CN109592729A - A kind of concentrated water processing system - Google Patents
A kind of concentrated water processing system Download PDFInfo
- Publication number
- CN109592729A CN109592729A CN201910095707.8A CN201910095707A CN109592729A CN 109592729 A CN109592729 A CN 109592729A CN 201910095707 A CN201910095707 A CN 201910095707A CN 109592729 A CN109592729 A CN 109592729A
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- Prior art keywords
- evaporator
- concentrated water
- steam
- processing system
- water processing
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- 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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/06—Contaminated groundwater or leachate
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
It include: evaporator, compressor, preheater the invention discloses a kind of concentrated water processing system, the evaporator is for being reduced solution, with one for holding the inner cavity of concentrated water, the compressor is connect with the evaporator, for Compression Evaporation device discharge steam and compressed steam is re-delivered to evaporator, compressed steam is used to heat the concentrated water in the evaporator, the preheater is connect with the evaporator, for preheating the evaporator, and make to generate the steam for reaching preset threshold in the evaporator.In above structure, evaporator can be such that concentrated water evaporates and play the effect of decrement solution, evaporator is acted on to generate steam by preheater, compressor carries out compression to the steam flowed into from evaporator and compressed steam is re-delivered to evaporator, and compressed steam can heat the concentrated water for needing to be evaporated concentration as heat source, and then the present embodiment can achieve the purpose that recycle steam, low energy consumption, it is high-efficient, it is structurally reasonable, it occupies little space.
Description
Technical field
The present invention relates to field of waste water treatment, especially a kind of concentrated water processing system.
Background technique
Percolated liquid in city refuse landfill is a kind of high concentrated organic wastewater of complicated component, is directly arranged if untreated
Enter environment, will cause serious environmental pollution.
The conventional treatment of landfill leachate is generally adopted by pretreatment+biochemistry+film (nanofiltration+reverse osmosis) advanced treating
System treatment process route, and after this process route is processed, membranous system can generate concentrated water of the concentration 30% or so, this
Containing larger molecular organics, the inorganic salts salinity etc. that the hardly possible largely retained by membranous system is biochemical in the concentrated water of part, if this portion
Point concentrated water direct emission will cause the secondary pollution of environment.
Currently, the concentrated water that membrane body system generates is mostly to be passed straight back to refuse landfill or flow back into conditioning tank to carry out again
Circulation, but will appear following problem:
A. a large amount of concentrated waters participate in circulation in system, cause effluent characteristics poor；
B. salinity constantly accumulates in biochemical system, influences microbial activity, to influence biochemical effects；
C. heavy metal with high salt leads to membranous system fouling, reduces the shelf life of film；
D. highly-saline enrichment, the fouling for influencing system pipeline scab.
And the existing most low efficiency of concentrated water processing unit, energy consumption is high, and structure setting is unreasonable, and occupied space is big, fortune
Row is at high cost.
Summary of the invention
For overcome the deficiencies in the prior art, the embodiment of the present invention provides a kind of concentrated water processing system, the present embodiment
The concentrated water processing decorum is structurally reasonable, occupies little space, and high-efficient, low energy consumption, can be located again the concentrated water that membranous system generates
Reason, greatly reduces the pollution to environment.
The technical solution adopted by the present invention to solve the technical problems is: a kind of concentrated water processing system, comprising:
Evaporator, for being reduced solution, with one for holding the inner cavity of concentrated water；
Compressor is connect with the evaporator, for Compression Evaporation device discharge steam and by compressed steam again
It is transported to evaporator, compressed steam is used to heat the concentrated water in the evaporator；
Preheater is connect with the evaporator, for preheating to the evaporator, and is made to generate in the evaporator and be reached
To the steam of preset threshold.
Further, the evaporator ring inner sidewall is circumferentially with a toroidal cavity for heat exchange, and the annular is empty
Intracavitary to be provided with several heating tubes, the both ends of the heating tube extend to from the top and bottom of the toroidal cavity described respectively
Inner cavity, wherein the output end of the compressor is connected to the toroidal cavity.
Further, the bottom end of the toroidal cavity is provided with an outlet, for by the steam in the toroidal cavity
It is discharged after being condensed into liquid.
Further, there is a pressure-reduction outlet, when pressure value reaches in the toroidal cavity on the side wall of the toroidal cavity
When preset threshold, the pressure-reduction outlet is opened and is vented.
Further, further include flow monitoring device, steam is set and is condensed on the pipeline being discharged after liquid, for supervising
Survey the discharge rate of the liquid of condensation.
Further, further includes: feed pump, the feed pump are connected to the inner cavity, described for concentrated water to be transported to
In inner cavity.
Further, the output channel of the feed pump extends partially into described interior intracavitary, the interior intracavitary output
Multiple spray heads are provided on pipeline.
It further, further include the level monitoring device being arranged on the evaporator, for monitoring concentrated water in evaporator
Liquid level, when liquid level reaches preset threshold, the feed pump stops conveying concentrated water.
It further, further include the pressure monitoring device being arranged on the evaporator, for monitoring the interior intracavitary steaming
The temperature of vapour, when vapor (steam) temperature reaches preset threshold, the preheater stops heating.
It further, further include the concentration monitoring device being arranged on the evaporator, for monitoring the concentration of concentrated water, when
When the concentration of concentrated water reaches threshold value, by treated, concentrated water is discharged the evaporator.
The beneficial effects of the present invention are: evaporator can be such that concentrated water evaporates and play the effect of decrement solution in above structure
Fruit acts on evaporator by preheater to generate steam, and compressor carries out compression to the steam flowed into from evaporator and will pressure
Steam after contracting is re-delivered to evaporator, and compressed steam can heat as heat source and need to be evaporated the dense of concentration
Water, and then the present embodiment can achieve the purpose that recycle steam, low energy consumption, and it is high-efficient, it is structurally reasonable, it occupies little space.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the overall structure diagram of the embodiment of the present invention；
Fig. 2 is the flow chart of the embodiment of the present invention；
1, evaporator, 2, compressor, 3, preheater, 4, feed pump, 10, inner cavity, 11, flow monitoring device, 12, liquid level prison
Survey device, 13, pressure monitoring device, 14, concentration monitoring device, 15, toroidal cavity, 16, central circulation channel, 17, heating tube,
18, pressure-reduction outlet, 19, outlet, 42, output channel, 43, spray head.
Specific embodiment party
It should be noted that in the absence of conflict, being characterized in the embodiment and embodiment in the application can
With what is be combined with each other, the present embodiment is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Referring to Fig.1, Fig. 2, Fig. 1, Fig. 2 are the structural schematic diagrams of a specific embodiment of the invention, as shown, a kind of dense
Water treatment system includes: evaporator 1, compressor 2, preheater 3, and the evaporator 1 has one to be used to hold for being reduced solution
The inner cavity 10 of concentrated water, the compressor 2 are connect with the evaporator 1, and the steam being discharged for Compression Evaporation device 1 simultaneously will be after compression
Steam be re-delivered to evaporator 1, compressed steam is used to heat the concentrated water in the evaporator 1, the preheater 3 with
The evaporator 1 connects, and for preheating the evaporator 1, and makes to generate the steaming for reaching preset threshold in the evaporator 1
Vapour.
Using the technical solution of the present embodiment, in above structure, evaporator 1 can be such that concentrated water evaporates and play decrement solution
Effect, by preheater 3 to evaporator 1 act on to generate steam, compressor 2 presses the steam flowed into from evaporator 1
It contracts and compressed steam is re-delivered to evaporator 1, and compressed steam can need to be evaporated as heat source heating
The concentrated water of concentration, and then the present embodiment can achieve the purpose that recycle steam, low energy consumption, and it is high-efficient, it is structurally reasonable, it occupies
Space is small.
In the present embodiment, the 1 ring inner sidewall of evaporator is circumferentially with a toroidal cavity 15 for heat exchange, the ring
Several heating tubes 17 are provided in shape cavity 15, the both ends of the heating tube 17 are respectively from the upper end of the toroidal cavity 15 under
End extends to the inner cavity 10, wherein the output end of the compressor 2 is connected to the toroidal cavity 15.Pass through above structure
It realizes compressed steam and is heated into new steam to concentrated water, and compressed steam is then acted on by concentrated water and is liquefied, and then realizes that heat is handed over
It changes, and by the way that multiple heating tubes 17 are arranged in the toroidal cavity 15, can make heating tube 17 is greater area of to be compressed
Steam heating, greatly enhances heat exchange effect.
In the present embodiment, the inner wall of the toroidal cavity 15 surrounds a central circulation channel 16 circulated for concentrated water, described
The diameter in central circulation channel 16 is greater than the diameter of the heating tube 17.Since there is the present embodiment the biggish center of a caliber to follow
Ring channel 16, so, even if after long-time use, fouling on the side wall of the toroidal cavity 15, the concentrated water in the inner cavity 10
It still may be implemented to flow.
In the present embodiment, when being passed through the toroidal cavity 15 by the compressed compressed steam of compressor 2, due to vapour pressure
It is equivalent to heating source after contracting, compressed steam is passed through after the toroidal cavity 15 outer wall that can be looped around the heating tube 17, then
Heating tube 17 is heated, since the heating surface area of unit volume concentrated water in heating tube 17 is dense greater than in central circulation channel 16
The heating surface area of water, thus in heating tube 17 concentrated water relative density it is small, to cause heating tube 17 and central circulation channel 16
Density contrast between interior concentrated water, this density contrast decline concentrated water feed liquid from central circulation channel 16, then by heating tube 17
The natural circulation risen.The circulation rate of concentrated water feed liquid depends on the length of the density contrast that concentrated water feed liquid generates and pipe,
Density contrast is bigger, and pipe is longer, and the circulation rate of concentrated water feed liquid is bigger.Concentrated water and the toroidal cavity after a certain amount of preheating
Exchanging heat in 15 by the compressed compressed steam of compressor 2, the concentrated water feed liquid after heat exchange is evaporated and dense in the evaporator 1
Contracting.1 internal liquid of evaporator of the present embodiment can self-loopa, enhance the flowing of the interior intracavitary concentrated water, and then increase greatly
The strong effect of heat exchange, and so that concentrated water is realized circulation because being not required to additional pump, equipment is more simplified, and energy consumption is lower, and occupied area is small,
It is easy to operate, high degree of automation.
In the present embodiment, the bottom end of the toroidal cavity 15 is provided with an outlet 19, is used for the toroidal cavity 15
Interior steam is discharged after being condensed into liquid.When compressed steam is condensed into liquid in toroidal cavity 15 after heat exchange, and at this time
Liquid be can direct emission distilled water.
The present embodiment further includes flow monitoring device 11, and steam is arranged in and is condensed on the pipeline being discharged after liquid, is used for
Monitor the discharge rate of the liquid of condensation.By the flow monitoring device 11 can real-time monitoring discharge liquid flow.
In the present embodiment, there is a pressure-reduction outlet 18 on the side wall of the toroidal cavity 15, it is empty to be preferably provided at the annular
The top of 15 side wall of chamber, when pressure value reaches preset threshold in the toroidal cavity 15, the pressure-reduction outlet 18 is opened and is vented,
The pressure in the toroidal cavity 15 can be prevented excessive, and then equipment is prevented to be compromised, increase service life of equipment.
The present embodiment further include: feed pump 4, the feed pump 4 are connected to the inner cavity 10, for concentrated water to be transported to institute
It states in inner cavity 10.
In the present embodiment, the output channel 42 of the feed pump 4 is extended partially into the inner cavity 10, the inner cavity 10
Multiple spray heads 43 are provided on interior output channel 42, it is preferable that the two neighboring spray head 43 sprays liquid and covers model
It encloses to exist and partly overlap.
Preferably, the width in channel of the spray head 43 in the present embodiment and the diameter of spray orifice are adjustable.This reality
Example is applied by using the spray head 43 of multiple large aperture fat pipes, and to multiple spray heads 43 according to reasonable spray angle and
Reasonable installation site is installed, and 1 evaporating state of evaporator of the present embodiment can be made continual and steady, and sprinkling liquid covering is equal
Even, sprinkling can achieve defoaming effect, without adding medicament, hc effluent of being fearless.
In the present embodiment, the evaporator 1 further includes flow monitoring device 11, and setting is in the feed pump 4 and the steaming
It sends out on the concentrated water input channel that device 1 connects, for monitoring the amount of being discharged into of concentrated water.
The present embodiment further includes the level monitoring device 12 being arranged on the evaporator 1, dense in evaporator 1 for monitoring
Aqueous position, when liquid level reaches preset threshold, the feed pump 4 stops conveying concentrated water.
Through this embodiment, it is squeezed into the inner cavity 10 of evaporator 1 by the concentrated water stoste that membranous system comes out by feed pump 4, by
Flow monitoring device 11 is read and accumulative flow of inlet water, and when liquid level reaches preset threshold, it is dense that the feed pump 4 stops conveying
Concentrated water inlet can be monitored in real time by above structure in water.
In the present embodiment, it is preferable that the output end of the preheater 3 is connected on the toroidal cavity 15.This implementation
Example further includes the pressure monitoring device 13 being arranged on the evaporator 1, for monitoring the temperature of steam in the inner cavity 10, when
When vapor (steam) temperature reaches preset threshold, the preheater 3 stops heating.
In the present embodiment, it is preferable that the preheater 3 is a steam generator, and steam generator stabilization is held when preheating
Continuous conveys steam to evaporator 1, and when vapor (steam) temperature reaches preset threshold, the steam generator stops to the steamer
Convey steam.
In the present embodiment, the evaporator 1 further includes the concentration monitoring device 14 being arranged on the evaporator 1, is used for
The concentration for monitoring concentrated water, when the concentration of concentrated water reaches threshold value, by treated, concentrated water is discharged the evaporator 1.Dope is discharged
Go plate compression drying and other treatment.The processed concentrated water final state of the embodiment of the present invention is divided into three parts, a part be to environment without
Harmful micro incoagulable gas, main component oxygen, nitrogen, carbon dioxide etc., a part is can directly qualified discharge or reuse
Clean condensed water, a part be high power concentration after dope, after filters pressing filter residue become solid fill, filtrate return system participation
It recycles next time.By above-mentioned processing, it can greatly mitigate the pollution to environment.
In the present embodiment, the compressor 2 includes vapour compression machine 2.Preferably centrifugal vapor compressor 2, it is especially excellent
It is selected as ternary fluid vane centrifugal vapour compression machine 2.
The working principle of the present embodiment:
The present invention is so that solvent in concentrated water is constantly volatilized and solute is precipitated or is reduced the mistake of stoste using the method for heating
Journey.
The present embodiment carries out function of mechanical steam recompression to steam by compressor 2, improves the pressure of steam, makees it again
The material for needing to be evaporated concentration for heat source heating, reaches the purpose for recycling steam, is not required in entire evaporation process
Want additional steam.
The present embodiment is for handling concentrated water workflow: the charging of diafiltration stoste, preheating, evaporation, condensation, dope discharge.
Charging: it is squeezed into the inner cavity 10 of evaporator 1 by the concentrated water stoste that membranous system comes out by feed pump 4, by flow monitoring
Device 11 is read and accumulative flow of inlet water, and when liquid level reaches preset threshold, the feed pump 4 stops conveying concentrated water.
Preheating: when preheating, the steam generator is steady and sustained to convey steam to evaporator 1, when vapor (steam) temperature reaches
When preset threshold, the preheater 3 stops heating.
Evaporation: when being passed through the toroidal cavity 15 by the compressed compressed steam of compressor 2, due to phase after both vapor compression
When in heating source, compressed steam is passed through after the toroidal cavity 15 outer wall that can be looped around the heating tube 17, then to heating
Pipe 17 is heated, and passes through the compressed compression of compressor 2 in the concentrated water after a certain amount of preheating and the toroidal cavity 15
Steam heat-exchanging, the concentrated water feed liquid after heat exchange are evaporated and are concentrated in the evaporator 1.
Condensation: after compressed steam and stoste in the toroidal cavity 15 carry out heat exchange, liquid distillate is become from gaseous state
Water thereafter lets out system, and distilled water water flow can be read on flow monitoring device 11.
Dope outlet: when stoste is concentrated to given threshold in evaporator 1, material is detected by on-line densimeter (DI)
Concentration discharges, and dope goes plate compression drying and other treatment.
As shown in Fig. 2, the concentrated water in the present embodiment can be generated by following process: refuse leachate is discharged into conditioning tank, first
By the Anaerobic Treatment in anaerobic pond, a portion that treated is discharged into biogas purifier handled after recycle or combustion
Burn, treated in anaerobic pond flow into membranous system after another part handled by denitrification after, into mistake nanofiltration unit with it is reverse osmosis
The embodiment of the present invention concentrated water to be dealt with is generated after the filtering of unit.It should be noted that the concentrated water generated above is
The wherein accessible one of which of the embodiment of the present invention, and concentrated water signified in the present invention refers to the macromolecular containing biochemistry in distress
The waste water of organic matter, inorganic salts salinity etc., naturally it is also possible to be other waste water, the embodiment of the present invention can be very good to locate
Reason.
It can be seen from the above description that the above embodiment of the present invention realizes following technical effect:
In above structure, evaporator 1 can be such that concentrated water evaporates and be reduced solution, by preheater 3 to evaporator 1 act on
Steam is generated, compressor 2 compress to the steam flowed into from evaporator 1 and compressed steam is re-delivered to evaporator
1, and compressed steam can heat the concentrated water for needing to be evaporated concentration as heat source, and then the present embodiment can reach circulation
Using the purpose of steam, low energy consumption, high-efficient, structurally reasonable, occupies little space.
Since the embodiment of the present invention directly handles the concentrated water generated after system through membranous system and before processes, so
The embodiment of the present invention is applied to processing refuse leachate concentrated water and a large amount of concentrated waters is avoided to participate in interior circulation, improves effluent characteristics,
Equally reduce leading portion membranous system component bring operational load with high salt.
Term ' upper ', ' under ', ' preceding ', ' after ', ' upwards ', ' downwards ' etc. in the description of the present invention, it is to be understood that
Indicating position or positional relationship are orientation or positional relationship based on the figure, it is only for facilitate description, not
It is to indicate or imply that device must have particular orientation or construct or operate with particular orientation.
Preferable implementation of the invention is illustrated above, certainly, the present invention can also use and above-mentioned implementation
The different form of mode, those skilled in the art's made equivalent transformation on the premise of without prejudice to spirit of the invention
Or corresponding change, all it should belong in protection scope of the present invention.
Claims (10)
1. a kind of concentrated water processing system characterized by comprising
Evaporator (1), for being reduced solution, with one for holding the inner cavity (10) of concentrated water；
Compressor (2) is connect with the evaporator (1), for Compression Evaporation device (1) discharge steam and by compressed steam
It is re-delivered to evaporator (1), compressed steam is used to heat the concentrated water in the evaporator (1)；
Preheater (3) is connect with the evaporator (1), for preheating to the evaporator (1), and makes the evaporator (1)
It is interior to generate the steam for reaching preset threshold.
2. a kind of concentrated water processing system according to claim 1, which is characterized in that evaporator (1) the ring inner sidewall week
To a toroidal cavity (15) for being used for heat exchange is equipped with, it is provided with several heating tubes (17) in the toroidal cavity (15), it is described
The both ends of heating tube (17) extend to the inner cavity (10) from the top and bottom of the toroidal cavity (15) respectively, wherein institute
The output end for stating compressor (2) is connected to the toroidal cavity (15).
3. a kind of concentrated water processing system according to claim 2, which is characterized in that the bottom end of the toroidal cavity (15) is set
An outlet (19) are equipped with, for being discharged after the steam in the toroidal cavity (15) is condensed into liquid.
4. a kind of concentrated water processing system according to claim 3, which is characterized in that on the side wall of the toroidal cavity (15)
With a pressure-reduction outlet (18), when the toroidal cavity (15) interior pressure value reaches preset threshold, the pressure-reduction outlet (18) is opened
And it is vented.
5. a kind of concentrated water processing system according to claim 3, which is characterized in that it further include flow monitoring device (11),
Steam is arranged in be condensed on the pipeline being discharged after liquid, the discharge rate of the liquid for monitoring condensation.
6. a kind of concentrated water processing system according to claim 1, which is characterized in that further include:
Feed pump (4), the feed pump (4) are connected to the inner cavity (10), for concentrated water to be transported in the inner cavity (10).
7. a kind of concentrated water processing system according to claim 6, which is characterized in that the output channel of the feed pump (4)
(42) it extends partially into the inner cavity (10), is provided with multiple spray heads on the output channel (42) in the inner cavity (10)
(43)。
8. a kind of concentrated water processing system according to claim 6, which is characterized in that further include being arranged in the evaporator
(1) level monitoring device (12) on, for monitoring concentrated water liquid level in the evaporator (1), when liquid level reaches preset threshold,
The feed pump (4) stops conveying concentrated water.
9. a kind of concentrated water processing system according to claim 1, which is characterized in that further include being arranged in the evaporator
(1) pressure monitoring device (13) on, for monitoring the temperature of the inner cavity (10) interior steam, when vapor (steam) temperature reaches default threshold
When value, the preheater (3) stops heating.
10. a kind of concentrated water processing system according to claim 1, which is characterized in that further include being arranged in the evaporator
(1) concentration monitoring device (14) on, for monitoring the concentration of concentrated water, when the concentration of concentrated water reaches threshold value, the evaporator
(1) by treated, concentrated water is discharged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910095707.8A CN109592729A (en) | 2019-01-31 | 2019-01-31 | A kind of concentrated water processing system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910095707.8A CN109592729A (en) | 2019-01-31 | 2019-01-31 | A kind of concentrated water processing system |
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| CN109592729A true CN109592729A (en) | 2019-04-09 |
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ID=65966990
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| CN201910095707.8A Pending CN109592729A (en) | 2019-01-31 | 2019-01-31 | A kind of concentrated water processing system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111777120A (en) * | 2020-07-13 | 2020-10-16 | 北京中新科环保有限公司 | Method and device for treating low-calorific-value waste liquid |
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| US5425849A (en) * | 1991-04-11 | 1995-06-20 | Feres; Vaclav | Film-type evaporator |
| CN105347615A (en) * | 2015-11-11 | 2016-02-24 | 江苏云水谣环境科技有限公司 | Garbage leachate treatment process |
| CN205307818U (en) * | 2015-11-23 | 2016-06-15 | 苏长青 | Evaporator |
| WO2018095978A1 (en) * | 2016-11-22 | 2018-05-31 | Cevap Technology Bv | Distillation apparatus with cartridge and use thereof for distilling water |
| CN207871570U (en) * | 2017-12-28 | 2018-09-18 | 广东沃泰环保有限公司 | A kind of device of rapidly pre-warming MVR vapo(u)rization systems |
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2019
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|---|---|---|---|---|
| US5425849A (en) * | 1991-04-11 | 1995-06-20 | Feres; Vaclav | Film-type evaporator |
| CN105347615A (en) * | 2015-11-11 | 2016-02-24 | 江苏云水谣环境科技有限公司 | Garbage leachate treatment process |
| CN205307818U (en) * | 2015-11-23 | 2016-06-15 | 苏长青 | Evaporator |
| WO2018095978A1 (en) * | 2016-11-22 | 2018-05-31 | Cevap Technology Bv | Distillation apparatus with cartridge and use thereof for distilling water |
| CN207871570U (en) * | 2017-12-28 | 2018-09-18 | 广东沃泰环保有限公司 | A kind of device of rapidly pre-warming MVR vapo(u)rization systems |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111777120A (en) * | 2020-07-13 | 2020-10-16 | 北京中新科环保有限公司 | Method and device for treating low-calorific-value waste liquid |
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Application publication date: 20190409 |
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| RJ01 | Rejection of invention patent application after publication |