CN103723767A - Continuous feeding device for scab removing sand and titanium dioxide production device adopting chlorination process - Google Patents
Continuous feeding device for scab removing sand and titanium dioxide production device adopting chlorination process Download PDFInfo
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- CN103723767A CN103723767A CN201310661909.7A CN201310661909A CN103723767A CN 103723767 A CN103723767 A CN 103723767A CN 201310661909 A CN201310661909 A CN 201310661909A CN 103723767 A CN103723767 A CN 103723767A
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Abstract
The invention discloses a continuous feeding device for scab removing sand and a titanium dioxide production device adopting a chlorination process. The continuous feeding device for scab removing sand comprises a feeding tank, a jetting tank, and a feeding spiral device, wherein the feeding tank is arranged downstream a feeding device; a first tank lock for connecting and disconnecting the feeding device and the feeding tank is arranged between the feeding device and the feeding tank; a sensor for detecting the quantity of materials is arranged on the feeding tank, and is electrically connected with the first tank lock; the jetting tank is arranged downstream the feeding tank; a second tank lock for connecting and disconnecting the jetting tank and the feeding tank is arranged between the jetting tank and the feeding tank; the feeding spiral device is arranged downstream the jetting tank and provided with a material outlet. According to the continuous feeding device for scab removing sand, provided by the embodiment of the invention, scab removing sand can be jetted into an oxidation reactor continuously to remove titanium oxide scabs on the inner wall of the oxidation reactor, so that the normal and stable operation of a titanium oxide oxidation system under the situation of uniform heating is guaranteed.
Description
Technical field
The present invention relates to titanium dioxide industry production technical field, especially relate to a kind of continuous feeding except scar sand and the Titanium Dioxide Produced by Chloride Procedure production equipment with this device.
Background technology
In Titanium Dioxide Produced by Chloride Procedure production technique, titanium chloride oxidation is the committed step of preparing titanium dioxide, easily occurs the phenomenon that titanium oxide scabs in the oxidising process of titanium chloride, affects normal stable the carrying out of titanium white production technique.
Summary of the invention
The present invention is intended at least solve one of technical problem existing in prior art.For this reason, the present invention need to provide a kind of continuous feeding except scar sand, and this continuous feeding can, successively by joining in oxidation reactor except scar sand, solve the problem that production process of titanium pigment titanium oxide scabs.
Another object of the present invention is to propose to have the Titanium Dioxide Produced by Chloride Procedure production equipment of above-mentioned continuous feeding.
According to the continuous feeding except scar sand of first aspect present invention embodiment, comprise: feeding device; Reinforced batch can, described reinforced batch can is located at the downstream of described feeding device, between described feeding device and described reinforced batch can, be provided with conducting and block the first canned lock of described feeding device and described reinforced batch can, described reinforced batch can is provided with the inductor block for detection of material capacity, and described inductor block and described the first canned lock are electrically connected to; Winding-up batch can, described winding-up batch can is located at the downstream of reinforced batch can, is provided with for conducting and blocks the second canned lock of described winding-up batch can and described reinforced batch can between described reinforced batch can and described winding-up batch can; And pressure feeding spiral device, described pressure feeding spiral device is located at described winding-up batch can downstream, and described pressure feeding spiral device has material outlet.
According to the continuous feeding except scar sand of the embodiment of the present invention, can in oxidation reactor, continuously spray into except scar sand, the titanium oxide of removing on oxidation reactor inwall scabs, thereby guarantees that titanium chloride oxidation system normally stably carries out being heated evenly in ground situation.
In addition, except the continuous feeding of scar sand, also can there is following additional technical feature according to an embodiment of the invention:
According to one embodiment of present invention, described pressure feeding spiral device is provided with gas and passes into mouthful to pass into gas in described pressure feeding spiral device.
According to one embodiment of present invention, described gas is nitrogen.
According to one embodiment of present invention, the described continuous feeding except scar sand further comprises: gas actuating device, described gas actuating device is located on described feeding device to drive described feeding device to described reinforced batch can feed.
According to one embodiment of present invention, described feeding device is feeding chamber, and the described continuous feeding except scar sand further comprises: vent valve, described vent valve is located on described reinforced batch can.
According to one embodiment of present invention, described feeding device is: loading hopper, the upper end of described loading hopper is opened wide.
According to one embodiment of present invention, the described continuous feeding except scar sand further comprises: fluidization cone, described fluidization cone is located at described reinforced batch can and described winding-up batch can bottom.
According to one embodiment of present invention, the described continuous feeding except scar sand further comprises: pressure regulating device, and described pressure regulating device is located on described winding-up batch can to regulate the pressure in described winding-up batch can; Flow rate control device, described flow rate control device be located at described winding-up batch can inlet downstream and for regulating to the mass flow of described pressure feeding spiral device feed.
According to one embodiment of present invention, be preset with mass flow preset value in described flow rate control device, the scope of described preset value is: 20～40kg/h.
According to the Titanium Dioxide Produced by Chloride Procedure production equipment of the embodiment of second aspect present invention, have above-mentioned continuous feeding and oxidation reactor except scar sand, wherein, described oxidation reactor is communicated with the material outlet of described pressure feeding spiral device.Due to, according to the continuous feeding except scar sand of the embodiment of the present invention, can effectively solve the problem that in titanium chloride oxidising process, titanium oxide scabs.Therefore, the titanium chloride oxidising process of Titanium Dioxide Produced by Chloride Procedure production equipment can normally stably be moved according to an embodiment of the invention, produces the titan oxide particles of high-quality.
Additional aspect of the present invention and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage accompanying drawing below combination obviously and is easily understood becoming the description of embodiment, wherein:
Fig. 1 removes the structural representation of the continuous feeding of scar sand according to an embodiment of the invention.
Reference numeral:
Continuous feeding 100 except scar sand;
Reinforced batch can 20; Vent valve 21; Feeding chamber 22; Inductor block 23;
Winding-up batch can 30; Pressure regulating device 31;
Pressure feeding spiral device 40; Gas passes into mouth 41;
The first canned lock 51; The second canned lock 52;
Flow rate control device 80.
Embodiment
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Below by the embodiment being described with reference to the drawings, be exemplary, only for explaining the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, it will be appreciated that, term " on ", orientation or the position relationship of the indication such as D score be based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, rather than indicate or imply that the device of indication or element must have specific orientation, with specific orientation, construct and operation, therefore can not be interpreted as limitation of the present invention.
In description of the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be mechanical connection, can be to be also electrically connected to; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, can particular case understand above-mentioned term concrete meaning in the present invention.
In the present invention, unless otherwise clearly defined and limited, First Characteristic Second Characteristic it " on " or D score can comprise that the first and second features directly contact, also can comprise that the first and second features are not directly contacts but contact by the other feature between them.And, First Characteristic Second Characteristic " on ", " top " and " above " comprise First Characteristic directly over Second Characteristic and oblique upper, or only represent that First Characteristic level height is higher than Second Characteristic.First Characteristic Second Characteristic " under ", " below " and " below " comprise First Characteristic directly over Second Characteristic and oblique upper, or only represent that First Characteristic level height is less than Second Characteristic.
Below with reference to Fig. 1, describe according to the Titanium Dioxide Produced by Chloride Procedure production equipment of the embodiment of the present invention, wherein, Titanium Dioxide Produced by Chloride Procedure is that high-grade rutile-type coating titanium white can be widely used in various coating.As shown in Figure 1, Titanium Dioxide Produced by Chloride Procedure production equipment comprises: except continuous feeding 100 and the oxidation reactor (scheming not shown) of scar sand.
According to the chloride process titanium dioxide powder craft of the embodiment of the present invention, mainly comprise that titanium-riched material chlorination, titanium chloride are refined, titanium chloride is oxidized and four main process of titan oxide particles surface treatment, wherein, titanium chloride oxidation is to prepare the most key step of rutile type.Contriver is surprised to find that, removes the continuous feeding 100 of scar sand in titanium chloride oxidation operation by setting, can in oxidation reactor, add continuously except scar sand, can effectively solve the problem that in titanium chloride oxidising process, titanium oxide scabs.
Below with reference to Fig. 1, the continuous feeding 100 except scar sand according to the embodiment of the present invention is described.As shown in Figure 1, the continuous feeding 100 except scar sand comprises: feeding device 10, reinforced batch can 20, winding-up batch can 30 and pressure feeding spiral device 40.
Particularly, reinforced batch can 20 is located at the downstream of feeding device 10, is provided with for conducting and blocks feeding device 10 and the first canned lock 51 of reinforced batch can 20 between feeding device 10 and reinforced batch can 20.Reinforced batch can 20 is provided with the inductor block 23 for detection of material capacity, and inductor block 23 and the first canned lock 51 are electrically connected to.Wherein, inductor block 23 is provided with minimum material level and maximum material level, and inductor block 23 is controlled by electropneumatic actuator.When the material on reinforced batch can 20 is positioned at the minimum material level on inductor block 23, inductor block 23 feeds back to electropneumatic actuator by the not enough information of material, electropneumatic actuator sends the signal of the first canned lock 51 releases, connecting pipe between the first canned lock 51 conducting feeding devices 10 and reinforced batch can 20, material flows in reinforced batch can 20 from feeding device 10; When the material on reinforced batch can 20 is positioned at the maximum material level on inductor block 23, the information that inductor block 23 has been filled it up with material feeds back to electropneumatic actuator, and the first canned lock 51 blocks the connecting pipe between feeding device 100 and reinforced batch can 20.Material can be the mixture of the immobilized particles except scar sand.
Winding-up batch can 30 is located at the downstream of reinforced batch can 20, reinforced batch can 20 and the second canned lock 52 of jetting and being provided with for conducting between batch can 30 and blocking jet batch can 30 and reinforced batch can 20.Pressure feeding spiral device 40 is located at winding-up batch can 30 downstreams, and pressure feeding spiral device 40 has material outlet.Wherein, the entrance end of winding-up batch can 30 is connected with the exit end of reinforced batch can 20.When the material in reinforced batch can 20 has been filled it up with, can open the connecting pipe between the reinforced batch can 20 of canned lock 52 conductings of the second canned lock 52, the second and winding-up batch can 30, material starts to flow in winding-up batch can 30.Material enters in pressure feeding spiral device 40 after the interior quilt of winding-up batch can 30 evenly dispels.Material is at the interior fine particle shape that is further dispersed as into of pressure feeding spiral device 40, and continuously sprays into oxidation reactor from material outlet, and the titanium oxide of removing inwall in oxidation reactor scabs.Wherein, winding-up batch can 30 is conducting with pressure feeding spiral device 40 all the time.In other words, except scar sand solid particulate can be sent in oxidation reactor incessantly, to guarantee the normally stably operation of titanium chloride oxidation system.
According to the continuous feeding 100 except scar sand of the embodiment of the present invention, can in oxidation reactor, continuously spray into except scar sand, the titanium oxide of removing on oxidation reactor inwall scabs, thereby guarantees that titanium chloride oxidation system normally stably carries out being heated evenly in ground situation.
According to some embodiments of the present invention, pressure feeding spiral device 40 is provided with gas and passes into mouth 41 to pass into gas in pressure feeding spiral device 40.The gas passing into will convert the mixture of the gentle body of fluidised form compound that height-low density is identical to except scar sand solid particulate, mixture evenly sprays in oxidation reactor under high atmospheric pressure.Wherein, gas can be nitrogen.Certainly, the present invention is not limited to this, and gas can be also some other rare gas element.
In some embodiments of the invention, except in the continuous feeding 100 of scar sand, can also comprise gas actuating device 11.Gas actuating device 11 is located on feeding device 100 to drive feeding device 10 to reinforced batch can 20 feed.Alternatively, except scar sand adopts sack transportation.Wherein, feeding device 100 can be loading hopper (scheming not shown), and the upper end of loading hopper is opened wide.The entrance end of loading hopper is greater than exit end, is conducive to material and flows to reinforced batch can 20.Like this, the in the situation that of the first canned lock 51 and gas actuating device 11 conducting simultaneously, the material in loading hopper can flow to reinforced batch can 20, to realize reinforced batch can 20 feed.
It should be noted that, feeding device 10 can also be feeding chamber 22, feeding chamber 22 is closure casing with respect to the external world, further, can on reinforced batch can 20, vent valve 21 be set, like this, when pressure in reinforced batch can 20 is larger, can open vent valve 21 and reduce the pressure in reinforced batch can 20, thereby be convenient to material, from feeding chamber 22, flow in reinforced batch can 20.
According to other embodiment of the present invention, the continuous feeding 100 that removes scar sand can also comprise fluidization cone 60.Fluidization cone 60 is located at reinforced batch can 20 and winding-up batch can 30 bottoms.The bottom of fluidization cone 60 can be provided with intake valve, in the reinforced process of reinforced batch can 20, can open intake valve, and gas enters in reinforced batch can 20, is enclosed in material particles around, thereby tentatively realizes the fluidization of material.Material through preliminary fluidisation flows out from the exit end of reinforced batch can 20, enters in winding-up batch can 30, and fluidization cone 60 carries out fluidization to material again, thereby obtains the mixture of the alternate gentle body of fluidised form compound of high-low density.
Further, the continuous feeding 100 except scar sand can also comprise: pressure regulating device 31 and flow rate control device 80.Wherein, pressure regulating device 31 is located on winding-up batch can 30 with the pressure in regulation blowing batch can 30.For example, in the larger situation of winding-up batch can 30 internal pressures, can reduce the pressure in winding-up batch cans 30 by pressure regulating device 31, the pressure in the batch can 30 that makes to jet is less than the pressure in reinforced batch can 20, thereby be conducive to material, under the effect of gravity, flows in blowing material tank 30.
Flow rate control device 80 be located at winding-up batch can 30 inlet downstream and for regulating to the mass flow of pressure feeding spiral device 40 feed.The entrance end of flow rate control device 80 is connected with winding-up batch can 30, and the exit end of flow rate control device 80 is connected with pressure feeding spiral device 40.Wherein, be preset with mass flow preset value in flow rate control device 80, the scope of preset value can be: 20～40kg/h.For example, when reaction mass in oxidation reactor is less, can be 20kg/h by flow set; During the reaction mass amount of mediating in oxidation reactor, can be 30kg/h by flow set; When reaction mass in oxidation reactor is more, can be 40kg/h by flow set.Certainly, the present invention is not limited to this.
The following describes according to the working process of the continuous feeding 100 except scar sand of the embodiment of the present invention, open gas actuating device 11 and the first canned lock 51, under the driving of gas actuating device 11, material flows to reinforced batch can 20 directions, from fluidization, bore 60 gases that enter simultaneously and upwards flow, contrary with the flow direction of material, thus guarantee that material is by sufficient fluidisation, when the material in inductor block 23 detects reinforced batch can 20 is expired, close the first canned lock 51; Then open the second canned lock 52 and fluidization cone 60, material flows to winding-up batch can 30 directions from reinforced batch can 20, and material quilt is fluidisation further, obtains the mixture of the gentle body of fluidised form compound after abundant fluidisation; By adjust flux control device 80, control the flow velocity that mixture enters pressure feeding spiral device 40, after mixture mixes with nitrogen in pressure feeding spiral device 40, form after larger air pressure, from the outlet of pressure feeding spiral device 40, be injected in oxidation reactor, remove titanium oxide in oxidation reactor and scab.When the material in inductor block 23 detects reinforced batch can 20 is less than or equal to minimum material level, can restart the reinforced process of reinforced batch can 20, in this process, when if the pressure in the reinforced batch can 20 of appearance is greater than the pressure in feeding device 100, can be by opening the vent valve 21 on reinforced batch can 20, thus the pressure in it reduced.Certainly, in said process, just remove the primary process of the continuous feeding 100 of scar sand, in actual production process, can make adaptive adjustment.
In the description of this specification sheets, the description of reference term " embodiment ", " some embodiment ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present invention or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or feature can be with suitable mode combinations in any one or more embodiment or example.
Although illustrated and described embodiments of the invention, those having ordinary skill in the art will appreciate that: in the situation that not departing from principle of the present invention and aim, can carry out multiple variation, modification, replacement and modification to these embodiment, scope of the present invention is limited by claim and equivalent thereof.
Claims (10)
1. except a continuous feeding for scar sand, it is characterized in that, comprising:
Feeding device;
Reinforced batch can, described reinforced batch can is located at the downstream of described feeding device, between described feeding device and described reinforced batch can, be provided with for conducting and block the first canned lock of described feeding device and described reinforced batch can, described reinforced batch can is provided with the inductor block for detection of material capacity, and described inductor block and described the first canned lock are electrically connected to;
Winding-up batch can, described winding-up batch can is located at the downstream of described reinforced batch can, is provided with for conducting and blocks the second canned lock of described winding-up batch can and described reinforced batch can between described reinforced batch can and described winding-up batch can; And
Pressure feeding spiral device, described pressure feeding spiral device is located at described winding-up batch can downstream, and described pressure feeding spiral device has material outlet.
2. the continuous feeding except scar sand according to claim 1, is characterized in that, described pressure feeding spiral device is provided with gas and passes into mouth to pass into gas in described pressure feeding spiral device.
3. the continuous feeding except scar sand according to claim 2, is characterized in that, described gas is nitrogen.
4. the continuous feeding except scar sand according to claim 1, is characterized in that, further comprises:
Gas actuating device, described gas actuating device is located on described feeding device to drive described feeding device to described reinforced batch can feed.
5. the continuous feeding except scar sand according to claim 1, is characterized in that, described feeding device is feeding chamber, and the described continuous feeding except scar sand further comprises: vent valve, described vent valve is located on described reinforced batch can.
6. the continuous feeding except scar sand according to claim 1, is characterized in that, described feeding device is loading hopper, and the upper end of described loading hopper is opened wide.
7. the continuous feeding except scar sand according to claim 1, is characterized in that, further comprises: fluidization cone, described fluidization cone is located at described reinforced batch can and described winding-up batch can bottom.
8. the continuous feeding except scar sand according to claim 1, is characterized in that, further comprises:
Pressure regulating device, described pressure regulating device is located on described winding-up batch can to regulate the pressure in described winding-up batch can;
Flow rate control device, described flow rate control device be located at described winding-up batch can inlet downstream and for regulating to the mass flow of described pressure feeding spiral device feed.
9. the continuous feeding except scar sand according to claim 8, is characterized in that, in described flow rate control device, be preset with mass flow preset value, the scope of described preset value is: 20～40kg/h.
10. a Titanium Dioxide Produced by Chloride Procedure production equipment, is characterized in that, comprising:
Except the continuous feeding of scar sand, the described continuous feeding except scar sand is according to the continuous feeding except scar sand described in any one in claim 1-9;
Oxidation reactor, described oxidation reactor is communicated with the material outlet of described pressure feeding spiral device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310661909.7A CN103723767B (en) | 2013-12-09 | 2013-12-09 | Except continuous feeding and the Titanium Dioxide Produced by Chloride Procedure production equipment of scar sand |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310661909.7A CN103723767B (en) | 2013-12-09 | 2013-12-09 | Except continuous feeding and the Titanium Dioxide Produced by Chloride Procedure production equipment of scar sand |
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| CN103723767A true CN103723767A (en) | 2014-04-16 |
| CN103723767B CN103723767B (en) | 2015-11-25 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104555364A (en) * | 2014-12-29 | 2015-04-29 | 山东精工电子科技有限公司 | Feeding device of lithium iron phosphate anode material pelletizer |
| CN104949856A (en) * | 2015-06-19 | 2015-09-30 | 合肥海正环境监测有限责任公司 | Novel self-control special soil sampler |
| CN106643281A (en) * | 2016-10-25 | 2017-05-10 | 锦州钛业有限公司 | Method for preparing scab removal agent on outlet pipeline of oxidizing furnace by dry flaking of titanium dioxide |
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| CN2171592Y (en) * | 1993-11-19 | 1994-07-13 | 中国科学院化工冶金研究所 | Chlorination process titanium dioxide high-speed gas-flow grain descar oxidizing reactor |
| CN2433247Y (en) * | 2000-07-18 | 2001-06-06 | 中国科学院化工冶金研究所 | Titanium white grit scar removing oxidizing reactor by chorination route |
| CN1391078A (en) * | 2001-06-11 | 2003-01-15 | 中国科学院化工冶金研究所 | Oxidizing furnace able to remove scar by spraying titanium oxide particles and chlorination process and its method for removing scar |
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2013
- 2013-12-09 CN CN201310661909.7A patent/CN103723767B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2171592Y (en) * | 1993-11-19 | 1994-07-13 | 中国科学院化工冶金研究所 | Chlorination process titanium dioxide high-speed gas-flow grain descar oxidizing reactor |
| CN2433247Y (en) * | 2000-07-18 | 2001-06-06 | 中国科学院化工冶金研究所 | Titanium white grit scar removing oxidizing reactor by chorination route |
| CN1391078A (en) * | 2001-06-11 | 2003-01-15 | 中国科学院化工冶金研究所 | Oxidizing furnace able to remove scar by spraying titanium oxide particles and chlorination process and its method for removing scar |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104555364A (en) * | 2014-12-29 | 2015-04-29 | 山东精工电子科技有限公司 | Feeding device of lithium iron phosphate anode material pelletizer |
| CN104949856A (en) * | 2015-06-19 | 2015-09-30 | 合肥海正环境监测有限责任公司 | Novel self-control special soil sampler |
| CN106643281A (en) * | 2016-10-25 | 2017-05-10 | 锦州钛业有限公司 | Method for preparing scab removal agent on outlet pipeline of oxidizing furnace by dry flaking of titanium dioxide |
| CN106643281B (en) * | 2016-10-25 | 2019-03-22 | 中信钛业股份有限公司 | A method of oxidation furnace outlet conduit is prepared except scar agent using titanium dioxide compressing dry granulation |
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| CN103723767B (en) | 2015-11-25 |
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Address after: 650100 Kunming, Xishan District, Yunnan Spring Road, No. 913 Patentee after: Yunnan metallurgy Xin Litai industry company limited Address before: 650100 Kunming, Xishan District, Yunnan Spring Road, No. 913 Patentee before: Yunnan Xinli Nonferrous Metal Co., Ltd. |