Sodium cyanide storage tank

A technology for sodium cyanide and storage tanks, which is applied in the direction of tank cars, transport passenger cars, railway car body parts, etc., which can solve the problems of pressure vessel category promotion, waste of space, and high cost, and achieve reduction of storage costs, simplification of manufacturing processes, and equipment structure stable effect

Inactive Publication Date: 2014-01-22
天津市化工设计院
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Problems solved by technology

The disadvantages are: it is greatly affected by external environmental factors, the cost is high, and it wastes space; in addition, at low temperatures, it is necessary to increase the insulation thickness to maintain the temperature, which increases th

Method used

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  • Sodium cyanide storage tank
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  • Sodium cyanide storage tank

Examples

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[0031] Hereinafter, the present invention will be further described in detail according to the drawings:

[0032] As attached figure 1 As shown, the present invention intends to add a heat tracing half-pipe jacket 1 on the outer wall of a conventional storage tank. Specifically, a half-pipe jacket is welded on the equipment body 4 within the range of the equipment charging coefficient, and the half pipe jacket is at the top and bottom of the half pipe jacket. The lower ends are respectively welded to the upper port 2 of the jacket and the lower port 3 of the jacket; as attached Figure 2a The half pipe shown is cut with a stainless steel pipe with a diameter of 50 mm to 125 mm, and a certain amount of gap is left between adjacent half pipes 1 to facilitate the welding operation during the processing of the equipment half pipe jacket. As attached Figure 3a As shown, the half-pipe jacket end blocking plates 8 are welded at the uppermost and lowermost half-pipe jacket ends 7 of the ...

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Abstract

The invention discloses a sodium cyanide storage tank. Half-pipejackets are arranged on the external wall of the sodium cyanide water solution storage tank; upper ends of half-pipes are 100 to 500 mm lower than a highest liquid level of materials; lower ends of the half-pipes are 100 to 500 mm or more apart from a device base plate; the half-pipes are directly welded to a device body; two ends of the half-pipe jackets are respectively welded to a tail end blocking plate; heat exchange medium inlet and outlet pipes with the diameter of 25 to 80 mm are arranged at two ends of the half-pipes. According to the tank for storing sodium cyanide water solution, when the environmental temperature is too low, the half-pipe jacket can be heated through steam or hot water; when the environmental temperature is too high, low temperature cooling water is utilized inside the half-pipe jacket to remove heat of the solution; temperature of the solution inside the sodium cyanide storage tank is controlled by controlling the outside to add different heat exchange mediums, the temperature of the sodium cyanide water solution is maintained to be at 0 to 25 DEG C, and the purpose of safely and stably storing the sodium cyanide water solution is achieved.

Description

technical field [0001] The invention belongs to the technical field of chemical equipment and relates to the storage problem of sodium cyanide aqueous solution, in particular to a sodium cyanide storage tank. Background technique [0002] Sodium cyanide: highly toxic, can produce trace amounts of hydrogen cyanide gas in the air, keep it in a closed and dry place away from light, its aqueous solution will cause its polymerization when it is above 25°C; it may cause its aqueous solution to solidify when it is below 0°C. At present, the general way of storing sodium cyanide aqueous solution in chemical plants is that the outdoor ordinary storage tank is equipped with a canopy to prevent sunlight exposure, and an insulation layer is set to prevent the sodium cyanide aqueous solution from solidifying at low temperature. The disadvantages are: it is greatly affected by external environmental factors, the cost is high, and space is wasted; in addition, at low temperatures, the temp...

Claims

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Application Information

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IPC IPC(8): B65D88/74
Inventor 曹建新徐涛考连郡徐晓媛王洪玲
Owner 天津市化工设计院
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