CN104083889B - 高效节能酒精回收塔 - Google Patents
高效节能酒精回收塔 Download PDFInfo
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- CN104083889B CN104083889B CN201410328062.5A CN201410328062A CN104083889B CN 104083889 B CN104083889 B CN 104083889B CN 201410328062 A CN201410328062 A CN 201410328062A CN 104083889 B CN104083889 B CN 104083889B
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- rectifying column
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- condenser
- reboiler
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- LFQSCWFLJHTTHZ-UHFFFAOYSA-N ethanol Chemical compound data:image/svg+xml;base64,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 data:image/svg+xml;base64,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 CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 238000011084 recovery Methods 0.000 title claims abstract description 11
- 239000007788 liquid Substances 0.000 claims abstract description 20
- 238000010992 reflux Methods 0.000 claims abstract description 9
- 238000004891 communication Methods 0.000 claims abstract description 8
- 238000000605 extraction Methods 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000004134 energy conservation Methods 0.000 abstract description 2
- 239000000945 filler Substances 0.000 description 5
- 239000012071 phase Substances 0.000 description 5
- 238000004821 distillation Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- OKKJLVBELUTLKV-UHFFFAOYSA-N methanol Chemical compound data:image/svg+xml;base64,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 data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0nMS4wJyBlbmNvZGluZz0naXNvLTg4NTktMSc/Pgo8c3ZnIHZlcnNpb249JzEuMScgYmFzZVByb2ZpbGU9J2Z1bGwnCiAgICAgICAgICAgICAgeG1sbnM9J2h0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnJwogICAgICAgICAgICAgICAgICAgICAgeG1sbnM6cmRraXQ9J2h0dHA6Ly93d3cucmRraXQub3JnL3htbCcKICAgICAgICAgICAgICAgICAgICAgIHhtbG5zOnhsaW5rPSdodHRwOi8vd3d3LnczLm9yZy8xOTk5L3hsaW5rJwogICAgICAgICAgICAgICAgICB4bWw6c3BhY2U9J3ByZXNlcnZlJwp3aWR0aD0nODVweCcgaGVpZ2h0PSc4NXB4JyB2aWV3Qm94PScwIDAgODUgODUnPgo8IS0tIEVORCBPRiBIRUFERVIgLS0+CjxyZWN0IHN0eWxlPSdvcGFjaXR5OjEuMDtmaWxsOiNGRkZGRkY7c3Ryb2tlOm5vbmUnIHdpZHRoPSc4NS4wJyBoZWlnaHQ9Jzg1LjAnIHg9JzAuMCcgeT0nMC4wJz4gPC9yZWN0Pgo8cGF0aCBjbGFzcz0nYm9uZC0wIGF0b20tMCBhdG9tLTEnIGQ9J00gNTEuMyw0Mi4wIEwgMjcuMyw0Mi4wJyBzdHlsZT0nZmlsbDpub25lO2ZpbGwtcnVsZTpldmVub2RkO3N0cm9rZTojRTg0MjM1O3N0cm9rZS13aWR0aDoxLjBweDtzdHJva2UtbGluZWNhcDpidXR0O3N0cm9rZS1saW5lam9pbjptaXRlcjtzdHJva2Utb3BhY2l0eToxJyAvPgo8cGF0aCBjbGFzcz0nYm9uZC0wIGF0b20tMCBhdG9tLTEnIGQ9J00gMjcuMyw0Mi4wIEwgMy40LDQyLjAnIHN0eWxlPSdmaWxsOm5vbmU7ZmlsbC1ydWxlOmV2ZW5vZGQ7c3Ryb2tlOiMzQjQxNDM7c3Ryb2tlLXdpZHRoOjEuMHB4O3N0cm9rZS1saW5lY2FwOmJ1dHQ7c3Ryb2tlLWxpbmVqb2luOm1pdGVyO3N0cm9rZS1vcGFjaXR5OjEnIC8+Cjx0ZXh0IHg9JzUyLjcnIHk9JzUzLjInIGNsYXNzPSdhdG9tLTAnIHN0eWxlPSdmb250LXNpemU6MjJweDtmb250LXN0eWxlOm5vcm1hbDtmb250LXdlaWdodDpub3JtYWw7ZmlsbC1vcGFjaXR5OjE7c3Ryb2tlOm5vbmU7Zm9udC1mYW1pbHk6c2Fucy1zZXJpZjt0ZXh0LWFuY2hvcjpzdGFydDtmaWxsOiNFODQyMzUnID5PPC90ZXh0Pgo8dGV4dCB4PSc2OC4yJyB5PSc1My4yJyBjbGFzcz0nYXRvbS0wJyBzdHlsZT0nZm9udC1zaXplOjIycHg7Zm9udC1zdHlsZTpub3JtYWw7Zm9udC13ZWlnaHQ6bm9ybWFsO2ZpbGwtb3BhY2l0eToxO3N0cm9rZTpub25lO2ZvbnQtZmFtaWx5OnNhbnMtc2VyaWY7dGV4dC1hbmNob3I6c3RhcnQ7ZmlsbDojRTg0MjM1JyA+SDwvdGV4dD4KPC9zdmc+Cg== OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 2
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- 230000002411 adverse Effects 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound 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Abstract
本发明提供一种高效节能酒精回收塔，包括精馏塔、液位调节器、再沸器、冷凝器、缓冲罐、回流泵，所述精馏塔通过液位调节器连通再沸器的入口，所述再沸器的出口通过管道连通精馏塔的底部，精馏塔的塔顶通过管道连通冷凝器的入口，冷凝器的出口连通缓冲罐，所述缓冲罐通过回流泵连通精馏塔，所述缓冲罐的顶部连通有放空管道，所述缓冲罐的底部还连通有采出管道，所述再沸器采用可拆卸式U型加热管，所述U型加热管设于再沸器的筒体底部；该种高效节能酒精回收塔，通过液位调节器调节塔内液体高度，控制高浓度酒精的浓度；节约能源，与普通精馏塔节能20%左右；设备投资相对普通酒精塔低约15%。
Description
技术领域
[0001 ]本发明涉及一种高效节能酒精回收塔。
背景技术
[0002]酒精回收塔适用于制药、食品、轻工、化工等行业的稀酒精回收。也适用于甲醇等其他溶煤产品的蒸馏。但是，现有的酒精回收塔存在着耗能较大，塔内酒精浓度不易控制或控制成本较高等问题。为保证生产效益的提高，应当控制设备的耗能及成本在较低水平。
发明内容
[0003]本发明的目的是提供一种高效节能酒精回收塔，耗能较小，成本较低，解决现有技术中存在的耗能较大，塔内酒精浓度不易控制或控制成本较高等问题。
[0004]本发明的技术解决方案是:
[0005] —种高效节能酒精回收塔，包括精馏塔、液位调节器、再沸器、冷凝器、缓冲罐、回流栗，所述精馏塔通过液位调节器连通再沸器的入口，所述再沸器的出口通过管道连通精馏塔的底部，精馏塔的塔顶通过管道连通冷凝器的入口，冷凝器的出口连通缓冲罐，所述缓冲罐通过回流栗连通精馏塔，所述缓冲罐的顶部连通有放空管道，所述缓冲罐的底部还连通有采出管道，所述再沸器采用可拆卸式U型加热管，所述U型加热管设于再沸器的筒体底部。
[0006]进一步地，所述精馏塔采用填料式精馏塔，所述精馏塔的中部设置再分布装置，再分布装置包括液体收集器和液体再分布器，所述缓冲罐包括筒体上部和锥形下部，所述冷凝器采用列管式冷凝器。
[0007]进一步地，所述冷凝器内设有垂直于所述列管的防撑板。
[0008]进一步地，所述冷凝器、缓冲罐由不锈钢立体框架上下依次固定。
[0009]本发明的有益效果是:该种高效节能酒精回收塔，通过液位调节器调节塔内液体高度，控制高浓度酒精的浓度。节约能源，与普通精馏塔节能20%左右。设备投资相对普通酒精塔低约15%。
附图说明
[0010]图1是本发明实施例的结构示意图；
[0011 ]其中:1-精馏塔，2-液位调节器，3-再沸器，4-冷凝器，5-缓冲罐，6-回流栗，7-U型加热管。
具体实施方式
[0012]下面结合附图详细说明本发明的优选实施例。
实施例
[0013] —种高效节能酒精回收塔，如图1所示，包括精馏塔1、液位调节器2、再沸器3、冷凝器4、缓冲罐5、回流栗6，精馏塔I通过液位调节器2连通再沸器3的入口，再沸器3的出口通过管道连通精馏塔I的底部，精馏塔I的塔顶通过管道连通冷凝器4的入口，冷凝器4的出口连通缓冲罐5，缓冲罐5通过回流栗6连通精馏塔I，缓冲罐5的顶部连通有放空管道，缓冲罐5的底部还连通有采出管道，再沸器3采用可拆卸式U型加热管7，U型加热管7设于再沸器3的筒体底部。在检修时可将U型加热管7拉出釜外，便于对加热管外壁及蒸馏釜壁进行清洗。
[0014]精馏塔I采用填料式精馏塔I，精馏塔I的塔体为直立式圆筒，底部装有填料支承板，填料以乱堆或整砌的方式放置在支承板上。填料的上方安装填料压板，以防被上升气流吹动。液体从塔顶经液体分布器喷淋到填料上，并沿填料表面流下。气体从塔底送入，经气体分布装置分布后，与液体呈逆流连续通过填料层的空隙，在填料表面上，气液两相密切接触进行传质。填料式精馏塔I属于连续接触式气液传质设备，两相组成沿塔高连续变化，在正常操作状态下，气相为连续相，液相为分散相。
[0015]当填料层较高时，精馏塔I需要进行分段，中间设置再分布装置。液体再分布装置包括液体收集器和液体再分布器两部分，上层填料流下的液体经液体收集器收集后，送到液体再分布器，经重新分布后喷淋到下层填料上。
[0016]缓冲罐5包括筒体上部和锥形下部，冷凝器4采用列管式冷凝器4。冷凝器4内设有垂直于列管的防撑板。防撑板的内侧端呈圆弧形。冷凝器4、缓冲罐5可由不锈钢立体框架上下依次固定。
[0017]稀酒精从进口进入精馏塔I塔体，塔体内通过液位体调节装置调节塔体内液位高度。当稀酒精在塔体内的液位高于调节器，则稀酒精流入再沸器3，稀酒精通过再沸器3加热变为酒精和水的混合蒸汽，蒸汽通过管道从塔体下部进入塔内，混合蒸汽通过与塔内液体交换后变为高浓度酒精蒸汽从塔顶进入冷凝器4，冷凝器4将高浓度酒精蒸汽冷凝为高浓度酒精液体，高浓度酒精进入缓冲罐5，一部分高浓度酒精通过栗回流至塔内，另一部分则为成品。
Claims (2)
1.一种高效节能酒精回收塔，其特征在于:包括精馏塔(I)、液位调节器(2)、再沸器(3)、冷凝器(4)、缓冲罐(5)、回流栗(6)，所述精馏塔(I)通过液位调节器(2)连通再沸器(3)的入口，所述再沸器(3)的出口通过管道连通精馏塔(I)的底部，精馏塔(I)的塔顶通过管道连通冷凝器(4)的入口，冷凝器(4)的出口连通缓冲罐(5)，所述缓冲罐(5)通过回流栗(6)连通精馏塔(1)，所述缓冲罐(5)的顶部连通有放空管道，所述缓冲罐(5)的底部还连通有采出管道，所述再沸器(3)采用可拆卸式U型加热管(7)，所述U型加热管(7)设于再沸器(3)的筒体底部;所述精馏塔(I)采用填料式精馏塔，所述精馏塔(I)的中部设置再分布装置，再分布装置包括液体收集器和液体再分布器，所述缓冲罐(5)包括筒体上部和锥形下部，所述冷凝器(4)采用列管式冷凝器;所述冷凝器(4)内设有垂直于所述列管的防撑板。
2.如权利要求1所述的高效节能酒精回收塔，其特征在于:所述冷凝器(4)、缓冲罐(5)由不锈钢立体框架上下依次固定。
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