The utility model discloses a tower-type continuous chlorination device for producing dichlorotoluene, which comprises a tower-type reactor for continuous chlorination reaction, an absorption tower for removing chlorine gas from tail gas, a spray tower for removing chlorine gas from tail gas and a configuration tank for forming a configuration liquid. The bottom of the tower-type reactor is provided with a configuration liquid. A metering pump is arranged on the feed pipe of the configuration liquid, and an exhaust gas outlet pipe is arranged on the top of the tower reactor. The exhaust gas outlet pipe is connected with the inlet at the bottom of the absorption tower, and the outlet at the bottom of the absorption tower is connected with the inlet of the spray tower, and the inlet of the absorption tower is connected with the inlet of the absorption tower. The liquid outlet is connected with the configuration groove. The chlorinated liquid is cooled by a heat exchanger outside the reactor and then enters a tower reactor to cool down the system, and the reaction temperature is controlled between 25 and 35 degrees Celsius. Secondly, the process conditions to achieve continuous feeding and discharging, large capacity, high product yield, reasonable process, high chlorine utilization rate, tail gas discharge standards. By-product hydrochloric acid after the above system treatment, to achieve industrial-grade quality requirements, save resources, achieve circular economy development and environmental protection.
【技術(shù)實(shí)現(xiàn)步驟摘要】
一種塔式連續(xù)氯化生產(chǎn)二氯甲苯的裝置
本技術(shù)涉及一種塔式連續(xù)氯化生產(chǎn)二氯甲苯的裝置。
技術(shù)介紹
二氯甲苯是重要的精細(xì)化工原料,可廣泛地用于制造殺菌劑、殺蟲(chóng)劑、除草劑、染料及顏料、醫(yī)藥及其他化工產(chǎn)品,其地位和作用越來(lái)越受到人們的關(guān)注,其合成技術(shù)的難度及廣泛的用途,使得該化合物產(chǎn)生較高的附加值,而現(xiàn)今現(xiàn)今氯化行業(yè)大多以間歇式反應(yīng)為主,工藝落后,能耗物耗高。
技術(shù)實(shí)現(xiàn)思路
本技術(shù)提供了一種塔式連續(xù)氯化生產(chǎn)二氯甲苯的裝置,實(shí)現(xiàn)連續(xù)進(jìn)料和出料,產(chǎn)能大,產(chǎn)品收率高,工藝合理,氯氣利用率高,尾氣排放達(dá)標(biāo)。為了解決上述問(wèn)題,本技術(shù)所采用的技術(shù)方案是這樣的,本技術(shù)還提供一種塔式連續(xù)氯化生產(chǎn)二氯甲苯的裝置,包括用于連續(xù)氯化反應(yīng)的塔式反應(yīng)器,用于除去尾氣中氯氣的吸收塔、用于除去尾氣中氯氣的噴淋塔和用于形成配置液的配置槽,所述的塔式反應(yīng)器底部設(shè)置有配置液進(jìn)料管,該配置液進(jìn)料管與配置槽相連,所述的配置液進(jìn)料管上設(shè)置有計(jì)量泵;所述的塔式反應(yīng)器上部設(shè)置有氯化液出料口,所述的氯化液出料口與氯化液輸出管相連,所述的氯化液輸出管與氯化液外循環(huán)管相連,所述的氯化液外循環(huán)管與塔式反應(yīng)器底部相連,所述的氯化液輸出管連接有出料管,所述的氯化液外循環(huán)管上設(shè)置有換熱器和循環(huán)泵,所述氯化液輸入管連接有氯氣進(jìn)管;所述的塔式反應(yīng)器頂部設(shè)置有廢氣出管,該廢氣出管與吸收塔底部的進(jìn)氣口相連,吸收塔底部的出氣口與噴淋塔的進(jìn)氣口相連,所述的吸收塔的進(jìn)液口與配置槽相連。優(yōu)選地,所述的氯氣進(jìn)管上設(shè)置有氯氣流量調(diào)節(jié)閥。優(yōu)選地,所述的出料管上設(shè)置有液體流量控制閥有益效果:1、本技術(shù)將氯化液在反應(yīng)器外用換熱器進(jìn)行冷卻后進(jìn)入塔式反應(yīng)器進(jìn)行系 ...
【技術(shù)保護(hù)點(diǎn)】
1.一種塔式連續(xù)氯化生產(chǎn)二氯甲苯的裝置,其特征在于,包括用于連續(xù)氯化反應(yīng)的塔式反應(yīng)器,用于除去尾氣中氯氣的吸收塔、用于除去尾氣中氯氣的噴淋塔和用于形成配置液的配置槽,?所述的塔式反應(yīng)器底部設(shè)置有配置液進(jìn)料管,該配置液進(jìn)料管與配置槽相連,所述的配置液進(jìn)料管上設(shè)置有計(jì)量泵;所述的塔式反應(yīng)器上部設(shè)置有氯化液出料口,所述的氯化液出料口與氯化液輸出管相連,所述的氯化液輸出管與氯化液外循環(huán)管相連,所述的氯化液外循環(huán)管與塔式反應(yīng)器底部相連,所述的氯化液輸出管連接有出料管,所述的氯化液外循環(huán)管上設(shè)置有換熱器和循環(huán)泵,?所述氯化液輸入管連接有氯氣進(jìn)管;所述的塔式反應(yīng)器頂部設(shè)置有廢氣出管,該廢氣出管與吸收塔底部的進(jìn)氣口相連,吸收塔底部的出氣口與噴淋塔的進(jìn)氣口相連,所述的吸收塔的進(jìn)液口與配置槽相連。
【技術(shù)特征摘要】
1.一種塔式連續(xù)氯化生產(chǎn)二氯甲苯的裝置,其特征在于,包括用于連續(xù)氯化反應(yīng)的塔式反應(yīng)器,用于除去尾氣中氯氣的吸收塔、用于除去尾氣中氯氣的噴淋塔和用于形成配置液的配置槽,所述的塔式反應(yīng)器底部設(shè)置有配置液進(jìn)料管,該配置液進(jìn)料管與配置槽相連,所述的配置液進(jìn)料管上設(shè)置有計(jì)量泵;所述的塔式反應(yīng)器上部設(shè)置有氯化液出料口,所述的氯化液出料口與氯化液輸出管相連,所述的氯化液輸出管與氯化液外循環(huán)管相連,所述的氯化液外循環(huán)管與塔式反應(yīng)器底部相連,所述的氯化液輸出管連接...
【專利技術(shù)屬性】
技術(shù)研發(fā)人員:陳秀珍,束立軍,黃敏,蔡偉忠,孫乾華,陸敏山,
申請(qǐng)(專利權(quán))人:南京鐘騰化工有限公司,
類型:新型
國(guó)別省市:江蘇,32
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