CN216321935U - Automatic temperature control reaction kettle for producing epoxy resin - Google Patents
Automatic temperature control reaction kettle for producing epoxy resin Download PDFInfo
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- CN216321935U CN216321935U CN202122969917.0U CN202122969917U CN216321935U CN 216321935 U CN216321935 U CN 216321935U CN 202122969917 U CN202122969917 U CN 202122969917U CN 216321935 U CN216321935 U CN 216321935U
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Abstract
The utility model discloses an automatic temperature control reaction kettle for producing epoxy resin, which comprises a reaction kettle, a stirring mechanism arranged in the reaction kettle, a water bath pipe arranged on the outer peripheral side of the reaction kettle, a liquid feeding pipe and a gas feeding pipe, wherein the liquid feeding pipe and the gas feeding pipe are used for feeding the reaction kettle; the water inlet end and the water outlet end of the water bath pipe are respectively communicated with the water bath heater through circulating water pipes; the lower end of the gas feeding pipe is communicated with the aeration ring and is used for providing a gas raw material for reaction for the aeration ring. According to the method, the aeration ring is arranged in the reaction kettle and is communicated with the aeration ring through the gas feeding pipe, so that the contact area of gas-liquid reactants is increased, the reaction efficiency is improved, and meanwhile, tail gas is discharged and treated at the top of the reaction kettle through the communicated zeolite runner system; in addition, the flow rates are arranged at the two end parts of the water bath pipe which is wound on the reaction kettle, so that whether water leakage exists or not is detected, and the stable water bath heating is ensured.
Description
Technical Field
The utility model relates to the technical field of epoxy resin production, in particular to an automatic temperature control reaction kettle for producing epoxy resin.
Background
The main components of the epoxy resin are phenolic resin; the phenolic resin is prepared by condensation polymerization of phenol and formaldehyde under the condition of catalyst, neutralization and water washing, and the phenol resin and the formaldehyde resin are the most important. Is also the earliest artificially synthesized polymer material in the world and is still important to date. The catalyst can be divided into two types of thermosetting and thermoplastic. The phenolic resin has good acid resistance, mechanical property and heat resistance, and is widely applied to industries of corrosion prevention engineering, adhesives, flame retardant materials, grinding wheel manufacturing and the like.
The main reaction of the production of the epoxy resin is a gas-liquid reaction, which not only requires stable control of the temperature inside the reaction kettle, but also requires an increase in the contact area of the gas-liquid reaction, and the conventional reaction efficiency is low and the generated tail gas is inconvenient to treat.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an automatic temperature control reaction kettle for producing epoxy resin, which solves the problems in the prior art.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides an automatic temperature control reaction kettle for producing epoxy resin, which comprises a reaction kettle, a stirring mechanism arranged in the reaction kettle, a water bath pipe arranged on the outer peripheral side of the reaction kettle, a liquid feeding pipe and a gas feeding pipe, wherein the liquid feeding pipe and the gas feeding pipe are used for feeding the reaction kettle;
the water inlet end and the water outlet end of the water bath pipe are respectively communicated with the water bath heater through circulating water pipes; a liquid feeding valve is arranged on the liquid feeding pipe; a gas feeding valve is arranged on the gas feeding pipe;
the bottom of the reaction kettle is provided with an aeration ring which is of an annular cavity structure, a plurality of exhaust holes are formed in the aeration ring, and the lower end of the gas inlet pipe is communicated with the aeration ring and used for providing gas raw materials for reaction for the aeration ring.
In this embodiment, it is further optimized that the stirring mechanism includes a stirring shaft driven by a stirring motor, and a stirring blade mounted on the stirring shaft.
In this embodiment, it is further optimized that flow meters are respectively installed at the water inlet end and the water outlet end of the water bath pipe, both the flow meters are connected to the controller, and whether the water bath pipe leaks water is determined by comparing flow changes of the flow meters.
In this embodiment, it is still further optimized that the water bath heater includes a water bath, a circulating water pump, and a pipe fitting.
In this embodiment, it is further optimized that a temperature sensor for detecting an internal temperature of the reaction kettle is further provided.
In this embodiment, it is further optimized that the top of the reaction kettle is communicated with a zeolite runner system for tail gas treatment through an exhaust pipe.
Compared with the prior art, the utility model has the beneficial technical effects that: according to the method, the aeration ring is arranged in the reaction kettle and is communicated with the aeration ring through the gas feeding pipe, so that the contact area of gas-liquid reactants is increased, the reaction efficiency is improved, and meanwhile, tail gas is discharged and treated at the top of the reaction kettle through the communicated zeolite runner system; in addition, the flow rates are arranged at the two end parts of the water bath pipe which is wound on the reaction kettle, so that whether water leakage exists or not is detected, and the stable water bath heating is ensured.
Drawings
The utility model is further illustrated in the following description with reference to the drawings.
FIG. 1 is a schematic view of the main body of an automatic temperature-controlled reaction kettle for producing epoxy resin according to the present invention;
FIG. 2 is a schematic view of a structure of a water bath tube in the automatic temperature-controlled reaction kettle for producing epoxy resin according to the present invention;
FIG. 3 is a schematic diagram of an aeration ring structure in the automatic temperature control reaction kettle for producing epoxy resin according to the present invention.
Description of reference numerals:
1. a reaction kettle; 2. a stirring motor; 2a, a stirring shaft; 2b, stirring blades; 3. a water bath tube; 3a, a circulating water pipe; 3b, a controller; 4. a temperature sensor; 5. a liquid feed conduit; 5a, a liquid feeding valve; 6. a gas feed pipe; 6a, a gas feed valve; 7. an aeration ring; 7a, an exhaust hole; 8. a zeolite wheel system; 8a, an exhaust pipe.
Detailed Description
The embodiment discloses an automatic temperature control reaction kettle for producing epoxy resin, which comprises a reaction kettle 1, a stirring mechanism arranged in the reaction kettle 1, a water bath pipe 3 arranged on the peripheral side of the reaction kettle 1, a liquid feeding pipe 5 and a gas feeding pipe 6, wherein the liquid feeding pipe 5 and the gas feeding pipe are used for feeding the reaction kettle 1;
as shown in fig. 1, a zeolite runner system 8 is connected to the top of the reaction kettle 1 through an exhaust pipe 8a, so that the waste gas and the tail gas generated by the reaction of phenol and formaldehyde are effectively treated by the zeolite runner system 8;
VOCs waste gas (including formaldehyde) can be effectively adsorbed in zeolite after passing through the hydrophobic zeolite concentration rotating wheel, so that the aim of removing is fulfilled. The clean gas of the volatile organic compounds adsorbed by the zeolite is directly discharged into the atmosphere through a chimney, the rotating wheel continuously rotates at the speed of 1-6 revolutions per hour, and the adsorbed volatile organic compounds are conveyed to a desorption area, and the ratio of the adsorption area, the cooling area and the desorption area of the rotating wheel is 10:1: 1. Volatile organic compounds are desorbed by utilizing a small stream of heating gas in the desorption area, and the desorbed zeolite rotating wheel rotates to the adsorption area to continuously adsorb the volatile organic gases. And (4) sending the desorbed concentrated organic waste gas to a combustion furnace for combustion to convert into carbon dioxide and water vapor, and discharging to the atmosphere.
In this embodiment, the stirring mechanism includes a stirring shaft 2a driven by a stirring motor 2 and a stirring blade 2b mounted on the stirring shaft 2 a; so as to effectively treat the reactants in the reaction kettle 1.
As shown in fig. 2, in this embodiment, the water bath tube 3 is installed on the outer periphery of the reaction kettle 1 in a surrounding manner, so as to heat the reaction kettle 1 in a water bath, and ensure that the reaction is stably performed; wherein the water inlet end and the water outlet end of the water bath pipe 3 are respectively communicated with the water bath heater through a circulating water pipe 3 a; wherein the water bath heater comprises a water bath kettle, a circulating water pump and a pipe fitting; the reaction kettle 1 is also provided with a temperature sensor 4 for detecting the internal temperature of the reaction kettle, wherein the temperature sensor 4 is also used as an electric signal to be connected with the PLC for control, so that the heating power of the water bath kettle and the circulating power of the circulating water pump are adjusted, and the water bath pipe 3 is intelligently provided with hot water with the indicated requirement;
in this embodiment, flow meters are respectively installed at the water inlet end and the water outlet end of the water bath pipe 3, both the flow meters are connected to the controller 3b, and the flow changes of the flow meters are compared to determine whether the water bath pipe 3 leaks water.
In this embodiment, a liquid feed valve 5a is installed on the liquid feed pipe 5; a gas feed valve 6a is arranged on the gas feed pipe 6, so that the gas feed pipe can be conveniently closed and opened according to the adjustment of requirements;
since the production and processing of the epoxy resin are a gas-liquid reaction, in the embodiment, in order to improve the efficiency of the gas-liquid reaction, the aeration ring 7 is used for carrying out the aeration reaction, wherein the aeration ring 7 is positioned below the liquid level of the liquid, so that the gas-liquid contact area is convenient to improve;
as shown in fig. 1, an aeration ring 7 is installed at the bottom of the reaction kettle 1, the aeration ring 7 is an annular cavity structure, a plurality of exhaust holes 7a are formed in the aeration ring 7, and the lower end of the gas feed pipe 6 is communicated with the aeration ring 7 and is used for providing a gas raw material for reaction for the aeration ring 7.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used for convenience of description only, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The above embodiments are only for describing the preferred mode of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (6)
1. The utility model provides an automatic control by temperature change reation kettle of production epoxy which characterized in that:
comprises a reaction kettle (1), a stirring mechanism arranged in the reaction kettle (1), a water bath pipe (3) arranged on the outer peripheral side of the reaction kettle (1), a liquid feeding pipe (5) and a gas feeding pipe (6) for feeding the reaction kettle (1);
the water inlet end and the water outlet end of the water bath pipe (3) are respectively communicated with the water bath heater through a circulating water pipe (3 a); a liquid feeding valve (5a) is arranged on the liquid feeding pipe (5); a gas feeding valve (6a) is arranged on the gas feeding pipe (6);
the bottom of reation kettle (1) is provided with aeration ring (7), aeration ring (7) are annular cavity structure, have seted up a plurality of exhaust holes (7a) on it, the lower extreme intercommunication of gas inlet pipe (6) aeration ring (7) are used for aeration ring (7) provide the gaseous raw materials that are used for the reaction.
2. The automatic temperature-controlled reaction kettle for producing the epoxy resin according to claim 1, characterized in that: the stirring mechanism comprises a stirring shaft (2a) driven by a stirring motor (2) and a stirring blade (2b) arranged on the stirring shaft (2 a).
3. The automatic temperature-controlled reaction kettle for producing the epoxy resin according to claim 1, characterized in that: the water-bath pipe (3) is characterized in that flow meters are respectively arranged at the water inlet end and the water outlet end of the water-bath pipe (3), the two flow meters are connected with a controller (3b), and the flow change of the flow meters is compared to judge whether the water-bath pipe (3) leaks water.
4. The automatic temperature-controlled reaction kettle for producing the epoxy resin according to claim 1, characterized in that: the water bath heater comprises a water bath kettle, a circulating water pump and a pipe fitting.
5. The automatic temperature-controlled reaction kettle for producing the epoxy resin according to claim 1, characterized in that: the reaction kettle (1) is also provided with a temperature sensor (4) for detecting the internal temperature thereof.
6. The automatic temperature-controlled reaction kettle for producing the epoxy resin according to claim 1, characterized in that: the top of the reaction kettle (1) is communicated with a zeolite runner system (8) for tail gas treatment through an exhaust pipe (8 a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122969917.0U CN216321935U (en) | 2021-11-30 | 2021-11-30 | Automatic temperature control reaction kettle for producing epoxy resin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122969917.0U CN216321935U (en) | 2021-11-30 | 2021-11-30 | Automatic temperature control reaction kettle for producing epoxy resin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216321935U true CN216321935U (en) | 2022-04-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122969917.0U Active CN216321935U (en) | 2021-11-30 | 2021-11-30 | Automatic temperature control reaction kettle for producing epoxy resin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216321935U (en) |
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2021
- 2021-11-30 CN CN202122969917.0U patent/CN216321935U/en active Active
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