CN210357189U - Complete set of continuous reaction equipment - Google Patents
Complete set of continuous reaction equipment Download PDFInfo
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- CN210357189U CN210357189U CN201920879924.1U CN201920879924U CN210357189U CN 210357189 U CN210357189 U CN 210357189U CN 201920879924 U CN201920879924 U CN 201920879924U CN 210357189 U CN210357189 U CN 210357189U
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Abstract
The utility model discloses a complete set of continuous reaction equipment, which comprises a proportioning tank, tubular reaction equipment, an oil guide groove, a separator, a finished product tank, a heat exchanger and a recovery tank; the tubular reaction equipment is formed by connecting a plurality of tubular reactors in series, the batching tank is connected with the feed inlet of the tubular reaction equipment, and the discharge outlet of the tubular reaction equipment is connected with the separator; the outlet of the hot oil groove is connected with the heat supply medium inlet of the reaction equipment, and the heat supply medium outlet of the reaction equipment is connected with the inlet of the hot oil groove; the discharge port at the lower part of the separator is connected with the inlet of the finished product tank to input the finished product into the finished product tank, the light component outlet at the top of the separator is connected with the inlet of the heat exchanger, and the outlet of the heat exchanger is connected with the recovery tank. The utility model discloses complete set continuous type reaction equipment adopts serial-type tubular reactor, has not only saved the space, and the segmentation of also being convenient for simultaneously detects, is applicable to the continuity experiment or the production of body polymerization, and equipment operation is simple, safety, low in production cost, and the product purity who makes is high, and the quality is good, stable performance.
Description
Technical Field
The invention relates to a complete set of continuous reaction equipment, in particular to complete set of continuous reaction equipment for a laboratory.
Background
Most of the existing experimental polymerization instruments are intermittent glass instruments, monomers and initiators are dripped, and the dripping is too fast in the experimental process, so that the exploding polymerization is easily generated, dangerous accidents are caused by overhigh temperature and pressure in a glass container, and the experimental polymerization instrument is only suitable for emulsion polymerization. And the emulsion polymerization product has the advantages of common purity, poor film forming capability at normal temperature or low temperature, easy back adhesion at high temperature and poor water resistance, and is mostly used in low-end industries. The product prepared by bulk polymerization has high purity and good quality, but has high requirements on reaction equipment, high temperature resistance and high pressure resistance, can be subjected to continuous experiments or production, and cannot be carried out by adopting a common glass instrument; some units adopt a small pressure tank to carry out bulk polymerization, but only intermittent experiments can be carried out, and meanwhile, the viscosity of the polymer is high, the polymer is difficult to mix uniformly, the polymerization effect cannot be guaranteed, the polymer is not suitable for experiments and production in an enlarged mode due to the safety problem, and the product quality is difficult to guarantee.
Disclosure of Invention
The invention aims to provide a complete set of continuous reaction equipment, which is suitable for continuous experiments or production of bulk polymerization, has simple and safe operation and low production cost, and the prepared product has high purity, good quality and stable performance.
The purpose of the invention is realized by the following technical scheme:
a complete set of continuous reaction equipment comprises a batching tank 1, tubular reaction equipment, an oil guide tank 3, a separator 4, a finished product tank 5, a heat exchanger 6 and a recovery tank 7; the tubular reaction equipment is formed by connecting a plurality of tubular reactors 2 in series, the batching trough 1 is connected with a feed inlet of the tubular reaction equipment, and a discharge outlet of the tubular reaction equipment is connected with a separator 4; the outlet of the oil guide groove 3 is connected with the heat supply medium inlet of the tubular reaction equipment through a heat conduction oil feeding pipe 12, and the heat supply medium outlet of the tubular reaction equipment is connected with the inlet of the oil guide groove through a heat conduction oil discharging pipe 13; the discharge port at the lower part of the separator 4 is connected with the inlet of the finished product tank 5 to input the finished product into the finished product tank, the light component outlet at the top of the separator 4 is connected with the inlet of the heat exchanger 6, and the outlet of the heat exchanger 6 is connected with the recovery tank 7 to ensure that the cooled light component enters the recovery tank 7 to be recycled.
Preferably, the batching tank 1 is provided with a stirring shaft.
Preferably, a feeding pump 8 is arranged on a connecting pipeline of the dosing tank 1 and the tubular reaction equipment.
The tubular reactor 2 is a horizontal tubular reactor. Considering the material corrosivity and the high temperature and high pressure resistant requirements of the tubular reaction equipment, the inner tube of the tubular reactor 2 is made of stainless steel, and the outer jacket tube is made of carbon steel; a pressure sensor and a temperature sensor are arranged on the tubular reactor 2; the feed end pipeline and the discharge end pipeline of the tubular reaction equipment are respectively provided with a safety pressure relief device such as a safety valve.
In order to save space, the tubular reaction equipment is formed by connecting a plurality of horizontal tubular reactors 2 which are arranged in the vertical direction in series, the feeding end is positioned at the bottom layer tubular reactor, and the discharging end is positioned at the top layer tubular reactor. The number of tubular reactors is determined by those skilled in the art according to the reaction time and thermal expansion factors of the product subjected to bulk polymerization. Meanwhile, a plurality of tubular reactors are adopted, so that sectional detection is facilitated.
Preferably, two adjacent tubular reactors 2 are connected by a 180 degree elbow. The tubular reactor and the 180-degree elbow pipe can be connected by a flange.
Preferably, an electric heater is arranged in the oil guide groove 3 and heats the heat conduction oil in the oil guide groove.
Preferably, a circulating oil pump 9 is arranged on a heat conduction oil feeding pipe at an oil outlet of the oil guide groove 3, so that circulation of heat conduction oil in the oil guide groove and the tubular reactor is realized. Specifically, the outlet of the oil guide groove 3 is connected with the heat conduction oil inlet at the lower part of the head-end tubular reactor in series connection through a heat conduction oil feeding pipe, and the heat conduction oil outlet at the upper part of the tail-end tubular reactor is connected with the inlet of the oil guide groove through a heat conduction oil discharging pipe.
Preferably, a first valve is arranged at the heat conduction oil feeding end of the tubular reaction equipment, and a second valve is arranged at the heat conduction oil discharging end.
Preferably, the separator 4 is a hydrocyclone. The separator 4 overcoat be equipped with first jacket layer, the lower part on first jacket layer is equipped with the heat supply medium entry, and the upper portion is equipped with the heat supply medium entry, the heat supply medium entry is connected with the conduction oil inlet pipe through first conduction oil feeding branch pipe 14, the heat supply medium entry is connected with the conduction oil discharging pipe through first conduction oil discharging branch pipe 15, keeps warm to the material in the separator 4 through the conduction oil. And a third valve is arranged at the heat supply medium inlet end of the separator, and a fourth valve is arranged at the heat supply medium outlet end.
Preferably, the finished product tank 5 overcoat be equipped with the second and press from both sides the jacket layer, the lower part that the second pressed from both sides the jacket layer is equipped with the heat supply medium entry, and upper portion is equipped with the heat supply medium entry, and the heat supply medium entry is connected with the conduction oil inlet pipe through second conduction oil feeding branch pipe 16, and the heat supply medium entry is connected with the conduction oil discharging pipe through second conduction oil discharging branch pipe 17, keeps warm to the material in the finished product tank 5 through the conduction oil. And a fifth valve is arranged at the heat supply medium inlet end of the finished product tank, and a sixth valve is arranged at the heat supply medium outlet end.
The heat exchanger 6 is a plate heat exchanger.
Preferably, valves are arranged on the outlet pipeline of the batching tank 1, the inlet and outlet end pipelines of the tubular reaction equipment, the outlet pipeline of the oil guide groove 3, the discharge hole pipeline of the separator 4, the outlet pipeline of the finished product tank 5, and the connecting pipelines of the heat exchanger 6 and the recovery tank 7.
Preferably, the set of continuous reaction equipment further comprises a vacuum system, wherein the vacuum system comprises a vacuum pump 10 and a water tank 11; the vacuum pump 10 is respectively connected with the finished product tank 5 and the recovery tank 7, and check valves are respectively arranged on a connecting pipeline of the vacuum pump 10 and the finished product tank 5 and a connecting pipeline of the vacuum pump 10 and the recovery tank 7. The material pipelines in the complete set of continuous reaction equipment are communicated, and a vacuum pump is opened to generate vacuum before operation, so that the negative pressure of the system is maintained at-0.05 MPa.
The vacuum pump 10 is a water ring vacuum pump.
Preferably, the complete set of continuous reaction equipment further comprises a frequency converter, an instrument, program software and the like, so that the automatic control is facilitated.
The complete set of continuous reaction equipment is adopted for production: preparing materials in a batching tank 1, controlling the flow of the materials by a feeding pump 8, continuously conveying the materials to a tubular reactor 2, circularly heating the tubular reactor by a heat conducting oil groove 3 after the materials pass through a tube pass and a shell pass, feeding reaction products into a separator 4, feeding light components (residual monomers) into a heat exchanger 6 from a top light component outlet, cooling the light components by the heat exchanger, feeding the light components into a recovery tank, and recycling the recovered feed liquid for reuse; the recombined materials enter a finished product tank 5 through a discharge hole at the lower part of the separator, are discharged from a discharge hole at the lower part of the finished product tank 5 after the materials are qualified, and are cooled to obtain finished products.
The invention has the beneficial effects that:
the complete set of continuous reaction equipment adopts the serial tubular reactors, so that not only is the space saved, but also the sectional detection is convenient; the complete set of continuous reaction equipment is suitable for continuous experiments or production of bulk polymerization, is particularly suitable for small-scale production in a laboratory, is provided with a temperature sensor, a pressure sensor, a safe pressure relief device and the like, is convenient for controlling reaction conditions, and has the advantages of simple, safe and efficient operation and low production cost. The materials in the batching tank are continuously fed into the reactor, residual monomers are continuously removed from the materials after reaction under the conditions of high temperature and high pressure, and the product has high purity, good quality and stable performance.
Drawings
FIG. 1 is a schematic view of a continuous reaction apparatus of the present invention.
In fig. 1, 1-a batching tank, 2-a tubular reactor, 3-an oil guide tank, 4-a separator, 5-a finished product tank, 6-a heat exchanger, 7-a recovery tank, 8-a feed pump, 9-a circulating oil pump, 10-a vacuum pump, 11-a water tank, 12-a heat transfer oil feed pipe, 13-a heat transfer oil discharge pipe, 14-a first heat transfer oil feed branch pipe, 15-a first heat transfer oil discharge branch pipe, 16-a second heat transfer oil feed branch pipe, 17-a second heat transfer oil discharge branch pipe.
Detailed Description
The technical solution of the present invention is further described with reference to the following specific embodiments.
Example 1
As shown in fig. 1, a set of continuous reaction equipment comprises a batching tank 1 provided with a stirring shaft, tubular reaction equipment, an oil guide groove 3, a separator 4, a finished product tank 5, a heat exchanger 6 and a recovery tank 7; the tubular reaction equipment is formed by connecting 5 horizontal tubular reactors 2 which are arranged in the vertical direction in series; the batching tank 1 is connected with a lower feed inlet of the tubular reaction equipment, a feed pump 8 is arranged on a connecting pipeline of the batching tank 1 and the tubular reaction equipment, and an upper discharge outlet of the tubular reaction equipment is connected with the separator 4; the outlet of the oil guide groove 3 is connected with the lower heat supply medium inlet of the head-end tubular reactor in the tubular reaction equipment through a heat conduction oil feeding pipe 12, a circulating oil pump 9 is arranged on the outlet pipe of the oil guide groove 3, and the upper heat supply medium outlet of the tail-end tubular reactor 2 is connected with the inlet of the oil guide groove 3 through a heat conduction oil discharging pipe 13; the discharge port at the lower part of the separator 4 is connected with the inlet of the finished product tank 5 to input the finished product into the finished product tank, the light component outlet at the top of the separator 4 is connected with the inlet of the heat exchanger 6, and the outlet of the heat exchanger 6 is connected with the recovery tank 7 to ensure that the cooled light component enters the recovery tank 7 to be recycled, so that the energy-saving and environment-friendly effects are realized.
The inner pipe of the tubular reactor 2 is made of stainless steel, and the outer jacket pipe is made of carbon steel; a pressure sensor and a temperature sensor are arranged on the tubular reactor 2; and safety valves are respectively arranged on the feed end pipeline and the discharge end pipeline of the tubular reaction equipment and are used as safety pressure relief devices. Two adjacent tubular reactors 2 are connected through 180-degree bent pipes, and the tubular reactors are connected with the 180-degree bent pipes through flanges.
The oil guide groove 3 is internally provided with an electric heater, and the temperature of the electric heater can be automatically controlled.
The separator 4 is a hydrocyclone separator. The separator 4 overcoat be equipped with first jacket layer, the lower part of first jacket layer is equipped with the heat supply medium entry, and the upper portion is equipped with the heat supply medium entry, the heat supply medium entry is connected with conduction oil inlet pipe 12 through first conduction oil feeding branch pipe 14, the heat supply medium entry is connected with conduction oil discharging pipe 13 through first conduction oil discharging branch pipe 15.
The finished product tank 5 overcoat be equipped with the second and press from both sides the jacket layer, the lower part on second presss from both sides the jacket layer is equipped with the heat supply medium entry, and the upper portion is equipped with the heat supply medium entry, and the heat supply medium entry is connected with the conduction oil inlet pipe 12 through second conduction oil feeding branch pipe 16, and the heat supply medium entry is connected with conduction oil discharging pipe 13 through second conduction oil discharging branch pipe 17.
The heat exchanger 6 is a plate heat exchanger.
A first valve is arranged at the heat conduction oil feeding end of the tubular reaction equipment, and a second valve is arranged at the heat conduction oil discharging end; a third valve is arranged at the heat supply medium inlet end of the separator, and a fourth valve is arranged at the heat supply medium outlet end; and a fifth valve is arranged at the heat supply medium inlet end of the finished product tank, and a sixth valve is arranged at the heat supply medium outlet end. Valves are arranged on the outlet pipeline of the proportioning tank 1, the inlet and outlet end pipelines of the tubular reaction equipment, the outlet pipeline of the oil guide groove 3, the discharge hole pipeline of the separator 4, the outlet pipeline of the finished product tank 5, and the connecting pipelines of the heat exchanger 6 and the recovery tank 7.
The complete set of continuous reaction equipment of the embodiment is adopted to carry out the continuous bulk polymerization in the laboratory to prepare the resin, and the process flow is as follows: preparing materials in a batching tank 1, controlling the flow of the materials by a feeding pump 8, continuously conveying the materials to a tubular reactor 2, circularly heating the tubular reactor by a material conveying tube side and a heat conducting oil conveying shell side through an oil guide groove 3, strictly controlling the temperature and the pressure, allowing reaction products to enter a separator 4, allowing light components to enter a heat exchanger 6 from a top light component outlet, cooling the light components by the heat exchanger, allowing the light components to enter a recovery tank, and recycling the recovered material liquid for reuse; the recombined materials enter a finished product tank 5 through a discharge hole at the lower part of the separator, are discharged from a discharge hole at the lower part of the finished product tank 5 after the materials are qualified, and are cooled to obtain finished products. The products of each batch have high purity, good quality, and stable properties such as molecular weight, PDI, acid value, glossiness, softening point, solution viscosity and Tg.
Example 2
On the basis of the set of continuous reaction equipment in the embodiment 1, a vacuum system is arranged, and the vacuum system comprises a vacuum pump 10 and a water tank 11; the vacuum pump 10 is respectively connected with the finished product tank 5 and the recovery tank 7, and check valves are respectively arranged on a connecting pipeline of the vacuum pump 10 and the finished product tank 5 and a connecting pipeline of the vacuum pump 10 and the recovery tank 7.
The vacuum pump 10 is a water ring vacuum pump.
Before operation, a vacuum pump is turned on to generate vacuum, and the negative pressure of the system is maintained at-0.05 MPa.
The parts not involved in the present invention are the same as or can be implemented by the prior art.
Claims (10)
1. A complete set of continuous reaction equipment is characterized by comprising a batching tank (1), tubular reaction equipment, an oil guide groove (3), a separator (4), a finished product tank (5), a heat exchanger (6) and a recovery tank (7); the tubular reaction equipment is formed by connecting a plurality of tubular reactors (2) in series, the batching trough (1) is connected with the feed inlet of the tubular reaction equipment, and the discharge outlet of the tubular reaction equipment is connected with the separator (4); the outlet of the oil guide groove (3) is connected with the heat supply medium inlet of the tubular reaction equipment through a heat conduction oil feeding pipe, and the heat supply medium outlet of the tubular reaction equipment is connected with the inlet of the oil guide groove (3) through a heat conduction oil discharging pipe; the discharge hole at the lower part of the separator (4) is connected with the inlet of the finished product tank (5), the light component outlet at the top of the separator (4) is connected with the inlet of the heat exchanger (6), and the outlet of the heat exchanger (6) is connected with the recovery tank (7).
2. The set of continuous reaction equipment according to claim 1, characterized in that the batching tank (1) is provided with a stirring shaft.
3. The plant as claimed in claim 1, characterized in that a feed pump (8) is arranged on the connecting line between the dosing tank (1) and the tubular reactor.
4. The plant according to claim 1, characterized in that said tubular reactor (2) is a horizontal tubular reactor; the inner pipe of the tubular reactor (2) is made of stainless steel, and the outer jacket pipe is made of carbon steel.
5. The continuous reaction apparatus as claimed in claim 1 or 4, wherein the tubular reaction apparatus is formed by connecting a plurality of horizontal tubular reactors arranged in a vertical direction in series.
6. The plant according to claim 1, characterized in that said tubular reactor (2) is provided with pressure sensors, temperature sensors; the feed end pipeline and the discharge end pipeline of the tubular reaction equipment are respectively provided with a safe pressure relief device.
7. The plant as claimed in claim 1, characterized in that a circulating oil pump (9) is arranged in the outlet line of the oil-conducting channel (3).
8. The continuous reaction apparatus as set forth in claim 1, wherein the separator (4) is externally covered with a first jacket layer, a heat supply medium inlet is provided at a lower portion of the first jacket layer, a heat supply medium inlet is provided at an upper portion thereof, the heat supply medium inlet is connected to a conduction oil feed pipe through a first conduction oil feed branch pipe (14), and the heat supply medium inlet is connected to a conduction oil discharge pipe through a first conduction oil discharge branch pipe (15).
9. The continuous reaction apparatus as set forth in claim 1, wherein the product tank (5) is externally sleeved with a second jacket layer, a heat supply medium inlet is provided at a lower portion of the second jacket layer, a heat supply medium inlet is provided at an upper portion of the second jacket layer, the heat supply medium inlet is connected to a heat transfer oil feed pipe through a second heat transfer oil feed branch pipe (16), and the heat supply medium inlet is connected to a heat transfer oil discharge pipe through a second heat transfer oil discharge branch pipe (17).
10. The plant according to claim 1, characterized by comprising a vacuum system comprising a vacuum pump (10) and a water tank (11); the vacuum pump (10) is respectively connected with the finished product tank (5) and the recovery tank (7), and check valves are respectively arranged on a connecting pipeline of the vacuum pump (10) and the finished product tank (5) and a connecting pipeline of the vacuum pump (10) and the recovery tank (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920879924.1U CN210357189U (en) | 2019-06-12 | 2019-06-12 | Complete set of continuous reaction equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920879924.1U CN210357189U (en) | 2019-06-12 | 2019-06-12 | Complete set of continuous reaction equipment |
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| Publication Number | Publication Date |
|---|---|
| CN210357189U true CN210357189U (en) | 2020-04-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920879924.1U Active CN210357189U (en) | 2019-06-12 | 2019-06-12 | Complete set of continuous reaction equipment |
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| CN (1) | CN210357189U (en) |
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- 2019-06-12 CN CN201920879924.1U patent/CN210357189U/en active Active
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