CN219178323U - Dust removal quench tower mist cooling system - Google Patents
Dust removal quench tower mist cooling system Download PDFInfo
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- CN219178323U CN219178323U CN202223139656.0U CN202223139656U CN219178323U CN 219178323 U CN219178323 U CN 219178323U CN 202223139656 U CN202223139656 U CN 202223139656U CN 219178323 U CN219178323 U CN 219178323U
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Abstract
The utility model relates to a dust removal quenching tower spray cooling system, which comprises a liquid path, a gas path and a plurality of groups of spray paths which are arranged side by side; each group of spraying paths comprises a spraying water inlet main pipe and a plurality of spraying branch pipelines, one end of the spraying water inlet main pipe is connected with the liquid path, and the plurality of spraying branch pipelines are arranged at one end of the spraying water inlet main pipe side by side; the spray branch pipeline comprises a spray pipe, a nozzle is arranged at one end of the spray pipe, a spray air inlet branch pipe and a spray water inlet branch pipe are connected at the other end of the spray pipe side by side, the spray air inlet branch pipe is connected with the gas path, and the spray water inlet branch pipe is connected with a spray water inlet main pipe. According to the dust removal quenching tower spray cooling system, when the spray nozzle stops spraying, the spray nozzle is in an air-jet state, so that the spray nozzle can be prevented from being blocked, meanwhile, smoke dust and water are combined to form acidic or alkaline slurry to be blown away through air flow, the spray nozzle is prevented from being corroded, and the service life of the spray nozzle is prolonged.
Description
Technical Field
The utility model relates to a dust removal quenching tower spray cooling system, and belongs to the field of quenching towers.
Background
The quenching tower is used more in incineration, namely water is sprayed into the tower, water mist and high-temperature flue gas are gasified and absorbed after being mixed, the effect of flue gas cooling is achieved, garbage incineration generates high-temperature flue gas, the flue gas is led into the quenching tower, the flue gas can be cooled down through spraying, and in addition, dust in the flue gas is in contact with water, and then the gravity is increased to fall to the inner bottom of the quenching tower, so that dust removal is achieved.
The utility model patent with the publication number of CN210664013U discloses a flue gas spray cooling system of a quenching tower, which relates to the technical field of application of the quenching tower and comprises the quenching tower, an air inlet pipe, an inlet pipe and a fan, wherein the air inlet pipe extends into a grouping control box for controlling flow, the air inlet pipe extends out of the grouping control box and is respectively connected with a first spray head and a second spray head by a plurality of branch pipes, the inlet pipe extends into grouping control for controlling flow, then the inlet pipe extends out of the grouping control box and is respectively connected with the first spray head and the second spray head by a plurality of branch pipes, an air outlet of the fan is divided into two branch pipes, one ends of the two branch pipes close to the fan are connected with a second plug valve, the atomization area is increased by the first spray head and the second spray head with different specifications, the flue gas can be contacted with water mist for evaporation and gasification in 1 second, the flue gas can rapidly release heat by heat exchange, the synthesis of dioxin substances is effectively avoided, the flow control is additionally arranged, the opening of a valve is automatically adjusted, and the water spraying amount is increased or reduced. However, in the prior art, the nozzle is easily blocked by smoke dust during the spraying stopping period, and the smoke dust and water are combined to form acidic or alkaline slurry, so that the nozzle is easily corroded, and the service life of the nozzle is reduced.
Therefore, a dust removal quench tower mist cooling system is needed, nozzle blockage and corrosion are avoided, and the service life of the nozzle is prolonged.
Disclosure of Invention
The utility model aims to solve the technical problems that: in order to overcome the defects of the prior art, the spray cooling system of the dedusting quenching tower is provided, which can avoid the blockage and corrosion of the spray nozzle and prolong the service life of the spray nozzle.
The utility model solves the problems by adopting the following technical scheme: a dust removal quench tower spray cooling system comprises a liquid path, a gas path and a plurality of groups of spray paths which are arranged side by side;
each group of spraying paths comprises a spraying water inlet main pipe and a plurality of spraying branch pipelines, one end of the spraying water inlet main pipe is connected with the liquid path, and the plurality of spraying branch pipelines are arranged at one end of the spraying water inlet main pipe side by side;
the spray branch pipeline comprises a spray pipe, a nozzle is arranged at one end of the spray pipe, a spray air inlet branch pipe and a spray water inlet branch pipe are connected at the other end of the spray pipe side by side, the spray air inlet branch pipe is connected with the gas path, and the spray water inlet branch pipe is connected with a spray water inlet main pipe.
Preferably, the spray paths have three groups, and each group of spray paths has three spray branch pipelines.
Preferably, the liquid path comprises a water storage tank, the water inlet end of the water storage tank is connected with a water inlet pipe, the water outlet end of the water storage tank is connected with the water return end of the water storage tank through a water pipe, a conveying device is arranged on the water pipe and used for conveying water, and a plurality of spraying branch pipelines are all positioned on the rear side of the conveying device.
Preferably, the water pressure in the water inlet pipe is 0.1-0.3 MPa, and the water pressure in the water delivery pipe is 0.7-0.9 MPa.
Preferably, a filter is installed in the water storage tank.
Preferably, the conveying devices are arranged in two groups, and the two groups of conveying devices are arranged side by side.
Preferably, the conveying device comprises a water pump and a valve which are connected in sequence.
Preferably, the water pump is a vertical multistage centrifugal pump.
Preferably, the air path comprises a compressed air tank, an air inlet pipe is connected to the air inlet end of the compressed air tank, and the air outlet end of the compressed air tank is connected with each spray air inlet branch pipe through a spray air inlet main pipe.
Preferably, the air pressure in the spray air inlet manifold is 0.4MPa to 0.5MPa.
Compared with the prior art, the utility model has the advantages that:
according to the dust removal quenching tower spray cooling system, when the spray nozzle stops spraying, the spray nozzle is in an air-jet state, so that the spray nozzle can be prevented from being blocked, meanwhile, smoke dust and water are combined through air flow to form acidic or alkaline slurry to be blown away, the spray nozzle is prevented from being corroded, and the service life of the spray nozzle is prolonged.
Drawings
FIG. 1 is a schematic diagram of a spray cooling system of a dedusting quench tower according to the present utility model;
FIG. 2 is a schematic diagram of the structure of the spray branch pipe;
fig. 3 is a schematic structural view of the conveying device.
Wherein: the device comprises a liquid pipeline 1, a water storage tank 11, a water inlet pipe 12, a water conveying pipe 13, a conveying device 14, a water pump 14.1, a valve 14.2, a gas pipeline 2, a compressed air tank 21, an air inlet pipe 22, a spray air inlet main pipe 23, a spray pipeline 3, a spray water inlet main pipe 31, a spray branch pipeline 32, a spray pipe 32.1, a spray nozzle 32.2, a spray air inlet branch pipe 32.3 and a spray water inlet branch pipe 32.4.
Detailed Description
As shown in fig. 1-3, a dedusting quenching tower spray cooling system in the embodiment comprises a liquid path 1, a gas path 2 and three groups of spray paths 3 which are arranged side by side;
each group of spray paths 3 comprises a spray water inlet main pipe 31 and three spray branch pipelines 32, one end of the spray water inlet main pipe 31 is connected with the liquid path 1, and the three spray branch pipelines 32 are arranged at one end of the spray water inlet main pipe 31 side by side;
the spray branch pipe 32 comprises a spray pipe 32.1, a spray nozzle 32.2 is arranged at one end of the spray pipe 32.1, a spray air inlet branch pipe 32.3 and a spray air inlet branch pipe 32.4 are connected at the other end of the spray pipe 32.1 side by side, the spray air inlet branch pipe 32.3 is connected with the air path 2, the spray air inlet branch pipe 32.4 is connected with the spray water inlet main pipe 31, during spraying, the liquid path 1 conveys water to the spray water inlet main pipe 31, water in the spray water main pipe 31 is conveyed to the spray pipe 32.1 from the spray water inlet branch pipe 32.4, the air path 2 conveys compressed air to the spray pipe 32.1, water is atomized under the action of the compressed air, very fine atomized particles are generated, and discharged from the spray nozzle 32.2, during stopping spraying of the spray water, the spray water inlet branch pipe 32.4 stops supplying water, the spray nozzle 32.2 discharges the compressed air, under the action of air flow, the blocking of the spray nozzle 32.2 can be prevented, meanwhile, the acid slurry is combined with the air flow to form the spray nozzle 32.2, and the corrosion life of the spray nozzle 32.2 is prolonged.
The liquid pipeline 1 comprises a water storage tank 11, a water inlet end of the water storage tank 11 is connected with a water inlet pipe 12, a water outlet end of the water storage tank 11 is connected with a water return end of the water storage tank 11 through a water conveying pipe 13, a conveying device 14 is arranged on the water conveying pipe 13, the conveying device 14 is used for conveying water, a plurality of spraying branch pipelines 32 are all arranged on the rear side of the conveying device 14, the water is conveyed to the water storage tank 11 from the water inlet pipe 12, the water in the water storage tank 11 is discharged from the water conveying pipe 13 through the conveying device 14, when a nozzle 32.2 sprays, the water in the water conveying pipe 13 is conveyed to a spraying water inlet header pipe 31, and when the nozzle 32.2 completely stops spraying, the water in the water conveying pipe 13 flows back to the water storage tank 11.
The water pressure in the water inlet pipe 12 is 0.2Mpa, and the water pressure in the water delivery pipe 13 is 0.8Mpa.
A filter is arranged in the water storage tank 11, and impurities in water in the water storage tank 11 are filtered through the filter.
The conveying devices 14 are provided with two groups, the two groups of conveying devices 14 are arranged side by side, and the arrangement of the two conveying devices 14 can avoid that the system can not work normally after the single conveying device 14 is damaged.
The delivery device 14 comprises a water pump 14.1 and a valve 14.2 connected in sequence.
The water pump 14.1 is a vertical multistage centrifugal pump.
The air path 2 comprises a compressed air tank 21, an air inlet pipe 22 is connected to the air inlet end of the compressed air tank 21, the air outlet end of the compressed air tank 21 is connected to each spray air inlet branch pipe 32.3 through a spray air inlet main pipe 23, and air is conveyed from the air inlet pipe 22 to the compressed air tank 21 and then conveyed from the spray air inlet main pipe 23 to the spray air inlet branch pipes 32.3.
The air pressure in the spray air intake manifold 23 was 0.4MPa.
Working principle:
during normal operation, water in the water storage tank 11 is boosted to a certain pressure and flow rate by the water pump 14.1, the water is conveyed to the nozzle 32.2 through the water conveying pipe 13, the spray water inlet main pipe 31, the spray water inlet branch pipe 32.4 and the spray pipe 32.1, air is conveyed to the compressed air tank 21 from the air inlet pipe 22 and then conveyed to the spray air inlet branch pipe 32.3 from the spray air inlet main pipe 23, compressed air in the spray air inlet branch pipe 32.3 is conveyed to the nozzle 32.2 through the spray pipe 32.1, and atomized under the action of the compressed air, so that very fine atomized particles are generated, the water mist is quickly evaporated in flue gas in a set temperature range, a large amount of heat of the flue gas is absorbed, and the temperature of the flue gas is quickly reduced and maintained in the required temperature range;
when the detected value of the inlet temperature of the tower is an ascending curve and approaches to the set temperature of the spray system, the system is started, the temperature of the flue gas is detected through the outlet temperature measuring element, and compared with the set temperature, the opening of the valve 14.2 is regulated under the control of the controller, so that the water spraying amount is increased or reduced, and the temperature of the flue gas is stabilized within a specified range;
stopping spraying when the tower inlet temperature detection value is a falling curve and exceeds the set temperature of the spraying stopping system, wherein the set temperature of spraying stopping is adjustable;
the number of the opened spray paths 3 is in direct proportion to the inlet temperature of the tower within a set range, each spray branch pipeline 32 is independently controlled by a controller, and the spray nozzles 32.2 which are not sprayed are in a gas spraying state during spray cooling, so that the spray nozzles 32.2 are prevented from being blocked, meanwhile, smoke dust and water are combined to form acidic or alkaline slurry through gas flow to blow away, the corrosion of the spray nozzles 32.2 is avoided, and the service life of the spray nozzles 32.2 is prolonged.
In addition to the above embodiments, the present utility model also includes other embodiments, and all technical solutions that are formed by equivalent transformation or equivalent substitution should fall within the protection scope of the claims of the present utility model.
Claims (10)
1. A dust removal quench tower mist cooling system, its characterized in that: comprises a liquid path (1), a gas path (2) and a plurality of groups of spraying paths (3) which are arranged side by side;
each group of spray paths (3) comprises a spray water inlet main pipe (31) and a plurality of spray branch pipelines (32), one end of the spray water inlet main pipe (31) is connected with the liquid path (1), and the plurality of spray branch pipelines (32) are arranged at one end of the spray water inlet main pipe (31) side by side;
the spray branch pipeline (32) comprises a spray pipe (32.1), a spray nozzle (32.2) is arranged at one end of the spray pipe (32.1), a spray air inlet branch pipe (32.3) and a spray water inlet branch pipe (32.4) are connected at the other end of the spray pipe (32.1) side by side, the spray air inlet branch pipe (32.3) is connected with the gas pipeline (2), and the spray water inlet branch pipe (32.4) is connected with a spray water inlet main pipe (31).
2. The dedusting quench tower spray cooling system as in claim 1 wherein: the spraying paths (3) are provided with three groups, and each group of spraying paths (3) is provided with three spraying branch pipelines (32).
3. The dedusting quench tower spray cooling system as in claim 1 wherein: the liquid pipeline (1) comprises a water storage tank (11), a water inlet pipe (12) is connected to the water inlet end of the water storage tank (11), the water outlet end of the water storage tank (11) is connected with the water return end of the water storage tank (11) through a water pipe (13), a conveying device (14) is arranged on the water pipe (13), the conveying device (14) is used for conveying water, and a plurality of spraying branch pipelines (32) are all located at the rear side of the conveying device (14).
4. A dedusting quench tower spray cooling system as in claim 3 wherein: the water pressure in the water inlet pipe (12) is 0.1-0.3 MPa, and the water pressure in the water delivery pipe (13) is 0.7-0.9 MPa.
5. A dedusting quench tower spray cooling system as in claim 3 wherein: a filter is arranged in the water storage tank (11).
6. A dedusting quench tower spray cooling system as in claim 3 wherein: the conveying devices (14) are arranged in two groups, and the two groups of conveying devices (14) are arranged side by side.
7. The dedusting quench tower spray cooling system of claim 6, wherein: the conveying device (14) comprises a water pump (14.1) and a valve (14.2) which are sequentially connected.
8. The dedusting quench tower spray cooling system of claim 7, wherein: the water pump (14.1) is a vertical multistage centrifugal pump.
9. The dedusting quench tower spray cooling system as in claim 1 wherein: the air path (2) comprises a compressed air tank (21), an air inlet pipe (22) is connected to the air inlet end of the compressed air tank (21), and the air outlet end of the compressed air tank (21) is connected with each spray air inlet branch pipe (32.3) through a spray air inlet main pipe (23).
10. The dedusting quench tower spray cooling system of claim 9, wherein: the air pressure in the spray air inlet main pipe (23) is 0.4-0.5 MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223139656.0U CN219178323U (en) | 2022-11-25 | 2022-11-25 | Dust removal quench tower mist cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223139656.0U CN219178323U (en) | 2022-11-25 | 2022-11-25 | Dust removal quench tower mist cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219178323U true CN219178323U (en) | 2023-06-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223139656.0U Active CN219178323U (en) | 2022-11-25 | 2022-11-25 | Dust removal quench tower mist cooling system |
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| Country | Link |
|---|---|
| CN (1) | CN219178323U (en) |
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- 2022-11-25 CN CN202223139656.0U patent/CN219178323U/en active Active
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