CN205223413U - Production system of sulfur dioxide regeneration gas preparation calcium sulfate whisker - Google Patents
Production system of sulfur dioxide regeneration gas preparation calcium sulfate whisker Download PDFInfo
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- CN205223413U CN205223413U CN201521133316.4U CN201521133316U CN205223413U CN 205223413 U CN205223413 U CN 205223413U CN 201521133316 U CN201521133316 U CN 201521133316U CN 205223413 U CN205223413 U CN 205223413U
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Abstract
The utility model provides a production system of sulfur dioxide regeneration gas preparation calcium sulfate whisker, including active carbon desulfurization adsorption tower, the adsorption reaction tower, lime thick liquids liquid storage pot, oxidation acidizing groove, the cooling sedimentation tank, the hydroextractor, desiccator and dense sulfuric acid slot jar, sulfur dioxide regeneration gas that analytic tower obtained is adsorbed for the raw materials from the active carbon desulfurization to this production system, and through the adsorption reaction tower, then in one step of reaction in the oxidation acidizing groove, not only changing waste into valuables need not extract the intermediate product in addition, and process is simple, and friendly to environment can obtain high added value calcium sulfate whisker product.
Description
Technical field
The invention belongs to Chemicals production field, particularly relate to a kind of production system utilizing active carbon desulfurization byproduct sulfurous gas resurgent gases to prepare calcium sulfate crystal whiskers.
Background technology
Calcium sulfate crystal whiskers, another name: crystal whisker of gypsum, gypsum fiber, there is purposes more widely, can be used as paper making raw material, as the reinforcing component of plastics, rubber, urethane, metal and pottery, is the surrogate of asbestos as friction materials, also can be used for environmental engineering aspect, can be used for the detrimental impurity in filtering material removing waste gas and waste water.
At present, the production of domestic and international industrialized calcium sulfate crystal whiskers is mainly raw material with the plaster of paris, mainly contain hydrothermal method and normal pressure acidization two kinds of methods: hydrothermal method is that dihydrate gypsum suspension massfraction being less than 5% is added in high-temperature pressure-proof container and processes, depress at saturation steam, dihydrate gypsum becomes the semi-hydrated gypsum of tiny needle-like, then through stable crystal formation process, obtains hemihydrate calcium sulfate crystal whisker, the method feed quality requirements is high, production cost is high, and application is restricted; Normal pressure acidization refers at a certain temperature, and high density dihydrate gypsum suspension can be transformed into needle-like or fibrous hemihydrate calcium sulfate crystal whisker in an acidic solution.Compared with hydrothermal method, this method does not need high-temperature pressure-proof container, and the specification of quality of raw material is low, is easy to reduce costs, but needs a large amount of acid sludge of outer row, seriously polluted, and development prospect is general.
And the energy structure more than 90% of China is using fire coal as power, burning coal all can produce containing SO
2waste gas, utilize gac to carry out desulfurizing and purifying to waste gas, the high-concentration sulfur dioxide of generation is substantially all for the production of the vitriol oil, and not only attached value is low for it, and the vitriol oil is also harmful influence.
Utility model content
The object of this invention is to provide a kind of sulfurous gas resurgent gases from gac Analytic Tower, become the production system of high value added product calcium sulfate crystal whiskers by sweetening process.
Sulfurous gas resurgent gases prepares the production system of calcium sulfate crystal whiskers, comprise active carbon desulfurization absorption Analytic Tower, absorption reaction tower, lime slurry container for storing liquid, oxidation acidifying groove, cooling settling tank, water extracter, drying machine and concentrated sulfuric acid groove tank, active carbon desulfurization absorption Analytic Tower is connected to absorption reaction tower by pipeline, lime slurry container for storing liquid connects absorption reaction tower by pipeline, the outlet of absorption reaction tower is connected to an entrance of oxidation acidifying groove, another entrance of oxidation acidifying groove is connected with concentrated sulfuric acid groove tank by pipeline, the outlet of oxidation acidifying groove is connected to cooling settling tank by pipeline, the outlet of cooling settling tank is connected to water extracter by pipeline, water extracter is connected with drying machine again.Sulfurous gas resurgent gases adsorbs Analytic Tower from active carbon desulfurization, and the concentration of adsorbing the sulfurous gas resurgent gases that Analytic Tower obtains from this active carbon desulfurization can reach more than 5%.
As preferably, described absorption reaction tower bottom is provided with agitator.
As preferably, be connected with heat pipe heat exchanging pipe successively and cool washing tower between described active carbon desulfurization absorption Analytic Tower and absorption reaction tower.
As preferably, described cooling washing tower is provided with washings relief outlet, and this relief outlet is connected with washings overboard pump successively and strainer is connected to oxidation acidifying groove.
As preferably, between described lime slurry container for storing liquid and absorption reaction tower, be provided with lime white liquid pump.
As preferably, between the outlet of described absorption reaction tower and oxidation acidifying groove, be provided with calcium sulfite overboard pump.
As preferably, between described oxidation acidifying groove and cooling settling tank, be provided with strainer and solution blowdown pump successively.
As preferably, between described cooling settling tank and water extracter, be provided with concentrated solution overboard pump and calcium sulfate rotational flow station successively.
As preferably, the below of described water extracter is provided with drip-pans.
Beneficial effect of the present invention is embodied in: the concentration of the sulfurous gas resurgent gases obtained from active carbon desulfurization adsorption tower can reach more than 5%, it is raw material, obtain high value added product calcium sulfate crystal whiskers, simultaneously at oxidation acidifying groove single step reaction, do not need to extract intermediates, technological process is simple, environmentally friendly, can obtain high added value calcium sulfate whiskers.
Accompanying drawing explanation
Fig. 1 is the structural representation that the utility model sulfurous gas resurgent gases prepares the production system of calcium sulfate crystal whiskers.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further.
Embodiment 1
Sulfurous gas resurgent gases as shown in Figure 1 prepares the production system of calcium sulfate crystal whiskers, comprise active carbon desulfurization absorption Analytic Tower 1, absorption reaction tower 2, lime slurry container for storing liquid 3, oxidation acidifying groove 4, cooling settling tank 5, water extracter 6, drying machine 7, concentrated sulfuric acid groove tank 8, active carbon desulfurization absorption Analytic Tower 1 is connected to absorption reaction tower 2 by pipeline, lime slurry container for storing liquid 3 connects absorption reaction tower 2 by pipeline, the outlet of absorption reaction tower 2 is connected to an entrance of oxidation acidifying groove 3, another entrance of oxidation acidifying groove 3 is connected with concentrated sulfuric acid groove tank 8 by pipeline, the outlet of oxidation acidifying groove 3 is connected to cooling settling tank 5 by pipeline, cooling settling tank 5 exports and is connected to water extracter 6 by pipeline, water extracter 6 is connected with drying machine 7 again, agitator 9 is provided with bottom described absorption reaction tower 2, be connected with heat pipe heat exchanging pipe 10 successively and cool washing tower 11 between described active carbon desulfurization absorption Analytic Tower 1 and absorption reaction tower 2, described cooling washing tower 11 is provided with washings relief outlet, this relief outlet is connected with washings overboard pump 12 successively and strainer 13 is connected to oxidation acidifying groove 4, be provided with between described lime slurry container for storing liquid 3 and absorption reaction tower 2 between the outlet of absorption reaction tower described in lime white liquid pump 14 and oxidation acidifying groove and be provided with calcium sulfite overboard pump 15, strainer 16 and solution blowdown pump 17 is provided with successively between described oxidation acidifying groove 4 and cooling settling tank 5, concentrated solution overboard pump 18 and calcium sulfate rotational flow station 19 is provided with successively between described cooling settling tank 5 and water extracter 6, the below of described water extracter is provided with drip-pans 20, sulfuric acid volume pump 21 is provided with between oxidation acidifying groove 3 and concentrated sulfuric acid groove tank 8.
Above embodiment is only be described preferred implementation of the present utility model; not scope of the present utility model is limited; under the prerequisite not departing from the utility model design spirit; the various distortion that the common engineering technical personnel in this area make the technical solution of the utility model and improvement, all should fall in protection domain that claims of the present utility model determine.
Claims (9)
1. sulfurous gas resurgent gases prepares the production system of calcium sulfate crystal whiskers, it is characterized in that comprising active carbon desulfurization absorption Analytic Tower, absorption reaction tower, lime slurry container for storing liquid, oxidation acidifying groove, cooling settling tank, water extracter, drying machine and concentrated sulfuric acid groove tank, active carbon desulfurization adsorption tower is connected to absorption reaction tower by pipeline, lime slurry container for storing liquid connects absorption reaction tower by pipeline, the outlet of absorption reaction tower is connected to an entrance of oxidation acidifying groove, another entrance of oxidation acidifying groove is connected with concentrated sulfuric acid groove tank by pipeline, the outlet of oxidation acidifying groove is connected to cooling settling tank by pipeline, the outlet of cooling settling tank is connected to water extracter by pipeline, water extracter is connected with drying machine again.
2. sulfurous gas resurgent gases according to claim 1 prepares the production system of calcium sulfate crystal whiskers, it is characterized in that being connected with heat pipe heat exchanging pipe successively between described active carbon desulfurization absorption Analytic Tower and absorption reaction tower and cooling washing tower.
3. sulfurous gas resurgent gases according to claim 1 and 2 prepares the production system of calcium sulfate crystal whiskers, it is characterized in that the bottom of described absorption reaction tower is provided with agitator.
4. sulfurous gas resurgent gases according to claim 2 prepares the production system of calcium sulfate crystal whiskers, it is characterized in that described cooling washing tower is provided with washings relief outlet, and this relief outlet is connected with washings overboard pump successively and strainer is connected to oxidation acidifying groove.
5. sulfurous gas resurgent gases according to claim 1 and 2 prepares the production system of calcium sulfate crystal whiskers, it is characterized in that being provided with lime white liquid pump between described lime slurry container for storing liquid and absorption reaction tower.
6. sulfurous gas resurgent gases according to claim 1 and 2 prepares the production system of calcium sulfate crystal whiskers, it is characterized in that being provided with calcium sulfite overboard pump between the outlet of described absorption reaction tower and oxidation acidifying groove.
7. sulfurous gas resurgent gases according to claim 1 and 2 prepares the production system of calcium sulfate crystal whiskers, it is characterized in that being provided with strainer and solution blowdown pump successively between described oxidation acidifying groove and cooling settling tank.
8. sulfurous gas resurgent gases according to claim 1 and 2 prepares the production system of calcium sulfate crystal whiskers, it is characterized in that being provided with concentrated solution overboard pump and calcium sulfate rotational flow station successively between described cooling settling tank and water extracter.
9. sulfurous gas resurgent gases according to claim 1 and 2 prepares the production system of calcium sulfate crystal whiskers, it is characterized in that the below of described water extracter is provided with drip-pans.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521133316.4U CN205223413U (en) | 2015-12-31 | 2015-12-31 | Production system of sulfur dioxide regeneration gas preparation calcium sulfate whisker |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521133316.4U CN205223413U (en) | 2015-12-31 | 2015-12-31 | Production system of sulfur dioxide regeneration gas preparation calcium sulfate whisker |
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| CN205223413U true CN205223413U (en) | 2016-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201521133316.4U Expired - Fee Related CN205223413U (en) | 2015-12-31 | 2015-12-31 | Production system of sulfur dioxide regeneration gas preparation calcium sulfate whisker |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108283864A (en) * | 2018-04-10 | 2018-07-17 | 江苏德义通环保科技有限公司 | Regenerating active carbon gas preprocessing system device and pretreatment process method |
-
2015
- 2015-12-31 CN CN201521133316.4U patent/CN205223413U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108283864A (en) * | 2018-04-10 | 2018-07-17 | 江苏德义通环保科技有限公司 | Regenerating active carbon gas preprocessing system device and pretreatment process method |
| CN108283864B (en) * | 2018-04-10 | 2024-06-07 | 江苏德义通环保科技有限公司 | Pretreatment system device and pretreatment process method for activated carbon regeneration gas |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160511 Termination date: 20181231 |
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| CF01 | Termination of patent right due to non-payment of annual fee |