CN102583396B - Deacidification equipment for producing fumed silica - Google Patents
Deacidification equipment for producing fumed silica Download PDFInfo
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- CN102583396B CN102583396B CN 201210060179 CN201210060179A CN102583396B CN 102583396 B CN102583396 B CN 102583396B CN 201210060179 CN201210060179 CN 201210060179 CN 201210060179 A CN201210060179 A CN 201210060179A CN 102583396 B CN102583396 B CN 102583396B
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- gas
- depickling
- solid separator
- deacidification
- stove
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Abstract
The invention discloses deacidification equipment for producing fumed silica. The deacidification equipment is connected with fumed silica production equipment, and comprises a deacidification furnace and a gas-solid separator, wherein the deacidification furnace is horizontal; the gas-solid separator is vertical; the deacidification furnace and the gas-solid separator are connected and communicated in T shape; the end part of the deacidification furnace is provided with a feed port; the lower part of the deacidification furnace is provided with a plurality of fuel inlets; a fuel baffle for splitting fuel around is arranged above each fuel inlet in the deacidification furnace; a sieve plate on which through holes are densely distributed is arranged above each fuel baffle in the deacidification furnace; a plurality of baffle plates for prolonging the residence time of a material in the deacidification furnace are also arranged in the deacidification furnace; and the upper part of the gas-solid separator is provided with an exhaust port, and the lower part of the gas-solid separator is provided with a discharge port and a slag removal port. The deacidification equipment has the advantages of simple equipment structure, superior temperature control, low energy consumption, full deacidification, high yield, high quality of silica and the like.
Description
Technical field
The present invention relates to a kind of chemical industry equipment, particularly a kind of depickling equipment of gas-phase silica production usefulness.
Background technology
In the gas-phase silica production process, depickling is most important link, and depickling ability and effective bad directly has influence on the quality of white carbon black.The depickling equipment of existing gas-phase silica, all be with electrically heated mode material to be heated to needed temperature, directly contact with material directly feeding in the depickling equipment after gas and the vapor mixing then, wetting white carbon black surface, thus the hydrogenchloride on white carbon black surface is separated.The depickling equipment Electric heating of existing gas-phase silica has two kinds, and a kind of is outer heating, and another kind is internal heating, and these two kinds of type of heating all have shortcoming.There is temperature gradient explained in outer heating, i.e. the temperature height of equipment furnace wall, the temperature of equipment center is low, causes depickling incomplete, influence hard charcoal quality and production capacity; The internal heating mode generally all surpasses 1100 degree because the heating tube surface temperature is higher, and very easily the surface hydroxyl of calcination white carbon black produces macrobead, influences the quality of white carbon black.Therefore no matter be to adopt outer heating or the electrically heated depickling mode of internal heating, have all that deacidification efficiency is low, energy consumption is high, shortcomings such as poor quality of the bad control of temperature, white carbon black.
Summary of the invention
Purpose of the present invention is to overcome the problems referred to above that prior art exists, and a kind of depickling equipment of gas-phase silica production usefulness is provided.
The object of the present invention is achieved like this: a kind of depickling equipment of gas-phase silica production usefulness links to each other with the gas-phase silica production unit; Comprise depickling stove and gas-solid separator, the depickling stove is horizontal, and gas-solid separator is vertical, and depickling stove and gas-solid separator are T-shaped to connect; End at the depickling stove is provided with opening for feed, be provided with a plurality of fuel gas inlet in the bottom of depickling stove, in the depickling stove each fuel gas inlet above be respectively equipped with one be used for combustion gas to around the combustion gas baffle plate of shunting, in the depickling stove, be provided with the sieve plate retaining of a densely covered through hole above each combustion gas baffle plate, in the depickling stove, also be provided with the traverse baffle that polylith is used for prolonging the residence time of material in the depickling stove; The top of gas-solid separator is provided with venting port, and the bottom is provided with discharge port and slag-drip opening.
The outside surface of described depickling stove and gas-solid separator is provided with thermal insulation layer.
Also be respectively equipped with temperature-measuring port and pressure tap on described depickling stove and the gas-solid separator.
The present invention has that device structure is simple, temperature is controlled well, energy consumption is low, depickling is complete, production capacity is high, the quality advantages of higher of white carbon black.
Description of drawings
Fig. 1 is the structural representation of the depickling equipment of gas-phase silica production usefulness of the present invention.
Embodiment
Referring to Fig. 1, the depickling equipment of gas-phase silica production usefulness of the present invention links to each other with the gas-phase silica production unit; Comprise depickling stove 1 and gas-solid separator 2, depickling stove 1 is horizontal, and gas-solid separator 2 is vertical, and depickling stove and gas-solid separator are T-shaped to connect.
Be provided with opening for feed 11 in the end of depickling stove 1, be provided with a plurality of fuel gas inlet 12 in the bottom of depickling stove, in the depickling stove each fuel gas inlet above be respectively equipped with one be used for combustion gas to around the combustion gas baffle plate 13 of shunting, in the depickling stove, be provided with sieve plate 14 retainings of a densely covered through hole above each combustion gas baffle plate, in the depickling stove, also be provided with the traverse baffle 15 that polylith is used for prolonging the residence time of material in the depickling stove, on the depickling stove, also be provided with temperature-measuring port 16 and pressure tap 17, be provided with thermal insulation layer 18 at the outside surface of depickling stove.
The top of gas-solid separator 2 is provided with venting port 21, and the bottom is provided with discharge port 22 and slag-drip opening 23, also is provided with temperature-measuring port 24 and pressure tap 25 on gas-solid separator, is provided with thermal insulation layer 26 at the outside surface of gas-solid separator.
The combustion gas of using among the present invention the time can produce the inflammable gas of water vapor for burning.
Principle of work of the present invention is, heat and water vapor that fuel gas buring is produced enter in the depickling stove by each fuel gas inlet, and directly the hydrogenchloride for desorb white carbon black surface provides needed heat and water vapor.
The sieve plate of densely covered through hole places the fuel gas inlet top, and the water vapor that fuel gas buring produces enters in the depickling stove by the through hole on the sieve plate and contacts with material abundant mixing uniformly, and the hydrogenchloride on white carbon black surface is separated.Traverse baffle can prolong material in the residence time of desorb stove, improves deacidification efficiency.
Gas-solid separator makes that material is separated from the gas to come.
Claims (3)
1. the depickling equipment of a gas-phase silica production usefulness links to each other with the gas-phase silica production unit; It is characterized in that: comprise depickling stove and gas-solid separator, the depickling stove is horizontal, and gas-solid separator is vertical, and depickling stove and gas-solid separator are T-shaped to connect; End at the depickling stove is provided with opening for feed, be provided with a plurality of fuel gas inlet in the bottom of depickling stove, in the depickling stove each fuel gas inlet above be respectively equipped with one be used for combustion gas to around the combustion gas baffle plate of shunting, in the depickling stove, be provided with the sieve plate retaining of a densely covered through hole above each combustion gas baffle plate, in the depickling stove, also be provided with the traverse baffle that polylith is used for prolonging the residence time of material in the depickling stove; The top of gas-solid separator is provided with venting port, and the bottom is provided with discharge port and slag-drip opening.
2. the depickling equipment of gas-phase silica production usefulness as claimed in claim 1, it is characterized in that: the outside surface of described depickling stove and gas-solid separator is provided with thermal insulation layer.
3. the depickling equipment of gas-phase silica production usefulness as claimed in claim 1 is characterized in that: also be respectively equipped with temperature-measuring port and pressure tap on described depickling stove and the gas-solid separator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210060179 CN102583396B (en) | 2012-03-08 | 2012-03-08 | Deacidification equipment for producing fumed silica |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210060179 CN102583396B (en) | 2012-03-08 | 2012-03-08 | Deacidification equipment for producing fumed silica |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102583396A CN102583396A (en) | 2012-07-18 |
| CN102583396B true CN102583396B (en) | 2013-09-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210060179 Expired - Fee Related CN102583396B (en) | 2012-03-08 | 2012-03-08 | Deacidification equipment for producing fumed silica |
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| CN (1) | CN102583396B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103466636B (en) * | 2013-08-27 | 2016-08-17 | 合盛硅业股份有限公司 | A kind of system utilizing methyl trichlorosilane to produce fume colloidal silica |
| CN109365372A (en) * | 2018-12-03 | 2019-02-22 | 连云港龙塔研磨材料有限公司 | Automatic rinse dehydration device |
| CN109593535A (en) * | 2018-12-18 | 2019-04-09 | 天津大学 | The apparatus and method of solid waste pyrolytic gasification -- reforming plasma |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1923683A (en) * | 2006-09-04 | 2007-03-07 | 上海氯碱化工股份有限公司 | Apparatus and method of synthesizing acidic material on SiO2 surface by eliminating gas phase method |
| CN101734668A (en) * | 2009-12-28 | 2010-06-16 | 周庆华 | Method for preparing white carbon black by gas phase method and used equipment thereof |
| CN101786632A (en) * | 2010-01-25 | 2010-07-28 | 上海竟茨环保科技有限公司 | Heating deacidification furnace used for white carbon black technique in gas phase method |
| CN201737707U (en) * | 2010-07-26 | 2011-02-09 | 化学工业第二设计院宁波工程有限公司 | Fumed silica deacidification furnace |
| CN202558647U (en) * | 2012-03-08 | 2012-11-28 | 上海竟茨环保科技有限公司 | Deacidification device for gas-phase white carbon black production |
-
2012
- 2012-03-08 CN CN 201210060179 patent/CN102583396B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1923683A (en) * | 2006-09-04 | 2007-03-07 | 上海氯碱化工股份有限公司 | Apparatus and method of synthesizing acidic material on SiO2 surface by eliminating gas phase method |
| CN101734668A (en) * | 2009-12-28 | 2010-06-16 | 周庆华 | Method for preparing white carbon black by gas phase method and used equipment thereof |
| CN101786632A (en) * | 2010-01-25 | 2010-07-28 | 上海竟茨环保科技有限公司 | Heating deacidification furnace used for white carbon black technique in gas phase method |
| CN201737707U (en) * | 2010-07-26 | 2011-02-09 | 化学工业第二设计院宁波工程有限公司 | Fumed silica deacidification furnace |
| CN202558647U (en) * | 2012-03-08 | 2012-11-28 | 上海竟茨环保科技有限公司 | Deacidification device for gas-phase white carbon black production |
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| CN102583396A (en) | 2012-07-18 |
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Granted publication date: 20130925 Termination date: 20160308 |