CN105599210B - One kind energy-conservation foaming furnace - Google Patents

One kind energy-conservation foaming furnace Download PDF

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Publication number
CN105599210B
CN105599210B CN201610148760.6A CN201610148760A CN105599210B CN 105599210 B CN105599210 B CN 105599210B CN 201610148760 A CN201610148760 A CN 201610148760A CN 105599210 B CN105599210 B CN 105599210B
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foaming
zone
energy
cooling
add hot
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CN105599210A (en
Inventor
张镤
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ZHEJIANG RUNYANG NEW MATERIAL TECHNOLOGY Co Ltd
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ZHEJIANG RUNYANG NEW MATERIAL TECHNOLOGY Co Ltd
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    • 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
    • B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
    • 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
    • B29C44/60—Measuring, controlling or regulating
    • 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
    • B29C44/60—Measuring, controlling or regulating
    • B29C44/605—Calibration following a shaping operation, e.g. extrusion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
  • Furnace Details (AREA)

Abstract

The present invention relates to foaming materials field, and in particular to one kind energy-conservation foaming furnace, including, feeding device, Processing Room, material collecting device and cooling device, the Processing Room include：Heating zone to foaming materials and the cooling zone to material shaping, heating zone and cooling zone are interconnected, and the heating zone and cooling zone connectivity part, which is provided with this, the isolation strip of opening；The heating zone includes, the foaming passage of strip tee section and the heating system to material heating in the foaming passage；The heating system includes, wave source transmitter, waveguide and energy regenerative mouth, the wave source transmitter is arranged on outside the foaming passage, and the energy regenerative mouth is arranged in the side wall of the foaming passage, and the both ends of the waveguide are connected with the wave source transmitter and energy regenerative mouth respectively；Pre-add hot-zone is additionally provided between the Processing Room and the feeding device, the pre-add hot-zone includes some pre-add hot arcs.

Description

One kind energy-conservation foaming furnace
Technical field
The present invention relates to foaming materials field, and in particular to one kind energy-conservation foaming furnace.
Background technology
Foam polyolefin material is foamed frequently with foaming furnace in process of production, traditional foaming furnace using hot blast, The modes such as steam provide the hot environment required for foaming, and usual foaming furnace is by the mode such as electrical heating or fuel heating in stove The heat temperature raising of thermal conductivity is carried out, to reach blowing temperature.However, this mode of heating effect is poor, expanded material is in stove Travelling speed it is slow, furnace volume is big, and heating furnace inlet and outlet thermal loss the foaming effect in stove can be caused it is huge Influence.
For example, notification number is that a kind of irradiated crosslinked polyalkene foaming equipment and notification number are disclosed in CN1799809A A kind of polyolefin coiled material foaming machine disclosed in CN201195371Y, to polyene by the way of level preheating and vertical foaming furnace Hydrocarbon material carries out foamable, but it has problems with：1st, firing rate is slow, heats high energy consumption.2nd, stove in heating process Interior hot gas can not make full use of.3rd, vertical foaming section is longer, and expanded material has one under gravity in vertical foaming Fixed elongation, it is unfavorable for the sizing of product.4th, expanding unit is provided with vertical furnace, can be caused while expansion to expanded material The infringement of material surface, influences final product quality.5th, preheating section needs individually to energize, and capacity usage ratio is low.
The content of the invention
The purpose of the present invention, it is to solve the problems, such as in background technology, there is provided one kind energy-conservation foaming furnace.
The present invention above-mentioned technical purpose technical scheme is that：
One kind energy-conservation foaming furnace, including, feeding device, Processing Room, material collecting device and cooling device, the Processing Room bag Include：Heating zone to foaming materials and the cooling zone to material shaping, heating zone and cooling zone are interconnected, the heating Area and cooling zone connectivity part are provided with the isolation strip with opening；The heating zone includes, the foaming passage of strip tee section with And the heating system to material heating in the foaming passage；The heating system includes, wave source transmitter, waveguide and feedback Energy mouth, the wave source transmitter are arranged on outside the foaming passage, and the energy regenerative mouth is arranged in the side wall of the foaming passage, The both ends of the waveguide are connected with the wave source transmitter and energy regenerative mouth respectively；Between the Processing Room and the feeding device Pre-add hot-zone is additionally provided with, the pre-add hot-zone includes some pre-add hot arcs；The cooling device includes cooling tube and cooler, The entrance that the cooler includes the outlet of cryogen output and high temperature fluid enters, the cooling tube include two windings Section, the winding section are respectively wound around outside the pre-add hot arc at the wave source transmitter and the charging of pre-add hot-zone, the wave source hair Winding section in emitter is connected with the outlet of cooler, and the winding section on the pre-add hot arc is connected with the entrance of cooler.Institute It is magnetron to state wave source transmitter, and magnetron produces microwave, enters foaming passage to thing from energy regenerative mouth under the transmission of waveguide Material is heated, and because microwave is heated to be the mode of heating of no medium, the mode compared to traditional electrical heating or gas heating heats Speed is quicker, and required heating space is smaller, and deformation quantity of the material in heating zone is small, in addition, heating zone and cooling Area is joined directly together, and after ensure that foaming, the direct cooling and shaping of material, further reduces the deformation in process, Improve final product quality, multistage pre-add hot arc.Wave source transmitter power is higher, and running hours can produce big calorimetric, cooling tube Interior liquid is very high by temperature after wave source transmitter, and being introduced at the charging of pre-add hot-zone can be preliminary to expanded material progress pre- Heat, heat is reclaimed.
Preferably, both ends of the foaming passage along material conveying direction are respectively arranged with the material inlet of bar slit With material outlet, the foaming vias inner walls are provided with reflecting layer, and the material inlet is provided with microwave suppression with material outlet Device, foam polyolefin material are mostly flat belt-like, and bar slit is provided with the material inlet of microwave suppressor and material outlet can be with In the situation that guarantee expanded material passes through, prevent microwave from escaping, improve the thermal efficiency, reflecting layer enters one to reduce lossy microwave Step improves the efficiency of heating surface.
Preferably, cooling device also includes the fan being arranged in Processing Room and the blast pipe communicated with fan, it is described One end of blast pipe is connected with fan, and the other end is wrapped in outside the pre-add hot arc, and the fan is extraction fan, is arranged on foaming Passage is located at one end of material inlet, and expanded material in pre-add hot-zone is carried out at preheating with the gas discharged in foaming passage Reason.
Preferably, the foaming passage includes several resonance ranges, individually matched in each resonance range There is independent heating system, dividing plate is provided between resonance range, preheating is provided between the resonance range and material inlet Area, under the draft effect of fan, the hot gas to foam in passage can be forced circulation to preheating zone, expanded material be carried out in advance pre- Heat, multiple resonance ranges can realize the control heating of multi-temperature section, be easy to the control of foaming parameter, improve product quality.
Preferably, the resonance range is rectangle stereochemical structure, it is relative that the energy regenerative mouth is symmetrically distributed in resonance range Two side walls on, and be provided with multiple energy regenerative mouths in each side wall.
Preferably, each length of side of the resonance range and the frequency of energy regenerative mouth transmitted wave meet 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 The frequency f of transmitted wave is 900MHz~2500MHz, and transmission power is 10~100KW.So that the microwave of transmitting is in resonance range Form standing wave so that the microwave energy that fixed position receives in resonance range is constant, reaches more stable heating effect.
Preferably, being provided with temperature controller in the resonance range, the temperature controller includes temperature detector and power is adjusted Save device.Temperature detector to detect the temperature in resonance range, and by power governor change the power of magnetron from And control temperature.
Preferably, the feeding device includes discharging rod and unreeling structure, the discharging rod is arranged on the material and entered The top of mouth；The material collecting device includes sizing roller group, traction roller group and rolling-up mechanism, and the sizing roller group is arranged on cooling zone Position that is interior and closing at material outlet, and be provided with to cool down the cooling channel of expanded material in the sizing roller group, it is cold But the both ends of path are connected respectively at the outlet of the cooler with entrance.The sizing roller group includes multipair relative two-by-two and had Be made up of the setting roll of different pressures, repeatedly to shape repeatedly, cooling channel to the roller group surface of keeping shaping cooling, from And improve fixed effect.
Preferably, the isolation strip is included to prevent transmitted wave from entering the absorption reflecting layer of cooling zone and to completely cut off Heating zone heat enters the thermal insulation layer of cooling zone, and the absorption reflecting layer uses stainless steel microwave suppressing plate, and the thermal insulation layer is adopted Use asbestos board.Prevent from completely cutting off heat while microwave leakage, ensure that the fixed effect of cooling zone.
In summary, beneficial effects of the present invention：
1. a kind of energy-conservation foaming furnace of the present invention, preheating zone is imported by used cooling water and burner hearth waste gas, While foaming effect is improved, and heat energy is taken full advantage of, reach energy-saving effect.
2. a kind of energy-conservation foaming furnace of the present invention, is heated, firing rate is fast, sets resonator to cause using microwave Material heating is more uniform, effectively increases bubbling efficiency.
A kind of 3. energy-conservation foaming furnace of the present invention, using the heating zone and cooling zone of interconnection so that foaming material The cooling and shaping effect of material is good, and by being independent of each other between isolation strip heating zone and cooling zone.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of the embodiment of the present invention 2；
Fig. 3 is the structural representation of the embodiment of the present invention 3.
Embodiment
Specific examples below is only explanation of the invention, and it is not limitation of the present invention, art technology Personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but as long as All protected in scope of the presently claimed invention by Patent Law.
With embodiment, the present invention is described in detail below in conjunction with the accompanying drawings.
Embodiment 1：
According to Fig. 1, Fig. 2, one kind energy-conservation foaming furnace, including, feeding device 1, Processing Room 2, material collecting device 3 and cooling Device 9；Processing Room 2 includes：Heating zone 4 to foaming materials and the cooling zone 5 to material shaping, heating zone 4 and cooling Area is connected about 5, and heating zone 4 and the connectivity part of cooling zone 5 are provided with the isolation strip 21 with opening；Heating zone 4 includes, strip The foaming passage 6 in section and the heating system 7 heated to material in the passage 6 that foams；Heating system 7 includes, wave source transmitting Device 71, waveguide 72 and energy regenerative mouth 73, wave source transmitter 71 are arranged on outside foaming passage 6, and energy regenerative mouth 73 is arranged on foaming passage 6 Side wall on, the both ends of waveguide 72 are connected with wave source transmitter 71 and energy regenerative mouth 73 respectively；Cooling device 9 includes cooling tube 91 With cooler 92, the entrance that cooler 92 includes the outlet of cryogen output and high temperature fluid enters.Passage 6 foam along material The both ends of material conveying direction are respectively arranged with the material inlet 61 and material outlet 62 of bar slit, and the foaming inwall of passage 6 is provided with Reflecting layer 63, material inlet 61 are provided with microwave suppressor with material outlet 62.
Pre-add hot-zone 8 is additionally provided between Processing Room 2 and feeding device 1, pre-add hot-zone 8 includes three pre-add hot arcs 801, Respectively the first pre-add hot arc, the second pre-add hot arc and the 3rd pre-add hot arc.Cooling tube 91 includes two winding sections, winding section point It is not wrapped at the pre-add hot arc of wave source transmitter 71 and first, winding section and the outlet phase of cooler 92 on wave source transmitter 71 Even, the winding section on pre-add hot arc 801 is connected with the entrance of cooler 92.The heat of wave source transmitter 71 is used to heat first Pre-add hot arc so that the temperature in the first pre-add hot arc is maintained at 50 DEG C.Cooling device 9 also includes being arranged in Processing Room 2 Fan 93 and the blast pipe 94 communicated with fan 93, one end of blast pipe are connected with fan 93, and the other end is wrapped in the second pre-add Outside hot arc, the pre-heat treatment is carried out to expanded material in the second pre-add hot arc with the gas of discharge in foaming passage 6, and control Temperature is at 70 DEG C.3rd pre-add hot arc is by Electric heating, and control temperature is at 90 DEG C.
Include three resonance ranges 601 in foaming passage 6, individually being matched in each resonance range 601 has independent add Hot systems 7, dividing plate 602 is provided between resonance range 601, is provided between top resonance range 601 and material inlet 61 pre- Hot-zone 603, preheating zone 603 in the draft effect of fan 93 by assembling the unnecessary heat of resonance range 601, in preheating zone 603 Temperature control preheats to expanded material in advance at 100 DEG C.
Resonance range 601 is rectangle stereochemical structure, and energy regenerative mouth 73 is symmetrically distributed in relative two of the level of resonance range 601 In side wall, and multiple energy regenerative mouths 73 are provided with each side wall.Each length of side of resonance range 601 and the frequency of the transmitted wave of energy regenerative mouth 73 Rate f is 2450MHz, and the length, width and height of resonance range 601 are respectively 200cm, 40cm and 35cm, transmission power 50KW.Resonance range Temperature controller is provided with 601, temperature controller includes temperature detector and power governor.Temperature detector is detecting resonance range Temperature in 601, and the power of magnetron is changed so as to controlling the temperature of three temperature of resonance range 601 by power governor Degree 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 sizing roller group 31, traction roller group 32 and rolling-up mechanism 33, and sizing roller group 31 is arranged in cooling zone 5 and closes on thing Position at material outlet 62, and be provided with to cool down the cooling channel 311 of expanded material, cooling channel in roller group 31 of shaping 311 both ends are connected respectively at the outlet of cooler 92 with entrance.Roller group 31 of shaping includes multipair relative two-by-two and has difference The setting roll composition of pressure, repeatedly to shape repeatedly, cooling channel 311 to roller group 31 surface of keeping shaping cooling, from And improve fixed effect.
Isolation strip 21 is included to prevent transmitted wave from entering the absorption reflecting layer 211 of cooling zone 5 and to completely cut off heating zone 4 Heat enters the thermal insulation layer 212 of cooling zone 5, absorbs reflecting layer 211 and uses stainless steel microwave suppressing plate, thermal insulation layer 212 uses stone Cotton plate.Prevent from completely cutting off heat while microwave leakage, ensure that the fixed effect of cooling zone.
Embodiment 2：
It is with the difference of above-described embodiment 1, according to Fig. 2, pre-add hot-zone 8 includes three pre-add hot arcs 801, point Not Wei the first pre-add hot arc, the second pre-add hot arc and the 3rd pre-add hot arc, cooling tube 91 include two winding sections, winding section difference It is wrapped at the pre-add hot arc of wave source transmitter 71 and first, winding section and the outlet phase of cooler 92 on wave source transmitter 71 Even, the winding section on pre-add hot arc 801 is connected with the entrance of cooler 92.The heat of wave source transmitter 71 is used to heat first Pre-add hot arc so that the temperature in the first pre-add hot arc is maintained at 50 DEG C, and the second pre-add hot arc and the 3rd pre-add hot arc pass through Electric heating heats, and the temperature of the second pre-add hot arc of control and the 3rd pre-add hot arc is respectively 70 DEG C and 90 DEG C.
Embodiment 3：
It is with the difference of above-described embodiment 1, according to Fig. 3, Processing Room 2 includes：To the heating of foaming materials Area 4 and the cooling zone 5 to material shaping, heating zone 4 and the horizontal connection of cooling zone 5, are set between heating zone 4 and cooling zone 5 There is isolation strip 21；Heating zone 4 includes, the foaming passage 6 of horizontally disposed strip tee section and to material in the passage 6 that foams The heating system 7 of heating；Heating system 7 includes, and wave source transmitter 71, waveguide 72 and energy regenerative mouth 73, wave source transmitter 71 are set Put outside foaming passage 6, energy regenerative mouth 73 is arranged in the side wall of foaming passage 6, and the both ends of waveguide 72 are launched with wave source respectively Device 71 is connected with energy regenerative mouth 73.Resonance range 601 is rectangle stereochemical structure, and energy regenerative mouth 73 is symmetrically distributed on resonance range 601 Down in two relative side walls, and multiple energy regenerative mouths 73 are provided with each side wall, due to being heated using microwave, foaming heating speed Degree is fast, and the length for the passage 6 that foams is shorter, is drawn high vertically caused by can reducing material deadweight using horizontally disposed heating zone, Improve final product quality.

Claims (10)

1. one kind energy-conservation foaming furnace, including, feeding device（1）, Processing Room（2）, material collecting device（3）And cooling device（9）, it is special Sign is, the Processing Room（2）Including：To the heating zone of foaming materials（4）With the cooling zone to material shaping（5）, add Hot-zone（4）And cooling zone（5）It is interconnected, the heating zone（4）And cooling zone（5）Connectivity part is provided with the isolation with opening Band（21）；The heating zone（4）Including the foaming passage of strip tee section（6）And to the foaming passage（6）Interior material The heating system of heating（7）；The heating system（7）Including wave source transmitter（71）, waveguide（72）With energy regenerative mouth（73）, The wave source transmitter（71）It is arranged on the foaming passage（6）Outside, the energy regenerative mouth（73）It is arranged on the foaming passage（6） Side wall on, the waveguide（72）Both ends respectively with the wave source transmitter（71）With energy regenerative mouth（73）It is connected；
The Processing Room（2）With the feeding device（1）Between be additionally provided with pre-add hot-zone（8）, the pre-add hot-zone（8）Including Some pre-add hot arcs（801）；The cooling device（9）Including cooling tube（91）And cooler（92）, the cooler（92）Bag Include the outlet of cryogen output and the entrance of high temperature fluid entrance；
The cooling tube（91）Including two winding sections, the winding section is respectively wound around the wave source transmitter（71）And pre-add Hot-zone（8）Pre-add hot arc at charging（801）Outside, the wave source transmitter（71）On winding section and cooler（92）Outlet It is connected, the pre-add hot arc（801）On winding section and cooler（92）Entrance be connected.
A kind of 2. energy-conservation foaming furnace according to claim 1, it is characterised in that the foaming passage（6）It is defeated along material The both ends in direction are sent to be respectively arranged with the material inlet of bar slit（61）With material outlet（62）, the foaming passage（6）Inwall It is provided with reflecting layer（63）.
A kind of 3. energy-conservation foaming furnace according to claim 2, it is characterised in that cooling device（9）Also include being arranged on adding Work room（2）Interior fan（93）With with fan（93）The blast pipe communicated（94）, one end of the blast pipe and fan（93）Phase Even, the other end is wrapped in the pre-add hot arc（801）Outside.
A kind of 4. energy-conservation foaming furnace according to claim 3, it is characterised in that the fan（93）For extractor fan, wind Fan（93）It is arranged on foaming passage（6）Positioned at material inlet（61）One end.
A kind of 5. energy-conservation foaming furnace according to claim 4, it is characterised in that the foaming passage（6）Including several Resonance range（601）, each resonance range（601）Inside independent matching has independent heating system（7）, resonance range （601）Between be provided with dividing plate（602）, the resonance range（601）With material inlet（61）Between be provided with preheating zone （603）.
A kind of 6. energy-conservation foaming furnace according to claim 5, it is characterised in that the resonance range（601）Stood for rectangle Body structure, the energy regenerative mouth（73）It is symmetrically distributed in resonance range（601）In two relative side walls, and set in each side wall There are multiple energy regenerative mouths（73）.
A kind of 7. energy-conservation foaming furnace according to claim 6, it is characterised in that the resonance range（601）Each length of side With energy regenerative mouth（73）The frequency of 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 resonance range（601）Length, width and height, it is described The frequency f of transmitted wave is 900MHz~2500MHz, and transmission power is 10~100KW.
A kind of 8. energy-conservation foaming furnace according to claim 7, it is characterised in that the resonance range（601）Inside it is provided with Temperature controller, the temperature controller include temperature detector and power governor.
A kind of 9. energy-conservation foaming furnace according to claim 8, it is characterised in that the feeding device（1）Including the rod that discharges （11）And unreeling structure（12）, the discharging rod（11）It is arranged on the material inlet（61）Top；The material collecting device（3） Including roller group of shaping（31）, traction roller group（32）And rolling-up mechanism（33）, the sizing roller group（31）It is arranged on cooling zone（5）It is interior And close on material outlet（62）The position at place, and the sizing roller group（31）The cooling for being inside provided with to cool down expanded material is led to Road（311）, cooling channel（311）Both ends respectively at the cooler（92）Outlet be connected with entrance.
A kind of 10. energy-conservation foaming furnace according to claim 9, it is characterised in that the isolation strip（21）Including with to prevent Only transmitted wave enters cooling zone（5）Absorption reflecting layer（211）With completely cutting off heating zone（4）Heat enters cooling zone（5）'s Thermal insulation layer（212）.
CN201610148760.6A 2016-03-16 2016-03-16 One kind energy-conservation foaming furnace Active CN105599210B (en)

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CN105599210B true CN105599210B (en) 2017-12-08

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105619684B (en) * 2016-03-16 2018-03-20 浙江润阳新材料科技股份有限公司 A kind of Multi-stage heating foaming furnace
CN110091455B (en) * 2019-04-03 2021-07-30 浙江润阳新材料科技股份有限公司 High-speed foaming furnace

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200195631Y1 (en) * 2000-04-03 2000-09-01 이소영 The apparatus of polypropylene foam seat
CN100420563C (en) * 2004-12-31 2008-09-24 浙江交联电缆有限公司 Irradiated crosslinked polyalkene foaming equipment
CN102672872B (en) * 2012-05-25 2014-08-20 宁波高新区辉门科技有限公司 Electronic irradiating crosslinked polyethylene foaming machine
CN202607932U (en) * 2012-05-25 2012-12-19 宁波高新区辉门科技有限公司 Electron irradiation crosslinked polyethylene foaming equipment
CN204054468U (en) * 2014-09-15 2014-12-31 湖北祥源新材科技有限公司 Crosslinking polyolefin foaming stove

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