CN209481196U - Produce denitration titanium dioxide acid hydrolysis tank - Google Patents

Produce denitration titanium dioxide acid hydrolysis tank Download PDF

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Publication number
CN209481196U
CN209481196U CN201920043092.XU CN201920043092U CN209481196U CN 209481196 U CN209481196 U CN 209481196U CN 201920043092 U CN201920043092 U CN 201920043092U CN 209481196 U CN209481196 U CN 209481196U
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rotary shaft
acid hydrolysis
crossbeam
auger bar
hydrolysis tank
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陈兴平
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Hing Hing Titanium Co Ltd
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Hing Hing Titanium Co Ltd
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Abstract

The utility model discloses a kind of production denitration titanium dioxide acid hydrolysis tanks, including agitating device, agitating device includes rabbling mechanism and power mechanism, rabbling mechanism includes rotary shaft, one end transmission connection power mechanism of rotary shaft, the other end of rotary shaft is fixedly connected with stirring rack, it stirs rack and includes at least first crossbeam, first crossbeam is vertically arranged and connect with rotary shaft, the end of first crossbeam is fixedly connected with auger bar, the auger bar is at least arranged two, and auger bar is arranged along the axisymmetrical of rotary shaft.By the structure for changing existing agitating device, existing stirring blade is substituted using multiple auger bars, improve the turbulent condition of solution in acid hydrolysis tank, in the case where guaranteeing mixing effect, the scouring force for reducing and stabilizing solution to ceramic tile layer solves the problems, such as that the clay between existing acid hydrolysis tank surface layer ceramic tile is easily washed and wears away.

Description

Produce denitration titanium dioxide acid hydrolysis tank
Technical field
The utility model relates to titanium white production apparatus field, especially a kind of production denitration titanium dioxide acid hydrolysis tank.
Background technique
Denitration titanium dioxide is anatase thpe white powder, generallys use sulfuric acid process preparation, preparation process flow is substantially are as follows: with titanium Concentrate or titanium slag are raw material, are required according to acidolysis process, carry out ore grinding to raw material, raw ore are crushed to certain granularity, so Sulfuric acid decomposition Concentrate titanium sulfate solution is used afterwards, and titanium sulfate solution is purified except after iron, metatitanic acid is precipitated in hydrolysis, by metatitanic acid Denitration titanium dioxide is made after calcining.
It is prepared in titanium liquid stream journey in raw material acidolysis, the preparation of titanium liquid is carried out in the acid hydrolysis tank of acid-proof ceramic tile, that is, will Concentration is that the concentrated sulfuric acid of 92-94% is fitted into acid hydrolysis tank and is passed through compressed air, and levigate raw material is added in the case of stirring, The mixture of raw material and sulfuric acid is heated with steam to lure carrying out for acidolysis main reaction, after main reaction, allows the solid formation of generation It is cured in acid hydrolysis tank, decomposes raw material further, gained solid formation is substantially by ferrotianium sulfate and a fixed number after decomposition The sulfuric acid of amount forms, and after solid formation is cooled to certain temperature, is gone out with water logging, and stirred with compressed air, after leaching completely, leaching The ferric sulphate of solution is reduced into ferrous sulfate by solution iron reduction out.Currently, what domestic titanium powder plant used The specification of acid hydrolysis tank is in 60-150m3Between, and the trend of oriented enlargement development, this requires acid hydrolysis tanks must have batch The conditions such as yield is big, production is more stable, to meet needed for modern production.
Existing acid hydrolysis tank can satisfy the requirement that batch output is big, production is stable in hydrolysis procedure substantially, still, There is also some shortcomings, for example, the agitating device that uses of acid hydrolysis tank execute stir operation when, the service life mistake of stirring blade Short, whipping process is unstable, and scouring force suffered by the acid-resistant and heat-resistant ceramic tile layer of acid hydrolysis tank is larger and variation is big, does not only result in Clay between acid hydrolysis tank surface layer ceramic tile, which is easy to be washed, to be worn away, and is also resulted in stirring blade premature failure, is increased and be produced into This, therefore, it is necessary to improve to existing agitating device.
Utility model content
The goal of the invention of the utility model is: in view of the above problems, providing a kind of production denitration titanium dioxide use Acid hydrolysis tank substitutes existing stirring blade using multiple auger bars, to change by changing the structure of existing agitating device The turbulent condition of solution in kind acid hydrolysis tank reduces in the case where guaranteeing mixing effect and stablizing solution washes away ceramic tile layer Power solves existing existing deficiency.
The technical solution adopted in the utility model is as follows: a kind of production denitration titanium dioxide acid hydrolysis tank, including agitating device, Agitating device includes rabbling mechanism and power mechanism, and rabbling mechanism includes rotary shaft, one end transmission connection engine of rotary shaft Structure, the other end of rotary shaft are fixedly connected with stirring rack, and stirring rack includes at least first crossbeam, and first crossbeam and rotary shaft are hung down Directly it is arranged and connects, the end of first crossbeam is fixedly connected with auger bar, and the auger bar is at least arranged two, and Auger bar is arranged along the axisymmetrical of rotary shaft.
In the present invention, auger bar is different from common straight blade or curved surface bucket, although single spiral Mixing effect caused by stirring rod can form more stable turbulent flow not as good as straight blade or curved surface bucket, and solution is stirring Mix smaller to the scouring force of acid hydrolysis tank ceramic tile layer under state, stirring caused by the auger bar of setting two or two or more Effect can reach the mixing effect of straight blade or curved surface bucket, but its turbulent flow formed is imitated compared with straight blade or curved surface bucket Fruit is good, and solution is capable of forming stably eddy flow under stirring, reduces to the scouring force of ceramic tile layer, as a result, acid hydrolysis tank Clay between surface layer ceramic tile, which is not easy to be washed, to be worn away, and ensure that the anti-corrosion capability of acid hydrolysis tank.
It is preferably carried out scheme as one kind, stirring rack further includes second cross beam and third crossbeam, first crossbeam, second The end of crossbeam and third crossbeam is in turn connected to form triangle rack, and support plate is connected in the middle part of triangle rack, rotation The end of axis is fixedly connected with support plate, and auger bar is separately positioned at each endpoint of triangle rack.Pass through setting Three auger bars guarantee mixing effect, while being more likely formed stable steady flow result, reduce solution and rush to ceramic tile layer Brushing force.
In the present invention, it protrudes into/stretches out in acid hydrolysis tank for the ease of rabbling mechanism, auger bar passes through connecting plate It connect with stirring rack, is connected between support plate and connecting plate by incorporating section, be provided with sliding slot, auger bar on incorporating section End be connected in the sliding slot of incorporating section, and auger bar can be free to slide in sliding slot.By storing auger bar The occupancy volume of rabbling mechanism is reduced, convenient for rabbling mechanism smoothly protrudes into/stretches out in acid hydrolysis tank.
Further, in order to better implement the auger bar of the utility model, auger bar include helical blade and Stirring rod, helical blade are welded on stirring rod along the axis direction of stirring rod.The structure can not only guarantee mixing effect, also Production technology can be simplified, reduce production cost to a certain extent.
In the present invention, it is desirable that the outer diameter of helical blade is 1.2 times to 2 times for stirring shank diameter, to avoid spiral Blade is excessive and adheres to the precipitate in solution and corrodes helical blade, further ensures that the service life of auger bar.
In conclusion by adopting the above-described technical solution, the beneficial effects of the utility model are: by changing existing stir The structure for mixing device substitutes existing stirring blade using multiple auger bars, improves the turbulent flow of solution in acid hydrolysis tank State, in the case where guaranteeing mixing effect, the scouring force for reducing and stabilizing solution to ceramic tile layer solves existing acid hydrolysis tank Clay between surface layer ceramic tile is easily washed the problem of wearing away.
Detailed description of the invention
Fig. 1 is the production denitration titanium dioxide acid hydrolysis tank structural schematic diagram of the utility model;
Fig. 2 is a kind of auger rod structure schematic diagram of the utility model;
Fig. 3 is Fig. 2 auger bar present invention looks up structural representation;
Fig. 4 is another auger rod structure schematic diagram of the utility model;
Fig. 5 is Fig. 4 auger bar present invention looks up structural representation;
Fig. 6 is the improvement structural schematic diagram of Fig. 4.
Marked in the figure: 1 is acid hydrolysis tank, 2 be rabbling mechanism, and 3 be power mechanism, and 4 be rotary shaft, and 5 be stirring rack, and 6 are First crossbeam, 7 be auger bar, and 701 be helical blade, and 702 be stirring rod, and 8 be reinforcing rod, and 9 be second cross beam, and 10 be the Three crossbeams, 11 be support plate, and 12 be connecting plate, and 13 be incorporating section, and 14 be sliding slot.
Specific embodiment
With reference to the accompanying drawing, the utility model is described in detail.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain The utility model is not used to limit the utility model.
As shown in Figure 1, a kind of production denitration titanium dioxide acid hydrolysis tank 1, including agitating device, agitating device include blender Structure 2 and power mechanism 3, agitating device are protruded into acid hydrolysis tank 1 by rabbling mechanism 2, and rabbling mechanism includes rotary shaft 4, rotary shaft 4 One end be sequentially connected power mechanism 3, the other end of rotary shaft 4 be fixedly connected stirring rack 5, power mechanism 3 include slow down electricity Machine and reduction gearbox, since these are all existing common structures, details are not described herein, and as shown in Figures 2 and 3, stirring rack 5 includes First crossbeam 6, first crossbeam 6 are vertically arranged with rotary shaft 4, and the fixed company in the end of rotary shaft 4 and the middle part of first crossbeam 6 It connects, the end of first crossbeam 6 is fixedly connected with auger bar 7, and auger bar 7 includes helical blade 701 and stirring rod 702, helical blade 701 is welded on stirring rod 702 along the axis direction of stirring rod 702, and auger bar 7 is set as two, Auger bar 7 is arranged along the axisymmetrical of rotary shaft 4, that is, two ends of first crossbeam 6 are arranged in auger bar 7.For Reinforce the bonding strength between rotary shaft 4 and first crossbeam 6, is also connected by reinforcing rod 8 between rotary shaft 4 and first crossbeam 6 It connects.Rotary shaft 4 is driven to rotate by power mechanism 3, the rotation of rotary shaft 4 drives first crossbeam 6 to rotate, and is achieved in stirring and makees Industry.
It is preferably carried out mode as one kind, as shown in Figure 4 and Figure 5, stirring rack 5 includes first crossbeam 6, second cross beam 9 and third crossbeam 10, the end of first crossbeam 6, second cross beam 9 and third crossbeam 10 is in turn connected to form triangle rack, and three Support plate 11 is connected in the middle part of angular rack, the end of rotary shaft 4 is fixedly connected with support plate 11, and auger bar 7 is distinguished It is arranged at each endpoint of triangle rack.The rotation of rotary shaft 4 drives support plate 11 to rotate, and is achieved in triangle rack Rotation.Guarantee mixing effect by three auger bars 7 of setting, while being more likely formed stable steady flow result, reduces Scouring force of the solution to ceramic tile layer.
In Fig. 4 and embodiment shown in fig. 5, protrudes into/stretch out in acid hydrolysis tank 1 for the ease of rabbling mechanism 2, spiral is stirred It mixes bar 7 and is connect by connecting plate 12 with stirring rack 5, as shown in fig. 6, stirrup 7 is only with the end of its clamping in Fig. 6 Portion indicates, in order to display structure, is connected between support plate 11 and connecting plate 12 by incorporating section 13, incorporating section can be circle Cylindrical cylindrical rods are also possible to the rectangular shaft of rectangular configuration, and sliding slot 14 is provided on incorporating section 13, and one end of sliding slot 14 extends It to the middle part of connecting plate 12, is connected and fixed in order to which auger bar 7 slides at connecting plate 12, or is conveniently located at connecting plate Auger bar 7 at 12 centers is slid into from connecting plate 12 at incorporating section 13, and the end of auger bar 7 is connected to storage In the sliding slot 14 in portion 13, and auger bar 7 can be free to slide in sliding slot 14.It 14 slides along the chute the end of auger bar 7 It is dynamic, thus protrudes into/stretch out in acid hydrolysis tank 1 convenient for rabbling mechanism 2.
In the above-described embodiments, it is desirable that the outer diameter of helical blade 701 is 1.2 times to 2 times of 702 diameter of stirring rod, preferably It is 1.5 times, it is excessive to avoid helical blade 701 and adhere to the precipitate in solution and corrode helical blade 701.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model Protection scope within.

Claims (5)

1. a kind of production denitration titanium dioxide acid hydrolysis tank, including agitating device, agitating device includes rabbling mechanism and power mechanism, It is characterized in that, rabbling mechanism includes rotary shaft, one end of rotary shaft is sequentially connected power mechanism, and the other end of rotary shaft is fixed Connection stirring rack, stirring rack include at least first crossbeam, and first crossbeam is vertically arranged and connect with rotary shaft, first crossbeam End be fixedly connected with auger bar, the auger bar is at least arranged two, and auger bar is along rotary shaft Axisymmetrical setting.
2. production denitration titanium dioxide acid hydrolysis tank as described in claim 1, which is characterized in that stirring rack further includes the second cross Beam and third crossbeam, the end of first crossbeam, second cross beam and third crossbeam are in turn connected to form triangle rack, triangle machine Support plate is connected in the middle part of frame, the end of rotary shaft is fixedly connected with support plate, and auger bar is separately positioned on triangle At each endpoint of rack.
3. production denitration titanium dioxide acid hydrolysis tank as claimed in claim 2, which is characterized in that auger bar passes through connecting plate It connect with stirring rack, is connected between support plate and connecting plate by incorporating section, be provided with sliding slot, auger bar on incorporating section End be connected in the sliding slot of incorporating section, and auger bar can be free to slide in sliding slot.
4. the production denitration titanium dioxide acid hydrolysis tank as described in one of claim 1-3, which is characterized in that auger bar includes Helical blade and stirring rod, helical blade are welded on stirring rod along the axis direction of stirring rod.
5. production denitration titanium dioxide acid hydrolysis tank as claimed in claim 4, which is characterized in that the outer diameter of helical blade is stirring 1.2 times to 2 times of shank diameter.
CN201920043092.XU 2019-01-11 2019-01-11 Produce denitration titanium dioxide acid hydrolysis tank Active CN209481196U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112535882A (en) * 2020-12-02 2021-03-23 浙江工贸职业技术学院 Centrifugal oil-water separation device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112535882A (en) * 2020-12-02 2021-03-23 浙江工贸职业技术学院 Centrifugal oil-water separation device

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