CN201735329U - Slurry tank of flue gas desulfurization system - Google Patents
Slurry tank of flue gas desulfurization system Download PDFInfo
- Publication number
- CN201735329U CN201735329U CN2009202943279U CN200920294327U CN201735329U CN 201735329 U CN201735329 U CN 201735329U CN 2009202943279 U CN2009202943279 U CN 2009202943279U CN 200920294327 U CN200920294327 U CN 200920294327U CN 201735329 U CN201735329 U CN 201735329U
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- Prior art keywords
- slurries
- flue gas
- supersaturation
- slurry
- gas desulfurization
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Abstract
The utility model relates to the technical field of environment-friendly desulfuration, particularly to a slurry tank of a flue gas desulfurization system, which is applicable to limestone/lime-gypsum wet-method flue gas desulfurization to improve the quality of the gypsum generated after desulfuration. A plurality of slurry supersaturation detection devices and a plurality of stirring devices are arranged in the slurry tank of the flue gas desulfurization system; the stirring device is in transmission connection with a stirring driving device; the slurry tank of the flue gas desulfurization system further comprises a control device; the signal input terminal of the control device is electrically connected with the signal output terminals for detecting the slurry of the slurry supersaturation detection devices; the control output terminal of the control device is electrically connected with the control input terminal of the stirring driving device; the slurry supersaturation detection devices and the stirring devices are uniformly arranged in the circumferential direction of the slurry tank; and the stirring driving device adopts a reversible motor.
Description
Technical field
The utility model relates to the environment protection desulphurization technical field, is specifically related to a kind of flue gas desulphurization system slurries pond.
Background technology
Process for flue gas desulfurization by limestone/lime-gypsum wet is the most ripe, the widest method of application surface in all existing technologies.The basic technology route of this method is to adopt lime stone (lime) slurries to make absorbent, absorbs the SO2 in the flue gas, through a series of chemical reaction, generates gypsum at last and reclaims.Particle size is one of important quality index of gypsum, and commercial requirement to the desulfurated plaster particle diameter is: granularity is about 100 μ m.
At present, in the process that desulfurated plaster generates,, tend to generate especially acicular crystal of stratiform if process conditions control is bad, and further to bulk → felty texture development, the extremely difficult dehydration of the feasible gypsum that is generated; The fine grained gypsum also causes system's fouling easily; Simultaneously, in the less gypsum crystal, also can there be impurity such as a spot of calcium sulfite, calcium chloride and calcirm-fluoride, influence gypsum purity.Therefore, must control the crystallization condition of gypsum, make it to generate the gypsum crystal of coarse granule and prismatic structure.In the existing technology, resulting desulfurated plaster particle diameter is all less, generally concentrate between the 40-80 micron, reduced the gypsum quality, increased cost and difficulty that the gypsum commercialization utilizes, the thing followed is that a large amount of desulfurated plasters are not used, and produces new solid waste, not only take a large amount of soils, and caused secondary pollution.Therefore improving the generation and the quality of desulfurization product-gypsum, increase operation rate, is at present urgent urgent problem.
In the growth course of gypsum, suitable degree of supersaturation is a very important factor.Existing flue gas desulfurization absorption system is difficult to guarantee the uniformity of slurries degree of supersaturation in the slurries pond, and therefore, the slurries degree of supersaturation of zones of different is all away from average degree of supersaturation value--desirable degree of supersaturation value in the slurries pond.In the zone much smaller than desirable degree of supersaturation, degree of supersaturation is little, and the crystal growth driving force is little, and crystal growth is slow, the crystal particle diameter that forms little; In the zone much larger than desirable degree of supersaturation, slurries are in the range of instability, very easily form a large amount of new nucleus, and a large amount of new nucleus are vied each other, and growth finally still can only form a large amount of small grains simultaneously.
The utility model content
In view of this,, the utility model proposes a kind of flue gas desulphurization system slurries pond, be applicable to process for flue gas desulfurization by limestone/lime-gypsum wet, can improve the quality of the gypsum of desulfurization generation in order to address the above problem.
The purpose of this utility model is achieved in that flue gas desulphurization system slurries pond, and described flue gas desulphurization system slurries are provided with slurries supersaturation checkout gear, agitating device in the pond, and described agitating device and mixer drive are in transmission connection; Also comprise control device, the signal input part of described control device is electrically connected with the signal output part that slurries supersaturation checkout gear detects slurries, and the control output end of control device is electrically connected with the control input end of mixer drive.
Further, described slurries supersaturation checkout gear and agitating device are a plurality of, and a plurality of slurries supersaturation checkout gears and a plurality of agitating device are circumferentially evenly arranged along the slurries pond;
Further, described mixer drive is a reversible electric machine.
Compared with prior art, advantage of the present utility model is: can be according to the degree of supersaturation of slurries, slurries are carried out corresponding stirring operation, slurries are fully mixed, and keep dynamic homogeneity, make that each regional degree of supersaturation of slurries all remains in the metastable state scope of crystallization in the slurries pond, thereby reduce the new karyogenesis rate of gypsum, strengthen the crystalline growth driving force of its existing little crystal grain, under the situation that does not change absorption tower physical dimension, recycle slurry liquid measure, obtain the gypsum of bigger particle diameter, thereby improve the quality of gypsum.
Other advantage of the present utility model, target, to set forth in the following description to a certain extent with feature, and to a certain extent, based on being conspicuous to those skilled in the art, perhaps can from practice of the present utility model, obtain instruction to investigating hereinafter.Target of the present utility model and other advantage can be passed through following specification, claims, and the specifically noted structure realizes and obtains in the accompanying drawing.
Description of drawings
Fig. 1 is the structural representation in flue gas desulphurization system slurries pond;
Fig. 2 is the structural representation of flue gas desulphurization system.
The specific embodiment
Below with reference to accompanying drawing, the specific embodiment of the present utility model is described.
Referring to Fig. 1, circumferentially evenly arrange a plurality of slurries supersaturation checkout gears 3 and a plurality of agitating device 4 in the flue gas desulphurization system slurries pond 2 of present embodiment, described agitating device 4 is in transmission connection with mixer drive 5; Also comprise control device 6, the signal input part of described control device 6 is electrically connected with the signal output part that slurries supersaturation checkout gear 3 detects slurries, and the control output end of control device 6 is electrically connected with the control input end of mixer drive 5.Each agitating device 4 is driven by a mixer drive 5 respectively, each mixer drive 5 is respectively by 6 controls of a control device, described slurries supersaturation checkout gear 3 and the corresponding one by one setting of agitating device 4, promptly an agitating device 4 is arranged in the detection range of a slurries supersaturation checkout gear 3; Described mixer drive 5 is a reversible electric machine, and described reversible electric machine is done periodically positive de-rotation according to the control of control device.
Referring to Fig. 2, the flue gas desulphurization system slurries pond 2 of present embodiment can be arranged on the bottom in the scrubbing tower 1.
The above is a preferred embodiment of the present utility model only, is not limited to the utility model, and obviously, those skilled in the art can carry out various changes and modification and not break away from spirit and scope of the present utility model the utility model.Like this, if of the present utility model these are revised and modification belongs within the scope of the utility model claim and equivalent technologies thereof, then the utility model also is intended to comprise these changes and modification interior.
Claims (3)
1. flue gas desulphurization system slurries pond, it is characterized in that: described flue gas desulphurization system slurries are provided with slurries supersaturation checkout gear, agitating device in the pond, and described agitating device and mixer drive are in transmission connection; Also comprise control device, the signal input part of described control device is electrically connected with the signal output part that slurries supersaturation checkout gear detects slurries, and the control output end of control device is electrically connected with the control input end of mixer drive.
2. flue gas desulphurization system slurries as claimed in claim 1 pond is characterized in that: described slurries supersaturation checkout gear and agitating device are a plurality of, and a plurality of slurries supersaturation checkout gears and a plurality of agitating device are circumferentially evenly arranged along the slurries pond.
3. based on claim 1 or 2 described flue gas desulphurization system slurries ponds, it is characterized in that: described mixer drive is a reversible electric machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202943279U CN201735329U (en) | 2009-12-31 | 2009-12-31 | Slurry tank of flue gas desulfurization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202943279U CN201735329U (en) | 2009-12-31 | 2009-12-31 | Slurry tank of flue gas desulfurization system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201735329U true CN201735329U (en) | 2011-02-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202943279U Expired - Lifetime CN201735329U (en) | 2009-12-31 | 2009-12-31 | Slurry tank of flue gas desulfurization system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201735329U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115624855A (en) * | 2022-10-26 | 2023-01-20 | 汇舸(南通)环保设备有限公司 | High-efficient desulfurizing tower |
-
2009
- 2009-12-31 CN CN2009202943279U patent/CN201735329U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115624855A (en) * | 2022-10-26 | 2023-01-20 | 汇舸(南通)环保设备有限公司 | High-efficient desulfurizing tower |
| CN115624855B (en) * | 2022-10-26 | 2023-10-10 | 汇舸(南通)环保设备有限公司 | High-efficient desulfurizing tower |
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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 |
Granted publication date: 20110209 |
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| CX01 | Expiry of patent term |