CN213803345U - High-salt high-organic-matter wastewater low-temperature evaporation system - Google Patents
High-salt high-organic-matter wastewater low-temperature evaporation system Download PDFInfo
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- CN213803345U CN213803345U CN202022721823.7U CN202022721823U CN213803345U CN 213803345 U CN213803345 U CN 213803345U CN 202022721823 U CN202022721823 U CN 202022721823U CN 213803345 U CN213803345 U CN 213803345U
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Abstract
The utility model discloses a high salt, high organic matter waste water low temperature evaporation system, it includes equalizing basin, settling basin, catch basin, high salt waste water low temperature evaporimeter, crystallization kettle and air heater, and it still includes the pre-heater, the pre-heater sets up the catch basin with between the high salt waste water low temperature evaporimeter, the export of catch basin with the refrigerant inlet pipeline intercommunication of pre-heater, the refrigerant export with the water inlet intercommunication of high salt waste water low temperature evaporimeter. The advantages are that: the pre-heater is arranged between the water collecting tank and the high-salinity wastewater low-temperature evaporator, so that wastewater entering the high-salinity wastewater low-temperature evaporator is preheated, the temperature of the wastewater can be increased, the heating and concentration speed of the wastewater in the high-salinity wastewater low-temperature evaporator is increased, the concentration time is shortened, the wastewater treatment efficiency is improved, and the requirements are met; meanwhile, the cold energy after the heat exchange of the preheater is sent into the refrigerating machine, the cold energy can be recycled, the temperature of the inlet of the refrigerating machine is reduced, and the energy utilization rate is improved.
Description
The technical field is as follows:
the utility model relates to a waste water treatment technical field, specifically speaking relate to a high salt, high organic matter waste water low temperature vaporization system.
Background art:
chinese patent CN201811075633.3 discloses a high-salinity wastewater air energy low-temperature evaporation device and an air energy low-temperature evaporation method, which mainly comprise pretreatment, pH value adjustment, precipitation treatment, a water collecting tank, a high-salinity wastewater low-temperature evaporator, a crystallization tank, an air blower, an air heater and a hot water device. Wherein, the waste water in the pond that catchments receives the unstable influence of ambient temperature, and waste water temperature is unstable, especially in winter, and the waste water temperature in the pond that catchments is lower, and the programming rate is slow after getting into high salt waste water low temperature evaporator, and the concentration time is long, causes entire system waste water treatment inefficiency, can't satisfy the demand.
The utility model has the following contents:
an object of the utility model is to provide an improve treatment effeciency's high salt, high organic matter waste water low temperature vaporization system
The utility model discloses by following technical scheme implement: a high-salt and high-organic waste water low-temperature evaporation system comprises an adjusting tank, a sedimentation tank, a water collecting tank, a high-salt waste water low-temperature evaporator, a crystallization kettle and an air heater, wherein a water outlet of the adjusting tank is communicated with an inlet pipeline of the sedimentation tank, an outlet of the sedimentation tank is communicated with an inlet pipeline of the water collecting tank, an outlet of the water collecting tank is communicated with a water inlet pipeline of the high-salt waste water low-temperature evaporator, a concentrated solution outlet of the high-salt waste water low-temperature evaporator is communicated with an inlet pipeline of the crystallization kettle, a water outlet of the crystallization kettle is communicated with an inlet pipeline of the water collecting tank, a discharge pipe is communicated above the side part of the water collecting tank, and an outlet of the air heater is communicated with an air inlet pipeline of the high-salt waste water low-temperature evaporator; the system also comprises a preheater, wherein the preheater is arranged between the water collecting tank and the high-salinity wastewater low-temperature evaporator, an outlet of the water collecting tank is communicated with a refrigerant inlet pipeline of the preheater, and a refrigerant outlet of the preheater is communicated with a water inlet of the high-salinity wastewater low-temperature evaporator;
the system further comprises a circulating pump, a first heat exchanger, a compressor, a second heat exchanger, a heat source pump, a hot water well and a cold water pipe, wherein a heat medium outlet of the preheater is communicated with an inlet pipeline of the circulating pump, an outlet of the circulating pump is communicated with a refrigerant inlet pipeline of the first heat exchanger, and a refrigerant outlet of the first heat exchanger is communicated with a heat medium inlet pipeline of the preheater; a refrigerant outlet of the second heat exchanger is communicated with an inlet pipeline of the compressor, an outlet of the compressor is communicated with a heat medium outlet pipeline of the first heat exchanger, and a heat medium outlet of the first heat exchanger is communicated with a refrigerant inlet pipeline of the second heat exchanger; the inlet of the heat source pump is communicated with the hot water well pipeline, the outlet of the heat source pump is communicated with the heat medium inlet pipeline of the second heat exchanger, and the heat medium outlet of the second heat exchanger is communicated with the cold water pipe.
Further, the cooling device comprises a refrigerator, an outlet of the cold water pipe is communicated with an inlet pipeline of the refrigerator, an outlet of the refrigerator is communicated with a cooling liquid inlet pipeline of the crystallization kettle, a cooling liquid outlet of the crystallization kettle is divided into two paths, one path is communicated with an inlet pipeline of the heat source pump, and the other path is communicated with a middle water pool pipeline.
The utility model has the advantages that: the pre-heater is arranged between the water collecting tank and the high-salinity wastewater low-temperature evaporator, so that wastewater entering the high-salinity wastewater low-temperature evaporator is preheated, the temperature of the wastewater can be increased, the heating and concentration speed of the wastewater in the high-salinity wastewater low-temperature evaporator is increased, the concentration time is shortened, the wastewater treatment efficiency is improved, and the requirements are met; the cold volume after the pre-heater heat transfer is sent into the refrigerator, can reduce refrigerator entry temperature simultaneously with cold volume recycle, improves energy utilization.
Description of the drawings:
fig. 1 is a schematic view of the entire structure of embodiment 1.
Fig. 2 is a schematic view of the entire structure of embodiment 2.
The system comprises a regulating tank 1, a settling tank 2, a water collecting tank 3, a high-salinity wastewater low-temperature evaporator 4, a crystallization kettle 5, a hot air blower 6, a preheater 7, a circulating pump 9, a first heat exchanger 10, a compressor 11, a second heat exchanger 12, a heat source pump 13, a hot water well 14, a cold water pipe 15, a refrigerator 16, a reclaimed water tank 17 and a discharge pipe 18.
The specific implementation mode is as follows:
in the description of the present invention, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, but does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Example 1: as shown in fig. 1, a high-salt high-organic matter wastewater low-temperature evaporation system comprises an adjusting tank 1, a settling tank 2, a water collecting tank 3, a high-salt wastewater low-temperature evaporator 4, a crystallization kettle 5 and a hot air blower 6, wherein a water outlet of the adjusting tank 1 is communicated with an inlet pipeline of the settling tank 2, an outlet of the settling tank 2 is communicated with an inlet pipeline of the water collecting tank 3, an outlet of the water collecting tank 3 is communicated with a water inlet pipeline of the high-salt wastewater low-temperature evaporator 4, a concentrated solution outlet of the high-salt wastewater low-temperature evaporator 4 is communicated with an inlet pipeline of the crystallization kettle 5, a water outlet of the crystallization kettle 5 is communicated with an inlet pipeline of the water collecting tank 3, a discharge pipe 18 is communicated above the side part of the water collecting tank 3, and an outlet of the hot air blower 6 is communicated with an air inlet pipeline of the high-salt wastewater low-temperature evaporator 4; the system also comprises a preheater 7, wherein the preheater 7 is arranged between the water collecting tank 3 and the high-salinity wastewater low-temperature evaporator 4, the outlet of the water collecting tank 3 is communicated with a refrigerant inlet pipeline of the preheater 7, and the refrigerant outlet of the preheater 7 is communicated with the water inlet of the high-salinity wastewater low-temperature evaporator 4; the quality and PH of the wastewater are adjusted in the adjusting tank 1, then the wastewater enters the settling tank 2 and is added with a medicament for precipitation treatment, the wastewater discharged from the settling tank 2 enters the water collecting tank 3 for collection, then enters the preheater 7, and the wastewater entering the high-salinity wastewater low-temperature evaporator 4 is preheated by the preheater 7, so that the temperature of the wastewater entering the high-salinity wastewater low-temperature evaporator 4 is increased, the concentration speed of the wastewater in the high-salinity wastewater low-temperature evaporator 4 is accelerated, and the wastewater treatment efficiency is improved; the wastewater concentrated by the high-salinity wastewater low-temperature evaporator 4 enters a crystallization kettle 5 to be cooled and crystallized to separate out salt crystals, and the wastewater discharged by the crystallization kettle 5 returns to the water collecting tank 3 to enter the system again for circular treatment; the water quality in the water collecting tank 3 is regularly detected, and the water is discharged from a discharge pipe 18 after the water quality is qualified;
preferably, the system further comprises a circulating pump 9, a first heat exchanger 10, a compressor 11, a second heat exchanger 12, a heat source pump 13, a hot water well 14 and a cold water pipe 15, wherein a heat medium outlet of the preheater 7 is communicated with an inlet pipeline of the circulating pump 9, an outlet of the circulating pump 9 is communicated with a refrigerant inlet pipeline of the first heat exchanger 10, and a refrigerant outlet of the first heat exchanger 10 is communicated with a heat medium inlet pipeline of the preheater 7; a refrigerant outlet of the second heat exchanger 12 is communicated with an inlet pipeline of the compressor 11, an outlet of the compressor 11 is communicated with a heat medium outlet pipeline of the first heat exchanger 10, and a heat medium outlet of the first heat exchanger 10 is communicated with a refrigerant inlet pipeline of the second heat exchanger 12; an inlet of the heat source pump 13 is communicated with a hot water well 14 pipeline, an outlet of the heat source pump 13 is communicated with a heat medium inlet pipeline of the second heat exchanger 12, and a heat medium outlet of the second heat exchanger 12 is communicated with a cold water pipe 15; the preheater 7 is a coiled heat exchanger, the shell pass of the preheater is a heat medium, the heat medium radiated in the preheater 7 is pumped into the first heat exchanger 10 through the circulating pump 9 to absorb the heat of the heat medium from the compressor 11, and then the heat medium returns to the preheater 7 to heat the wastewater; the heat medium from the compressor 11 is dissipated in the first heat exchanger 10 and then enters the second heat exchanger 12 to absorb the heat of the circulating water from the heat source pump 13, and the circulating water is dissipated in the second heat exchanger 12 and then is discharged out of the system through the cold water pipe 15.
Example 2: as shown in fig. 2, the whole structure is the same as that of embodiment 1, except that it further comprises a refrigerator 16, the outlet of the cold water pipe 15 is communicated with the inlet pipeline of the refrigerator 16, the outlet of the refrigerator 16 is communicated with the cooling liquid inlet pipeline of the crystallization kettle 5, the cooling liquid outlet of the crystallization kettle 5 is divided into two paths, one path is communicated with the inlet pipeline of the heat source pump 13, and the other path is communicated with the middle water pool 17; circulating water absorbing the cold enters the refrigerating machine 16 through the cold water pipe 15 and serves as an inlet water source of the refrigerating machine 16, so that on one hand, the cold generated by the system can be recycled, on the other hand, the temperature of the water source entering the refrigerating machine 16 can be reduced, and further, the energy consumption of the refrigerating machine 16 is reduced; the circulating water is cooled to the required temperature by the refrigerator 16 and then enters the crystallization kettle 5 to absorb the temperature of the concentrated water, salt in the concentrated water is crystallized, meanwhile, the circulating water heated by absorbing heat becomes hot water, one part of the hot water enters the second heat exchanger 12 through the heat source pump 13 to recover the heat, and the other part of the hot water is sent to the reclaimed water pool 17 to provide hot water for the reclaimed water pool 17.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (3)
1. A high-salt and high-organic waste water low-temperature evaporation system comprises an adjusting tank, a sedimentation tank, a water collecting tank, a high-salt waste water low-temperature evaporator, a crystallization kettle and an air heater, wherein a water outlet of the adjusting tank is communicated with an inlet pipeline of the sedimentation tank, an outlet of the sedimentation tank is communicated with an inlet pipeline of the water collecting tank, an outlet of the water collecting tank is communicated with a water inlet pipeline of the high-salt waste water low-temperature evaporator, a concentrated solution outlet of the high-salt waste water low-temperature evaporator is communicated with an inlet pipeline of the crystallization kettle, a water outlet of the crystallization kettle is communicated with an inlet pipeline of the water collecting tank, a discharge pipe is communicated above the side part of the water collecting tank, and an outlet of the air heater is communicated with an air inlet pipeline of the high-salt waste water low-temperature evaporator; the system is characterized by further comprising a preheater, wherein the preheater is arranged between the water collecting tank and the high-salinity wastewater low-temperature evaporator, an outlet of the water collecting tank is communicated with a refrigerant inlet pipeline of the preheater, and a refrigerant outlet of the preheater is communicated with a water inlet of the high-salinity wastewater low-temperature evaporator.
2. The low-temperature evaporation system for high-salt high-organic wastewater as claimed in claim 1, further comprising a circulating pump, a first heat exchanger, a compressor, a second heat exchanger, a heat source pump, a hot water well and a cold water pipe, wherein a heat medium outlet of the preheater is communicated with an inlet pipeline of the circulating pump, an outlet of the circulating pump is communicated with a refrigerant inlet pipeline of the first heat exchanger, and a refrigerant outlet of the first heat exchanger is communicated with a heat medium inlet pipeline of the preheater; a refrigerant outlet of the second heat exchanger is communicated with an inlet pipeline of the compressor, an outlet of the compressor is communicated with a heat medium outlet pipeline of the first heat exchanger, and a heat medium outlet of the first heat exchanger is communicated with a refrigerant inlet pipeline of the second heat exchanger; the inlet of the heat source pump is communicated with the hot water well pipeline, the outlet of the heat source pump is communicated with the heat medium inlet pipeline of the second heat exchanger, and the heat medium outlet of the second heat exchanger is communicated with the cold water pipe.
3. The high-salt high-organic wastewater low-temperature evaporation system of claim 2, further comprising a refrigerator, wherein an outlet of the cold water pipe is communicated with an inlet pipeline of the refrigerator, an outlet of the refrigerator is communicated with a cooling liquid inlet pipeline of the crystallization kettle, a cooling liquid outlet of the crystallization kettle is divided into two paths, one path is communicated with an inlet pipeline of the heat source pump, and the other path is communicated with a reclaimed water pool pipeline.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022721823.7U CN213803345U (en) | 2020-11-20 | 2020-11-20 | High-salt high-organic-matter wastewater low-temperature evaporation system |
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| CN202022721823.7U CN213803345U (en) | 2020-11-20 | 2020-11-20 | High-salt high-organic-matter wastewater low-temperature evaporation system |
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| CN213803345U true CN213803345U (en) | 2021-07-27 |
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