CN108686393A - Concentration technology in ammonium sulfate waste water MVR evaporation and crystallization system processing procedures - Google Patents
Concentration technology in ammonium sulfate waste water MVR evaporation and crystallization system processing procedures Download PDFInfo
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- CN108686393A CN108686393A CN201810775758.0A CN201810775758A CN108686393A CN 108686393 A CN108686393 A CN 108686393A CN 201810775758 A CN201810775758 A CN 201810775758A CN 108686393 A CN108686393 A CN 108686393A
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- crystallizer
- pipeline
- raw material
- evaporation
- waste water
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/28—Evaporating with vapour compression
- B01D1/2803—Special features relating to the vapour to be compressed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
-
- 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
- C02F1/041—Treatment of water, waste water, or sewage by heating by distillation or evaporation by means of vapour compression
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Crystallography & Structural Chemistry (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)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
This application involves a kind of ammonium sulfate waste water MVR treatment technologies, the prior art can only be evaporated for waste water and can not complete the processing to waste water, the application is significantly improved and is promoted effect by the improvement to system equipment, to operational efficiency, discharging percent crystallization in massecuite and quality, is worthy to be popularized.
Description
Technical field
The present invention relates to ammonium sulfate waste water MVR processing technology fields more particularly to ammonium sulfate waste water MVR evaporation and crystallization systems
And its concentration technology in processing procedure.
Background technology
MVR is the abbreviation of mechanical steam recompression technology (mechanical vapor recompression), is profit
The indirect steam and its energy generated with vapo(u)rization system itself, height is promoted to by mechanical work of low-grade steam through compressor
The steam source of grade.It so recycles to vapo(u)rization system and thermal energy is provided, one to reduce the demand to outside resources is energy saving
Technology.MVR plate-type evaporators are made of plate heat exchanger, separator and product pump etc..Material is uniform under the guiding of distributor
Distribution into plate-type evaporator plate groups, it is ensured that it is any it is a piece of be not present dry wall phenomenon.The form of evaporator can make liter
The form of film, falling liquid film and forced circulation.Indirect steam in vapor seperator passes through the separation and foam removal on vapor seperator top
Compressor is transported to after device purification, compressor is transported to heat exchanger shell pass and is steamed as evaporator heating after indirect steam is compressed
Vapour realizes heat circulation continuous evaporation.
Patent No. CN201510838862.6 proposes that a kind of technique of efficient process rare earth sulfuric acid ammonium waste water, the technique are abundant
The efficient performance for having played MVR evaporators realizes vapor to the cycle of condensed water, originally discarded steam is made to have obtained time
It receives and utilizes, not only eliminate bulky and expensive cooling equipment again;Multi-effect evaporator is partially due to be hot material feed liquor
(80~85 DEG C), it is only necessary to which a small amount of external steam is heated to 85~90 DEG C.Complete equipment all substantial saved the energy, reduce
Carbon emission eliminates thermal pollution;But only waste water is evaporated, waste water can not be handled very well, treatment effect is simultaneously
Can not achieve the desired results, it is also necessary to it is crystallized, for this purpose, the present invention propose ammonium sulfate waste water MVR evaporation and crystallization systems and its
Concentration technology in processing procedure.
Invention content
The purpose of the present invention is to solve disadvantages existing in the prior art, and the ammonium sulfate waste water MVR evaporations proposed
Concentration technology in crystal system and its processing procedure.
To achieve the goals above, present invention employs following technical solutions:
Ammonium sulfate waste water MVR evaporation and crystallization systems, including the head tank and preheater of raw material are stored, the head tank
Raw material pump is installed, the discharge end of raw material pump is connected on the feed end of preheater, the discharging of preheater on the pipeline of discharge end
End is connected on the discharge end pipeline of circulating pump, and the discharge end pipeline of circulating pump is connected in separation chamber, the top of separation chamber
It being connected on vaporization chamber by pipeline, the top outlet side of vaporization chamber is connected to by pipeline on the inlet end of vapour compression machine,
The outlet end of vapour compression machine is connected on the liquid feeding end of plate heat exchanger, and the outlet end of plate heat exchanger is connected to circulating pump
On liquid feeding end, and the condensed water of plate heat exchanger is back to circulating and evaporating in preheater by pipeline, the condensed water in preheater
By the way that in discharge of pipes to collecting tank, in the outlet end reflux concentrate to crystallizer of the separation chamber, the crystallizer goes out
Liquid end is connected to the liquid feeding end of crystallization heat exchanger by pipeline, and the outlet end for crystallizing heat exchanger is connected to both vapor compression by pipeline
The bottom of the liquid feeding end of machine, crystallizer is connected with centrifuge, and magma is discharged in the outlet end of centrifuge.
Only symbolically crystal system is described in more detail below so that technical staff has clearer understanding.
Preferably, the crystallizer includes vaporization chamber, and crystallizer is equipped with water pump, and the top of crystallizer is equipped with secondary steaming
The side lower of vapour gas outlet, the crystallizer is equipped with leaving condenser water mouth, and the top of condensed water water outlet is equipped with heating steam
The side of air inlet pipe, the vaporization chamber is equipped with temperature sensor, humidity sensor, baroceptor and liquid level sensor.
Preferably, the evaporation chamber is provided with falling film evaporator, and the raw material after heating, which enters to heat in vaporization chamber, to be steamed
Hair, the vapor of evaporation, which enters, carries out both vapor compression in vapour compression machine.
Preferably, the water inlet end of the water pump is equipped with material liquid input duct, and the bottom of the vaporization chamber is equipped with heating room,
It heats and is equipped with electric heating wire in room, electric heating wire is connect with extraneous power supply, is heated and is equipped with temperature controller in room.
Preferably, the upper inside wall of the separation chamber is equipped with wire mesh demister, and supporting rack is equipped in the middle part of the inner wall of separation chamber,
Rabbling mechanism is installed, rabbling mechanism includes driving motor, agitating shaft and stirring blade, the driving motor in the middle part of supporting rack
Mounted on the top of supporting rack, agitating shaft is fixed on the output shaft of driving motor, the outer wall of agitating shaft is circumferentially equidistant from fixation
There is stirring blade.
Preferably, the crystallizer is internally provided with washing mist eliminator, and washs mist eliminator the feed liquor in crystallizer is arranged
End.
The concentration technology of the ammonium sulfate waste water MVR evaporation and crystallization systems carried out for using the crystal system:Technique
Step includes one section of evaporation treatment process and two sections of crystallization treatment techniques;The raw material is from head tank by raw material pump by pre-
Hot device recycles condensate liquid sensible heat, and being pumped into separation chamber's circulation pipe part by raw material first enters vaporization chamber evaporation, another part
Into in crystallizer, solution passes through the bottom for dropping to evaporator in vaporization chamber, is then pumped into board-like change by vapour compression machine
Hot device heating;
Indirect steam in evaporator and crystallizer is moved upwards into compressor, and indirect steam is compressed to work by compressor
Heater return shell side discharges latent heat after skill design temperature, and condensed water enters in lime set collecting tank, the concentrate after one section of evaporation
It is laggard by magma buffer tank when magma solid-to-liquid ratio reaches design requirement by pumping out material into two sections of crystallizer evaporative crystallizations
Enter centrifuge, crystal removal, mother liquor judges back crystallizer according to organic concentration or is discharged into lower road process.
The superiority of the application:It is by the advantage of this system in terms of cost it will be apparent that MVR concentrated vitriol ammoniums are every
Recyclable 1 ton of water is evaporated, and traditional triple effect concentrated vitriol ammonium often evaporates 0.5 ton of the recyclable steam condensate (SC) of 1 ton of water, greatly
Cost is reduced, wire mesh demister is equipped with by the upper inside wall of separation chamber, supporting rack, support are equipped in the middle part of the inner wall of separation chamber
Rabbling mechanism is installed in the middle part of frame, effectively removes foam, improves the circulation efficiency of pipeline, to improve the operation effect of system
Rate ensures discharging crystallization yield and quality.
Description of the drawings
Fig. 1 is the functional block diagram of the concentration technology of ammonium sulfate waste water MVR evaporation and crystallization systems proposed by the present invention;
Fig. 2 is the functional block diagram of ammonium sulfate waste water MVR evaporation and crystallization systems proposed by the present invention;
Fig. 3 is the structural schematic diagram of crystallizer in ammonium sulfate waste water MVR evaporation and crystallization systems proposed by the present invention;
Fig. 4 is the partial structural diagram of separation chamber in ammonium sulfate waste water MVR evaporation and crystallization systems proposed by the present invention.
Specific implementation mode
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 describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Embodiment one:Referring to Fig.1-2, ammonium sulfate waste water MVR evaporation and crystallization systems, including store raw material head tank and
Preheater, is equipped with raw material pump on the pipeline of the discharge end of the head tank, the discharge end of raw material pump be connected to preheater into
Expect on end, the discharge end of preheater is connected on the discharge end pipeline of circulating pump, and the discharge end pipeline of circulating pump is connected to point
From on room, the top of separation chamber is connected to by pipeline on vaporization chamber, and the top outlet side of vaporization chamber is connected to steaming by pipeline
On the inlet end of vapour compressor, the outlet end of vapour compression machine is connected on the liquid feeding end of plate heat exchanger, plate heat exchanger
Outlet end is connected on the liquid feeding end of circulating pump, and the condensed water of plate heat exchanger is back to recycle in preheater by pipeline and be steamed
It sends out, the condensed water in preheater is by the way that in discharge of pipes to collecting tank, the outlet end reflux concentrate of the separation chamber extremely crystallizes
In device, the outlet end of the crystallizer is connected to the liquid feeding end of crystallization heat exchanger by pipeline, and the outlet end for crystallizing heat exchanger is logical
Piping is connected to the liquid feeding end of vapour compression machine, and the bottom of crystallizer is connected with centrifuge, and the outlet end discharge of centrifuge is brilliant
Slurry.
The concentration technology of ammonium sulfate waste water MVR evaporation and crystallization systems, processing step include one section of evaporation treatment process and two
Section crystallization treatment technique;The raw material recycles condensate liquid sensible heat by raw material pump from head tank by preheater, first by original
Material is pumped into separation chamber's circulation pipe part and enters vaporization chamber evaporation, and another part enters in crystallizer, and solution passes through in vaporization chamber
The bottom for dropping to evaporator is crossed, is then pumped into plate heat exchanger heating by vapour compression machine;
Indirect steam in evaporator and crystallizer is moved upwards into compressor, and indirect steam is compressed to work by compressor
Heater return shell side discharges latent heat after skill design temperature, and condensed water enters in lime set collecting tank, the concentrate after one section of evaporation
It is laggard by magma buffer tank when magma solid-to-liquid ratio reaches design requirement by pumping out material into two sections of crystallizer evaporative crystallizations
Enter centrifuge, crystal removal, mother liquor judges back crystallizer according to organic concentration or is discharged into lower road process.
Embodiment two:Referring to Fig.1-4, ammonium sulfate waste water MVR evaporation and crystallization systems, including store raw material head tank and
Preheater, is equipped with raw material pump on the pipeline of the discharge end of the head tank, the discharge end of raw material pump be connected to preheater into
Expect on end, the discharge end of preheater is connected on the discharge end pipeline of circulating pump, and the discharge end pipeline of circulating pump is connected to point
From on room, the top of separation chamber is connected to by pipeline on vaporization chamber, and the top outlet side of vaporization chamber is connected to steaming by pipeline
On the inlet end of vapour compressor, the outlet end of vapour compression machine is connected on the liquid feeding end of plate heat exchanger, plate heat exchanger
Outlet end is connected on the liquid feeding end of circulating pump, and the condensed water of plate heat exchanger is back to recycle in preheater by pipeline and be steamed
It sends out, the condensed water in preheater is by the way that in discharge of pipes to collecting tank, the outlet end reflux concentrate of the separation chamber extremely crystallizes
In device, the outlet end of the crystallizer is connected to the liquid feeding end of crystallization heat exchanger by pipeline, and the outlet end for crystallizing heat exchanger is logical
Piping is connected to the liquid feeding end of vapour compression machine, and the bottom of crystallizer is connected with centrifuge, and the outlet end discharge of centrifuge is brilliant
Slurry.
The concentration technology of ammonium sulfate waste water MVR evaporation and crystallization systems, processing step include one section of evaporation treatment process and two
Section crystallization treatment technique;The raw material recycles condensate liquid sensible heat by raw material pump from head tank by preheater, first by original
Material is pumped into separation chamber's circulation pipe part and enters vaporization chamber evaporation, and another part enters in crystallizer, and solution passes through in vaporization chamber
The bottom for dropping to evaporator is crossed, is then pumped into plate heat exchanger heating by vapour compression machine;
Indirect steam in evaporator and crystallizer is moved upwards into compressor, and indirect steam is compressed to work by compressor
Heater return shell side discharges latent heat after skill design temperature, and condensed water enters in lime set collecting tank, the concentrate after one section of evaporation
It is laggard by magma buffer tank when magma solid-to-liquid ratio reaches design requirement by pumping out material into two sections of crystallizer evaporative crystallizations
Enter centrifuge, crystal removal, mother liquor judges back crystallizer according to organic concentration or is discharged into lower road process.
The crystallizer includes vaporization chamber, and crystallizer is equipped with water pump, and the top of crystallizer is equipped with indirect steam outlet
Mouthful, the side lower of the crystallizer is equipped with leaving condenser water mouth, and the top of condensed water water outlet is equipped with heating steam inlet duct,
The side of the vaporization chamber is equipped with temperature sensor, humidity sensor, baroceptor and liquid level sensor.
In the present invention, the evaporation chamber is provided with falling film evaporator, and the raw material after heating, which enters in vaporization chamber, to be heated
Evaporation, the vapor of evaporation, which enters, carries out both vapor compression in vapour compression machine.
In the present invention, the water inlet end of the water pump is equipped with material liquid input duct, and the bottom of the vaporization chamber is equipped with heating
Room heats and is equipped with electric heating wire in room, and electric heating wire is connect with extraneous power supply, is heated and is equipped with temperature controller in room.
In the present invention, the upper inside wall of the separation chamber is equipped with wire mesh demister, and support is equipped in the middle part of the inner wall of separation chamber
Frame is equipped with rabbling mechanism in the middle part of supporting rack, and rabbling mechanism includes driving motor, agitating shaft and stirring blade, the driving
Motor is mounted on the top of supporting rack, is fixed with agitating shaft on the output shaft of driving motor, the outer wall of agitating shaft it is circumferentially equidistant from
It is fixed with stirring blade.
In the present invention, the crystallizer is internally provided with washing mist eliminator, and wash mist eliminator be arranged crystallizer into
Liquid end.
Compared with prior art, the beneficial effects of the invention are as follows:By the design of this system, can with effectively save cost,
MVR concentrated vitriols ammonium often evaporates recyclable 1 ton of water, and often to evaporate 1 ton of recyclable steam of water cold for traditional triple effect concentrated vitriol ammonium
0.5 ton of condensate, is greatly reduced cost, wire mesh demister is equipped with by the upper inside wall of separation chamber, in the inner wall of separation chamber
Portion is equipped with supporting rack, is equipped with rabbling mechanism in the middle part of supporting rack, effectively removes foam, improve the circulation efficiency of pipeline, to
The operational efficiency of raising system ensures discharging crystallization yield and quality, and the present invention is ingenious in design, and reasonable for structure, system perfecting has
Effect reduces cost, is suitble to promote.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (2)
1. ammonium sulfate waste water MVR evaporation and crystallization systems, including store the head tank and preheater of raw material, which is characterized in that institute
It states and raw material pump is installed on the pipeline of the discharge end of head tank, the discharge end of raw material pump is connected on the feed end of preheater, in advance
The discharge end of hot device is connected on the discharge end pipeline of circulating pump, and the discharge end pipeline of circulating pump is connected in separation chamber, point
Top from room is connected to by pipeline on vaporization chamber, and the top outlet side of vaporization chamber is connected to vapour compression machine by pipeline
On inlet end, the outlet end of vapour compression machine is connected on the liquid feeding end of plate heat exchanger, the outlet end connection of plate heat exchanger
On the liquid feeding end of circulating pump, and the condensed water of plate heat exchanger is back to circulating and evaporating in preheater, preheater by pipeline
In condensed water by discharge of pipes to collecting tank, it is described in the outlet end reflux concentrate to crystallizer of the separation chamber
The outlet end of crystallizer is connected to the liquid feeding end of crystallization heat exchanger by pipeline, and the outlet end for crystallizing heat exchanger is connected by pipeline
It is connected with centrifuge in the bottom of the liquid feeding end of vapour compression machine, crystallizer, magma is discharged in the outlet end of centrifuge.
2. the concentration technology of ammonium sulfate waste water MVR evaporation and crystallization systems according to claim 1, which is characterized in that technique
Step includes one section of evaporation treatment process and two sections of crystallization treatment techniques;The raw material is from head tank by raw material pump by pre-
Hot device recycles condensate liquid sensible heat, and being pumped into separation chamber's circulation pipe part by raw material first enters vaporization chamber evaporation, another part
Into in crystallizer, solution passes through the bottom for dropping to evaporator in vaporization chamber, is then pumped into board-like change by vapour compression machine
Hot device heating;
Indirect steam in evaporator and crystallizer is moved upwards into compressor, and indirect steam is compressed to technique and set by compressor
Heater return shell side discharges latent heat after counting temperature, and condensed water enters in lime set collecting tank, and the concentrate after one section of evaporation enters
Two sections of crystallizer evaporative crystallizations, when magma solid-to-liquid ratio reaches design requirement by pump out material, after magma buffer tank enter from
Scheming centrifuges, and crystal removal, mother liquor judges back crystallizer according to organic concentration or is discharged into lower road process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810775758.0A CN108686393A (en) | 2018-07-15 | 2018-07-15 | Concentration technology in ammonium sulfate waste water MVR evaporation and crystallization system processing procedures |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810775758.0A CN108686393A (en) | 2018-07-15 | 2018-07-15 | Concentration technology in ammonium sulfate waste water MVR evaporation and crystallization system processing procedures |
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| CN108686393A true CN108686393A (en) | 2018-10-23 |
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| CN201810775758.0A Pending CN108686393A (en) | 2018-07-15 | 2018-07-15 | Concentration technology in ammonium sulfate waste water MVR evaporation and crystallization system processing procedures |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110648775A (en) * | 2019-10-31 | 2020-01-03 | 湖南汉华京电清洁能源科技有限公司 | Nuclear power station radioactive waste liquid MVR evaporation system and operation method thereof |
| CN111285422A (en) * | 2020-02-15 | 2020-06-16 | 青岛科技大学 | Integrated form MVR evaporation concentration device |
| CN116062775B (en) * | 2023-02-17 | 2024-06-04 | 中国天辰工程有限公司 | Ammonium sulfate evaporation crystallization process and system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5932074A (en) * | 1994-09-05 | 1999-08-03 | Hoiss; Jakob | Method and an apparatus for the desalination of seawater |
| CN104557470A (en) * | 2015-01-23 | 2015-04-29 | 湖北开元化工科技股份有限公司 | Method for reducing para-benzoquinone into hydroquinone by using sulfur reducer |
| CN204910804U (en) * | 2015-07-22 | 2015-12-30 | 深圳市捷晶能源科技有限公司 | Ammonium sulfate solution evaporation crystallization equipment |
| CN107913526A (en) * | 2017-12-27 | 2018-04-17 | 河北工业大学 | High level salt solution evaporation crystallization equipment and process |
-
2018
- 2018-07-15 CN CN201810775758.0A patent/CN108686393A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5932074A (en) * | 1994-09-05 | 1999-08-03 | Hoiss; Jakob | Method and an apparatus for the desalination of seawater |
| CN104557470A (en) * | 2015-01-23 | 2015-04-29 | 湖北开元化工科技股份有限公司 | Method for reducing para-benzoquinone into hydroquinone by using sulfur reducer |
| CN204910804U (en) * | 2015-07-22 | 2015-12-30 | 深圳市捷晶能源科技有限公司 | Ammonium sulfate solution evaporation crystallization equipment |
| CN107913526A (en) * | 2017-12-27 | 2018-04-17 | 河北工业大学 | High level salt solution evaporation crystallization equipment and process |
Non-Patent Citations (1)
| Title |
|---|
| 邱德隆等: "《化学工程手册 第9篇 蒸发及结晶》", 30 June 1985, 化学工程出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110648775A (en) * | 2019-10-31 | 2020-01-03 | 湖南汉华京电清洁能源科技有限公司 | Nuclear power station radioactive waste liquid MVR evaporation system and operation method thereof |
| CN111285422A (en) * | 2020-02-15 | 2020-06-16 | 青岛科技大学 | Integrated form MVR evaporation concentration device |
| CN111285422B (en) * | 2020-02-15 | 2022-04-12 | 青岛科技大学 | Integrated form MVR evaporation concentration device |
| CN116062775B (en) * | 2023-02-17 | 2024-06-04 | 中国天辰工程有限公司 | Ammonium sulfate evaporation crystallization process and system |
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