CN213434458U - Improved reaction kettle for preparing melamine formaldehyde resin - Google Patents
Improved reaction kettle for preparing melamine formaldehyde resin Download PDFInfo
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- CN213434458U CN213434458U CN202022214745.1U CN202022214745U CN213434458U CN 213434458 U CN213434458 U CN 213434458U CN 202022214745 U CN202022214745 U CN 202022214745U CN 213434458 U CN213434458 U CN 213434458U
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- condenser
- kettle body
- cooling water
- formaldehyde resin
- melamine formaldehyde
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Abstract
The utility model belongs to the reation kettle field relates to a modified preparation melamine formaldehyde resin reation kettle, include: the cauldron body, the top of the cauldron body is equipped with the feed inlet, inlet and gas outlet, the internal portion of cauldron is equipped with heating coil, the external cover that is equipped with of cauldron, be equipped with cooling water inlet and cooling water outlet on the cover, the bottom of the cauldron body is equipped with the bin outlet, agitating unit, and condensation reflux system, condensation reflux system includes the condenser, the condensate pump, the gaseous phase pipe, the liquid phase pipe, backward flow conveyer pipe and cooling water pool, the condenser is located the top of the cauldron body, the condenser passes through gaseous phase pipe and gas outlet intercommunication, the condenser passes through liquid phase pipe and inlet intercommunication, the one end intercommunication of backward flow conveyer pipe is on the condenser, the discharge end of condensate pump and the other end of backward flow conveyer pipe all communicate with cooling water pool. The utility model discloses a condensation reflux system and high temperature let the temperature of reaction liquid even, and melamine can change clearly fast in the hydrosolvent, and the resin can the homogeneous phase form.
Description
Technical Field
The utility model belongs to the technical field of reation kettle and specifically relates to a modified preparation melamine formaldehyde resin reation kettle is related to.
Background
Melamine formaldehyde resin is called melamine formaldehyde resin or melamine resin for short, is an important triazine ring compound, and is a product formed by performing addition reaction on melamine and formaldehyde, and then dehydrating and condensing the melamine and formaldehyde. Reaction solution in traditional melamine formaldehyde resin reation kettle is at the reaction in-process, and the temperature that reaction solution received is inhomogeneous, and melamine is clear slower in the hydrosolvent, and the resin can not be quick homogeneous completely to the performance in resin later stage has been influenced.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: in order to solve the interior reaction liquid of melamine formaldehyde resin reation kettle in reaction process, the temperature that the reaction liquid received is inhomogeneous, and melamine is clear slower in the hydrosolvent, and the resin can not be quick homogeneous phase completely to the problem of the performance in resin later stage has been influenced, the utility model provides a modified preparation melamine formaldehyde resin reation kettle.
The utility model provides a modified preparation melamine formaldehyde resin reation kettle, include: the kettle body, the top of the kettle body is equipped with feed inlet, inlet and gas outlet, the internal portion of kettle is equipped with heating coil, the external cover that is used for the heat transfer that is equipped with of kettle is equipped with cooling water inlet and cooling water outlet, the bottom of the kettle body is equipped with bin outlet, agitating unit, and condensation reflux system, condensation reflux system includes condenser, condensate pump, gas phase pipe, liquid phase pipe, backward flow delivery pipe and cooling water pool, the condenser is located the top of the kettle body, the condenser passes through the gas phase pipe and communicates with the gas outlet, the condenser passes through the liquid phase pipe and communicates with the inlet, the condensate pump is located the side of condenser to the feed end and the condensate pump intercommunication of condensate pump, the one end of backward flow delivery pipe communicates on the condenser, the discharge end of condensate pump and the other end of backward flow delivery pipe all communicate with the cooling water pool, the stirring device is arranged at the top of the kettle body.
Preferably, the stirring device comprises a stirring motor, a shaft coupling seat and a stirring shaft, wherein the stirring shaft is provided with a plurality of stirring blades, the shaft coupling seat is installed at the top of the kettle body, the stirring motor is vertically connected to the top of the shaft coupling seat, and the top of the stirring shaft is fixedly connected with the shaft coupling seat.
Preferably, a temperature sensor is arranged in the kettle body.
Preferably, a pressure gauge is arranged on the kettle body.
Preferably, the kettle body is also provided with an observation port.
The beneficial effects of the utility model reside in that:
the utility model discloses a modified preparation melamine formaldehyde resin reation kettle lets the temperature of reaction liquid even through condensation reflux system and high temperature, and melamine can change clearly fast in the hydrosolvent, and the resin can the homogeneous phase form.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Figure 1 is a schematic perspective view of the present invention,
fig. 2 is a partial cross-sectional view of the present invention;
reference numerals: the reactor comprises a kettle body 1, a feed inlet 11, a liquid inlet 12, a gas outlet 13, a heating coil pipe 14, a discharge outlet 15, a pressure gauge 16, a jacket 2, a cooling water inlet 21, a cooling water outlet 22, a stirring device 3, a stirring motor 31, a coupling seat 32, a stirring shaft 33, a stirring blade 34, a condenser 4, a condensate pump 5, a gas phase pipe 6, a liquid phase pipe 7 and a return water conveying pipe 8.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention.
As shown in fig. 1-2, an improved reaction kettle for preparing melamine formaldehyde resin comprises: the device comprises a kettle body 1, wherein the top of the kettle body 1 is provided with a feed inlet 11, a liquid inlet 12 and a gas outlet 13, a heating coil 14 is arranged inside the kettle body 1, a jacket 2 for heat exchange is arranged outside the kettle body 1, the jacket 2 is provided with a cooling water inlet 21 and a cooling water outlet 22, the bottom of the kettle body 1 is provided with a discharge outlet 15, a stirring device 3 and a condensation reflux system, the condensation reflux system comprises a condenser 4, a condensation pump 5, a gas phase pipe 6, a liquid phase pipe 7, a reflux water conveying pipe 8 and a cooling water pool (not shown in the figure), the condenser 4 is positioned above the kettle body 1, the condenser 4 is communicated with the gas outlet 13 through the gas phase pipe 6, the condenser 4 is communicated with the liquid phase pipe 7 and the liquid inlet 12, the condensation pump 5 is positioned beside the condenser 4, the feed end of the condensation pump 5 is communicated with the condensation pump 5, one end of the reflux water conveying pipe 8 is communicated with the condenser 4, the discharge end of the condensation, the stirring device 3 is arranged at the top of the kettle body 1.
The improvement point is as follows: the condensation reflux system is added, the temperature of the reaction liquid is uniform through the condensation reflux system and high temperature, melamine can be quickly removed in the water solvent, and resin can be formed in a homogeneous phase.
In a specific embodiment, the stirring device 3 comprises a stirring motor 31, a coupling seat 32 and a stirring shaft 33, wherein the stirring shaft 33 is provided with a plurality of stirring blades 34, the coupling seat 32 is installed at the top of the kettle body 1, the stirring motor 31 is vertically connected to the top of the coupling seat 32, and the top of the stirring shaft 33 is fixedly connected with the coupling seat 32; the stirring motor 31 can drive the stirring shaft 33 to rotate through the shaft coupling seat 32, and the stirring blades 34 on the stirring shaft 33 can uniformly stir the reaction liquid in the kettle body 1.
In a specific embodiment, a temperature sensor is arranged in the kettle body 1; the temperature sensor is used to monitor the temperature change in the kettle 11.
In a specific embodiment, a pressure gauge 16 is arranged on the kettle body 1; the pressure gauge 16 can monitor the positive pressure in the kettle body 1.
In a specific embodiment, the kettle body 1 is further provided with an observation port.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (5)
1. An improved reaction kettle for preparing melamine formaldehyde resin is characterized by comprising:
the device comprises a kettle body (1), wherein a feed inlet (11), a liquid inlet (12) and a gas outlet (13) are arranged at the top of the kettle body (1), a heating coil (14) is arranged in the kettle body (1), a jacket (2) for heat exchange is arranged outside the kettle body (1), a cooling water inlet (21) and a cooling water outlet (22) are arranged on the jacket (2), a discharge outlet (15) is arranged at the bottom of the kettle body (1),
stirring device (3), and
a condensation reflux system, the condensation reflux system comprises a condenser (4), a condensing pump (5), a gas phase pipe (6), a liquid phase pipe (7), a reflux water conveying pipe (8) and a cooling water pool, the condenser (4) is positioned above the kettle body (1), the condenser (4) is communicated with a gas outlet (13) through the gas phase pipe (6), the condenser (4) is communicated with a liquid inlet (12) through the liquid phase pipe (7), the condensing pump (5) is positioned at the side of the condenser (4), the feeding end of the condensing pump (5) is communicated with the condensing pump (5), one end of the reflux water conveying pipe (8) is communicated on the condenser (4), the discharging end of the condensing pump (5) and the other end of the reflux water conveying pipe (8) are communicated with the cooling water pool,
the stirring device (3) is arranged at the top of the kettle body (1).
2. An improved reaction kettle for preparing melamine formaldehyde resin according to claim 1, characterized in that: the stirring device (3) comprises a stirring motor (31),
a coupling seat (32), and
a stirring shaft (33), wherein a plurality of stirring blades (34) are arranged on the stirring shaft (33),
the top at the cauldron body (1) is installed in shaft coupling seat (32), agitator motor (31) are vertical connection at the top of shaft coupling seat (32), the top and shaft coupling seat (32) fixed connection of (mixing) shaft (33).
3. An improved reaction kettle for preparing melamine formaldehyde resin according to claim 1, characterized in that: and a temperature sensor is arranged in the kettle body (1).
4. An improved reaction kettle for preparing melamine formaldehyde resin according to claim 1, characterized in that: and a pressure gauge (16) is arranged on the kettle body (1).
5. An improved reaction kettle for preparing melamine formaldehyde resin according to claim 1, characterized in that: the kettle body (1) is also provided with an observation port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022214745.1U CN213434458U (en) | 2020-09-30 | 2020-09-30 | Improved reaction kettle for preparing melamine formaldehyde resin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022214745.1U CN213434458U (en) | 2020-09-30 | 2020-09-30 | Improved reaction kettle for preparing melamine formaldehyde resin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213434458U true CN213434458U (en) | 2021-06-15 |
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ID=76286754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022214745.1U Active CN213434458U (en) | 2020-09-30 | 2020-09-30 | Improved reaction kettle for preparing melamine formaldehyde resin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213434458U (en) |
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2020
- 2020-09-30 CN CN202022214745.1U patent/CN213434458U/en active Active
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