CN104118086A - Production equipment of polyurethane foam board - Google Patents
Production equipment of polyurethane foam board Download PDFInfo
- Publication number
- CN104118086A CN104118086A CN201410335121.1A CN201410335121A CN104118086A CN 104118086 A CN104118086 A CN 104118086A CN 201410335121 A CN201410335121 A CN 201410335121A CN 104118086 A CN104118086 A CN 104118086A
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- charge door
- feed pot
- polyurethane foam
- foam board
- production equipment
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Abstract
The invention provides production equipment of a polyurethane foam board. The production equipment comprises a polyurethane combination polyatomic alcohol feeding tank, an isocyanate feeding tank, a solid flame retardant feeding tank, liquid feeding devices, solid feeding devices, a mixer and a foam forming machine. The feeding tanks are respectively and independently arranged, and are communicated with feeding openings in the mixer respectively through pipelines, the liquid feeding devices and the solid feeding devices are respectively arranged on the pipelines, materials respectively contained in the polyurethane combination polyatomic alcohol feeding tank, the isocyanate feeding tank and the solid flame retardant feeding tank are added in the mixer according to the proportion, the materials are mixed in the mixer and then conveyed to the foam forming machine for foam forming, and therefore the polyurethane foam board is manufactured. According to the production equipment, due to the facts that the solid flame retardant feeding tank and the solid feeding devices are arranged, and the solid flame retardant feeding tank and the solid feeding devices are communicated with the feeding openings of the mixer, solid flame retardants can be added, the adding number of liquid flame retardants can be reduced, and therefore the polyurethane foam board can obviously improve the inflaming retarding performance, the mechanical property and the size stability can be obviously improved, the inflaming retarding performance of the board in the service process is stable, and continuous production is achieved.
Description
Technical field
The present invention relates to polyurethane production equipment, more specifically, relate to a kind of production equipment of polyurethane foam board for building.
Background technology
Polyurethane foam board is because it is lightweight, high insulating effect, it is the common used material of building exterior wall heat preserving, can burn rapidly and discharge a large amount of poisonous dense smoke but the defect of polyurethane foam board maximum is to run into fire period, Shanghai one residential building breaking out of fire just causes great casualties.Industry is being researched and developed the polyurethane foam board that fire-protection rating is higher always for this reason, and people, by adding in process of production the method for fire retardant, have developed the good polyurethane foamed thermal-insulating plate of fire-protection rating.But, the production equipment of polyurethane foam board mainly contains low pressure mechanical agitation and high-pressure atomization expansion mixing at present, these two kinds of methods all can only add liquid flame retardant in polyurethane, if add solid flame retardant, can there is the precipitation in material conveying process, stifled rifle, cannot realize the continuous production of sheet material, therefore can only use conventional chloride phosphorous liquid flame retardant, but environment is unfriendly on the one hand for conventional chloride phosphonium flame retardant, easily produce and pollute, although its addition improves to fire resistance greatly on the other hand, but can cause that polyurethane foam board shrinks distortion in process under arms, the chloride phosphonium flame retardant of liquid being added into can move to plate surface, also can cause the fire resistance of sheet material to reduce.
For this reason, need to develop the production equipment of the polyurethane foam board making new advances, to can add continuously solid flame retardant in process of production in polyurethane, and realize the continuous production of polyurethane plate production line, to solve the bottleneck problem in current polyurethane foam board production process, and make fire retardant in military service process can not move to plate surface, improve the fire resistance of sheet material in military service process.
Summary of the invention
In order one of to solve the problems of the technologies described above at least, the invention provides a kind of production equipment of polyurethane foam board, can in polyurethane, add solid flame retardant in process of production, can not only significantly improve the fire resistance of polyurethane foam board, and can realize the continuous production of panel production line, and significantly improve mechanical property, the dimensional stability of polyurethane foam board, fire retardant does not also move to plate surface in process under arms, the fire resistance of sheet material is very stable in process under arms, has solved the technical problem described in background technology.
For achieving the above object, the embodiment of one aspect of the invention provides a kind of production equipment of polyurethane foam board, comprises polyurethane combination polyalcohol feed pot, isocyanates feed pot, solid flame retardant feed pot, liquid charging device, solid feeding device, blender and foam forming machine; Described polyurethane combination polyalcohol feed pot, isocyanates feed pot, solid flame retardant feed pot independently arrange separately, and are connected with the first charge door, the second charge door and the 3rd charge door on described blender respectively by pipeline; In connecting pipe in connecting pipe between described polyurethane combination polyalcohol feed pot and described the first charge door, between described isocyanates feed pot and the second charge door, be respectively arranged with described liquid charging device, in the connecting pipe between described solid flame retardant feed pot and described the 3rd charge door, be provided with described solid feeding device; Described liquid charging device combines the material in polyalcohol feed pot and isocyanates feed pot, described solid feeding device by the material in solid flame retardant feed pot by described polyurethane, add in proportion in described blender, described blender is inputted described foam forming machine after to mixing of materials and is carried out foaming, makes described polyurethane foam board.
The production equipment of the above-mentioned polyurethane foam board that one aspect of the present invention embodiment provides, cause includes solid flame retardant feed pot and it is connected with the 3rd charge door of blender by pipeline and solid feeding device, thereby can in blender, add solid flame retardant, after fully mixing, polyurethane foam board is made in foaming again, this polyurethane foam board has not only significantly improved fire resistance, and can significantly improve mechanical property, dimensional stability, and process is medium under arms can not move to plate surface for fire retardant, the fire resistance of sheet material is very stable in process under arms, in addition, the present invention separately adds liquid material and solid material, having solved sedimentation in material conveying process and the easy obstruction of blender can not quantity-produced problem, realized the continuous production of panel production line, and this has solved the bottleneck problem in current polyurethane foam board production process.
According to one embodiment of present invention, described liquid charging device is gear pump, and described solid feeding device is screw pump.
In the present embodiment, adopt gear pump to add polyurethane combination polyalcohol and isocyanates, can ensure to add the precision of material, adopt screw pump to add solid flame retardant, not only can add as required solid flame retardant, and can reduce the wearing and tearing of charging (feeding) equipment, and improve the service life of equipment, be a kind of preferred solid feeding device.
According to one embodiment of present invention, described screw pump is Quimby pump.In the present embodiment, employing Quimby pump can add the solid flame retardant of various forms, can add particulate fire retardant, fibrous fire retardant and sheet fire retardant, or their combination, has expanded the scope of application of production equipment.
According to one embodiment of present invention, in connecting pipe in connecting pipe in connecting pipe between described polyurethane combination polyalcohol feed pot and described the first charge door, between described isocyanates feed pot and the second charge door, between described solid flame retardant feed pot and described the 3rd charge door, be provided with flowmeter, for showing the component that adds described blender material.
In the present embodiment, flowmeter is set respectively adding on pipeline, can shows dynamic addition, to further control in real time the precision that adds material, reduce error and defect ware rate, cost-saving in producing.
According to some embodiments of the present invention, described the 3rd charge door, at the height of vertical direction, is not more than described the first charge door and the second charge door.
In the present embodiment, described the 3rd charge door is at the height of vertical direction, be not more than described the first charge door and the second charge door, the 3rd charge door is positioned at the below of described the first and second charge doors, can prevent in blender in mixed process, solid flame retardant overflows blender and affects the fire resistance of production board.
According to one embodiment of present invention, described the first charge door and the second charge door are oppositely arranged, and described the 3rd charge door is positioned at the below of described the second charge door.
In the present embodiment, the first charge door and the second charge door are oppositely arranged, and can make the material adding in the first charge door and the second charge door more fully mix.
According to some embodiments of the present invention, described blender is mechanical agitation type blender.
In the present embodiment, adopt mechanical agitation type blender, can realize low pressure mechanical mixture, thereby three kinds of mixing of materials that guarantee adds is more abundant, and hybrid mode is simple, with low cost.
According to one embodiment of present invention, described blender comprises: stirrer paddle and drapery panel, described stirrer paddle is inputted in described foam forming machine by described drapery panel after the material stirring adding from described the first charge door, the second charge door and the 3rd charge door is mixed.
In the present embodiment, adopt stirrer paddle to be uniformly mixed material, can realize the mixing of materials sufficient degree at diverse location place different and can realize mixing limit, limit convey materials, enhance productivity, and mixed material is inputted drapery panel by blade, without adding other mixed material conveying equipment, can simplified apparatus, reduce costs.
According to some embodiments of the present invention, described solid flame retardant comprises: any one in particulate fire retardant, fibrous fire retardant, sheet fire retardant or several combination arbitrarily.
In the present embodiment, the form of solid flame retardant can be diversified, has improved the applicable scope of production equipment, and the processing cost of conservation.
According to one embodiment of present invention, described polyurethane combination polyalcohol comprises: PPG, PEPA, blowing agent and foam stabilizer.
In the present embodiment, the main material of polyurethane foam board is liquid, add in blender by described polyurethane combination polyalcohol feed pot and liquid charging device, realizing solid-liquid separately adds, can improve reinforced precision, prevent precipitation and obstruction in course of conveying, be convenient to control the quality of finished product sheet material and realize continuously and producing.
In sum, according to the production equipment of polyurethane foam board provided by the invention, cause includes solid flame retardant feed pot and it is connected with the 3rd charge door of blender by pipeline and solid feeding device, not only can add powder fire retardant, and can add fibrous or sheet or several persons' combination fire retardant, thereby can make polyurethane foam board not only significantly improve fire resistance, and can significantly improve mechanical property, dimensional stability, and process is medium under arms can not move to plate surface for fire retardant, the fire resistance of sheet material is very stable in process under arms, in addition, the present invention separately adds liquid material and solid material, having solved sedimentation in material conveying process and blender easy obstruction can not quantity-produced problem, realized the continuous production of panel production line, the bottleneck problem that this has solved in current polyurethane foam board production process, realizes goal of the invention of the present invention.
Brief description of the drawings
Above-mentioned and/or additional aspect of the present invention and advantage accompanying drawing below combination is understood becoming the description of embodiment obviously and easily, wherein:
Fig. 1 shows the structural representation of production equipment one embodiment of polyurethane foam board of the present invention.
Wherein, in Fig. 1, the corresponding relation between Reference numeral and component names is:
1 polyurethane combination polyalcohol feed pot, 2 isocyanates feed pots, 3 solid flame retardant feed pots, 4 blenders, 5 foam forming machines, 6 gear pumps, 7 screw pumps, 8 flowmeters, 41 first charge doors, 42 second charge doors, 43 the 3rd charge doors, 44 stirrer paddles, 45 drapery panels.
Detailed description of the invention
In order more clearly to understand above-mentioned purpose of the present invention, feature and advantage, below in conjunction with brief description of the drawings according to the specific embodiment of the present invention.It should be noted that, in the situation that not conflicting, the feature in the application's embodiment and embodiment can combine mutually.
A lot of details are set forth in the following description so that fully understand the present invention; but; the present invention can also adopt other to be different from other modes described here and implement, and therefore, protection scope of the present invention is not subject to the restriction of following public specific embodiment.
As shown in Figure 1, the embodiment of one aspect of the invention provides a kind of production equipment of polyurethane foam board, comprises polyurethane combination polyalcohol feed pot 1, isocyanates feed pot 2, solid flame retardant feed pot 3, liquid charging device, solid feeding device, blender 4 and foam forming machine 5; Described polyurethane combination polyalcohol feed pot 1, isocyanates feed pot 3, solid flame retardant feed pot 3 independent setting separately, and be connected with the first charge door 41, the second charge door 42 and the 3rd charge door 43 on described blender 4 respectively by pipeline; In connecting pipe in connecting pipe between described polyurethane combination polyalcohol feed pot 1 and described the first charge door 41, between described isocyanates feed pot 2 and the second charge door 42, be respectively arranged with described liquid charging device, in the connecting pipe between described solid flame retardant feed pot 3 and described the 3rd charge door 43, be provided with described solid feeding device; Described liquid charging device combines the material in polyalcohol feed pot 1 and isocyanates feed pot 2, described solid feeding device by the material in solid flame retardant feed pot 3 by described polyurethane, add in proportion in described blender 4, described blender 4 carries out foaming to inputting described foam forming machine 5 after mixing of materials, makes described polyurethane foam board.
The production equipment of polyurethane foam board described in the present embodiment, cause includes solid flame retardant feed pot and it is connected with the 3rd charge door of blender by pipeline and solid feeding device, thereby can in blender, add solid flame retardant, after fully mixing, polyurethane foam board is made in foaming again, this polyurethane foam board has not only significantly improved fire resistance, and can significantly improve mechanical property, dimensional stability, and process is medium under arms can not move to plate surface for fire retardant, the fire resistance of sheet material is very stable in process under arms; In addition, the present invention separately adds liquid material and solid material, having solved sedimentation in material conveying process and blender easy obstruction can not quantity-produced problem, realized the continuous production of panel production line, the bottleneck problem that this has solved in current polyurethane foam board production process, can make stable components, polyurethane foam board that fire resistance is good.
According to one embodiment of present invention, preferably, described liquid charging device is gear pump 6, and described solid feeding device is screw pump 7.
In the present embodiment, adopt gear pump to add polyurethane combination polyalcohol and isocyanates, not only can ensure to add the precision of material but also with low cost, adopt screw pump to add solid flame retardant, not only can add as required solid flame retardant but also can reduce the wearing and tearing of charging (feeding) equipment, be a kind of preferred solid feeding device the service life of raising equipment.
Certainly, adopt other charging (feeding) equipments, such as plunger displacement pump, vane pump etc.; also can realize reinforced; as long as control feeding quantity meet reinforced needs of the present invention well, these are all in variation and the change of conceiving without prejudice to the present invention under situation, all should belong to protection scope of the present invention.
According to one embodiment of present invention, described screw pump 7 is Quimby pump.In the present embodiment, employing Quimby pump can add the solid flame retardant of various forms, can add particulate fire retardant, fibrous fire retardant and sheet fire retardant, or their combination, has expanded the scope of application of production equipment.
According to one embodiment of present invention, in connecting pipe in connecting pipe in connecting pipe between described polyurethane combination polyalcohol feed pot 1 and described the first charge door 41, between described isocyanates feed pot 2 and the second charge door 42, between described solid flame retardant feed pot 3 and described the 3rd charge door 43, be provided with flowmeter 8, for showing the component that adds described blender material.
In the present embodiment, flowmeter is set respectively adding on pipeline, can shows dynamic addition, to further control in real time the precision that adds material, reduce error and defect ware rate, cost-saving in producing.
Certainly control and show flow, also can be undertaken by electronically, only with respect to the present embodiment, cost is higher, control is more complicated.
According to some embodiments of the present invention, described the 3rd charge door 43, at the height of vertical direction, is not more than described the first charge door 41 and the second charge door 42.
In the present embodiment, described the 3rd charge door is at the height of vertical direction, be not more than described the first charge door and the second charge door, the 3rd charge door is positioned at the below of described the first and second charge doors, can prevent in blender in mixed process, solid flame retardant overflows blender and affects the fire resistance of production board.
According to one embodiment of present invention, described the first charge door 41 and the second charge door 42 are oppositely arranged, and described the 3rd charge door 43 is positioned at the below of described the second charge door 42.
In the present embodiment, the first charge door and the second charge door are oppositely arranged, the first charge door liquid material and the second charge door liquid material out out, can first fully mix, and then and solid flame retardant, obtain mixture of viscous form, import drapery panel and carry out cloth, thereby can make the material adding in the first charge door and the second charge door more fully mix.
According to some embodiments of the present invention, described blender 4 is mechanical agitation type blender.
In the present embodiment, adopt mechanical agitation type blender, can realize low pressure mechanical mixture, thereby three kinds of mixing of materials that guarantee adds is more abundant, and hybrid mode is simple, with low cost.
According to one embodiment of present invention, described blender 4 comprises: stirrer paddle 44 and drapery panel 45, described stirrer paddle 44 is inputted foaming in described foam forming machine 5 by described drapery panel 45 after the material stirring adding from described the first charge door 41, the second charge door 42 and the 3rd charge door 43 is mixed.
In the present embodiment, adopt stirrer paddle to be uniformly mixed material, can realize the mixing of materials sufficient degree at diverse location place different and can realize mixing limit, limit convey materials, enhance productivity, and mixed material is inputted drapery panel by blade, without adding other mixed material conveying equipment, can simplified apparatus, reduce costs.
Certainly, the mode that also can adopt high-pressure atomization to expand to mix is fully mixed the liquid material adding from the first charge door and the second charge door, and these all do not depart from thought of the present invention, should belong to protection scope of the present invention yet.
According to some embodiments of the present invention, described solid flame retardant comprises: any one in particulate fire retardant, fibrous fire retardant, sheet fire retardant or several combination arbitrarily.
In the present embodiment, the form of solid flame retardant can be diversified, for example not only can add powder catalyst, and can add the catalyst of fibrous or sheet or several persons' combination, can not only significantly improve the fire resistance of material, and can significantly improve mechanical property and the dimensional stability of material, thus the applicable scope of production equipment improved, and the processing cost of conservation.
According to one embodiment of present invention, described polyurethane combination polyalcohol comprises: PPG, PEPA, blowing agent and foam stabilizer.
In the present embodiment, the main material of polyurethane foam board is liquid, add in blender by described polyurethane combination polyalcohol feed pot and liquid charging device, realizing solid-liquid separately adds, can improve reinforced precision, prevent precipitation and obstruction in course of conveying, be convenient to control the quality of finished product sheet material and realize continuously and producing.
The production equipment of the polyurethane foam board that the above embodiment of the present invention provides, cause includes solid flame retardant feed pot and it is connected with the 3rd charge door of blender by pipeline and solid feeding device, not only can add powder fire retardant, and can add fibrous or sheet or several persons' combination fire retardant, thereby can make polyurethane foam board not only significantly improve fire resistance, and can significantly improve mechanical property, dimensional stability, and process is medium under arms can not move to plate surface for fire retardant, the fire resistance of sheet material is very stable in process under arms, in addition, the present invention separately adds liquid material and solid material, having solved sedimentation in material conveying process and blender easy obstruction can not quantity-produced problem, realized the continuous production of panel production line, the bottleneck problem that this has solved in current polyurethane foam board production process, realizes goal of the invention of the present invention.
In the present invention, term " first ", " second ", " the 3rd " be only for describing object, and can not be interpreted as instruction or hint relative importance.Term " multiple " refers to two or more, unless separately there is clear and definite restriction.
In the present invention, unless otherwise clearly defined and limited, the terms such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be mechanical connection, can be also electrical connection; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can understand as the case may be above-mentioned term concrete meaning in the present invention.
In the description of this description, the description of term " embodiment ", " some embodiment ", " specific embodiment " etc. means to be contained at least one embodiment of the present invention or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And specific features, structure, material or the feature of description can be with suitable mode combination in any one or more embodiment or example.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a production equipment for polyurethane foam board, is characterized in that,
Comprise polyurethane combination polyalcohol feed pot, isocyanates feed pot, solid flame retardant feed pot, liquid charging device, solid feeding device, blender and foam forming machine;
Described polyurethane combination polyalcohol feed pot, isocyanates feed pot, solid flame retardant feed pot independently arrange separately, and are connected with the first charge door, the second charge door and the 3rd charge door on described blender respectively by pipeline;
In connecting pipe in connecting pipe between described polyurethane combination polyalcohol feed pot and described the first charge door, between described isocyanates feed pot and the second charge door, be respectively arranged with described liquid charging device, in the connecting pipe between described solid flame retardant feed pot and described the 3rd charge door, be provided with described solid feeding device;
Described liquid charging device combines the material in polyalcohol feed pot and isocyanates feed pot, described solid feeding device by the material in solid flame retardant feed pot by described polyurethane, add in proportion in described blender, described blender is inputted in described foam forming machine after to mixing of materials and is carried out foaming, makes described polyurethane foam board.
2. the production equipment of polyurethane foam board according to claim 1, is characterized in that,
Described liquid charging device is gear pump, and described solid feeding device is screw pump.
3. the production equipment of polyurethane foam board according to claim 2, is characterized in that,
Described screw pump is Quimby pump.
4. the production equipment of polyurethane foam board according to claim 2, is characterized in that,
In connecting pipe in connecting pipe in connecting pipe between described polyurethane combination polyalcohol feed pot and described the first charge door, between described isocyanates feed pot and the second charge door, between described solid flame retardant feed pot and described the 3rd charge door, be provided with flowmeter, for showing the component that adds described blender material.
5. according to the production equipment of the polyurethane foam board described in any one in claim 1-4, it is characterized in that,
Described the 3rd charge door, at the height of vertical direction, is not more than described the first charge door and the second charge door.
6. the production equipment of polyurethane foam board according to claim 5, is characterized in that,
Described the first charge door and the second charge door are oppositely arranged, and described the 3rd charge door is positioned at the below of described the second charge door.
7. according to the production equipment of the polyurethane foam board described in any one in claim 1-4, it is characterized in that,
Described blender is mechanical agitation blender.
8. the production equipment of polyurethane foam board according to claim 7, is characterized in that,
Described blender comprises: stirrer paddle and drapery panel, described stirrer paddle is inputted in described foam forming machine by described drapery panel after the material stirring adding from described the first charge door, the second charge door and the 3rd charge door is mixed.
9. according to the production equipment of the polyurethane foam board described in any one in claim 1-4, it is characterized in that,
Described solid flame retardant comprises: any one in particulate fire retardant, fibrous fire retardant, sheet fire retardant or several combination arbitrarily.
10. the production equipment of polyurethane foam board according to claim 9, is characterized in that,
Described polyurethane combination polyalcohol comprises: PPG, PEPA, blowing agent and foam stabilizer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410335121.1A CN104118086A (en) | 2014-07-15 | 2014-07-15 | Production equipment of polyurethane foam board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410335121.1A CN104118086A (en) | 2014-07-15 | 2014-07-15 | Production equipment of polyurethane foam board |
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| CN104118086A true CN104118086A (en) | 2014-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410335121.1A Pending CN104118086A (en) | 2014-07-15 | 2014-07-15 | Production equipment of polyurethane foam board |
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| CN (1) | CN104118086A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104476713A (en) * | 2014-12-09 | 2015-04-01 | 广西吉顺能源科技有限公司 | Polyurethane foaming machine |
| CN110901094A (en) * | 2019-12-17 | 2020-03-24 | 蒂普拓普（天津）橡胶技术有限公司 | Wear-resistant lining plate and manufacturing method and equipment thereof |
| CN112142939A (en) * | 2020-10-21 | 2020-12-29 | 惠彩材料科技(苏州)有限公司 | Mixed foaming method of polyurethane |
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| CN1226475A (en) * | 1997-11-28 | 1999-08-25 | 亨内克股份有限公司 | Method and apparatus for producing polyurethane mouldings |
| CN1887562A (en) * | 2006-07-31 | 2007-01-03 | 刘亚青 | Multipurpose polymer forming machine |
| CN101948666A (en) * | 2010-09-17 | 2011-01-19 | 北京化工大学 | Method and equipment for continuously preparing hot melt glue |
| CN203994411U (en) * | 2014-07-15 | 2014-12-10 | 北京市建筑工程研究院有限责任公司 | The production equipment of polyurethane foam board |
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| CN1226475A (en) * | 1997-11-28 | 1999-08-25 | 亨内克股份有限公司 | Method and apparatus for producing polyurethane mouldings |
| CN1887562A (en) * | 2006-07-31 | 2007-01-03 | 刘亚青 | Multipurpose polymer forming machine |
| CN101948666A (en) * | 2010-09-17 | 2011-01-19 | 北京化工大学 | Method and equipment for continuously preparing hot melt glue |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104476713A (en) * | 2014-12-09 | 2015-04-01 | 广西吉顺能源科技有限公司 | Polyurethane foaming machine |
| CN110901094A (en) * | 2019-12-17 | 2020-03-24 | 蒂普拓普（天津）橡胶技术有限公司 | Wear-resistant lining plate and manufacturing method and equipment thereof |
| CN110901094B (en) * | 2019-12-17 | 2021-09-03 | 蒂普拓普（天津）橡胶技术有限公司 | Wear-resistant lining plate and manufacturing method and equipment thereof |
| CN112142939A (en) * | 2020-10-21 | 2020-12-29 | 惠彩材料科技(苏州)有限公司 | Mixed foaming method of polyurethane |
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Application publication date: 20141029 |
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