CN204365138U - A kind of device spraying dry powder in flue gas - Google Patents
A kind of device spraying dry powder in flue gas Download PDFInfo
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- CN204365138U CN204365138U CN201420815318.0U CN201420815318U CN204365138U CN 204365138 U CN204365138 U CN 204365138U CN 201420815318 U CN201420815318 U CN 201420815318U CN 204365138 U CN204365138 U CN 204365138U
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- shower nozzle
- cone
- dry powder
- nozzle
- flue gas
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Abstract
The utility model relates to gas cleaning field of environment protection equipment, be specially a kind of device spraying dry powder in flue gas, comprise large shower nozzle, the little shower nozzle of cone, bend pipe, described bend pipe connects dry powder conveyance conduit and nozzle, nozzle is made up of large shower nozzle and the little shower nozzle of cone, and the little shower nozzle of cone is fixedly mounted on the centre position of large shower nozzle, and large and small shower nozzle cross section is concentric circles, little shower nozzle is cone, the top alignment bend pipe of the little shower nozzle of cone.The utility model is applicable to the larger flue of diameter or reaction tower, can effectively improve medicament utilization rate.
Description
Technical field
The utility model relates to gas cleaning field of environment protection equipment, is specially a kind of device spraying dry powder in flue gas, is applicable to the larger flue of diameter or reaction tower.
Background technology
Containing a large amount of sour gas, bioxin etc. in the flue gas that coal-fired plant boiler and incinerator are discharged, need to be removed by flue gas purification system.The minimizing technology of sour gas is the minimizing technology spraying into slaked lime powder or the basic agent such as lime white or sodium bicarbonate particle ， bioxin in flue gas is spray into activated carbon powder in flue gas, and therefore dry powder spraying equipment is extremely important in flue gas purification system.
At present, domestic dry powder sprays the injection that mostly converges, and as shown in Figure 5, existing dry powder injection apparatus figure, it is uneven that dry powder sprays dispersion.The dry powder of ejection is cone, and excessive and on the low side near walling of flue of the amount of medium position, the skewness of dry powder can cause the reduction of medicament utilization rate, causes the waste of chemical agent so undoubtedly.
Summary of the invention
The purpose of this utility model is to provide a kind of dry powder injection apparatus improving medicament utilization rate; when system works such as flue gas desulfurization, bioxin absorption; in flue gas, spray the medicaments such as slaked lime powder, sodium bicarbonate particle or activated carbon powder on a large scale, remove sour gas in flue gas with bioxin etc.
Concrete technical scheme of the present utility model is: a kind of device spraying dry powder in flue gas, comprise large shower nozzle, the little shower nozzle of cone, bend pipe, described bend pipe 1 connects dry powder conveyance conduit 4 and nozzle, nozzle is made up of large shower nozzle 2 and the little shower nozzle 3 of cone, the little shower nozzle of cone 3 is fixedly mounted on the centre position of large shower nozzle 2, large and small shower nozzle cross section is concentric circles, and little shower nozzle is cone, the top alignment bend pipe 1 of the little shower nozzle 2 of cone.By the little shower nozzle of cone barrier effect, after the former movement locus of discharging dry powder is obstructed, annularly spout sprays in loose shape.Apparatus of the present invention are applicable to the larger flue of diameter or reaction tower.
Further, described bend pipe is 90 ° of bend pipes.
Further, described nozzle is arranged on flue or reaction tower central authorities, and discharging opening direction is consistent with flue gas flow direction.Dry powder discharging pneumatically extrudes, and sprays after being obstructed in exit in loose shape.
Described powder nozzle outlet is annular, and little shower nozzle is cone, and discharging dry powder is from the little shower nozzle of contact, movement locus offsets, and circumferentially moves, until arrive at large shower nozzle wall, last loose shape ringwise sprays, and considerably increases the diffusion of discharging dry powder, improves chemical agent utilization rate.
The course of work of the present utility model is: under compressed air effect, dry powder is delivered in flue or reaction tower by conveyance conduit 4,90 ° of bend pipes 1 turn to and make the dry powder flow direction consistent with flue gas, large shower nozzle 2 makes dry powder spread, and the little shower nozzle 3 of cone makes originally to concentrate on after the dry powder sprayed at middle part is obstructed and annularly sprays, and dry powder spreads to surrounding further, dry powder finally annularly sprays, add the decentralization of dry powder in flue gas, effectively increase dry powder diffusion, improve chemical agent utilization rate.
The utility model principle of device is simple, and it is convenient to implement, and can improve chemical agent utilization rate.When system works such as flue gas desulfurization, bioxin absorption, in flue gas, spray the medicaments such as slaked lime powder, sodium bicarbonate particle or activated carbon powder on a large scale, remove sour gas in flue gas with bioxin etc.
Accompanying drawing explanation
Fig. 1 is the profile of the utility model device.
Fig. 2 is the elevation of the utility model device.
Fig. 3 is the profile of the utility model device in flue.
Fig. 4 is the elevation of the utility model device in flue.
Fig. 5 is existing dry powder injection apparatus figure.
In figure: 1-90 ° of bend pipe; The large shower nozzle of 2-; The little shower nozzle of 3-cone; 4-conveyance conduit.
Detailed description of the invention
The structure of the utility model device as shown in Figure 2, Figure 3 and Figure 4, is formed primarily of 90 ° of bend pipes 1, large shower nozzle 2, the little shower nozzle 3 of cone and conveyance conduit 4.
90 ° of bend pipes 1 connect dry powder conveyance conduit 4 and nozzle, and nozzle is made up of large shower nozzle 2 and the little shower nozzle 3 of cone, and the little shower nozzle of cone 3 is fixedly mounted on the centre position of large shower nozzle 2, and large and small shower nozzle cross section is concentric circles, the top alignment bend pipe 1 of the little shower nozzle 2 of cone.
The course of work of the present utility model is as shown in Figure 4: under compressed air effect, dry powder is delivered in flue or reaction tower by conveyance conduit 4,90 ° of bend pipes 1 turn to and make the dry powder flow direction consistent with flue gas, large shower nozzle 2 makes dry powder spread, the little shower nozzle 3 of cone makes dry powder spread to surrounding further, dry powder finally annularly sprays, and adds the decentralization of dry powder in flue gas.
implementation result
Certain 2 × 300 tons of garbage burning factory, fume treatment adopts dry process, and 1# line adopts conventional dry powder injection apparatus A, and 2# line adopts this patent application device B, and 1#, 2# line ton rubbish consumes niter ash quantity and is all set to 14kg.Monitor two line flue gas emissions mouths, result is as follows:
Remarks: sample mode is instantaneous accidental sampling, and synchronization is sampled to 1#, 2# line floss hole.
I is stochastical sampling first time; II is stochastical sampling second time; By that analogy.
A is conventional dry powder injection apparatus; B is the utility model dry powder injection apparatus.
Can draw from upper table, when calcium hydroxide consumption is the same, conventional equipment A is unstable to the removal effect of sour gas, and the fluctuation of sour gas exit concentration is large, even has situation about exceeding standard; And the removal effect of the utility model application device B is more stable, exit concentration fluctuation is little, and substantially all up to standard.This Patent equipment improves chemical agent utilization rate.
Claims (3)
1. one kind is sprayed the device of dry powder in flue gas, it is characterized in that, comprise large shower nozzle, the little shower nozzle of cone, bend pipe, described bend pipe (1) connects dry powder conveyance conduit (4) and nozzle, nozzle is made up of large shower nozzle (2) and the little shower nozzle of cone (3), and the little shower nozzle of cone (3) is fixedly mounted on the centre position of large shower nozzle (2), and large and small shower nozzle cross section is concentric circles, little shower nozzle is cone, the top alignment bend pipe (1) of the little shower nozzle of cone (2); Described bend pipe is 90 ° of bend pipes.
2. a kind of device spraying dry powder in flue gas according to claim 1, is characterized in that, described nozzle is arranged on flue or reaction tower central authorities, and discharging opening direction is consistent with flue gas flow direction.
3. a kind of device spraying dry powder in flue gas according to claim 1, is characterized in that, described powder nozzle outlet is annular, and little shower nozzle is cone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420815318.0U CN204365138U (en) | 2014-12-22 | 2014-12-22 | A kind of device spraying dry powder in flue gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420815318.0U CN204365138U (en) | 2014-12-22 | 2014-12-22 | A kind of device spraying dry powder in flue gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204365138U true CN204365138U (en) | 2015-06-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420815318.0U Active CN204365138U (en) | 2014-12-22 | 2014-12-22 | A kind of device spraying dry powder in flue gas |
Country Status (1)
| Country | Link |
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| CN (1) | CN204365138U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104492250A (en) * | 2014-12-22 | 2015-04-08 | 上海康恒环境股份有限公司 | Device for jetting dry powder into flue gas |
| CN105879625A (en) * | 2016-06-08 | 2016-08-24 | 济南清洁能源科技发展有限公司 | Efficient reverse flue gas mixer |
-
2014
- 2014-12-22 CN CN201420815318.0U patent/CN204365138U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104492250A (en) * | 2014-12-22 | 2015-04-08 | 上海康恒环境股份有限公司 | Device for jetting dry powder into flue gas |
| CN105879625A (en) * | 2016-06-08 | 2016-08-24 | 济南清洁能源科技发展有限公司 | Efficient reverse flue gas mixer |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |