CN102001836A - Combined high-efficiency quicklime slaking device - Google Patents
Combined high-efficiency quicklime slaking device Download PDFInfo
- Publication number
- CN102001836A CN102001836A CN 201010594387 CN201010594387A CN102001836A CN 102001836 A CN102001836 A CN 102001836A CN 201010594387 CN201010594387 CN 201010594387 CN 201010594387 A CN201010594387 A CN 201010594387A CN 102001836 A CN102001836 A CN 102001836A
- Authority
- CN
- China
- Prior art keywords
- slaking
- area
- digestion
- digestion zone
- efficiency
- 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.)
- Pending
Links
Images
Landscapes
- Treating Waste Gases (AREA)
Abstract
The invention discloses a combined high-efficiency quicklime slaking device comprising a front stand and a rear stand. The front stand is provided with a primary coarse granule slaking area, an primary granule feeding hole of the primary coarse granule slaking area is provided with a quicklime storage bin and a variable-frequency vortex arrester, the primary coarse granule slaking area is internally provided with a first longitudinal stirring component, the rear stand is provided with a secondary slaking area and a complete slaking area, a secondary feeding hole at the front part of the secondary slaking area is connected with a primary discharging hole of the primary coarse granule slaking area, a secondary discharging hole at the rear part of the secondary slaking area is connected with a final feeding hole of the complete slaking area, the back of the complete slaking area is provided with a final discharging hole which is connected with a desulphurization reactor, the secondary slaking area and the complete slaking area are respectively and internally provided with a second transversal stirring component and a third transversal stirring component, a first spraying device is arranged above the primary coarse granule slaking area, and a second spraying device is arranged above the secondary slaking area. The invention can avoid the scaling and the blocking in the device, slake quicklime with poor activity, improve the slaking efficiency, randomly control the addition of materials, reduce the system floor occupation, improve the system stability, decrease the system investment and the system operation cost and omit a primary quicklime screw conveyer and a bag-type dust collector for discharging steam exhaust.
Description
[technical field]
The present invention relates to the flue gas desulfurization field, the combination high-efficiency quicklime slaking device that relates in particular in the flue gas desulfurization to be adopted.
[technical background]
Existing dry flue gas desulphurization adopts steam streaming mode or mechanical stirring mode to become quicklime slaking white lime to produce with the dry powder sweetening agent usually; It is to make quicklime slaking by input steam in digesting tower that the steam streaming mode carries out lime slaking, and the digestion tower exports grey gas mixture and by tripping device the coarse particles circulation entered digestion tower continuation digestion, and it is stand-by that salable product are gone into finished bin.It is to add water unslaked lime and water mixture slaking are produced in stirrer that the mechanical stirring mode is carried out lime slaking.
The steam fluidizing method is produced the shortcoming of white lime: 1) exhaust steam of Chan Shenging is more; 2) steam consumption quantity is big; 3) the hydrated lime particle homogeneity of Sheng Chenging is relatively poor, need carry out sorting process.
Traditional mechanical stirring mode is produced the white lime shortcoming: 1) only add water in the one-level agitator, adding water management needs very accurate, during as the lime inferior quality, react required Total Water and only add the one-level agitator, the water that has little time to react will make the lime caking stop up agitator, and the moisture content of evaporation causes the exhaust system bridging; 2) use pipe connection between the superior and the subordinate's agitator, when Flow of Goods and Materials, easily stop up; 3) finished product needs intermediate bin to store easy inactivation, easy blocking pipe during conveying.
[summary of the invention]
Purpose of the present invention is exactly in order to solve problems of the prior art, proposes a kind of combination high-efficiency quicklime slaking device, can either avoid internal incrustation, obstruction, can improve digestive efficiency again, and reduces investment and running cost.
For achieving the above object, patent of the present invention has proposed a kind of combination high-efficiency quicklime slaking device, comprise forebay and afer bay, described forebay is provided with elementary coarse particles digestion zone, the primary granule opening for feed of elementary coarse particles digestion zone is provided with the unslaked lime warehouse, be provided with first vertical mixing component in the elementary coarse particles digestion zone, described afer bay is provided with secondary digestion zone and complete digestion district, secondary digestion zone forward secondary feed connects the elementary discharge port of elementary coarse particles digestion zone, the secondary discharge port at secondary digestion zone rear portion connects the final stage opening for feed in complete digestion district, the rear portion in complete digestion district is provided with the final stage discharge port, the final stage discharge port connects desulphurization reactor, be respectively equipped with the second horizontal mixing component and the 3rd horizontal mixing component in described secondary digestion zone and the complete digestion district, the top of described elementary coarse particles digestion zone is provided with first waterworks, and the top of secondary digestion zone is provided with second waterworks.
As preferably, described first vertical mixing component comprises first of vertical layout, be distributed with first blade and second blade on described first, described first blade and first axial angle α is at 25～35 °, the equidistant vertically spiral of second blade distributes, this more reasonable structure, mixing effect is better.
As preferably, the end in the end of described elementary coarse particles digestion zone, the end of secondary digestion zone and complete digestion district is respectively equipped with first overflow plate, second overflow plate, the 3rd overflow plate.
As preferably, the volumetric ratio in described secondary digestion zone and complete digestion district is 4: 6, and the volume of elementary coarse particles digestion zone is the volumetrical 1/2～2/3 of secondary digestion zone, this more reasonable structure, and mixing effect is better.
As preferably, described first vertical mixing component is connected to first drive unit, and the second horizontal mixing component and the 3rd horizontal mixing component are connected to second drive unit, and simple in structure, power is good.
As preferably, also be provided with the frequency conversion air locking device under the described unslaked lime warehouse, control the add-on of material arbitrarily, control is flexibly.
As preferably, described first waterworks is divided into 3 nozzles, and the spacing M between the two adjacent nozzles: N is 0.3～0.5, can close wherein one or two nozzles arbitrarily according to the situation of material, makes that its spray effect is better, digests more abundant.
As preferably, the bottom in described elementary coarse particles digestion zone, secondary digestion zone and complete digestion district is equipped with compressed air blowing cleaner, empties the material in the equipment when guaranteeing to shut down.
As preferably, the discharge port in described complete digestion district directly is connected with desulphurization reactor, guarantees the exhaust steam that material digestion at different levels generate because of its underbalance effect and directly enters in the desulphurization reactor.
The beneficial effect of patent of the present invention: the present invention can either avoid device internal incrustation, obstruction, can digest active relatively poor unslaked lime, can improve digestive efficiency again, can reduce simultaneously system takes up an area of, the stability of raising system, investment of reduction system and running cost can be saved one-level unslaked lime worm conveyor and remove the sack cleaner of exhaust steam.
[description of drawings]
Fig. 1 is the structural representation of a kind of combination high-efficiency quicklime slaking of the present invention device;
Fig. 2 is the A-A sectional view of Fig. 1.
[embodiment]
As Fig. 1, shown in 2, a kind of combination high-efficiency quicklime slaking device, comprise forebay 4 and afer bay 22, described forebay 4 is provided with elementary coarse particles digestion zone 3, the primary granule opening for feed 1 of elementary coarse particles digestion zone 3 is provided with unslaked lime warehouse 30, be provided with first vertical mixing component in the elementary coarse particles digestion zone 3, described afer bay 22 is provided with secondary digestion zone 21 and complete digestion district 20, secondary digestion zone 21 forward secondary feed 10 are located at elementary discharge port 9 rear portions of elementary coarse particles digestion zone 3, the rear portion in complete digestion district 20 is provided with final stage discharge port 12, be respectively equipped with the second horizontal mixing component and the 3rd horizontal mixing component in described secondary digestion zone 21 and the complete digestion district 20, the top of described elementary coarse particles digestion zone 3 is provided with first waterworks 2, and the top of secondary digestion zone 21 is provided with second waterworks 11.
Described first vertical mixing component comprises first 7 of vertical layout, is distributed with first blade 5 and second blade 6 on described first 7, and described first blade 5 and first 7 axial angle α is at 25～35 °, and the equidistant vertically spiral of second blade 6 distributes.The described second horizontal mixing component comprises second 17 of lateral arrangement and be distributed in first impeller, 18, the first impellers, 18 axially equidistant symmetric arrangement on second 17.The described the 3rd horizontal mixing component comprises the 3rd 14 of lateral arrangement and be distributed in second impeller, 15, the second impellers, 15 axially equidistant screw arrangement on the 3rd 14.This more reasonable structure, mixing effect is better.
The end in the end of the end of described elementary coarse particles digestion zone 3, secondary digestion zone 21 and complete digestion district 20 is respectively equipped with first overflow plate 8, second overflow plate 16, the 3rd overflow plate 13.Described secondary digestion zone 21 is 4: 6 with the volumetric ratio in complete digestion district 20, and the volume of elementary coarse particles digestion zone 3 is volumetrical 1/2～2/3 of secondary digestion zone 21, this more reasonable structure, and mixing effect is better.Described first vertical mixing component is connected to first drive unit, 27, the second horizontal mixing components and the 3rd horizontal mixing component is connected to second drive unit 23, and simple in structure, power is good.Be provided with automatic weighing feeding device 29 in the described unslaked lime warehouse 30, automatic gauge, accurately control.Described first waterworks 2 is divided into 3 nozzles, and the spacing M between the two adjacent nozzles: N arranges 1～3 cover, second waterworks 11 0.3～0.5 in secondary digestion zone top cross, and it is effective to spray water, and digests more abundant.The bottom in described elementary coarse particles digestion zone 3, secondary digestion zone 21 and complete digestion district 20 is equipped with compressed air blowing cleaner 19, empties the material in the equipment when guaranteeing to shut down.
Material in the total residence time of three digestion zones at 20～40min, whole device is vertically being established primary granule opening for feed 1, elementary discharge port 9, secondary feed 10, final stage discharge port 12 behind the weighing feeding device 29 automatically, mode by overflow after material enters from primary feed port 1 is expelled to secondary feed 10 from elementary discharge port 9, discharge from final stage discharge port 12 by the mode of overflow again, final stage discharge port 12 directly links to each other with smoke absorption tower 28, postdigestive finished product and water vapor directly enter purification system, carry out gas cleaning; Elementary coarse particles digestion zone 3 is driven by first drive unit 27; Secondary digestion zone 21 and complete digestion district 20 are driven by second drive unit 23, therebetween by sprocket wheel 24,26 and chain 25 transferring power.
This device can digest the unslaked lime of different activities, and it is stable, do not stop up, take up an area of little and flexible arrangement, in the semidrying smoke processing system, excellent adaptability is arranged, mainly show: by adding water respectively and adjust each nozzle flow, make water dispenser more even, make lime be difficult for fouling in equipment to elementary coarse particles digestion zone 3 and secondary digestion zone 21; Complete digestion district discharge port directly connects flue gas purification system, and the steam that produces during digestion directly enters purification system, need not establish special gas barrier; Adopt three grades of digestion, residence time of material is long; Material is realized the nature overflow between adjacent digestion zone, can not stop up; Blade in the elementary coarse particles digestion zone 3 has broken function, and material can not lump and thick relatively unslaked lime also can well digest; The slaked lime that digestion generates can directly enter flue gas purification system, does not have loss of activity; Can carry out compressed-air actuated purging cleaning during stoppage in transit, prevent the solid accumulation caking, influence starts; Primary granule digestion zone 3 can be adjusted angle beta according to the place; Primary granule digestion zone 3 has the function of axial convey materials, can save the one-level worm conveyor.
The foregoing description is to explanation of the present invention, is not limitation of the invention, any scheme after the simple transformation of the present invention is all belonged to protection scope of the present invention.
Claims (8)
1. combination high-efficiency quicklime slaking device, it is characterized in that: comprise forebay and afer bay, described forebay is provided with elementary coarse particles digestion zone, the primary granule opening for feed of elementary coarse particles digestion zone is provided with the unslaked lime warehouse, be provided with first vertical mixing component in the elementary coarse particles digestion zone, described afer bay is provided with secondary digestion zone and complete digestion district, secondary digestion zone forward secondary feed connects the elementary discharge port of elementary coarse particles digestion zone, the secondary discharge port at secondary digestion zone rear portion connects the final stage opening for feed in complete digestion district, the rear portion in complete digestion district is provided with the final stage discharge port, the final stage discharge port connects desulphurization reactor, be respectively equipped with the second horizontal mixing component and the 3rd horizontal mixing component in described secondary digestion zone and the complete digestion district, the top of described elementary coarse particles digestion zone is provided with first waterworks, and the top of secondary digestion zone is provided with second waterworks.
2. a kind of combination high-efficiency quicklime slaking device as claimed in claim 1, it is characterized in that: described first vertical mixing component comprises first of vertical layout, be distributed with first blade and second blade on described first, described first blade and first axial angle α is at 25～35 °, and the equidistant vertically spiral of second blade distributes.
3. a kind of combination high-efficiency quicklime slaking device as claimed in claim 1, it is characterized in that: the end in the end of described elementary coarse particles digestion zone, the end of secondary digestion zone and complete digestion district is respectively equipped with first overflow plate, second overflow plate, the 3rd overflow plate.
4. a kind of combination high-efficiency quicklime slaking device as claimed in claim 1, it is characterized in that: the volumetric ratio in described secondary digestion zone and complete digestion district is 4: 6, the volume of elementary coarse particles digestion zone is the volumetrical 1/2～2/3 of secondary digestion zone.
5. a kind of combination high-efficiency quicklime slaking device as claimed in claim 1 is characterized in that: described first vertical mixing component is connected to first drive unit, and the second horizontal mixing component and the 3rd horizontal mixing component are connected to second drive unit.
6. a kind of combination high-efficiency quicklime slaking device as claimed in claim 1 is characterized in that: also be provided with the frequency conversion air locking device under the described unslaked lime warehouse.
7. a kind of combination high-efficiency quicklime slaking device as claimed in claim 1, it is characterized in that: described first waterworks is divided into 3 nozzles, and the spacing M between the two adjacent nozzles: N is 0.3～0.5.
8. as each described a kind of combination high-efficiency quicklime slaking device in the claim 1～7, it is characterized in that: the bottom in described elementary coarse particles digestion zone, secondary digestion zone and complete digestion district is equipped with compressed air blowing cleaner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010594387 CN102001836A (en) | 2010-12-08 | 2010-12-08 | Combined high-efficiency quicklime slaking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010594387 CN102001836A (en) | 2010-12-08 | 2010-12-08 | Combined high-efficiency quicklime slaking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102001836A true CN102001836A (en) | 2011-04-06 |
Family
ID=43809581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010594387 Pending CN102001836A (en) | 2010-12-08 | 2010-12-08 | Combined high-efficiency quicklime slaking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102001836A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102380309A (en) * | 2011-10-24 | 2012-03-21 | 浙江菲达脱硫工程有限公司 | Device and method for preparing active desulfurizing agent |
| CN102976639A (en) * | 2012-11-06 | 2013-03-20 | 镇江市电站辅机厂有限公司 | Quicklime slaking system |
| CN104056570A (en) * | 2014-06-30 | 2014-09-24 | 张家港市锦明机械有限公司 | Efficient desulfuration digesting device |
| CN109608061A (en) * | 2018-12-26 | 2019-04-12 | 南京鲁兴科技有限公司 | A kind of quicklime slaking method |
| CN111892309A (en) * | 2020-08-04 | 2020-11-06 | 中冶北方（大连）工程技术有限公司 | Lime milk preparation device |
| CN112239329A (en) * | 2020-11-02 | 2021-01-19 | 成都国化环保科技有限公司 | Multistage slaked lime slaker |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101450791A (en) * | 2007-12-05 | 2009-06-10 | 淄博鑫亚工贸有限责任公司 | Calcium hydrate preparation method for dry flue gas desulfurization and apparatus thereof |
-
2010
- 2010-12-08 CN CN 201010594387 patent/CN102001836A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101450791A (en) * | 2007-12-05 | 2009-06-10 | 淄博鑫亚工贸有限责任公司 | Calcium hydrate preparation method for dry flue gas desulfurization and apparatus thereof |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102380309A (en) * | 2011-10-24 | 2012-03-21 | 浙江菲达脱硫工程有限公司 | Device and method for preparing active desulfurizing agent |
| CN102976639A (en) * | 2012-11-06 | 2013-03-20 | 镇江市电站辅机厂有限公司 | Quicklime slaking system |
| CN104056570A (en) * | 2014-06-30 | 2014-09-24 | 张家港市锦明机械有限公司 | Efficient desulfuration digesting device |
| CN109608061A (en) * | 2018-12-26 | 2019-04-12 | 南京鲁兴科技有限公司 | A kind of quicklime slaking method |
| CN111892309A (en) * | 2020-08-04 | 2020-11-06 | 中冶北方（大连）工程技术有限公司 | Lime milk preparation device |
| CN112239329A (en) * | 2020-11-02 | 2021-01-19 | 成都国化环保科技有限公司 | Multistage slaked lime slaker |
| CN112239329B (en) * | 2020-11-02 | 2023-12-01 | 成都国化环保科技有限公司 | Multistage slaked lime slaker |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102001836A (en) | Combined high-efficiency quicklime slaking device | |
| CN204073815U (en) | A kind of integrated fume denitration desulfurization dust-removal system | |
| CN202146715U (en) | Dry-process deacidification system | |
| CN202740999U (en) | Novel flue gas desulfurization device | |
| CN215876604U (en) | Dry direct injection desulfurization system for tar-containing flue gas | |
| CN108371880B (en) | Kiln flue gas semidry process defluorination desulfurization dust collecting equipment | |
| CN101983943A (en) | Quicklime coupling and digesting device | |
| CN210186850U (en) | Synergistic semi-dry desulfurization system | |
| CN201908047U (en) | Combined-type high-efficiency quicklime digesting device | |
| CN111256112A (en) | Continuous feeding system suitable for direct blending burning of wet sludge of circulating fluidized bed boiler | |
| CN101450791A (en) | Calcium hydrate preparation method for dry flue gas desulfurization and apparatus thereof | |
| CN218221840U (en) | Structure is recycled to waste incineration power plant SDA semidry process flying dust | |
| CN1185041C (en) | Circular suspension type semi-dry fume purifier | |
| CN216137351U (en) | Wet limestone pulping system for distributing overflow of cyclone | |
| CN211636020U (en) | Desulfurization and denitrification dust removal system with humidification and activation functions | |
| CN201915033U (en) | Calcined lime coupling digestion device | |
| CN209519577U (en) | A kind of cement rotary kiln dry fog desulphurization system | |
| CN113559692A (en) | Double-tower double-circulation semi-dry desulfurization device, process and application | |
| CN218249506U (en) | Boiler flue gas wet desulphurization process system | |
| CN112387108A (en) | Double-stage dry deacidification complete device and method for sludge incineration flue gas | |
| CN207434562U (en) | Dry-process deacidification medicament grinds conveying device | |
| CN202725022U (en) | Flue gas desulfurization returning device of circulating fluidized bed | |
| CN201801463U (en) | Device for preparing lime slurry | |
| CN212017378U (en) | Semi-dry U-shaped desulfurization device | |
| CN216703931U (en) | Wet desulphurization system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20110406 |