CN114849622B - Reaction device for producing highly methylated melamine formaldehyde resin for coatings - Google Patents
Reaction device for producing highly methylated melamine formaldehyde resin for coatings Download PDFInfo
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- CN114849622B CN114849622B CN202210401948.2A CN202210401948A CN114849622B CN 114849622 B CN114849622 B CN 114849622B CN 202210401948 A CN202210401948 A CN 202210401948A CN 114849622 B CN114849622 B CN 114849622B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0006—Controlling or regulating processes
- B01J19/0013—Controlling the temperature of the process
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
- B01J19/0066—Stirrers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G12/00—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C08G12/02—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes
- C08G12/40—Chemically modified polycondensates
- C08G12/42—Chemically modified polycondensates by etherifying
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Abstract
本发明公开了生产涂料用高度甲基醚化三聚氰胺甲醛树脂的反应装置，包括，转动轴、驱动机构I、搅拌机构和釜体，所述釜体的上端设有转动轴，所述釜体的上端设有驱动转动轴转动的驱动机构I，所述转动轴上设有位于釜体内的搅拌机构，所述转动轴上设有进气通道和排气通道，所述排气通道的输出端设有排气旋转接头，所述排气旋转接头的输出端设有排气控制机构，所述搅拌机构包括若干搅拌器和驱动搅拌器向上转动的驱动机构II，所述搅拌器活动设在转动轴上，所述搅拌器包括连接臂和设在连接臂自由端上的气动马达，所述气动马达的驱动端设有搅拌桨，所述气动马达的进气端通过管道与进气通道连通，与现有技术相比，能够提高搅拌范围，搅拌混匀效果好，安全性好。
The invention discloses a reaction device for producing highly methylated melamine formaldehyde resin for coating, comprising a rotating shaft, a driving mechanism I, a stirring mechanism and a kettle body, wherein the upper end of the kettle body is provided with a rotating shaft, the upper end of the kettle body is provided with a driving mechanism I for driving the rotating shaft to rotate, the rotating shaft is provided with a stirring mechanism located in the kettle body, the rotating shaft is provided with an air inlet channel and an exhaust channel, the output end of the exhaust channel is provided with an exhaust rotary joint, the output end of the exhaust rotary joint is provided with an exhaust control mechanism, the stirring mechanism comprises a plurality of stirrers and a driving mechanism II for driving the stirrers to rotate upward, the stirrers are movably arranged on the rotating shaft, the stirrer comprises a connecting arm and an air motor arranged on the free end of the connecting arm, the driving end of the air motor is provided with a stirring paddle, the air inlet end of the air motor is connected with the air inlet channel through a pipeline, and compared with the prior art, the stirring range can be increased, the stirring and mixing effect is good, and the safety is good.
Description
Technical Field
The invention relates to the technical field of melamine formaldehyde resin production equipment, in particular to the technical field of a reaction device for producing high methyl etherified melamine formaldehyde resin for paint.
Background
The reaction kettle is a comprehensive reaction container, and the structural function and configuration accessories of the reaction kettle are designed according to the reaction conditions. The preset reaction steps can be completed with higher automation degree from the beginning of feeding, reaction and discharging, and the important parameters such as temperature, pressure, mechanical control (stirring, blowing and the like) and reactant/product concentration in the reaction process are strictly regulated and controlled. The structure of the device is generally composed of a kettle body, a transmission device, a stirring device, a heating device, a cooling device and a sealing device.
Most stirring paddles of the existing reaction kettle stirring device are fixedly arranged, the stirring range is small, and the stirring and mixing effect is poor.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a reaction device for producing highly methyl etherified melamine formaldehyde resin for coating, which can improve the stirring range and has good stirring and mixing effects.
In order to achieve the above purpose, the invention provides a reaction device for producing high-methyl etherified melamine formaldehyde resin for paint, which comprises a rotating shaft, a driving mechanism I, a stirring mechanism and a kettle body, wherein the rotating shaft is arranged at the upper end of the kettle body, the driving mechanism I for driving the rotating shaft to rotate is arranged at the upper end of the kettle body, the stirring mechanism positioned in the kettle body is arranged on the rotating shaft, an air inlet channel and an air outlet channel are arranged on the rotating shaft, the air inlet channel and the air outlet channel are respectively arranged at the output end of the air outlet channel and the input end of the air inlet channel, the stirring mechanism comprises a plurality of stirrers and a driving mechanism II for driving the stirrers to rotate upwards, the stirrers are movably arranged on the rotating shaft, the stirrers comprise connecting arms and a pneumatic motor arranged at the free ends of the connecting arms, the driving end of the pneumatic motor is provided with stirring paddles, the air inlet end of the pneumatic motor is communicated with the air inlet channel through a pipeline, the driving mechanism II comprises a fixed seat, a sliding seat, an annular telescopic sealing sleeve and a plurality of supporting arms, the sliding sealing sleeve are arranged on the rotating shaft, the fixing seat is fixedly arranged below the rotating shaft and positioned on the sliding sealing sleeve, the sliding sleeve is positioned on the sliding sleeve, the sliding sleeve is arranged on the rotating shaft, the inner part of the rotating seat is positioned below the rotating shaft, the annular sealing sleeve, the sliding sleeve is arranged between the sliding sleeve, and the sliding sleeve is arranged between the sealing sleeve and the sealing sleeve, and the sealing seat and the sealing sleeve.
Preferably, the sliding seat is provided with a plurality of connectors, and the connectors are communicated with the air outlet ends of the corresponding pneumatic motors through pipelines.
Preferably, the air inlet and outlet mechanism comprises a rotary joint, the output end of an inner pipe of the rotary joint is communicated with the input end of the air inlet channel, the input end of the inner pipe of the rotary joint is communicated with the air supply pipe, the input end of an outer pipe of the rotary joint is communicated with the output end of the air outlet channel, the output end of the outer pipe of the rotary joint is provided with a three-way joint, and two output ends of the three-way joint are respectively provided with a flow velocity sensor and an automatic valve I.
Preferably, the driving mechanism I comprises a motor, a driving synchronizing wheel, a driven synchronizing wheel and a synchronous belt, wherein the driving end of the motor is provided with the driving synchronizing wheel, the upper end of the rotating shaft is provided with the driven synchronizing wheel, and the driving synchronizing wheel and the driven synchronizing wheel are provided with the synchronous belt.
As the preference, the cauldron body is including interior cauldron body, outer cauldron body, charge door, bin outlet, temperature sensor I and cooling spiral coil, the internal interior cauldron body that is equipped with of outer cauldron, be formed with the cavity between the internal and the outer cauldron body of interior cauldron, the upper end of the internal cauldron is equipped with the charge door, the lower extreme of the internal cauldron is equipped with the bin outlet, the internal temperature sensor I that is equipped with of interior cauldron, the inner wall of the internal cauldron is equipped with cooling spiral coil, be equipped with the water inlet and the delivery port that communicate respectively with cooling spiral coil's both ends on the internal cauldron, the outer wall of the internal cauldron is equipped with heating spiral coil, be equipped with oil inlet and the oil-out that communicate respectively with heating spiral coil's both ends on the external cauldron.
Preferably, the device also comprises an air supply device, and the output end of the air supply device is communicated with the air supply pipe through an automatic valve II.
Preferably, the air supply device comprises an air compressor, a three-way valve I, a three-way valve II, an air storage tank I, an air storage tank II and a heating pipe, wherein the input end of the three-way valve I is communicated with the output end of the air compressor, the two output ends of the three-way valve I are respectively communicated with the air storage tank I and the air storage tank II, the two input ends of the three-way valve II are respectively communicated with the air storage tank I and the air storage tank II, the output end of the three-way valve II is communicated with the air supply pipe, the heating pipe, the temperature sensor II and the pressure sensor are arranged in the air storage tank I, and the pressure sensor is arranged in the air storage tank II.
Preferably, the exhaust passage includes an exhaust passage upper section and an exhaust passage lower section, the exhaust passage upper section is communicated with the exhaust passage lower section through a heat exchange tube, and the exhaust passage upper section and the exhaust passage lower section are provided in the rotating shaft.
The stirring device has the beneficial effects that the stirring device is driven to rotate upwards by the driving mechanism II, so that the stirring range can be increased, and the stirring and uniformly mixing effects are good.
The pneumatic motor is adopted, so that the size is small, and the safety is good.
The driving mechanism II works by adopting the gas output by the pneumatic motor, so that the energy utilization rate is improved, the use cost is reduced, a separate power mechanism is not required to be additionally arranged, and the production cost and the energy consumption of the equipment are reduced.
The air supply device can realize the air supply of heating air and unheated air to the stirring mechanism, and improves the efficiency of heating and cooling in the kettle body.
The upper section of the exhaust channel is communicated with the lower section of the exhaust channel through a heat exchange tube, and the heat exchange area is increased through the heat exchange tube.
The features and advantages of the present invention will be described in detail by way of example with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic structural view of a reaction apparatus for producing highly methyl etherified melamine formaldehyde resin for coating according to the present invention.
In the figure, the device comprises a 1-rotating shaft, a 2-driving mechanism I, a 3-stirring mechanism, a 4-kettle body, a 5-air inlet channel, a 6-air outlet channel, a 7-air outlet rotary joint, an 8-tee joint, a 9-flow rate sensor, a 10-automatic valve I, an 11-automatic valve II, a 12-air supply device, a 13-air supply pipe, a 21-motor, a 22-driving synchronous wheel, a 23-driven synchronous wheel, a 24-synchronous belt, a 31-stirrer, a 32-driving mechanism II, a 311-connecting arm, a 312-pneumatic motor, a 313-stirring paddle, a 314-pipeline, a 321-fixing seat, a 322-sliding seat, a 323-annular telescopic sealing body, a 324-sliding sealing sleeve, a 325-supporting arm, a 326-connecting port, a 41-inner kettle body, a 42-outer kettle body, a 43-charging port, a 44-discharging port, a 45-temperature sensor I, a 46-cooling spiral coil, a 47-water inlet, a 48-water outlet, a 49-heating spiral coil, a 410-oil inlet, a 411-oil outlet, a 412-cavity, a 121-air inlet, a 122-tee valve I, a 123-tee valve II, a 123-124-air inlet, a 124-tee valve I, a 124-valve I, a 125-lower pressure sensor, a heating pipe II, a 61-pressure sensor, a 126, an upper pressure sensor and a lower pressure sensor.
Detailed Description
Referring to FIG. 1, the reaction device for producing the highly methyl etherified melamine formaldehyde resin for the coating comprises a rotating shaft 1, a driving mechanism I2, Stirring mechanism 3 and cauldron body 4, the upper end of cauldron body 4 is equipped with axis of rotation 1, the upper end of cauldron body 4 is equipped with the actuating mechanism I2 that drives axis of rotation 1 pivoted, be equipped with the stirring mechanism 3 that is located cauldron body 4 on axis of rotation 1, be equipped with inlet channel 5 and exhaust channel 6 on axis of rotation 1, the output of exhaust channel 6 and the input of inlet channel 5 are equipped with inlet and exhaust mechanism, stirring mechanism 3 includes a plurality of agitators 31 and drive agitator 31 pivoted actuating mechanism II32 that makes progress, agitator 31 activity is established on axis of rotation 1, agitator 31 includes linking arm 311 and establishes the air motor 312 on linking arm 311 free end, air motor 312's drive end is equipped with stirring rake 313, air motor 312's inlet end is through pipeline 314 and inlet channel 5 intercommunication, actuating mechanism II32 includes fixing base 321, a sliding seat 322, an annular telescopic sealing body 323, Slide seal cover 324 and a plurality of support arm 325, slide seal cover 324 slide seal cover establish on axis of rotation 1 and can not rotate, fixing base 321 is fixed to be established on axis of rotation 1 and be located the below of slide seal cover 324, be equipped with slide holder 322 on the slide seal cover 324, all be equipped with swing joint's support arm 325 between slide holder 322 and the linking arm 311, be equipped with cyclic annular flexible seal body 323 between fixing base 321 and the slide holder 322, pneumatic motor 312's the air outlet end and the interior space intercommunication of cyclic annular flexible seal body 323, the input and the interior space intercommunication of cyclic annular flexible seal body 323 of exhaust passage 6, slide seal cover 324 adjusts the switching volume of exhaust passage 6 input, be equipped with a plurality of connectors 326 on the slide holder 322, connector 326 is through pipeline 314 and the intercommunication of the air outlet end of corresponding pneumatic motor 312, air inlet and exhaust mechanism include rotary joint 7, rotary joint 7's inner tube output and air inlet 5's input end intercommunication, rotary joint 7's inner tube input and tube 13 intercommunication, rotary joint 7's input and output end and output 6 of motor 6 are equipped with three-way joint 8, 3, and three-way valve 8 are equipped with respectively and output joint 8 are equipped with respectively to be connected to be equipped with respectively, The driving synchronous wheel 22, the driven synchronous wheel 23 and the synchronous belt 24, the driving end of the motor 21 is provided with the driving synchronous wheel 22, the upper end of the rotating shaft 1 is provided with the driven synchronous wheel 23, the driving synchronous wheel 22 and the driven synchronous wheel 23 are provided with the synchronous belt 24, the kettle body 4 comprises an inner kettle body 41, an outer kettle body 42, a charging hole 43, a discharging hole 44, temperature sensor I45 and cooling spiral coil 46, be equipped with interior cauldron body 41 in the outer cauldron body 42, be formed with cavity 412 between interior cauldron body 41 and the outer cauldron body 42, cavity 412 is the vacuum cavity, the upper end of interior cauldron body 41 is equipped with charge door 43, the lower extreme of interior cauldron body 41 is equipped with bin outlet 44, be equipped with temperature sensor I45 in the interior cauldron body 41, the inner wall of interior cauldron body 41 is equipped with cooling spiral coil 46, be equipped with water inlet 47 and the delivery port 48 that communicate respectively with cooling spiral coil 46's both ends on the interior cauldron body 41, the outer wall of interior cauldron body 41 is equipped with heating spiral coil 49, be equipped with oil inlet 410 and oil-out 411 that communicate respectively with heating spiral coil 49's both ends on the outer cauldron body 42 still include air feeder 12, air feeder 12's output communicates with air feeder 13 through automatic valve II11, air feeder 12 includes air compressor 121, air feeder, Three-way valve I122, three-way valve II123, gas holder I124, gas holder II125 and heating pipe 126, three-way valve I122's input and the output intercommunication of air compressor machine 121, two outputs of three-way valve I122 communicate with gas holder I124 and gas holder II125 respectively, two inputs of three-way valve II123 communicate with gas holder I124 and gas holder II125 respectively, three-way valve II 123's output and air supply pipe 13 intercommunication, be equipped with heating pipe 126, temperature sensor II127 and pressure sensor 128 in the gas holder I124, be equipped with pressure sensor 128 in the gas holder II125, exhaust passage 6 includes exhaust passage upper segment 61 and exhaust passage lower segment 62, exhaust passage upper segment 61 communicates with exhaust passage lower segment 62 through snakelike heat transfer pipe 63, exhaust passage upper segment 61 and exhaust passage lower segment 62 are established in axis of rotation 1.
The working process of the invention comprises the following steps:
In the working process of the reaction device for producing the highly methyl etherified melamine formaldehyde resin for the coating, raw materials are added into an inner kettle body 41 from a charging hole 43, then an automatic valve II11 is controlled to be opened, an automatic valve I10 is half opened and a motor 21 is controlled to work by a PLC, gas sequentially passes through a gas supply pipe 13, a gas inlet rotary joint 7, a gas inlet channel 5 and a pneumatic motor 312, the pneumatic motor 312 works to drive a stirring paddle 313 to rotate and stir, the gas passing through the pneumatic motor 312 enters an annular telescopic sealing body 323, the output quantity of the automatic valve I10 and a flow rate sensor 9 is smaller than the air inflow of the annular telescopic sealing body 323 because the automatic valve I10 is half opened, the gas in the annular telescopic sealing body 323 is gradually increased to push a sliding seat 322 to move upwards, the sliding seat 322 drives a supporting arm 325 and a sliding sealing sleeve 324 to move upwards, the supporting arm 325 drives a connecting arm 311 to rotate upwards, the connecting arm 311 drives the air motor 312 to rotate upwards, the sliding seal sleeve 324 moves upwards, the shielding of the inlet 64 of the lower section 62 of the exhaust channel is reduced, the output quantity of the exhaust channel 6 is increased, the monitoring value of the flow rate sensor 9 is increased, when a certain value is reached, the PLC controller controls the automatic valve I10 to be fully opened, at this time, the output quantity of the automatic valve I10 and the flow rate sensor 9 is larger than the air input quantity of the annular telescopic sealing body 323, the air in the annular telescopic sealing body 323 is reduced, the stirring mechanism 3 automatically rotates downwards under the action of dead weight, the sliding seat 322 is driven to move downwards through the supporting arm 325, the sliding seat 322 drives the sliding seal sleeve 324 to move downwards to gradually increase the shielding of the inlet of the lower section 62 of the exhaust channel until the protrusion 327 on the lower end of the sliding seal sleeve 324 is propped against the fixed seat 321, the monitoring value of the flow rate sensor 9 is reduced, when a certain value is reached, the PLC controller controls the automatic valve I10 to be half-opened, so that the amount of gas in the annular expansion seal 323 increases, and the driving mechanism II32 drives the agitator 31 again to repeat the above-described operation.
During heating, the PLC controller controls the valve on the oil inlet 410 to be opened, the heat conduction oil passes through the heating spiral coil 49, the PLC controller controls the heating pipe 126 to work to heat the gas in the gas storage tank I124, and the three-way valve I122 and the three-way valve II123 are switched to enable the air compressor 121, the gas storage tank I124 and the gas supply pipe 13 to form a passage, and when the temperature sensor I45 reaches a certain value, the PLC controller controls the valve on the oil inlet 410 to be closed and the heating pipe 126 to stop working. When the temperature is reduced, the PLC controller controls the valve on the water inlet 47 to be opened and the paths of the three-way valve I122 and the three-way valve II123 to be switched, and cooling water passes through the cooling spiral coil 46, so that the air compressor 121, the air storage tank II125 and the air supply pipe 13 form a path.
The PLC controller controls the motor 21 to work, and the driving synchronous wheel 22, the driven synchronous wheel 23 and the synchronous belt 24 are matched to drive the rotation shaft 1 to rotate, and the rotation shaft 1 drives the stirring mechanism 3 to rotate.
The temperature sensor II127 monitors the temperature in the air tank I124 and sends a signal to the PLC controller, and when a certain value is reached, the PLC controller controls the heating pipe 126 to stop, and the two pressure sensors 128 monitor the pressure in the air tank I124 and the air tank II125 and send a signal to the PLC controller, respectively, and when a certain value is reached, the PLC controller controls the air compressor 121 to stop.
The above embodiments are illustrative of the present invention, and not limiting, and any simple modifications of the present invention fall within the scope of the present invention.
Claims (8)
1. The reaction device for producing the high-methyl etherified melamine formaldehyde resin for the coating is characterized by comprising a rotating shaft (1), a driving mechanism I (2), a stirring mechanism (3) and a kettle body (4), wherein the rotating shaft (1) is arranged at the upper end of the kettle body (4), the driving mechanism I (2) for driving the rotating shaft (1) to rotate is arranged at the upper end of the kettle body (4), the stirring mechanism (3) positioned in the kettle body (4) is arranged on the rotating shaft (1), an air inlet channel (5) and an air outlet channel (6) are arranged on the rotating shaft (1), an air inlet mechanism (5) and an air outlet channel (6) are arranged at the output end of the air outlet channel (6) and the input end of the air inlet channel (5), the stirring mechanism (3) comprises a plurality of stirrers (31) and a driving mechanism II (32) for driving the stirrers (31) to rotate upwards, the stirrers (31) are movably arranged on the rotating shaft (1), the stirrers (31) comprise connecting arms (311) and pneumatic motors (312) arranged at the free ends of the connecting arms (311), the driving ends of the pneumatic motors (312) are provided with stirring paddles (313) and the driving ends of the pneumatic motors (321) and the pneumatic motors (314) are communicated with the air inlet channel (322) through the air inlet channel (5) and the air inlet channel (3) and the air inlet channel (5) and the air inlet mechanism (3) through the fixing seat (3) and the air inlet mechanism respectively Annular flexible seal body (323), slip seal cover (324) and a plurality of support arm (325), slip seal cover (324) slip seal cover is established on axis of rotation (1), fixing base (321) are fixed to be established on axis of rotation (1) and are located the below of slip seal cover (324), be equipped with sliding seat (322) on slip seal cover (324), all be equipped with swing joint's support arm (325) between sliding seat (322) and linking arm (311), be equipped with annular flexible seal body (323) between fixing base (321) and sliding seat (322), the interior space intercommunication of the end and annular flexible seal body (323) of giving vent to anger of pneumatic motor (312), the input and the interior space intercommunication of annular flexible seal body (323) of exhaust passage (6), the switching volume of exhaust passage (6) input is adjusted to slip seal cover (324).
2. The reaction device for producing highly methyl etherified melamine formaldehyde resin for paint according to claim 1, wherein the sliding seat (322) is provided with a plurality of connection ports (326), and the connection ports (326) are communicated with the air outlet ends of the corresponding pneumatic motors (312) through pipelines (314).
3. The reaction device for producing the highly methyl etherified melamine formaldehyde resin for the coating according to claim 1, wherein the air inlet and outlet mechanism comprises a rotary joint (7), the output end of an inner pipe of the rotary joint (7) is communicated with the input end of an air inlet channel (5), the input end of the inner pipe of the rotary joint (7) is communicated with an air supply pipe (13), the input end of an outer pipe of the rotary joint (7) is communicated with the output end of an air outlet channel (6), the output end of the outer pipe of the rotary joint (7) is provided with a three-way joint (8), and two output ends of the three-way joint (8) are respectively provided with a flow rate sensor (9) and an automatic valve I (10).
4. The reaction device for producing the highly methyl etherified melamine formaldehyde resin for the paint according to claim 1, wherein the driving mechanism I (2) comprises a motor (21), a driving synchronizing wheel (22), a driven synchronizing wheel (23) and a synchronous belt (24), the driving end of the motor (21) is provided with the driving synchronizing wheel (22), the upper end of the rotating shaft (1) is provided with the driven synchronizing wheel (23), and the driving synchronizing wheel (22) and the driven synchronizing wheel (23) are provided with the synchronous belt (24).
5. The reaction device for producing the high-methyl etherified melamine formaldehyde resin for the paint according to claim 1, wherein the kettle body (4) comprises an inner kettle body (41), an outer kettle body (42), a feeding hole (43), a discharging hole (44), a temperature sensor I (45) and a cooling spiral coil (46), the inner kettle body (41) is arranged in the outer kettle body (42), a cavity (412) is formed between the inner kettle body (41) and the outer kettle body (42), the feeding hole (43) is arranged at the upper end of the inner kettle body (41), a discharging hole (44) is arranged at the lower end of the inner kettle body (41), a temperature sensor I (45) is arranged in the inner kettle body (41), a cooling spiral coil (46) is arranged on the inner wall of the inner kettle body (41), a water inlet (47) and a water outlet (48) which are respectively communicated with the two ends of the cooling spiral coil (46) are arranged on the inner kettle body (41), a heating spiral coil (49) is arranged on the outer wall of the inner kettle body (41), and the two oil inlets (49) are respectively communicated with the heating spiral coil (410).
6. The reaction device for producing highly methyl etherified melamine formaldehyde resin for coating material according to claim 1, further comprising a gas supply device (12), wherein the output end of the gas supply device (12) is communicated with a gas supply pipe (13) through an automatic valve II (11).
7. The reaction device for producing the highly methyl etherified melamine formaldehyde resin for the paint according to claim 6, wherein the air supply device (12) comprises an air compressor (121), a three-way valve I (122), a three-way valve II (123), an air storage tank I (124), an air storage tank II (125) and a heating pipe (126), the input end of the three-way valve I (122) is communicated with the output end of the air compressor (121), the two output ends of the three-way valve I (122) are respectively communicated with the air storage tank I (124) and the air storage tank II (125), the two input ends of the three-way valve II (123) are respectively communicated with the air storage tank I (124) and the air storage tank II (125), the output end of the three-way valve II (123) is communicated with the air supply pipe (13), a heating pipe (126), a temperature sensor II (127) and a pressure sensor (128) are arranged in the air storage tank I (124), and a pressure sensor (128) are arranged in the air storage tank II (125).
8. A reaction apparatus for producing highly methyl etherified melamine formaldehyde resin for coating material according to any one of claims 1 to 7, characterized in that the exhaust passage (6) includes an exhaust passage upper section (61) and an exhaust passage lower section (62), the exhaust passage upper section (61) being in communication with the exhaust passage lower section (62) through a heat exchange pipe (63), the exhaust passage upper section (61) and the exhaust passage lower section (62) being provided in the rotating shaft (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210401948.2A CN114849622B (en) | 2022-04-18 | 2022-04-18 | Reaction device for producing highly methylated melamine formaldehyde resin for coatings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210401948.2A CN114849622B (en) | 2022-04-18 | 2022-04-18 | Reaction device for producing highly methylated melamine formaldehyde resin for coatings |
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| Publication Number | Publication Date |
|---|---|
| CN114849622A CN114849622A (en) | 2022-08-05 |
| CN114849622B true CN114849622B (en) | 2025-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210401948.2A Active CN114849622B (en) | 2022-04-18 | 2022-04-18 | Reaction device for producing highly methylated melamine formaldehyde resin for coatings |
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| ES1039734Y (en) * | 1997-11-04 | 1999-06-01 | Zuazo Torres Pedro Luis De | REMOVER FOR KITCHEN CONTAINERS. |
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| CN108079929A (en) * | 2018-01-31 | 2018-05-29 | 四川普思瑞新材料有限公司 | A kind of production of resins system |
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