Wear-resistant elbow of titanium dioxide cooler

Abstract

The utility model discloses a titanium dioxide cooler wear-resisting elbow, which comprises an inner elbow pipe and an outer elbow pipe which are made of Inconel materials, aluminum oxide knotting materials are filled between the inner elbow pipe and the outer elbow pipe, two ends of the inner elbow pipe and the outer elbow pipe are sealed and fixed through baffle plates, two ends of the inner elbow pipe are respectively connected with an inlet flange and an outlet flange, the pipe diameter of the inner elbow pipe is 150-300mm, and the diameter of the outer elbow pipe is 150-300mm. The pipe diameter of the outer bent pipe ranges from 250 mm to 450 mm. The inner bent pipe and the outer bent pipe are combined and mounted through the aluminum oxide knotting material, so that the wear resistance and corrosion resistance of the titanium dioxide cooler elbow pipeline to high-temperature titanium dioxide and high-temperature chlorine are effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to titanium dioxide production technical field, concretely relates to a titanium dioxide cooler wear -resisting elbow. BACKGROUND

[0002] Titanium tetrachloride gas phase oxidant cooler is the equipment of titanium dioxide production in chlorination method titanium dioxide production process. High temperature oxygen and high temperature titanium tetrachloride gas carry out gas phase oxidation reaction, and the mixture of high temperature titanium dioxide and chlorine after reaction, fast into the cooler and complete material cooling, to realize the requirement of titanium dioxide product granularity and granularity distribution required by production process.

[0003] At present, the elbow pipeline of titanium dioxide cooler is prone to wear and corrosion problem, thereby influencing the service life of titanium dioxide cooler, influencing product quality index, influencing process production smooth. SUMMARY

[0004] In order to solve the above problem, the utility model provides a titanium dioxide cooler wear -resisting elbow, solves the leakage problem of cooler elbow pipeline due to wear and corrosion, guarantees the rapid cooling of high temperature titanium dioxide and chlorine product material, guarantees that titanium dioxide product granularity and granularity distribution meet the production process requirement.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: a titanium dioxide cooler wear -resisting elbow, including the inner elbow pipe and outer elbow pipe made of inconel material, the inner elbow pipe and outer elbow pipe are filled with alumina knot material, and both ends are sealed and fixed through baffle, the both ends of the inner elbow pipe are connected with inlet flange and outlet flange respectively, the pipe diameter of the inner elbow pipe is 150-300mm, and the pipe diameter of the outer elbow pipe is 250-450mm.

[0006] The wall thickness of the inner elbow pipe is 20-30mm, and the wall thickness of the outer elbow pipe is 10-20mm.

[0007] The inner elbow pipe is a round pipe, and the outer elbow pipe is a square pipe.

[0008] The inner elbow pipe is a square pipe, and the outer elbow pipe is a square pipe.

[0009] The utility model has the advantages that, compared with the prior art, the inner elbow pipe and outer elbow pipe are combined and installed through alumina knot material, so that the wear resistance and corrosion resistance of the titanium dioxide cooler elbow pipeline to high temperature titanium dioxide and high temperature chlorine are effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0010] The utility model will be further described below in connection with the drawings:

[0011] Figure 1 It is the structural schematic diagram of the utility model.

[0012] Figure 2 This is a schematic diagram of the structure of Example 2;

[0013] Figure 3 This is a schematic diagram of the structure of Example 3;

[0014] In the diagram: 1. Inner bend; 2. Outer bend; 3. Alumina bridging material; 4. Baffle; 5. Inlet flange; 6. Outlet flange. Detailed Implementation

[0015] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments.

[0016] The technical solution of this utility model will be described in detail below with specific embodiments. The following specific embodiments can be selected to be combined or substituted with each other according to the actual situation, and the same or similar concepts or processes may not be described again in some embodiments. Example

[0017] like Figure 1 As shown, this utility model provides a wear-resistant elbow for a titanium dioxide cooler, comprising an inner bend 1 and an outer bend 2 made of INCONEL material. The space between the inner bend 1 and the outer bend 2 is filled with alumina binding material 3, and both ends are sealed and fixed by baffles 4. The inner bend 1 is connected to an inlet flange 5 and an outlet flange 6 at both ends, respectively. The diameter of the inner bend 1 is 150–300 mm, and the diameter of the outer bend 2 is 250–450 mm. The wall thickness of the inner bend 1 is 20–30 mm, and the wall thickness of the outer bend 2 is 10–20 mm. By combining and installing the inner bend 1 and the outer bend 2 with the alumina binding material 3, the wear resistance and corrosion resistance of the titanium dioxide cooler elbow pipe to high-temperature titanium dioxide and high-temperature chlorine gas are effectively improved. Example

[0018] like Figure 2 As shown, the inner bend 1 is a round pipe, and the outer bend 2 is a square pipe. Example

[0019] like Figure 3 As shown, the inner bend 1 is a square tube, and the outer bend 2 is a square tube.

[0020] In addition to the preferred embodiments described above, there are other embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection claimed by this utility model.

Claims

1. A titanium dioxide cooler wear elbow characterized by, It includes inner elbow pipe (1) and outer elbow pipe (2) made of Inconel material, the inner elbow pipe (1) and outer elbow pipe (2) are filled with alumina knot material (3), both ends are sealed and fixed by baffle (4), the inner elbow pipe (1) is connected with inlet flange (5) and outlet flange (6) respectively, the pipe diameter of the inner elbow pipe (1) is 150-300mm, the pipe diameter of the outer elbow pipe (2) is 250-450mm.

2. A titanium dioxide cooler wear elbow according to claim 1, characterised in that, The wall thickness of the inner elbow pipe (1) is 20-30mm, and the wall thickness of the outer elbow pipe (2) is 10-20mm.

3. A titanium dioxide cooler wear elbow according to claim 1, wherein The inner elbow pipe (1) is a round pipe, and the outer elbow pipe (2) is a square pipe.

4. A titanium dioxide cooler wear elbow according to claim 1, wherein The inner elbow pipe (1) is a square pipe, and the outer elbow pipe (2) is a square pipe. The inner elbow pipe (1) is a square pipe, and the outer elbow pipe (2) is a square pipe.

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