CN204417149U - For the dechlorination equipment in Titanium Dioxide Produced by Chloride Procedure production technique - Google Patents

For the dechlorination equipment in Titanium Dioxide Produced by Chloride Procedure production technique Download PDF

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Publication number
CN204417149U
CN204417149U CN201520072447.XU CN201520072447U CN204417149U CN 204417149 U CN204417149 U CN 204417149U CN 201520072447 U CN201520072447 U CN 201520072447U CN 204417149 U CN204417149 U CN 204417149U
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tio
feedway
titanium dioxide
slurry pipe
production technique
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CN201520072447.XU
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Inventor
刘建良
赵泽权
钱春花
龙翔
冯伟光
张入文
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Yunnan metallurgy Xin Litai industry company limited
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Yunnan Xinli Nonferrous Metals Co Ltd
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Abstract

The utility model discloses a kind of for the dechlorination equipment in Titanium Dioxide Produced by Chloride Procedure production technique, it comprises: TiO 2slurry pipe, described TiO 2slurry pipe is for carrying TiO 2slurries; H 2o 2feedway, described H 2o 2feedway is arranged for described TiO 2slurry pipe transport of H 2o 2; Cl 2proofing unit, described Cl 2proofing unit is arranged for and detects described TiO 2cl in slurry pipe 2content, described Cl 2proofing unit is positioned at described H 2o 2the downstream side of feedway; Controller, described controller respectively with described H 2o 2feedway and described Cl 2proofing unit is connected.Of the present utility modelly effectively can remove TiO for the dechlorination equipment in Titanium Dioxide Produced by Chloride Procedure production technique 2cl in slurry pipe 2, improve TiO 2the purity of base-material, avoids equipment corrosion, improves Working environment.

Description

For the dechlorination equipment in Titanium Dioxide Produced by Chloride Procedure production technique
Technical field
The utility model relates to titanium white production processing unit technical field, particularly a kind of for the dechlorination equipment in Titanium Dioxide Produced by Chloride Procedure production technique.
Background technology
Usually, the production of titanium dioxide mainly contains sulfuric acid process and the large technique of chlorination process two, and for sulfate process titanium dioxide is produced, chlorination process has that technical process is short, operation easily realizes continuous and automatic, " three wastes " discharge obtains the advantages such as high quality rutile type less, more easily, thus occupies the dominant position of global titanium powder industry gradually.But the titanium dioxide produced by the method and TiO 2particle surface can adsorb a small amount of Cl 2, this just causes is making TiO 2in the process of base-material, Cl 2will be present in base-material, this not only pollutes Working environment, the burn into of equipment also can be caused to affect coating effect simultaneously.
Utility model content
The utility model is intended to solve one of above-mentioned technical problem of the prior art at least to a certain extent.For this reason, an object of the present utility model is that proposition is a kind of for the dechlorination equipment in Titanium Dioxide Produced by Chloride Procedure production technique, and this dechlorination equipment effectively can remove TiO 2cl in slurry pipe 2, improve TiO 2the purity of base-material, avoids equipment corrosion, improves Working environment.
According to the utility model embodiment for the dechlorination equipment in Titanium Dioxide Produced by Chloride Procedure production technique, its spy comprises: TiO 2slurry pipe, described TiO 2slurry pipe is for carrying TiO 2slurries; H 2o 2feedway, described H 2o 2feedway is arranged for described TiO 2slurry pipe transport of H 2o 2; Cl 2proofing unit, described Cl 2proofing unit is arranged for and detects described TiO 2cl in slurry pipe 2content, described Cl 2proofing unit is positioned at described H 2o 2the downstream side of feedway; Controller, described controller respectively with described H 2o 2feedway and described Cl 2proofing unit is connected.
According to the utility model embodiment for the dechlorination equipment in Titanium Dioxide Produced by Chloride Procedure production technique, pass through Cl 2proofing unit detects Cl 2content, and the Cl that will detect 2the relevant information of content send controller to, controller is according to the information Control H received 2o 2feedway is to TiO 2the H of slurry pipe conveying 2o 2amount, effectively can remove TiO to reach 2cl in slurries 2, can not H be caused again 2o 2the object of waste.
According to an embodiment of the present utility model, described H 2o 2feedway comprises: H 2o 2storage equipment and H 2o 2supply valve, described H 2o 2storage equipment and described H 2o 2supply valve is connected, described controller and described H 2o 2supply valve is connected.
According to an embodiment of the present utility model, described for the dechlorination equipment in Titanium Dioxide Produced by Chloride Procedure production technique, it is characterized in that, described H 2o 2the aperture continuously adjustabe of supply valve, so just can Reasonable Regulation And Control H according to actual needs 2o 2feed rate.
According to an embodiment of the present utility model, described H 2o 2supply valve can be magnetic valve, so just can to H 2o 2supply valve realizes Long-distance Control, handled easily person operating equipment.
According to an embodiment of the present utility model, described H 2o 2feedway can be multiple, expands H 2o 2the regulation range of feed rate, can reduce indivedual H simultaneously 2o 2feedway goes wrong and causes providing enough H 2o 2risk.
According to an embodiment of the present utility model, described H 2o 2feedway is along described TiO 2the bearing of trend distribution of slurry pipe, makes H 2o 2with TiO 2slurries mix better, and fully react.
According to an embodiment of the present utility model, described Cl 2proofing unit comprises: ORP (Oxidation-ReductionPotential) counts, i.e. redox potential is used for indirect inspection Cl 2content.
According to an embodiment of the present utility model, described Cl 2proofing unit can be multiple, so just can to Cl 2content average, improve the precision of equipment.
According to an embodiment of the present utility model, described Cl 2proofing unit is along described TiO 2the bearing of trend distribution of slurry pipe, can better record through H 2o 2tiO after washing 2cl in slurries 2content.
The aspect that the utility model is additional and advantage from the following description part provide, and part will become obvious from the following description, or be recognized by practice of the present utility model.
Accompanying drawing explanation
Fig. 1 is according to the structural representation for the dechlorination equipment in Titanium Dioxide Produced by Chloride Procedure production technique of the present utility model.
Reference numeral: dechlorination equipment 1, TiO 2slurry pipe 10, Cl 2proofing unit 30, H 2o 2supply valve 202.
Embodiment
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", orientation or the position relationship of the instruction such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In description of the present utility model, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrically connected maybe can communicate with one another; Can be directly be connected, also indirectly can 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, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature immediately below second feature and tiltedly below, or only represent that fisrt feature level height is less than second feature.
Describe with reference to the accompanying drawings according to of the present utility model for the dechlorination equipment in Titanium Dioxide Produced by Chloride Procedure production technique.
Fig. 1 is the structural representation for the dechlorination equipment in Titanium Dioxide Produced by Chloride Procedure production technique according to the utility model embodiment, as shown in Figure 1, can comprise TiO according to the utility model embodiment for the dechlorination equipment 1 in Titanium Dioxide Produced by Chloride Procedure production technique 2slurry pipe 10, H 2o 2feedway, Cl 2proofing unit 30 and controller, wherein H 2o 2feedway can also comprise H 2o 2storage equipment and H 2o 2supply valve 202.
According to the utility model embodiment for the dechlorination equipment 1 in Titanium Dioxide Produced by Chloride Procedure production technique, as shown in Figure 1, TiO 2slurry pipe 10 is used for carrying TiO 2slurries, H 2o 2feedway is used for TiO 2slurry pipe 10 transport of H 2o 2, TiO 2slurries can at TiO 2in slurry pipe 10 and H 2o 2react, reacted solution can along TiO 2slurry pipe 10 flows out downwards.
Preferably, Cl 2proofing unit 30 is arranged on H 2o 2the downstream side of feedway, convenient detection is in real time through H 2o 2tiO after washing 2cl in slurries 2content, controller respectively with H 2o 2feedway and Cl 2proofing unit 30 is connected, particularly, controller can with H 2o 2the H of feedway 2o 2supply valve 202 is connected.
Cl 2the Cl that proofing unit 30 will detect 2the related data information of content sends controller to, and controller is again according to the information Control H received 2o 2opening and closedown of supply valve 202, such as, work as Cl 2proofing unit 30 detects Cl 2when content is too much, controller is according to the information Control H received 2o 2supply valve 202 is opened, to TiO 2slurry pipe carries more H 2o 2, to eliminate TiO more up hill and dale 2impurity Cl in slurries 2.
Particularly, according to chemical reaction Cl 2+ H 2o 2==2HCl+O 2, by TiO 2slurry pipe 10 transport of H 2o 2, just can basically eliminate TiO 2the impurity Cl existed in slurries 2, and do not introduce unnecessary impurity, meet Production requirement.
According to embodiments more of the present utility model, preferably, controller can adopt the automatic control of PID, i.e. proportional-integral derivative controller, and PID controller is according to the error of system, and proportion of utilization, integration, difference gauge calculate H 2o 2feed rate and to H 2o 2feedway controls accordingly, so just effectively can avoid H 2o 2feed rate is too much, causes waste, has good economic benefit.
According to embodiments more of the present utility model, H 2o 2feedway can be multiple, like this can to TiO 2slurry pipe 10 carries sufficient H 2o 2, and multiple H 2o 2feedway can be distributed on TiO 2on slurry pipe 10, make H 2o 2can TiO better 2the TiO flowed through in slurry pipe 10 2chlorine in slurries reacts.
As a kind of embodiment, H 2o 2the valve opening continuously adjustabe of feedway, so just can according to actual needs to H 2o 2feed rate control, such as work as Cl 2proofing unit 30 detects the TiO after washing 2cl in slurries 2content when still exceeding standard, correspondingly can tune up H 2o 2the aperture of supply valve 202, or multiple H can be opened according to actual needs simultaneously 2o 2feedway, to strengthen H 2o 2feed rate, until can basically eliminate TiO 2impurity Cl in slurries 2, wherein H 2o 2the concrete number of feedway, those skilled in the art can be arranged according to actual needs.
According to embodiments more of the present utility model, preferably, H 2o 2supply valve 202 can be magnetic valve, can realize the Long-distance Control for the dechlorination equipment in Titanium Dioxide Produced by Chloride Procedure production technique like this, and handled easily person operates, and operating environment is also safer simultaneously, meets social demand.
According to embodiments more of the present utility model, Cl 2proofing unit 30 can comprise ORP meter.ORP meter and oxidation-reduction potentiometer, also known as industrial pH meter, are specifically designed to the potential of hydrogen measured in solution, according to chemical reaction Cl 2+ H 2o 2==2HCl+O 2, by measuring TiO 2potential of hydrogen in slurries can measure Cl indirectly 2content, further, controller according to receive Cl 2the related data information control H of content 2o 2feedway, regulates H 2o 2feed rate.
According to embodiments more of the present utility model, Cl 2proofing unit 30 can be multiple, so just can be obtained Cl more accurately by the mode of averaging 2content data information, such as, can remove Cl 2remaining data are averaged by the maximum value in content data and minimum value, and last mean value is final Cl 2content, can be reduced because of certain Cl to a certain extent by the method 2proofing unit 30 breaks down the Cl causing recording 2the larger risk of content error, wherein Cl 2the concrete number of proofing unit 30, those skilled in the art can be arranged as the case may be.
According to embodiments more of the present utility model, Cl 2proofing unit can along TiO 2the bearing of trend distribution of slurry pipe 10, the multiple Cl arranged like this 2proofing unit 30 just can detect through H in real time 2o 2tiO after washing 2cl in slurries 2content.
Preferably, according to embodiments more of the present utility model, the ORP numerical range that ORP measures can control at 100 ~ 500mV, when the numerical value recorded is excessive, TiO is described 2impurity Cl in slurries 2basically eliminate, controller control H 2o 2the aperture of supply valve 202 diminishes or keeps current aperture, reduces and even stops to TiO 2h is supplied in slurries 2o 2otherwise, controller control H 2o 2feedway correspondingly improves H 2o 2feed rate, make TiO 2impurity Cl in slurries 2fully can react, improve TiO 2the purity of base-material.
In sum, the utility model embodiment for the dechlorination equipment 1 in Titanium Dioxide Produced by Chloride Procedure production technique, by by Cl 2the TiO that proofing unit 30 detects 2cl in slurries 2the related data information of residual content send controller to, control control 40 and be transported to TiO according to the information Control obtained 2h in slurry pipe 10 2o 2amount, realize basically eliminate TiO 2the impurity Cl of slurries 2object, because this equipment can detect the TiO after washing in real time 2cl in slurries 2content, thus very large control is obtained to the Process Quality Control of product, simultaneously because this equipment can regulate and control H by controller 2o 2feed rate, both ensured TiO 2impurity Cl in slurries 2can basically eliminate, effectively can avoid H again 2o 2input too much, causes waste, has good economic and social benefit.
In the description of this specification sheets, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.In addition, the different embodiment described in this specification sheets or example can carry out engaging and combining by those skilled in the art.
Although illustrate and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment, revises, replace and modification in scope of the present utility model.

Claims (7)

1., for the dechlorination equipment in Titanium Dioxide Produced by Chloride Procedure production technique, it is characterized in that, comprising:
TiO 2slurry pipe, described TiO 2slurry pipe is for carrying TiO 2slurries;
H 2o 2feedway, described H 2o 2feedway is arranged for described TiO 2slurry pipe transport of H 2o 2;
Cl 2proofing unit, described Cl 2proofing unit is arranged for and detects described TiO 2cl in slurry pipe 2content, described Cl 2proofing unit is positioned at described H 2o 2the downstream side of feedway;
Controller, described controller respectively with described H 2o 2feedway and described Cl 2proofing unit is connected.
2. according to claim 1ly to it is characterized in that for the dechlorination equipment in Titanium Dioxide Produced by Chloride Procedure production technique, described H 2o 2feedway comprises: H 2o 2storage equipment and H 2o 2supply valve, described H 2o 2storage equipment and described H 2o 2supply valve is connected, described controller and described H 2o 2supply valve is connected.
3. according to claim 2ly to it is characterized in that for the dechlorination equipment in Titanium Dioxide Produced by Chloride Procedure production technique, described H 2o 2the aperture continuously adjustabe of supply valve.
4. according to claim 2ly to it is characterized in that for the dechlorination equipment in Titanium Dioxide Produced by Chloride Procedure production technique, described H 2o 2supply valve is magnetic valve.
5. according to claim 1ly to it is characterized in that for the dechlorination equipment in Titanium Dioxide Produced by Chloride Procedure production technique, described H 2o 2feedway is multiple and along described TiO 2the bearing of trend distribution of slurry pipe.
6. according to claim 1ly to it is characterized in that for the dechlorination equipment in Titanium Dioxide Produced by Chloride Procedure production technique, described Cl 2proofing unit comprises: ORP counts.
7. according to claim 1ly to it is characterized in that for the dechlorination equipment in Titanium Dioxide Produced by Chloride Procedure production technique, described Cl 2proofing unit is multiple and along described TiO 2the bearing of trend distribution of slurry pipe.
CN201520072447.XU 2015-02-02 2015-02-02 For the dechlorination equipment in Titanium Dioxide Produced by Chloride Procedure production technique Active CN204417149U (en)

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CN201520072447.XU CN204417149U (en) 2015-02-02 2015-02-02 For the dechlorination equipment in Titanium Dioxide Produced by Chloride Procedure production technique

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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.