CN201864562U - Device for manufacturing sulfuric acid by sulfur foams produced by desulphurizing ferric oxide powder turbid liquid - Google Patents
Device for manufacturing sulfuric acid by sulfur foams produced by desulphurizing ferric oxide powder turbid liquid Download PDFInfo
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- CN201864562U CN201864562U CN2010206042414U CN201020604241U CN201864562U CN 201864562 U CN201864562 U CN 201864562U CN 2010206042414 U CN2010206042414 U CN 2010206042414U CN 201020604241 U CN201020604241 U CN 201020604241U CN 201864562 U CN201864562 U CN 201864562U
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- ferric oxide
- sulphur
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Abstract
The utility model relates to a device for manufacturing sulfuric acid by sulfur foams produced by desulphurizing a ferric oxide powder turbid liquid, which comprises a concentrating device, a dryer, a heating purifier, a burner, a deduster, a heat exchanger, a drying tower, a heating catalysis tower and an absorption tower, wherein the concentrating device is connected with a desulfurization system through a connecting pipe, and the concentrating device, the dryer, the heating purifier, the burner, the deduster, the heat exchanger, the drying tower, the heating catalysis tower and the absorption tower are sequentially connected. The device has low power consumption, good operating environment, less investment and good economic benefits; and sulfur foams produced by the desulfurization system can be manufactured into sulfuric acid, ferric oxide slags generated after sulfur slurry oxidization are utilized to produce the ferric oxide powder turbid liquid for desulfurization, and the cyclic utilization of the ferric oxide powder is realized.
Description
Technical field
The utility model relates to desulfurization and sulfuric acid manufacturing technology field, the production equipment that adopts the brown iron oxide suspension liquid to remove hydrogen sulfide in the gas can produce the sulphur foam that contains ferric oxide, the utility model is that the sulphur in this sulphur foam is made sulfuric acid, and the ferric oxide in the sulphur foam is made the device of the brown iron oxide that can suspend in water.
Background technology
Using more desulfurizer in the existing H 2 S-containing gas purification process is the liquid phase catalytic oxidation desulphurization system.
It is absorption agent that liquid phase catalytic oxidation is selected weakly alkaline solution (as yellow soda ash, ammoniacal liquor etc.) usually for use, add the oxygen carrier catalyzer in the solution and play katalysis, after reaction, change into Sodium sulfhydrate (sulphur hydrogenation ammonium) or sodium polysulphide (ammonium polysulfide) with this hydrogen sulfide that is absorbed in the gas, and then do oxidizer oxygen with airborne oxygen and change into sulphur, solution is regenerated, and the sulphur of generation is discharged with the sulphur form of foam.Existing sulphur foam treatment unit can be divided into centrifugal treating device, press filtration treatment unit, melt three kinds in sulphuring treatment device.
Utilize centrifugal device and filter-pressing device to handle the sulphur foam and have following shortcoming:
1) owing to contain a large amount of gases in the sulphur foam, cause gas with spray discharge when centrifugal and press filtration sulphur foam, a large amount of sulphur foam droplets splash with jet flow stream around the equipment, operating environment of pollution;
2) the sulphur cream water content that obtains through centrifugal and press filtration is bigger, is unfavorable for further processing and transportation;
3) whizzer and pressure filter complex operation can't carry out continuous production;
4) the sulphur cream that obtains through centrifugal and press filtration finds no sale, and economic benefit is low.
5) can't reclaim the croci that contains in the brown iron oxide sulphur foam.
Utilize molten sulphuring treatment device to have following shortcoming:
1) sulphur foam and clear liquid enter sulfur melting kettle simultaneously and heat, and energy consumption is higher;
2) at high temperature doctor solution is strong to sulfur melting kettle corrodibility, causes the sulfur melting kettle maintenance frequent;
3) molten sulfur is a bulk product, in packing, transportation, inconvenience when using;
4) molten sulfur that part suspends in the continuous sulfur melting system can be desulfurized liquid and take desulphurization system to, causes the obstruction of pipeline and equipment;
5) block molten sulfur product marketing is bad, and economic benefit is low.
6) can't handle the sulphur foam that contains brown iron oxide.
The utility model content
The purpose of this utility model provides a kind of sulphur foam that adopts the desulfurization of brown iron oxide suspension liquid to produce and makes the vitriolic device, adopts that this device manufacturing sulfuric acid energy consumption is low, good operational environment, less investment, and is good in economic efficiency; The sulphur foam that desulfurization produces can be manufactured sulfuric acid, and utilize the oxidation scum production desulfurization brown iron oxide suspension liquid that produces after the oxidation of sulphur cream, realize the recycle of brown iron oxide.
For achieving the above object, the utility model is achieved through the following technical solutions:
The sulphur foam that adopts the desulfurization of brown iron oxide suspension liquid to produce is made the vitriolic device, comprise concentrating unit, dryer, add heat purifying instrument, burner, fly-ash separator, interchanger, drying tower, heatable catalytic tower, absorption tower, concentrating unit is connected with desulphurization system by connecting tube, concentrating unit, dryer, adds heat purifying instrument, burner, fly-ash separator, interchanger, drying tower, heatable catalytic tower, absorption tower and is connected successively.
Described burner also connects mixing tank, and mixing tank is provided with desulphurization circulating liquid or water inlet, and mixing tank is connected with desulphurization system by connecting tube and pump.
Be provided with the oven dry gas passage in the described interchanger, the oven dry gas passage is communicated with dryer by connecting tube.
Described absorption tower is connected with dryer by connecting tube.
Compared with prior art, the beneficial effects of the utility model are:
1) the heat oven dry sulphur cream that utilizes the sulphur oxidation to produce has reduced energy consumption;
2) present method can reclaim the brown iron oxide in the sulphur foam, effectively reduces desulphurization cost;
3) utilize the sulphur in the sulphur foam to produce sulfuric acid, good in economic efficiency, cost is low;
4) device is simple to operate, can continuous production;
5) this method and brown iron oxide suspension liquid method desulfurizer are used, and can reach the purpose of less energy-consumption, low cost, high benefit.
Description of drawings
Fig. 1 is a structure iron of the present utility model.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described in detail.
See Fig. 1, the sulphur foam that adopts the desulfurization of brown iron oxide suspension liquid to produce is made the vitriolic device, comprise concentrating unit 2, dryer 3, add heat purifying instrument 4, burner 5, fly-ash separator 7, interchanger 8, drying tower 9, heatable catalytic tower 10, absorption tower 11, concentrating unit 2 is connected with desulphurization system 1 by connecting tube, concentrating unit 2, dryer 3, adds heat purifying instrument 4, burner 5, fly-ash separator 7, interchanger 8, drying tower 9, heatable catalytic tower 10, absorption tower 11 and is connected successively.Burner 5 also connects mixing tank 6, and mixing tank 6 is provided with desulphurization circulating liquid or water inlet, and mixing tank 6 is connected with desulphurization system 1 by connecting tube and pump.Be provided with the oven dry gas passage in the interchanger 8, the oven dry gas passage is communicated with dryer 3 by connecting tube; Absorption tower 11 is connected with dryer 3 by connecting tube.
The sulphur foam that adopts said apparatus to realize that the desulfurization of brown iron oxide suspension liquid produces is made the vitriolic method, the sulphur foam that will contain brown iron oxide is made sulfuric acid through concentrated, dry, as to add thermal purification, oxidation, catalyzed oxidation, absorption method, and utilize remaining scum production desulfurization brown iron oxide suspension liquid after the oxidation of sulphur cream, concrete steps are as follows:
1) the ferric oxide sulphur foam 13 that contains that desulphurization system 1 is produced is sent into concentrating unit 2 and is concentrated, form sulphur cream 14, sulphur cream 14 after concentrating is sent into dryer 3 dry formation contain sulfur granules 15, to contain sulfur granules 15 then and send into and add heat purifying instrument 4 and be heated to 80 ℃～400 ℃, and make to contain the volatilizable composition that contains in the sulfur granules and vapor away;
2) will send into burner 5 through the sulfur granules 16 that contains that adds thermal purification, the sulphur and the airborne oxygen generation oxidizing reaction that contain in burner 5 in the sulfur granules generate sulfurous gas and sulphur trioxide, control reaction temperature is between 350 ℃～850 ℃ when reaction, remaining scum 17 enters in the mixing tank 6 and mixes generation brown iron oxide suspension liquid 18 with water or desulphurization circulating liquid 19 after the sulphur oxidation, and brown iron oxide suspension liquid 18 is sent desulphurization system 1 back to;
3) furnace gas that contains sulfurous gas and sulphur trioxide 20 that comes out from burner 5 enters fly-ash separator 7, send into mixing tank 6 by the iron content dust that fly-ash separator 7 gets off, furnace gas after the dedusting enters the oven dry gas 22 that interchanger 8 heating, drying machines are used, oven dry gas 21 after the heating enters dryer 3, enter drying tower 9 after the furnace gas 23 process blower fan pressurizations through heat exchange, in drying tower, contain the furnace gas of sulfurous gas and sulphur trioxide with the dry washing of the vitriol oil;
4) furnace gas that comes out from drying tower 9 enters heatable catalytic tower 10, and furnace gas is made the oxidizing sulfur dioxide in the furnace gas become sulphur trioxide by repeatedly heat exchange and catalyzed oxidation in heatable catalytic tower 10;
5) furnace gas that comes out from heatable catalytic tower 10 enters absorption tower 11, produces sulfuric acid 24 with the sulphur trioxide that the vitriol oil 25 absorbs in the furnace gas, in order to improve specific absorption many heatable catalytic towers and absorption tower can be set;
6) the 11 hot furnace gases 26 that come out can be delivered to dryer 3 oven dry sulphur cream from the absorption tower, also can be used for dry saliniferous brown iron oxide suspension liquid to obtain dried iron powder.
Claims (4)
1. the sulphur foam that adopts the desulfurization of brown iron oxide suspension liquid to produce is made the vitriolic device, it is characterized in that, comprise concentrating unit, dryer, add heat purifying instrument, burner, fly-ash separator, interchanger, drying tower, heatable catalytic tower, absorption tower, concentrating unit is connected with desulphurization system by connecting tube, concentrating unit, dryer, adds heat purifying instrument, burner, fly-ash separator, interchanger, drying tower, heatable catalytic tower, absorption tower and is connected successively.
2. the sulphur foam that employing brown iron oxide suspension liquid desulfurization according to claim 1 produces is made the vitriolic device, it is characterized in that, described burner also connects mixing tank, and mixing tank is provided with desulphurization circulating liquid or water inlet, and mixing tank is connected with desulphurization system by connecting tube and pump.
3. the sulphur foam that employing brown iron oxide suspension liquid desulfurization according to claim 1 and 2 produces is made the vitriolic device, it is characterized in that, is provided with the oven dry gas passage in the described interchanger, and the oven dry gas passage is communicated with dryer by connecting tube.
4. the sulphur foam that employing brown iron oxide suspension liquid desulfurization according to claim 1 and 2 produces is made the vitriolic device, it is characterized in that described absorption tower is connected with dryer by connecting tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206042414U CN201864562U (en) | 2010-11-12 | 2010-11-12 | Device for manufacturing sulfuric acid by sulfur foams produced by desulphurizing ferric oxide powder turbid liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206042414U CN201864562U (en) | 2010-11-12 | 2010-11-12 | Device for manufacturing sulfuric acid by sulfur foams produced by desulphurizing ferric oxide powder turbid liquid |
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| Publication Number | Publication Date |
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| CN201864562U true CN201864562U (en) | 2011-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010206042414U Expired - Fee Related CN201864562U (en) | 2010-11-12 | 2010-11-12 | Device for manufacturing sulfuric acid by sulfur foams produced by desulphurizing ferric oxide powder turbid liquid |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101966984A (en) * | 2010-11-12 | 2011-02-09 | 姜辉 | Method for producing sulfuric acid by utilizing sulfur foam generated by ferric oxide powder suspension desulfurization |
-
2010
- 2010-11-12 CN CN2010206042414U patent/CN201864562U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101966984A (en) * | 2010-11-12 | 2011-02-09 | 姜辉 | Method for producing sulfuric acid by utilizing sulfur foam generated by ferric oxide powder suspension desulfurization |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110615 Termination date: 20161112 |