CN106188453B - A kind of melamine resin process units with continuous increasing stick effect - Google Patents
A kind of melamine resin process units with continuous increasing stick effect Download PDFInfo
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- CN106188453B CN106188453B CN201610854009.8A CN201610854009A CN106188453B CN 106188453 B CN106188453 B CN 106188453B CN 201610854009 A CN201610854009 A CN 201610854009A CN 106188453 B CN106188453 B CN 106188453B
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- China
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- collet
- screw machine
- melamine resin
- process units
- die heater
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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
- C08G12/26—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds
- C08G12/30—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds with substituted triazines
- C08G12/32—Melamines
Abstract
The present invention discloses a kind of melamine resin process units with continuous increasing stick effect, belong to chemical equipment technical field, including sequentially connected mixture feed bin, product pump, the first screw machine and the second screw machine, mixture feed bin is connect with the high compartment of melamine and the high compartment of paraformaldehyde respectively, lye feed inlet is arranged in the feed end of first screw machine, and feed end, intermediate ends or the end of the first screw machine are provided with auxiliary material feed inlet；First screw machine is identical with second screw machine structure, it respectively includes cylinder and is arranged in the intracorporal screw rod of cylinder, supply unit and dispersal unit are arranged at intervals on screw rod, supply unit is made of 3~5 left-handed blades and a dextrorotation blade, and one end of every group of supply unit is arranged in dextrorotation blade.The present invention according to production needs, improves screw machine internal module, with achieve the purpose that melamine resin be uniformly mixed, be heated evenly, the residence time it is long, to increase resin cross-linking reaction time, improve resin viscosity.
Description
Technical field
The present invention relates to chemical equipment technical field, in particular to a kind of melamine resin production with continuous increasing stick effect
Device.
Background technique
Melamine resin, also known as melamine resin (melamine-formaldehyde resin), melamine formaldehyde (MF) tree
Rouge is that melamine reacts obtained polymer with formaldehyde.Reaction is crosslinked when machine-shaping, product is insoluble thermosetting
Property resin.It and Lauxite are often traditionally referred to as amino resins.
Melamine resin can be made into melamino-formaldehyde foam by foamable reaction, and this foam is nonflammable, water-fast, heat-resisting,
Ageing-resistant, resistance to electric arc, it is resistant to chemical etching, have good insulation performance, glossiness and a mechanical strength, while also there is good suction
Audio fruit.Therefore, it is widely used in the sound-absorbing and flame-retardant of building, automobile even aircraft carrier, submarine etc..
Currently, existing melamine resin production mainly uses batch production method, the capital equipment of this method is reaction
Kettle, using reaction kettle production melamine resin the method production cycle it is longer, reaction kettle be one it is closed, band stirring and keep the temperature
Equipment, the viscosity of inconvenient on-line monitoring resin in melamine resin synthesis process, it is glutinous that this often results in the melamine resin produced
Spend big, the not only working process of influence subsequent product, but also the cleaning difficulty of increasing reaction kettle.
Summary of the invention
The present invention provides a kind of melamine resin process units with continuous increasing stick effect, solves existing melamine resin system
The problem of melamine resin large viscosity that the standby production cycle is long, obtains.
In order to solve the above technical problems, the technical solution of the present invention is as follows:
A kind of melamine resin process units with continuous increasing stick effect, including sequentially connected mixture feed bin, material
Pump, the first screw machine and the second screw machine, the mixture feed bin respectively with the high compartment of melamine and the high compartment of paraformaldehyde
Lye feed inlet, feed end, intermediate ends or the end of first screw machine is arranged in the feed end of connection, first screw machine
It is provided with auxiliary material feed inlet；First screw machine is identical with second screw machine structure, respectively includes cylinder and setting exists
The cylinder intracorporal screw rod is arranged at intervals with supply unit and dispersal unit on the screw rod, and the supply unit is by 3~5
Left-handed blade and a dextrorotation blade are constituted, and one end of every group of supply unit is arranged in the dextrorotation blade.
Wherein it is preferred to which the dispersal unit is to be fixed on multiple grating sheet of the cylinder inboard wall, the screw rod is passed through
The grating sheet.
Wherein it is preferred to be provided with four sections of collets, respectively the first collet, second outside the cylinder of first screw machine
Collet, third collet, the 4th collet, first collet, second collet, the third collet, the 4th collet point
It is not connect with four die heaters.
Wherein it is preferred to which the die heater preset temperature connecting with first collet is 80~110 DEG C, with described second
The die heater preset temperature of collet connection is 95~150 DEG C, die heater preset temperature connect with the third collet for 100~
160 DEG C, the die heater preset temperature connecting with the 4th collet is 90~140 DEG C.
Wherein it is preferred to be provided with the 5th collet outside the cylinder of second screw machine, it is connect with die heater.
Wherein it is preferred to which the die heater preset temperature connecting with second screw machine is 65~95 DEG C.
Wherein it is preferred to it is respectively arranged with the 6th collet, the 7th collet and the 8th collet outside second screw machine, point
It is not connect with die heater, the preset temperature for the die heater connecting with the 6th collet is 100~90 DEG C, with the 7th collet
The preset temperature of the die heater of connection is 90~80 DEG C, and the preset temperature for the die heater connecting with the 8th collet is 80~70
℃。
Wherein it is preferred to which residence time of the material in first screw machine is 5~10min.
Wherein it is preferred to which residence time of the material in second screw machine is 25~45min.
Beneficial effects of the present invention:
1. the present invention on the basis of original internal screw machine structure, according to production needs, to screw machine internal module into
Row improves, with achieve the purpose that melamine resin be uniformly mixed, be heated evenly, the residence time it is long, to increase resin cross-linking reaction
Time improves resin viscosity.
A kind of 2 melamine resin process units production process raw material availability height with continuous increasing stick effect of the invention,
Low energy consumption, high income, no three wastes generate, can the continuously stable melamine resin of the quality of production, and the product matter of melamine resin
Amount is good.
3. continuity of production process of the present invention is good, required operator is few, high degree of automation.
4., stable product quality with short production cycle using process units of the present invention.
5 using process units production process safety of the present invention.
6. process units structure of the present invention is simple, small investment, takes up an area less.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the melamine resin process units in the present invention with continuous increasing stick effect；
Fig. 2 be Fig. 2 along A-A to the schematic diagram of the section structure.
In figure, 1. mixture feed bins, 2. product pumps, 3. first screw machines, 4. second screw machines, a 5. melamines high position
Storehouse, the high compartment of 6. paraformaldehydes, 7. lye feed inlets, 8. auxiliary material feed inlets, 9. first collets, 10. second collets, 11. thirds
Collet, 12. the 4th collets, 13. the 5th collets, 14. die heaters, 15. cylinders, 16. screw rods, 16-1. left-handed blade, 16-2. are right
Vane piece, 16-3. grating sheet
Specific embodiment
The following is a clear and complete description of the technical scheme in the embodiments of the invention, it is clear that described embodiment
Only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
Art personnel every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
As depicted in figs. 1 and 2, the present embodiment provides a kind of melamine resin process units with continuous increasing stick effect, packets
Include sequentially connected mixture feed bin 1, product pump 2, the first screw machine 3 and the second screw machine 4, mixture feed bin 1 is respectively with three
The high compartment 5 of poly cyanamid and the high compartment 6 of paraformaldehyde connect, and lye feed inlet 7, the first spiral shell are arranged at the charging of the first screw machine 3
The end of bar is provided with auxiliary material feed inlet 8.When preparing melamine resin using the present embodiment, melamine is powder, paraformaldehyde
For particulate material, the solvent of reaction is the lye being added at the charging of the first screw machine 3, wherein lye be mass ratio be 0.2~
The aqueous solution of 0.5% organic base or inorganic base.The auxiliary material of addition is one or more inorganic sodiums.Using setting for the present embodiment
Standby, powdery melamine and graininess paraformaldehyde are uniformly mixed in mixture feed bin 1 before the reaction, and mixture feed bin 1 is protected
Material uniform feeding in proportion before the reaction is demonstrate,proved.Auxiliary material feed inlet 8 also can be set the first screw machine 3 feed end or in
Between position.
Wherein, four sections of collets, respectively the first collet 9, the second collet are provided with outside the cylinder 1515 of the first screw machine 3
10, third collet 11, the 4th collet 12, the first collet 9, the second collet 10, third collet 11, the 4th collet 12 respectively with four
Die heater 14 connects.14 preset temperature of die heater connecting with the first collet 9 is 100~110 DEG C, is connect with the second collet 10
14 preset temperature of die heater is 110~120 DEG C, and 14 preset temperature of die heater connecting with third collet 11 is 120~130 DEG C,
14 preset temperature of die heater connecting with the 4th collet 12 is 130~140 DEG C.Four sections of collets are set, make material when different
Between keep different temperature, be more advantageous to the progress that reacting balance has control.
The revolving speed for adjusting the screw rod of the first screw machine 3, make residence time 5 of the material in the first screw machine 3~
10min。
Wherein, it is provided with the 5th collet 13 outside the cylinder 15 of the second screw machine 4, is connect with die heater 14 is protected, with the second spiral shell
The die heater preset temperature that bar machine 4 connects is 65~95 DEG C.
The revolving speed for adjusting the screw rod of the second screw machine 4, make residence time 25 of the material in the second screw machine 4~
45min。
The process units of the present embodiment can the continuously stable melamine resin of the quality of production, and the product matter of melamine resin
Amount is good.
First screw machine 3 is identical with 4 structure of the second screw machine, the screw rod for respectively including cylinder 15 and being arranged in cylinder 15
16, supply unit and dispersal unit are arranged at intervals on screw rod, and supply unit is by 3~5 left-handed blade 16-1 and a dextrorotation
Blade 16-2 is constituted, and one end of every group of supply unit is arranged in dextrorotation blade 16-2.
Wherein, dispersal unit is the multiple grating sheet 16-3 for being fixed on 15 inner wall of cylinder, and screw rod 16 passes through grating sheet 16-3.
Material enters dextrorotation blade 16-2 from left-handed blade 16-1, is uniformly dispersed using dispersal unit, makes the rotation of material
Turn direction constantly to change, therefore generate whirlpool and add collision effect, produce turbulent flow at whirlpool and collision, this effect into
One step mixes liquid more fully.Since these effects occur inside cylinder 15, so right in mixed process
The viscosity loss of resin is smaller.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of melamine resin process units with continuous increasing stick effect, it is characterised in that: including sequentially connected mixture
Feed bin, product pump, the first screw machine and the second screw machine, the mixture feed bin respectively with the high compartment of melamine and poly first
Lye feed inlet, the feed end of first screw machine, centre is arranged in the high compartment connection of aldehyde, the feed end of first screw machine
End or end are provided with auxiliary material feed inlet；First screw machine is identical with second screw machine structure, respectively includes cylinder
Supply unit and dispersal unit, the supply unit are arranged at intervals on the intracorporal screw rod of the cylinder, the screw rod with setting
It is made of 3 ~ 5 left-handed blades and a dextrorotation blade, one end of every group of supply unit is arranged in the dextrorotation blade；Described point
Throwaway member is to be fixed on multiple grating sheet of the cylinder inboard wall, and the screw rod passes through the grating sheet.
2. a kind of melamine resin process units with continuous increasing stick effect according to claim 1, it is characterised in that: institute
It states and is provided with four sections of collets outside the cylinder of the first screw machine, respectively the first collet, the second collet, third collet, the 4th collet,
First collet, second collet, the third collet, the 4th collet are connect with four die heaters respectively.
3. a kind of melamine resin process units with continuous increasing stick effect according to claim 2, it is characterised in that: with
The die heater preset temperature of the first collet connection is 80 ~ 110 DEG C, the die heater preset temperature connecting with second collet
It is 95 ~ 150 DEG C, the die heater preset temperature connecting with the third collet is 100 ~ 160 DEG C, is connect with the 4th collet
Die heater preset temperature is 90 ~ 140 DEG C.
4. a kind of melamine resin process units with continuous increasing stick effect according to claim 1, it is characterised in that: institute
It states and is provided with the 5th collet outside the cylinder of the second screw machine, connect with die heater.
5. a kind of melamine resin process units with continuous increasing stick effect according to claim 4, it is characterised in that: with
The die heater preset temperature of the 5th collet connection is 65 ~ 95 DEG C.
6. a kind of melamine resin process units with continuous increasing stick effect according to claim 1, it is characterised in that: institute
It states and is respectively arranged with the 6th collet, the 7th collet and the 8th collet outside the second screw machine, connect respectively with die heater, with described the
The preset temperature of the die heater of six collets connection is 100 ~ 90 DEG C, and the preset temperature for the die heater connecting with the 7th collet is
90 ~ 80 DEG C, the preset temperature for the die heater connecting with the 8th collet is 80 ~ 70 DEG C.
7. a kind of melamine resin process units with continuous increasing stick effect according to claim 1, it is characterised in that: object
Expect that the residence time in first screw machine is 5 ~ 10min.
8. a kind of melamine resin process units with continuous increasing stick effect according to claim 1, it is characterised in that: object
Expect that the residence time in second screw machine is 25 ~ 45min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610854009.8A CN106188453B (en) | 2016-09-27 | 2016-09-27 | A kind of melamine resin process units with continuous increasing stick effect |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610854009.8A CN106188453B (en) | 2016-09-27 | 2016-09-27 | A kind of melamine resin process units with continuous increasing stick effect |
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| Publication Number | Publication Date |
|---|---|
| CN106188453A CN106188453A (en) | 2016-12-07 |
| CN106188453B true CN106188453B (en) | 2019-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610854009.8A Active CN106188453B (en) | 2016-09-27 | 2016-09-27 | A kind of melamine resin process units with continuous increasing stick effect |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4996289A (en) * | 1988-08-25 | 1991-02-26 | Basf Aktiengesellschaft | Continuous preparation of aqueous melamine/formaldehyde precondensate solutions |
| CN102838744A (en) * | 2012-10-03 | 2012-12-26 | 上海会博新材料科技有限公司 | Continuous production device for poly-p-phenylene terephthamide resin |
| CN203985860U (en) * | 2014-07-08 | 2014-12-10 | 阳政精机（无锡）有限公司 | A kind of conveying device for semisolid edible oil and fat |
-
2016
- 2016-09-27 CN CN201610854009.8A patent/CN106188453B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4996289A (en) * | 1988-08-25 | 1991-02-26 | Basf Aktiengesellschaft | Continuous preparation of aqueous melamine/formaldehyde precondensate solutions |
| CN102838744A (en) * | 2012-10-03 | 2012-12-26 | 上海会博新材料科技有限公司 | Continuous production device for poly-p-phenylene terephthamide resin |
| CN203985860U (en) * | 2014-07-08 | 2014-12-10 | 阳政精机（无锡）有限公司 | A kind of conveying device for semisolid edible oil and fat |
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| Publication number | Publication date |
|---|---|
| CN106188453A (en) | 2016-12-07 |
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