CN220379713U - Flue gas cooling device for solid waste treatment - Google Patents
Flue gas cooling device for solid waste treatment Download PDFInfo
- Publication number
- CN220379713U CN220379713U CN202321809870.4U CN202321809870U CN220379713U CN 220379713 U CN220379713 U CN 220379713U CN 202321809870 U CN202321809870 U CN 202321809870U CN 220379713 U CN220379713 U CN 220379713U
- Authority
- CN
- China
- Prior art keywords
- flue gas
- water
- pipe
- heat boiler
- cooling device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 56
- 239000003546 flue gas Substances 0.000 title claims abstract description 56
- 238000001816 cooling Methods 0.000 title claims abstract description 17
- 238000009270 solid waste treatment Methods 0.000 title claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 55
- 238000010791 quenching Methods 0.000 claims abstract description 36
- 230000000171 quenching effect Effects 0.000 claims abstract description 30
- 239000002918 waste heat Substances 0.000 claims abstract description 19
- 239000007921 spray Substances 0.000 claims abstract description 12
- 238000005507 spraying Methods 0.000 claims abstract description 11
- 238000002485 combustion reaction Methods 0.000 claims abstract description 7
- 239000007789 gas Substances 0.000 claims description 5
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 abstract description 5
- 239000000498 cooling water Substances 0.000 abstract description 5
- 239000000779 smoke Substances 0.000 description 7
- 238000007599 discharging Methods 0.000 description 4
- 239000002906 medical waste Substances 0.000 description 4
- 239000002893 slag Substances 0.000 description 2
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 231100000315 carcinogenic Toxicity 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Chimneys And Flues (AREA)
- Treating Waste Gases (AREA)
Abstract
The utility model discloses a flue gas cooling device for solid waste treatment, which comprises a waste heat boiler, wherein a flue gas pipe is arranged in the waste heat boiler, one end of the flue gas pipe is connected with a secondary combustion chamber, the other end of the flue gas pipe is connected with a quenching tower, a water spraying mechanism is connected in the quenching tower, the water spraying mechanism is connected with a water pipe, and the water inlet end of the water pipe is connected with a quenching water tank. The utility model has the advantages that: when the device cools the flue gas, the flue gas is firstly introduced into the waste heat boiler, the waste heat boiler is used for cooling water, so that the temperature of the flue gas is about five hundred degrees, then the flue gas is discharged into the quenching tower, and the cooling water in the quenching water tank is pumped by the quenching water pump to spray water to the flue gas in the quenching tower, so that the flue gas is rapidly reduced to below 200 degrees in 1-2 seconds, and the generation of dioxin from the flue gas is prevented.
Description
Technical Field
The utility model relates to the technical field of medical waste treatment equipment, in particular to a flue gas cooling device for solid waste treatment.
Background
When the medical waste is treated, as shown in fig. 1, the medical waste is firstly conveyed into a rotary kiln, dried and burned, the medical waste is burned into slag, then the slag is discharged, a large amount of smoke is generated in the burning process, the smoke is conveyed into a secondary combustion chamber, the temperature in the secondary combustion chamber at least reaches 1100 ℃, harmful components are cracked and then discharged, but the discharged smoke can generate cancerogenic substances, and the generation temperature of the dioxin is in the range of 500-200 ℃, so that a cooling device for rapidly reducing the temperature of the smoke is needed to prevent the generation of the dioxin.
Disclosure of Invention
The utility model aims to solve the defects in the prior art and provides a flue gas cooling device for solid waste treatment.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
a flue gas cooling device for solid waste treatment comprises a waste heat boiler, wherein a flue gas pipe is arranged in the waste heat boiler, one end of the flue gas pipe is connected with a secondary combustion chamber, the other end of the flue gas pipe is connected with a quenching tower, a water spraying mechanism is connected in the quenching tower, the water spraying mechanism is connected with a water delivery pipe, and the water inlet end of the water delivery pipe is connected with a quenching water tank.
Preferably, the upper side of the waste heat boiler is connected with a steam collecting tank, and the steam collecting tank is connected with a sub-cylinder through a gas pipe.
Preferably, the part of the flue gas pipe in the waste heat boiler is in a serpentine shape.
Preferably, the water spraying mechanism comprises an annular pipe, a group of spray heads are connected to the annular pipe, and the water spraying direction of the group of spray heads faces the center of the annular pipe.
Preferably, the water inlet end of the water pipe is connected with a quenching water pump, and the quenching water pump is arranged in the quenching water tank.
The utility model has the advantages that: when the flue gas cooling device for solid waste treatment provided by the utility model is used for cooling flue gas, the flue gas is firstly introduced into the waste heat boiler, the waste heat boiler is used for cooling water, so that the temperature of the flue gas is about five hundred degrees, then the flue gas is discharged into the quenching tower, and the cooling water in the quenching water tank is pumped by the quenching water pump to spray water to the flue gas in the quenching tower, so that the flue gas is rapidly reduced to below 200 degrees in 1-2 seconds, and the generation of dioxin from the flue gas is prevented.
Drawings
FIG. 1 is a schematic diagram of a flue gas cooling device for solid waste treatment according to the present utility model;
fig. 2 is a schematic view of a partial structure of the inside of the quenching tower.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should 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", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
As shown in fig. 1, the flue gas cooling device for solid waste treatment provided by the utility model comprises a waste heat boiler 1, cold water is filled in the waste heat boiler 1, a flue gas pipe 2 is arranged in the waste heat boiler 1, one end of the flue gas pipe 2 is connected with a secondary combustion chamber, high-temperature flue gas in the secondary combustion chamber enters the waste heat boiler 1 through the flue gas pipe, then the cold water in the waste heat boiler 1 is heated, and then the water is changed into water vapor.
The upper side of the waste heat boiler 1 is connected with a steam collecting tank 1.1, when water in the waste heat boiler 1 is changed into water vapor, the water vapor rises into the steam collecting tank 1.1, the steam collecting tank 1.1 is connected with a sub-cylinder 1.3 through a gas pipe, the water vapor enters the sub-cylinder 1.3 through the gas pipe, and then the water vapor is conveyed to different equipment through the sub-cylinder 1.3 and can be stored for sale to other enterprises.
The flue gas pipe 2 is in the snakelike part in exhaust-heat boiler 1, makes the flue gas in the flue gas pipe 2 can better cooling, and when the flue gas was discharged from exhaust-heat boiler 1, the temperature that makes the flue gas was in about 500 degrees.
As shown in fig. 2, the other end of the flue gas pipe 2 is connected with the quenching tower 3, the air outlet of the flue gas pipe 3 is arranged at the upper side in the quenching tower 3, a water spraying mechanism 4 is connected in the quenching tower 3, the water spraying mechanism 4 comprises an annular pipe 4.1, the annular pipe 4.1 is connected above the inner side of the quenching tower 2 through a pipe clamp, a group of spray heads 4.2 are connected on the annular pipe 4.1, and the water spraying direction of the group of spray heads 4.2 faces the center of the annular pipe 4.1.
The annular pipe 4.1 is connected with the water pipe 5, the water inlet end of the water pipe 5 is connected with the quenching water pump and is arranged in the quenching water tank 6, cooling water in the quenching water tank 6 is pumped by the quenching water pump, and then sprayed out through the spray head 4.2 to cool flue gas sprayed out of the flue gas pipe 2, so that the temperature of the flue gas in the quenching tower 3 is rapidly reduced to below 200 ℃ within 2 seconds, and dioxin generated by the flue gas can be effectively prevented.
When the shower nozzle 4.2 sprays water to the flue gas that gets into in the quench tower 2, can make the granule in the flue gas take place to subside, the particulate matter after subsides falls in quench tower 2 bottom, connects the discharging pipe in quench tower 2's bottom, discharges dregs through the discharging pipe, connects the valve on the discharging pipe, controls the closure of discharging pipe through the valve.
A smoke exhaust pipe is connected below one side of the quenching tower 2, and the cooled smoke is exhausted through the smoke exhaust pipe and then conveyed into the next equipment.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (5)
1. A flue gas cooling device for solid waste treatment, characterized by: including exhaust-heat boiler (1), be equipped with flue gas pipe (2) in exhaust-heat boiler (1), two combustion chamber are connected to the one end of flue gas pipe (2), and quench tower (3) are connected to the other end of flue gas pipe (2), and in quench tower (3) in-connection water spray mechanism (4), water spray mechanism (4) connect raceway (5), and quench water tank (6) are connected to the water inlet end of raceway (5).
2. A flue gas cooling device for solid waste treatment according to claim 1, wherein: the upper side of the waste heat boiler (1) is connected with a steam collecting tank (1.1), and the steam collecting tank (1.1) is connected with a gas distribution cylinder (1.3) through a gas pipe.
3. A flue gas cooling device for solid waste treatment according to claim 1, wherein: the flue gas pipe (2) is in a serpentine shape in the waste heat boiler (1).
4. A flue gas cooling device for solid waste treatment according to claim 1, wherein: the water spraying mechanism (4) comprises an annular pipe (4.1), a group of spray heads (4.2) are connected to the annular pipe (4.1), and the water spraying direction of the group of spray heads (4.2) faces the center of the annular pipe (4.1).
5. A flue gas cooling device for solid waste treatment according to claim 1, wherein: the water inlet end of the water pipe (5) is connected with a quenching water pump which is arranged in the quenching water tank (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321809870.4U CN220379713U (en) | 2023-07-11 | 2023-07-11 | Flue gas cooling device for solid waste treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321809870.4U CN220379713U (en) | 2023-07-11 | 2023-07-11 | Flue gas cooling device for solid waste treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220379713U true CN220379713U (en) | 2024-01-23 |
Family
ID=89565550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321809870.4U Active CN220379713U (en) | 2023-07-11 | 2023-07-11 | Flue gas cooling device for solid waste treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220379713U (en) |
-
2023
- 2023-07-11 CN CN202321809870.4U patent/CN220379713U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |