CN202161918U - Deacidifying baffle plate device of circulating fluid bed - Google Patents
Deacidifying baffle plate device of circulating fluid bed Download PDFInfo
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- CN202161918U CN202161918U CN2011202175337U CN201120217533U CN202161918U CN 202161918 U CN202161918 U CN 202161918U CN 2011202175337 U CN2011202175337 U CN 2011202175337U CN 201120217533 U CN201120217533 U CN 201120217533U CN 202161918 U CN202161918 U CN 202161918U
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- fluid bed
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Abstract
The utility model relates to a deacidifying device of a circulating fluid bed, in particular to a deacidifying baffle plate device of the circulating fluid bed. A herringbone inertial baffle plate device is obliquely hung above the interior of a circulating fluid bed type deacidifying tower and is formed by welding multiple groups of herringbone arc-shaped steel plates on a bottom plate; each group of herringbone arc-shaped steel plates are formed by welding two arc-shaped steel plates in different sizes; the two arc-shaped steel plates in the different sizes have a height difference; and a gap is reserved between the each group of herringbone arc-shaped steel plates. The deacidifying baffle plate device can reduce smoke resistance, and not only increases the internal circulating load of the circulating fluid bed type deacidifying tower, effectively improves the utilization rate of lime hydrate, reduces the usage amount of the lime hydrate, reduces the load of the lime hydrate to a big filter, but also decreases cost.
Description
Technical field
The utility model relates to a kind of recirculating fluidized bed deacidifying device; Be meant a kind of recirculating fluidized bed depickling retaining device especially; It belongs to tail gas cooling depickling purifier, is applicable to depickling (hydrochloric acid (HCL), the sulfur oxide (SO of city garbage burning treatment facility and various burning facilities
X) removing of waiting) purify.
Background technology
The fume emission of incinerator is handled relevant regulations strictness day by day in recent years.Existing calcium hydroxide depickling bag type filtering mode and the half-dried calcium hydroxide depickling+bag type filtering mode taked, with HCL, SO
XBe controlled at below the stipulated standard etc. harmful substance, in order to improve cyclic utilization rate and to prolong the conventional method in the life-span of bag filter be simultaneously: between circulating fluid bed type extracting tower and bag type filtering, set up centrifugal cleaner.But there is the big and big shortcoming of floor space of flue gas resistance in centrifugal cleaner.
For this reason, as shown in Figure 1, have in circulating fluid bed type extracting tower 30 inner and upper inertia retaining device 40 is set, this inertia retaining device is integral curved plate apparatus (being the deflector form).This curved baffle device falls back in the extracting tower the interior calcium hydroxide collision of circulating fluid bed type extracting tower and recycles once more, has improved the utilization rate of calcium hydroxide, has reduced the use amount of calcium hydroxide, has also reduced the load of calcium hydroxide to bag filter.But the calcium hydroxide arresting efficiency of this arc inertia retaining device is not high enough, causes the cyclic utilization rate of calcium hydroxide still not high enough, and the resistance that flue gas rises is also bigger.
The utility model content
In order to overcome the deficiency of prior art; The utility model provides a kind of recirculating fluidized bed depickling retaining device, and this device can reduce flue gas resistance, has both increased the interior internal circulating load of recirculating fluidized bed extracting tower; Improve the calcium hydroxide utilization rate effectively; Reduce the calcium hydroxide use amount, reduce the load of calcium hydroxide, reduce cost again bag filter.
A kind of recirculating fluidized bed depickling retaining device of the utility model; It is at circulating fluid bed type extracting tower inner and upper superconducting tilting suspension one " people " font inertia retaining device to be set; " people " font inertia retaining device is to be welded on the base plate by many groups of " people " font curved plates to constitute; Every group of " people " font curved plate is welded to form by two big or small curved plates of difference; The curved plate of two different sizes has height fall, leaves the gap between each group " people " font curved plate.
The recirculating fluidized bed depickling retaining device that the utility model provides belongs to tail gas cooling depickling purifier; It is not between circulating fluid bed type extracting tower and bag type filtering, to set up centrifugal cleaner or inertial dust collection equipment; But " people " font inertia retaining device is set in circulating fluid bed type extracting tower inner and upper; Utilize the part bulky grain calcium hydroxide and the collision of " people " font inertia retaining device of circulating fluid bed type extracting tower; Bulky grain calcium hydroxide after the collision fall back in the circulating fluid bed type extracting tower device with extracting tower in flue gas haptoreaction once more, increase circulation in the calcium hydroxide, thereby improve the deacidifying flue gas reaction efficiency.In addition; Because " people " font inertia retaining device adopts the superconducting tilting suspension setting; Therefore, " people " font inertia retaining device can both axially be adjusted along recirculating fluidized bed formula extracting tower according to flue gas resistance direction in the extracting tower and height; And can with the angled adjustment of exhanst gas outlet, to reduce flue gas resistance effectively.Again; Because " people " font curved plate of " people " font inertia retaining device is welded to form by two big or small curved plates of difference; The curved plate of two different sizes has height fall; Leave the gap between each group " people " font curved plate, curved plate forms the arc air flue after being welded in base plate, and the just suitable arc air flue baffling of flue gas is through further reducing flue gas resistance again.Therefore, deacidification efficiency is improved simultaneously, also makes the dust in flue gas after the extracting tower discharge depickling diminish to the load that bag filter causes because reduce the calcium hydroxide consumption, need not to be provided with centrifugal dust arrester again, practices thrift cost.
Description of drawings
Fig. 1 is the known interior integral curved board-like inertia retaining device sketch that is provided with of circulating fluid bed type extracting tower;
The recirculating fluidized bed depickling retaining device sketch map of Fig. 2 the utility model;
Fig. 3 is the sketch map of the utility model " people " font inertia retaining device;
The specific embodiment
Be described with reference to the accompanying drawings the specific embodiment of the utility model: like Fig. 2 at present; Shown in Figure 3; A kind of recirculating fluidized bed depickling retaining device; It is through hanging 5 superconducting tilting suspensions one " people " font inertia retaining device 4 to be set in circulating fluid bed type extracting tower 3 inner and upper; " people " font inertia retaining device is to be welded on the base plate 6 by many groups of " people " font curved plates to constitute, and every group of " people " font curved plate is that big curved plate 8 is welded to form with small apartment steel plate 7 by two big or small curved plates of difference, and the curved plate of two different sizes has height fall; Leave 60～200 millimeter gap s between each group " people " font curved plate, below the recirculating fluidized bed extracting tower, be provided with slag notch 1.
Above-mentioned recirculating fluidized bed depickling retaining device depickling cleaning of off-gas process is following: flue gas before the tail gas that garbage incineration equipment or other burning facility are discharged is handled as depickling; At first get into recirculating fluidized bed extracting tower bottom from advancing mouth 2; After the Venturi acceleration; Get in the recirculating fluidized bed extracting tower, produce spray with the calcium hydroxide that gets into from calcium hydroxide import 12, spray into extracting tower from nozzle 9 again and hit reaction, the salt (calcium chloride (CaCL that reaction produces
2), calcium sulfate (CaSO
4) etc.), the calcium hydroxide that behind partial reaction, falls into the extracting tower bottom is discharged from slag notch 1.Owing to " people " font inertia retaining device 4 is set in circulating fluid bed type extracting tower inner and upper; Flue gas flows through from two groups of " people " font curved plate gaps of " people " font retaining device; The calcium hydroxide of fine granularity and reaction product receive rapidly with flue gas that baffling flows to bag filter from outlet flue 13, and the calcium hydroxide of bulky grain shape or form oarse-grained reaction product and receive action of inertia still produces spray with " people " font curved plate forward and hits; Collision oarse-grained calcium hydroxide in back and reaction product diminish particle; Speed also diminishes, circulation once more in the extracting tower 3 that falls back again, and feasible flue gas of handling and the remaining calcium hydroxide in the extracting tower be secondary response again; Thereby improve interior cycle efficieny, also effectively improved the utilization rate of calcium hydroxide.Simultaneously the extracting tower because oarse-grained calcium hydroxide and reaction product fall back has also reduced the bulky grain thing and has got into bag filter, and the attenuating bag filter is loaded, and has improved bag filter service life.
In the recirculating fluidized bed extracting tower of above-mentioned recirculating fluidized bed depickling retaining device; Above the calcium hydroxide import, also be provided with the mixed flow device; Cold water sprays under the gases at high pressure effect from 10 inflows of mixed flow device water inlet and at mixed flow device air inlet 11 and sprays in the extracting tower with vaporific from nozzle 9 ', is used for the cooling down high-temperature flue gas to improve the depickling reaction efficiency.
Leave 60～200 millimeter gaps between each group " people " font curved plate of " people " font inertia retaining device of above-mentioned recirculating fluidized bed depickling retaining device; Can form best flue gas air flue; So that when reducing flue gas resistance, can make oarse-grained calcium hydroxide and reaction product and " people " in the extracting tower again thus the font curved plate has enough collisions and falls the recycle that realizes remaining calcium hydroxide after rise.
Claims (4)
1. recirculating fluidized bed depickling retaining device; It is characterized in that: one " people " font inertia retaining device is set at circulating fluid bed type extracting tower inner and upper superconducting tilting suspension; " people " font inertia retaining device is to be welded on the base plate by many groups of " people " font curved plates to constitute; Every group of " people " font curved plate is welded to form by two big or small curved plates of difference, and the curved plate of two different sizes has height fall, leaves the gap between each group " people " font curved plate.
2. recirculating fluidized bed depickling retaining device according to claim 1 is characterized in that: leave 60～200 millimeters gaps between each group " people " font curved plate of said " people " font inertia retaining device.
3. recirculating fluidized bed depickling retaining device according to claim 1 is characterized in that: said " people " font inertia retaining device is arranged on circulating fluid bed type extracting tower inner and upper through hanging superconducting tilting suspension.
4. recirculating fluidized bed depickling retaining device according to claim 1 is characterized in that: below the recirculating fluidized bed extracting tower, be provided with slag notch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202175337U CN202161918U (en) | 2011-06-24 | 2011-06-24 | Deacidifying baffle plate device of circulating fluid bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202175337U CN202161918U (en) | 2011-06-24 | 2011-06-24 | Deacidifying baffle plate device of circulating fluid bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202161918U true CN202161918U (en) | 2012-03-14 |
Family
ID=45797770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202175337U Expired - Fee Related CN202161918U (en) | 2011-06-24 | 2011-06-24 | Deacidifying baffle plate device of circulating fluid bed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202161918U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485691A (en) * | 2016-01-07 | 2016-04-13 | 厦门青山绿水再生资源有限公司 | Suspension type combustion, carbonization and splitting integrated equipment |
-
2011
- 2011-06-24 CN CN2011202175337U patent/CN202161918U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485691A (en) * | 2016-01-07 | 2016-04-13 | 厦门青山绿水再生资源有限公司 | Suspension type combustion, carbonization and splitting integrated equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Beijing Sino German Feng Feng Environmental Protection Technology Co., Ltd. Assignor: Fujian Fengquan Environmental Protection Control Co., Ltd. Contract record no.: 2012990000925 Denomination of utility model: Deacidifying baffle plate device of circulating fluid bed Granted publication date: 20120314 License type: Exclusive License Record date: 20121226 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120314 Termination date: 20180624 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |