CN111377492A - Evaporation tower and method for treating high-salinity wastewater by using flue gas - Google Patents
Evaporation tower and method for treating high-salinity wastewater by using flue gas Download PDFInfo
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- CN111377492A CN111377492A CN201811636615.8A CN201811636615A CN111377492A CN 111377492 A CN111377492 A CN 111377492A CN 201811636615 A CN201811636615 A CN 201811636615A CN 111377492 A CN111377492 A CN 111377492A
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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
- C02F1/16—Treatment of water, waste water, or sewage by heating by distillation or evaporation using waste heat from other processes
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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
- C02F1/008—Control or steering systems not provided for elsewhere in subclass C02F
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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
- C02F1/043—Details
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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
- C02F1/10—Treatment of water, waste water, or sewage by heating by distillation or evaporation by direct contact with a particulate solid or with a fluid, as a heat transfer medium
- C02F1/12—Spray evaporation
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Abstract
The invention discloses an evaporation tower and a method for treating high-salinity wastewater by using flue gas, wherein the evaporation tower is connected with a dust remover and comprises the following components: the evaporation tower top is equipped with the leading-in mouth of cigarette and advances the tobacco pipe of leading-in high-temperature gas, and the evaporation tower bottom is equipped with exhaust tail gas's outlet flue and outlet tobacco pipe, goes out the tobacco pipe and connects the dust remover, is equipped with atomization component in the evaporation tower, and atomization component is close to into the mouth of cigarette, and the evaporation tower is equipped with the storage water tank that is used for storing salt-containing waste water outward, and storage water tank pipe connection atomization component, its method includes: s1: introducing the high-salinity wastewater into an evaporation tower, and atomizing to form salt-containing fog drops; s2: after the salt-containing fog drops are uniformly mixed with the high-temperature gas in the evaporation tower, powdery salt-containing particles are continuously separated out, and then the mixed gas containing the salt particles is obtained; s3: the salt particles in the mixed gas are removed by filtering, and the method utilizes the waste heat of the flue gas to evaporate the water in the high-salinity wastewater, and has the characteristics of low investment cost, good evaporation effect, low operation and maintenance cost, environmental protection, land occupation saving and cost saving.
Description
Technical Field
The invention relates to the technical field of environmental protection, in particular to an evaporation tower and a method for treating high-salinity wastewater by using flue gas.
Background
In the field of environmental protection technology, wastewater treatment has been an extremely important component.
The salt content index of the wastewater treatment gradually enters the supervision range and is more and more emphasized, especially in some highly-polluted and high-salt-content wastewater, the salt content can reach tens of thousands of milligrams per liter or even hundreds of thousands of milligrams per liter, even if other pollution indexes are all qualified, the discharge of the wastewater still causes great damage to the environment, and the salt alkalization and the corrosivity are particularly prominent.
China has a plurality of industries for generating high-salt wastewater, particularly concentrated water generated in the chemical water treatment process of thermal power plants and enterprises using boilers and desulfurization wastewater generated by desulfurization. The two are basically the most downstream of the cascade utilization of the water source of the whole plant, the water quality condition is poor, the treatment difficulty is high, the corrosivity is strong, the salt content in water is high, and the direct discharge inevitably causes great influence on the environment. In the past, the waste water is discharged after the traditional flocculation clarification treatment, and the salt is too high and is difficult to recycle, wherein the salt can reach tens of thousands or even hundreds of thousands of milligrams per liter.
Through development and practice for many years, the environment-friendly technology in China also generates a plurality of terminal high-salt-content wastewater treatment technologies, such as an evaporative crystallization technology, a bipolar membrane acid and alkali preparation technology, a chlorine preparation technology and the like, aiming at the situations, and the technologies can produce byproducts, such as product salt, acid and alkali, sodium hypochlorite and the like, while treating the terminal high-salt-content wastewater, and have certain economic benefits. But also exposes huge disadvantages, such as huge investment cost of treatment devices, complex process, overhigh treatment and operation cost, low economic benefit of byproducts and the like. However, in recent years, due to the rising price of the energy materials, the stricter environmental regulations, the more important people pay attention to the environment, especially the energy-saving, emission-reducing and environmental-protection technologies, the urgent economic appeal is provided, and the concept and technology of zero emission germinate.
The evaporative crystallization equipment in the prior art has the working procedures that: the wastewater is firstly subjected to conventional flocculation clarification and then needs to be softened, otherwise, an evaporator is scaled and the purpose of treating the wastewater cannot be achieved; preheating softened high-salt-content wastewater by a condenser, feeding the wastewater into an evaporator for forced circulation, feeding steam into the evaporator to heat the wastewater, and separating gas and water in a separator; the separated water vapor is condensed into liquid condensate water, the salt content of the concentrated wastewater is continuously increased, the final saturation is separated out from the wastewater and is enriched, the part of solid-liquid mixed fluid is separated by a centrifuge, the liquid saturated solution returns to the evaporator to continue evaporation and concentration, the separated salt is dried by a drying device and packaged by a packaging device, and the salt is finally transported and treated.
In conclusion, if the evaporation tower and the method for treating the high-salinity wastewater, which are simple in process, low in investment, low in operation and maintenance cost, low in energy consumption, stable in system and capable of treating the high-salinity wastewater, can be invented, an important progress of the technology can be achieved, and important contributions can be made to energy conservation and emission reduction, environmental protection and economic development.
Disclosure of Invention
The present invention is intended to solve the above technical problems to some extent.
In view of the above, the invention provides an evaporation tower and a method for treating high-salinity wastewater by using flue gas, and the evaporation tower and the method utilize the waste heat of the flue gas to evaporate water in the high-salinity wastewater, and have the characteristics of low investment cost, good evaporation effect, low operation and maintenance cost, environmental protection, and land occupation and cost saving.
In order to solve the technical problem, the invention provides an evaporation tower for treating high-salinity wastewater by using flue gas, which is connected with a dust remover, wherein the top of the evaporation tower is provided with a flue gas inlet and a flue gas inlet for introducing high-temperature gas, the bottom of the evaporation tower is provided with a flue gas outlet and a flue gas outlet for discharging tail gas, the flue gas outlet is connected with the dust remover, an atomization component is arranged in the evaporation tower, the atomization component is close to the flue gas inlet, a storage water tank for storing saline wastewater is arranged outside the evaporation tower, and a pipeline of the storage water tank is connected with the atomization component.
Further, the smoke inlet is communicated with the smoke inlet pipe through a smoke inlet reducer pipe.
Further, the smoke inlet reducer pipe comprises an upper conical cylinder body, a middle cylinder body and a lower conical cylinder body, the upper conical cylinder body is connected with the smoke inlet pipe, the lower conical cylinder body is connected with the smoke inlet, the upper conical cylinder body, the middle cylinder body and the lower conical cylinder body are sequentially communicated, the conical bottom angle of the upper conical cylinder body ranges from 55 degrees to 60 degrees, and the conical bottom angle of the lower conical cylinder body ranges from 60 degrees to 65 degrees.
Further, the smoke outlet is communicated with the smoke outlet pipe through a smoke outlet reducer pipe, the smoke outlet reducer pipe is an inverted cone-shaped cylinder, and the cone bottom angle of the inverted cone-shaped cylinder is 60-65 degrees.
Furthermore, the smoke inlet pipe and the smoke outlet pipe are both provided with a monitoring component for detecting the temperature of smoke and an isolating door for preventing the smoke from flowing.
Further, a smoke uniform distribution assembly is arranged in the smoke inlet pipe.
Further, a flue gas diversion assembly is arranged in the evaporation tower and arranged above the atomization assembly.
Further, the evaporation tower is a cylinder, and the ratio of the height to the outer diameter of the cylinder is 5-8.
A method for zero discharge of high-salinity wastewater in flue gas treatment comprises the following steps:
s1: introducing the high-salinity wastewater into an evaporation tower, and atomizing to form salt-containing fog drops;
s2: after the salt-containing fog drops are uniformly mixed with the high-temperature gas in the evaporation tower, powdery salt-containing particles are continuously separated out, and then the mixed gas containing the salt particles is obtained;
s3: salt particles in the mixed gas are removed by filtration. .
Further, in the step S2, the temperature of the high-temperature gas is 300 ℃ to 350 ℃.
The invention has the technical effects that: (1) the evaporation tower is introduced into the high-temperature smoke body, the salt content of the high-salinity wastewater is removed by using the waste heat of the smoke, and no additional energy is needed, so that the whole process and the device have low energy consumption and simple operation and maintenance, thereby reducing the operation cost in the treatment process to the maximum extent, saving energy and reducing consumption.
(2) The evaporation tower is equipped with the storage water tank that is used for storing salt waste water outward, storage water tank pipe connection atomization component, through the regulation to storage water tank entering atomization component inflow, the realization is to the salt waste water automatic control and the regulation of containing in the entering evaporation tower, optimize the operation control mode of each unit, the influence of the fluctuation of the high salt waste water matter water yield of fully considering to the system operation, make the whole system can carry out nimble adjustment according to the change of quality of water yield, ensure the reliable and stable operation of system, can realize cutting off the separation immediately as required with the evaporation tower, do not produce negative effects to the operation of system.
(3) The smoke outlet pipe of the evaporation tower is connected with the dust remover, the dust remover in the smoke is caught to contain salt particles, no solid waste is discharged, separated solid does not need to be treated additionally, new pollutants or waste water is not generated, zero discharge of waste water is realized, and the operation cost of the system is reduced to the maximum extent.
(4) The evaporation tower top is equipped with the leading-in high-temperature gas's smoke inlet and advances the tobacco pipe, and the evaporation tower bottom is equipped with exhaust tail gas's outlet flue and outlet tobacco pipe, goes out the tobacco pipe and connects the dust remover, is equipped with atomization component in the evaporation tower, and atomization component is close to into the smoke inlet, and the evaporation tower is equipped with the storage water tank that is used for storing salt-containing waste water outward, stores water tank pipe connection atomization component, has construction convenience, practices thrift and takes up an area of, the technological process is short and the investment is saved characteristics.
Drawings
FIG. 1 is a schematic diagram of an evaporation tower for treating high-salinity wastewater with flue gas according to the present invention.
Wherein, 1-an evaporation tower; 2-smoke inlet pipe; 3, discharging the smoke tube; 4-an atomizing component; 5-smoke inlet reducer pipe; 6, discharging the smoke and reducing the diameter; 7-a monitoring component; 8-an isolation gate; 9-flue gas uniform distribution components; 10-a flue gas diversion assembly; 51-upper conical cylinder; 52-middle cylinder; 53-lower conical cylinder.
Detailed Description
The present invention is further described with reference to the following drawings and specific examples so that those skilled in the art can better understand the present invention and can practice the present invention, but the examples are not intended to limit the present invention.
As shown in figure 1, an evaporation tower of high salinity waste water is handled to flue gas, it connects the dust remover, 1 top of evaporation tower is equipped with the smoke inlet and the tobacco pipe 2 of leading-in high-temperature gas, 1 bottom of evaporation tower is equipped with exhaust tail gas's outlet flue and outlet flue pipe 3, outlet flue pipe 3 connects the dust remover, be equipped with atomization component 4 in the evaporation tower 1, atomization component 4 is close to the smoke inlet, evaporation tower 1 is equipped with the storage water tank that is used for storing salt-containing waste water outward, storage water tank pipe connection atomization component 4.
According to the specific embodiment of the invention, an evaporation tower for treating high-salinity wastewater by using flue gas is connected with a dust remover, the top of the evaporation tower 1 is provided with a smoke inlet and a smoke inlet pipe 2 for introducing high-temperature gas, the high-temperature flue gas enters the smoke inlet at the top of the evaporation tower 1 through the smoke inlet pipe 2, an atomization component 4 is arranged in the evaporation tower 1, a storage water tank for storing saline wastewater is arranged outside the atomization component 4 close to the smoke inlet evaporation tower 1, a pipeline of the storage water tank is connected with the atomization component 4, the high-salinity wastewater in the storage water tank enters the atomization component 4 through the pipeline to be atomized into saline fog drops, the saline fog drops are mixed with the high-temperature flue gas, salt particles are separated out after moisture in the saline fog drops is continuously evaporated, and then mixed gas containing the salt particles is formed in the evaporation tower 1, no additional energy is needed, the whole process and the device have low energy consumption, the operation and the maintenance are simple, so that the operation cost in the treatment process, energy saving and consumption reduction, 1 bottom of evaporating tower is equipped with the outlet flue and the play tobacco pipe 3 of exhaust tail gas, the mist that contains salt granule is discharged by the play tobacco pipe 3 of evaporating tower 1 bottom, it connects the dust remover to go out tobacco pipe 3, the mist that contains salt granule gets into in the dust remover, the dust remover is discharged the mist after catching salt granule, no solid waste discharges, need not to deal with the solid through the separation in addition, do not produce new pollutant or waste water, realize the waste water zero release, furthest's lowering system running cost, equipment structure is simple simultaneously, construction convenience has, practice thrift and take up an area of, the process flow is short and the characteristics of investment saving.
According to the specific embodiment of the invention, a storage water tank for storing salt-containing wastewater is arranged outside the evaporation tower 1, the storage water tank is connected with the atomization component 4 through a pipeline, the salt-containing wastewater in the storage water tank is conveyed to the atomization component 4 through a conveying pump, the atomization component 4 is connected with an air inlet component through the atomization component 4 by adjusting the water inlet amount of the storage water tank entering the atomization component 4, the air inlet component enters the atomization component 4 through a fan, the salt-containing wastewater entering the evaporation tower 1 is automatically controlled and adjusted, the operation control mode of each unit is optimized, the influence of the fluctuation of the quality and the quantity of the high salt-containing wastewater on the operation of the system is fully considered, the whole set of system can be flexibly adjusted according to the change of the quality and the quantity of the water, the stable and reliable operation of the system is ensured, meanwhile, the instantaneous separation can be realized according to the needs.
According to the specific embodiment of the invention, a plurality of atomizing assemblies 4 are arranged, and the plurality of atomizing assemblies 4 and the central line of the evaporation tower 1 form an included angle of 60-90 degrees, so that the mixing degree of the flue gas and the salt-containing fog drops is optimized.
According to the specific embodiment of the invention, the evaporation tower 1 is provided with an observation assembly for observing the state of the flue gas in the evaporation tower, so that the stable operation of the equipment is ensured.
According to the specific embodiment of the invention, the smoke outlet pipe 3 is provided with an emptying valve, and the emptying valve is opened to discharge materials generated by large particle sedimentation of internal smoke in the flowing process at the right moment, so as to ensure the stable operation of the equipment.
As shown in figure 1, the smoke inlet is communicated with the smoke inlet pipe 2 through a smoke inlet reducer pipe 5.
According to the specific embodiment of the invention, the smoke inlet is communicated with the smoke inlet pipe 2 through the smoke inlet reducer pipe 5, the smoke inlet reducer pipe 5 reduces the vortex caused by separation from the inner wall of the pipeline due to overlarge flow cross section, the uniform distribution of smoke in the evaporation tower 1 is realized, and the resistance loss of the smoke is reduced.
According to the specific embodiment of the invention, the smoke inlet reducer pipe 5 comprises an upper conical cylinder 51 and a middle cylinder 52 which are connected with the smoke inlet pipe 2 and a lower conical cylinder 53 which is connected with the smoke inlet, the upper conical cylinder 51, the middle cylinder 52 and the lower conical cylinder 53 are sequentially communicated, the conical bottom angle of the upper conical cylinder 51 is 55-60 degrees, the conical bottom angle of the lower conical cylinder 53 is 60-65 degrees, and the uniform distribution effect of smoke is improved.
As shown in fig. 1, the smoke outlet is communicated with the smoke outlet pipe 3 through the smoke outlet reducer pipe 6, the smoke outlet reducer pipe 6 is an inverted cone-shaped cylinder, and the cone bottom angle of the inverted cone-shaped cylinder is 60-65 degrees.
According to the specific embodiment of the invention, the smoke outlet is communicated with the smoke outlet pipe 3 through the smoke outlet reducer pipe 6, the smoke outlet reducer pipe 6 is an inverted cone-shaped cylinder body, the smoke is rectified, so that the mixed smoke smoothly flows into the smoke outlet pipe 3, the normal operation of the equipment is ensured, the cone bottom angle of the inverted cone-shaped cylinder body is 60-65 degrees, and the smoke rectification effect is improved.
As shown in FIG. 1, the smoke inlet pipe 2 and the smoke outlet pipe 3 are both provided with a monitoring component 7 for detecting the temperature of smoke and an isolation door 8 for preventing the flow of smoke.
According to the specific embodiment of the invention, the smoke inlet pipe 2 and the smoke outlet pipe 3 are both provided with a monitoring component 7 for detecting the temperature of smoke and an isolating door 8 for preventing the smoke from flowing, the monitoring component 7 can be used for online monitoring of the smoke in the smoke inlet pipe 2 to avoid the partial analysis of salt containing droplets caused by too low temperature of the smoke generated in the previous process, the monitoring component 7 is used for detecting the temperature of the smoke in the smoke outlet pipe 3 to detect whether the smoke is consistent with a preset discharge temperature in the smoke discharge process and whether salt particles are dissolved in the salt containing droplets, and when the smoke is not consistent with the preset temperature, the isolating door 8 is closed to overhaul the device, so as to ensure the stable operation of wastewater desalination.
As shown in figure 1, a flue gas uniform distribution assembly 9 is arranged in the flue gas inlet pipe 2.
According to the specific embodiment of the invention, the smoke inlet pipe 2 is internally provided with the smoke uniform distribution assembly 9, the smoke uniform distribution assembly 9 uniformly distributes smoke, the uniform mixing of the smoke and the salt-containing fog drops is ensured, the moisture in the salt-containing fog drops is completely evaporated, and salt-containing particles are separated out.
As shown in fig. 1, a flue gas guiding assembly 10 is arranged in the evaporation tower 1, and the flue gas guiding assembly 10 is arranged above the atomizing assembly 4.
According to the specific embodiment of the invention, the evaporation tower 1 is internally provided with the flue gas guide assembly 10, the flue gas guide assembly 10 is arranged above the atomization assembly 4, and the guide assembly 10 plays a role in guiding the flow of the flue gas, so that the flue gas uniformly flows into the evaporation tower 1 to form a stable fluid, the normal flow of the flue gas is ensured, and the equipment can normally operate.
As shown in figure 1, the evaporation tower 1 is a cylinder, and the ratio of the height to the outer diameter of the cylinder is 5-8.
According to the specific embodiment of the invention, the evaporation tower 1 is a cylinder, the ratio of the height to the outer diameter of the cylinder is 5-8, and the desalting effect of salt-containing fog drops is optimized.
A method for zero discharge of high-salinity wastewater in flue gas treatment comprises the following steps:
s1: introducing the high-salinity wastewater into an evaporation tower, and atomizing to form salt-containing fog drops;
s2: after the salt-containing fog drops are uniformly mixed with the high-temperature gas in the evaporation tower, powdery salt-containing particles are continuously separated out, and then the mixed gas containing the salt particles is obtained;
s3: salt particles in the mixed gas are removed by filtration.
According to the specific embodiment of the invention, the salt-containing fog drops are uniformly mixed with the high-temperature gas in the evaporation tower to continuously separate out powdery salt-containing particles, so that the mixed gas containing the salt particles is obtained, the temperature of the high-temperature gas is 300-350 ℃, the temperature of the flue gas discharged from the evaporation tower is about 100-150 ℃ after the high-temperature gas is uniformly mixed with the high-temperature gas in the evaporation tower, and the desalting effect of the salt-containing fog drops is improved.
According to the specific embodiment of the invention, the high-temperature gas is the high-temperature denitration flue gas, the residual heat of the high-temperature denitration flue gas is utilized to evaporate the water in the salt-containing fog drops and separate out salt-containing particles, so that the whole process and the device have low energy consumption and are simple to operate and maintain, thereby reducing the operating cost in the treatment process to the maximum extent, saving energy and reducing consumption.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the invention is all within the protection scope of the invention. The protection scope of the invention is subject to the claims.
Claims (10)
1. The utility model provides an evaporation tower of high salinity waste water is handled to flue gas, its connection dust remover, its characterized in that, the evaporation tower top is equipped with leading-in high-temperature gas advance the mouth and advance the tobacco pipe, the evaporation tower bottom is equipped with the outlet flue and the outlet flue pipe of exhaust tail gas, it connects to go out the tobacco pipe the dust remover, be equipped with atomization component in the evaporation tower, atomization component is close to advance the mouth, the evaporation tower is equipped with the storage water tank that is used for storing salt-containing waste water outward, the storage water tank pipe is connected atomization component.
2. The evaporation tower for treating high-salinity wastewater by using the flue gas as claimed in claim 1, wherein the flue gas inlet is communicated with the flue gas inlet pipe through a flue gas inlet reducer pipe.
3. The evaporation tower for treating high-salinity wastewater by using the flue gas as claimed in claim 2, wherein the flue gas inlet reducer comprises an upper conical cylinder body, a middle cylinder body and a lower conical cylinder body, the upper conical cylinder body, the middle cylinder body and the lower conical cylinder body are connected with the flue gas inlet pipe, the upper conical cylinder body, the middle cylinder body and the lower conical cylinder body are sequentially communicated, the conical bottom angle of the upper conical cylinder body is 55-60 degrees, and the conical bottom angle of the lower conical cylinder body is 60-65 degrees.
4. The evaporation tower for treating high-salinity wastewater by using flue gas according to claim 1, wherein the flue gas outlet is communicated with the flue gas outlet pipe through a flue gas outlet reducer, the flue gas outlet reducer is an inverted cone-shaped cylinder, and the cone bottom angle of the inverted cone-shaped cylinder is 60-65 °.
5. The evaporation tower for treating high-salinity wastewater by using flue gas as claimed in claim 1, wherein the flue gas inlet pipe and the flue gas outlet pipe are both provided with a monitoring component for detecting the temperature of the flue gas and an isolation door for preventing the flow of the flue gas.
6. The evaporation tower for treating high-salinity wastewater by using flue gas as claimed in claim 1, wherein a flue gas uniform distribution assembly is arranged in the flue gas inlet pipe.
7. The evaporation tower for treating high-salinity wastewater by using flue gas as claimed in claim 1, wherein a flue gas diversion assembly is arranged in the evaporation tower, and the flue gas diversion assembly is arranged above the atomization assembly.
8. The evaporation tower for treating high-salinity wastewater by using the flue gas as claimed in claim 1, wherein the evaporation tower is a cylinder, and the ratio of the height to the outer diameter of the cylinder is 5-8.
9. A zero discharge method for treating high salinity wastewater by flue gas, which is based on the evaporation tower for treating high salinity wastewater by flue gas of any one of claims 1 to 8, and is characterized by comprising the following steps:
s1: introducing the high-salinity wastewater into an evaporation tower, and atomizing to form salt-containing fog drops;
s2: after the salt-containing fog drops are uniformly mixed with the high-temperature gas in the evaporation tower, powdery salt-containing particles are continuously separated out, and then the mixed gas containing the salt particles is obtained;
s3: salt particles in the mixed gas are removed by filtration.
10. The method for zero discharge of high salinity wastewater in flue gas treatment according to claim 9, wherein the temperature of the high temperature gas in step S2 is 300 ℃ to 350 ℃.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811636615.8A CN111377492A (en) | 2018-12-29 | 2018-12-29 | Evaporation tower and method for treating high-salinity wastewater by using flue gas |
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| CN201811636615.8A CN111377492A (en) | 2018-12-29 | 2018-12-29 | Evaporation tower and method for treating high-salinity wastewater by using flue gas |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114275836A (en) * | 2021-12-17 | 2022-04-05 | 中石化节能技术服务有限公司 | Method and device for treating salt-containing sewage by using flue gas waste heat |
| CN114288691A (en) * | 2022-01-30 | 2022-04-08 | 江阴铠乐丰环境工程科技有限公司 | Evaporation plant for treating high-salt and high-organic wastewater by using high-temperature flue gas |
-
2018
- 2018-12-29 CN CN201811636615.8A patent/CN111377492A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114275836A (en) * | 2021-12-17 | 2022-04-05 | 中石化节能技术服务有限公司 | Method and device for treating salt-containing sewage by using flue gas waste heat |
| CN114275836B (en) * | 2021-12-17 | 2023-10-27 | 中石化节能技术服务有限公司 | Method and device for treating salt-containing sewage by using flue gas waste heat |
| CN114288691A (en) * | 2022-01-30 | 2022-04-08 | 江阴铠乐丰环境工程科技有限公司 | Evaporation plant for treating high-salt and high-organic wastewater by using high-temperature flue gas |
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Application publication date: 20200707 |