CN109078344A - Flash the MVR evaporation concentration equipment and method of defoaming - Google Patents
Flash the MVR evaporation concentration equipment and method of defoaming Download PDFInfo
- Publication number
- CN109078344A CN109078344A CN201811287915.XA CN201811287915A CN109078344A CN 109078344 A CN109078344 A CN 109078344A CN 201811287915 A CN201811287915 A CN 201811287915A CN 109078344 A CN109078344 A CN 109078344A
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- Prior art keywords
- flash
- compressor
- separation chamber
- chamber
- flash distillation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/30—Accessories for evaporators ; Constructional details thereof
-
- 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
- B01D3/06—Flash distillation
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The invention discloses the MVR evaporation concentration equipments and method of a kind of flash distillation defoaming, after raw material inputs evaporator heating and part evaporation, separation chamber is inputted, the gas phase after separation enters main compressor, it is heated as heat source input evaporator to feed liquid after compression, discharge is condensed after heating；Liquid phase after separation chamber's separation is largely recycled to evaporator and continues heating evaporation, in addition fraction enters flash chamber flash distillation, liquid phase input separation chamber after flash distillation sprays defoaming treatment to feed liquid, gas phase after flash distillation is expelled directly out, or is input in the gas phase that separation chamber isolates by flash compressor.Liquid phase after separation chamber's concentration is discharged from concentrate discharge line.The present invention operating condition easy to foaming concentration process suitable for material, achieve the purpose that defoaming treatment by flashing spray, concentration process is polluted without feed liquid and liquid material loss, can satisfy the requirement of MVR evaporation concentration equipment stable operation, solves the problems, such as the field at this stage.
Description
Technical field
The present invention relates to the MVR evaporating concentrating method in the field of evaporation and concentration, in particular to a kind of MVR evaporation of flash distillation defoaming
Concentrator and method.
Background technique
Concentration technology is the common production during the product processes of many industry fields such as chemical industry, food, medicine
Technique.In the concentration process of material, due to caused by the characteristic of material, the case where feed liquid is blistered, race easy to form can be often encountered
Phenomena such as material, bumping, concentration technology process is caused to play pendulum, concentration technology fails to meet production requirements, concentrator
The case where seriously affecting concentration technology production efficiency generation such as it is unable to operate stably.Especially for MVR evaporation concentration equipment, rise
It steeps oneself-meeting and compressor is caused to feed, seriously affect stabilization, the safe operation of compressor and MVR vapo(u)rization system.Therefore, debubbling method
Selection just becomes the key technology being concentrated by evaporation in production process, it is directly related to the production efficiency and production of evaporation and concentration
Quality.There are materials that pollution, material loss are big and defoaming effect is poor for current existing debubbling method.
Summary of the invention
In order to solve the above technical problems, it is an object of the invention to: a kind of MVR evaporation concentration equipment of flash distillation defoaming is provided
And method, drop a part of temperature of charge by using flash evaporation material operating condition easy to foaming in concentration process
It is low, by the material spray to the material of blistering of cooling, achievees the purpose that defoaming, entrainment with steam material is effectively prevent to enter compression
Machine or be to influence the phenomenon that extracting lime set purity generation, while the steam for flashing generation can be evaporated with evaporation concentration system
The steam isolated is collected together, is effectively avoided material pollution and material loss in evaporating concentration process, is met MVR evaporation
The requirement of concentrator stable operation.
The present invention be solve its technical problem used by technical solution are as follows: it is a kind of flash distillation defoaming MVR evaporation and concentration set
It is standby, including evaporator, separation chamber, flash chamber, main compressor, flash compressor；
The evaporator inlet is connected to raw material feeding pipe, and in separation chamber, evaporator heats side entrance and connects outlet
Main compressor outlet is passed through, evaporator heating side outlet connects lime set collection or discharge line；
The separation chamber is connected to main compressor entrance by vapor phase channel, is respectively communicated with by liquid channel in evaporator
Recycle feed liquid port, concentrate discharge line and flash chamber feed inlet；
The flash chamber is by gas phase pipeline connection in flash compressor entrance, and the flash compressor outlet is in master
Suction port of compressor.
As a preferred solution, the gaseous phase outlet of flash chamber can be directly connected to gas exhaust piping.
As a preferred solution, main compressor and flash compressor can be lobed rotor compressor, centrifugal compressor or
Other kinds of Pistonless compressor.
A kind of MVR evaporating concentrating method of flash distillation defoaming, comprising the following steps:
A. after raw material inputs evaporator heating by raw material feeding pipe and partially evaporates, input separation chamber carries out vapour-liquid point
From；
B. the gas phase after separating as heat source inputs evaporator heating side entrance after compressing by main compressor, to feed liquid plus
Heat, gas is condensed into lime set after heating, collects through lime set or discharge line is discharged；
C. 50% or more liquid phase after separation chamber's separation enters evaporator (1) continuation heating evaporation, remaining liquid phase input
Flash chamber flash distillation process, the defeated gas phase through separation chamber's spray equipment to feed liquid spray defoaming treatment, after flash distillation of liquid phase after flash distillation
Can be expelled directly out, or by flash compressor input main compressor air inlet, with separation chamber come out gas phase together with by
Compression；
D. the liquid phase after separation chamber's concentration is discharged from concentrate discharge line.
As a preferred solution, the material of flash chamber flash distillation is feed liquid, and in evaporating concentration process, material will not be by
Pollution, will not be lossy.
As a preferred solution, the operating pressure of separation chamber and flash chamber is vacuum state, i.e. negative pressure state, flash distillation
The pressure of room is lower than separation chamber pressure.
As a preferred solution, the gas phase after flash distillation can be expelled directly out by pumped vacuum systems, or be passed through
After flash compressor compression, the air inlet of main compressor is inputted together with the gas phase that separation chamber comes out, it can be to avoid extraction lime set
Loss.
The utility model has the advantages that
The present invention makes a part of feed liquid flash distillation cooling by setting flash chamber and flash compressor, using flash evaporation, will
On the feed liquid spray to the feed liquid of separation chamber that temperature reduces, effectively contain feed liquid blistering, eliminates correlative and evaporated using MVR
System is evaporated the obstacle of concentration production technology, avoid the material in evaporating concentration process from polluting, material loss phenomena such as
Generation, that is, meet the requirement of material concentration technology quality, but significantly improve correlative concentration production efficiency, reduce
Production technology cost.
It is not required the concentration process of recycling for lime set, can evacuated be directly to arrange the steam generated after flash distillation
Out.
Detailed description of the invention
Fig. 1 is a kind of structure of MVR evaporating concentrating method and equipment without flash compressor of flash distillation defoaming of the present invention
Schematic diagram；
Fig. 2 is the structure that the MVR evaporating concentrating method that a kind of flash distillation of the present invention defoams and equipment have flash compressor
Schematic diagram；
Wherein: 1, evaporator；2, main compressor；3, flash chamber；4, separation chamber；5, flash compressor；6, raw material supply pipe
Road；7, lime set collection or discharge line；8, concentrate discharge line.
Specific embodiment
The embodiment of the present invention is described further with reference to the accompanying drawing.
Embodiment 1:
In conjunction with Figure of description, the present invention provides the MVR evaporation concentration equipment and method of a kind of flash distillation defoaming, including evaporation
Device 1, separation chamber 4, flash chamber 3, main compressor 2, flash compressor 5；
1 entrance of evaporator is connected to raw material feeding pipe 6, and outlet enters in separation chamber 4,1 heated side of evaporator
Mouth is connected to the outlet of main compressor 2, and evaporator 1 heats side outlet and connects lime set collection or discharge line 7；
The separation chamber 4 is connected to 2 entrance of main compressor by vapor phase channel, is respectively communicated with by liquid channel in evaporation
Device 1 recycles feed liquid port, 3 feed inlet of concentrate discharge line 8 and flash chamber；
The flash chamber 3 is by gas phase pipeline connection in 5 entrance of flash compressor, 5 outlet of flash compressor
Gas exhaust piping can also be directly connected in the gaseous phase outlet of 2 entrance of main compressor, flash chamber 3.
As a preferred solution, main compressor 2 and flash compressor 5 can be lobed rotor compressor, centrifugal compressor
Or other kinds of Pistonless compressor.
A kind of MVR evaporating concentrating method of flash distillation defoaming, comprising the following steps:
A. after raw material inputs the heating of evaporator 1 by raw material feeding pipe 6 and partially evaporates, input separation chamber 4 carries out vapour
Liquid separation；
B. the gas phase after separating inputs evaporator 1 as heat source after compressing by main compressor 2 and heats side entrance, gives feed liquid
Heating, gas is condensed into lime set after heating, collects through lime set or discharge line 7 is discharged；
C. 50% or more liquid phase after separation chamber's separation enters the continuation heating evaporation of evaporator 1, and remaining liquid phase input is dodged
3 flash distillation process of steam room, the liquid phase after flash distillation spray defoaming treatment to feed liquid through 4 spray equipment of separation chamber, and the gas phase after flash distillation can
Be expelled directly out, or by flash compressor 5 input main compressor 2 air inlet, with separation chamber 4 come out gas phase together with by
Compression；
D. the liquid phase after separation chamber 4 is concentrated is discharged from concentrate discharge line 8.
The material that flash chamber 3 flashes is feed liquid, and in evaporating concentration process, material will not be contaminated, will not be lossy.Point
It is vacuum state, i.e. negative pressure state from the operating pressure of room 4 and flash chamber 3, the pressure of flash chamber 3 is lower than 4 pressure of separation chamber.
Embodiment 2
Raw material is inputted evaporator 1, treating capacity 3000kg/ by raw material feeding pipe 6 by the evaporation and concentration of clover Aqueous extracts
H, 50 DEG C of material temperature, 4 operating parameter of separation chamber: evaporating pressure 45kPa, 79.3 DEG C of evaporating temperature, 3 pressure 23kPa of flash chamber,
66 DEG C of 3 feed liquid temperature of flash chamber, 2 power 90kW of main compressor, 5 power 7.5kW of flash compressor, cocnentration factor reaches after evaporation
20:1 or more.In evaporation process, lime set and compressor do not turn over liquid charging phenomenon, pollution-free, lime set purity is high in concentrate,
Phenomena such as concentrate and lime set all recycle, no liquid material loss.The concentration purity of concentrate has reached manufacturing technique requirent, MVR
Evaporation concentration system being capable of steady and continuous operation.
Certainly, described above is only that presently preferred embodiments of the present invention is answered the present invention is not limited to enumerate above-described embodiment
When explanation, anyone skilled in the art is all equivalent substitutes for being made, bright under the guidance of this specification
Aobvious variant, all falls within the essential scope of this specification, ought to be by protection of the invention.
Claims (7)
1. a kind of MVR evaporation concentration equipment of flash distillation defoaming, which is characterized in that including evaporator (1), separation chamber (4), flash chamber
(3), main compressor (2), flash compressor (5)；
Evaporator (1) entrance is connected to raw material feeding pipe (6), and outlet is in separation chamber (4), evaporator (1) heating
Side entrance is connected to main compressor (2) outlet, and evaporator (1) heating side outlet connects lime set collection or discharge line (7)；
The separation chamber (4) is connected to main compressor (2) entrance by vapor phase channel, is respectively communicated with by liquid channel in evaporation
Device (1) recycles feed liquid port, concentrate discharge line (8) and flash chamber (3) feed inlet；
By gas phase pipeline connection in flash compressor (5) entrance, flash compressor (5) outlet connects the flash chamber (3)
Pass through main compressor (2) entrance.
2. a kind of MVR evaporation concentration equipment of flash distillation defoaming according to claim 1, which is characterized in that flash chamber (3)
Gaseous phase outlet can be directly connected to gas exhaust piping.
3. a kind of MVR evaporation concentration equipment of flash distillation defoaming according to claim 1, which is characterized in that main compressor (2)
It can be lobed rotor compressor, centrifugal compressor or other kinds of Pistonless compressor with flash compressor (5).
4. a kind of a kind of MVR evaporating concentrating method of flash distillation defoaming as described in claim 1, comprising the following steps:
A. after raw material is simultaneously partially evaporated by raw material feeding pipe (6) input evaporator (1) heating, input separation chamber (4) is carried out
Vapor-liquid separation；
B. the gas phase after separating inputs evaporator (1) as heat source after compressing by main compressor (2) and heats side entrance, gives feed liquid
Heating, gas is condensed into lime set after heating, collects through lime set or discharge line (7) is discharged；
C. 50% or more liquid phase after separation chamber's separation enters evaporator (1) continuation heating evaporation, remaining liquid phase input flash distillation
Room (3) flash distillation process, the liquid phase after flash distillation spray defoaming treatment to feed liquid through separation chamber's (4) spray equipment, the gas phase after flash distillation
It can be expelled directly out, or by the air inlet of flash compressor (5) input main compressor (2), the gas come out with separation chamber (4)
Mutually compressed together；
D. the liquid phase after separation chamber (4) concentration is discharged from concentrate discharge line (8).
5. a kind of MVR evaporating concentrating method of flash distillation defoaming according to claim 4, which is characterized in that flash chamber (3) dodges
The material of steaming is feed liquid, and in evaporating concentration process, material will not be contaminated, will not be lossy.
6. it is according to claim 4 it is a kind of flash distillation defoaming MVR evaporating concentrating method, which is characterized in that separation chamber (4) and
The operating pressure of flash chamber (3) is vacuum state, i.e. negative pressure state, and the pressure of flash chamber (3) is lower than separation chamber (4) pressure.
7. a kind of MVR evaporating concentrating method of flash distillation defoaming according to claim 4, which is characterized in that the gas after flash distillation
Mutually can be expelled directly out by pumped vacuum systems, or by flash compressor (5) compress after, with separation chamber (4) come out
Gas phase inputs the air inlet of main compressor (2) together, can be to avoid the loss for extracting lime set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811287915.XA CN109078344A (en) | 2018-10-31 | 2018-10-31 | Flash the MVR evaporation concentration equipment and method of defoaming |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811287915.XA CN109078344A (en) | 2018-10-31 | 2018-10-31 | Flash the MVR evaporation concentration equipment and method of defoaming |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109078344A true CN109078344A (en) | 2018-12-25 |
Family
ID=64844504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811287915.XA Withdrawn CN109078344A (en) | 2018-10-31 | 2018-10-31 | Flash the MVR evaporation concentration equipment and method of defoaming |
Country Status (1)
| Country | Link |
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| CN (1) | CN109078344A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112870771A (en) * | 2021-01-19 | 2021-06-01 | 佛山德众制药机械有限公司 | Flash distillation fire fighting equipment |
| CN114599438A (en) * | 2020-10-05 | 2022-06-07 | 株式会社Lg化学 | Stripping device and stripping method |
| CN115490284A (en) * | 2022-09-07 | 2022-12-20 | 广东海淡水处理有限公司 | Landfill leachate treatment system |
-
2018
- 2018-10-31 CN CN201811287915.XA patent/CN109078344A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114599438A (en) * | 2020-10-05 | 2022-06-07 | 株式会社Lg化学 | Stripping device and stripping method |
| CN112870771A (en) * | 2021-01-19 | 2021-06-01 | 佛山德众制药机械有限公司 | Flash distillation fire fighting equipment |
| CN115490284A (en) * | 2022-09-07 | 2022-12-20 | 广东海淡水处理有限公司 | Landfill leachate treatment system |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181225 |
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| WW01 | Invention patent application withdrawn after publication |