CN201154253Y - A kind of filtering device of crude titanium tetrachloride - Google Patents

Abstract

A filter device for coarse titanium tetrachloride, which is composed of a cylinder body, an end cover and an alloy membrane tube. The end cover and the cylinder body are fastened with bolts through flanges to form a filter tank, and the alloy membrane tubes are combined to form a filter assembly. The upper and lower film tube fixing plates are installed in the filter tank, the top of the end cover is provided with a discharge port, the two sides of the end cover are respectively provided with backwashing agent inlets, the side of the lower end of the cylinder is provided with a feed port, and the bottom is provided with a There is a slag discharge port, and automatic valves are installed at the discharge port, the backwash agent inlet, the feed port, and the slag discharge port. The utility model makes crude titanium tetrachloride filtration, backwashing and slag discharge all carried out in a fully sealed device, which can realize continuous automatic operation, improve working conditions, reduce workload and reduce environmental pollution.

Description

A kind of filtering device of crude titanium tetrachloride

technical field

The utility model relates to a filter device for crude titanium tetrachloride, in particular to a filter device for crude titanium tetrachloride produced through chlorination.

Background technique

At present, the crude titanium tetrachloride produced by boiling chlorination contains finer solid impurities such as unreacted titanium-rich materials and petroleum coke, and a vertical filter cloth filter is used in the current production process. There are many metal cylinders with holes inside, and the metal cylinders are wrapped with polyester cloth. After filtering for a period of time, the mud should be discharged regularly. The filter cloth wound on the metal filter cartridge gradually forms a filter residue cake due to the adsorption of impurities in the feed liquid, which eventually leads to filter failure. When replacing the filter cloth, since the filter residue cake contains a large amount of titanium tetrachloride liquid, a large amount of white acidic smoke will be generated when the filter cloth is replaced or removed when encountering air and water, which will pollute the environment and cause physical harm to the operator. Injury, and this method belongs to a kind of intermittent operation method, which has the disadvantages of high production cost and low labor productivity.

Contents of the invention

The purpose of this utility model is to provide a filter device for coarse titanium tetrachloride, to solve the problems of environmental pollution and low labor productivity caused by the current process filter equipment, and to realize the automatic control of the filter process. The filter device is composed of a cylinder body, an end cover and an alloy membrane tube. The end cover and the cylinder body are fastened with bolts through flanges to form a filter tank. The alloy membrane tubes are combined to form a filter assembly, which is fixedly installed in the filter tank. , the top of the end cover is provided with a discharge port, the two sides of the end cover are respectively provided with backwash agent inlets, one side of the lower end of the cylinder is provided with a feed port, and the bottom is provided with a slag discharge port. Automatic valves are respectively provided at the discharge port, the backwash agent inlet, the feed port and the slag discharge port.

The filter tank is equipped with the upper fixing plate of the membrane tube and the lower fixing plate of the membrane tube. The upper fixing plate of the membrane tube is provided with a sealing gasket. The lower fixing plate of the membrane tube is suspended in the filter tank. The alloy membrane tubes are clamped and fixed between the upper fixing plate of the membrane tube and the lower fixing plate of the membrane tube through the screw and the adjusting screw.

When the utility model is in use, the processes of filtration, backwashing and slag discharge are all completed in a fully sealed system. During backwashing, no new impurity components will be introduced, and continuous automatic operation can be realized, which reduces the amount of manual labor and solves the problem of environmental pollution issues.

Description of drawings

Fig. 1 is the filter device structural representation of the thick titanium tetrachloride of the present utility model;

Fig. 2 is an enlarged view at I place in Fig. 1;

Fig. 3 is an enlarged view of II in Fig. 1 .

In the figure: 1-cylinder, 2-end cover, 3-outlet, 4-backwashing agent inlet, 5-support, 6-feed inlet, 7-slagging outlet, 8-double-headed screw, 9 -alloy membrane tube, 10-screw, 11-sealing gasket, 12-upper fixing plate of membrane tube, 13-lower fixing plate of membrane tube, 14-adjusting screw.

Detailed ways:

Below in conjunction with accompanying drawing, the utility model is further described.

A filter device for coarse titanium tetrachloride of the utility model is mainly composed of a cylinder body 1, an end cover 2, and an alloy membrane tube 9, and the end cover 2 and the cylinder body 1 are fastened and connected by flanges with bolts to form a filter tank , a discharge port 3 is provided above the end cover 2, two backwash agent inlets 4 are respectively provided on both sides of the end cover 2, a support 5 is provided on the cylinder body 1, and a bottom side of the cylinder body 1 is provided with The feed inlet 6 is provided with a slagging outlet 7 at the lowermost end, and a filter assembly composed of a plurality of alloy membrane tubes 9 combined together, a membrane tube upper fixing plate 12, a membrane tube lower fixing plate 13, and a membrane tube are arranged in the filter tank. The upper fixing plate 12 of the tube is set between the cylinder body 1 and the end cover 2, and a sealing gasket 11 is arranged on the upper fixing plate 12 of the membrane tube, the lower fixing plate 13 of the membrane tube is suspended in the filter tank, and the upper fixing plate 12 of the membrane tube And the lower fixing plate 13 of the membrane tube is tensioned by multiple double-ended screws 8, and each alloy membrane tube 9 is clamped and fixed between the upper fixing plate 12 of the membrane tube and the lower fixing plate 13 of the membrane tube by the screw 10 and the adjusting screw 14.

In the utility model, automatic valves can also be respectively arranged at the discharge port 3, the backwash agent inlet 4, the feed port 6 and the slag discharge port 7, so as to realize the automation of the filtering process.

In order to improve the corrosion resistance of the utility model and prolong the service life of the alloy membrane tube 9, the alloy membrane tube preferably adopts Ti-Al alloy.

When the utility model is used for crude titanium tetrachloride filtration, close the slag discharge interface valve at the bottom, the crude titanium tetrachloride is added from the feed port 6, and flows out from the discharge port 3 after passing through the alloy membrane tube 9; during the filtration process When backwashing according to the set time, close the automatic valves at the discharge port 3 and the feed port 6, open the automatic valves at the backwash agent inlet 4 and the slag discharge port 7, add backwash agent to remove the The filtrate on the outer surface of the membrane tube is blown off and discharged into the thickener through the slag outlet.

The above-mentioned backwashing agent can be argon or filtered clear liquid or a mixture of argon and filtered clear liquid.

During the production and application process of the utility model, the solid content of the filtrate is completely qualified, the membrane permeability is good, the environmental quality is effectively improved, and the airtight and continuous production is realized, which greatly improves the production efficiency.

Claims (4)

1, a kind of filter of crude titanic chloride, form by cylindrical shell (1), end cap (2) and alloy film pipe (9), end cap (2) connects into filtering tank by flange with bolted with cylindrical shell (1), it is characterized in that: alloy film pipe (9) is combined the formation filter assemblies and is fixedly mounted in the described filtering tank, described end cap (2) top is provided with discharging opening (3), end cap (2) both sides are respectively equipped with backwash agent inlet (4), and a side of cylindrical shell (1) lower end is provided with charging aperture (6), the bottom is provided with slag-drip opening (7).

2, the filter of crude titanic chloride according to claim 1, it is characterized in that: be provided with film pipe upper mounted plate (12) and film pipe bottom plate (13) in the filtering tank, film pipe upper mounted plate (12) is provided with sealing gasket (11), film pipe bottom plate (13) is suspended from the filtering tank, film pipe upper mounted plate (12) and film pipe bottom plate (13) are by double threaded screw (8) tension, and described each alloy film pipe (9) is clamped between film pipe upper mounted plate (12) and the film pipe bottom plate (13) by screw (10) and adjusting screw(rod) (14).

3, the filter of crude titanic chloride according to claim 1 is characterized in that: described discharging opening (3), backwash agent inlet (4), charging aperture (6) and slag-drip opening (7) locate to be provided with respectively automatic valve.

4, the filter of a kind of crude titanic chloride according to claim 1 is characterized in that: described alloy film pipe (9) is a Ti-Al alloy film pipe.

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