CN218339663U - Lime powder slurrying device for silicon-making flue gas desulfurization - Google Patents
Lime powder slurrying device for silicon-making flue gas desulfurization Download PDFInfo
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- CN218339663U CN218339663U CN202221485273.6U CN202221485273U CN218339663U CN 218339663 U CN218339663 U CN 218339663U CN 202221485273 U CN202221485273 U CN 202221485273U CN 218339663 U CN218339663 U CN 218339663U
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Abstract
The utility model relates to a system silicon flue gas desulfurization is with lime powder slurrying device comprises lime powder storehouse, slurrying pond, cistern, circulation pond, inlet tube, flushing pipe and for the thick liquid pipe, the upper portion in lime powder storehouse be equipped with the feed inlet, the top in lime powder storehouse be equipped with the dust remover, upper portion, middle part and the lower part in lime powder storehouse all be equipped with the charge level indicator, the bottom in lime powder storehouse be equipped with the discharge gate. The utility model discloses a through setting up the lateral wall agitator in the slurrying pond, reach the mixing stirring all around to the thick liquid bottom in the slurrying pond, prevent lime powder in the bottom and deposit and pile up all around, make lime powder and water misce bene, reaction complete, be favorable to the desulfurization that the desulfurizer is better to the flue gas, promote desulfurization efficiency.
Description
Technical Field
The utility model belongs to the technical field of flue gas desulfurization equipment, concretely relates to system silicon flue gas desulfurization is with lime powder slurrying device.
Technical Field
In the silicon production industry, it is common to use a short hood semi-closed type electric furnace with Silica (SiO) 2 ) Petroleum coke and refined coal are used as raw materials, and the industrial silicon is obtained after the impurities are removed and the raw materials are cooled through oxidation-reduction reaction at the high temperature of an electric furnace. Sulfur in raw materials such as petroleum coke, charcoal, wood blocks (wood chips), clean coal and the like adopted in the production process reacts with oxygen at high temperature to generate sulfur dioxide, the sulfur dioxide contained in flue gas can pollute the environment, and the flue gas can be discharged after being desulfurized and purified. In the industrial production of wet desulphurization, the desulphurization process using lime powder slurry as a desulfurizer has mature technology, high desulphurization efficiency and easy treatment and utilization of desulphurization products, thus being widely used. The lime powder slurry preparation device used at present is easy to precipitate and accumulate lime powder at the bottom and the side in a pulping tank, so that the reaction of the lime powder and water is insufficient and complete, the desulfurization effect of a desulfurizer is poor, the desulfurizer is easy to corrode and block pulping equipment, the operation failure rate of the pulping equipment is high, and the stable operation of the whole flue gas desulfurization system is seriously influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects of the prior art and providing a lime powder slurrying device for silicon-making flue gas desulfurization.
The utility model discloses a realize through following technical scheme:
a lime powder slurrying device for silicon-making flue gas desulfurization consists of a lime powder bin, a slurrying pool, a water storage tank, a circulating pool, a water inlet pipe, a flushing pipe and a slurry feeding pipe, wherein a feed port is formed in the upper part of the lime powder bin; the middle part of the pulping tank is provided with a primary stirrer, the side walls of the two ends of the pulping tank are provided with side wall stirrers in an inserting manner, one side of the side wall stirrer is provided with a manual flushing nozzle, the manual flushing nozzle is communicated and connected with a reservoir through a flushing pipe, the upper water inlet of the pulping tank is communicated and connected with the reservoir through a water inlet pipe, and the bottom pulp outlet of the pulping tank is communicated and connected with a circulating tank through a pulp feeding pipe; the inside second grade agitator that is equipped with of circulation pond, the inner wall in circulation pond and pulping pond on all be equipped with anticorrosive coating.
The water inlet pipe is sequentially provided with a water inlet pump and a water inlet valve.
The flushing pipe is sequentially provided with a flushing pump and a flushing valve.
The slurry feeding pipe is sequentially provided with a slurry feeding pump and a slurry feeding valve.
The first-stage stirrer, the second-stage stirrer and the side wall stirrer are all made of all metal.
The slurry feeding pipe is made of an FRP pipe lining 901 resin material.
Compared with the prior art, the utility model discloses following beneficial effect has: 1. the utility model discloses a through setting up the lateral wall agitator in the slurrying pond, mix stirring to the thick liquid bottom in the slurrying pond and all around, prevent lime powder from precipitating and piling up in bottom and all around, make lime powder and water misce bene, reaction complete, be favorable to the desulfurization that the desulfurizer is better to the flue gas, promote desulfurization efficiency; 2. the utility model discloses a set up artifical washing nozzle, wash the lateral wall agitator after shutting down a period, prevent that the thick liquid from blockking up the patchhole of lateral wall agitator and causing mechanical failure, effectively promoted the operating stability of device; 3. the material level meter in the lime powder bin can accurately monitor the storage capacity of the lime powder in the bin, and the star-shaped feeding valve on the discharge port can accurately and uniformly convey powder to the pulping tank, so that the accurate proportioning of the raw materials of the desulfurizer is facilitated, and the reaction of the lime powder and water is further more sufficient and complete; 4. through setting up the circulating tank and providing a buffer pool for the desulfurizer gets into the desulfurizing tower before, carry out the secondary mixing reaction to the desulfurizer, prevent that the not abundant desulfurizer of reaction from getting into the desulfurizing tower in advance, provide the better desulfurizer of effect for the desulfurizing tower desulfurization.
Drawings
Figure 1 is a schematic structural diagram of the present invention,
in the figure: 1-pulping pool, 2-star feeding valve, 3-discharge port, 4-lime powder bin, 5-level gauge, 6-dust remover, 7-feed port, 8-first-stage stirrer, 9-water inlet valve, 10-water inlet pump, 11-water inlet pipe, 12-water storage tank, 13-flushing pump, 14-flushing valve, 15-flushing pipe, 16-manual flushing nozzle, 17-second-stage stirrer, 18-circulating pool, 19-pulp feeding pipe, 20-pulp feeding valve, 21-pulp feeding pump, 22-anticorrosive coating and 23-side wall stirrer.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples, but the scope of the present invention is not limited by the examples.
Example 1
A lime powder pulping device for silicon-making flue gas desulfurization comprises a lime powder bin 4, a pulping pool 1, a reservoir 12, a circulating pool 18, a water inlet pipe 11, a flushing pipe 15 and a pulp feeding pipe 19, wherein a feed inlet 7 is formed in the upper part of the lime powder bin 4, a dust remover 6 is arranged at the top of the lime powder bin 4, level gauges 5 are arranged on the upper part, the middle part and the lower part of the lime powder bin 4, a discharge port 3 is formed in the bottom of the lime powder bin 4, a star-shaped feed valve 2 is arranged on the discharge port 3, and the outlet of the star-shaped feed valve 2 is communicated and connected with the feed inlet 7 of the pulping pool 1; the middle part of the pulping tank 1 is provided with a primary stirrer 8, the side walls of two ends of the pulping tank 1 are respectively provided with a side wall stirrer 23 in an inserting manner, one side of the side wall stirrer 23 is provided with a manual flushing nozzle 16, the manual flushing nozzle 16 is communicated and connected with the water storage tank 12 through a flushing pipe 15, the upper water inlet of the pulping tank 1 is communicated and connected with the water storage tank 12 through a water inlet pipe 11, and the bottom pulp outlet of the pulping tank 1 is communicated and connected with the circulating tank 18 through a pulp feeding pipe 19; and a secondary stirrer 17 is arranged in the circulating tank 18, and anticorrosive coatings 22 are arranged on the inner walls of the circulating tank 18 and the pulping tank 1.
The water inlet pipe 11 is sequentially provided with a water inlet pump 10 and a water inlet valve 9.
The flushing pipe 15 is provided with a flushing pump 13 and a flushing valve 14 in sequence.
The slurry feeding pipe 19 is sequentially provided with a slurry feeding pump 21 and a slurry feeding valve 20.
The first-stage stirrer 8, the second-stage stirrer 17 and the side wall stirrer 23 are all made of all metal.
The sizing pipe 19 is made of FRP pipe liner 901 resin material.
Before pulping, finished lime powder is sent into a lime powder bin 4 through a pipeline by a self-discharging sealing tanker, the lime powder is evenly sent into a pulping pool 1 by a star-shaped feeding valve 2, meanwhile, a water storage pool 12 supplies water to the pulping pool 1 through a water inlet pipe 11, a first-stage stirrer 8 and a side wall stirrer 23 are used for stirring and mixing evenly, so that the lime powder and the water are fully and completely reacted, slurry formed after reaction is sent into a circulating pool 18 through a slurry feeding pipe 19, the slurry is sent into a desulfurizing tower for desulfurizing flue gas after secondary mixing reaction in the circulating pool 18, and in a device stop interval, the side wall stirrer 23 is manually washed through a manual washing nozzle 16, and the side wall stirrer 23 is prevented from being blocked.
Claims (6)
1. The lime powder pulping device for silicon-making flue gas desulfurization consists of a lime powder bin, a pulping pool, a reservoir, a circulating pool, a water inlet pipe, a flushing pipe and a pulp feeding pipe, and is characterized in that a feed port is formed in the upper part of the lime powder bin, a dust remover is arranged at the top of the lime powder bin, material level meters are arranged on the upper part, the middle part and the lower part of the lime powder bin, a discharge port is formed in the bottom of the lime powder bin, a star-shaped feeding valve is arranged on the discharge port, and the outlet of the star-shaped feeding valve is communicated and connected with the feed port of the pulping pool; the middle part of the pulping tank is provided with a primary stirrer, the side walls of the two ends of the pulping tank are provided with side wall stirrers in an inserting manner, one side of the side wall stirrer is provided with a manual flushing nozzle, the manual flushing nozzle is communicated and connected with a reservoir through a flushing pipe, the upper water inlet of the pulping tank is communicated and connected with the reservoir through a water inlet pipe, and the bottom pulp outlet of the pulping tank is communicated and connected with a circulating tank through a pulp feeding pipe; the inside second grade agitator that is equipped with of circulation pond, the inner wall in circulation pond and pulping pond on all be equipped with anticorrosive coating.
2. The lime powder slurrying device for silicon-making flue gas desulfurization according to claim 1, wherein a water inlet pump and a water inlet valve are sequentially arranged on the water inlet pipe.
3. The lime powder slurrying device for silicon-making flue gas desulfurization according to claim 1, wherein a flushing pump and a flushing valve are sequentially arranged on the flushing pipe.
4. The lime powder pulping device for desulfurization of silica-making flue gas of claim 1, wherein the slurry feeding pipe is sequentially provided with a slurry feeding pump and a slurry feeding valve.
5. The lime powder slurrying device for silicon-making flue gas desulfurization according to claim 1, wherein the primary stirrer, the secondary stirrer and the side wall stirrer are all made of all metal.
6. The lime powder pulping device for desulfurization of silica fume according to claim 1, wherein the mortar feeding pipe is made of FRP pipe liner 901 resin material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221485273.6U CN218339663U (en) | 2022-06-14 | 2022-06-14 | Lime powder slurrying device for silicon-making flue gas desulfurization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221485273.6U CN218339663U (en) | 2022-06-14 | 2022-06-14 | Lime powder slurrying device for silicon-making flue gas desulfurization |
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| CN218339663U true CN218339663U (en) | 2023-01-20 |
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| CN202221485273.6U Active CN218339663U (en) | 2022-06-14 | 2022-06-14 | Lime powder slurrying device for silicon-making flue gas desulfurization |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116440730A (en) * | 2023-06-16 | 2023-07-18 | 大唐环境产业集团股份有限公司 | High-concentration wastewater stirring system and method |
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2022
- 2022-06-14 CN CN202221485273.6U patent/CN218339663U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116440730A (en) * | 2023-06-16 | 2023-07-18 | 大唐环境产业集团股份有限公司 | High-concentration wastewater stirring system and method |
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