CN205870998U - Multistage heat -expandable stove - Google Patents
Multistage heat -expandable stove Download PDFInfo
- Publication number
- CN205870998U CN205870998U CN201620200928.9U CN201620200928U CN205870998U CN 205870998 U CN205870998 U CN 205870998U CN 201620200928 U CN201620200928 U CN 201620200928U CN 205870998 U CN205870998 U CN 205870998U
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- China
- Prior art keywords
- zone
- foaming
- heating
- resonance range
- cooling
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- Expired - Fee Related
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- 239000000463 material Substances 0.000 claims abstract description 60
- 238000005187 foaming Methods 0.000 claims abstract description 53
- 238000010438 heat treatment Methods 0.000 claims abstract description 42
- 238000001816 cooling Methods 0.000 claims abstract description 40
- 239000012530 fluid Substances 0.000 claims abstract description 5
- 230000001172 regenerating effect Effects 0.000 claims description 19
- 238000007669 thermal treatment Methods 0.000 claims description 17
- 238000002955 isolation Methods 0.000 claims description 6
- 238000007493 shaping process Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 description 9
- 239000006260 foam Substances 0.000 description 5
- 238000004804 winding Methods 0.000 description 5
- 238000007599 discharging Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 229920000098 polyolefin Polymers 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000010304 firing Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- -1 polyene Hydrocarbon Chemical class 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Landscapes
- Constitution Of High-Frequency Heating (AREA)
Abstract
The utility model relates to a material foaming field, concretely relates to multistage heat -expandable stove, include, loading attachment, processing chamber, material collecting device and cooling device, the processing chamber includes: for the zone of heating of material foaming and the cooling space of stereotyping for the material, the zone of heating and cooling space communicate each other, the zone of heating and cooling space intercommunication department are provided with has the open -ended median, the zone of heating includes, the foaming passageway in rectangular shape cross -section and being used for the heating system of material heating in the foaming passageway, heating system includes, wave source transmitter, wave guide and present can, the processing chamber with it preheats the district still to be provided with between the loading attachment, preheat the district including a plurality of sections of preheating, cooling device includes cooling tube and cooler, the cooler includes the export of low temperature fluid output and the entry that high temperature fluid got into.
Description
Technical field
This utility model relates to foaming materials field, is specifically related to a kind of Multi-stage heating foaming furnace.
Background technology
Foam polyolefin material foams frequently with foaming furnace in process of production, traditional foaming furnace use hot blast,
The modes such as steam provide the hot environment required for foaming, usual foaming furnace by modes such as electrical heating or fuel heating in stove
Carry out the heat temperature raising of thermal conductivity, reach blowing temperature.But, this mode of heating weak effect, expanded material is in stove
Travelling speed slow, furnace volume is big, and the foaming effect in stove can be caused huge by the thermal loss that heating furnace is imported and exported
Impact.
Such as, notification number is that disclosed in CN1799809A, a kind of irradiated crosslinked polyalkene foaming equipment and notification number are
A kind of polyolefin coiled material foaming machine disclosed in CN201195371Y, uses the mode of level preheating and vertical foaming furnace to polyene
Hydrocarbon material carries out foamable, however its there is problems in that 1, firing rate slow, add thermal energy consumption high.2, stove in heating process
Interior steam cannot make full use of.3, vertical foaming section is longer, and expanded material, when vertical foaming, has one under gravity
Fixed elongation, is unfavorable for the sizing of product.4, it is provided with expanding unit in vertical furnace, can cause while expanded material is launched
The infringement of material surface, affects end product quality.5, preheating section needs independent energy supply, and capacity usage ratio is low.
Utility model content
The purpose of this utility model, is the problem in order to solve in background technology, it is provided that a kind of Multi-stage heating foaming furnace.
Above-mentioned technical purpose of the present utility model has the technical scheme that
A kind of Multi-stage heating foaming furnace, including, feeding device, Processing Room, material collecting device and chiller, described Processing Room
Including: the thermal treatment zone in order to foaming materials and the cooling zone in order to material shaping, the thermal treatment zone and cooling zone are interconnected, described in add
Hot-zone and cooling zone connectivity part are provided with the isolation strip with opening；The described thermal treatment zone includes, the foaming passage in strip cross section
And in order to the heating system of material heating in described foaming passage；Described heating system includes, wave source emitter, waveguide and
Energy regenerative mouth, described wave source emitter is arranged on outside described foaming passage, and described energy regenerative mouth is arranged on the sidewall of described foaming passage
On, the two ends of described waveguide are connected with described wave source emitter and energy regenerative mouth respectively；Described Processing Room and described feeding device
Between be additionally provided with pre-add hot-zone, described pre-add hot-zone includes some pre-add hot arcs；Described chiller includes cooling tube and cold
But device, described cooler includes outlet that cryogen exports and the entrance that high temperature fluid enters.Described wave source emitter is magnetic
Keyholed back plate, magnetron produces microwave, enters foaming passage from energy regenerative mouth and heat material, due to micro-under the transmission of waveguide
Wave heating is the mode of heating without medium, and the mode firing rate comparing tradition electrical heating or gas heating is more quick, required
Want to add heat space less, material deformation quantity in the thermal treatment zone is little, additionally, being joined directly together of the thermal treatment zone and cooling zone, it is ensured that
After foaming, the direct cooling and shaping of material, further reduce the deformation in the course of processing, improve end product quality, many
Level pre-add hot arc.
As preferably, described foaming passage is respectively arranged with the material inlet of bar slit along the two ends of material conveying direction
With material outlet, described foaming vias inner walls is provided with reflecting layer, and described material inlet and material outlet are provided with microwave suppression
Device, foam polyolefin material mostly is flat belt-like, and the material inlet that bar slit is provided with microwave suppressor having is permissible with material outlet
In the situation ensureing that expanded material passes through, preventing microwave from escaping, improve the thermal efficiency, reflecting layer, in order to reduce lossy microwave, enters one
Step improves the efficiency of heating surface.
As preferably, described cooling tube includes that two are wound around section, and described winding section is respectively wound around described wave source emitter
At charging with pre-add hot-zone, the winding section on described wave source emitter is connected with the outlet of cooler, on described pre-add hot arc
Winding section be connected with the entrance of cooler.Wave source transmitter power is higher, and running hours can produce big calorimetric, in cooling tube
Liquid is the highest by temperature after wave source emitter, is introduced at the charging of pre-add hot-zone and can carry out expanded material the most in advance
Heat, reclaims heat.
As preferably, chiller also includes the fan being arranged in Processing Room and the exhaustor communicated with fan, described
One end of exhaustor is connected with fan, and the other end is wrapped in outside described pre-add hot arc, and described fan is extraction fan, is arranged on foaming
Passage is positioned at one end of material inlet, carries out expanded material in pre-add hot-zone at preheating with expellant gas in foaming passage
Reason.
As preferably, described foaming passage includes several resonance ranges, the most individually mates in each described resonance range
There is independent heating system, be provided with dividing plate between resonance range, between described resonance range and material inlet, be provided with preheating
District, under the draft effect of fan, the steam in foaming passage can be forced circulation to preheating zone, carry out pre-to expanded material in advance
Heat, multiple resonance ranges can realize the control heating of multi-temperature section, it is simple to the control of foaming parameter, improves product quality.
As preferably, described resonance range is rectangle stereochemical structure, and it is relative that described energy regenerative mouth is symmetrically distributed in resonance range
Two sidewalls on, and on each sidewall, be provided with multiple energy regenerative mouth.
As preferably, the frequency of each length of side of described resonance range and energy regenerative mouth transmitted wave meets following relation:
Wherein f is emitted frequency, and c is the light velocity, and m, n, p are natural number, and a, b, h are the length, width and height of resonance range, described
Frequency f of transmitted wave is 900MHz～2500MHz, and launching power is 10～100KW.Make the microwave launched in resonance range
Form standing wave so that the microwave energy that in resonance range, fixed position receives is constant, reaches more stable heats.
As preferably, being provided with temperature controller in described resonance range, described temperature controller includes that temperature detector and power are adjusted
Joint device.Temperature detector in order to detect the temperature in resonance range, and by power governor change magnetron power from
And control temperature.
As preferably, described feeding device includes that discharging rod and unreeling structure, described discharging rod are arranged on described material and enter
The top of mouth；Described material collecting device includes that setting roll group, carry-over pinch rolls group and rolling-up mechanism, described setting roll group are arranged on cooling zone
In and be provided with to cool down the cooling channel of expanded material in closing on the position at material outlet, and described setting roll group, cold
But the two ends of path are connected with entrance respectively at the outlet of described cooler.Described setting roll group includes multipair relative two-by-two and tool
Be made up of the setting roll of different pressures, in order to the most repeatedly to shape, cooling channel in order to keep the cooling on setting roll group surface, from
And improve fixed effect.
As preferably, described isolation strip includes preventing transmitted wave from entering the absorption reflecting layer of cooling zone and in order to completely cut off
Thermal treatment zone heat enters the thermal insulation layer of cooling zone, and described absorption reflecting layer uses rustless steel microwave suppressing plate, and described thermal insulation layer is adopted
Use asbestos board.Heat is completely cut off, it is ensured that the fixed effect of cooling zone while preventing microwave leakage.
In sum, the beneficial effects of the utility model:
A kind of Multi-stage heating foaming furnace the most described in the utility model, utilizes microwave heating, and firing rate is fast, arranges humorous
The chamber that shakes makes material heating more uniform, is effectively increased bubbling efficiency.
A kind of Multi-stage heating foaming furnace the most described in the utility model, arranges multistage preheating zone, improves foaming effect further
Really, and make full use of the energy, more energy-conservation.
A kind of Multi-stage heating foaming furnace the most described in the utility model, uses the interconnective thermal treatment zone and cooling zone, makes
The cooling and shaping obtaining expanded material is effective, and makes to be independent of each other between the thermal treatment zone and cooling zone by isolation strip.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of passage of foaming in this utility model.
Detailed description of the invention
Specific examples below is only to explanation of the present utility model, and it is not to restriction of the present utility model, this
The present embodiment can be made after reading this specification by skilled person as required does not has the amendment of creative contribution,
But as long as all being protected by Patent Law in right of the present utility model.
With embodiment, this utility model is described in detail below in conjunction with the accompanying drawings.
Embodiment 1:
According to Fig. 1, Fig. 2, a kind of Multi-stage heating foaming furnace, including, feeding device 1, Processing Room 2, material collecting device 3 and
Chiller 9；Processing Room 2 includes: the thermal treatment zone 4 in order to foaming materials and the cooling zone 5 in order to material shaping, the thermal treatment zone 4 He
Cooling zone 5 is interconnected, and the thermal treatment zone 4 and cooling zone 5 connectivity part are provided with the isolation strip 21 with opening；The thermal treatment zone 4 includes, long
Bar tee section foaming passage 6 and in order in the passage 6 that foams material heating heating system 7；Heating system 7 includes, wave source
Emitter 71, waveguide 72 and energy regenerative mouth 73, wave source emitter 71 is arranged on outside foaming passage 6, and energy regenerative mouth 73 is arranged on foaming
On the sidewall of passage 6, the two ends of waveguide 72 are connected with wave source emitter 71 and energy regenerative mouth 73 respectively；Chiller 9 includes cold
But pipe 91 and cooler 92, cooler 92 includes outlet that cryogen exports and the entrance that high temperature fluid enters.Foaming passage 6
Two ends along material conveying direction are respectively arranged with material inlet 61 and the material outlet 62 of bar slit, and foam passage 6 inwall
Being provided with reflecting layer 63, material inlet 61 and material outlet 62 are provided with microwave suppressor having.
Being additionally provided with pre-add hot-zone 8 between Processing Room 2 and feeding device 1, pre-add hot-zone 8 includes three pre-add hot arcs 801,
It is respectively the first pre-add hot arc, the second pre-add hot arc and the 3rd pre-add hot arc.Cooling tube 91 includes that two are wound around section, is wound around section and divides
It is not wrapped at wave source emitter 71 and the first pre-add hot arc, the outlet phase of the winding section on wave source emitter 71 and cooler 92
Even, the winding section on pre-add hot arc 801 is connected with the entrance of cooler 92.It is used for heating first by the heat of wave source emitter 71
Pre-add hot arc so that the temperature in the first pre-add hot arc is maintained at 50 DEG C.Chiller 9 also includes being arranged in Processing Room 2
Fan 93 and the exhaustor 94 communicated with fan 93, one end of exhaustor is connected with fan 93, and the other end is wrapped in the second pre-add
Outside hot arc, with expellant gas in foaming passage 6, expanded material in second pre-add hot arc is carried out the pre-heat treatment, and control
Temperature is at 70 DEG C.3rd pre-add hot arc passes through Electric heating, controls temperature at 90 DEG C.
Including three resonance ranges 601 in foaming passage 6, in each resonance range 601, all individually coupling has independent adding
Hot systems 7, is provided with dividing plate 602, is provided with pre-between top resonance range 601 and material inlet 61 between resonance range 601
Hot-zone 603, the heat that resonance range 601 is unnecessary is assembled, in preheating zone 603 by the draft effect at fan 93 in preheating zone 603
Temperature controls, at 100 DEG C, to preheat expanded material in advance.
Resonance range 601 is rectangle stereochemical structure, and energy regenerative mouth 73 is symmetrically distributed in two sidewalls that resonance range 601 is relative
On, and on each sidewall, it is provided with multiple energy regenerative mouth 73.Each length of side of resonance range 601 and frequency f of energy regenerative mouth 73 transmitted wave
For 2450MHz, resonance range 601 length, width and height are respectively 200cm, 40cm and 35cm, and transmitting power is 50KW.Resonance range 601
Inside being provided with temperature controller, temperature controller includes temperature detector and power governor.Temperature detector is in order to detect resonance range 601
In temperature, and change the power of magnetron by power governor thus control the temperature of three resonance range 601 temperature
It is respectively 120 DEG C, 160 DEG C and 140 DEG C.
Feeding device 1 includes discharging rod 11 and unreeling structure 12, and discharging rod 11 is arranged on the top of material inlet 61；Rewinding
Device 3 includes setting roll group 31, carry-over pinch rolls group 32 and rolling-up mechanism 33, in setting roll group 31 is arranged on cooling zone 5 and close on thing
Position at material outlet 62, and in setting roll group 31, it is provided with to cool down the cooling channel 311 of expanded material, cooling channel
The two ends of 311 are connected with entrance respectively at the outlet of cooler 92.Setting roll group 31 includes multipair relative two-by-two and has difference
Pressure setting roll composition, in order to the most repeatedly to shape, cooling channel 311 in order to keep the cooling on setting roll group 31 surface, from
And improve fixed effect.
Isolation strip 21 includes preventing transmitted wave from entering the absorption reflecting layer 211 of cooling zone 5 and in order to completely cut off the thermal treatment zone 4
Heat enters the thermal insulation layer 212 of cooling zone 5, absorbs reflecting layer 211 and uses rustless steel microwave suppressing plate, and thermal insulation layer 212 uses stone
Cotton plate.Heat is completely cut off, it is ensured that the fixed effect of cooling zone while preventing microwave leakage.
Embodiment 2:
Being with above-described embodiment 1 difference, pre-add hot-zone 8 includes three pre-add hot arcs 801, the respectively first pre-add
Hot arc, the second pre-add hot arc and the 3rd pre-add hot arc, three pre-add hot arcs 801 are all heated by Electric heating, and control
The temperature of the first pre-add hot arc, the second pre-add hot arc and the 3rd pre-add hot arc is respectively 50 DEG C, 70 DEG C and 90 DEG C.
Claims (1)
1. a Multi-stage heating foaming furnace, including, feeding device (1), Processing Room (2), material collecting device (3) and chiller (9),
It is characterized in that, described Processing Room (2) including: in order to the thermal treatment zone (4) of foaming materials and the cooling zone in order to material shaping
(5), the thermal treatment zone (4) and cooling zone (5) are interconnected, and the described thermal treatment zone (4) and cooling zone (5) connectivity part are provided with and have opening
Isolation strip (21)；The described thermal treatment zone (4) includes, the foaming passage (6) in strip cross section and in order to described foaming passage (6)
The heating system (7) of interior material heating；
Described foaming passage (6) includes several resonance ranges (601), the most individually mates in each described resonance range (601)
Having independent heating system (7), be provided with temperature controller in described resonance range (601), described temperature controller includes temperature detector
And power governor, it is provided with dividing plate (602), described resonance range (601) and material inlet (61) between resonance range (601)
Between be provided with preheating zone (603), described resonance range (601) is rectangle stereochemical structure, and described energy regenerative mouth (73) is symmetrical
On two sidewalls that resonance range (601) is relative, and on each sidewall, it is provided with multiple energy regenerative mouth (73), described resonance range
(601) frequency of each length of side and energy regenerative mouth (73) transmitted wave meets following relation:
Wherein f is emitted frequency, and c is the light velocity, and m, n, p are natural number, and a, b, h are the length, width and height of resonance range (601), described
Frequency f of transmitted wave is 900MHz～2500MHz, and launching power is 10～100KW；
Described heating system (7) includes, wave source emitter (71), waveguide (72) and energy regenerative mouth (73), described wave source emitter
(71) being arranged on described foaming passage (6) outward, described energy regenerative mouth (73) is arranged on the sidewall of described foaming passage (6), described
The two ends of waveguide (72) are connected with described wave source emitter (71) and energy regenerative mouth (73) respectively；Described Processing Room (2) is with described
Being additionally provided with pre-add hot-zone (8) between feeding device (1), described pre-add hot-zone (8) includes some pre-add hot arcs (801)；Described
Chiller (9) includes cooling tube (91) and cooler (92), described cooler (92) include outlet that cryogen exports and
The entrance that high temperature fluid enters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620200928.9U CN205870998U (en) | 2016-03-16 | 2016-03-16 | Multistage heat -expandable stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620200928.9U CN205870998U (en) | 2016-03-16 | 2016-03-16 | Multistage heat -expandable stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205870998U true CN205870998U (en) | 2017-01-11 |
Family
ID=57687133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620200928.9U Expired - Fee Related CN205870998U (en) | 2016-03-16 | 2016-03-16 | Multistage heat -expandable stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205870998U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110091455A (en) * | 2019-04-03 | 2019-08-06 | 浙江润阳新材料科技股份有限公司 | A kind of high speed foaming furnace |
-
2016
- 2016-03-16 CN CN201620200928.9U patent/CN205870998U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110091455A (en) * | 2019-04-03 | 2019-08-06 | 浙江润阳新材料科技股份有限公司 | A kind of high speed foaming furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170111 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |