針對(duì)現(xiàn)有技術(shù)存在的不足，本發(fā)明的目的在于，提供一種利用氫氧化鉀連續(xù)化處理廢金屬鈉的裝置及工藝，解決現(xiàn)有技術(shù)中生產(chǎn)效率不足的技術(shù)問(wèn)題。
In view of the shortcomings of the prior art, the invention aims to provide a device and process for continuously treating waste metal sodium by using potassium hydroxide, so as to solve the technical problem of insufficient production efficiency in the prior art.
本發(fā)明具有如下技術(shù)特征：
The invention has the following technical features:
所述的反應(yīng)器采用管式反應(yīng)器；所述的分離器采用管式分離器；所述的氫氧化鉀預(yù)熱器采用管式預(yù)熱器。
The reactor adopts a tubular reactor; The separator adopts a tubular separator; The potassium hydroxide preheater adopts a tubular preheater.
所述的多個(gè)并聯(lián)的熔融廢金屬鈉高位罐通過(guò)換熱器與廢金屬鈉進(jìn)料口相連。
The plurality of parallel high-level molten waste metal sodium tanks are connected with the waste metal sodium feed port through a heat exchanger.
所述的氫氧化鉀預(yù)熱器的出料口與氫氧化鉀進(jìn)料口通過(guò)倒u型連接管相連。
The outlet of the potassium hydroxide preheater is connected with the potassium hydroxide inlet through an inverted U-shaped connecting pipe.
所述的反應(yīng)器和分離器與一個(gè)液封器相連，所述的氫氧化鉀預(yù)熱器與另一個(gè)液封器相連。
The reactor and separator are connected with a liquid seal, and the potassium hydroxide preheater is connected with another liquid seal.
本發(fā)明還保護(hù)一種利用氫氧化鉀連續(xù)化處理廢金屬鈉的工藝，該工藝采用如上所述的利用氫氧化鉀連續(xù)化處理廢金屬鈉的裝置。
The invention also protects a process for continuously treating waste metal sodium with potassium hydroxide, which adopts the device for continuously treating waste metal sodium with potassium hydroxide as described above.
所述的氫氧化鉀含量大于95wt.％；所述的廢金屬鈉的預(yù)熱溫度保持在103～450℃，氫氧化鉀的預(yù)熱溫度450～580℃，反應(yīng)溫度450～580℃，反應(yīng)體系壓力為常壓。
The potassium hydroxide content is greater than 95wt.%; The preheating temperature of the waste metal sodium is maintained at 103 ~ 450 ℃, the preheating temperature of potassium hydroxide is 450 ~ 580 ℃, the reaction temperature is 450 ~ 580 ℃, and the pressure of the reaction system is normal pressure.
所述的廢金屬鈉、氫氧化鉀是在惰性氣體保護(hù)下先提升高位罐再依靠重力輸送反應(yīng)體系，稱重計(jì)量；所用惰性氣體為氮?dú)狻鍤狻?/div>
The waste metal sodium and potassium hydroxide are first lifted to the high-level tank under the protection of inert gas, and then transported to the reaction system by gravity for weighing and metering; The inert gases used are nitrogen and argon.
所述的廢金屬鈉與氫氧化鉀的摩爾比為1：1～1：3。
The molar ratio of waste metal sodium to potassium hydroxide is 1:1 ~ 1:3.
所述的利用氫氧化鉀連續(xù)化處理廢金屬鈉的裝置采用純鎳或鎳合金制成。
The device for continuously treating waste metal sodium with potassium hydroxide is made of pure nickel or nickel alloy.
所述的利用氫氧化鉀連續(xù)化處理廢金屬鈉的裝置的加熱方式為電加熱、燃?xì)饧訜?、燃油加熱?/div>
The heating mode of the device for continuously treating waste metal sodium with potassium hydroxide is electric heating, gas heating and fuel oil heating.
本發(fā)明與現(xiàn)有技術(shù)相比，具有如下技術(shù)效果：
Compared with the prior art, the invention has the following technical effects:
(ⅰ)本發(fā)明采用一種連續(xù)化處置方法，適合所有廢金屬鈉，也包括含金屬鉀的廢金屬鈉，不僅將鈉而且將廢料中含有的金屬鉀也轉(zhuǎn)變成更高價(jià)值的金屬鉀，反應(yīng)過(guò)程可控，更加穩(wěn)定，顯著提高了生產(chǎn)效率。
(I) the invention adopts a continuous treatment method, which is suitable for all waste metal sodium, including waste metal sodium containing metal potassium. It not only converts sodium, but also metal potassium contained in the waste into metal potassium with higher value. The reaction process is controllable, more safe and stable, and significantly improves the production efficiency.
(ⅱ)本發(fā)明通過(guò)連續(xù)式自溢流設(shè)計(jì)使反應(yīng)過(guò)程中產(chǎn)生的氫氧化鈉和氫氧化鉀等的混合物可連續(xù)導(dǎo)出反應(yīng)體系，為生產(chǎn)過(guò)程連續(xù)操作奠定了基礎(chǔ)，避免了間歇操作出料過(guò)程中的危險(xiǎn)性及惰性氣體反復(fù)置換的繁鎖過(guò)程。
(II) through the continuous self overflow design, the mixture of sodium hydroxide and potassium hydroxide produced in the reaction process can be continuously exported to the reaction system, which lays a foundation for the continuous operation of the production process, and avoids the danger in the intermittent operation discharge process and the complicated process of repeated replacement of inert gas.
(ⅳ)本發(fā)明的工藝過(guò)程中產(chǎn)生的氫氧化鈉和
氫氧化鉀等的混合物可作為堿用于工業(yè)爐窯煙氣脫硫、脫硝等。
(IV) the mixture of sodium hydroxide and potassium hydroxide produced in the process of the invention can be used as alkali for industrial furnace flue gas desulfurization, denitration, etc.
(ⅲ)本發(fā)明將危險(xiǎn)廢物轉(zhuǎn)換為產(chǎn)物，本發(fā)明的工藝過(guò)程中不產(chǎn)生廢氣、廢水，避免了其它處置方法產(chǎn)生二次污染的問(wèn)題。
(III) the invention converts hazardous wastes into safe products. The process of the invention does not produce waste gas and waste water, and avoids the problem of secondary pollution caused by other disposal methods.
(ⅴ)可以通過(guò)設(shè)計(jì)連續(xù)反應(yīng)器的數(shù)量、控制原料進(jìn)料速度等設(shè)計(jì)處置規(guī)模，或靈活安排處置量，完全實(shí)現(xiàn)自動(dòng)化。
(V) the safe disposal scale can be designed by designing the number of continuous reactors and controlling the feed rate of raw materials, or the disposal volume can be flexibly arranged to fully realize automation.
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