CN202143817U - Flue gas desulfurization limestone slurry feeding system in circulating manner - Google Patents
Flue gas desulfurization limestone slurry feeding system in circulating manner Download PDFInfo
- Publication number
- CN202143817U CN202143817U CN201120232486U CN201120232486U CN202143817U CN 202143817 U CN202143817 U CN 202143817U CN 201120232486 U CN201120232486 U CN 201120232486U CN 201120232486 U CN201120232486 U CN 201120232486U CN 202143817 U CN202143817 U CN 202143817U
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- flue gas
- slurry
- gas desulfurization
- lime stone
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Abstract
The utility model discloses a flue gas desulfurization limestone slurry feeding system in a circulating manner, which comprises a slurry circulating pond, a circulating pump and a limestone slurry preparing system. A limestone slurry outlet of the limestone slurry preparing system is communicated with the slurry circulating pond; an inlet of the circulating pump is communicated with the slurry circulating pond, and an outlet of the circulating pump is communicated with a shower pipe in an absorption tower; and the slurry circulating pond is communicated with the bottom of the absorption tower. In the flue gas desulfurization limestone slurry feeding system in the circulating manner, an absorption tower slurry pond and a limestone slurry box of traditional flue gas desulfurization equipment are combined into one slurry circulating pond so as to simplify the arrangement of the system; therefore, the function requirements of desulfurization equipment can be met; furthermore, the floor area of the overall desulfurization equipment can be reduced, the manufacturing and mounting cost can be reduced, the operation technology is simple, and the operation cost is also reduced. The desulfurization equipment is environmentally friendly, is economic and practicable and is suitable for small-sized units, so that the mounting and application of the desulfurization equipment on the small-sized units can be effectively promoted.
Description
Technical field
The utility model relates to a kind of subsystem of flue gas desulfur device, is specifically related to a kind of flue gas desulfurization lime stone slurry cyclically charging system.
Background technology
Along with economy development constantly rapidly, atmosphere is by SO
2The situation of severe contamination is day by day remarkable.Coal burning flue gas desulfurization (FGD) is uniquely now can reduce SO on a large scale
2The approach of discharging, in this technology, limestone/gypsum wet process of FGD (WFGD) occupies leading position.The principle of wet flue gas desulfurization absorption tower is to utilize the lime stone alkaline slurry to spray from the top down, and flue gas flows from bottom to top, and lime stone slurry drops in the SO that absorbs in the dropping process in the flue gas
2, generate byproducts such as gypsum, reach the SO that removes in the flue gas
2Purpose, slough SO
2Flue gas get into chimney and enter atmosphere.
But exist a large amount of small-sized power plants for self-supply in the domestic non-electric industry at present, and do not have desulfurization.The flue gas that this part power plant arranges has caused certain pollution to atmosphere; For this reason, the practical sulfur removal technology technology and equipment of exploitation small scall coal-fired boiler progressively advances industry and forms the large-scale production ability; Being to promote pressing for of air contaminant treatment work, also is current problem of being eager to solve.
Therefore, need to simplify the desulfurizer system and be provided with, reduce manufacturing, installation and operation cost, make desulfurizer environmental friendliness and economical and practical, be applicable to small-sized unit, thereby promote the installation application of desulfurizer on small-sized unit.
Summary of the invention
In view of this; The utility model provides a kind of flue gas desulfurization lime stone slurry cyclically charging system, and this system is when satisfying the desulfurizer functional requirement, and system is provided with remarkable simplification; Reduce desulfurizer manufacturing, installation and operation cost, make desulfurizer environmental friendliness and economical and practical.
The flue gas desulfurization lime stone slurry cyclically charging system of the utility model; Comprise slurries circulatory pool, circulating pump and limestone slurry liquid preparing system; The lime stone slurry outlet of said limestone slurry liquid preparing system is communicated with the slurries circulatory pool; The inlet of said circulating pump is communicated with the slurries circulatory pool, and outlet is communicated with shower in the absorption tower, is communicated with bottom said slurries circulatory pool and the absorption tower.
Further, said limestone slurry liquid preparing system comprises limestone powder bin, screw(-type) feeder and the grey water mixer that is positioned at slurries circulatory pool top and is communicated with successively from top to bottom, and the lime stone slurry outlet of said grey water mixer is communicated with the slurries circulatory pool;
Further, said limestone powder bin top is provided with deduster;
Further, said limestone powder bin top and side are provided with level-sensing device;
Further, be provided with the fluidized drying system bottom the said limestone powder bin;
Further, said screw(-type) feeder is a frequency conversion type, and its measuring accuracy is ± 0.5%, and control accuracy is ± 1%;
Further, be provided with agitator in the said slurries circulatory pool;
Further, said agitator is the jacking-type agitator, and mixing arm is a carbon steel line with rubber twi-tier blade;
Further, said slurries circulatory pool is the ground lower storage reservoir.
The beneficial effect of the utility model is: the utility model is merged into a slurries circulatory pool with the absorption tower stock tank and the lime stone slurry case of traditional flue gas desulfur device; The lime stone slurry of limestone slurry liquid preparing system preparation directly feeds in the slurries circulatory pool; Lime stone slurry in the slurries circulatory pool flows back to the recycle of slurries circulatory pool again after delivering to the absorption tower spray, and suitably replenishes the lime stone slurry of the new preparation of limestone slurry liquid preparing system; The utility model has been simplified system's setting, can satisfy the functional requirement of desulfurizer, and whole desulfurizer floor space is reduced, and has reduced manufacturing, installation cost, and operating procedure is simple, has also reduced operating cost; The utility model makes desulfurizer environmental friendliness and economical and practical, is applicable to small-sized unit, can effectively promote the installation application of desulfurizer on small-sized unit.
Description of drawings
For the purpose, technical scheme and the advantage that make the utility model is clearer, will combine accompanying drawing that the utility model is done further to describe in detail below, wherein:
Fig. 1 is the structural representation of the utility model.
The specific embodiment
Below will be with reference to accompanying drawing, the preferred embodiment of the utility model is carried out detailed description.
Fig. 1 is the structural representation of the utility model; As shown in the figure, the flue gas desulfurization lime stone slurry cyclically charging system of the utility model comprises slurries circulatory pool 1, circulating pump 2 and limestone slurry liquid preparing system; The lime stone slurry outlet of said limestone slurry liquid preparing system is communicated with slurries circulatory pool 1; The inlet of said circulating pump 2 is communicated with slurries circulatory pool 1, and outlet is communicated with shower in the absorption tower, is communicated with bottom said slurries circulatory pool 1 and the absorption tower; The lime stone slurry of limestone slurry liquid preparing system preparation directly feeds in the slurries circulatory pool 1; Lime stone slurry in the slurries circulatory pool 1 flows back to 1 recycle of slurries circulatory pool through pipeline A again after delivering to the absorption tower spray through circulating pump 2, and suitably replenishes the lime stone slurry of the new preparation of limestone slurry liquid preparing system.
In the present embodiment; Said limestone slurry liquid preparing system comprises limestone powder bin 3, screw(-type) feeder 4 and the grey water mixer 5 that is positioned at slurries circulatory pool 1 top and is communicated with successively from top to bottom, and the lime stone slurry outlet of said grey water mixer 5 is communicated with slurries circulatory pool 1; Agstone is through screw(-type) feeder 4 laggard ash charge water mixers 5 and after industry water fully mixes, and is configured to flow directly in the slurries circulatory pool 1 behind the slurries of finite concentration (20% ~ 30%); Certainly, said limestone slurry liquid preparing system can also be the serum producing system of other type, such as: with the agstone in the limestone powder bin by Weighing feeder with grind into slurries in belt conveyor is delivered to wet ball mill.
In the present embodiment, said limestone powder bin 3 tops are provided with deduster 6; Prevent that limestone powder bin 3 from discharging dust in environment.
In the present embodiment, said limestone powder bin 3 tops and side are provided with level-sensing device; Carry out the filling metering of agstone, agstone is transported to limestone powder bin 3 through pipeline B and stores.
In the present embodiment, said limestone powder bin 3 bottoms are provided with fluidized drying system 7; Fluidized drying system 7 mainly is made up of fluidisation plate, the mechanical, electrical heater of fluidized wind and pipe-line system, and behind heater, is provided with thermometer and Pressure gauge, is used to prevent that powder from luming because of moist.
In the present embodiment, said screw(-type) feeder 4 is a frequency conversion type, and its measuring accuracy is ± 0.5%, and control accuracy is ± 1%; Can control the feeding coal of agstone.
In the present embodiment, be provided with agitator 8 in the said slurries circulatory pool 1; Agitator 8 mainly is to prevent that lime stone slurry from depositing.
In the present embodiment, said agitator 8 is the jacking-type agitator, and mixing arm is a carbon steel line with rubber twi-tier blade; Certainly, the material of agitator also can adopt all-metal construction, but for the Control Engineering cost, should adopt the carbon steel line with rubber.
In the present embodiment, said slurries circulatory pool 1 is the ground lower storage reservoir; Make things convenient for the slurries in the absorption tower to be fed directly in the slurries circulation stock tank 1; Certainly, the slurries circulatory pool also can be set to the ground upper storage reservoir, and its shape can adopt Fang Chi also can be set to the circle pond.
Explanation is at last; Above embodiment is only unrestricted in order to the technical scheme of explanation the utility model; Although the preferred embodiment through with reference to the utility model is described the utility model; But those of ordinary skill in the art should be appreciated that and can make various changes to it in form with on the details, and the spirit and the scope of the utility model that does not depart from appended claims and limited.
Claims (9)
1. flue gas desulfurization lime stone slurry cyclically charging system; It is characterized in that: comprise slurries circulatory pool (1), circulating pump (2) and limestone slurry liquid preparing system; The lime stone slurry outlet of said limestone slurry liquid preparing system is communicated with slurries circulatory pool (1); The inlet of said circulating pump (2) is communicated with slurries circulatory pool (1), and outlet is communicated with shower in the absorption tower, is communicated with bottom said slurries circulatory pool (1) and the absorption tower.
2. flue gas desulfurization lime stone slurry cyclically charging according to claim 1 system; It is characterized in that: said limestone slurry liquid preparing system comprises limestone powder bin (3), screw(-type) feeder (4) and the grey water mixer (5) that is positioned at slurries circulatory pool (1) top and is communicated with successively from top to bottom, and the lime stone slurry outlet of said grey water mixer (5) is communicated with slurries circulatory pool (1).
3. flue gas desulfurization lime stone slurry cyclically charging according to claim 2 system, it is characterized in that: said limestone powder bin (3) top is provided with deduster.
4. flue gas desulfurization lime stone slurry cyclically charging according to claim 2 system, it is characterized in that: said limestone powder bin (3) top and side are provided with level-sensing device.
5. flue gas desulfurization lime stone slurry cyclically charging according to claim 2 system is characterized in that: said limestone powder bin (3) bottom is provided with fluidized drying system (7).
6. flue gas desulfurization lime stone slurry cyclically charging according to claim 2 system, it is characterized in that: said screw(-type) feeder (4) is a frequency conversion type, and its measuring accuracy is ± 0.5%, and control accuracy is ± 1%.
7. according to any described flue gas desulfurization lime stone slurry cyclically charging system of claim 1 to 6, it is characterized in that: be provided with agitator (8) in the said slurries circulatory pool (1).
8. flue gas desulfurization lime stone slurry cyclically charging according to claim 7 system, it is characterized in that: said agitator (8) is the jacking-type agitator, and mixing arm is a carbon steel line with rubber twi-tier blade.
9. according to any described flue gas desulfurization lime stone slurry cyclically charging system of claim 1 to 6, it is characterized in that: said slurries circulatory pool (1) is the ground lower storage reservoir.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120232486U CN202143817U (en) | 2011-07-04 | 2011-07-04 | Flue gas desulfurization limestone slurry feeding system in circulating manner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120232486U CN202143817U (en) | 2011-07-04 | 2011-07-04 | Flue gas desulfurization limestone slurry feeding system in circulating manner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202143817U true CN202143817U (en) | 2012-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120232486U Expired - Lifetime CN202143817U (en) | 2011-07-04 | 2011-07-04 | Flue gas desulfurization limestone slurry feeding system in circulating manner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202143817U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103007652A (en) * | 2012-12-26 | 2013-04-03 | 枣庄矿业(集团)有限责任公司田陈煤矿 | Limestone silo with dust remover |
| CN111001287A (en) * | 2019-11-14 | 2020-04-14 | 湖州双金机械配件有限公司 | Desulfurization equipment is used in production of metal steel casting |
-
2011
- 2011-07-04 CN CN201120232486U patent/CN202143817U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103007652A (en) * | 2012-12-26 | 2013-04-03 | 枣庄矿业(集团)有限责任公司田陈煤矿 | Limestone silo with dust remover |
| CN111001287A (en) * | 2019-11-14 | 2020-04-14 | 湖州双金机械配件有限公司 | Desulfurization equipment is used in production of metal steel casting |
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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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120215 |