CN209564995U - A spray reaction device for preparing dichloropropanol from glycerin - Google Patents
A spray reaction device for preparing dichloropropanol from glycerin Download PDFInfo
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- CN209564995U CN209564995U CN201920050835.6U CN201920050835U CN209564995U CN 209564995 U CN209564995 U CN 209564995U CN 201920050835 U CN201920050835 U CN 201920050835U CN 209564995 U CN209564995 U CN 209564995U
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- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 31
- XEPXTKKIWBPAEG-UHFFFAOYSA-N 1,1-dichloropropan-1-ol Chemical compound CCC(O)(Cl)Cl XEPXTKKIWBPAEG-UHFFFAOYSA-N 0.000 title claims description 17
- 239000007921 spray Substances 0.000 title abstract description 7
- 235000011187 glycerol Nutrition 0.000 title description 9
- 238000002347 injection Methods 0.000 claims abstract description 9
- 239000007924 injection Substances 0.000 claims abstract description 9
- DEWLEGDTCGBNGU-UHFFFAOYSA-N 1,3-dichloropropan-2-ol Chemical compound ClCC(O)CCl DEWLEGDTCGBNGU-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000003860 storage Methods 0.000 claims description 17
- 238000009826 distribution Methods 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 10
- 239000000047 product Substances 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 7
- 239000003054 catalyst Substances 0.000 claims description 4
- 239000013589 supplement Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract description 2
- -1 agitator tank Chemical compound 0.000 abstract 1
- 239000007791 liquid phase Substances 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- 150000001875 compounds Chemical class 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 101100314150 Caenorhabditis elegans tank-1 gene Proteins 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
技术领域technical field
本实用新型属于化工设备技术领域，具体涉及一种从甘油制备二氯丙醇的喷射反应装置。The utility model belongs to the technical field of chemical equipment, in particular to a spray reaction device for preparing dichloropropanol from glycerin.
背景技术Background technique
目前，从甘油制备二氯丙醇的生产设备大部分为通过泵将液相混合物不停的从反应釜底抽到反应釜顶部然后喷射至反应釜内壁上进行循环反应，换热器设置的反应釜的内壁上，但这种在反应釜内壁上进行反应的设备，反应进行的比较慢，需要进行多次的循环，从而使得生产率降低，且能源的消耗也被增大。At present, most of the production equipment for preparing dichloropropanol from glycerin uses a pump to continuously pump the liquid phase mixture from the bottom of the reactor to the top of the reactor, and then sprays it onto the inner wall of the reactor for cyclic reaction. The reaction set by the heat exchanger On the inner wall of the reactor, but this kind of equipment that reacts on the inner wall of the reactor, the reaction is relatively slow, and multiple cycles are required, thereby reducing productivity and increasing energy consumption.
实用新型内容Utility model content
本实用新型针对上述问题提供了一种从甘油制备二氯丙醇的喷射反应装置。The utility model provides a spray reaction device for preparing dichloropropanol from glycerin aiming at the above problems.
为达到上述目的本实用新型采用了以下技术方案：In order to achieve the above object, the utility model adopts the following technical solutions:
一种从甘油制备二氯丙醇的喷射反应装置，包括搅拌罐、反应釜、产品贮存罐、换热器、喷射器、气体室、直角喷头、多孔分布板、板式换热器、冷凝器、二氯丙醇贮罐、一号增压泵和三通阀，所述搅拌罐的顶部两端分别设有甘油进料口和催化剂加料口，搅拌罐底部的出料口通过设有阀门的连接管路与反应釜的进料口连接，反应釜底部的出料口通过设有一号增压泵的连接管路与三通阀的第一端口连接，三通阀的第二端口通过连接管路与产品贮存罐的进料口连接，三通阀的第三端口通过连接管路与换热器的入口连接，换热器的出口通过连接管路与喷射器的入口连接，喷射器的喷射端设置在气体室的内腔中，且位于气体室与直角喷头的连接处，直角喷头的出液端设在反应釜的内腔上部，多孔分布板设在反应釜的内壁上，且位于直角喷头的下方，以使液体均匀下落，板式换热器设在反应釜的内壁上且位于多孔分布板的下方，反应釜顶部的气体出口通过设有阀门的连接管路与冷凝器的入口连接，冷凝器底部的二氯丙醇出口通过连接管路与二氯丙醇贮罐的入口连接，冷凝器顶部的气体出口通过连接管路与气体室的进气口连接，，在冷凝器顶部气体出口与气体室进气口的连接管路上还设有HCI气体进口,以补充HCI的消耗。A spray reaction device for preparing dichloropropanol from glycerin, comprising a stirring tank, a reaction kettle, a product storage tank, a heat exchanger, an injector, a gas chamber, a right-angle spray nozzle, a porous distribution plate, a plate heat exchanger, a condenser, Dichloropropanol storage tank, No. 1 booster pump and three-way valve, the two ends of the top of the mixing tank are respectively provided with a glycerin feeding port and a catalyst feeding port, and the outlet at the bottom of the mixing tank is connected by a valve. The pipeline is connected to the feed port of the reactor, and the discharge port at the bottom of the reactor is connected to the first port of the three-way valve through the connecting pipeline provided with the No. 1 booster pump, and the second port of the three-way valve is connected through the connecting pipeline It is connected to the feed port of the product storage tank, the third port of the three-way valve is connected to the inlet of the heat exchanger through the connecting pipeline, the outlet of the heat exchanger is connected to the inlet of the injector through the connecting pipeline, and the injection end of the injector It is installed in the inner cavity of the gas chamber and is located at the connection between the gas chamber and the right-angle nozzle. The liquid outlet of the right-angle nozzle is set on the upper part of the inner cavity of the reaction kettle. Below the bottom of the reactor to make the liquid fall evenly, the plate heat exchanger is set on the inner wall of the reactor and located below the porous distribution plate, the gas outlet at the top of the reactor is connected to the inlet of the condenser through a connecting pipeline with a valve, and condensed The dichloropropanol outlet at the bottom of the condenser is connected with the inlet of the dichlorohydrin storage tank through a connecting pipeline, the gas outlet at the top of the condenser is connected with the air inlet of the gas chamber through a connecting pipeline, and the gas outlet at the top of the condenser is connected with the inlet of the gas chamber There is also an HCI gas inlet on the connecting pipeline of the air inlet of the gas chamber to supplement the consumption of HCI.
进一步，在所述换热器的出口与喷射器的入口的连接管路上设置有二号增压泵，以保证喷射器喷射出的液体流速可以使气体室内部产生足够的负压，从而使HCL气体能够进入气体室内，且与液体混合。Further, a No. 2 booster pump is installed on the connecting pipeline between the outlet of the heat exchanger and the inlet of the injector to ensure that the liquid flow rate injected by the injector can generate sufficient negative pressure inside the gas chamber, so that the HCL Gas can enter the gas chamber and mix with the liquid.
再进一步，所述板式换热器在反应釜的内壁上的分布为多层板式换热器左右交叉上下均匀设置。Still further, the distribution of the plate heat exchangers on the inner wall of the reaction kettle is that the multi-layer plate heat exchangers are evenly arranged crossing from left to right and up and down.
与现有技术相比本实用新型具有以下优点：Compared with the prior art, the utility model has the following advantages:
1、本实用新型利用多层板式换热器左右交叉上下均匀设置代替了在反应釜内壁上设置换热器，增大了反应面积，提高了生产效率，从而降低了能耗；1. In this utility model, the multi-layer plate heat exchanger is arranged evenly across the left and right to replace the heat exchanger on the inner wall of the reaction kettle, which increases the reaction area, improves the production efficiency, and reduces the energy consumption;
2、本实用新型利用液相混合物的高速喷射使得气体室内形成负压，可以通过气压差吸入HCL气体，进一步节约了能耗；2. The utility model uses the high-speed injection of the liquid phase mixture to form a negative pressure in the gas chamber, and can inhale HCL gas through the air pressure difference, further saving energy consumption;
3、本实用新型在从反应釜底抽到反应釜上部的过程中增加了换热器，实现了先一步加热，从而增大了生产效率；3. The utility model adds a heat exchanger in the process of pumping from the bottom of the reactor to the upper part of the reactor, which realizes the heating in the first step, thereby increasing the production efficiency;
4、本实用新型设置了两个增压泵，增大了喷射器喷射出的流速，使得液相化合物可以更好的与HCL相混合，也可以增大气体室内的气压差，吸入更多的HCL气体。4. The utility model is equipped with two booster pumps, which increases the flow rate ejected from the injector, so that the liquid phase compound can be better mixed with HCL, and the air pressure difference in the gas chamber can also be increased to inhale more HCL gas.
附图说明Description of drawings
图1为本实用新型的结构示意图；Fig. 1 is the structural representation of the utility model;
其中搅拌罐—1、反应釜—2、产品贮存罐—3、换热器—4、喷射器—5、气体室—6、直角喷头—7、多孔分布板—8、板式换热器—9、冷凝器—10、二氯丙醇贮罐—11、一号增压泵—12、三通阀—13、二号增压泵—14。Among them, stirring tank-1, reaction kettle-2, product storage tank-3, heat exchanger-4, ejector-5, gas chamber-6, right-angle nozzle-7, porous distribution plate-8, plate heat exchanger-9 , Condenser - 10, dichloropropanol storage tank - 11, No. 1 booster pump - 12, three-way valve - 13, No. 2 booster pump - 14.
具体实施方式Detailed ways
为了进一步阐述本实用新型的技术方案，下面结合附图及实施例对本实用新型进行进一步说明。In order to further illustrate the technical solution of the utility model, the utility model will be further described below in conjunction with the accompanying drawings and embodiments.
如图1所示，一种从甘油制备二氯丙醇的喷射反应装置，包括搅拌罐1、反应釜2、产品贮存罐3、换热器4、喷射器5、气体室6、直角喷头7、多孔分布板8、板式换热器9、冷凝器10、二氯丙醇贮罐11、一号增压泵12和三通阀13，所述搅拌罐1的顶部两端分别设有甘油进料口和催化剂加料口，搅拌罐1底部的出料口通过设有阀门的连接管路与反应釜2的进料口连接，反应釜2底部的出料口通过设有一号增压泵12的连接管路与三通阀13的第一端口连接，三通阀13的第二端口通过连接管路与产品贮存罐3的进料口连接，三通阀13的第三端口通过连接管路与换热器4的入口连接，换热器4的出口通过设置有二号增压泵14的连接管路与喷射器5的入口连接，喷射器5的喷射端设置在气体室6的内腔中，且位于气体室6与直角喷头7的连接处，直角喷头7的出液端设在反应釜2的内腔上部，多孔分布板8设在反应釜2的内壁上，且位于直角喷头7的下方，以使液体均匀下落，多层板式换热器9左右交叉上下均匀的设置在反应釜2的内壁上且位于多孔分布板8的下方，反应釜2顶部的气体出口通过设有阀门的连接管路与冷凝器10的入口连接，冷凝器10底部的二氯丙醇出口通过连接管路与二氯丙醇贮罐11的入口连接，冷凝器10顶部的气体出口通过连接管路与气体室6的进气口连接，，在冷凝器10顶部气体出口与气体室6进气口的连接管路上还设有HCI气体进口,以补充HCI的消耗。As shown in Figure 1, a kind of injection reaction device that prepares dichloropropanol from glycerin comprises stirring tank 1, reaction kettle 2, product storage tank 3, heat exchanger 4, sparger 5, gas chamber 6, right-angle nozzle 7 , porous distribution plate 8, plate heat exchanger 9, condenser 10, dichloropropanol storage tank 11, No. 1 booster pump 12 and three-way valve 13, and the top two ends of described mixing tank 1 are respectively provided with glycerol inlet Feed port and catalyst feed port, the discharge port at the bottom of the stirring tank 1 is connected with the feed port of the reactor 2 through a connecting pipeline provided with a valve, and the discharge port at the bottom of the reactor 2 is provided with a No. 1 booster pump 12 The connecting pipeline is connected with the first port of the three-way valve 13, the second port of the three-way valve 13 is connected with the feed port of the product storage tank 3 through the connecting pipeline, and the third port of the three-way valve 13 is connected with the product storage tank 3 through the connecting pipeline. The inlet of the heat exchanger 4 is connected, and the outlet of the heat exchanger 4 is connected to the inlet of the injector 5 through the connecting pipeline provided with the No. 2 booster pump 14, and the injection end of the injector 5 is arranged in the inner cavity of the gas chamber 6 , and is located at the junction of the gas chamber 6 and the right-angle nozzle 7, the liquid outlet of the right-angle nozzle 7 is set on the upper part of the inner cavity of the reaction kettle 2, and the porous distribution plate 8 is arranged on the inner wall of the reaction kettle 2, and is located on the right-angle nozzle 7. Below, to make the liquid fall evenly, the multi-layer plate heat exchanger 9 is evenly arranged on the inner wall of the reactor 2 and is located below the porous distribution plate 8. The gas outlet at the top of the reactor 2 is connected by a valve. The pipeline is connected with the inlet of the condenser 10, the dichloropropanol outlet at the bottom of the condenser 10 is connected with the inlet of the dichloropropanol storage tank 11 through the connecting pipeline, and the gas outlet at the top of the condenser 10 is connected with the gas chamber through the connecting pipeline The air inlet of 6 is connected, and an HCI gas inlet is also provided on the connection pipeline between the gas outlet at the top of the condenser 10 and the air inlet of the gas chamber 6, to supplement the consumption of HCI.
甘油和催化剂进入搅拌罐1搅拌均匀后的液相混合物，进入反应釜2经一号增压泵12的增压后从三通阀13的第三端口进入换热器4中加热，然后经过二号增压泵14的增压后，通过喷射器5高速喷出，通过液相混合物高速的喷出，使气体室6内形成负压，从而带动HCL气体进入气体室6，且在一定程度上与液相混合物混合，液相混合物经直角喷头7喷射到多孔分布板8上后，均匀的下落到多层板式换热器9上，进行加热并反应，然后再落到反应釜2底部，经一号增压泵12的增压后开始循环直到反应彻底，所产生的化合物合格后从三通阀13的第二端口进入产品贮存罐3，而反应釜2中的气体则从反应釜2顶部的气体出口进入冷凝器10冷却，冷却后的二氯丙醇和水从冷凝器10底部的二氯丙醇出口进入二氯丙醇贮罐11中，而HCL气体则从冷凝器10顶部的气体出口的出来与补充进来的HCL气体汇合从气体室6顶部的进气口进去气体室6内参与反应。Glycerin and the catalyst enter the stirred tank 1 to stir the liquid phase mixture evenly, enter the reactor 2, and after being pressurized by the No. 1 booster pump 12, enter the heat exchanger 4 from the third port of the three-way valve 13 to be heated, and then pass After the pressurization of No. booster pump 14, it is ejected at a high speed through the injector 5, and the liquid phase mixture is ejected at a high speed to form a negative pressure in the gas chamber 6, thereby driving the HCL gas to enter the gas chamber 6, and to a certain extent Mixed with the liquid phase mixture, the liquid phase mixture is sprayed onto the porous distribution plate 8 through the right-angle nozzle 7, and then evenly falls on the multi-layer plate heat exchanger 9, heats and reacts, and then falls to the bottom of the reaction kettle 2, after After the pressurization of No. 1 booster pump 12, it begins to circulate until the reaction is complete, and the produced compound enters the product storage tank 3 from the second port of the three-way valve 13 after being qualified, and the gas in the reactor 2 is discharged from the top of the reactor 2. The gas outlet of the gas enters the condenser 10 for cooling, and the dichloropropanol after cooling and water enter the dichlorohydrin storage tank 11 from the dichlorohydrin outlet at the bottom of the condenser 10, and the HCL gas then enters the gas outlet at the top of the condenser 10 The HCL gas that comes out of the gas merges with the added HCL gas and enters the gas chamber 6 from the gas inlet at the top of the gas chamber 6 to participate in the reaction.
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| CN201920050835.6U CN209564995U (en) | 2019-01-11 | 2019-01-11 | A spray reaction device for preparing dichloropropanol from glycerin |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111229149A (en) * | 2020-03-16 | 2020-06-05 | 山东凯泰科技股份有限公司 | A kind of mixing reaction process without mechanical stirring |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111229149A (en) * | 2020-03-16 | 2020-06-05 | 山东凯泰科技股份有限公司 | A kind of mixing reaction process without mechanical stirring |
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