CN203319812U - Novel zero-discharge wastewater treatment system of high-salt liquid - Google Patents
Novel zero-discharge wastewater treatment system of high-salt liquid Download PDFInfo
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- CN203319812U CN203319812U CN201320317069.8U CN201320317069U CN203319812U CN 203319812 U CN203319812 U CN 203319812U CN 201320317069 U CN201320317069 U CN 201320317069U CN 203319812 U CN203319812 U CN 203319812U
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- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 21
- 238000001704 evaporation Methods 0.000 claims abstract description 127
- 230000008020 evaporation Effects 0.000 claims abstract description 125
- 239000011552 falling film Substances 0.000 claims abstract description 105
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims abstract description 63
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Abstract
The utility model discloses a novel zero-discharge wastewater treatment system of high-salt liquid. The novel zero-discharge wastewater treatment system mainly comprises a pretreatment system, a film treatment system and a thermal evaporation and crystallization system. The novel zero-discharge wastewater treatment system is characterized by consisting of a falling film evaporation device (1), a crystallization device (2), a solid-liquid separation device (3) and a mixing tank (4); brine waste and strong brine from the falling film evaporation device (1) are fully and evenly mixed in the mixing tank (4) and then enter the falling film evaporation device (1) to be evaporated and concentrated; a part of generated strong brine flows back to the mixing tank (4) and flows to the falling film evaporation device (1) after being mixed with the brine waste; the other parts of generated strong brine enter the crystallization device (2) to be concentrated; or after the strong brine passes through the solid-liquid separation device (3), heavy components directly flow back to the falling film evaporation device (1); a part of light components flow back to the mixing tank (4) and then flow back to the falling film evaporation device (1) after being mixed with the brine waste; and the other parts of the light components enter the crystallization device (2) to be concentrated. The novel zero-discharge wastewater treatment system has the advantages of high evaporation efficiency, low energy consumption, low construction cost, low operation expense and the like.
Description
Technical field
The utility model relates to a kind of Waste Water Treatment, especially a kind of zero discharge waste-water treatment system of absence of liquid discharge, specifically a kind of novel high salt-containing liquid zero discharge waste-water treatment system.
Background technology
As everyone knows, liquid zero emission (ZLD, Zero Liquid Discharge), refer to by specific Technology liquid sewage is concentrated, generation can be for the reuse water of recycle, the quantity discharged of waste water is reduced to minimum as far as possible, the salinity in waste water and impurity are concentrated into and approach solid.Physics, chemistry, biochemistry and membrane sepn have been applied in the liquid zero emission technological synthesis, and the processes such as evaporative crystallization and/or drying, realize recovery and the utilization of water.
The liquid zero emission technology is the recycle-water resource to greatest extent, realizes minimum environmental pollution.Yet, on the one hand, in evaporation, crystallization and the drying etc. of liquid zero emission system need to produce the process of phase transformation Separation of Water, need a large amount of energy resource supplies; On the other hand, the corrodibility of hc effluent is very strong, causes the material grade of equipment very high.Above reason caused the working cost of process and facility investment all higher, limited the large-scale application of liquid zero emission technology.
Falling film evaporation is a kind of efficient evaporation technique, has high heat transfer coefficient, heat flow density and the low advantages such as heat transfer temperature difference.Falling-film evaporator has been widely used in the processes such as the concentrated and byproduct recovery of sea water desaltination, liquid waste disposal, product.Current falling-film evaporator mainly can be divided into vertical pipe falling-film evaporator, Falling Film Evaporator of Horizontal Tube and plate-type down-film evaporator.In the vertical pipe falling-film evaporator, generally adopt material to walk in pipe, steam is at the pipe external heat; In Falling Film Evaporator of Horizontal Tube, generally adopt material to walk outside pipe, steam is heating in pipe.
In existing ripe liquid zero emission technique, for the corrosion that prevents hc effluent and the scale problems of generating tube, adopted pump circulation vertical pipe falling film evaporation technology, but this technology is that operation energy consumption or the cost of vaporizer are all relatively high.Therefore, the liquid zero emission technology of a kind of low operation energy consumption and low apparatus cost is the developing direction of liquid zero emission.
Summary of the invention
The purpose of this utility model is the higher problem of cost of operation energy consumption and vaporizer that causes in existing liquid zero emission technique, for the scale problems of the corrosion that prevents hc effluent and generating tube, adopting pump circulation vertical pipe falling film evaporation technology, designs a kind of novel high salt-containing liquid zero discharge waste-water treatment system that can effectively reduce operation energy consumption and apparatus cost.
The technical solution of the utility model is:
A kind of novel high salt-containing liquid zero discharge waste-water treatment system, it is mainly by pretreatment system, film processing system and thermal evaporation crystal system form, waste water passes through pretreatment system successively, film processing system, the thermal evaporation crystal system, generate product water and solid matter, it is characterized in that described thermal evaporation crystal system is by falling film evaporation device 1, crystallization apparatus 2, equipment for separating liquid from solid 3 and tempering tank 4 form, falling film evaporation device 1 is connected with steam inlet duct and phlegma comb and secondary steam fairlead, after brine waste enters falling film evaporation device 1 evaporation concentration after fully mixing in tempering tank 4 with the strong brine that comes from falling film evaporation device 1 again, the strong brine part generated be back to tempering tank 4 and with flow to falling film evaporation device 1 after brine waste mixes, rest part enters crystallization apparatus 2 and continues concentrated, described strong brine or after equipment for separating liquid from solid 3, heavy constituent directly is back in falling film evaporation device 1, a part in light constituent be back to tempering tank 4 and be back to again falling film evaporation device 1 after brine waste mixes, the rest part in light constituent enters crystallization apparatus 2 and continues concentrated.Described heavy constituent and light constituent are two fluid streams that obtain after separating for the brine waste that enters equipment for separating liquid from solid 3.After vapo(u)rization system, can there be some suspended particles (in evaporating concentration process, generation or technique need the people for adding crystal seed) due to brine waste, for suspended particle is separated, have adopted equipment for separating liquid from solid 3.Enter the waste water that contains suspended particle of equipment for separating liquid from solid 3 through cyclonic separation, formed so-called " heavy constituent " with " light constituent ", in fact light constituent be exactly after equipment for separating liquid from solid 3, obtain containing the very little waste water of suspended particle mass ratio, heavy constituent is exactly the waste water of the similar outstanding slurry state that contains a large amount of suspended particles that obtains after equipment for separating liquid from solid 3.
Described falling film evaporation device 1 is comprised of one or more, while forming by many, adopt each other the mode of parallel connection, serial or parallel connection and compounding in series to be connected, feeding manner is following current, adverse current, advection or their arbitrary combination, adopts single-action or multiple-effect evaporation flow process; The type of heating of falling film evaporation device 1 is that external steam is supplied with, mechanical vapour compresses, thermodynamic steam compresses or their combination.
Described falling film evaporation device 1 is falling-film evaporator, it is mainly by housing 5 be arranged on the liquid spraying assembly 6 in housing 5, falling film evaporation assembly 7, liquid collection trough 8, fouling sacrificial plate 9 and gas-liquid separation assembly 10 form, gas-liquid separation assembly 10 is positioned at the top of liquid spraying assembly 6, and falling film evaporation assembly 7 is positioned at the bottom of liquid spraying assembly 6, and fouling sacrificial plate 9 and liquid collection trough 8 all are positioned at the bottom of falling film evaporation assembly 7.
Rectangular or the drum-shaped structure of described housing 5, material is metal, nonmetal or metal and nonmetallic composite.
The flow of described liquid spraying assembly 6 is regulated by flow and two kinds of methods of increase component count of strengthening single component, and material is metal, nonmetal and metal and nonmetal composite.
Described falling film evaporation assembly 7 is comprised of generating tube or the evaporation plate of one group or several groups of levels or inclination, adopt the mode of parallel connection, serial or parallel connection and compounding in series to be connected, adopt single-action or multiple-effect evaporation flow process, the material of described generating tube or evaporation plate is metal, nonmetal and metal and nonmetal composite.
Described liquid collection trough 8 is connected with housing 5 bottoms or is placed in the bottom of housing 5, and the bottom of liquid collection trough 8 is connected to the outside of evaporator shell 5 by pipeline.
Described fouling sacrificial plate 9 adopts electrically heated or steam heating, and the temperature on fouling sacrificial plate 9 surfaces is not less than the temperature of falling film evaporation tube-surface, position between liquid spraying assembly 6 and liquid collection trough 8, the centre that is positioned at the top, following of falling film evaporation pipe assembly 7 or interts in evaporation tube unit 7.
Described vapor-liquid separation assembly 10 adopts cyclone separation formula, baffle plate separating type oil, silk screen foam removal formula or its combination, and material is metal, nonmetal and metal and nonmetal composite.
The beneficial effects of the utility model:
The utility model can be selected by different technical process combinations and material, effectively reduces operation energy consumption and equipment manufacturing cost.Simultaneously, can effectively prevent corrosion and fouling in operational process.
The accompanying drawing explanation
Fig. 1 is that evaporation and crystallization system of the present utility model forms schematic diagram.
Fig. 2 is the structural representation of falling film evaporation device of the present utility model.
Fig. 3 is the evaporation and crystallization system schematic diagram of the utility model embodiment 1.
Fig. 4 is the falling film evaporation device structural representation of the utility model embodiment 1.
Fig. 5 is the evaporation and crystallization system structural representation of the utility model embodiment 2.
Fig. 6 is the falling film evaporation device structural representation of the utility model embodiment 2.
Fig. 7 is the evaporation and crystallization system structural representation of the utility model embodiment 3.
Fig. 8 is the falling film evaporation device structural representation of the utility model embodiment 4.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described.
As shown in Figure 1-2.
A kind of novel high salt-containing liquid zero discharge waste-water treatment system, it is mainly by pretreatment system, film processing system and thermal evaporation crystal system form, waste water passes through pretreatment system successively, film processing system, the thermal evaporation crystal system, generate product water and solid matter, described thermal evaporation crystal system is by falling film evaporation device 1, crystallization apparatus 2, equipment for separating liquid from solid 3 and tempering tank 4 form, falling film evaporation device 1 is connected with steam inlet duct and phlegma comb and secondary steam fairlead, after brine waste enters falling film evaporation device 1 evaporation concentration after fully mixing in tempering tank 4 with the strong brine that comes from falling film evaporation device 1 again, the strong brine part generated be back to tempering tank 4 and with flow to falling film evaporation device 1 after brine waste mixes, rest part enters crystallization apparatus 2 and continues concentrated, described strong brine or after equipment for separating liquid from solid 3, heavy constituent directly is back in falling film evaporation device 1, a part in light constituent be back to tempering tank 4 and be back to again falling film evaporation device 1 after brine waste mixes, the rest part in light constituent enters crystallization apparatus 2 and continues concentrated.Described heavy constituent and light constituent are two fluid streams that obtain after separating for the brine waste that enters equipment for separating liquid from solid 3.After vapo(u)rization system, can there be some suspended particles (in evaporating concentration process, generation or technique need the people for adding crystal seed) due to brine waste, for suspended particle is separated, have adopted equipment for separating liquid from solid 3.Enter the waste water that contains suspended particle of equipment for separating liquid from solid 3 through cyclonic separation, formed so-called " heavy constituent " with " light constituent ", in fact light constituent be exactly after equipment for separating liquid from solid 3, obtain containing the very little waste water of suspended particle mass ratio, heavy constituent is exactly the waste water of the similar outstanding slurry state that contains a large amount of suspended particles that obtains after equipment for separating liquid from solid 3.During concrete enforcement:
Described falling film evaporation device 1 can be comprised of one or more, while forming by many, adopt each other the mode of parallel connection, serial or parallel connection and compounding in series to be connected, feeding manner is following current, adverse current, advection or their arbitrary combination, adopts single-action or multiple-effect evaporation flow process; The type of heating of falling film evaporation device 1 is that external steam is supplied with, mechanical vapour compresses, thermodynamic steam compresses or their combination.
Described falling film evaporation device 1 can be falling-film evaporator, it is mainly by housing 5 be arranged on the liquid spraying assembly 6 in housing 5, falling film evaporation assembly 7, liquid collection trough 8, fouling sacrificial plate 9 and gas-liquid separation assembly 10 form, gas-liquid separation assembly 10 is positioned at the top of liquid spraying assembly 6, and falling film evaporation assembly 7 is positioned at the bottom of liquid spraying assembly 6, and fouling sacrificial plate 9 and liquid collection trough 8 all are positioned at the bottom of falling film evaporation assembly 7.
Described housing 5 can be rectangle or drum-shaped structure, and material is metal, nonmetal or metal and nonmetallic composite.
The flow of described liquid spraying assembly 6 can be regulated by flow and two kinds of methods of increase component count of strengthening single component, and material is metal, nonmetal and metal and nonmetal composite.
Described falling film evaporation assembly 7 can be comprised of generating tube or the evaporation plate of a group or several groups of levels or inclination, adopt the mode of parallel connection, serial or parallel connection and compounding in series to be connected, adopt single-action or multiple-effect evaporation flow process, the material of described generating tube or evaporation plate is metal, nonmetal and metal and nonmetal composite.
Described liquid collection trough 8 is connected with housing 5 bottoms or is placed in the bottom of housing 5, and the bottom of liquid collection trough 8 is connected to the outside of evaporator shell 5 by pipeline.
Described fouling sacrificial plate 9 can adopt electrically heated or steam heating, and the temperature on fouling sacrificial plate 9 surfaces is not less than the temperature of falling film evaporation tube-surface, position between liquid spraying assembly 6 and liquid collection trough 8, the centre that is positioned at the top, following of falling film evaporation pipe assembly 7 or interts in evaporation tube unit 7.
Described vapor-liquid separation assembly 10 can adopt cyclone separation formula, baffle plate separating type oil, silk screen foam removal formula or its combination, and material is metal, nonmetal and metal and nonmetal composite.
Working process of the present utility model is:
As shown in Figure 1, through pretreatment system, brine waste after film processing system is processed enters tempering tank 4, and fully mix with the strong brine that comes from falling film evaporation device 1, then enter falling film evaporation device 1, falling film evaporation device 1 can adopt crystal seed method also can adopt non-crystal seed method operation, falling film evaporation device 1 adopts external steam heat supply or mechanical vapour compression or thermodynamic steam compression process to carry out evaporation concentration to brine waste and produces secondary steam and strong brine, strong brine determines it is that a direct part is sent to crystallization apparatus 2 another part and delivers to tempering tank 4 according to suspended particle content, still first after equipment for separating liquid from solid 3 carries out solid-liquid separation again a part be sent to crystallization apparatus 2 another part and deliver to tempering tank 4.In falling film evaporation device 1, brine waste is evenly distributed to falling film evaporation assembly 7 through liquid spraying assembly 6, brine waste is subject to thermal evaporation on the surface of falling film evaporation assembly 7, the secondary steam generated carries out discharging after vapor-liquid separation through vapor-liquid separation assembly 10 from the top of falling film evaporation device 1, strong brine after concentrated is after fouling sacrificial plate 9, in influent receiving tank 8, as shown in Figure 2.
Example 1.
Certain factory needs the liquid zero emission system to carry out zero discharge treatment to the high slat-containing wastewater of factory, this waste water is through pretreatment system, after film processing system is processed, as shown in Figure 3, brine waste enters tempering tank 14, and fully mix with the strong brine that comes from falling film evaporation device 11, then enter falling film evaporation device 11, falling film evaporation device 11 adopts the crystal seed method operation, falling film evaporation device 11 adopts the external steam heat supply to carry out evaporation concentration to brine waste and produces secondary steam and strong brine, strong brine first after equipment for separating liquid from solid 13 carries out solid-liquid separation again a part be sent to crystallization apparatus 12 another part and deliver to tempering tank 14.In falling film evaporation device 11, as shown in Figure 4, housing 15 is the horizontal circular stavings that adopt carbon steel liner FRP material, brine waste is evenly distributed to horizontal tube falling film evaporation assembly 17 through metal liquid spray assembly 16, brine waste is subject to thermal evaporation on the surface of horizontal tube falling film evaporation assembly 17, the secondary steam generated carries out discharging after vapor-liquid separation through silk screen foam removal formula separation assembly 20 from the top of falling film evaporation device 11, strong brine after concentrated is after steam-heated fouling sacrificial plate 18, the liquid collection trough 19 that inflow is arranged in housing bottom and is connected with housing.
Example 2.The liquid zero emission system is carried out zero discharge treatment to the high slat-containing wastewater of factory, this waste water is through pretreatment system, after film processing system is processed, as shown in Figure 5, brine waste enters tempering tank 24, and fully mix with the strong brine that comes from falling film evaporation device 21, then enter falling film evaporation device 21, falling film evaporation device 21 adopts non-crystal seed method operation, falling film evaporation device 21 adopts the mechanical vapour compression process to carry out evaporation concentration to brine waste, 23 pairs of secondary steams of mechanical vapour compressor supply thermogenesis secondary steam and strong brine to falling film evaporation device 21 after compressing and heating up, the strong brine part generated is sent to crystallization apparatus 22 another part and delivers to tempering tank 24.In falling film evaporation device 21, as shown in Figure 6, housing 25 is the rectangular housing that adopt the high-class stainless steel material, brine waste is after tetrafluoroethylene liquid spray assembly 26 is evenly distributed to the electrically heated fouling sacrificial plate 28 of employing, redistribute to inclined plate type falling film evaporation assembly 27, brine waste is subject to thermal evaporation on the surface of inclined plate type falling film evaporation assembly 27, the secondary steam generated carries out discharging after vapor-liquid separation through whirlpool separate type separation assembly 30 from the top of falling film evaporation device 21, strong brine after concentrated flows into the liquid collection trough 29 that is arranged in the housing bottom.
Example 3.
Certain factory needs the liquid zero emission system to carry out zero discharge treatment to the high slat-containing wastewater of factory, this waste water is through pretreatment system, after film processing system is processed, as shown in Figure 7, brine waste enters tempering tank 34, and fully mix with the strong brine that comes from falling film evaporation device 31, then enter falling film evaporation device 31, falling film evaporation device 31 adopts non-crystal seed method operation, falling film evaporation device 31 adopts two effect evaporation technologies of thermodynamic steam compression to carry out evaporation concentration to brine waste, 33 pairs of secondary steams of steam injector supply thermogenesis secondary steam and strong brine to falling film evaporation device 21 after compressing and heating up, the strong brine part generated is sent to crystallization apparatus 32 another part and delivers to tempering tank 34.In falling film evaporation device 31, as shown in Figure 8, housing 35 is the horizontal cylinder shape housings that adopt carbon steel liner non-metallic coating, consists of counter-current operation two-effect evaporation.In the first effect, strong brine from the second effect is evenly distributed to horizontal tube falling film evaporation assembly 37 through stainless steel liquid spray assembly 36, strong brine is subject to thermal evaporation on the surface of plate type falling-film evaporative component 18, the secondary steam generated enters the second effect as heating steam through baffle plate separating type oil separation assembly 40, and the strong brine after again concentrating flows into the liquid collection trough 38 that is arranged in the housing bottom after steam-heated fouling sacrificial plate 39.In the second effect, brine waste is evenly distributed to horizontal tube falling film evaporation assembly 37 through stainless steel liquid spray assembly 36, surface at plate type falling-film evaporative component 18 is subject to thermal evaporation, the secondary steam generated enters steam injector through baffle plate separating type oil separation assembly 40, and strong brine is admitted to the liquid spraying assembly of the first effect.
The utility model does not relate to partly all prior aries that maybe can adopt same as the prior art to be realized.
Claims (9)
1. a novel high salt-containing liquid zero discharge waste-water treatment system, it is mainly by pretreatment system, film processing system and thermal evaporation crystal system form, waste water passes through pretreatment system successively, film processing system, the thermal evaporation crystal system, generate product water and solid matter, it is characterized in that described thermal evaporation crystal system is by falling film evaporation device (1), crystallization apparatus (2), equipment for separating liquid from solid (3) and tempering tank (4) form, falling film evaporation device (1) is connected with steam inlet duct and phlegma comb and secondary steam fairlead, after brine waste enters falling film evaporation device (1) evaporation concentration after fully mixing in tempering tank (4) with the strong brine that comes from falling film evaporation device (1) again, the strong brine part generated be back to tempering tank (4) and with flow to falling film evaporation device (1) after brine waste mixes, rest part enters crystallization apparatus (2) and continues concentrated, described strong brine or after equipment for separating liquid from solid (3), heavy constituent directly is back in falling film evaporation device (1), a part in light constituent be back to tempering tank (4) and be back to again falling film evaporation device (1) after brine waste mixes, the rest part in light constituent enters crystallization apparatus (2) and continues concentrated.
2. novel high salt-containing liquid zero discharge waste-water treatment system according to claim 1, it is characterized in that described falling film evaporation device (1) is comprised of one or more, while forming by many, adopt each other the mode of parallel connection, serial or parallel connection and compounding in series to be connected, feeding manner is following current, adverse current, advection or their arbitrary combination, adopts single-action or multiple-effect evaporation flow process; The type of heating of falling film evaporation device (1) is that external steam is supplied with, mechanical vapour compresses, thermodynamic steam compresses or their combination.
3. according to the described novel high salt-containing liquid zero discharge waste-water treatment system of claim 1 or 2, it is characterized in that described falling film evaporation device (1) is falling-film evaporator, it is mainly by housing (5) be arranged on the liquid spraying assembly (6) in housing (5), falling film evaporation assembly (7), liquid collection trough (8), fouling sacrificial plate (9) and gas-liquid separation assembly (10) form, gas-liquid separation assembly (10) is positioned at the top of liquid spraying assembly (6), falling film evaporation assembly (7) is positioned at the bottom of liquid spraying assembly (6), fouling sacrificial plate (9) and liquid collection trough (8) all are positioned at the bottom of falling film evaporation assembly (7).
4. novel high salt-containing liquid zero discharge waste-water treatment system according to claim 3, the rectangular or drum-shaped structure of the described housing of its feature (5), material is metal, nonmetal or metal and nonmetallic composite.
5. novel high salt-containing liquid zero discharge waste-water treatment system according to claim 3, the flow of the described liquid spraying assembly of its feature (6) is regulated by flow and two kinds of methods of increase component count of strengthening single component, and material is metal, nonmetal and metal and nonmetal composite.
6. novel high salt-containing liquid zero discharge waste-water treatment system according to claim 3, the described falling film evaporation assembly of its feature (7) is comprised of generating tube or the evaporation plate of one group or several groups of levels or inclination, adopt the mode of parallel connection, serial or parallel connection and compounding in series to be connected, adopt single-action or multiple-effect evaporation flow process, the material of described generating tube or evaporation plate is metal, nonmetal and metal and nonmetal composite.
7. novel high salt-containing liquid zero discharge waste-water treatment system according to claim 3, the described liquid collection trough of its feature (8) is connected with housing (5) bottom or is placed in the bottom of housing (5), the bottom of liquid collection trough (8) is connected to the outside of evaporator shell (5) by pipeline, or receiving tank (8) is arranged at the outer bottom of housing (5), with pipeline, be connected in evaporator shell (5).
8. novel high salt-containing liquid zero discharge waste-water treatment system according to claim 3, the described fouling sacrificial plate of its feature (9) adopts electrically heated or steam heating, and the temperature on fouling sacrificial plate (9) surface is not less than the temperature of falling film evaporation tube-surface, position between liquid spraying assembly (6) and liquid collection trough (8), the centre that is positioned at the top, following of falling film evaporation pipe assembly (7) or interts in evaporation tube unit (7).
9. novel high salt-containing liquid zero discharge waste-water treatment system according to claim 3, the described gas-liquid separation assembly of its feature (10) adopts cyclone separation formula, baffle plate separating type oil, silk screen foam removal formula or its combination, material is metal, nonmetal and metal and nonmetal composite.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103253820A (en) * | 2013-06-03 | 2013-08-21 | 江苏中圣高科技产业有限公司 | Efficient liquid zero-discharge wastewater treatment method and system |
| CN104986910A (en) * | 2015-07-23 | 2015-10-21 | 江苏德邦工程有限公司 | Mechanical steam recompression falling film evaporation process method and system |
| CN110217934A (en) * | 2019-07-22 | 2019-09-10 | 四川省川南酿造有限公司 | A kind of preparation method of pickled vegetable brine MVR evaporative crystallization |
| CN110589917A (en) * | 2019-09-30 | 2019-12-20 | 广东闻扬环境科技有限公司 | Forced circulation separator |
-
2013
- 2013-06-03 CN CN201320317069.8U patent/CN203319812U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103253820A (en) * | 2013-06-03 | 2013-08-21 | 江苏中圣高科技产业有限公司 | Efficient liquid zero-discharge wastewater treatment method and system |
| CN103253820B (en) * | 2013-06-03 | 2014-07-02 | 江苏中圣高科技产业有限公司 | Efficient liquid zero-discharge wastewater treatment method and system |
| CN104986910A (en) * | 2015-07-23 | 2015-10-21 | 江苏德邦工程有限公司 | Mechanical steam recompression falling film evaporation process method and system |
| CN104986910B (en) * | 2015-07-23 | 2017-05-10 | 江苏德邦工程有限公司 | Mechanical steam recompression falling film evaporation process method and system |
| CN110217934A (en) * | 2019-07-22 | 2019-09-10 | 四川省川南酿造有限公司 | A kind of preparation method of pickled vegetable brine MVR evaporative crystallization |
| CN110589917A (en) * | 2019-09-30 | 2019-12-20 | 广东闻扬环境科技有限公司 | Forced circulation separator |
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