CN214288099U - Difluorodichloroethane deep processing reaction system - Google Patents
Difluorodichloroethane deep processing reaction system Download PDFInfo
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- CN214288099U CN214288099U CN202023229780.7U CN202023229780U CN214288099U CN 214288099 U CN214288099 U CN 214288099U CN 202023229780 U CN202023229780 U CN 202023229780U CN 214288099 U CN214288099 U CN 214288099U
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Abstract
The utility model belongs to the technical field of difluorodichloroethane deep-processing technique and specifically relates to a difluorodichloroethane deep-processing reaction system, comprising a base plate, the top of bottom plate is equipped with the roof, install electronic jar through the screw between the both ends of roof and bottom plate, double-deck reation kettle is installed respectively through the screw in the top of bottom plate, double-deck reation kettle's surface is connected with feed mechanism, separating mechanism and heating mechanism respectively, there is the catalyst holding vessel at double-deck reation kettle's top through the pipeline mounting, there is reation kettle discharge pump bottom through the pipeline mounting, reation kettle discharge pump passes through the top of screw mounting at the bottom plate, reation kettle discharge pump has the receiving tank through the pipeline mounting. The utility model discloses a set up reinforced mechanism for conveniently throw the feed to double-deck reation kettle with raw materials and difluorodichloroethane in, be used for having realized throwing the material in succession, improve production efficiency.
Description
Technical Field
The utility model relates to a difluorodichloroethane deep-processing technology field especially relates to a difluorodichloroethane deep-processing reaction system.
Background
In the process disclosed in CN 101781164A, 1-difluoroethane (R152 a) reacts with chlorine gas to produce 1-chloro-1, 1-difluoroethane (R142 b), high boilers of about 4-7wt% are produced { which mainly contain entrained 3-5wt% of 1-chloro-1, 1-difluoroethane (R142 b), 30-40wt% of difluorodichloroethane, 10-20wt% of difluorotrichloroethane and other isomers or structurally similar heavy component impurities.
At present, most manufacturers of 1-chloro-1, 1-difluoroethane (R142 b) at home and abroad adopt a stockpiling or burning method to dispose the high-boiling-point substances, thereby causing serious environmental pollution and resource waste.
CN 107056581 a discloses a method for separating high boiling residues in a process for producing 1-chloro-1, 1-difluoroethane, which separates 1-chloro-1, 1-difluoroethane (R142 b), difluorodichloroethane, and difluorotrichloroethane from the high boiling residues.
Since difluorodichloroethane accounts for a large amount of high boiling substances, difluorodichloroethane is a good intermediate in the fluorination reaction. Therefore, the deep processing research of the difluorodichloroethane has important significance.
Disclosure of Invention
The utility model aims at solving the defects existing in the prior art and providing a difluorodichloroethane deep processing reaction system.
In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a difluorodichloroethane deep-processing reaction system, includes the bottom plate, the top of bottom plate is equipped with the roof, install electronic jar through the screw between the both ends of roof and bottom plate, double-deck reation kettle is installed respectively through the screw in the top of bottom plate, double-deck reation kettle's surface is connected with feed mechanism, separating mechanism and heating mechanism respectively, the catalyst holding vessel is installed through the pipeline in double-deck reation kettle's top, the reation kettle discharge pump is installed through the pipeline in double-deck reation kettle's bottom, the reation kettle discharge pump passes through the top of mounting screw at the bottom plate, the reation kettle discharge pump passes through the pipeline and installs the receiving tank.
Preferably, feed mechanism includes raw materials storage tank, difluorodichloroethane holding vessel, raw materials charge pump and difluorodichloroethane charge pump, raw materials storage tank, difluorodichloroethane holding vessel, raw materials charge pump and difluorodichloroethane charge pump all install the top at the bottom plate through the screw, the raw materials storage tank passes through the pipeline and is connected with the raw materials charge pump, difluorodichloroethane charge pump and raw materials charge pump all are connected through the top of wire with double-deck reation kettle.
Preferably, separating mechanism includes the backward flow ware, the one end of backward flow ware is passed through the pipeline and is connected with double-deck reation kettle's top, the other end of backward flow ware has gaseous phase product condenser through the pipe connection, there is the product condenser on gaseous phase product condenser's surface through the pipeline installation, the product condenser has the product collecting tank through the pipe connection, the top at the roof is all installed through the screw to backward flow ware, gaseous phase product condenser, product condenser and product collecting tank.
Preferably, the surface of the gas phase product condenser is connected with an unreacted raw material collecting tank through a pipeline, the unreacted raw material collecting tank is mounted on the top of the top plate through a screw, and the unreacted raw material collecting tank is connected with a difluorodichloroethane feed pump through a pipeline.
Preferably, the heating machine comprises a heat-conducting oil expansion tank, a heat-conducting oil circulating pump and a heat-conducting oil heater, the heat-conducting oil expansion tank, the heat-conducting oil circulating pump and the heat-conducting oil heater are all mounted at the top of the top plate through screws, a pipeline and the heat-conducting oil circulating pump are arranged at the top of the heat-conducting oil expansion tank, the heat-conducting oil heater is mounted on the heat-conducting oil circulating pump through a pipeline, and the heat-conducting oil heater is connected with a lining of the double-layer reaction kettle through a pipeline.
Preferably, the wheels are installed at four corners of the bottom plate through screws, screwed pipes are welded on two symmetrical side faces of the bottom plate, screw rods are installed on the internal threads of the screwed pipes, and fixing plates are installed at one ends of the screw rods through screws.
Compared with the prior art, the utility model discloses following beneficial effect has:
the feeding mechanism is arranged for feeding the raw materials and the difluorodichloroethane into the double-layer reaction kettle conveniently, so that the continuous feeding is realized, and the production efficiency is improved;
the utility model is provided with the unreacted raw material collecting tank for collecting the unreacted raw material and conveying the unreacted raw material into the double-layer reaction kettle through the difluorodichloroethane feed pump, thereby realizing the recycling of the raw material and reducing the production cost;
the utility model adopts the heating mechanism which is convenient for heating the heat-conducting oil and is used for controlling the temperature in the double-layer reaction kettle more stably, thus improving the working efficiency of the double-layer reaction kettle in processing difluorodichloroethane;
the utility model discloses a set up separating mechanism, collect at unreacted raw materials collection tank after the condensation, the result condenser is used for the cooling of result, and the result after the condensation gets into the result collection tank, and unreacted raw materials collection tank passes through the pipeline and is connected with difluorodichloroethane charge pump, has realized the cyclic utilization of raw materials, has promoted the reaction conversion rate for the result readily releasable.
Drawings
FIG. 1 is a first isometric view of a difluorodichloroethane deep processing reaction system of the present invention;
figure 2 is the second shaft mapping of the difluorodichloroethane deep processing reaction system of the utility model.
In the figure: the device comprises a heat-conducting oil expansion tank 1, a gas-phase product condenser 2, a heat-conducting oil circulating pump 3, an unreacted raw material collecting tank 4, a heat-conducting oil heater 5, a product condenser 6, a product collecting tank 7, an electric cylinder 8, a catalyst storage tank 9, a bottom plate 10, a receiving tank 11, wheels 12, a reaction kettle discharge pump 13, a fixing plate 14, a solenoid 15, a raw material feed pump 16, a raw material storage tank 17, a double-layer reaction kettle 18, a difluorodichloroethane feed pump 19, a difluorodichloroethane storage tank 20, a top plate 21, a reflux device 22 and a screw 23.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.
The difluorodichloroethane deep processing reaction system comprises a bottom plate 10, a top plate 21 is arranged above the bottom plate 10, electric cylinders 8 are mounted between two ends of the top plate 21 and the bottom plate 10 through screws, wheels 12 are mounted at four corners of the bottom plate 10 through screws, screw pipes 15 are welded on two symmetrical sides of the bottom plate 10, screw rods 23 are mounted on internal threads of the screw pipes 15, and fixing plates 14 are mounted at one ends of the screw rods 23 through screws. The arrangement of the bottom plate 10 and the top plate 21 is used for partially layering the components, so that the placement space is saved, and the device is convenient to move on a horizontal ground through the wheels 12; in order to improve the stability of the device on a horizontal ground, the screw 23 is rotated in the screw tube 15 by rotating the screw 23, so that the screw 23 pushes the fixing plate 14 to move downwards to the ground, thereby improving the stability of the device. The electric cylinder 8 is used for adjusting the distance between the top plate 21 and the bottom plate 10, and parts on the top plate 21 are convenient to maintain and replace.
Double-deck reation kettle 18 is installed respectively through the screw in the top of bottom plate 10, double-deck reation kettle 18's surface is connected with feed mechanism respectively, separating mechanism and heating mechanism, feed mechanism includes raw materials storage tank 17, difluorodichloroethane holding vessel 20, raw materials charge pump 16 and difluorodichloroethane charge pump 19, raw materials storage tank 17, difluorodichloroethane holding vessel 20, raw materials charge pump 16 and difluorodichloroethane charge pump 19 all install the top at bottom plate 10 through the screw, raw materials storage tank 17 passes through the pipeline and is connected with raw materials charge pump 16, difluorodichloroethane charge pump 19 and raw materials charge pump 16 all are connected with double-deck reation kettle 18's top through the wire. The difluorodichloroethane stored in the difluorodichloroethane storage tank 20 and the raw material stored in the raw material feed pump 16 are respectively conveyed to the interior of the double-layer reaction kettle 18 by the difluorodichloroethane feed pump 19 and the raw material feed pump 16, and the raw material conveying of the difluorodichloroethane feed pump 19 and the raw material feed pump 16 is continuous, so that the raw material conveying efficiency is improved.
Separating mechanism includes backward flow ware 22, and the one end of backward flow ware 22 is passed through the pipeline and is connected with double-deck reation kettle 18's top, and the other end of backward flow ware 22 has gaseous phase product condenser 2 through the pipe connection, and gaseous phase product condenser 2's surface has product condenser 6 through the pipeline installation, and product condenser 6 has product collecting tank 7 through the pipe connection, and backward flow ware 22, gaseous phase product condenser 2, product condenser 6 and product collecting tank 7 all install the top at roof 21 through the screw. The surface of the gas phase product condenser 2 is connected with an unreacted raw material collecting tank 4 through a pipeline, the unreacted raw material collecting tank 4 is mounted on the top of the top plate 21 through a screw, and the unreacted raw material collecting tank 4 is connected with a difluorodichloroethane feed pump 19 through a pipeline. The reflux device 22 is used for reaction reflux, the gas phase condenser 2 is used for cooling raw materials carried in products, the raw materials are collected in the unreacted raw material collecting tank 4 after being condensed, the product condenser 6 is used for cooling the products, and the condensed products enter the product collecting tank 7. The unreacted raw material collecting tank 4 is connected with a difluorodichloroethane feed pump 20 through a pipeline, so that the cyclic utilization of the raw materials is realized.
The heating machine comprises a heat conduction oil expansion tank 1, a heat conduction oil circulating pump 3 and a heat conduction oil heater 5, wherein the heat conduction oil expansion tank 1, the heat conduction oil circulating pump 3 and the heat conduction oil heater 5 are all installed at the top of the top plate 21 through screws, a pipeline and the heat conduction oil circulating pump 3 are arranged at the top of the heat conduction oil expansion tank 1, the heat conduction oil heater 5 is installed on the heat conduction oil circulating pump 3 through a pipeline, and the heat conduction oil heater 5 is connected with a bushing of the double-layer reaction kettle 18 through a pipeline. The upper part of the heat-conducting oil expansion tank 1 is provided with a heat-conducting oil feeding port and a heat-conducting oil return port, the lower part of the heat-conducting oil expansion tank 1 is provided with a heat-conducting oil outlet, the heat-conducting oil outlet is connected with a heat-conducting oil electric heater 5 through a pipeline, and a heat-conducting oil circulating pump 3 is arranged on the pipeline. The heat-conducting oil heater is connected with a heat-exchanging medium inlet at the bottom of the jacket of the reaction kettle through a pipeline, and a heat-exchanging medium outlet at the top of the jacket is connected with a heat-conducting oil return port at the upper part of the heat-conducting oil expansion tank 1 through a pipeline. The heat-conducting oil circulating pump 3 provides power to realize circulation of heat-conducting oil, heat exchange is provided for the reaction kettle, and temperature control is more accurate.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a difluorodichloroethane deep-processing reaction system, includes bottom plate (10), its characterized in that, the top of bottom plate (10) is equipped with roof (21), install electronic jar (8) through the screw between the both ends of roof (21) and bottom plate (10), double-deck reation kettle (18) are installed respectively through the screw in the top of bottom plate (10), the surface of double-deck reation kettle (18) is connected with feed mechanism, separating mechanism and heating mechanism respectively, catalyst holding vessel (9) are installed through the pipeline in the top of double-deck reation kettle (18), the bottom of double-deck reation kettle (18) is through pipeline installation reation kettle discharge pump (13), reation kettle discharge pump (13) are through the top of mounting screw at bottom plate (10), reation kettle discharge pump (13) are installed through the pipeline and are received jar (11).
2. A difluorodichloroethane deep processing reaction system as recited in claim 1, wherein the feeding mechanism comprises a raw material storage tank (17), a difluorodichloroethane storage tank (20), a raw material feeding pump (16) and a difluorodichloroethane feeding pump (19), the raw material storage tank (17), the difluorodichloroethane storage tank (20), the raw material feeding pump (16) and the difluorodichloroethane feeding pump (19) are all installed on the top of the bottom plate (10) through screws, the raw material storage tank (17) is connected with the raw material feeding pump (16) through a pipeline, and the difluorodichloroethane feeding pump (19) and the raw material feeding pump (16) are both connected with the top of the double-layer reaction kettle (18) through wires.
3. A difluorodichloroethane deep processing reaction system according to claim 1, characterized in that the separation mechanism comprises a reflux device (22), one end of the reflux device (22) is connected with the top of the double-layer reaction kettle (18) through a pipeline, the other end of the reflux device (22) is connected with a gas-phase product condenser (2) through a pipeline, a product condenser (6) is installed on the surface of the gas-phase product condenser (2) through a pipeline, the product condenser (6) is connected with a product collecting tank (7) through a pipeline, and the reflux device (22), the gas-phase product condenser (2), the product condenser (6) and the product collecting tank (7) are all installed on the top of the top plate (21) through screws.
4. A difluorodichloroethane deep processing reaction system as set forth in claim 3, wherein the surface of said vapor-phase product condenser (2) is connected with an unreacted raw material collecting tank (4) through a pipeline, said unreacted raw material collecting tank (4) is mounted on the top of the top plate (21) by a screw, and said unreacted raw material collecting tank (4) is connected with a difluorodichloroethane feed pump (19) through a pipeline.
5. The difluorodichloroethane deep processing reaction system as set forth in claim 1, wherein the heater comprises a heat-conducting oil expansion tank (1), a heat-conducting oil circulating pump (3) and a heat-conducting oil heater (5), the heat-conducting oil expansion tank (1), the heat-conducting oil circulating pump (3) and the heat-conducting oil heater (5) are all mounted on the top of the top plate (21) through screws, the top of the heat-conducting oil expansion tank (1) is connected with the heat-conducting oil circulating pump (3) through a pipeline, the heat-conducting oil heater (5) is mounted on the heat-conducting oil circulating pump (3) through a pipeline, and the heat-conducting oil heater (5) is connected with a lining of the double-layer reaction kettle (18) through a pipeline.
6. A difluorodichloroethane deep processing reaction system as set forth in claim 1, wherein wheels (12) are mounted at four corners of the bottom plate (10) by screws, spiral tubes (15) are welded at two symmetrical sides of the bottom plate (10), a screw rod (23) is mounted on the inner thread of each spiral tube (15), and a fixing plate (14) is mounted at one end of each screw rod (23) by screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023229780.7U CN214288099U (en) | 2020-12-29 | 2020-12-29 | Difluorodichloroethane deep processing reaction system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023229780.7U CN214288099U (en) | 2020-12-29 | 2020-12-29 | Difluorodichloroethane deep processing reaction system |
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| CN214288099U true CN214288099U (en) | 2021-09-28 |
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| CN202023229780.7U Active CN214288099U (en) | 2020-12-29 | 2020-12-29 | Difluorodichloroethane deep processing reaction system |
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