CN204188019U - High-temperature flue gas mist cooling tower - Google Patents
High-temperature flue gas mist cooling tower Download PDFInfo
- Publication number
- CN204188019U CN204188019U CN201420567254.7U CN201420567254U CN204188019U CN 204188019 U CN204188019 U CN 204188019U CN 201420567254 U CN201420567254 U CN 201420567254U CN 204188019 U CN204188019 U CN 204188019U
- Authority
- CN
- China
- Prior art keywords
- cylindrical shell
- temperature
- flue gas
- tower
- mist cooling
- 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.)
- Expired - Lifetime
Links
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 40
- 239000003546 flue gas Substances 0.000 title claims abstract description 40
- 238000001816 cooling Methods 0.000 title claims abstract description 21
- 239000003595 mist Substances 0.000 title claims abstract description 18
- 239000007921 spray Substances 0.000 claims abstract description 17
- 230000007704 transition Effects 0.000 claims abstract description 16
- 239000012530 fluid Substances 0.000 claims abstract description 12
- 238000007599 discharging Methods 0.000 claims abstract description 7
- 239000011800 void material Substances 0.000 claims abstract description 7
- 239000003517 fume Substances 0.000 claims abstract description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 10
- 239000007789 gas Substances 0.000 claims description 6
- 244000144985 peep Species 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 230000004927 fusion Effects 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 3
- 238000003032 molecular docking Methods 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 3
- 239000000428 dust Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model relates to a kind of high-temperature flue gas mist cooling tower, comprise entrance fume pipe, temperature-reducing tower cylindrical shell, exiting flue gas pipe, taper ash bucket, cinder-discharging port and tapering transition section, described tapering transition section is connected with inlet flue gas pipe and temperature-reducing tower cylindrical shell respectively, and the afterbody of described tapering transition section is along the circumferential direction evenly equipped with multiple two-fluid spray gun; Described temperature-reducing tower cylindrical shell is void tower formula cylindrical shell, and bottom is connected with skirt.The utility model has following beneficial effect: adopt tapering transition segment trailer circumferencial direction evenly to arrange multiple two-fluid spray gun, can reduce the intubating length of two-fluid spray gun, be conducive to the strength and stability of spray gun in tower.Adopt void tower formula structural design, structure is simple, and air resistance loss is little; Adopt skirt type to support bottom tower body, structure is simple, uniform force, easy construction.
Description
Technical field
The utility model relates to a kind of high-temperature flue gas mist cooling tower, for the high-temperature flue gas cooling before dry-dedusting system.
Background technology
At present, in chemical industry, oil, metallurgy, electric power and other industry, often produce high-temperature dust-containing flue gas, need to recycle.As nonferrous heavy metal flue gas, steelmaking converter flue gas, hot-mounting process blast furnace flue gas, direct reduction iron making flue gas, rotary hearth furnace flue gas etc., flue-gas temperature, all more than 400 DEG C, need reclaim for subsequent user after dedusting.Current high-temperature flue gas dry dedusting technology is also immature, generally still adopts normal-temperature dry bag-type dust removal system or electric dust removing system.And the flue-gas temperature entering sack cleaner or electric cleaner is in 150 ~ 280 DEG C is safe temperature range, there will be smoke condensation, burning bag higher than this temperature range or cause the situations such as electric cleaner damage.
Therefore be necessary to design a kind of high-temperature flue gas mist cooling tower, to overcome the problems referred to above.
Utility model content
The purpose of this utility model is the defect overcoming prior art, provides a kind of high-temperature flue gas mist cooling tower, for cooling high-temperature flue gas before dry-dedusting system.
The utility model is achieved in that
The utility model provides a kind of high-temperature flue gas mist cooling tower, comprise entrance fume pipe, temperature-reducing tower cylindrical shell and tapering transition section, described tapering transition section is connected with inlet flue gas pipe and temperature-reducing tower cylindrical shell respectively, and the afterbody of described tapering transition section is along the circumferential direction evenly equipped with multiple two-fluid spray gun; Described temperature-reducing tower cylindrical shell is void tower formula cylindrical shell, and bottom is connected with skirt.
Further, described temperature-reducing tower cylindrical shell and skirt adopt the mode of docking to be connected, and junction adopts the mode of complete penetraction and fusion in welding sequential welding to weld.
Further, the height of described temperature-reducing tower cylindrical shell is 20 ~ 30m, and diameter is 4 ~ 7m.
Further, also comprise taper ash bucket, described temperature-reducing tower cylindrical shell is connected by arc section with taper ash bucket.
Further, described taper ash bucket is provided with air inlet and cinder-discharging port, and described air inlet is connected with Nitrogen source gases pipeline, and described cinder-discharging port is connected with the ash storage device of dry-dedusting system by ash conveying pipe.
Further, described temperature-reducing tower cylindrical shell is the cylindrical shell be made up of steels for pressure vessel use.
Further, described temperature-reducing tower cylindrical shell is provided with inspection platform, peep hole and manhole.
Further, described peep hole is the visor that heat resistant glass is made.
The utility model has following beneficial effect: adopt tapering transition segment trailer circumferencial direction evenly to arrange multiple two-fluid spray gun, can reduce the intubating length of two-fluid spray gun, be conducive to the strength and stability of spray gun in tower.Adopt void tower formula structural design, structure is simple, and air resistance loss is little; Adopt skirt type to support bottom tower body, structure is simple, uniform force, easy construction.
Further beneficial effect of the present utility model is: temperature-reducing tower cylindrical shell is connected by arc section with taper ash bucket, taper ash bucket stressed less.
Further beneficial effect of the present utility model is: adopt the defeated grey mode of Geldart-D particle, conveying gas adopts inert gas as nitrogen, can consider with the ash exhauster unification of dry-method bag-type dust collecting system or electric dust removing system, do not need to carry out ash discharge process separately, structure is simple.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the high-temperature flue gas mist cooling tower that Fig. 1 provides for the utility model embodiment.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, other embodiments all that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belong to the scope of the utility model protection.
As Fig. 1, the utility model embodiment provides a kind of high-temperature flue gas mist cooling tower, comprises entrance fume pipe 1, temperature-reducing tower cylindrical shell 6, exiting flue gas pipe 8, taper ash bucket 10 and cinder-discharging port 11.Also include tapering transition section 2, described tapering transition section 2 is connected with inlet flue gas pipe 1 and temperature-reducing tower cylindrical shell 6 respectively, and the afterbody of described tapering transition section 2 is along the circumferential direction evenly equipped with multiple two-fluid spray gun 3; Described temperature-reducing tower cylindrical shell 6 is void tower formula cylindrical shell, and bottom is connected with skirt 9.Preferably, described temperature-reducing tower cylindrical shell 6 adopts the mode of docking to be connected with skirt 9, and junction adopts the mode of complete penetraction and fusion in welding sequential welding to weld.Adopt the afterbody circumferencial direction of tapering transition section 2 that multiple two-fluid spray gun 3 is evenly set, the intubating length of two-fluid spray gun 3 can be reduced, be conducive to the strength and stability of two-fluid spray gun 3 in tower.Adopt void tower formula structural design, structure is simple, and air resistance loss is little; Adopt skirt 9 to support bottom temperature-reducing tower cylindrical shell 6, structure is simple, uniform force, easy construction.During actual use, the spray area sum of each two-fluid spray gun 3 should be slightly less than the sectional area of described temperature-reducing tower cylindrical shell 6, so both can ensure to spray and fully the contacting of high-temperature flue gas, accelerate the cooling velocity of flue gas, spray simultaneously not with the sidewall contact of temperature-reducing tower cylindrical shell 6, can ensure not cause " wet wall ".
As Fig. 1, as a kind of preferred structure of the present embodiment, described temperature-reducing tower cylindrical shell 6 is connected by arc section with taper ash bucket 10.Connected by arc section transition, taper ash bucket 10 stressed less.
During actual use, control blast furnace gas operating mode flow velocity at 2 ~ 4m/s, the time of staying of high-temperature flue gas in mist cooling tower 6 is no less than 5s.Being to make flue gas and the sufficient heat exchange of spraying on the one hand, is to ensure that drop fully evaporates on the other hand, not " the wet end ".Temperature-reducing tower cylindrical shell 6 is so just needed to have certain height.In the present embodiment, the height of described temperature-reducing tower cylindrical shell 6 is designed to 20 ~ 30m, and diameter design is 4 ~ 7m.Be 380,000 Nm with flue gas operating mode flow
3the blast furnace gas that/h, smoke inlet temperature are 450 DEG C, flue gas exit temperature is 200 DEG C calculates, and the height of temperature-reducing tower cylindrical shell 6 is 25m, and diameter is 6m.
In addition, as a kind of preferred structure of the present embodiment, described taper ash bucket 10 is provided with air inlet, and described air inlet is connected with Nitrogen source gases pipeline, and described cinder-discharging port 11 is connected with the ash storage device of dry-dedusting system by ash conveying pipe.Adopt the mode of nitrogen Geldart-D particle, in the large ash silo with ash conveying pipe the ash of taper ash bucket 10 being transported to dry-method bag-type dust collecting system or in the ash storage device of electric dust removing system, then ash discharge process is carried out in unification, and does not need to carry out ash discharge process separately.
In the present embodiment, described temperature-reducing tower cylindrical shell 6 is bearing device, designs according to GB150 " pressure vessel " and JB/T4710 " steel tower type container ", adopts the tower structure of container of skirt self-supporting.Preferably, temperature-reducing tower cylindrical shell 6 is the cylindrical shell be made up of steels for pressure vessel use.Further, described temperature-reducing tower cylindrical shell 6 can for the cylindrical shell be made up of 15CrMoR steel, and the design pressure of corresponding 0.4MPa, the wall thickness designing this cylindrical shell is not less than 20mm.
In the present embodiment, described temperature-reducing tower cylindrical shell 6 is provided with inspection platform 5, peep hole 4 and manhole 7.Described peep hole 4 is preferably the visor of the high temperature high voltage resistant that heat resistant glass is made.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (8)
1. a high-temperature flue gas mist cooling tower, comprise entrance fume pipe and temperature-reducing tower cylindrical shell, it is characterized in that: also include tapering transition section, described tapering transition section is connected with inlet flue gas pipe and temperature-reducing tower cylindrical shell respectively, and the afterbody of described tapering transition section is along the circumferential direction evenly equipped with multiple two-fluid spray gun; Described temperature-reducing tower cylindrical shell is void tower formula cylindrical shell, and bottom is connected with skirt.
2. high-temperature flue gas mist cooling tower according to claim 1, is characterized in that: described temperature-reducing tower cylindrical shell and skirt adopt the mode of docking to be connected, and junction adopts the mode of complete penetraction and fusion in welding sequential welding to weld.
3. high-temperature flue gas mist cooling tower according to claim 1 and 2, is characterized in that: the height of described temperature-reducing tower cylindrical shell is 20 ~ 30m, and diameter is 4 ~ 7m.
4. high-temperature flue gas mist cooling tower according to claim 1 and 2, is characterized in that: also comprise taper ash bucket, and described temperature-reducing tower cylindrical shell lower end is connected by arc section with taper ash bucket.
5. high-temperature flue gas mist cooling tower according to claim 1, it is characterized in that: described taper ash bucket is provided with air inlet and cinder-discharging port, described air inlet is connected with Nitrogen source gases pipeline, and described cinder-discharging port is connected with the ash storage device of dry-dedusting system by ash conveying pipe.
6. high-temperature flue gas mist cooling tower according to claim 1, is characterized in that: described temperature-reducing tower cylindrical shell is the cylindrical shell be made up of steels for pressure vessel use.
7. high-temperature flue gas mist cooling tower according to claim 1, is characterized in that: described temperature-reducing tower cylindrical shell is provided with inspection platform, peep hole and manhole.
8. high-temperature flue gas mist cooling tower according to claim 7, is characterized in that: described peep hole is the visor that heat resistant glass is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420567254.7U CN204188019U (en) | 2014-09-29 | 2014-09-29 | High-temperature flue gas mist cooling tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420567254.7U CN204188019U (en) | 2014-09-29 | 2014-09-29 | High-temperature flue gas mist cooling tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204188019U true CN204188019U (en) | 2015-03-04 |
Family
ID=52620008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420567254.7U Expired - Lifetime CN204188019U (en) | 2014-09-29 | 2014-09-29 | High-temperature flue gas mist cooling tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204188019U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105135457A (en) * | 2015-09-24 | 2015-12-09 | 江苏江涛环境工程有限公司 | Reverse-flow spray cooler |
-
2014
- 2014-09-29 CN CN201420567254.7U patent/CN204188019U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105135457A (en) * | 2015-09-24 | 2015-12-09 | 江苏江涛环境工程有限公司 | Reverse-flow spray cooler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150304 |