CN106140060A - A kind of device of continuous production melamine resin - Google Patents
A kind of device of continuous production melamine resin Download PDFInfo
- Publication number
- CN106140060A CN106140060A CN201610623090.9A CN201610623090A CN106140060A CN 106140060 A CN106140060 A CN 106140060A CN 201610623090 A CN201610623090 A CN 201610623090A CN 106140060 A CN106140060 A CN 106140060A
- Authority
- CN
- China
- Prior art keywords
- chuck
- screw machine
- melamine resin
- continuous production
- stirred tank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229920000877 Melamine resin Polymers 0.000 title claims abstract description 34
- 239000004640 Melamine resin Substances 0.000 title claims abstract description 30
- 238000010924 continuous production Methods 0.000 title claims abstract description 15
- 239000000203 mixture Substances 0.000 claims abstract description 12
- 229930040373 Paraformaldehyde Natural products 0.000 claims abstract description 7
- 239000002671 adjuvant Substances 0.000 claims abstract description 7
- 239000003513 alkali Substances 0.000 claims abstract description 7
- 229920002866 paraformaldehyde Polymers 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 10
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 239000000126 substance Substances 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- IVJISJACKSSFGE-UHFFFAOYSA-N formaldehyde;1,3,5-triazine-2,4,6-triamine Chemical compound O=C.NC1=NC(N)=NC(N)=N1 IVJISJACKSSFGE-UHFFFAOYSA-N 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 229920003180 amino resin Polymers 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 235000012907 honey Nutrition 0.000 description 1
- 150000007529 inorganic bases Chemical class 0.000 description 1
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 150000007530 organic bases Chemical class 0.000 description 1
- 239000011236 particulate material Substances 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000009719 polyimide resin Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 235000015424 sodium Nutrition 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
Classifications
-
- 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
-
- 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
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/001—Feed or outlet devices as such, e.g. feeding tubes
-
- 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
-
- 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
- B01J2204/00—Aspects relating to feed or outlet devices; Regulating devices for feed or outlet devices
- B01J2204/007—Aspects relating to the heat-exchange of the feed or outlet devices
-
- 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
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00002—Chemical plants
- B01J2219/00027—Process aspects
- B01J2219/00033—Continuous processes
-
- 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
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
- B01J2219/00087—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor
- B01J2219/00094—Jackets
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Phenolic Resins Or Amino Resins (AREA)
Abstract
The present invention discloses the device of a kind of continuous production melamine resin, belong to technical field of chemical, including the mixture feed bin being sequentially connected with, product pump, first screw machine, stirred tank and the second screw machine, described mixture feed bin is connected with having tripolycyanamide high compartment and paraformaldehyde high compartment respectively, the feed end of described first screw machine arranges alkali liquor charging aperture, the feed end of described first screw rod, centre position or end are provided with adjuvant charging aperture, the discharge port end of described first screw machine is connected with the charging aperture of described stirred tank, the feed inlet end of described second screw machine is connected with described stirred tank discharge port end.The device production process raw material availability producing continuously melamine resin of invention is high, energy consumption is low, yield is high, without three wastes generation, can be with the stable melamine resin of the continuous print quality of production, and the product quality of melamine resin is good.
Description
Technical field
The present invention relates to technical field of chemical, particularly to the device of a kind of continuous production melamine resin.
Background technology
Melamine resin, also known as melamine resin (melamine-formaldehyde resin), melamine formaldehyde (MF) tree
Fat, is the polymer obtained by tripolycyanamide reacts with formaldehyde.Crosslinking reaction during machine-shaping, goods are insoluble thermosetting
Property resin.The most often it and Lauxite are referred to as amino resins.
Melamine resin can be made into melamino-formaldehyde foam through foamable reaction, and this foam is nonflammable, water-fast, heat-resisting,
Electric arc ageing-resistant, resistance to, resistance to chemical attack, there is good insulating properties, glossiness and mechanical strength, the most also there is good suction
Audio fruit.Therefore, it is widely used in building, the automobile even sound-absorbing and flame-retardant of aircraft carrier, submarine etc..
At present, existing melamine resin produces main employing batch production method, and the capital equipment of the method is reaction
Still, the production cycle is long, and prepared product viscosity is big.
Summary of the invention
The present invention provides the device of a kind of continuous production melamine resin, solves existing melamine resin preparation process discontinuous
Problem.
For solving above-mentioned technical problem, the technical scheme is that
The device of a kind of continuous production melamine resin, including the mixture feed bin being sequentially connected with, product pump, the first screw rod
Machine, stirred tank and the second screw machine, described mixture feed bin is connected with tripolycyanamide high compartment and paraformaldehyde high compartment respectively,
The feed end of described first screw machine arranges alkali liquor charging aperture, and feed end, centre position or the end of described first screw machine set
Being equipped with adjuvant charging aperture, the discharge port end of described first screw machine is connected with the charging aperture of described stirred tank, described second screw rod
The feed inlet end of machine is connected with described stirred tank discharge port end, and described second screw machine is high higher than the level of described first screw machine
Degree.
Wherein it is preferred to, the cylinder of described first screw machine is outside equipped with four sections of chucks, the respectively first chuck, second
Chuck, the 3rd chuck, the 4th chuck, described first chuck, described second chuck, described 3rd chuck, described 4th chuck divide
It is not connected with four die heaters.
Wherein it is preferred to, the die heater preset temperature being connected with described first chuck is 80～110 DEG C, with described second
The die heater preset temperature that chuck connects is 95～150 DEG C, and the die heater preset temperature being connected with described 3rd chuck is 100
～160 DEG C, the die heater preset temperature being connected with described 4th chuck is 90～140 DEG C.
Wherein it is preferred to, the cylinder of described second screw machine is outside equipped with the 5th chuck, is connected with die heater.
Wherein it is preferred to, the die heater preset temperature being connected with described second screw machine is 65～95 DEG C.
Wherein it is preferred to, the material time of staying in described first screw machine is 5～10min.
Wherein it is preferred to, the material time of staying in described second screw machine is 25～45min.
Wherein it is preferred to, described stirred tank is outside equipped with the 6th chuck, the die heater being connected with described 6th chuck pre-
If temperature is 90～100 DEG C.
Beneficial effects of the present invention:
1. the device production process raw material availability producing melamine resin continuously of the present invention is high, energy consumption is low, yield is high, nothing
The three wastes produce, can be with the stable melamine resin of the continuous print quality of production, and the product quality of melamine resin is good.
Continuity of production process the most of the present invention is good, and action required personnel are few, and automaticity is high.
3. use process units of the present invention with short production cycle, constant product quality.
4. use process units production process safety of the present invention.
Process units simple in construction the most of the present invention, small investment, occupation of land are few.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, also may be used
To obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 present invention prepares the structural representation of melamine resin device.
In figure, 1. mixture feed bin, 2. product pump, 3. the first screw machine, 4. the second screw machine, 5. tripolycyanamide is high-order
Storehouse, 6. paraformaldehyde high compartment, 7. alkali liquor charging aperture, 8. adjuvant charging aperture, 9. the first chuck, 10. the second chuck, 11. the 3rd
Chuck, 12. the 4th chucks, 13. the 5th chucks, 14. die heaters, 15. stirred tanks, 16. the 6th chucks
Detailed description of the invention
Below the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment
It is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, the common skill in this area
The every other embodiment that art personnel are obtained under not making creative work premise, broadly falls into the model of present invention protection
Enclose.
As it is shown in figure 1, the present embodiment provides the device of a kind of continuous production melamine resin, including the mixture being sequentially connected with
Feed bin 1, product pump the 2, first screw machine 3, stirred tank 15 and the second screw machine 4, mixture feed bin 1 is high-order with tripolycyanamide respectively
Storehouse 5 and paraformaldehyde high compartment 6 connect, and arrange alkali liquor charging aperture 7, the end of the first screw machine 3 at the charging of the first screw machine 3
It is provided with adjuvant charging aperture 8.The discharge port end of the first screw machine 3 is connected with the charging aperture of stirred tank 15, and (stirred tank needs with often
The speed stirring of minutes 20 turns, ensures first in first out simultaneously) feed inlet end of the second screw machine 4 is with stirred tank 15 discharge port end even
Connect.In the present invention, adjuvant charging aperture 8 may also be arranged on centre position or the end of the first screw machine 3.Second screw machine 4 is higher than
The height of the first screw machine 3, to accomplish the bottom in and top out of material, it is ensured that to the technique effect of the first in first out of material.
When using the present embodiment to prepare melamine resin, tripolycyanamide is powder, and paraformaldehyde is particulate material, the solvent of reaction
For the alkali liquor added at the charging of the first screw machine 3, wherein, alkali liquor be mass ratio be 0.2～0.5% organic base or inorganic base
Aqueous solution.The adjuvant added is one or more inorganic sodiums.Use the equipment of the present embodiment, powdery melamine before the reaction
Amine and graininess paraformaldehyde mix homogeneously in mixture feed bin 1, mixture feed bin 1 ensure that material is the most in proportion
Uniform feeding.
Wherein, the cylinder of the first screw machine 3 is outside equipped with four sections of chucks, respectively first chuck the 9, second chuck 10,
Three chuck the 11, the 4th chucks 12, first chuck the 9, second chuck the 10, the 3rd chuck the 11, the 4th chuck 12 respectively with four Tai Mowen
Machine 14 connects.Die heater 14 preset temperature being connected with the first chuck 9 is 80～110 DEG C, the mould temperature being connected with the second chuck 10
Machine 14 preset temperature is 95～150 DEG C, and die heater 14 preset temperature being connected with the 3rd chuck 11 is 100～160 DEG C, with the 4th
Die heater 14 preset temperature that chuck 12 connects is 90～140 DEG C.Four sections of chucks are set, make material keep not in the different time
Same temperature, being more beneficial for reacting balance has the carrying out of control.
Adjust the rotating speed of the screw rod of the first screw machine 3, make the material time of staying in the first screw machine 3 be 5～
10min。
Wherein, the cylinder of the second screw machine 4 is outside equipped with the 5th chuck 13, is connected, with the second screw rod with protecting die heater 14
The die heater preset temperature that machine 4 connects is 65～95 DEG C.
Adjust the rotating speed of the screw rod of the second screw machine 4, make the material time of staying in the second screw machine 4 be 25～
45min。
In order to ensure that polyreaction proceeds, stirred tank 15 is outside equipped with the 6th chuck, is connected with described 6th chuck
The preset temperature of die heater be 90～100 DEG C.
The device producing continuously melamine resin of the present embodiment can be with the stable melamine resin of the continuous print quality of production, and honey
The product quality of polyimide resin is good.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Within god and principle, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (8)
1. the device of a continuous production melamine resin, it is characterised in that: the mixture feed bin that includes being sequentially connected with, product pump,
First screw machine, stirred tank and the second screw machine, described mixture feed bin is high with tripolycyanamide high compartment and paraformaldehyde respectively
Compartment connects, and the feed end of described first screw machine arranges alkali liquor charging aperture, the feed end of described first screw machine, centre position
Or end is provided with adjuvant charging aperture, the discharge port end of described first screw machine is connected with the charging aperture of described stirred tank, described
The feed inlet end of the second screw machine is connected with described stirred tank discharge port end, and described second screw machine is higher than described first screw machine
Level height.
The device of a kind of continuous production melamine resin the most according to claim 1, it is characterised in that: described first screw machine
Cylinder be outside equipped with four sections of chucks, the respectively first chuck, the second chuck, the 3rd chuck, the 4th chuck, described first folder
Set, described second chuck, described 3rd chuck, described 4th chuck are connected with four die heaters respectively.
The device of a kind of continuous production melamine resin the most according to claim 2, it is characterised in that: with described first chuck
The die heater preset temperature connected is 80～110 DEG C, and the die heater preset temperature being connected with described second chuck is 95～150
DEG C, the die heater preset temperature being connected with described 3rd chuck is 100～160 DEG C, the die heater being connected with described 4th chuck
Preset temperature is 90～140 DEG C.
The device of a kind of continuous production melamine resin the most according to claim 1, it is characterised in that: described second screw machine
Cylinder be outside equipped with the 5th chuck, be connected with die heater.
The device of a kind of continuous production melamine resin the most according to claim 5, it is characterised in that: with described second screw rod
The die heater preset temperature that machine connects is 60～100 DEG C.
The device of a kind of continuous production melamine resin the most according to claim 1, it is characterised in that: material is described first
The time of staying in screw machine is 5～10min.
The device of a kind of continuous production melamine resin the most according to claim 1, it is characterised in that: material is described second
The time of staying in screw machine is 25～45min.
The device of a kind of continuous production melamine resin the most according to claim 1, it is characterised in that: described stirred tank peripheral hardware
Being equipped with the 6th chuck, the preset temperature of the die heater being connected with described 6th chuck is 90～100 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610623090.9A CN106140060A (en) | 2016-08-02 | 2016-08-02 | A kind of device of continuous production melamine resin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610623090.9A CN106140060A (en) | 2016-08-02 | 2016-08-02 | A kind of device of continuous production melamine resin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106140060A true CN106140060A (en) | 2016-11-23 |
Family
ID=57328083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610623090.9A Pending CN106140060A (en) | 2016-08-02 | 2016-08-02 | A kind of device of continuous production melamine resin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106140060A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109569477A (en) * | 2018-11-09 | 2019-04-05 | 杨建强 | A kind of Screw Extrusion-autoclave stirring combination type reactor and its application |
Citations (2)
| 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 |
-
2016
- 2016-08-02 CN CN201610623090.9A patent/CN106140060A/en active Pending
Patent Citations (2)
| 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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109569477A (en) * | 2018-11-09 | 2019-04-05 | 杨建强 | A kind of Screw Extrusion-autoclave stirring combination type reactor and its application |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161123 |
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