KR20160117674A - Submerged burner type wastewater treatment System - Google Patents

Submerged burner type wastewater treatment System Download PDF

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Publication number
KR20160117674A
KR20160117674A KR1020150044191A KR20150044191A KR20160117674A KR 20160117674 A KR20160117674 A KR 20160117674A KR 1020150044191 A KR1020150044191 A KR 1020150044191A KR 20150044191 A KR20150044191 A KR 20150044191A KR 20160117674 A KR20160117674 A KR 20160117674A
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South Korea
Prior art keywords
evaporator
micro
pipe
heat exchanger
exhaust gas
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KR1020150044191A
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Korean (ko)
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KR101721137B1 (en
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민태진
홍원석
신완호
송동근
김상복
김한석
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한국기계연구원
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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
    • C02F1/048—Purification of waste water by evaporation
    • 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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  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)

Abstract

According to an embodiment of the present invention, there is provided a method of manufacturing a semiconductor device, including: a first evaporator for supplying raw water and vaporizing and discharging raw water by a flame; A second evaporator for supplying raw water and vaporizing and discharging the raw water by a flame; And a first pipe (L5) positioned between the first evaporator and the second evaporator, wherein the exhaust gas, which is evaporated and discharged from the first evaporator, passes through the first pipe (L5) Wherein the second evaporator is fed into the second evaporator.

Description

[0001] The present invention relates to a submerged burner type wastewater treatment system for wastewater treatment,

The present invention relates to a submerged combustion evaporation system for wastewater treatment.

Industrial wastewater contains various pollutants at a high concentration, so it is not easy to obtain water quality that meets the standard by biological treatment technology or physicochemical treatment technology.

For example, the presence of a high concentration salt in the wastewater lowers the concentration efficiency, and there are problems such as evaporation of VOCs, harmful gas (odor), condensed water having a high COD, and scale formation of a heat exchanger.

Conventional patent documents disclose, for example, Korean Patent Laid-Open Publication No. 2013-0058839 (2013.06.05) (evaporation concentrated wastewater purification apparatus), Korean Patent Laid-Open Publication No. 2003-0034878 (2003.05.09) (Waste Water Evaporation Concentrator), Korean Patent Laid-Open Publication No. 2001-0008543 (2001.02.05) (Waste Water Evaporation Concentrator), and Korean Patent Laid-Open Publication No. 1998-0001842 (1998.03.30)

According to an embodiment of the present invention, a flooded combustion evaporation system for wastewater treatment is provided.

According to an embodiment of the present invention,

A first evaporator for receiving raw water and vaporizing and discharging the raw water by a flame;

A second evaporator for supplying raw water and vaporizing and discharging the raw water by a flame; And

And a first pipe (L5) positioned between the first evaporator and the second evaporator,

And the exhaust gas, which is evaporated and discharged from the first evaporator, flows into the second evaporator through the first pipe L5.

The exhaust gas flowing into the second evaporator through the first pipe L5 may be used as fuel in the second evaporator.

The second evaporator includes an injector for injecting fuel gas and combustion air. An exhaust gas flowing into the second evaporator through the first pipe L5 flows into the injector, Can be burned by the flame.

In a flooded-type combustion evaporation system for wastewater treatment according to an embodiment of the present invention,

And a bypass pipe (L6) for providing a path through which the exhaust gas discharged from the first evaporator is moved, wherein the bypass pipe (L6) And can be connected to the pipe L10 to be discharged.

An on-off valve V3 is provided in the bypass pipe L6, an on-off valve V1 is provided in the first pipe L5,

When the on-off valve V3 is turned on and the on-off valve V1 is turned off, the exhaust gas discharged from the first evaporator is bypassed to the bypass pipe L6 instead of the first pipe L5 ≪ / RTI >

When the on-off valve V3 is turned off and the on-off valve V1 is turned on, the exhaust gas discharged from the first evaporator passes through the first pipe L6, not the bypass pipe L6, It may be discharged.

In a flooded-type combustion evaporation system for wastewater treatment according to an embodiment of the present invention,

A pipe L3 provided between the first evaporator and the second evaporator to provide a path through which part of the raw water present in the first evaporator can be moved to the second evaporator; And

And a pump P2 disposed in the pipe L3 for pumping a portion of the raw water of the first evaporator to provide the second evaporator to the second evaporator.

In a flooded-type combustion evaporation system for wastewater treatment according to an embodiment of the present invention,

A storage tank for temporarily storing raw water supplied to the first evaporator; And

A first heat exchanger positioned between the storage vessel and the first evaporator; Further comprising:

The raw water stored in the storage tank is supplied to the first evaporator through the first heat exchanger,

In the first heat exchanger, heat exchange may be performed between the exhaust gas discharged from the first evaporator or the second evaporator and the raw water introduced from the storage tank.

In a flooded-type combustion evaporation system for wastewater treatment according to an embodiment of the present invention,

Cooling tower; And

A second heat exchanger positioned between the first heat exchanger and the cooling tower; Further comprising:

In the second heat exchanger, heat exchange may be performed between the cold water supplied through the cooling tower and the exhaust gas flowing through the first heat exchanger.

In a flooded-type combustion evaporation system for wastewater treatment according to an embodiment of the present invention,

A condensate storage tank for storing the condensed water passing through the second heat exchanger;

A scrubber for receiving condensed water stored in the condensed water storage tank and spraying water into the exhaust gas to remove noxious gas;

An activated carbon filter for removing odors of the exhaust gas passing through the scrubber; And

And a fan for discharging the exhaust gas passed through the activated carbon filter to the outside.

In a flooded-type combustion evaporation system for wastewater treatment according to an embodiment of the present invention,

And a micro-bubble generating and piping cleaning device located in the first heat exchanger and the storage tank,

The micro-bubble generating and piping cleaning device generates minute bubbles and provides the micro-bubbles to a pipe L11 for providing a path through which raw water is moved from the storage tank to the first heat exchanger, and a scale generated in the first heat exchanger is removed .

In a flooded-type combustion evaporation system for wastewater treatment according to an embodiment of the present invention,

A first micro bubble generator for generating and supplying micro bubbles to the first evaporator; And

And a second micro-bubble generator for generating micro-bubbles in the second evaporator.

The micro bubble generator is mixed with the wastewater at the front end of the small evaporator concentrator to distribute the bubbles to a small size during the evaporation, thereby enhancing the heat exchange efficiency in the evaporator and promoting the low molecular weight of the refractory material I have.

In the first evaporator, some of the pollutants with low boiling point are simultaneously discharged during the evaporation process, which has a great influence on the deterioration of the water quality in the condensation process after evaporation. Therefore, additional equipment is needed for wastewater treatment. By installing a second evaporator, the water quality of the condensed water can be improved. In the first evaporator, high volatiles evaporate at the same time and are injected into the combustor of the second evaporator. When the second evaporator is incinerated, the effluent concentration of the raw water is reduced. Finally, the final evaporation treatment is performed in the second evaporator to improve the condensed water quality Can be expected.

FIG. 1 is a view for explaining a water immersion type combustion evaporation system for wastewater treatment according to an embodiment of the present invention.
2 is a view for explaining a flooded combustion evaporation system for wastewater treatment according to another embodiment of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS The above and other objects, features, and advantages of the present invention will become more readily apparent from the following description of preferred embodiments with reference to the accompanying drawings. However, the present invention is not limited to the embodiments described herein but may be embodied in other forms. Rather, the embodiments disclosed herein are provided so that the disclosure can be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

Where the terms first, second, etc. are used herein to describe components, these components should not be limited by such terms. These terms have only been used to distinguish one component from another. The embodiments described and exemplified herein also include their complementary embodiments.

The expression that component A and component B are connected (or connected or fastened or coupled) to each other in the description and / or claims of the present application means that component A and component B are directly connected or that one or more of the other components Quot; is used in the meaning including to be connected by an intermediary.

Also, terms used herein are for the purpose of illustrating embodiments and are not intended to limit the invention. In the present specification, the singular form includes plural forms unless otherwise specified in the specification. The terms "comprises" and / or "comprising" used in the specification do not exclude the presence or addition of one or more other elements.

Hereinafter, the present invention will be described in detail with reference to the drawings. In describing the specific embodiments below, various specific details have been set forth in order to explain the invention in greater detail and to assist in understanding it. However, it will be appreciated by those skilled in the art that the present invention may be understood by those skilled in the art without departing from such specific details. In some instances, it should be noted that portions of the invention that are not commonly known in the description of the invention and are not significantly related to the invention do not describe confusing reasons for explaining the present invention.

FIG. 1 is a view for explaining a water immersion type combustion evaporation system for wastewater treatment according to an embodiment of the present invention.

Referring to FIG. 1, a flooded-type combustion evaporation system for treating wastewater according to an embodiment of the present invention includes a first evaporator 100 and a second evaporator 200. Although the present embodiment uses two evaporators as an example, it is also possible to use three or more evaporators.

According to an embodiment of the present invention, the first evaporator 100 is provided with a burner (not shown). The burner (not shown) injects fuel gas and combustion air to generate a flame, The raw water flowing into the primary evaporator 100 is burned.

According to one embodiment of the present invention, the first evaporator 100 includes an injection unit 102 for injecting fuel gas and combustion air to be used by a burner (not shown). The burner provided in the first evaporator 100 generates a combustion Kischer flame for the fuel gas and the combustion air injected through the injecting section 102.

According to an embodiment of the present invention, the second evaporator 200 also has a burner (not shown). The burner provided in the second evaporator 200 receives the fuel gas and the combustion air to generate a flame, and the flame burns the raw water flowing into the second evaporator 200.

According to an embodiment of the present invention, the second evaporator 200 includes an injection unit 202 for injecting fuel gas and combustion air, and the burner provided in the second evaporator 200 includes an injection unit 202 and the combustion air is used to generate the flame. On the other hand, the injector 202 can also receive the exhaust gas discharged from the first evaporator 100. The exhaust gas flowing through the pipe L5 located between the first evaporator 100 and the second evaporator 200 flows into the injector 202 and is then burned by the flame.

1, a flooded-type combustion evaporation system for treating wastewater according to an embodiment of the present invention includes a first evaporator 100 and a second evaporator 200 installed between a first evaporator 100 and a second evaporator 200, And a part of the raw water of the first evaporator 100 located in the pipe L3 is supplied to the second evaporator 200 through the pipe L3, And a pump P2 for pumping and supplying the pumped gas to the second evaporator.

1, the flooded-type combustion evaporation system for treating wastewater according to an embodiment of the present invention includes a storage tank 501 for temporarily storing raw water (meaning wastewater) supplied to a first evaporator 100, And may further include a pump P1 for pumping the element to the storage tank 501.

Referring to FIG. 1, the flooded-type combustion evaporation system for treating wastewater according to an embodiment of the present invention further includes a first heat exchanger 301 positioned between a storage tank 501 and a first evaporator 100 can do. The raw water stored in the storage tank 501 is supplied to the first evaporator 100 through the first heat exchanger 301. In the first heat exchanger (301), raw water flowing out of the storage tank (501) is exchanged with exhaust gas discharged from the second evaporator (200) or the first evaporator (100).

Referring to FIG. 1, the flooded-type combustion evaporation system for treating wastewater according to an embodiment of the present invention further includes a pump P2 disposed between the first evaporator 100 and the second evaporator 200 do. This pump P2 supplies the raw water in the first evaporator 100 to the second evaporator 200. [

Referring to FIG. 1, in a submerged combustion evaporation system for treating wastewater according to an embodiment of the present invention, a pipe L5 is positioned between a first evaporator 100 and a second evaporator 200. The exhaust gas which is evaporated and discharged in the first evaporator 100 flows into the second evaporator 200 through the pipe L5 and is then used as fuel in the second evaporator 200. [

When the valve V1 is turned on, the exhaust gas discharged from the first evaporator 100 flows through the pipe L5 to the second evaporator 200. The on-off valve V1 is connected to the pipe L5, .

On the other hand, when the valve V1 is OFF, the pipe L5 is closed, and the exhaust gas discharged from the first evaporator 100 can not be moved through the pipe L5. In this case, the exhaust gas discharged from the first evaporator 100 is supplied to the first heat exchanger 301 through the bypass pipe L6.

Referring to FIG. 1, the submerged combustion evaporation system for treating wastewater according to an embodiment of the present invention may further include a bypass pipe L6.

The bypass piping L6 can discharge the exhaust gas discharged from the first evaporator 100 to the outside without passing through the second evaporator 200 (i.e., bypassing the second evaporator 200) Provide the path.

In this embodiment, the bypass pipe L6 may be connected to the pipe L10 through which the exhaust gas is discharged from the second evaporator 200. [

The bypass piping L6 is provided with an on-off valve V3. When the valve V3 is turned on, the exhaust gas discharged from the first evaporator 100 is moved through the bypass piping L6, Is moved to the first heat exchanger (301) together with the exhaust gas discharged through the pipe (L10).

Referring to FIG. 1, in the flooded combustion evaporation system for treating wastewater according to an embodiment of the present invention, exhaust gas discharged from the first evaporator 100 may be discharged through two paths.

The first path is a path through which the exhaust gas discharged from the first evaporator 100 is supplied to the second evaporator 200 only through the pipe L5 (i.e., without passing through the pipe L6). In this case, the valve V1 located in the pipe L5 is on and the valve V2 located in the pipe L6 is off.

The exhaust gas discharged from the first evaporator 100 is discharged only through the pipe L6 (that is, without passing through the pipe L5), the first heat exchanger 301 ). In this case, the valve V1 located in the pipe L5 is off, and the valve V2 located in the pipe L6 is on.

1, in the submerged combustion evaporation system for wastewater treatment according to an embodiment of the present invention, the exhaust gas discharged from the first evaporator 100 is supplied to the second evaporator 100 until the system is initially operated and stabilized. And is discharged through the first path when the system starts to operate stably. Also, the exhaust gas discharged from the first evaporator 100 can be discharged through the second path even when the operation of the second evaporator 200 is not smooth.

In the flooded combustion evaporation system for treating wastewater according to an embodiment of the present invention, the exhaust gas provided to the second evaporator 200 through the first path is burnt by the burner in the second evaporator 200. That is, the exhaust gas supplied to the second evaporator 200 through the first path is contacted with the flame by the burner provided in the second evaporator 200 and is burned. In this case, the volatile components included in the exhaust gas discharged from the first evaporator 100 are removed by the combustion in the second evaporator 200. In addition, the volatile components included in the exhaust gas discharged from the first evaporator 100 are used as the fuel of the burner provided in the second evaporator 200, so that there is also an effect of saving fuel.

1, a submerged combustion evaporation system for wastewater treatment according to an embodiment of the present invention includes a path through which a fuel (for example, LP gas) of a burner can be moved to a first evaporator 100 A pipe L9 for providing a path through which the fuel (for example, LP gas) of the burner can be moved to the second evaporator 100, a pipe L9 for supplying the fuel to the first evaporator 100, And a pipe L8 for providing a path through which the air for combustion can be moved to the secondary evaporator 200. The pipe L8 may be a pipe or a pipe.

Referring to FIG. 1, the flooded-type combustion evaporation system for treating wastewater according to an embodiment of the present invention may further include a second heat exchanger 303. The exhaust gas discharged through the first evaporator 100 or the second evaporator 200 is firstly cooled while passing through the first heat exchanger 301, passes through the second heat exchanger 303, . The first heat exchanger has an effect of increasing the evaporation efficiency and enhancing the condensation efficiency of the evaporation treatment water by providing a temperature increasing effect of the raw water source water while mutually exchanging heat between the evaporation treatment water and the raw water source. In the second heat exchanger (303), heat exchange is performed between the cold water provided through the cooling tower (305) and the exhaust gas passing through the first heat exchanger (301).

Referring to FIG. 1, the flooded-type combustion evaporation system for treating wastewater according to an embodiment of the present invention may further include a cooling tower 305. The cooling tower 305 supplies the cold water to the second heat exchanger 303 and the discharged water passing through the second heat exchanger 303 is cooled to be supplied to the second heat exchanger 303.

1, a flooded-type combustion evaporation system for wastewater treatment according to an embodiment of the present invention includes a condensate storage tank 503 for storing condensed condensed water passing through a second heat exchanger 303, And a pump P4 for discharging the condensed water stored in the condenser 503 to the outside.

1, a flooded-type combustion evaporation system for treating wastewater according to an embodiment of the present invention includes a scrubber (not shown) for receiving condensed water stored in a condensed water storage tank 503 and spraying water to the exhaust gas to remove harmful gas An activated carbon filter 603 for removing odors of the exhaust gas passing through the scrubber 605 and a fan 700 for discharging the exhaust gas passed through the activated carbon filter 603 to the outside can do.

Referring to FIG. 1, in the flooded-type combustion evaporation system for treating wastewater according to an embodiment of the present invention, sludge generated in the first evaporator 100 and the second evaporator 200 flows through the pipes L2 and L4 ). ≪ / RTI >

Referring to FIG. 2, the present invention is a submerged combustion evaporation system for wastewater treatment according to another embodiment of the present invention.

Compared with the embodiment of FIG. 1, the embodiment of FIG. 2 further includes a microbubble generation and piping cleaner (MBG & PC) 401 located in the first heat exchanger 301 and the reservoir 501. The micro-bubble generation and piping cleaning apparatus 401 generates micro-bubbles and provides the micro-bubbles to the piping L11 into which the raw water flows into the first heat exchanger 301. [ In addition, the micro-bubble generation and piping cleaner 401 removes scales that may occur in the first heat exchanger 301 and the pipes through which the raw water flows.

The micro-bubble generation and piping cleaning device (MBG & PC) 401 is disclosed in Korean Patent Application No. 10-2014-0178734 filed by the present applicant (entitled " Piping Cleaning Using Impeller Device " System), for example.

2, the flooded-type combustion evaporation system for treating wastewater according to another embodiment of the present invention generates microbubbles (bubbles having a diameter of nano-size and / or micro-size) and provides them to the first evaporator 100 And a second micro-bubble generator (403) for generating and supplying micro-bubbles to the second evaporator (200). It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

The scope of the present invention should not be limited to the above-described embodiments, but should be determined by the scope of the appended claims and equivalents thereof.

100: first evaporator
102, 202:
200: Second evaporator
301, 303: heat exchanger
305: Cooling tower
401: Micro-bubble generation and piping cleaning device
403, 405: Micro bubble generator
501: Storage tank
503: Condensate storage tank
603: AC filter
605: Scrubber
700: Fan (FAN)

Claims (17)

In a submerged combustion evaporation system for wastewater treatment,
A first evaporator for receiving raw water and vaporizing and discharging the raw water by a flame;
A second evaporator for supplying raw water and vaporizing and discharging the raw water by a flame; And
And a first pipe (L5) positioned between the first evaporator and the second evaporator,
Wherein the exhaust gas evaporated and discharged from the first evaporator flows into the second evaporator through the first pipe L5. The method according to claim 1,
And the exhaust gas flowing into the second evaporator through the first pipe (L5) is used as fuel in the second evaporator. The method according to claim 1,
Wherein the second evaporator includes an injection section for injecting fuel gas and combustion air,
Wherein the exhaust gas flowing into the second evaporator through the first pipe (L5) flows into the injection unit, and the exhaust gas is burnt by the flame. The method of claim 3,
And a bypass pipe (L6) for providing a path through which the exhaust gas discharged from the first evaporator can move,
Wherein the bypass pipe (L6) is connected to a pipe (L10) through which exhaust gas vaporized by the second evaporator is exhausted. The method according to claim 1,
And a bypass pipe (L6) for providing a path through which the exhaust gas discharged from the first evaporator can move,
Wherein the bypass pipe (L6) is connected to a pipe (L10) through which exhaust gas vaporized by the second evaporator is exhausted. The method according to claim 4 or 5,
An on-off valve V3 is provided in the bypass pipe L6, an on-off valve V1 is provided in the first pipe L5,
When the on-off valve V3 is turned on and the on-off valve V1 is turned off, the exhaust gas discharged from the first evaporator is bypassed to the bypass pipe L6 instead of the first pipe L5 ≪ / RTI >
When the on-off valve V3 is turned off and the on-off valve V1 is turned on, the exhaust gas discharged from the first evaporator passes through the first pipe L6, not the bypass pipe L6, And the water is discharged from the water tank. The method according to claim 6,
A pipe L3 provided between the first evaporator and the second evaporator to provide a path through which part of the raw water present in the first evaporator can be moved to the second evaporator; And
Further comprising a pump (P2) located in the pipe (L3) for pumping a part of the raw water of the first evaporator to provide the pump to the second evaporator. 8. The method of claim 7,
A pipe L3 provided between the first evaporator and the second evaporator to provide a path through which part of the raw water present in the first evaporator can be moved to the second evaporator; And
Further comprising a pump (P2) located in the pipe (L3) for pumping a part of the raw water of the first evaporator to provide the pump to the second evaporator. 9. The method of claim 8,
A storage tank for temporarily storing raw water supplied to the first evaporator; And
A first heat exchanger positioned between the storage vessel and the first evaporator; Further comprising:
The raw water stored in the storage tank is supplied to the first evaporator through the first heat exchanger,
Wherein in the first heat exchanger, heat exchange is performed between exhaust gas discharged from the first evaporator or the second evaporator and raw water introduced from the storage tank. The method according to claim 1,
A storage tank for temporarily storing raw water supplied to the first evaporator; And
A first heat exchanger positioned between the storage vessel and the first evaporator; Further comprising:
The raw water stored in the storage tank is supplied to the first evaporator through the first heat exchanger,
Wherein in the first heat exchanger, heat exchange is performed between exhaust gas discharged from the first evaporator or the second evaporator and raw water introduced from the storage tank. 10. The method of claim 9,
Cooling tower; And
A second heat exchanger positioned between the first heat exchanger and the cooling tower; Further comprising:
In the second heat exchanger, heat exchange is performed between the cold water provided through the cooling tower and the exhaust gas flowing out through the first heat exchanger 12. The method of claim 11,
A condensate storage tank for storing the condensed water passing through the second heat exchanger;
A scrubber for receiving condensed water stored in the condensed water storage tank and spraying water into the exhaust gas to remove noxious gas;
An activated carbon filter for removing odors of the exhaust gas passing through the scrubber; And
And a fan for discharging the exhaust gas passed through the activated carbon filter to the outside. 10. The method of claim 9,
And a micro-bubble generating and piping cleaning device located in the first heat exchanger and the storage tank,
The micro-bubble generating and piping cleaning device generates minute bubbles and provides the micro-bubbles to a pipe L11 for providing a path through which raw water is moved from the storage tank to the first heat exchanger, and a scale generated in the first heat exchanger is removed Wherein the water-in-oil type combustion evaporation system for wastewater treatment comprises: 11. The method of claim 10,
And a micro-bubble generating and piping cleaning device located in the first heat exchanger and the storage tank,
The micro-bubble generating and piping cleaning device generates minute bubbles and provides the micro-bubbles to a pipe L11 for providing a path through which raw water is moved from the storage tank to the first heat exchanger, and a scale generated in the first heat exchanger is removed Wherein the water-in-oil type combustion evaporation system for wastewater treatment comprises: 15. The method of claim 14,
A first micro bubble generator for generating and supplying micro bubbles to the first evaporator; And
Further comprising a second micro-bubble generator for generating micro-bubbles in the second evaporator, and a second micro-bubble generator for generating micro-bubbles in the second evaporator. 14. The method of claim 13,
A first micro bubble generator for generating and supplying micro bubbles to the first evaporator; And
Further comprising a second micro-bubble generator for generating micro-bubbles in the second evaporator, and a second micro-bubble generator for generating micro-bubbles in the second evaporator. The method according to claim 1,
A first micro bubble generator for generating and supplying micro bubbles to the first evaporator; And
Further comprising a second micro-bubble generator for generating micro-bubbles in the second evaporator, and a second micro-bubble generator for generating micro-bubbles in the second evaporator.
KR1020150044191A 2015-03-30 2015-03-30 Submerged burner type wastewater treatment System KR101721137B1 (en)

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US11946642B2 (en) 2019-05-28 2024-04-02 Lg Chem, Ltd. Waste water incineration method and apparatus for the same

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