CN206600831U - Desulfurizing tower and chimney combined into one apparatus - Google Patents
Desulfurizing tower and chimney combined into one apparatus Download PDFInfo
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- CN206600831U CN206600831U CN201720091538.7U CN201720091538U CN206600831U CN 206600831 U CN206600831 U CN 206600831U CN 201720091538 U CN201720091538 U CN 201720091538U CN 206600831 U CN206600831 U CN 206600831U
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- chimney
- desulfurizing tower
- tower
- expansion section
- combined
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Abstract
The utility model is desulfurizing tower and chimney combined into one apparatus, it includes chimney and at least one desulfurizing tower being placed in inside chimney, chimney bottom is the expansion section that diameter is more than chimney top, desulfurizing tower tower body is placed in the expansion section, transition is carried out using structural transition layer between chimney expansion section and top, the smoke exhaust barrel of one or more desulfurizing towers inside chimney is upwardly extended along chimney respectively, or upwardly extended after converging along chimney, chimney expansion section is tube structure or bottom is herringbone rod structure, combined structure of the present utility model can effectively utilize chimney bottom idle space, eliminate desulfurizing tower and export net flue, net flue and the reduction of support cost, also reduce flue gas resistance, save smoke evacuation power consumption, optimize and take up an area after stove.North cold area chimney bottom can use enclosed construction, be conducive to the protection against cold and freezing conditions of desulfurization associated satellite equipment and pipeline.
Description
Technical field
The utility model is a kind of desulfurizing tower in thermal power plant and chimney combined into one apparatus.
Background technology
Boiler exhaust gas must could pass through smoke stack emission by purified treatment.Required purified treatment flow includes dedusting, taken off
Sulphur, denitration etc..Necessarily contain SO due to containing in coal in sulphur, the flue gas that coal is produced after burning in the boiler2, must be by removing
Afterwards, air can be discharged into.Therefore, desulfurizer is the indispensable environmental protection facility of Thermal generation unit.
The boiler flue gas desulfurization process of most main flow is to use wet desulphurization in the world at present, and the flue gas after wet desulphurization is wet
Saturated flue gas, its flow behavior, etching characteristic and further fume treatment are all highly difficult, therefore from flue gas flow, desulfurization is general
It is used as last flue gas processing device being discharged into before chimney.
As shown in Figures 1 and 2, arrangement is boiler room 5 → deduster, 4 → air-introduced machine 3 → de- after conventional Boiler Furnace
2 → chimney of sulphur tower 1.Flue gas flow direction is bottom-up in desulfurizing tower 2, is discharged by the tower top of desulfurizing tower 2, then level is turned to chimney, high
Position, which is entered to turn upwards again after chimney 1, is connected to smoke exhaust barrel 21, is ultimately discharged into air.
But defect is also with obvious：The high position of net flue 31 after desulfurization enters chimney 1, and the bottom space of chimney 1 is not had fully
The utilization of effect, causes to waste；The flue gas of the top exit of desulfurizing tower 2, turning two 90 degree curved can just be connected to chimney internal cylinder, flow of flue gas
Resistance is big；The flue that desulfurizing tower 2 is exported between chimney 1 is very long, and requirement for anticorrosion is again high, and the cost of net flue and its support is high；Account for
Ground area is big.
Utility model content
The technical problem that the utility model is solved is providing the device of a kind of desulfurizing tower and chimney unification.
The technological means that the utility model is used is as follows.
A kind of desulfurizing tower and chimney combined into one apparatus, include chimney and at least one desulfurizing tower being placed in inside chimney.
Cylinder or the expansion section of humanoid rod structure that chimney bottom is amplified using diameter, desulfurizing tower tower body are placed in the expansion section
It is interior.
Structural transition layer is set between chimney expansion section and top and carries out transition, the structural transition layer can be truss structure.
Desulfurizing tower smoke evacuation ejection, respectively or converges and is followed by chimney internal cylinder.
Having the beneficial effect that produced by the utility model.
1st, at least one desulfurizing tower is arranged at bottom in chimney, effectively utilizes chimney bottom idle space.
2nd, desulfurizing tower exiting flue gas is connected to chimney internal cylinder directly up, reduces flue gas resistance, saves smoke evacuation power consumption.
3rd, eliminate desulfurizing tower and export net flue, be seamlessly connected with chimney internal cylinder, the manufacturing cost of net flue and its support
Substantially reduce.
4th, optimize and take up an area after stove, the land used of former desulfurizing tower position can be used as other purposes.
5th, in addition, chimney lower space can be made to close, desulfurization associated satellite equipment and the cold-proof of pipeline is conducive to prevent
Freeze.
Brief description of the drawings
Fig. 1 is the position view of existing desulfurizing tower and chimney.
Fig. 2 is the structure chart of existing desulfurizing tower and chimney.
Fig. 3 is the position view of desulfurizing tower of the present utility model and chimney.
Fig. 4 is the structure chart of desulfurizing tower of the present utility model and chimney.
The desulfurizing tower that Fig. 5 is used by 300,000 kilowatts of level coal-fired electric generation units of first embodiment is illustrated with chimney combined into one apparatus
Figure.
The desulfurizing tower that Fig. 6 is used by 600,000 kilowatts of level coal-fired electric generation units of second embodiment is illustrated with chimney combined into one apparatus
Figure.
The desulfurizing tower that Fig. 7 is used by 1,000,000 kilowatts of level coal-fired electric generation units of 3rd embodiment shows with chimney combined into one apparatus
It is intended to.
Embodiment
The utility model protects the device of a kind of desulfurizing tower and chimney unification.
As shown in figure 3, the flue gas that existing boiler 5 is produced enters after deduster 4, enter desulfurization under the effect of air-introduced machine 3
Tower 2, general boiler 5, deduster 4 and desulfurizing tower 3 are set to correspond, and the flue gas after desulfurization is connected to chimney by net flue 31
Smoke exhaust barrel 21 in 1 is discharged.
Key protection point of the present utility model is, at least one desulfurizing tower 2 is arranged to the inside of chimney 1.
Existing chimney is generally the nearly cylindrical structure of lower thick upper thin., need to be to existing chimney structure based on above-mentioned improvement
Make and changed and adjustment with following.
With reference to shown in Fig. 3 and Fig. 4, the diameter of the chimney outer barrel 11 on chimney top can be kept with existing in the utility model
It is constant, switch transition can be carried out using structural transition layer 12 between bottom and top, the structural transition layer 12 can be truss structure.
Expansion section 13 is formed at chimney bottom, and desulfurizing tower 2 is placed in inside the expansion section 13, and the diameter of the expansion section 13 is more than existing chimney
Lower diameter, to ensure the arrangement requirement and corresponding space for maintenance of desulfurizing tower.
During actual setting, if space allows in chimney 1, pay the utmost attention to desulfurization associated satellite equipment（Such as serum recycle
Pump）Also it is arranged in the lump in chimney with pipeline.
Desulfurizing tower smoke evacuation ejection, the i.e. smoke evacuation of one or more desulfurizing towers 2 inside chimney 1 are discharged from the top of desulfurizing tower 2,
Respectively or converge and be followed by chimney internal cylinder, it can be selected according to smoke evacuation demand during actual use.
The bottom of chimney 1 can be tube structure, it is necessary to when can be closed, be conducive to desulfurization associated satellite equipment and pipeline
Protection against cold and freezing conditions.Or chimney bottom can also use herringbone rod structure.
The combined structure of desulfurizing tower and chimney of the present utility model, it is adaptable to which desulfuration absorbing tower is last cigarette before chimney
The process system of gas disposal equipment or the process system on desulphurizing and dust-removing integral absorption tower, i.e., there is no such as wet type after desulfurizing tower
The environmental protection facilities such as electric cleaner.
Three specific embodiment parameters given below.
Embodiment one：
300000 multikilowatt coal heating group entries, two 350MW supercritical coal-fired units, wet desulphurization, the tower of a stove one,
Desulfurizing tower diameter 13m, tower height 33m.Two units share a 210m chimney, chimney outer barrel bottom inner diameter 20m, top internal diameter
10.6m, chimney uses single boundling inner cylinder, inner diameter of steel flue 7.8m；
Using this patent desulfurizing tower and chimney combined into one apparatus, chimney outer barrel lower diameter need to be expanded to about 45m, bottom is high
More than 35m.Normal barrel dliameter can be returned in 55m absolute altitudes or so（15m）.Structural transition layer transition, desulfurizing tower are used between 35m ~ 55m
Exiting flue gas ejection, which converges, to be followed by chimney internal cylinder.
Embodiment two：
600000 multikilowatt coal unit projects, two 660MW ultra-supercritical coal-fired units, wet desulphurization, the tower of a stove one takes off
Sulphur tower diameter 16.8m, tower height 44m.Two units share a 240m chimney, chimney outer barrel bottom inner diameter 30.4m, top internal diameter
13.4m, chimney uses single boundling inner cylinder, inner diameter of steel flue 10.5m；
Using this patent desulfurizing tower and chimney combined into one apparatus, outer barrel lower diameter need to be expanded to about 51m, the high 45m in bottom with
On.It can recover in 65m absolute altitudes or so to normal barrel dliameter（22.6m）.Structural transition layer transition is used between 45m ~ 65m, desulfurizing tower goes out
Mouth flue gas ejection, which converges, to be followed by chimney internal cylinder.
Embodiment three：
1000000 multikilowatt coal unit projects, two 1000MW ultra-supercritical coal-fired units, wet desulphurization, the tower of a stove one,
Desulfurizing tower diameter 22.2m, tower height 44m.Two units share a 240m chimney, chimney outer barrel bottom inner diameter 35.5m, top
Internal diameter 21.2m, chimney is using double boundling inner cylinders, inner diameter of steel flue 9.0m；
Using this patent desulfurizing tower and chimney combined into one apparatus, outer barrel lower diameter need to be expanded to 64m, high more than the 45m in bottom.
Normal barrel dliameter can be returned in 70m absolute altitudes or so（27.4m）.Structural transition layer transition, desulfurizing tower outlet cigarette are used between 45m ~ 70m
Pneumatic jack goes out to be connected to chimney internal cylinder.
Claims (5)
1. a kind of desulfurizing tower and chimney combined into one apparatus, it is characterised in that include chimney and at least one desulfurization being placed in inside chimney
Tower.
2. desulfurizing tower as claimed in claim 1 and chimney combined into one apparatus, it is characterised in that put using diameter the chimney bottom
Big cylinder or the expansion section of humanoid rod structure, the desulfurizing tower tower body are placed in the expansion section.
3. desulfurizing tower as claimed in claim 2 and chimney combined into one apparatus, it is characterised in that set between chimney expansion section and top
Structural transition layer carries out transition.
4. desulfurizing tower as claimed in claim 2 and chimney combined into one apparatus, it is characterised in that the structural transition layer is truss knot
Structure.
5. desulfurizing tower and chimney combined into one apparatus as described in Claims 1-4 is any, it is characterised in that desulfurizing tower smoke evacuation ejection,
Respectively or converge and be followed by chimney internal cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720091538.7U CN206600831U (en) | 2017-01-23 | 2017-01-23 | Desulfurizing tower and chimney combined into one apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720091538.7U CN206600831U (en) | 2017-01-23 | 2017-01-23 | Desulfurizing tower and chimney combined into one apparatus |
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| Publication Number | Publication Date |
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| CN206600831U true CN206600831U (en) | 2017-10-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108343981A (en) * | 2017-01-23 | 2018-07-31 | 中国电力工程顾问集团华北电力设计院有限公司 | Desulfurizing tower and chimney combined into one apparatus |
-
2017
- 2017-01-23 CN CN201720091538.7U patent/CN206600831U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108343981A (en) * | 2017-01-23 | 2018-07-31 | 中国电力工程顾问集团华北电力设计院有限公司 | Desulfurizing tower and chimney combined into one apparatus |
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