Wear-resistant elbow of titanium dioxide cooler

Abstract

The invention discloses a titanium dioxide cooler wear-resisting elbow which comprises an inner elbow and an outer elbow which are made of corrosion-resisting materials, an aluminum oxide knotting material is filled between the inner elbow and the outer elbow, the two ends of the inner elbow and the two ends of the outer elbow are sealed and fixed through baffles, and the two ends of the inner elbow are connected with an inlet flange and an outlet flange respectively. 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 invention relates to the technical field of titanium dioxide production, in particular to a wear-resistant elbow of a titanium dioxide cooler. Background Art

[0002] The titanium tetrachloride gas phase oxidation reactant cooler is a device for producing titanium dioxide in the chloride process of titanium dioxide production. High temperature oxygen and high temperature titanium tetrachloride gas undergo gas phase oxidation reaction, and the high temperature titanium dioxide and chlorine mixture after the reaction quickly enters the cooler to complete material cooling, so as to achieve the titanium dioxide product particle size and particle size distribution requirements required by the production process.

[0003] At present, the elbow pipes of titanium dioxide coolers are prone to wear and corrosion problems, which will affect the service life of the titanium dioxide cooler, affect product quality indicators, and affect the smoothness of process production. Summary of the invention

[0004] In order to solve the above problems, the present invention provides a wear-resistant elbow of a titanium dioxide cooler to solve the leakage problem of the cooler elbow pipeline due to wear and corrosion, ensure the rapid cooling of high-temperature titanium dioxide and chlorine product materials, and ensure that the particle size and particle size distribution of the titanium dioxide product meet the production process requirements.

[0005] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a titanium dioxide cooler wear-resistant elbow, comprising an inner bend pipe and an outer bend pipe made of corrosion-resistant material, wherein alumina knotting material is filled between the inner bend pipe and the outer bend pipe, and both ends are sealed and fixed by baffles, and the two ends of the inner bend pipe are respectively connected to the inlet flange and the outlet flange.

[0006] The inner curved pipe and the outer curved pipe are made of INCONEL material.

[0007] The diameter of the inner curved pipe is 150-300 mm, and the diameter of the outer curved pipe is 250-450 mm.

[0008] The inner curved tube is a round tube, and the outer curved tube is a square tube.

[0009] The inner curved pipe is a square pipe, and the outer curved pipe is a square pipe.

[0010] Beneficial effects of the present invention: Compared with the prior art, the present invention uses alumina knotting materials to combine and install the inner bend pipe and the outer bend pipe, which effectively improves the wear and corrosion resistance of the titanium dioxide cooler elbow pipe to high-temperature titanium dioxide and high-temperature chlorine. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The present invention will be further described below in conjunction with the accompanying drawings: Figure 1 It is a structural schematic diagram of the present invention; Figure 2 It is a structural schematic diagram of Example 2; Figure 3 It is a structural schematic diagram of Example 3; In the figure: 1. Inner bend pipe; 2. Outer bend pipe; 3. Alumina knotting material; 4. Baffle; 5. Inlet flange; 6. Outlet flange. DETAILED DESCRIPTION

[0012] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0013] The technical solution of the present invention is described in detail with specific embodiments below. The following specific embodiments can be combined or replaced with each other according to actual conditions, and the same or similar concepts or processes may not be described in detail in some embodiments. Example

[0014] like Figure 1 As shown, the present invention provides a wear-resistant elbow of a titanium dioxide cooler, comprising an inner bend pipe 1 and an outer bend pipe 2 made of corrosion-resistant materials, an alumina knotting material 3 is filled between the inner bend pipe 1 and the outer bend pipe 2, and both ends are sealed and fixed by a baffle 4, and the two ends of the inner bend pipe 1 are respectively connected to an inlet flange 5 and an outlet flange 6; the inner bend pipe 1 and the outer bend pipe 2 are made of INCONEL material; the diameter of the inner bend pipe 1 is 150-300mm, and the diameter of the outer bend pipe 2 is 250-450mm. The inner bend pipe 1 and the outer bend pipe 2 are assembled and installed by the alumina knotting material 3, which effectively improves the wear and corrosion resistance of the titanium dioxide cooler elbow pipeline to high-temperature titanium dioxide and high-temperature chlorine. Example

[0015] like Figure 2 As shown, the inner curved tube 1 is a round tube, and the outer curved tube 2 is a square tube. Example

[0016] like Figure 3 As shown, the inner bend pipe 1 is a square pipe, and the outer bend pipe 2 is a square pipe.

[0017] In addition to the above-mentioned preferred embodiments, the present invention also has other implementation modes. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative work are within the scope of protection requested by the present invention.

Claims

1. A titanium dioxide cooler wear-resistant elbow, characterized in that: It comprises an inner curved pipe (1) and an outer curved pipe (2) made of corrosion-resistant material, wherein an alumina knotting material (3) is filled between the inner curved pipe (1) and the outer curved pipe (2), and both ends are sealed and fixed by a baffle (4), and both ends of the inner curved pipe (1) are respectively connected to an inlet flange (5) and an outlet flange (6).

2. The titanium dioxide cooler wear-resistant elbow according to claim 1, characterized in that: The inner curved pipe (1) and the outer curved pipe (2) are made of INCONEL material.

3. The titanium dioxide cooler wear-resistant elbow according to claim 1, characterized in that: The diameter of the inner curved pipe (1) is 150 to 300 mm, and the diameter of the outer curved pipe (2) is 250 to 450 mm.

4. The titanium dioxide cooler wear-resistant elbow according to claim 1, characterized in that: The inner curved tube (1) is a round tube, and the outer curved tube (2) is a square tube.

5. The titanium dioxide cooler wear-resistant elbow according to claim 1, characterized in that: The inner curved pipe (1) is a square pipe, and the outer curved pipe (2) is a square pipe.

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