CN205216256U - Falling liquid film and MVR forced circulation evaporation crystal system - Google Patents
Falling liquid film and MVR forced circulation evaporation crystal system Download PDFInfo
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- CN205216256U CN205216256U CN201520957723.0U CN201520957723U CN205216256U CN 205216256 U CN205216256 U CN 205216256U CN 201520957723 U CN201520957723 U CN 201520957723U CN 205216256 U CN205216256 U CN 205216256U
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- 238000001704 evaporation Methods 0.000 title claims abstract description 97
- 230000008020 evaporation Effects 0.000 title claims abstract description 97
- 239000013078 crystal Substances 0.000 title claims abstract description 36
- 239000007788 liquid Substances 0.000 title claims abstract description 27
- 239000011552 falling film Substances 0.000 claims abstract description 46
- 239000010408 film Substances 0.000 claims abstract description 11
- 238000010438 heat treatment Methods 0.000 claims description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 24
- 238000009834 vaporization Methods 0.000 claims description 13
- 230000008016 vaporization Effects 0.000 claims description 13
- 238000000926 separation method Methods 0.000 claims description 11
- 238000007599 discharging Methods 0.000 claims description 9
- 238000011084 recovery Methods 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 238000010992 reflux Methods 0.000 claims description 3
- 238000002425 crystallisation Methods 0.000 abstract description 17
- 230000008025 crystallization Effects 0.000 abstract description 17
- 238000000034 method Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000010812 mixed waste Substances 0.000 abstract description 4
- 238000009776 industrial production Methods 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 239000002904 solvent Substances 0.000 description 3
- 239000012452 mother liquor Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
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- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model discloses a falling liquid film and MVR forced circulation evaporation crystal system, including head tank, falling film evaporation crystal system and MVR forced circulation evaporation crystal system, the utility model discloses the equitable combination of falling film evaporation and MVR forced circulation evaporation together, gather the advantages of two kinds of evaporation crystal systems, it is applicable to composition complicacy, easy crystallization, viscosity is high, concentration is low, including the evaporation crystallization process of the mixed waste liquid of infusibility solidity thing to in can being applicable to the great extensive industrial production of handling capacity, it is rational in infrastructure, and the energy consumption is low, compact structure, and area is little, can carry out crystallization production in succession, and throughput is great.
Description
Technical field
The utility model relates to evaporation crystallization equipment technical field, is specifically related to a kind of falling liquid film and MVR forced-circulation evaporation crystal system.
Background technology
In the industrial production such as chemical industry, light industry, food, medicine, usually run into the concentrated of the mixed liquor be made up of nonvolatile solute and volatilizable solvent and solute separation problem.Crystallizing evaporator is for common device herein, during work, by input heat, material is seethed with excitement, solvent is steamed from mixed liquor, allow solvent release solute, oversaturated solute crystallization becomes solid, is just separated by solute by centrifugal process or additive method afterwards.
Owing to needing the feature of the mixed liquor of evaporative crystallization process different at different production fields, the structure and working principle for the crystallizing evaporator of each production field is also different.In the wastewater treatment industry in the fields such as printing and dyeing, fermentation, chemical industry, oil field, pending mixed waste liquor has complicated component, easily crystallization usually, viscosity is high, concentration is low, containing the feature of insoluble solidity thing, and often needs amount to be processed very large.But, also not used for evaporation crystallization equipment herein in prior art.
Summary of the invention
The purpose of this utility model is the deficiency existed to overcome prior art, a kind of falling liquid film and MVR forced-circulation evaporation crystal system are provided, this evaporation and crystallization system is applicable to complicated component, easily crystallization, viscosity is high, concentration is low, containing the evaporative crystallization process of the mixed waste liquor of insoluble solidity thing.
The utility model is achieved through the following technical solutions: a kind of falling liquid film and MVR forced-circulation evaporation crystal system, comprise head tank, falling film evaporation crystal system and MVR forced-circulation evaporation crystal system, described falling film evaporation crystal system comprises falling film evaporation heating and separator, described falling film evaporation heating comprises vaporization chamber and is arranged at the gas-liquid separation chamber below vaporization chamber, gas-liquid separation chamber is connected with described separator by pipe fitting, described head tank is connected with the charging aperture of the vaporization chamber upper end of described falling film evaporation heating by feed pump and pipeline, described MVR forced-circulation evaporation crystal system comprises forced-circulation evaporation heater, forced circulation pump and crystallizer, the upper end discharging opening of described forced-circulation evaporation heater is connected by the upper feed inlet of pipeline with described crystallizer, the refluxing opening of the bottom of described crystallizer is connected with the lower end charging aperture of described forced-circulation evaporation heater by pipeline and described forced circulation pump, the discharging opening of the gas-liquid separation chamber lower end of described falling film evaporation heating and the discharging opening of described separator lower end are connected with the pipeline that the charging aperture of described forced circulation pump is connected by pipeline and transfering material pump, the magma outlet of the bottom of described crystallizer is connected with magma pump by pipeline.
The steam (vapor) outlet of the steam (vapor) outlet of the separator upper end of described falling film evaporation crystal system, the crystallizer upper end of described MVR forced-circulation evaporation crystal system is connected with the steam inlet of the steam inlet of the shell side of described forced-circulation evaporation heater, the shell side of described falling film evaporation heating by pipeline and vapour compression machine.
Also comprise heat recovery heat-exchange system, described heat recovery heat-exchange system comprises condensate water pot and plate type heat exchanger, the condensation-water drain of the shell side of described forced-circulation evaporation heater, the condensation-water drain of the shell side of described falling film evaporation heating is connected by the inlet of pipeline with described condensate water pot upper end, the steam (vapor) outlet of described condensate water pot upper end is connected with the steam inlet of the shell side of described falling film evaporation heating, the condensation-water drain of described condensate water pot lower end is connected with the entrance of described plate type heat exchanger shell side by pipeline and condensate pump, the outlet of described plate type heat exchanger shell side is connected with condensate draining pipe, the tube side of described plate type heat exchanger is connected between the charging aperture of vaporization chamber upper end of described feed pump and described falling film evaporation heating.
Described heat recovery heat-exchange system also comprises pipe heat exchanger, the vacuum orifice of the shell side of described falling film evaporation heating is connected by the air inlet of pipeline with the shell side of described pipe heat exchanger, the exhaust outlet of the shell side of described pipe heat exchanger is connected with vavuum pump by pipeline, and the tube side of described pipe heat exchanger is connected between the charging aperture of the tube side of described feed pump and described plate type heat exchanger.
The beneficial effects of the utility model are: the utility model falling film evaporation and MVR forced-circulation evaporation reasonable combination to together with, the advantage of set two kinds of evaporation and crystallization system, it is applicable to complicated component, easily crystallization, viscosity is high, concentration is low, containing the evaporative crystallization process of the mixed waste liquor of insoluble solidity thing, and can be applicable in the larger large-scale industrial production for the treatment of capacity, it is rational in infrastructure, energy consumption is low, compact conformation, floor space is little, can carry out crystallization production continuously, disposal ability is larger.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In the drawings: 1-head tank; 2-feed pump; 3-pipe heat exchanger; 4-vavuum pump; 5-plate type heat exchanger; 6-condensate pump; 7-condensate water pot; 8-circulating pump; 9-falling film evaporation heating; 10-separator; 11-transfering material pump; 12-forced-circulation evaporation heater; 13-forced circulation pump; 14-crystallizer; 15-vapour compression machine; 16-magma pump.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in detail.
As shown in Figure 1, a kind of falling liquid film and MVR forced-circulation evaporation crystal system, comprise head tank 1, falling film evaporation crystal system and MVR forced-circulation evaporation crystal system, falling film evaporation crystal system comprises falling film evaporation heating 9 and separator 10, falling film evaporation heating 9 comprises vaporization chamber and is arranged at the gas-liquid separation chamber below vaporization chamber, gas-liquid separation chamber is connected with separator 10 by pipe fitting, head tank 1 is connected with the charging aperture of the vaporization chamber upper end of falling film evaporation heating 9 by feed pump 2 and pipeline, MVR forced-circulation evaporation crystal system comprises forced-circulation evaporation heater 12, forced circulation pump 13 and crystallizer 14, the upper end discharging opening of forced-circulation evaporation heater 12 is connected by the upper feed inlet of pipeline with crystallizer 14, the refluxing opening of the bottom of crystallizer 14 is connected with the lower end charging aperture of forced-circulation evaporation heater 12 by pipeline and forced circulation pump 13, the discharging opening of the gas-liquid separation chamber lower end of falling film evaporation heating 9 and the discharging opening of separator 10 lower end are connected with the pipeline that the charging aperture of forced circulation pump 13 is connected by pipeline and transfering material pump 11, the magma outlet of the bottom of crystallizer 14 is connected with magma pump 16 by pipeline.The gas-liquid separation chamber of falling film evaporation heating 9 is connected with the vaporization chamber of falling film evaporation heating 9 by pipeline and circulating pump 8.
During work, leading portion adopts falling film evaporation crystal system to carry out elementary decrement, is evaporated to close to saturation state, and back segment adopts the crystallization of MVR forced-circulation evaporation crystal system to generate solid.Exported by magma pump 16 afterwards, adopt centrifugation that crystallization is out centrifugal, centrifuge mother liquor returns MVR forced-circulation evaporation crystal system and continues evaporation and concentration, reaches mother liquor " zero-emission ".
See Fig. 1, the steam (vapor) outlet of the steam (vapor) outlet of separator 10 upper end of falling film evaporation crystal system, crystallizer 14 upper end of MVR forced-circulation evaporation crystal system is connected with the steam inlet of the steam inlet of the shell side of forced-circulation evaporation heater 12, the shell side of falling film evaporation heating 9 by pipeline and vapour compression machine 15.Feed liquid is evaporated the indirect steam produced and is entered vapour compression machine 15 from discharge and compress supercharging, intensification, improve the heat content of indirect steam, then exothermic condensation in the shell side entering the shell side of forced-circulation evaporation heater 12, falling film evaporation heating 9, enablely measure Appropriate application, make equipment more energy-conservation.
The utility model also comprises heat recovery heat-exchange system, heat recovery heat-exchange system comprises condensate water pot 7 and plate type heat exchanger 5, the condensation-water drain of the shell side of forced-circulation evaporation heater 12, the condensation-water drain of the shell side of falling film evaporation heating 9 is connected by the inlet of pipeline with condensate water pot 7 upper end, the steam (vapor) outlet of condensate water pot 7 upper end is connected with the steam inlet of the shell side of falling film evaporation heating 9, the condensation-water drain of condensate water pot 7 lower end is connected with the entrance of plate type heat exchanger 5 shell side by pipeline and condensate pump 6, the outlet of plate type heat exchanger 5 shell side is connected with condensate draining pipe, the tube side of plate type heat exchanger 5 is connected between the charging aperture of vaporization chamber upper end of feed pump 2 and falling film evaporation heating 9.In the course of work, the condensed water that the shell side of the shell side of forced-circulation evaporation heater 12, falling film evaporation heating 9 is released also has uniform temperature, heats feed liquid in advance with condensed water, enablely measures Appropriate application.
Heat recovery heat-exchange system also comprises pipe heat exchanger 3, the vacuum orifice of the shell side of falling film evaporation heating 9 is connected by the air inlet of pipeline with the shell side of pipe heat exchanger 3, the exhaust outlet of the shell side of pipe heat exchanger 3 is connected with vavuum pump 4 by pipeline, and the tube side of pipe heat exchanger 3 is connected between the charging aperture of the tube side of feed pump 2 and plate type heat exchanger 5.The air that the shell side of falling film evaporation heating 9 is extracted out has uniform temperature, and the air be drawn out of, by pipe heat exchanger 3 and feed liquid heat exchange, heats feed liquid, more energy-conserving and environment-protective in advance.
Finally should be noted that; above content is only in order to illustrate the technical solution of the utility model; but not the restriction to the utility model protection domain; the simple modification that those of ordinary skill in the art carries out the technical solution of the utility model or equivalently to replace, does not all depart from essence and the scope of technical solutions of the utility model.
Claims (4)
1. a falling liquid film and MVR forced-circulation evaporation crystal system, it is characterized in that: described falling liquid film and MVR forced-circulation evaporation crystal system comprise head tank, falling film evaporation crystal system and MVR forced-circulation evaporation crystal system, described falling film evaporation crystal system comprises falling film evaporation heating and separator, described falling film evaporation heating comprises vaporization chamber and is arranged at the gas-liquid separation chamber below vaporization chamber, gas-liquid separation chamber is connected with described separator by pipe fitting, described head tank is connected with the charging aperture of the vaporization chamber upper end of described falling film evaporation heating by feed pump and pipeline, described MVR forced-circulation evaporation crystal system comprises forced-circulation evaporation heater, forced circulation pump and crystallizer, the upper end discharging opening of described forced-circulation evaporation heater is connected by the upper feed inlet of pipeline with described crystallizer, the refluxing opening of the bottom of described crystallizer is connected with the lower end charging aperture of described forced-circulation evaporation heater by pipeline and described forced circulation pump, the discharging opening of the gas-liquid separation chamber lower end of described falling film evaporation heating and the discharging opening of described separator lower end are connected with the pipeline that the charging aperture of described forced circulation pump is connected by pipeline and transfering material pump, the magma outlet of the bottom of described crystallizer is connected with magma pump by pipeline.
2. falling liquid film according to claim 1 and MVR forced-circulation evaporation crystal system, is characterized in that: the steam (vapor) outlet of the steam (vapor) outlet of the separator upper end of described falling film evaporation crystal system, the crystallizer upper end of described MVR forced-circulation evaporation crystal system is connected with the steam inlet of the steam inlet of the shell side of described forced-circulation evaporation heater, the shell side of described falling film evaporation heating by pipeline and vapour compression machine.
3. falling liquid film according to claim 2 and MVR forced-circulation evaporation crystal system, it is characterized in that: also comprise heat recovery heat-exchange system, described heat recovery heat-exchange system comprises condensate water pot and plate type heat exchanger, the condensation-water drain of the shell side of described forced-circulation evaporation heater, the condensation-water drain of the shell side of described falling film evaporation heating is connected by the inlet of pipeline with described condensate water pot upper end, the steam (vapor) outlet of described condensate water pot upper end is connected with the steam inlet of the shell side of described falling film evaporation heating, the condensation-water drain of described condensate water pot lower end is connected with the entrance of described plate type heat exchanger shell side by pipeline and condensate pump, the outlet of described plate type heat exchanger shell side is connected with condensate draining pipe, the tube side of described plate type heat exchanger is connected between the charging aperture of vaporization chamber upper end of described feed pump and described falling film evaporation heating.
4. falling liquid film according to claim 3 and MVR forced-circulation evaporation crystal system, it is characterized in that: described heat recovery heat-exchange system also comprises pipe heat exchanger, the vacuum orifice of the shell side of described falling film evaporation heating is connected by the air inlet of pipeline with the shell side of described pipe heat exchanger, the exhaust outlet of the shell side of described pipe heat exchanger is connected with vavuum pump by pipeline, and the tube side of described pipe heat exchanger is connected between the charging aperture of the tube side of described feed pump and described plate type heat exchanger.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520957723.0U CN205216256U (en) | 2015-11-26 | 2015-11-26 | Falling liquid film and MVR forced circulation evaporation crystal system |
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| CN201520957723.0U CN205216256U (en) | 2015-11-26 | 2015-11-26 | Falling liquid film and MVR forced circulation evaporation crystal system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105251233A (en) * | 2015-11-26 | 2016-01-20 | 上海中腾环保科技有限公司 | Falling film and MVR forced circulating evaporative crystallization system |
| CN105879426A (en) * | 2016-05-31 | 2016-08-24 | 浙江泰康蒸发器有限公司 | MVR continuous evaporative crystallization system |
| CN107308667A (en) * | 2017-07-28 | 2017-11-03 | 佛山德众制药机械有限公司 | A kind of isothermal economic benefits and social benefits concentration unit and its method for concentration |
| CN111268846A (en) * | 2020-03-30 | 2020-06-12 | 浙江红狮环保股份有限公司 | Method for purifying waste incineration fly ash process salt-containing wastewater |
-
2015
- 2015-11-26 CN CN201520957723.0U patent/CN205216256U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105251233A (en) * | 2015-11-26 | 2016-01-20 | 上海中腾环保科技有限公司 | Falling film and MVR forced circulating evaporative crystallization system |
| CN105879426A (en) * | 2016-05-31 | 2016-08-24 | 浙江泰康蒸发器有限公司 | MVR continuous evaporative crystallization system |
| CN107308667A (en) * | 2017-07-28 | 2017-11-03 | 佛山德众制药机械有限公司 | A kind of isothermal economic benefits and social benefits concentration unit and its method for concentration |
| CN107308667B (en) * | 2017-07-28 | 2022-08-05 | 佛山德众制药机械有限公司 | Isothermal double-effect concentration unit and concentration method thereof |
| CN111268846A (en) * | 2020-03-30 | 2020-06-12 | 浙江红狮环保股份有限公司 | Method for purifying waste incineration fly ash process salt-containing wastewater |
| CN111268846B (en) * | 2020-03-30 | 2022-02-15 | 浙江红狮环保股份有限公司 | Method for purifying waste incineration fly ash process salt-containing wastewater |
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| C14 | Grant of patent or utility model | ||
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Address after: No. 1-3, Lane 369, Changshi Road, Sijing Town, Songjiang District, Shanghai, 201600 Patentee after: Shanghai Zhongteng Equipment Technology Co.,Ltd. Country or region after: China Address before: 151 Wangdong Middle Road, Sijing Town, Songjiang District, Shanghai, 20101 Patentee before: SHANGHAI ZHONGTENG ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Country or region before: China |