CN106565924B - A kind of melamine resin process units with cooling device - Google Patents
A kind of melamine resin process units with cooling device Download PDFInfo
- Publication number
- CN106565924B CN106565924B CN201610900891.5A CN201610900891A CN106565924B CN 106565924 B CN106565924 B CN 106565924B CN 201610900891 A CN201610900891 A CN 201610900891A CN 106565924 B CN106565924 B CN 106565924B
- Authority
- CN
- China
- Prior art keywords
- cooling device
- screw machine
- process units
- melamine resin
- stirring
- 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.)
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- 238000001816 cooling Methods 0.000 title claims abstract description 54
- 229920000877 Melamine resin Polymers 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000004640 Melamine resin Substances 0.000 title claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 15
- 229920005989 resin Polymers 0.000 claims abstract description 15
- 239000011347 resin Substances 0.000 claims abstract description 15
- 239000000203 mixture Substances 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims abstract description 6
- 238000009826 distribution Methods 0.000 claims abstract description 5
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229920002866 paraformaldehyde Polymers 0.000 claims abstract description 5
- 229930040373 Paraformaldehyde Natural products 0.000 claims abstract description 4
- 238000003756 stirring Methods 0.000 claims description 39
- 239000006260 foam Substances 0.000 abstract description 6
- 239000000126 substance Substances 0.000 abstract description 2
- WSFSSNUMVMOOMR-UHFFFAOYSA-N formaldehyde Substances O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 8
- 238000005187 foaming Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000005265 energy consumption Methods 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
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003486 chemical etching Methods 0.000 description 1
- 235000019628 coolness Nutrition 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 150000007974 melamines Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
Classifications
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Phenolic Resins Or Amino Resins (AREA)
Abstract
The present invention discloses a kind of melamine resin process units with cooling device, belong to chemical equipment technical field, including sequentially connected mixture feed bin, product pump, first screw machine, second screw machine, third screw machine and distribution device, mixture feed bin is connect with the high compartment of melamine and the high compartment of paraformaldehyde respectively, lye feed pipe and auxiliary material feed pipe are provided on first screw machine, cooling device is provided between second screw machine and third screw machine, the top of cooling device is cylindrical structure, the feed inlet of cooling device is connect with the discharge port of the second screw machine, collet cooling device is provided with outside cooling device, the bottom of cooling device is provided with discharge port, discharge port is connect with resin pump, the material liquid outlet of resin pump is connect with the feed inlet of third screw machine.The present invention is provided with collet cooling device between the second screw machine and third screw machine, and input resin temperature is controllable when the later period foams, guarantee foam process batch between uniformity.
Description
Technical field
The present invention relates to chemical equipment technical field, in particular to the life of a kind of melamino-formaldehyde with cooling device
Produce 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, the production cycle is long, and product viscosity obtained is big, since interval time is long when the later period inputs the distribution device of foaming, resin
Temperature is not easily controlled, and influences the foaming of the melamine resin in later period.
Summary of the invention
The present invention provides a kind of process units of melamino-formaldehyde with cooling device, solves existing process units
The problem of melamino-formaldehyde product temperature not easy to control and then the foaming of influence later period.
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 cooling device, including sequentially connected mixture feed bin,
Product pump, the first screw machine, the second screw machine, third screw machine and distribution device, the mixture feed bin respectively with melamine
The high compartment of amine is connected with the high compartment of paraformaldehyde, and lye feed pipe and auxiliary material feed pipe, institute are provided on first screw machine
It states and is provided with cooling device between the second screw machine and the third screw machine, the top of the cooling device is cylindrical structure,
The lower part of the cooling device is pyramidal structure, and the side of the cylindrical structure is provided with feed inlet, the feed inlet with it is described
The discharge port of second screw machine connects, and collet cooling device, the bottom setting of the cooling device are arranged outside the cooling device
There is discharge port, the discharge port is connect with resin pump, the feed inlet of the material liquid outlet of the resin pump and the third screw machine
Connection.
Wherein it is preferred to be provided with strainer at the feed inlet of the cooling device.
Wherein it is preferred to which agitating device is arranged in the cooling device, the agitating device includes agitating shaft, described to stir
It mixes shaft end and is fixedly connected with agitator arm.
Wherein it is preferred to which the agitator arm includes stirring leaf dish and multiple groups stirring blade, the stirring leaf dish is fixed to be connected
It connects in the stirring the tip of the axis, every group of stirring blade is made of two identical stirring blades, two stirring blade phases
Stirring leaf dish is symmetrical arranged, the stirring blade is strip domes, and one end of the stirring blade is fixed on described stir
It mixes in leaf dish.
Wherein it is preferred to the cross section of the stirring blade is arc, the corresponding central angle of the arc is 40 °~
60°。
Wherein it is preferred to which the feed end of first screw machine is arranged in the lye feed pipe.
Wherein it is preferred to which feed end, middle position or the end of first screw machine is arranged in the auxiliary material feed pipe
End.
Wherein it is preferred to which the collet cooling device is connect with die heater, the preset temperature of the die heater is 30~40
℃。
Beneficial effects of the present invention:
1. the present invention is provided with collet cooling device between the second screw machine and third screw machine, the later period inputs when foaming
Resin temperature is controllable, guarantee foam process batch between uniformity.
2. raw material availability is high during producing melamine resin, low energy consumption for process units of the invention,
High income, no three wastes generate, can the continuously stable melamine resin of the quality of production, and melamine resin
Product quality it 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.
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 melamino-formaldehyde process units in the present invention with cooling device.
Fig. 2 is the portion A partial enlarged view in Fig. 1；
Fig. 3 is agitator arm overlooking structure diagram in the present invention.
In figure, 1. mixture feed bins, 2. product pumps, 3. first screw machines, 4. second screw machines, 5. third screw machines, 6.
Distribution device, the high compartment of 7. melamines, the high compartment of 8. paraformaldehydes, 9. lye feed pipes, 10. auxiliary material feed pipes, 11. coolings
Device, 12. resin pumps, 13. agitating shafts, 14. agitator arms, 15. stirring blades, 16. die heaters
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 shown in FIG. 1 to 3, the present embodiment provides a kind of, and the melamine resin with cooling device 11 produces dress
It sets, including sequentially connected mixture feed bin 1, product pump 2, the first screw machine 3, the second screw machine 4, third screw machine 5 and cloth
Expect that device 6, mixture feed bin 1 connect with the high compartment 7 of melamine and the high compartment 8 of paraformaldehyde respectively, set on the first screw machine 3
It is equipped with polybase liquid feed pipe 9 and auxiliary material feed pipe 10, is provided with cooling device 11 between the second screw machine 4 and third screw machine 5,
The top of cooling device 11 is cylindrical structure, and the lower part of cooling device 11 is pyramidal structure, the side of cylindrical structure be provided with into
Material mouth, feed inlet are connect with the discharge port of the second screw machine 4, and collet cooling device, cooling device are provided with outside cooling device 11
11 bottom is provided with discharge port, and discharge port is connect with resin pump 12, the material liquid outlet of resin pump 12 and the third screw machine 5
Feed inlet connection.
Collet cooling device is connect with die heater 16, and the preset temperature of die heater 16 is 30~40 DEG C.Collet cooling device
Connect with die heater 16, accurately control the temperature of the material in cooling device 11, thus guarantee subsequent foam process batch between
Uniformity.
Strainer (not shown) is provided at the feed inlet of cooling device 11, which can be currently used filter
Net also be easy to cause hair if there is the resin of bulky grain for filtering in resin blocky or particulate matter in the foaming in later period
Steep non-uniform situation.
Agitating device is provided in cooling device 11, agitating device includes agitating shaft 13, and 13 end of agitating shaft is fixedly connected
There is agitator arm 14.Agitator arm 14 includes stirring leaf dish and multiple groups stirring blade 15, and stirring leaf dish is fixedly connected on agitating shaft
13 end, every group of stirring blade 15 are made of two identical stirring blades 15, the opposite stirring leaf dish of two stirring blades 15
It is symmetrical arranged, stirring blade 15 is strip domes, and one end of stirring blade 15 is fixed in stirring leaf dish.Stirring blade 15
Cross section be arc, the corresponding central angle of arc be 45 °.In the present invention, central angle corresponding to the arc can be 40 °
~60 °.14 impeller of agitator arm is symmetrical arranged using two stirring blades 15, and the stirring is made to fill four sections of radial flow (edge
The radial discharge capacity of paddle) and axial discharge capacity (along the axial discharge capacity of paddle) increase severely simultaneously, and energy consumption is lower.
The feed end of the first screw machine 3 is arranged in polybase liquid feed pipe 9.
The end of the first screw machine 3 is arranged in auxiliary material feed pipe 10, and in the present invention, auxiliary material feed inlet also can be set
The feed end of first screw machine 3 or middle position.
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 cooling device, including sequentially connected mixture feed bin, object
Expect pump, the first screw machine, the second screw machine, third screw machine and distribution device, the mixture feed bin respectively with melamine
High compartment is connected with the high compartment of paraformaldehyde, and lye feed pipe and auxiliary material feed pipe are provided on first screw machine, special
Sign is: cooling device is provided between second screw machine and the third screw machine, the top of the cooling device is
The lower part of cylindrical structure, the cooling device is pyramidal structure, and the side of the cylindrical structure is provided with feed inlet, the charging
Mouth is connect with the discharge port of second screw machine, and collet cooling device, the cooling device are provided with outside the cooling device
Bottom be provided with discharge port, the discharge port is connect with resin pump, the material liquid outlet of the resin pump and the third screw rod
The feed inlet of machine connects.
2. a kind of melamine resin process units with cooling device according to claim 1, feature exist
In: strainer is provided at the feed inlet of the cooling device.
3. a kind of melamine resin process units with cooling device according to claim 1, feature exist
In: agitating device is provided in the cooling device, the agitating device includes agitating shaft, and the stirring shaft end is fixedly connected
There is agitator arm.
4. a kind of melamine resin process units with cooling device according to claim 3, feature exist
In: the agitator arm includes that stirring leaf dish and multiple groups stirring blade, the stirring leaf dish are fixedly connected on the agitating shaft
End, every group of stirring blade are made of two identical stirring blades, and the opposite stirring leaf dish of two stirring blades is symmetrically set
It sets, the stirring blade is strip domes, and one end of the stirring blade is fixed in the stirring leaf dish.
5. a kind of melamine resin process units with cooling device according to claim 4, feature exist
It is arc in: the cross section of the stirring blade, the corresponding central angle of the arc is 40 °~60 °.
6. a kind of melamine resin process units with cooling device according to claim 1, feature exist
In: the feed end of first screw machine is arranged in the lye feed pipe.
7. a kind of melamine resin process units with cooling device according to claim 1, feature exist
In: feed end, middle position or the end of first screw machine is arranged in the auxiliary material feed pipe.
8. a kind of melamine resin process units with cooling device according to claim 1, feature exist
In: the collet cooling device is connect with die heater, and the preset temperature of the die heater is 30~40 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610900891.5A CN106565924B (en) | 2016-10-17 | 2016-10-17 | A kind of melamine resin process units with cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610900891.5A CN106565924B (en) | 2016-10-17 | 2016-10-17 | A kind of melamine resin process units with cooling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106565924A CN106565924A (en) | 2017-04-19 |
| CN106565924B true CN106565924B (en) | 2018-12-28 |
Family
ID=58532945
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610900891.5A Active CN106565924B (en) | 2016-10-17 | 2016-10-17 | A kind of melamine resin process units with cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106565924B (en) |
Citations (4)
| 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 |
| CN102702460A (en) * | 2012-05-10 | 2012-10-03 | 戴新春 | Novel preparation and continuous production method of melamine resin |
| CN104774427A (en) * | 2015-05-07 | 2015-07-15 | 成都玉龙化工有限公司 | High-density soft melamine foam and preparing method |
| CN105731857A (en) * | 2016-02-20 | 2016-07-06 | 深圳爱易瑞科技有限公司 | Novel sulfonation melamino-formaldehyde resin and preparation method thereof |
-
2016
- 2016-10-17 CN CN201610900891.5A patent/CN106565924B/en active Active
Patent Citations (4)
| 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 |
| CN102702460A (en) * | 2012-05-10 | 2012-10-03 | 戴新春 | Novel preparation and continuous production method of melamine resin |
| CN104774427A (en) * | 2015-05-07 | 2015-07-15 | 成都玉龙化工有限公司 | High-density soft melamine foam and preparing method |
| CN105731857A (en) * | 2016-02-20 | 2016-07-06 | 深圳爱易瑞科技有限公司 | Novel sulfonation melamino-formaldehyde resin and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN106565924A (en) | 2017-04-19 |
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