CN212429046U - Waste gas cooling device - Google Patents
Waste gas cooling device Download PDFInfo
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- CN212429046U CN212429046U CN202021564603.1U CN202021564603U CN212429046U CN 212429046 U CN212429046 U CN 212429046U CN 202021564603 U CN202021564603 U CN 202021564603U CN 212429046 U CN212429046 U CN 212429046U
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Abstract
The utility model relates to a waste gas treatment technical field discloses a waste gas cooling device. This waste gas cooling device includes the cooler bin, the cooler tube subassembly, spray set and defroster, wherein, first coolant liquid has been held to the bottom in the cooler bin, be provided with air inlet and the gas outlet of mutual intercommunication on the cooler bin, the air inlet sets up the lateral wall at the cooler bin, and be located the top of first coolant liquid, the gas outlet sets up the upper portion at the cooler bin, be used for communicateing the compressor, the cooler tube subassembly has set gradually between air inlet and gas outlet, spray set and defroster, the inside second coolant liquid that is provided with of cooler tube subassembly, spray set can spray the third coolant liquid downwards, through first coolant liquid, waste gas after cooler tube subassembly and the spray set cooling can get into the compressor after through defroster gas-liquid separation. This exhaust gas cooling device can fully cool off waste gas, improves heat exchange efficiency and reduces equipment area.
Description
Technical Field
The utility model relates to an exhaust-gas treatment technical field especially relates to an exhaust gas cooling device.
Background
Under the current increasingly strict emission control, the dual-fuel engine is more and more favored by the market, in order to reduce the energy consumption in the gas mode, reduce the methane escape rate and improve the combustion stability, a part of the exhaust gas discharged by the engine needs to be treated and then be reintroduced into the compressor, but if the compressor sucks the gas with too high temperature, the exhaust gas amount is reduced, the compressor also has damage, and therefore the exhaust gas needs to be sufficiently cooled before entering the compressor.
Waste gas cooling device among the prior art includes the box usually and sets up the spray assembly in the box, high temperature waste gas gets into behind the box, spray assembly sprays liquid through spraying, make spray liquid and the cooling of high temperature waste gas contact realization waste gas, and simultaneously, spray liquid cools off through the heat exchanger, coolant liquid in the heat exchanger uses the sea water usually, adopt this kind of mode, the heat exchange efficiency is low, the cooling effect is not good, in order to improve heat exchange efficiency, need set up a plurality of spray assemblies and a plurality of heat exchanger respectively at spray assembly to waste gas refrigerated stage and sea water to the stage of spraying the liquid cooling, cause equipment occupation of land space big.
SUMMERY OF THE UTILITY MODEL
Based on above, the utility model aims at providing an exhaust gas cooling device can carry out a lot of cooling to waste gas, and cooling efficiency is higher and equipment occupation of land space is less.
In order to achieve the purpose, the utility model adopts the following technical proposal:
the waste gas cooling device comprises a cooling box, and a cooling pipe assembly, a spraying assembly and a demister which are arranged in the cooling box;
the cooling box is internally provided with a first cooling liquid at the bottom, the cooling box is provided with an air inlet and an air outlet which are communicated with each other, the air inlet is arranged on the side wall of the cooling box and is positioned above the liquid level of the first cooling liquid, and the air outlet is arranged at the upper part of the cooling box and is used for being communicated with a compressor;
the cooling pipe assembly, the spraying assembly and the demister are sequentially arranged between the air inlet and the air outlet from bottom to top;
a second cooling liquid is arranged inside the cooling pipe assembly;
the spray assembly can spray a third cooling liquid downwards;
the waste gas cooled by the first cooling liquid, the cooling pipe assembly and the spraying assembly can enter the compressor after being subjected to gas-liquid separation by the demister.
As a preferable mode of the exhaust gas cooling device, the cooling pipe assembly includes a cooling coil spirally distributed in a vertical direction inside the cooling tank.
As a preferable mode of the exhaust gas cooling device, there is a plurality of the cooling coils, and the plurality of the cooling coils are parallel to each other in the horizontal direction and are spaced apart from each other.
As a preferred scheme of the exhaust gas cooling device, the spray assembly comprises a main spray pipe and a plurality of first nozzles, the main spray pipe is arranged inside the cooling tank, and the plurality of first nozzles are arranged at intervals along the axial direction of the main spray pipe and are communicated with the main spray pipe.
As a preferred scheme of the exhaust gas cooling device, the spray assembly further comprises a second nozzle and a plurality of spray branch pipes, the plurality of spray branch pipes are arranged on the spray main pipe at intervals along the axial direction of the spray main pipe and are communicated with the spray main pipe, the second nozzle is arranged on each spray branch pipe, and the second nozzles are communicated with the corresponding spray branch pipes.
As a preferred scheme of the exhaust gas cooling device, the spraying assembly further comprises a plurality of partition plates, the partition plates are located below the spraying main pipe, the partition plates are arranged at intervals along the axial direction of the spraying main pipe, and each partition plate is located between two adjacent spraying branch pipes.
In a preferred embodiment of the exhaust gas cooling device, the intake port communicates with an intake pipe, and the intake pipe is inclined toward the bottom of the cooling tank.
As a waste gas cooling device's preferred scheme, still include the air current equipartition board, the air current equipartition board sets up the air inlet with between the cooling tube subassembly, be provided with the wind hole on the air current equipartition board, the aperture in wind hole reduces according to keeping away from the direction of air inlet in proper order.
As a preferred scheme of the exhaust gas cooling device, the exhaust gas cooling device further comprises a circulation assembly, wherein the circulation assembly comprises a circulation pipeline and a circulation water pump, one end of the circulation pipeline is communicated with the cooling tank, the other end of the circulation pipeline is communicated with an inlet of the spraying assembly, the circulation water pump is arranged on the circulation pipeline, and the circulation assembly can guide the first cooling liquid into the spraying assembly.
As a preferable mode of the exhaust gas cooling device, a heat exchanger is further connected to the circulation line.
The utility model has the advantages that:
the utility model provides a waste gas cooling device, this waste gas cooling device includes the cooler bin, the cooling tube subassembly, spray assembly and defroster, high temperature waste gas gets into the cooler bin through the air inlet, the first cooling liquid contact that holds with the bottom in the cooler bin carries out the primary cooling, waste gas after the primary cooling moves up the in-process, carry out the heat transfer with the inside cooler bin subassembly that is provided with the second coolant liquid, in order to realize the secondary cooling, waste gas can also carry out the tertiary cooling through the third coolant liquid that spray assembly sprayed downwards, thereby make high temperature waste gas obtain abundant cooling before getting into the compressor, the cooling effect is better; the spray assembly is arranged above the cooling pipe assembly, and the third cooling liquid sprayed downwards by the spray assembly can be cooled and cleaned simultaneously in the process of falling to the bottom of the cooling box, so that the heat exchange effect of the cooling pipe assembly is ensured, and the surface of the cooling pipe assembly can be prevented from being slag; through set up the defroster between spray assembly and gas outlet, the waste gas after accomplishing the cooling can be through the liquid droplet separation in the defroster with waste gas before getting into the compressor, can prevent that the liquid droplet from entering into the compressor in, harm the valve block and the power part of compressor. Compared with the prior art, the waste gas cooling device reduces the spraying amount of circulating cooling water, saves energy consumption and reduces the occupied space of equipment by additionally arranging the first cooling liquid and the cooling pipe assembly.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an exhaust gas cooling device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a spray assembly of an exhaust gas cooling device according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an airflow uniform distribution plate of an exhaust gas cooling device according to an embodiment of the present invention.
In the figure:
1-a cooling box; 11-an air inlet; 12-air outlet; 13-a first cooling liquid; 14-an air inlet pipe;
2-a cooling tube assembly; 21-a cooling coil; 22-a first cooling tube; 23-a second cooling tube;
3-a spray assembly; 31-spraying main pipe; 32-a first nozzle; 33-spray branch pipes; 34-a second nozzle; 35-a separator;
4-a demister;
5-an air flow uniform distribution plate; 51-wind holes;
6-a circulation assembly; 61-a recycle line; 62-a circulating water pump;
7-a heat exchanger; 71-a fourth coolant inlet; 72-fourth cooling liquid outlet.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
As shown in fig. 1, the present embodiment provides an exhaust gas cooling device, which includes a cooling box 1, and a cooling tube assembly 2, a spray assembly 3 and a demister 4 arranged in the cooling box 1, wherein a first cooling liquid 13 is contained in the bottom of the cooling box 1, an air inlet 11 and an air outlet 12 which are communicated with each other are arranged on the cooling box 1, the air inlet 11 is arranged on the side wall of the cooling box 1 and is located above the liquid level of the first cooling liquid 13, and the air outlet 12 is arranged on the upper portion of the cooling box 1 and is used for communicating with a compressor; a cooling pipe assembly 2, a spraying assembly 3 and a demister 4 are sequentially arranged between the air inlet 11 and the air outlet 12 from bottom to top; a second cooling liquid is arranged inside the cooling pipe assembly 2; the spray assembly 3 can spray the third cooling liquid downwards; the waste gas cooled by the first cooling liquid 13, the cooling pipe assembly 2 and the spray assembly 3 can enter the compressor after gas-liquid separation by the demister 4. Preferably, the mist eliminator 4 is a tubular mist eliminator, which effectively removes liquid droplets and prevents clogging. Of course, in other embodiments, the demister 4 may also be another type of demister equipment capable of separating gas and liquid from exhaust gas, and the application is not limited in this application.
The waste gas cooling device provided by the embodiment comprises a cooling box 1, a cooling pipe assembly 2, a spraying assembly 3 and a demister 4, wherein high-temperature waste gas enters the cooling box 1 through an air inlet 11 and is in contact with first cooling liquid 13 contained at the bottom in the cooling box 1 for primary cooling, and in the process that the waste gas after primary cooling moves upwards, the waste gas is subjected to heat exchange with the cooling pipe assembly 2 internally provided with second cooling liquid so as to realize secondary cooling; by arranging the spray assembly 3 above the cooling pipe assembly 2, the third cooling liquid sprayed downwards by the spray assembly 3 can cool and clean the cooling pipe assembly 2 simultaneously in the process of falling to the bottom of the cooling tank 1, so that the heat exchange effect of the cooling pipe assembly 2 is ensured, and the surface of the cooling pipe assembly 2 can be prevented from being slag; through set up defroster 4 between spray assembly 3 and gas outlet 12, the waste gas after accomplishing the cooling can be through the liquid droplet separation in defroster 4 with the waste gas before getting into the compressor, can prevent that the liquid droplet from entering into the compressor in, harm the valve block and the power part of compressor. Compared with the prior art, the waste gas cooling device reduces the spraying amount of circulating cooling water, saves energy consumption and reduces the occupied space of equipment by additionally arranging the first cooling liquid 13 and the cooling pipe assembly 2.
Specifically, the intake port 11 communicates with an intake pipe 14, the intake pipe 14 is inclined toward the bottom of the cooling box 1, the intake pipe 14 communicates with an exhaust gas discharge port of the engine, and the intake pipe 14 is used to introduce exhaust gas discharged from the engine into the interior of the cooling box 1. Through setting up intake pipe 14 to the bottom slope of orientation cooler bin 1, can avoid the direct impact cooler bin 1 tank wall of air current, reduce the pressure loss, also enable the waste gas that gets into cooler bin 1 as much as possible the contact hold the first coolant liquid 13 of bottom in cooler bin 1, improve the heat transfer effect. Preferably, the air inlet pipe 14 of the present embodiment is inclined toward the bottom of the cooling tank 1 by 5-10 °, and in other embodiments, the inclination angle of the air inlet pipe 14 may be adjusted according to the air inlet speed and the distance from the liquid surface of the first cooling liquid 13 to the air inlet 11.
Further, the cooling tube assembly 2 includes a cooling coil 21, and the cooling coil 21 is spirally distributed in the interior of the cooling box 1 along the vertical direction. Preferably, the number of the cooling coils 21 is plural, and the plural cooling coils 21 are parallel and spaced apart in the horizontal direction. Through setting up cooling coil 21 spiral and interval distribution, can increase the area of contact of cooling coil 21 and waste gas, improve the cooling effect.
In the present embodiment, since the exhaust gas cooling device is generally applied to a ship, the second cooling liquid provided in the cooling coil 21 of the exhaust gas cooling device is generally seawater, which is convenient for taking water and has a sufficient amount of seawater. Of course, in other embodiments, the second cooling liquid in the cooling coil 21 may also be other liquids capable of achieving a cooling effect, and the application is not limited thereto.
Preferably, the cooling tube assembly 2 further includes a first cooling tube 22 and a second cooling tube 23, an outlet of the first cooling tube 22 is connected to inlets of the plurality of cooling coils 21, an inlet of the second cooling tube 23 is connected to outlets of the plurality of cooling coils 21, and the second cooling fluid enters the cooling tube assembly 2 through the inlet of the first cooling tube 22 and then is discharged through the outlet of the second cooling tube 23, so as to circulate the second cooling fluid. By arranging the first cooling pipe 22 and the second cooling pipe 23, the installation space is saved, the heat exchange area is increased, and the cooling effect is enhanced.
Fig. 2 is a schematic structural diagram of a spray assembly of the exhaust gas cooling device provided by the embodiment of the present invention, as shown in fig. 2, the spray assembly 3 includes a main spray pipe 31 and a plurality of first nozzles 32, and the plurality of first nozzles 32 are arranged along the axial interval of the main spray pipe 31 and are all communicated with the main spray pipe 31. Preferably, the first nozzle 32 is a straight hollow conical nozzle, and the third cooling liquid is sprayed downwards to cool the exhaust gas in a contact manner.
Further, the spray assembly 3 further includes a second nozzle 34 and a plurality of spray branch pipes 33, the plurality of spray branch pipes 33 are arranged on the spray main pipe 31 at intervals along the axial direction of the spray main pipe 31 and are communicated with the spray main pipe 31, each spray branch pipe 33 is provided with a second nozzle 34, and the second nozzles 34 are communicated with the corresponding spray branch pipes 33.
Preferably, a plurality of spray branch pipes 33 are arranged on both sides of the main spray pipe 31, in this embodiment, the spray branch pipes 33 distributed on both sides of the main spray pipe 31 are arranged in alignment, and the second spray nozzles 34 arranged on each spray branch pipe 33 are linear hollow conical nozzles.
Of course, in other embodiments, the branch spray pipes 33 distributed on both sides of the main spray pipe 31 may also be arranged in a staggered manner, and the second nozzles 34 arranged on each branch spray pipe 33 are spiral hollow nozzles, so that centers of every two adjacent second nozzles 34 respectively located on the branch spray pipes 33 on both sides of the main spray pipe 31 are ensured to be on the same straight line, and the third cooling liquid sprayed on both sides of the main spray pipe 31 is uniformly distributed.
In order to save economic cost, preferably, only one second nozzle 34 is arranged on each spray branch pipe 33, the second nozzle 34 is positioned at one end of each spray branch pipe 33 far away from the spray main pipe 31, the sizes of the plurality of spray branch pipes 33 are not completely the same, the spray branch pipes 33 with different sizes are arranged in a staggered mode, so that sprayed third cooling liquid is uniformly distributed, the spray range is wide, and further, the waste gas is contacted with the third cooling liquid as much as possible, and the heat exchange efficiency is improved.
It should be noted that both the vortex hollow nozzle and the linear hollow nozzle are prior art, and the detailed description thereof is omitted.
In this embodiment, the one end of keeping away from the main pipe 31 entry that sprays is provided with the fixed bolster, and the fixed bolster is fixed in the inner wall of cooler bin 1 through welding or bolted connection's mode, and the both sides of spraying the main pipe 31 still are provided with respectively and are on a parallel with the branch pipe support that sprays the main pipe 31, and the inner wall of cooler bin 1 is fixed in through welding or bolted connection's mode in branch pipe support both ends, and spray branch pipe 33 is fixed in on the branch pipe support of corresponding side, stabilizes spray branch pipe 33 through the branch pipe support.
Further, in order to prevent the third cooling liquid sprayed by the spraying assembly 3 from being uneven due to the jolt of the ship during operation, the spraying assembly 3 further comprises a plurality of partition plates 35, the partition plates 35 are located below the main spraying pipe 31, the partition plates 35 are arranged at intervals along the axial direction of the main spraying pipe 31, and each partition plate 35 is located between two adjacent spraying branch pipes 32 on one side of the main spraying pipe 31.
In this embodiment, the third cooling liquid sprayed downward is divided into a plurality of areas by the plurality of partition plates 35, and when the ship runs unstably, the third cooling liquid is distributed in each area due to the blocking of the partition plates 35, so that the cooling effect is not changed. Preferably, the surface of each partition plate 35 is designed to be concave-convex, when the sprayed third cooling liquid contacts the surface of the partition plate 35, the water flow is reflected for multiple times, the direction is irregular, the water flow disturbance is strengthened, the contact area with the waste gas is increased, and the heat exchange effect is effectively improved.
Fig. 3 is a schematic structural diagram of the air distribution plate provided in the embodiment of the present invention, as shown in fig. 1 and fig. 3, this exhaust gas cooling device further includes the air distribution plate 5, the air distribution plate 5 is transversely disposed between the air inlet 11 and the cooling tube assembly 2, the air hole 51 is disposed on the air distribution plate 5, and the air hole 51 can let the exhaust gas pass through.
Since the high-temperature exhaust gas has a certain velocity when it enters the cooling tank 1, the concentration of the exhaust gas far from the intake port 11 is higher than that of the exhaust gas near the intake port 11. Preferably, the aperture of the air holes 51 is sequentially reduced in the direction away from the air inlet 11, so as to ensure that the exhaust gas flow is more uniform, and the uniform exhaust gas can exchange heat more efficiently when passing through the cooling module 2.
Further, as shown in fig. 1, the exhaust gas cooling device provided in this embodiment further includes a circulation assembly 6, the circulation assembly 6 includes a circulation pipeline 61 and a circulation water pump 62, one end of the circulation pipeline 61 is communicated with the cooling tank 1, the other end is communicated with the inlet of the spray assembly 3, the circulation water pump 62 is disposed on the circulation pipeline 61, and the circulation assembly 6 can introduce the first cooling liquid 13 into the spray assembly 3. Specifically, the circulating cooling water is generally fresh water, and is recycled through the circulating assembly 6, so that water resources are saved, and waste is avoided.
Further, the heat exchanger 7 is connected to the circulating pipeline 61, specifically, the heat exchanger 7 is a plate heat exchanger, the fourth cooling liquid inside the heat exchanger 7 is generally seawater, which can facilitate taking a large amount of the fourth cooling liquid, a fourth cooling liquid inlet 71 and a fourth cooling liquid outlet 72 are arranged on the plate heat exchanger, the seawater enters the heat exchanger 7 through the fourth cooling liquid inlet 71, and the circulating fresh water is cooled and then discharged through the fourth cooling liquid outlet 72.
In this embodiment, a fresh water outlet is disposed on a side wall of the cooling tank 1, one end of the circulation pipeline 61 is communicated with the fresh water outlet, and the first cooling liquid 13 can enter the circulation pipeline 61 through the fresh water outlet. Specifically, the circulating water pump 62 pumps the first cooling liquid 13 at the bottom of the cooling tank 1 to the heat exchanger 7, the first cooling liquid exchanges heat with seawater in the heat exchanger 7, then cooled circulating fresh water is pumped to the spray assembly 3 through the circulating water pump 62, and the third cooling liquid sprayed downwards by the spray assembly 3 cools the waste gas for the third time, and then falls to the bottom of the cooling tank 1 to be circulated again. In addition, the third cooling liquid can wash the partition plate 35, the cooling coil 21 and the air flow uniform distribution plate 5 in the falling process, so that the manpower cleaning resource is saved, and the surface of the cooling coil 21 is kept clean, so that the heat exchange efficiency is improved, and the energy consumption is saved.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (10)
1. An exhaust gas cooling device is characterized by comprising a cooling box (1), and a cooling pipe assembly (2), a spraying assembly (3) and a demister (4) which are arranged in the cooling box (1);
the cooling box (1) is internally provided with a first cooling liquid (13) at the bottom, the cooling box (1) is provided with an air inlet (11) and an air outlet (12) which are communicated with each other, the air inlet (11) is arranged on the side wall of the cooling box (1) and is positioned above the liquid level of the first cooling liquid (13), and the air outlet (12) is arranged at the upper part of the cooling box (1) and is used for being communicated with a compressor;
the cooling pipe assembly (2), the spraying assembly (3) and the demister (4) are sequentially arranged between the air inlet (11) and the air outlet (12) from bottom to top;
a second cooling liquid is arranged inside the cooling pipe assembly (2);
the spray assembly (3) can spray a third cooling liquid downwards;
the waste gas cooled by the first cooling liquid (13), the cooling pipe assembly (2) and the spraying assembly (3) can enter the compressor after being subjected to gas-liquid separation by the demister (4).
2. Exhaust gas cooling arrangement according to claim 1, characterized in that the cooling tube package (2) comprises a cooling coil (21), which cooling coil (21) is distributed helically in the interior of the cooling box (1) in the vertical direction.
3. Exhaust gas cooling device according to claim 2, characterized in that the number of cooling coils (21) is a plurality, and a plurality of cooling coils (21) are arranged in parallel and spaced apart in a horizontal direction.
4. The exhaust gas cooling device according to claim 1, wherein the shower assembly (3) includes a main shower pipe (31) and a plurality of first nozzles (32), the main shower pipe (31) is disposed inside the cooling tank (1), and the plurality of first nozzles (32) are disposed at intervals in an axial direction of the main shower pipe (31) and are all communicated with the main shower pipe (31).
5. The exhaust gas cooling device according to claim 4, wherein the spray assembly (3) further includes a second spray nozzle (34) and a plurality of spray branch pipes (33), the plurality of spray branch pipes (33) are provided on the spray main pipe (31) at intervals along an axial direction of the spray main pipe (31) and are all communicated with the spray main pipe (31), the second spray nozzle (34) is provided on each spray branch pipe (33), and the second spray nozzle (34) is communicated with the corresponding spray branch pipe (33).
6. The exhaust gas cooling device according to claim 5, wherein the shower assembly (3) further includes a plurality of partition plates (35), the partition plates (35) are located below the shower main pipe (31), the plurality of partition plates (35) are arranged at intervals in an axial direction of the shower main pipe (31), and each partition plate (35) is located between two adjacent shower branch pipes (33).
7. An exhaust gas cooling arrangement according to claim 1, characterized in that the inlet opening (11) communicates with an inlet pipe (14), which inlet pipe (14) is inclined towards the bottom of the cooling tank (1).
8. The exhaust gas cooling device according to any one of claims 1 to 7, further comprising an air distribution plate (5), wherein the air distribution plate (5) is disposed between the air inlet (11) and the cooling tube assembly (2), the air distribution plate (5) is provided with air holes (51), and the diameters of the air holes (51) are sequentially reduced in a direction away from the air inlet (11).
9. The exhaust gas cooling device according to any one of claims 1 to 7, further comprising a circulation unit (6), wherein the circulation unit (6) includes a circulation line (61) and a circulation water pump (62), one end of the circulation line (61) communicates with the cooling tank (1), the other end communicates with an inlet of the spray unit (3), the circulation water pump (62) is disposed on the circulation line (61), and the circulation unit (6) is capable of introducing the first cooling liquid (13) into the spray unit (3).
10. Exhaust gas cooling arrangement according to claim 9, characterized in that a heat exchanger (7) is also connected to the circulation line (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021564603.1U CN212429046U (en) | 2020-07-31 | 2020-07-31 | Waste gas cooling device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021564603.1U CN212429046U (en) | 2020-07-31 | 2020-07-31 | Waste gas cooling device |
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| CN212429046U true CN212429046U (en) | 2021-01-29 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111810324A (en) * | 2020-07-31 | 2020-10-23 | 中船动力研究院有限公司 | Waste gas cooling device |
| CN115143662A (en) * | 2022-07-04 | 2022-10-04 | 松下制冷（大连）有限公司 | Liquid dripping device capable of achieving uniform distribution |
-
2020
- 2020-07-31 CN CN202021564603.1U patent/CN212429046U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111810324A (en) * | 2020-07-31 | 2020-10-23 | 中船动力研究院有限公司 | Waste gas cooling device |
| CN115143662A (en) * | 2022-07-04 | 2022-10-04 | 松下制冷（大连）有限公司 | Liquid dripping device capable of achieving uniform distribution |
| CN115143662B (en) * | 2022-07-04 | 2023-09-26 | 冰山松洋制冷(大连)有限公司 | Evenly distributed liquid drip device |
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