in phase-splitter 7 export is transported to water phase treating column 13 after converging；Fall into azeotropy rectification column
Heating of the material through azeotropic distillation reboiler 8 in 5 tower reactors, main component be triethylamine gas phase portion by survey line produce to
Product knockout tower 9, in 9 tower of product knockout tower in liquid-phase reflux to azeotropy rectification column 5,9 top gaseous phase of product knockout tower produce to
Feed preheater 1 enters product pans 11 using product condenser 10, and the product in product pans 11 is delivered to drying
Dehydrating tower 12, produces after drying；
In the water phase processing section, the water phase of level-one phase-splitter 2 and second level phase-splitter 7 is from 13 tower reactor of water phase treating column
Charging, the heating through water phase processing tower reboiler 14, main component is triethylamine, the gas phase of water azeotropic mixture rises to water phase processing
13 tower top of tower, 13 top gaseous phase of water phase treating column enter water phase treating column after the condensation of water phase treating column overhead condenser 15 and flow back
Tank 16, material parts are back to water phase treating column 13 in water phase treating column return tank 16, are partially transported to feed preheater 1, water
13 tower reactor of phase processor tower extraction water phase is gone outside battery limit (BL).
In the one embodiment for separating the process of triethylamine in industrial wastes, 5 bottom temperature of azeotropy rectification column
90 DEG C, 74 DEG C of 5 tower top temperature of azeotropy rectification column, 5 tower top pressure 100KPa of azeotropy rectification column, 5 tower reactor pressure of azeotropy rectification column
103KPa；
In the one embodiment for separating the process of triethylamine in industrial wastes, 9 bottom temperature of product knockout tower
90 DEG C, 89 DEG C of 9 tower top temperature of product knockout tower, 9 tower top pressure 100KPa of product knockout tower, 9 tower reactor pressure of product knockout tower
103KPa。
In the one embodiment for separating the process of triethylamine in industrial wastes, 13 bottom temperature of water phase treating column
102 DEG C, 74 DEG C of 13 tower top temperature of water phase treating column, 13 tower top pressure 100KPa of water phase treating column, 13 tower reactor pressure of water phase treating column
Power 103KPa, the reflux ratio of water phase treating column 13 are 1~3.
In the one embodiment for separating the process of triethylamine in industrial wastes, in the product purification workshop section, product
After knockout tower 9 top gaseous phase is first exchanged heat with raw material by feed preheater 1, then it is fed sequentially into product condenser 10 and product connects
By tank 11.
It is carried out by the process of the technical program using the process unit of the technical program with one group of raw material above-mentioned
The operation experiments of embodiment, parameter are as follows: raw material composition: water: 20%, triethylamine: 80%, charging rate 1000kg/h.
The test data operated according to embodiment: product purification workshop section: 5 overhead extraction of azeotropy rectification column: 140kg/
H, 90 DEG C of bottom temperature, 74 DEG C of tower top temperature, tower top pressure 100KPa, tower reactor pressure 103KPa, tower reactor produces component: triethylamine
99.95%, water 500ppm；
9 overhead extraction of product knockout tower: 670Kg/h, overhead extraction component: water 500ppm, triethylamine 99.95%.
Water phase processing section: 13 overhead extraction of water phase treating column: 18kg/h, reflux ratio 3,75 DEG C of tower top temperature, tower reactor temperature
Degree: 101 DEG C, tower top pressure 100KPa.
The utility model is exchanged heat using triethylamine product steam and raw material, not only reduces heat energy loss, but also can allow triethylamine
Reach preferable split-phase effect with water；Moisture is low in the triethylamine product isolated, three second of the azeotropy rectification column 5 through side take-off
Moisture < 1000ppm in amine product, moisture < 100ppm in triethylamine product after product drying dehydrating tower 12；Into altogether
Material in boiling rectifying column 5 first passes through level-one phase-splitter 2, and most of water is excluded, a yield of product is improved, by second level
The oil of phase-splitter 7 mutually returns to azeotropy rectification column 5, and the water phase of level-one phase-splitter 2 and second level phase-splitter 7 is through water phase treating column 13
Recycling, improve the whole yield of product；Miscible in low temperature according to triethylamine and water, temperature split-phase at 60~70 DEG C is imitated
Fruit is best, by controlling phase-splitter temperature, triethylamine and water is made to reach best split-phase effect.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (5)
1. separating the process unit of triethylamine in a kind of industrial wastes, it is characterised in that: the process unit includes that thick dehydration is single
Member, product purification unit and water phase processing unit；
The thick dewatering unit includes feed preheater, level-one phase-splitter, oily phase surge tank and water phase surge tank；The raw material is pre-
Hot device is connected with feedstock pipeline, and feed preheater connects the level-one phase-splitter, and the level-one phase-splitter connects the oil
Phase surge tank, level-one phase-splitter are also connected to the water phase surge tank, and the oil phase surge tank is connected to the product purification list
Member, the water phase surge tank are connected to water phase processing unit；
The product purification unit includes that azeotropy rectification column, azeotropic distillation tower top condenser, second level phase-splitter, azeotropic distillation boil again
Device, product knockout tower, product condenser, product pans and drying and dehydrating tower；The azeotropy rectification column top connection is described thick
The oily phase surge tank of dewatering unit, azeotropic distillation top of tower connect the azeotropic distillation tower top condenser, the azeotropy rectification column
It pushes up condenser and connects the second level phase-splitter, the second level phase-splitter connection oily phase surge tank, the second level phase-splitter connects
Connect the water phase surge tank；The azeotropic distillation reboiler is connected to the azeotropy rectification column tower reactor；Product knockout tower bottom
Portion connects the azeotropy rectification column tower reactor, and product separation column connects the feed preheater of the thick dewatering unit；The production
Product condenser is connected at the top of the feed preheater and the product pans of the thick dewatering unit；The product receives tank deck
Portion connects the drying and dehydrating tower, and product receives pot bottom and drying and dehydrating tower bottom is connected with product extraction pipeline jointly；
The water phase processing unit includes water phase treating column, water phase processing tower reboiler, water phase treating column overhead condenser and water
Phase processor tower return tank；The water phase treating column connects the water phase surge tank of the thick dewatering unit；The water phase treating column is again
It boils device and connects the water phase treating column tower reactor；The water phase treating column overhead condenser connects at the top of the water phase treating column, institute
It states water phase treating column return tank and is connected to the water phase treating column, water phase treating column return tank is also connected to the thick dewatering unit
Feed preheater.
2. separating the process unit of triethylamine in a kind of industrial wastes according to claim 1, it is characterised in that: described one
Grade phase-splitter and second level phase-splitter are commonly connected to a water phase surge tank, connect between the water phase surge tank and water phase treating column
It is connected to water phase transfering material pump.
3. separating the process unit of triethylamine in a kind of industrial wastes according to claim 1, it is characterised in that: described one
Grade phase-splitter and second level phase-splitter are commonly connected to an oily phase surge tank, the oil phase surge tank and the azeotropy rectification column it
Between be connected with azeotropy rectification column feed pump.
4. separating the process unit of triethylamine in a kind of industrial wastes according to claim 1, it is characterised in that: described total
Boiling rectifier bottoms are connected with recovery processing pipeline, and the water phase processing tower bottom is connected with water phase extraction pipeline.
5. separating the process unit of triethylamine in a kind of industrial wastes according to claim 1, it is characterised in that: the production
It is connected with product extraction pump on product extraction pipeline, is connected with condensate liquid between the water phase treating column return tank and water phase treating column
Reflux pump.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109369419A (en) * | 2018-12-03 | 2019-02-22 | 烟台国邦化工机械科技有限公司 | The process and device of triethylamine are separated in a kind of industrial wastes |
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2018
- 2018-12-03 CN CN201822011347.2U patent/CN209226882U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109369419A (en) * | 2018-12-03 | 2019-02-22 | 烟台国邦化工机械科技有限公司 | The process and device of triethylamine are separated in a kind of industrial wastes |
| CN109369419B (en) * | 2018-12-03 | 2024-01-19 | 烟台国邦化工机械科技有限公司 | Process method and device for separating triethylamine from industrial waste liquid |
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