CN214095621U - Flue gas rapid cooling device - Google Patents
Flue gas rapid cooling device Download PDFInfo
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- CN214095621U CN214095621U CN202022262225.8U CN202022262225U CN214095621U CN 214095621 U CN214095621 U CN 214095621U CN 202022262225 U CN202022262225 U CN 202022262225U CN 214095621 U CN214095621 U CN 214095621U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
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Abstract
The utility model discloses a flue gas rapid cooling device, flue gas rapid cooling device includes inlet channel, wet-type quench tower, atomizing nozzle and heat exchanger, inlet channel is equipped with air inlet, first gas outlet and second gas outlet, wet-type quench tower includes the tower body, the cavity has in the tower body, wet-type quench tower with inlet channel links to each other with the intercommunication the cavity with first gas outlet, atomizing nozzle establishes be used for on the tower body to spray atomized water in the cavity, high temperature flue gas in the cavity be suitable for with atomized water carries out the heat exchange, the heat exchanger is equipped with first import and first export, and coolant is suitable for to pass through first import gets into the heat exchanger is inside and follows first export flows the heat exchanger. The utility model discloses a flue gas rapid cooling device has simple structure, and area is little, and high-efficient cooling effectively utilizes flue gas sensible heat and reduces the characteristics of export flue gas water content.
Description
Technical Field
The utility model relates to a flue gas cooling technology field specifically relates to a flue gas rapid cooling device.
Background
Waste residues, dust, sludge and other solid wastes generated in the industrial production process are reduced and harmlessly treated mainly by adopting heat treatment modes such as incineration, smelting and the like at present. High-temperature flue gas generated in the heat treatment process needs to be treated by a quenching cooling device, so that the generation of harmful substances such as dioxin is inhibited.
At present, a quenching tower mainly adopts a gas-liquid heat exchange mode, atomized water is sprayed out through a spray gun at the top of the tower and is fully contacted with high-temperature flue gas, the atomized water reaches a saturation temperature instantly and is evaporated, the temperature of the high-temperature flue gas is rapidly reduced to be below 200 ℃, and finally the atomized water and steam are discharged from the bottom of the quenching tower together. The mode can effectively and rapidly cool the high-temperature flue gas, but the sensible heat of the high-temperature flue gas cannot be fully utilized, meanwhile, the flue gas water content of the industrial solid waste heat treatment is high (the initial water content can reach more than 30%), the flue gas water content can reach more than 40% after passing through the quench tower, the flue gas with high water content is extremely easy to condense, the subsequent bag-distributing dust collector is pasted with a bag, and acidic substances such as sulfur, chlorine, fluorine and the like contained in the flue gas can also cause the problems that the quench tower and the subsequent environmental-friendly equipment are corroded due to the condensation of the flue gas and the like.
SUMMERY OF THE UTILITY MODEL
The present invention aims at solving at least one of the technical problems in the related art to a certain extent.
Therefore, the embodiment of the utility model provides a high-efficient cooling, retrieve sensible heat, simple structure, safe and reliable's flue gas rapid cooling device.
The flue gas quenching device comprises an air inlet pipeline, a wet quenching tower, an atomizing nozzle and a heat exchanger, wherein the air inlet pipeline is provided with an air inlet, a first air outlet and a second air outlet, and high-temperature flue gas is suitable for entering the air inlet pipeline through the air inlet and flowing out of the air inlet pipeline from the first air outlet and the second air outlet; the wet quenching tower comprises a tower body, a cavity is arranged in the tower body, the wet quenching tower is connected with the gas inlet pipeline to communicate the cavity with the first gas outlet, and high-temperature flue gas flowing out of the first gas outlet is suitable for entering the cavity; the atomizing nozzle is arranged on the tower body and used for spraying atomized water into the cavity, and high-temperature flue gas in the cavity is suitable for heat exchange with the atomized water; the heat exchanger is provided with a first inlet and a first outlet, a cooling medium is suitable for entering the heat exchanger through the first inlet and flowing out of the heat exchanger from the first outlet, the heat exchanger is connected with the air inlet pipeline to communicate the inside of the heat exchanger with the second air outlet, and high-temperature flue gas flowing out of the second air outlet is suitable for entering the inside of the heat exchanger and exchanging heat with the cooling medium in the heat exchanger.
According to the utility model discloses flue gas rapid cooling device cools down high temperature flue gas simultaneously through wet-type quench tower and heat exchanger, simple structure can rapid cooling, cools down in getting into the heat exchanger because of part high temperature flue gas simultaneously, and wet-type quench tower cooling water consumption reduces, effectively reduces the water content of exhaust flue gas, and the heat exchanger can utilize coolant and high temperature flue gas to carry out the heat exchange, effectively absorbs the sensible heat. Moreover, the utility model discloses flue gas rapid cooling device area is little, can arrange in a flexible way, is favorable to follow-up facility to lay.
In some embodiments, the flue gas quenching apparatus further comprises a gas outlet pipe, the gas outlet pipe comprises a first gas outlet pipe and a second gas outlet pipe, the first gas outlet pipe is connected to the tower body to communicate the inside of the first gas outlet pipe with the chamber, the first gas outlet pipe is adapted to discharge flue gas subjected to heat exchange with the atomized water from the chamber, the second gas outlet pipe is connected to the heat exchanger to communicate the inside of the second gas outlet pipe with the inside of the heat exchanger, and the second gas outlet pipe is adapted to discharge flue gas subjected to heat exchange with the cooling medium from the inside of the heat exchanger.
In some embodiments, the air outlet pipe further includes a first connecting pipe, and the first connecting pipe is connected to the first air outlet pipe and the second air outlet pipe respectively to communicate the first air outlet pipe and the second air outlet pipe.
In some embodiments, the heat exchanger is disposed adjacent to a top end of the tower body in an up-down direction, the second outlet duct is located above the first outlet duct, and at least a portion of the first outlet duct extends upward from a lower end of the tower body.
In some embodiments, an extending direction of the first air outlet pipeline forms an included angle with a length direction of the tower body.
In some embodiments, the heat exchanger is further provided with a second inlet and a second outlet, the second inlet is communicated with the second air outlet, and the interior of the heat exchanger is communicated with the interior of the second air outlet pipeline through the second outlet.
In some embodiments, the flue gas quench unit further comprises a second connecting conduit connected to the inlet conduit and the heat exchanger to communicate the second gas outlet and the second inlet.
In some embodiments, the flue gas quenching device further comprises a regulating valve, and the regulating valve is arranged in the second connecting pipeline and is used for controlling the amount of the high-temperature flue gas flowing out of the second gas outlet.
In some embodiments, the tower body comprises a conical section, a cylindrical section and an inverted conical section which are sequentially connected from top to bottom, the upper end of the conical section is connected with the air inlet pipeline, and the atomizing nozzle is arranged on the conical section.
In some embodiments, the wet quench tower and the inlet duct are both made of a corrosion resistant material.
Drawings
FIG. 1 is a front view of a flue gas quenching apparatus.
FIG. 2 is a top view of a flue gas quench apparatus configuration.
Fig. 3 is a schematic structural diagram of a rotary heat exchanger.
Reference numerals:
the gas inlet pipe comprises a gas inlet pipeline 1, a gas inlet 11, a first gas outlet 12, a second gas outlet 13, a wet quenching tower 2, a tower body 21, a chamber 22, a conical section 23, a cylindrical section 24, an inverted conical section 25, an atomizing nozzle 3, a heat exchanger 4, a first inlet 41, a first outlet 42, a second inlet 43, a second outlet 44, a gas outlet pipeline 5, a first gas outlet pipeline 51, a second gas outlet pipeline 52, a first connecting pipeline 53, a second connecting pipeline 6 and a regulating valve 7.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
A flue gas quenching apparatus according to an embodiment of the present invention is described below with reference to the drawings.
As shown in fig. 1-3, the flue gas quenching device according to the embodiment of the present invention comprises: an air inlet pipeline 1, a wet quenching tower 2, an atomizing nozzle 3 and a heat exchanger 4.
The air inlet pipeline 1 is provided with an air inlet 11, a first air outlet 12 and a second air outlet 13, and high-temperature flue gas is suitable for entering the air inlet pipeline 1 through the air inlet 11 and flowing out of the air inlet pipeline 1 from the first air outlet 12 and the second air outlet 13.
The wet type quenching tower 2 comprises a tower body 21, a chamber 22 is arranged in the tower body 21, the wet type quenching tower 2 is connected with the gas inlet pipeline 1 to communicate the chamber 22 with the first gas outlet 12, and the high-temperature flue gas flowing out from the first gas outlet 12 is suitable for entering the chamber 22. The atomizing nozzle 3 is arranged on the tower body 21 and used for spraying atomized water into the chamber 22, and high-temperature flue gas in the chamber 22 is suitable for heat exchange with the atomized water.
The heat exchanger 4 is provided with a first inlet 41 and a first outlet 42, the cooling medium being adapted to enter the interior of the heat exchanger 4 through the first inlet 41 and to leave the heat exchanger 4 through the first outlet 42. The heat exchanger 4 is connected with the air inlet pipeline 1 to communicate the inside of the heat exchanger 4 with the second air outlet 13, and high-temperature flue gas flowing out of the second air outlet 13 is suitable for entering the inside of the heat exchanger 4 and exchanging heat with a cooling medium in the heat exchanger 4.
In other words, high temperature flue gas enters the air inlet duct 1 by passing through the air inlet 11 and exits the air inlet duct 1 from the first and second air outlets 12 and 13, respectively. Wherein, the high-temperature flue gas flowing out from the first gas outlet 12 enters the tower body 21 of the wet quenching tower 2 and exchanges heat with atomized water sprayed out by the atomizing nozzle 3 to be cooled; high temperature flue gas from second gas outlet 13 outflow gets into inside heat exchanger 4, carries out the heat exchange with the inside coolant of heat exchanger 4 and cools off, and high temperature flue gas gets into in wet-type quench tower 2 and the heat exchanger 4 simultaneously and cools off, and efficiency is higher.
According to the utility model discloses flue gas rapid cooling device, wet-type quench tower 2 and heat exchanger 4 cool down the high temperature flue gas simultaneously, simple structure can rapid cooling, simultaneously because of cooling down in partial high temperature flue gas gets into heat exchanger 4, and the water consumption of wet-type quench tower 2 cooling reduces, effectively reduces the water content of exhaust flue gas, and heat exchanger 4 can utilize coolant and high temperature flue gas to carry out the heat exchange, effectively absorbs the sensible heat. Moreover, the utility model discloses flue gas rapid cooling device area is little, can arrange in a flexible way, is favorable to follow-up facility to lay.
In some embodiments, the flue gas chilling apparatus further comprises an outlet duct 5, the outlet duct 5 comprising a first outlet duct 51 and a second outlet duct 52. The first gas outlet pipe 51 is connected with the tower body 21 to communicate the inside of the first gas outlet pipe 51 with the chamber 22, and the first gas outlet pipe 51 is suitable for discharging the flue gas subjected to heat exchange with the atomized water from the chamber 22. The second outlet duct 52 is connected to the heat exchanger 4 to communicate the inside of the second outlet duct 52 with the inside of the heat exchanger 4, and the second outlet duct 52 is adapted to discharge the flue gas, which has undergone heat exchange with the cooling medium, from the inside of the heat exchanger 4.
The first air outlet pipe 51 and the second air outlet pipe 52 can rapidly discharge the flue gas subjected to heat exchange from the chamber 22 and the inside of the heat exchanger 4, and simultaneously can prevent the flue gas from escaping to pollute the environment.
In some embodiments, outlet pipe 5 further includes a first connection pipe 53, and first connection pipe 53 is connected to first outlet pipe 51 and second outlet pipe 52 to communicate first outlet pipe 51 and second outlet pipe 52, respectively.
First connecting pipe 53 gathers first outlet pipe 51 and second outlet pipe 52 to the same pipeline, and the operation of the subsequent handling of being convenient for can promote flue gas exhaust speed.
In some embodiments, the heat exchanger 4 is disposed adjacent to the top end of the tower body 21 in the up-down direction, the second outlet duct 52 is located above the first outlet duct 51, and at least a portion of the first outlet duct 51 extends upward from the lower end of the tower body 21.
The high-temperature flue gas flows from top to bottom in the heat exchanger 4 and exchanges heat with a cooling medium flowing from bottom to top in the heat exchanger 4, sensible heat of the high-temperature flue gas can be effectively utilized, the cooled flue gas is discharged through the second gas outlet pipeline 52, after the high-temperature flue gas is fully contacted with atomized water sprayed by the atomizing nozzle 3 in the tower body 21, water vapor formed by the cooled flue gas and the atomized water is simultaneously discharged from the first gas outlet pipeline 51, at least part of the first gas outlet pipeline 51 extends upwards from the lower end of the tower body 21, and partial water vapor can be condensed on the inner wall of the pipeline, so that the water content of the flue gas is reduced.
In some embodiments, the first outlet pipe 51 extends at an angle to the length direction of the tower 21.
The first air outlet pipe 51 extends obliquely upwards, the extending direction and the length direction of the tower body 21 are in a V shape, the inclination angle of the first air outlet pipe 51 can prevent dust accumulation of the pipe, and liquid formed by condensation on the inner wall of the pipe flows downwards, so that the phenomenon that the pipe is blocked by attachments formed by the dust accumulation is avoided.
In some embodiments, the heat exchanger 4 is further provided with a second inlet 43 and a second outlet 44, the second inlet 43 is communicated with the second air outlet 13, and the inside of the heat exchanger 4 is communicated with the inside of the second air outlet pipeline 52 through the second outlet 44. The high-temperature flue gas flows out of the second gas outlet 13 and then enters the heat exchanger 4 through the second inlet 43 to exchange heat with the cooling medium in the heat exchanger 4, and the cooled flue gas flows out of the second outlet 44 and is discharged out of the heat exchanger 4 through the second gas outlet pipeline 52.
As shown in fig. 3, the high-temperature flue gas flowing out from the second outlet 13 enters the heat exchanger 4 through the second inlet 43 from top to bottom, exchanges heat with the cooling medium flowing in the heat exchanger 4 from bottom to top, then flows out from the second outlet 44, the cooling medium enters the heat exchanger 4 through the first inlet 41 from bottom to top, exchanges heat with the high-temperature flue gas, and then flows out from the first outlet 42 for other uses.
In some embodiments, the flue gas quenching apparatus further comprises a second connecting conduit 6, and the second connecting conduit 6 is connected with the gas inlet conduit 1 and the heat exchanger 4 to communicate the second gas outlet 13 and the second inlet 43. The second connecting pipeline 6 connects the air inlet pipeline 1 and the heat exchanger 4, so that high-temperature flue gas flows into the heat exchanger 4 from the air inlet pipeline 1.
In some embodiments, the flue gas quenching apparatus further comprises a regulating valve 7, and the regulating valve 7 is arranged on the second connecting pipe 6 and used for controlling the amount of the high-temperature flue gas flowing out of the second gas outlet 13.
The flue gas rapid cooling device of this embodiment can control the volume that high temperature flue gas got into heat exchanger 4 through the governing valve 7 degree of opening and shutting that adjusts the setting.
In some embodiments, the tower body 21 includes a conical section 23, a cylindrical section 24 and an inverted conical section 2523 connected in sequence from top to bottom, the upper end of the conical section 23 is connected to the air inlet pipe 1, and the atomizing nozzle 3 is disposed on the conical section 23. The inverted conical section 2523 is provided with an ash hopper (not shown in the drawings) for collecting the fly ash entrained in the flue gas in the wet quenching tower 2, and the first gas outlet pipe 51 extends from the inverted conical section 2523 to connect with the first connecting pipe 53.
In some embodiments, the wet quenching tower 2 and the air inlet pipe 1 are made of corrosion-resistant materials, so as to avoid corrosion caused by dew condensation of flue gas.
The flue gas chilling apparatus of some specific examples of the present invention is described below with reference to fig. 1-3.
As shown in fig. 1 to 3, the flue gas quenching apparatus according to the embodiment of the present invention includes an inlet duct 1, a wet quenching tower 2, an atomizing nozzle 3, a heat exchanger 4, and an outlet duct 5.
The air inlet pipeline 1 comprises an air inlet 11, a first air outlet 12 and a second air outlet 13, and high-temperature flue gas enters the air inlet pipeline 1 through the air inlet 11 and flows out of the air inlet pipeline 1 from the first air outlet 12 and the second air outlet 13. Outlet pipe 5 includes a first outlet pipe 51, a second outlet pipe 52, and a first connection pipe 53.
The wet quenching tower 2 comprises a tower body 21, as shown in fig. 1, the tower body 21 is sequentially provided with a conical section 23, a cylindrical section 24 and an inverted conical section 2523 from top to bottom, the upper end of the conical section 23 is connected with the gas inlet pipeline 1, so that a chamber 22 in the tower body 21 is communicated with the first gas outlet 12, and high-temperature flue gas flowing out from the first gas outlet 12 enters the chamber 22. The conical section 23 is provided with an atomizing nozzle 3, the atomizing nozzle 3 sprays atomized water into the chamber 22, and high-temperature flue gas entering the chamber 22 exchanges heat with the atomized water. An ash bucket (not shown) for collecting fly ash wrapped by flue gas is arranged at the bottom of the inverted cone-shaped section 2523 of the tower body 21, the ash bucket is connected with the first air outlet pipeline 51, the first air outlet pipeline 51 extends obliquely upwards, the extending direction of the first air outlet pipeline and the length direction of the tower body 21 are in a V shape, the cooled flue gas is subjected to condensation in the first air outlet pipeline 51 and then flows downwards into the bottom of the tower body 21, and the first air outlet pipeline 51 extends to the first connecting pipeline 53 and is connected with the first connecting pipeline 53.
The heat exchanger 4 is disposed adjacent to the top end of the tower body 21 in the up-down direction. As shown in fig. 2, a second connecting pipeline 6 is further disposed between the heat exchanger 4 and the air inlet pipeline, and the second connecting pipeline 6 is connected with the air inlet pipeline 1 and the heat exchanger 4 to communicate the second air outlet 13 and the second inlet 43. The second connecting pipeline 6 is internally provided with a regulating valve 7, and the amount of the high-temperature flue gas entering the heat exchanger 4 can be controlled by regulating the opening degree of the regulating valve 7.
The heat exchanger 4 is provided with a first inlet 41, a first outlet 42, a second inlet 43 and a second outlet 44. As shown in fig. 3, the cooling medium enters the heat exchanger 4 through the first inlet 41 from bottom to top and flows out of the heat exchanger 4 through the first outlet 42, the high-temperature flue gas enters the air inlet duct 1 through the air inlet 11 and flows out of the air inlet duct 1 from the second air outlet 13, the high-temperature flue gas enters the heat exchanger 4 through the second inlet 43 from top to bottom, the high-temperature flue gas exchanges heat with the cooling medium inside the heat exchanger 4, and the cooled flue gas is discharged into the second air outlet duct 52 through the second outlet 44. As shown in fig. 1, second air outlet pipe 52 extends downward and is connected to first connecting pipe 53, and first connecting pipe 53 collects first air outlet pipe 51 and second air outlet pipe 52 into the same pipe, so as to facilitate the operation of the subsequent processes and increase the exhaust speed of the flue gas.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (10)
1. A flue gas quenching device, comprising:
the high-temperature flue gas enters the air inlet pipeline through the air inlet and flows out of the air inlet pipeline from the first air outlet and the second air outlet;
the wet quenching tower comprises a tower body, a cavity is arranged in the tower body, the wet quenching tower is connected with the air inlet pipeline to communicate the cavity with the first air outlet, and high-temperature flue gas flowing out of the first air outlet is suitable for entering the cavity;
the atomizing nozzle is arranged on the tower body and used for spraying atomized water into the cavity, and high-temperature flue gas in the cavity is suitable for carrying out heat exchange with the atomized water;
the heat exchanger is provided with a first inlet and a first outlet, a cooling medium is suitable for entering the heat exchanger through the first inlet and flowing out of the heat exchanger from the first outlet, the heat exchanger is connected with the air inlet pipeline to communicate the inside of the heat exchanger with the second air outlet, and high-temperature flue gas flowing out of the second air outlet is suitable for entering the inside of the heat exchanger and exchanging heat with the cooling medium in the heat exchanger.
2. The flue gas quenching device according to claim 1, further comprising a gas outlet pipe, wherein the gas outlet pipe comprises a first gas outlet pipe and a second gas outlet pipe, the first gas outlet pipe is connected to the tower body to communicate the inside of the first gas outlet pipe with the chamber, the first gas outlet pipe is adapted to discharge flue gas subjected to heat exchange with the atomized water from the chamber, the second gas outlet pipe is connected to the heat exchanger to communicate the inside of the second gas outlet pipe with the inside of the heat exchanger, and the second gas outlet pipe is adapted to discharge flue gas subjected to heat exchange with the cooling medium from the inside of the heat exchanger.
3. The flue gas quenching device according to claim 2, wherein the gas outlet pipe further comprises a first connecting pipe, and the first connecting pipe is connected to the first gas outlet pipe and the second gas outlet pipe respectively to communicate the first gas outlet pipe and the second gas outlet pipe.
4. The flue gas quench apparatus of claim 2, wherein the heat exchanger is disposed adjacent a top end of the tower in an up-down direction, the second gas outlet duct is located above the first gas outlet duct, and at least a portion of the first gas outlet duct extends upwardly from a lower end of the tower.
5. The flue gas quenching device as claimed in claim 2, wherein the extending direction of the first outlet pipe forms an angle with the length direction of the tower body.
6. The flue gas quenching device as claimed in claim 2, wherein the heat exchanger further comprises a second inlet and a second outlet, the second inlet is communicated with the second gas outlet, and the interior of the heat exchanger is communicated with the interior of the second gas outlet pipe through the second outlet.
7. The flue gas chilling apparatus according to claim 6, further comprising a second connecting duct connected to the inlet duct and the heat exchanger to communicate the second gas outlet and the second inlet.
8. The flue gas quenching device as claimed in claim 7, further comprising a regulating valve disposed in the second connecting pipe for controlling the amount of high temperature flue gas flowing out from the second outlet.
9. The flue gas quenching device according to any one of claims 1 to 8, wherein the tower body comprises a conical section, a cylindrical section and an inverted conical section which are connected in sequence from top to bottom, the upper end of the conical section is connected with the gas inlet pipe, and the atomizing nozzle is arranged on the conical section.
10. The flue gas quench device according to any of claims 1-8, characterized in that both the wet quench tower and the inlet duct are made of corrosion resistant material.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022262225.8U CN214095621U (en) | 2020-10-12 | 2020-10-12 | Flue gas rapid cooling device |
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| CN202022262225.8U CN214095621U (en) | 2020-10-12 | 2020-10-12 | Flue gas rapid cooling device |
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