CN106378899A - Microwave foaming and post-processing device of melamine-formaldehyde resin - Google Patents
Microwave foaming and post-processing device of melamine-formaldehyde resin Download PDFInfo
- Publication number
- CN106378899A CN106378899A CN201610856451.4A CN201610856451A CN106378899A CN 106378899 A CN106378899 A CN 106378899A CN 201610856451 A CN201610856451 A CN 201610856451A CN 106378899 A CN106378899 A CN 106378899A
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- CN
- China
- Prior art keywords
- microwave
- cavity
- melamine resin
- drying
- foaming
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- 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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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/3415—Heating or cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/35—Component parts; Details or accessories
-
- 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 invention discloses a microwave foaming and post-processing device of melamine-formaldehyde resin, and belongs to the technical field of microwave foaming devices of resin. The device comprises a microwave cavity and a curing and drying cavity. A plurality of drying microwave sources are arranged at the top of the curing and drying cavity, hot air diffusing pipe networks are arranged on the side wall of the curing and drying cavity and are connected to a hot air pipeline, the hot air pipeline is connected to a heating device, air outlets are formed in the top of the curing and drying cavity, electric valves are arranged at the air outlets, and the air outlets are connected to an air outlet pipeline through the electric valves. According to the device, both a traditional hot air drying device and the microwave sources are arranged inside curing and drying cavity, foamed plastic undergoes secondary foaming, the foaming capacity and the uniformity of the foamed plastic are improved, the stability of the foamed plastic in subsequent use is improved, and the problems that formaldehyde is released and the size is changed after the melamine-formaldehyde resin is placed for a long time are avoided.
Description
Technical field
The present invention relates to resin microwave foam device technical field, particularly to a kind of foaming of melamine resin microwave and rear place
Reason device.
Background technology
Melamine resin, also known as melamine resin (melamine-formaldehyde resin), melamine formaldehyde (MF) tree
Fat, is the polymer obtained by tripolycyanamide is reacted with formaldehyde.Reaction is crosslinked, product is insoluble thermosetting during machine-shaping
Property resin, traditionally often it is referred to as amino resins with Lauxite.
Melamine resin foam is with melamine resin as matrix, a kind of resistance being obtained through special foam process
Combustion foam plasticss.Its quality is lighter, has that excellent anti-flammability, thermal insulation, heat stability, sound-absorbing be sound-deadening properties, safety and sanitation
With good secondary workability, can be widely applied to the fields such as building, machinery, chemical industry, transportation.Melamine formaldehyde resin
Solidification be interlaced with triazine interannular by methylene or dimethylene, so melamine resin through foaming
Afterwards, the foamed open cell rate of formation is higher, and pore structure is uniform.However, the melamine resin foam that existing process units produces exists
Foaming is uneven, fragility is big, easy dry linting, tensile tear strength are low, subsequently constantly release formaldehyde the problems such as, cause the use of product
Rate is low.
Content of the invention
The present invention provides a kind of melamine resin microwave foaming and after-treatment device, solves existing melamine resin foam follow-up
The constantly problem of release formaldehyde.
For solving above-mentioned technical problem, the technical scheme is that：
A kind of melamine resin microwave foaming and after-treatment device, dry cavity including microwave cavity and ripening,：Described ripening
The top drying cavity is provided with multiple drying microwave sources, and described ripening is dried and is provided with hot blast anemostat on the side wall of cavity
Net, described hot blast diffusion pipe network is connected with hot air duct, and described hot air duct is connected with heater, and cavity is dried in described ripening
Top be provided with air outlet, air outlet is provided with electrically operated valve, and air outlet is connected with wind pipe by electrically operated valve.
Wherein it is preferred to, multiple drying microwave sources that cavity top is dried in described ripening divide two row's distributions, often arrange 5, often
The power of individual microwave source is 1kW.
Wherein it is preferred to, the described microwave frequency drying microwave source is 915MHz.
Wherein it is preferred to, the front of described microwave cavity is provided with prefoam microwave cavity, described pre- microwave cavity of firing
Roof and each little microwave source of two rows of arranging of diapire, often arrange 5 little microwave sources, the power of each little microwave source is 1kW, described micro-
It is provided with, on the top roof of ripple cavity, the microwave source that a power is 20kW.
Wherein it is preferred to, the microwave frequency in described microwave cavity is 915MHz.
Wherein it is preferred to, the microwave frequency in described prefoam microwave cavity is 2450MHz, described prefoam microwave cavity
It is provided with microwave check section between body and described microwave cavity.
Wherein it is preferred to, the microwave frequency in described prefoam microwave cavity is 915MHz.
Beneficial effects of the present invention：
1. the present invention is not provided only with traditional hot-air drying device in ripening drying cavity body, is additionally provided with microwave source,
Make foam carry out second time of foaming, not only increase frothing percentage and the uniformity of foam, also improve foam in subsequent use
Stability, if the release problem of formaldehyde, change in volume problem after long-time placement.
2. process units of the present invention is provided with prefoam microwave cavity before microwave cavity, first carries out pre- before foaming
Bubble, efficiently avoid resin expanded during, because raying is uneven, and the uneven problem of the foam density that causes.
3. the melamine resin foam fragility of present invention preparation is little, be difficult dry linting, draw that to stretch tearing strength high, efficiently solves
Problems of the prior art, and make melamino-formaldehyde foam have good mechanical performance and fire-retardant performance muffler.
Brief description
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
Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this
Some embodiments of invention, for those of ordinary skill in the art, put after not paying creative work, acceptable
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of melamine resin microwave foaming and after-treatment device in the present invention.
In figure, 1. microwave cavity, cavity is dried in 2. ripening, 3. dries microwave source, 4. hot blast diffusion pipe network, 5. warm-air pipe
Road, 6. heater, 7. air outlet, 8. electrically operated valve, 9. wind pipe, 10. prefoam microwave cavity, 11. little microwave sources,
12. microwave sources, 13. draught hoods, 14. air draft pipes, 15. heat reclamation type emission-control equipments, 16. negative-pressure air fans, 17. air-supplies
Cover, 18. air supply ducts, 19. volume dampers
Specific embodiment
Below the embodiment it is clear that described is clearly and completely described to the technical scheme in the embodiment of the present invention
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 the premise of not making creative work, broadly falls into the model of present invention protection
Enclose.
Embodiment 1
As shown in figure 1, the present embodiment provides a kind of melamine resin microwave foaming and after-treatment device, including microwave cavity 1
Dry cavity 2 with ripening, the top that cavity 2 is dried in ripening is provided with multiple drying microwave sources 3, and the side wall of cavity 2 is dried in ripening
On be provided with hot blast diffusion pipe network 4, hot blast diffusion pipe network 4 be connected with hot air duct 5, hot air duct 5 is connected with heater 6,
The top that cavity 2 is dried in ripening is provided with air outlet 7, is provided with electrically operated valve 8 at air outlet 7, and air outlet 7 passes through electrically operated valve
8 are connected with wind pipe 9.The present embodiment is dried in cavity 2 in ripening and is not provided only with traditional hot-air drying device, also sets up
There is microwave source 12, make foam carry out second time of foaming, not only increase frothing percentage and the uniformity of foam, also improve foam follow-up
Use in stability, if long-time place after the release problem of formaldehyde, change in volume problem.
3 point of two row's distribution of multiple drying microwave sources at cavity 2 top is dried in ripening, often arranges 5, the power of each microwave source
For 1kW, the microwave frequency drying microwave source 3 is 915MHz.It is provided with multiple drying microwave sources 3, second time of foaming can be made more equal
Even, meanwhile, microwave also effectively accelerates the efficiency of hot air drying.
Wherein, the front of microwave cavity 1 is provided with prefoam microwave cavity 10, the roof of microwave cavity of firing in advance and diapire
Each arrangement little microwave source of two rows 11, often arranges 5 little microwave sources 11, the power of each little microwave source 11 is 1kW, microwave cavity 1
The microwave source 12 that one power is 20kW is provided with the roof of top.First carry out prefoam before foaming, efficiently avoid resin
In foaming process, because raying is uneven, and the uneven problem of the foam density that causes.
Wherein, the microwave frequency in microwave cavity 1 is 915MHz, and the microwave frequency in prefoam microwave cavity 10 is
2450MHz, because the microwave frequency of the two is different, for avoiding the microwave in cavity to interfere, in prefoam microwave cavity 10
It is provided with microwave check section and microwave cavity 1 between.
Wherein, microwave cavity 1 top is provided with draught hood 13, and draught hood 13 passes through air draft pipe 14 and heat reclamation type waste gas
Processing meanss 15 connect, and air draft pipe 14 is provided with negative-pressure air fan 16, ripening cavity top is dried and is provided with air blowing hood 17, send
Fan housing 17 is connected with heat reclamation type emission-control equipment 15 air outlet 7 by air supply duct 18, is provided with wind in air supply duct 18
Adjustable valve 19.
Wherein sending out cavity adopts microwave to foam (foamed time 5～10min), and the substantially all volatilization of pentane during being somebody's turn to do contains
There is waste gas (a small amount of VOC gas that in pentane, heating process, the very small amount free formaldehyde of generation, the volatilization of other auxiliary agents produce of pentane
Body etc.) burnt by negative-pressure air fan 16 feeding heat reclamation type waste gas treatment equipment, waste gas treatment equipment burning during recuperation of heat
The hot blast providing is sent into ripening section and is dried ripening to nanometer foam.After the recovered burning of pentane evaporating, generation
Heat is sent into ripening section and is dried ripening to nanometer foam, significantly reduces production cost, and makes whole production line more
Environmental protection.
Embodiment 2
As shown in figure 1, the present embodiment provides a kind of melamine resin microwave foaming and after-treatment device, in the present embodiment,
The front of microwave cavity 1 is provided with prefoam microwave cavity 10, and the microwave frequency in prefoam microwave cavity 10 is 915MHz, micro-
Microwave frequency in ripple cavity is 915MHz.Because the microwave frequency of the two is consistent, do not need therebetween to arrange microwave more inverse
Only section.
The other structures of the present embodiment are identical all with implementing 1, will not be described here.
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 made etc., should be included within the scope of the present invention.
Claims (7)
1. a kind of foaming of melamine resin microwave and after-treatment device, include microwave cavity and ripening drying cavity it is characterised in that：
The top that cavity is dried in described ripening is provided with multiple drying microwave sources, and described ripening is dried and is provided with hot blast on the side wall of cavity
Diffusion pipe network, described hot blast diffusion pipe network is connected with hot air duct, and described hot air duct is connected with heater, and described ripening is dried
The top of dry cavity is provided with air outlet, and air outlet is provided with electrically operated valve, and air outlet passes through electrically operated valve and wind pipe
Connect.
2. a kind of melamine resin microwave foaming according to claim 1 and after-treatment device it is characterised in that：Described ripening
The multiple drying microwave sources drying cavity top divide two row's distributions, often arrange 5, and the power of each microwave source is 1kW.
3. a kind of melamine resin microwave foaming according to claim 2 and after-treatment device it is characterised in that：Described drying
The microwave frequency of microwave source is 915MHz.
4. a kind of melamine resin microwave foaming according to claim 1 and after-treatment device it is characterised in that：Described microwave
The front of cavity is provided with prefoam microwave cavity, the roof of described pre- microwave cavity of firing and each little microwave of two rows of arranging of diapire
Source, often arranges 5 little microwave sources, the power of each little microwave source is 1kW, and the top roof of described microwave cavity is provided with a work(
Rate is the microwave source of 20kW.
5. a kind of melamine resin microwave foaming according to claim 4 and after-treatment device it is characterised in that：Described microwave
Microwave frequency in cavity is 915MHz.
6. a kind of melamine resin microwave foaming according to claim 4 and after-treatment device it is characterised in that：Described pre-
Microwave frequency in bubble microwave cavity is 2450MHz, is provided with micro- between described prefoam microwave cavity and described microwave cavity
Ripple check section.
7. a kind of melamine resin microwave foaming according to claim 4 and after-treatment device it is characterised in that：Described pre-
Microwave frequency in bubble microwave cavity is 915MHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610856451.4A CN106378899A (en) | 2016-09-27 | 2016-09-27 | Microwave foaming and post-processing device of melamine-formaldehyde resin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610856451.4A CN106378899A (en) | 2016-09-27 | 2016-09-27 | Microwave foaming and post-processing device of melamine-formaldehyde resin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106378899A true CN106378899A (en) | 2017-02-08 |
Family
ID=57937403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610856451.4A Pending CN106378899A (en) | 2016-09-27 | 2016-09-27 | Microwave foaming and post-processing device of melamine-formaldehyde resin |
Country Status (1)
| Country | Link |
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| CN (1) | CN106378899A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106965400A (en) * | 2017-04-10 | 2017-07-21 | 杭州澳利斯橡塑保温材料有限公司 | A kind of production system of heat insulating material |
| CN109049485A (en) * | 2018-09-18 | 2018-12-21 | 咸阳陶瓷研究设计院有限公司 | A kind of inorganic sponge water-storage material foamable is set with drying integrated makeup |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4685872A (en) * | 1986-02-01 | 1987-08-11 | Hans Erlenbach | Machine for the production of molded parts from foamed plastic |
| CN202278701U (en) * | 2011-11-03 | 2012-06-20 | 杭州方圆塑料机械有限公司 | Vacuum barrel body of fully-automatic foamed plastic vacuum pre-foaming machine |
| CN104725774A (en) * | 2015-03-26 | 2015-06-24 | 嘉兴市杭星精细化工有限公司 | Production process of melamine foamed plastic |
| CN204525918U (en) * | 2015-04-08 | 2015-08-05 | 成都玉龙化工有限公司 | A kind of melamine steeps continuous microwave foam device |
| CN205167372U (en) * | 2015-11-30 | 2016-04-20 | 郑州峰泰纳米材料有限公司 | Amino resin's microwave foaming device |
| CN205395380U (en) * | 2016-02-23 | 2016-07-27 | 四川金象赛瑞化工股份有限公司 | Microwave foaming machine with continuous type lamination function |
-
2016
- 2016-09-27 CN CN201610856451.4A patent/CN106378899A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4685872A (en) * | 1986-02-01 | 1987-08-11 | Hans Erlenbach | Machine for the production of molded parts from foamed plastic |
| CN202278701U (en) * | 2011-11-03 | 2012-06-20 | 杭州方圆塑料机械有限公司 | Vacuum barrel body of fully-automatic foamed plastic vacuum pre-foaming machine |
| CN104725774A (en) * | 2015-03-26 | 2015-06-24 | 嘉兴市杭星精细化工有限公司 | Production process of melamine foamed plastic |
| CN204525918U (en) * | 2015-04-08 | 2015-08-05 | 成都玉龙化工有限公司 | A kind of melamine steeps continuous microwave foam device |
| CN205167372U (en) * | 2015-11-30 | 2016-04-20 | 郑州峰泰纳米材料有限公司 | Amino resin's microwave foaming device |
| CN205395380U (en) * | 2016-02-23 | 2016-07-27 | 四川金象赛瑞化工股份有限公司 | Microwave foaming machine with continuous type lamination function |
Non-Patent Citations (1)
| Title |
|---|
| 何欢: "三聚氰胺甲醛树脂改性及其发泡技术", 《中国优秀硕士学位论文全文数据库工程科技Ⅰ辑》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106965400A (en) * | 2017-04-10 | 2017-07-21 | 杭州澳利斯橡塑保温材料有限公司 | A kind of production system of heat insulating material |
| CN109049485A (en) * | 2018-09-18 | 2018-12-21 | 咸阳陶瓷研究设计院有限公司 | A kind of inorganic sponge water-storage material foamable is set with drying integrated makeup |
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Application publication date: 20170208 |
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| RJ01 | Rejection of invention patent application after publication |