CN106512450B - Minimize energy-saving evaporation regenerating unit - Google Patents
Minimize energy-saving evaporation regenerating unit Download PDFInfo
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- CN106512450B CN106512450B CN201611253324.1A CN201611253324A CN106512450B CN 106512450 B CN106512450 B CN 106512450B CN 201611253324 A CN201611253324 A CN 201611253324A CN 106512450 B CN106512450 B CN 106512450B
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- stoste
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/0011—Heating features
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/0011—Heating features
- B01D1/0041—Use of fluids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/0011—Heating features
- B01D1/0041—Use of fluids
- B01D1/0047—Use of fluids in a closed circuit
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/007—Energy recuperation; Heat pumps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/02—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping in boilers or stills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
- B01D5/0033—Other features
- B01D5/0039—Recuperation of heat, e.g. use of heat pump(s), compression
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/10—Energy recovery
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
The present invention relates to a kind of energy-saving evaporation regenerating units of miniaturization, including former, concentration liquid case and distillation still and the heat exchanger of heat pump unit, first and two, cooling blower and steam liquid cooling case.Distillation still contains major and minor distillation still, has the first heating room, the first stoste outflow in main distillation still, has the first steam (vapor) outlet at the top of main distillation still.Heat pump unit outlet is connect with the first heating chamber inlet, and heat pump unit entrance is connected with the outlet of the cooling medium of vapour-liquid case, and cooling medium inlet is connect by cooling blower with the first heating chamber outlet.Second heating chamber inlet of secondary distillation still is connected with the first steam (vapor) outlet, and the second heating chamber outlet is connected with the second vapour-liquid import, and the second vacuum pump is connect with vapor and liquid export, and the second steam (vapor) outlet is connected with the first vapour-liquid import, and the second stoste outflow device is connected to stoste case.The present invention is small in size, small investment, low energy consumption, applied widely.Suitable for industries such as chemical industry, pharmacy, water process.
Description
Technical field
The present invention relates to a kind of liquid material processing units.Specifically, be for trade effluent, containing the organic of impurity
The liquid materials such as solvent are purified, regenerated evaporation regenerating unit.Suitable for industries such as chemical industry, pharmacy, water process.
Background technique
Currently, in industries such as chemical industry, pharmacy, water process, for trade effluent, the liquid such as the organic solvent containing impurity
Material is purified, regenerated evaporation regenerating unit mainly has multiple-effect evaporation, three kinds of sides of multistage flash distillation and function of mechanical steam recompression
Formula.Multiple-effect evaporation therein and multistage flash distillation mode need a large amount of steam as heat source, and device therefor is large sized complete sets of equipment, no
Only energy consumption is more, invests larger.And function of mechanical steam recompression mode, it is only heated in booting using steam, is generated in device to be evaporated
After steam, by being compressed to the secondary steam generated in evaporator for compressor, improves the energy of secondary steam and add
To utilize, to recycle the potential of secondary steam, energy consumption is reduced.Although function of mechanical steam recompression mode can reduce energy
Consumption, but still need to be equipped with the auxiliary steam energy, and due to direct compressed liquid material steam, equipment failure rate is high.It is mentioned above
For the traditional evaporation equipment arrived to be mostly large scale equipment, the treating capacity of equipment and investment are all bigger, are not suitable for medium-sized and small enterprises,
The scope of application is restricted.
Summary of the invention
The problem to be solved in the present invention is to provide a kind of energy-saving evaporation regenerating units of miniaturization.This evaporation regeneration dress
It sets, not only equipment volume is small, small investment, low energy consumption, but also applied widely.
The invention solves the above problem be realized by the following technical scheme:
The energy-saving evaporation regenerating unit of miniaturization of the invention includes stoste case, liquid case and distillation still is concentrated, its main feature is that
It further include heat pump unit, First Heat Exchanger, the second heat exchanger, cooling blower and steam liquid cooling case.
The distillation still contains main distillation still and secondary distillation still, have in the middle part of main distillation still the first heating room, the first stoste into
Mouthful, there is the first steam to go out at the top of main distillation still, the first stoste outflow is by the second heat exchanger and pipeline, valve, filter and original
Liquid case connection.
There are cooling medium inlet, cooling medium outlet, the first vapour-liquid import, the second vapour-liquid import, vapour on steam liquid cooling case
Liquid outlet, condensate outlet.
There is inlet and outlet in heat pump unit, has the first heating chamber inlet, the first heating chamber outlet on the first heating room, heat
Pump assembly outlet is connect with the first heating chamber inlet, and heat pump unit entrance and the cooling medium, which export, to be connected, cooling medium into
Mouth is connect by cooling blower with the first heating chamber outlet.
There are the second heating room, the second stoste outflow in the middle part of the pair distillation still, have the second steam (vapor) outlet at the top of secondary distillation still,
There are the second heating chamber inlet, the second heating chamber outlet, the second heating chamber inlet and first steam (vapor) outlet on second heating room
It is connected, the second heating chamber outlet is connected by the second heat exchanger, the second vacuum pump with the second vapour-liquid import, the second vacuum pump
It is connect with the vapor and liquid export, the second steam (vapor) outlet passes through First Heat Exchanger, the first vacuum pump and the first vapour-liquid import phase
Even, the second stoste outflow is connected to by First Heat Exchanger and pipeline, valve, filter with stoste case.
Wherein, the intracavity bottom of main distillation still and secondary distillation still is connected to by valve and pipeline with the concentration liquid case.
Further improvement of the present invention scheme is that the First Heat Exchanger is formed in parallel by two elements exchange devices.
Second heat exchanger is formed in parallel by two elements exchange devices.
Further improvement of the present invention scheme is that have air valve at the top of main distillation still.
Further improvement of the present invention scheme is that have air valve at the top of secondary distillation still.
Further improvement of the present invention scheme be have respectively on stoste upper box part both sides box wall oil slick outlet and valve and
Medicament adding mouth and valve.
Further improvement of the present invention scheme is that have third stoste outflow and valve on the side wall in stoste bottom portion.
Further improvement of the present invention scheme is that have sediment outlet and valve in the bottom of stoste case.
Further improvement project of the invention is that concentrate bottom portion has discharge outlet and valve.
As can be seen from the above scheme, the evaporation heat source utilizes heat pump techniques from heat pump unit and secondary steam
Absorbing low product thermal transition is that the evaporation after high product are warm for material can reduce energy consumption compared with traditional multiple-effect evaporation heat source.
The present invention uses the heat pump unit of external compression type, and steam preheating when without being switched on is pressed again with tradition machinery steam
It contracts and carrys out direct compressed material steam phase ratio, reduce operation difficulty.Meanwhile the circulatory mediator in compression heat pump system, it reduces
The failure rate of equipment.Using indirect heat exchange method, the complete equipment flames of anger is particularly suitable for the inflammable and explosive solvent of low boiling point again
Raw, concentration.
Preheating, evaporation and condensation of the present invention to material to be processed, make full use of the latent heat of material itself and the energy of system
Amount input, it is more energy-saving compared with traditional evaporation technique.The present invention uses high efficient heat exchanging technology, is inhaled using heat pump techniques
Receiving low product thermal transition is that the evaporation of material is used for after high product are warm, provides evaporation heat source, while the heat pump after cooling for vapo(u)rization system
Circulatory mediator is used for the condensation of clean steam after material evaporation, and the utilization rate of energy is improved by way of this heat exchange.It utilizes
Material and stoste after evaporation carry out heat exchange, the energy of material sufficiently after recycling evaporation.
Vapo(u)rization system of the present invention by 2-5 effect reaches the evaporation equipment treating capacity of 30 effect of tradition, using high efficient heat exchanging skill
Art improves evaporation efficiency, reduces energy consumption.The present invention integrates vapo(u)rization system, reduces occupation area of equipment, because
This, it is not only energy-saving suitable for fields such as the water process of medium-sized and small enterprises and solvent recoveries, it can also accomplish environmental emission reduction, drop
The operating cost of low enterprise.
Detailed description of the invention
Fig. 1 is the energy-saving evaporation regenerating unit structural schematic diagram of miniaturization of the invention.
Specific embodiment
As shown in Figure 1, the energy-saving evaporation regenerating unit of miniaturization of the invention contains stoste case 21, concentration liquid case 24, steams
Evaporate kettle, heat pump unit 11, First Heat Exchanger 10, the second heat exchanger 23, cooling blower 12 and steam liquid cooling case 17.
The distillation still contains main distillation still 5 and secondary distillation still 8, is provided with the first heating room, first in the middle part of main distillation still 5
Stoste outflow 26, is provided with the first steam (vapor) outlet 4 at the top of main distillation still 5, the first stoste outflow 26 by the second heat exchanger 23 and
Pipeline, valve, filter are connected to stoste case 21.
It is processed on the steam liquid cooling case 17 to there is cooling medium inlet 14, cooling medium to export the 171, first vapour-liquid import
15, the second vapour-liquid import 16, vapor and liquid export 172, condensate outlet 173.
It is machined with inlet and outlet in heat pump unit 11, is machined with the first heating chamber inlet 1, first on the first heating room and adds
Hot cell outlet 2, the outlet of heat pump unit 11 are connect with the first heating chamber inlet 1, the entrance of heat pump unit 11 and cooling Jie
Matter outlet 171 is connected, and cooling medium inlet 14 is connect by cooling blower 12 with the first heating chamber outlet 2.Wherein, heat pump unit
In medium by first heating chamber inlet 1 enter main distillation still 5 in, for main distillation still 5 evaporation heat.From the first heating
Condensation and cooling of the medium of 2 discharge of room outlet for vapour-liquid in steam liquid cooling case 17.
The second heating room, the second stoste outflow 9 are provided in the middle part of the pair distillation still 8, secondary 8 top of distillation still is processed to be had
Second steam (vapor) outlet 7, second heats the second heating of processing chamber inlet 6, the second heating chamber outlet 25 on room, the second heating chamber inlet
6 are connected with first steam (vapor) outlet 4, and the steam for generating main distillation still 5 is used for the evaporation heating of secondary distillation still 8.
Second heating chamber outlet 25 passes through the second heat exchanger 23, the second vacuum pump 22 and 16 phase of the second vapour-liquid import
Even, the second vacuum pump 22 is connect with the vapor and liquid export 172, provides power by the second vacuum pump 22, makes to go out from the second heating room
The steam of 25 discharge of mouth, with after the stoste progress heat exchange into main distillation still 5, it is cold to enter back into vapour-liquid by the second heat exchanger 23
But case 17 is condensed and is cooled down.Meanwhile second vacuum pump 22 make to generate negative pressure in main distillation still 5.
Second steam (vapor) outlet 7 is connected by First Heat Exchanger 10, the first vacuum pump 13 with the second vapour-liquid import 16, the
Two stoste outflows 9 are connected to by First Heat Exchanger 10 and pipeline, valve, filter with stoste case 21.It is mentioned by the first vacuum pump 13
For power, the steam being discharged from the second steam (vapor) outlet 7 is made to carry out heat by First Heat Exchanger 10 and into the stoste of secondary distillation still 8
After exchange, enters back into steam liquid cooling case 17 and condensed and cooled down.Meanwhile first vacuum pump 13 make to generate in secondary distillation still 8 it is negative
Pressure.
Concentration liquid case 24 is connected to by valve and pipeline with the intracavity bottom of main distillation still 5 and secondary distillation still 8.
Wherein, the First Heat Exchanger 10 and the second heat exchanger 23 are formed in parallel by two elements exchange devices.
For convenience of the negative pressure state in control distillation still, sky is provided with brokenly at the top of main distillation still 5 and secondary distillation still 8
Valve 3.
To remove the oil slick or other impurities in stoste, oil slick outlet is machined on 21 top of stoste case, one side box wall
19, valve is installed on the oil slick outlet.
To be machined with medicament adding mouth 18 on another side box wall on 21 top of stoste case, the medicament convenient for adding medicament
Valve is installed in adding mouth.
To be somebody's turn to do convenient for being machined with third stoste outflow 20 on the side wall of 21 bottom of stoste case to 21 internal-filling liquid of stoste case
Valve is installed in stoste outflow.
Sediment outlet and valve to be machined in the bottom of stoste case 21 convenient for the sediment in discharge stoste case 21
Door.
To be machined with discharge outlet in concentration 24 bottom of liquid case, being equipped with valve at discharge outlet convenient for concentrate is discharged.
When the energy-saving evaporation regenerating unit of miniaturization of the invention is run, the stoste in stoste case 21 passes through second all the way
The steam of 8 middle part the second heating chamber outlet 25 discharge of heat exchanger 23 and secondary distillation still carries out heat exchange, and the stoste after heating passes through
First stoste outflow 26, which enters in main distillation still 5, to be evaporated.The origin of heat that main distillation still 5 is evaporated is sent in heat pump unit outlet
The medium come, the medium enter main distillation still 5 by the first heating chamber inlet 1, are discharged by the first heating chamber outlet 2, first
Stoste is heated in heating interior, is evaporated stoste under negative pressure state.The negative pressure is provided by the second vacuum pump 22.By
The steam of first steam (vapor) outlet 4 discharge enters secondary distillation still 8 by the second heating chamber inlet 6, for stoste evaporation in secondary distillation still 8
Heat source is provided.
Stoste another way in stoste case 21 is by the second steam (vapor) outlet 7 at the top of First Heat Exchanger 10 and secondary distillation still 8
The steam of discharge carries out heat exchange, and the stoste after heating is entered in secondary distillation still 8 by the second stoste outflow 9, and in negative pressure shape
It is evaporated under state.The steam that evaporation heat source therein is discharged from the first steam (vapor) outlet 4 of main distillation still 5.Secondary distillation still 8
Interior negative pressure is provided by the first vacuum pump 13.
The steam of second steam (vapor) outlet 7 discharge is provided after First Heat Exchanger 10 tentatively cooling by the first vacuum pump 13
Power enters in steam liquid cooling case 17 to be cooled down again.Meanwhile first the steam that is discharged of heating chamber outlet 25 change by second
After the tentatively cooling of hot device 23, steam liquid cooling case 17 is entered by the second vacuum pump 22 offer power and is cooled down again, it is after cooling
Clean or high-purity material is discharged by condensate outlet 173 in liquid form, is used in production.It is cold in steam liquid cooling case 17
But medium sources are in the heat pump medium being discharged by the first heating chamber outlet 2, this medium by pipeline, valve connection cooling blower 12 and
The cooling import 14 of steam liquid cooling case 17 and coolant outlet 171.
Main distillation still 5 and secondary distillation still 8 periodically discharge the concentrate of intracavity bottom to liquid case is concentrated by valve, pipeline
In 24.
Claims (10)
1. minimizing energy-saving evaporation regenerating unit, including stoste case (21), concentration liquid case (24) and distillation still, it is characterised in that
It further include heat pump unit (11), First Heat Exchanger (10), the second heat exchanger (23), cooling blower (12) and steam liquid cooling case
(17)；
The distillation still contains main distillation still (5) and secondary distillation still (8), there is the first heating room, the first original in the middle part of main distillation still (5)
Liquid import (26), main distillation still (5) top have the first steam (vapor) outlet (4), and the first stoste outflow (26) is by the second heat exchanger
(23) and pipeline, valve, filter are connected to stoste case (21)；
There are cooling medium inlet (14), cooling medium outlet (171), the first vapour-liquid import (15), the on steam liquid cooling case (17)
Two vapour-liquid imports (16), vapor and liquid export (172), condensate outlet (173)；
There is inlet and outlet in heat pump unit (11), has the first heating chamber inlet (1), the first heating chamber outlet on the first heating room
(2), heat pump unit (11) outlet is connect with the first heating chamber inlet (1), and heat pump unit (11) entrance goes out with the cooling medium
Mouth (171) is connected, and cooling medium inlet (14) is connect by cooling blower (12) with the first heating chamber outlet (2)；
There are the second heating room, the second stoste outflow (9) in the middle part of the pair distillation still (8), has the second steam at the top of secondary distillation still (8)
It exports (7), there is the second heating chamber inlet (6), the second heating chamber outlet (25), the second heating chamber inlet (6) on the second heating room
It is connected with first steam (vapor) outlet (4), the second heating chamber outlet (25) passes through the second heat exchanger (23), the second vacuum pump (22)
It is connected with the second vapour-liquid import (16), the second vacuum pump (22) is connect with the vapor and liquid export (172), the second steam (vapor) outlet
(7) it is connected by First Heat Exchanger (10), the first vacuum pump (13) with the first vapour-liquid import (15), the second stoste outflow
(9) it is connected to by First Heat Exchanger (10) and pipeline, valve, filter with stoste case (21).
2. the energy-saving evaporation regenerating unit of miniaturization according to claim 1, it is characterised in that main distillation still (5) and secondary steaming
The intracavity bottom for evaporating kettle (8) is connected to by valve and pipeline with the concentration liquid case (24).
3. the energy-saving evaporation regenerating unit of miniaturization according to claim 1, it is characterised in that the First Heat Exchanger
(10) it is formed in parallel by two elements exchange devices.
4. the energy-saving evaporation regenerating unit of miniaturization according to claim 1, it is characterised in that second heat exchanger
(23) it is formed in parallel by two elements exchange devices.
5. the energy-saving evaporation regenerating unit of miniaturization according to claim 1, it is characterised in that the top of main distillation still (5)
There are air valve (3).
6. the energy-saving evaporation regenerating unit of miniaturization according to claim 1, it is characterised in that the top of secondary distillation still (8)
There are air valve (3).
7. the energy-saving evaporation regenerating unit of miniaturization according to claim 1, it is characterised in that stoste case (21) top two
There are oil slick outlet (19) and valve and medicament adding mouth (18) and valve on side box wall respectively.
8. the energy-saving evaporation regenerating unit of miniaturization according to claim 1, it is characterised in that the side of 21 bottom of stoste case
There is third stoste into (20) and valve on wall.
9. the energy-saving evaporation regenerating unit of miniaturization according to claim 1, it is characterised in that the bottom of stoste case (21)
On have sediment outlet and valve.
10. the energy-saving evaporation regenerating unit of miniaturization described according to claim 1 ~ any one of 9, it is characterised in that concentrate
Discharge outlet and valve are arranged at case (24) bottom.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611253324.1A CN106512450B (en) | 2016-12-30 | 2016-12-30 | Minimize energy-saving evaporation regenerating unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611253324.1A CN106512450B (en) | 2016-12-30 | 2016-12-30 | Minimize energy-saving evaporation regenerating unit |
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| CN106512450A CN106512450A (en) | 2017-03-22 |
| CN106512450B true CN106512450B (en) | 2019-03-12 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108273282B (en) * | 2018-02-28 | 2023-11-10 | 重庆云天化天聚新材料有限公司 | Vapor phase low-order heat recovery system of trioxymethylene synthetic distillation tower and recovery method thereof |
| CN109107209A (en) * | 2018-10-25 | 2019-01-01 | 苏州市洁力美工业设备有限公司 | Distillation still heating device based on heat pump system |
| CN109939454A (en) * | 2019-04-29 | 2019-06-28 | 邢淑辉 | A kind of heat pump vacuum concentration system |
| CN110270120A (en) * | 2019-07-13 | 2019-09-24 | 深圳市科伟达超声波设备有限公司 | A kind of industrial wastes recovery and processing system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4963231A (en) * | 1988-06-13 | 1990-10-16 | Ahlstromforetagen Svenska Ab | Method for evaporation of liquids |
| CN1182900C (en) * | 2002-11-14 | 2005-01-05 | 华东理工大学 | Technique of combined concentration by evaporation with heat pump being provided |
| CN201301235Y (en) * | 2008-06-30 | 2009-09-02 | 浙江商达环保有限公司 | Triple-effect continuous evaporative condenser |
| US8317994B2 (en) * | 2008-08-07 | 2012-11-27 | Westlake Vinyl Corporation | Method of concentrating an aqueous caustic alkali using a catholyte heat recovery evaporator |
| CN203090507U (en) * | 2013-03-15 | 2013-07-31 | 南京高捷轻工设备有限公司 | Plate type evaporation and condensation system for lignin recovery |
| CN203816249U (en) * | 2014-05-05 | 2014-09-10 | 南京高捷轻工设备有限公司 | Delta-gluconolactoneevaporation and concentration device |
| CN105152435B (en) * | 2015-07-06 | 2017-07-21 | 江苏德邦工程有限公司 | A kind of zero-emission process for treating industrial waste water |
| CN105582684A (en) * | 2016-03-14 | 2016-05-18 | 常州中源工程技术有限公司 | Mechanical compression and evaporation device for acid solution evaporation and recovery and treatment method thereof |
| CN106039749B (en) * | 2016-08-10 | 2018-04-06 | 中建安装工程有限公司 | The concentration reclamation set and technique of a kind of caprolactam water solution |
| CN206381655U (en) * | 2016-12-30 | 2017-08-08 | 无锡新弘田环保技术有限公司 | Minimize energy-saving evaporation regenerating unit |
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