CN201930710U - Magnesium desulfurization system - Google Patents
Magnesium desulfurization system Download PDFInfo
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- CN201930710U CN201930710U CN2010206908169U CN201020690816U CN201930710U CN 201930710 U CN201930710 U CN 201930710U CN 2010206908169 U CN2010206908169 U CN 2010206908169U CN 201020690816 U CN201020690816 U CN 201020690816U CN 201930710 U CN201930710 U CN 201930710U
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Abstract
The utility model provides a magnesium desulfurization system with higher desulfurization efficiency and low construction and operational costs, which comprises an absorption tower, wherein a spraying system is arranged at the upper part in the absorption tower, a slurry pond is arranged at the lower part in the absorption tower, a water inlet pipeline of the spraying system is communicated with the slurry pond through a circulating pump, an air outlet of the absorption tower is communicated with a chimney, the slurry pond is filled with desulfurization slurry including magnesia and/or magnesium hydroxide, and the desulfurization slurry is used for spraying the flue gas entered into the absorption tower through the spraying system after being pressurized through the circulating pump; and the magnesium desulfurization system further comprises a slurry production subsystem, wherein the slurry production subsystem comprises a powder grinder, a water supply device and a slurry storage tank, an ore powder outlet of the powder grinder is communicated with an ore powder inlet of the slurry storage tank, a feed water inlet of the water supply inlet is communicated with a water inlet of the slurry storage tank, and the slurry storage tank is communicated with the slurry pond of the absorption tower through a slurry delivery pipeline. The magnesium desulfurization system has high desulfurization efficiency and low investment cost and avoids the problems of scaling and blocking of the equipment.
Description
Technical field
The utility model relates to the environment-friendly engineering technical field, is specifically related to a kind of magnesium method desulphurization system.
Background technology
Flue gas desulfurization is the effective means of control China sulfur dioxide pollution, and process is simple, raw material sources abundant, with low cost, stable and desulfuration efficiency advantages of higher and the limestone-gypsum wet desulphurization has, and has obtained extensive use.But the accessory substance that capital expenditure is big, operating cost is high because this technology exists, generate easily causes shortcomings such as secondary pollution.
The utility model content
In view of this, the utility model provides a kind of magnesium method desulphurization system, has higher desulfuration efficiency, and construction and operating cost are low.
The purpose of this utility model is achieved in that and comprises the absorption tower, top in the described absorption tower is provided with spray system, the bottom is provided with the slurries pond, the water inlet pipe of described spray system is communicated with the slurries pond by circulating pump, the gas outlet on absorption tower is communicated with chimney, splendid attire contains the desulfurization slurry of magnesia and/or magnesium hydroxide in the described slurries pond, and desulfurization slurry sprays the flue gas that enters the absorption tower through spray system after pressurizeing by circulating pump; Also comprise slurries production subsystem, described slurries are produced subsystem and are comprised flour mill, water supply installation, slurries storage tank, the breeze outlet of flour mill is communicated with the breeze inlet of slurries storage tank, the feed water inlet of water supply installation is communicated with the water inlet of slurries storage tank, and the slurries storage tank is communicated with the slurries pond on absorption tower by the slurries conveyance conduit.
Further, comprise that also slurries reclaim subsystem, described slurries reclaim subsystem and comprise waste-water vortex device, drier and the calcining furnace that is communicated with successively, and the inlet of described waste-water vortex device is communicated with the bottom in slurries pond, absorption tower, and the outlet of calcining furnace is communicated with the breeze inlet of slurries storage tank.
Further, also comprise the oxidation fan that is communicated with the slurries pond.
Magnesium method desulphurization system is with respect to existing limestone-gypsum wet desulfurization system, and the desulfurizing agent sufficient raw is with low cost; Because the molecular weight of magnesia and magnesium hydroxide is all smaller than calcium carbonate and calcium oxide, therefore desulfuration efficiency will be higher than existing limestone-gypsum wet desulfurization system, and because the raising of desulfuration efficiency, structural design on the absorption tower, the size of recycle slurry liquid measure, the overall size of system, the power of equipment can be corresponding less, so, the investment cost of whole desulphurization system can reduce more than 20%, and, the equipment scaling blockage problem can not take place in the desulfurization of magnesium method, the pH value of also being convenient to control desulfurization slurry is 5.5 ~ 6.5, eliminates the equipment component etching problem, and the product that desulfurization generates can be recycled, or utilize again, further save cost.
Description of drawings
For the purpose, technical scheme and the advantage that make utility model is clearer, the utility model is described in further detail below in conjunction with accompanying drawing:
Fig. 1 shows magnesium method desulphurization system structural representation.
The specific embodiment
Hereinafter with reference to accompanying drawing, preferred embodiment of the present utility model is described in detail.
Referring to Fig. 1, the magnesium method desulphurization system of present embodiment, comprise absorption tower 1, top in the described absorption tower 1 is provided with spray system 9, the bottom is provided with slurries pond 10, the water inlet pipe of described spray system 9 is communicated with slurries pond 10 by circulating pump 3, the gas outlet on absorption tower 1 is communicated with chimney 2, the oxidation fan 12 that is communicated with slurries pond 10 also can be set, splendid attire contains the desulfurization slurry of magnesia and/or magnesium hydroxide in the described slurries pond 10, and desulfurization slurry sprays through 9 pairs of flue gases that enter the absorption tower of spray system after pressurizeing by circulating pump 3, and the flue gas that contains sulfur dioxide enters absorption tower 1, contact with desulfuration solution is reverse, remove clean flue gas behind the sulfur dioxide through the top, absorption tower, enter chimney 2 and enter atmosphere, desulfurization slurry is after circulating pump 3 pressurizations, spray through spray system 9 again, recycle.Described desulfurization slurry is the slurries that magnesite, shepardite and/or dolomite contain magnesium matchmaker ore, and its solid content is 15 ~ 30%, and pH value is 5.5 ~ 6.5.Best, it is 2:1 that desulfurization slurry is selected shepardite and dolomite mass ratio for use, and when solid content was 24% shepardite slurries, desulfuration efficiency can reach more than 99%.
Also comprise slurries production subsystem, described slurries are produced subsystem and are comprised flour mill 4, water supply installation 11, slurries storage tank 5, the breeze outlet of flour mill 4 is communicated with the breeze inlet of slurries storage tank 5, the feed water inlet of water supply installation 11 is communicated with the water inlet of slurries storage tank 5, and slurries storage tank 5 is communicated with the slurries pond 10 on absorption tower 1 by the slurries conveyance conduit.Magnesium-containing ore through flour mill grind 4 broken after, enter serum pot 5, in serum pot 5 with water be mixed into desulfurization slurry, be transported to slurries pond 10 by the slurries conveyance conduit then.
Comprise that also slurries reclaim subsystem, described slurries reclaim subsystem and comprise waste-water vortex device 6, drier 7 and the calcining furnace 8 that is communicated with successively, the inlet of described waste-water vortex device 6 is communicated with by the bottom of discharge pipe with slurries pond, absorption tower 10, and the outlet of calcining furnace 8 is communicated with the breeze inlet of slurries storage tank 5.Slurries behind the absorption sulfur dioxide, it is the mixed solution of magnesium sulfite and magnesium sulfate, mixed solution enters waste-water vortex device 6 through discharge pipe, remove most of moisture, enter the drier 7 of magnesium sulfite and magnesium sulfate then, enter calcining furnace 8 then, magnesium sulfite and magnesium sulfate resolve into magnesia and sulfur dioxide.Sulfur dioxide is recovered utilization, and it is recycling that magnesia enters serum pot 5.Slurries reclaim subsystem also can be by emitting slurries, liquid level and concentration of slurry in the control absorption tower from slurries pond 10.
Magnesium-containing ore through flour mill grind 4 broken after, enter serum pot 5, in serum pot 5 with water be mixed into desulfurization slurry, its solid content is 15 ~ 30%.By the amount that slurries in the control serum pot 5 enter absorption tower 1, the pH value of slurries in the control absorption tower 1, pH value is controlled at 5.5 ~ 6.5, to guarantee desulfuration efficiency and absorbent utilization rate.
Claims (3)
1. magnesium method desulphurization system, it is characterized in that: comprise the absorption tower, top in the described absorption tower is provided with spray system, the bottom is provided with the slurries pond, the water inlet pipe of described spray system is communicated with the slurries pond by circulating pump, the gas outlet on absorption tower is communicated with chimney, and splendid attire contains the desulfurization slurry of magnesia and/or magnesium hydroxide in the described slurries pond, and desulfurization slurry sprays the flue gas that enters the absorption tower through spray system after pressurizeing by circulating pump; Also comprise slurries production subsystem, described slurries are produced subsystem and are comprised flour mill, water supply installation, slurries storage tank, the breeze outlet of flour mill is communicated with the breeze inlet of slurries storage tank, the feed water inlet of water supply installation is communicated with the water inlet of slurries storage tank, and the slurries storage tank is communicated with the slurries pond on absorption tower by the slurries conveyance conduit.
2. magnesium method desulphurization system as claimed in claim 1, it is characterized in that: comprise that also slurries reclaim subsystem, described slurries reclaim subsystem and comprise waste-water vortex device, drier and the calcining furnace that is communicated with successively, the inlet of described waste-water vortex device is communicated with the bottom in slurries pond, absorption tower, and the outlet of calcining furnace is communicated with the breeze inlet of slurries storage tank.
3. magnesium method desulphurization system as claimed in claim 1 or 2 is characterized in that: also comprise the oxidation fan that is communicated with the slurries pond.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206908169U CN201930710U (en) | 2010-12-30 | 2010-12-30 | Magnesium desulfurization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206908169U CN201930710U (en) | 2010-12-30 | 2010-12-30 | Magnesium desulfurization system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201930710U true CN201930710U (en) | 2011-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206908169U Expired - Lifetime CN201930710U (en) | 2010-12-30 | 2010-12-30 | Magnesium desulfurization system |
Country Status (1)
| Country | Link |
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| CN (1) | CN201930710U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102019139A (en) * | 2010-12-31 | 2011-04-20 | 中电投远达环保工程有限公司 | Magnesium desulfurization system |
| CN112340256A (en) * | 2020-11-25 | 2021-02-09 | 大连海事大学 | Magnesium hydroxide slurry supply device and application thereof |
-
2010
- 2010-12-30 CN CN2010206908169U patent/CN201930710U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102019139A (en) * | 2010-12-31 | 2011-04-20 | 中电投远达环保工程有限公司 | Magnesium desulfurization system |
| CN112340256A (en) * | 2020-11-25 | 2021-02-09 | 大连海事大学 | Magnesium hydroxide slurry supply device and application thereof |
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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: 20110817 |
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| CX01 | Expiry of patent term |