CN102653586A - Thermoplastic polyurethane (TPU) production equipment - Google Patents
Thermoplastic polyurethane (TPU) production equipment Download PDFInfo
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- CN102653586A CN102653586A CN2012101598691A CN201210159869A CN102653586A CN 102653586 A CN102653586 A CN 102653586A CN 2012101598691 A CN2012101598691 A CN 2012101598691A CN 201210159869 A CN201210159869 A CN 201210159869A CN 102653586 A CN102653586 A CN 102653586A
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Abstract
The invention discloses thermoplastic polyurethane (TPU) production equipment, which is characterized by comprising a counter for counting raw materials, a premixing device for premixing the counted raw materials and an extruder for mixing the premixed raw materials at a high temperature, wherein a raw material conveying pipeline is connected between the counter and the premixing device; an exhaust port is formed on the premixing device; and a material inlet in butt joint with the exhaust port is formed on the extruder. The TPU production equipment has the advantages that three raw materials for producing TPU are premixed and pre-reacted during mixing, so that effective collision efficiency among molecules is improved, and the using amount of contact agent is effectively reduced; and furthermore, the temperature is controlled by a heating medium temperature control device, the activated molecule energy of the raw materials during chemical reaction is maintained, the reaction rate is increased, and the quality of a product is improved.
Description
Technical field
The present invention relates to a kind of equipment of processing Chemicals, be specifically related to the production unit of thermoplastic polyurethane (hereinafter to be referred as TPU).
Background technology
Normally polyester polyol, vulcabond and three kinds of raw materials mix reactions of small molecule chain extender of material rate obtain TPU by controlling well; In actual production process; Because the reactivity of small molecule chain extender is better than polyester polyol, so reaction process often consumes vulcabond at first; Cause the pure and mild small molecule chain extender of polyester polyols in the molecular chain of TPU product, can not distribute equably, thereby the TPU product performance that cause obtaining are unstable.Simultaneously, in reaction process,, need to add catalyst in order to improve speed of reaction; But because often contain heavy metal substance in the catalyst, the words of adding a large amount of catalyst can cause the toxic action of TPU product strong, simultaneously; Catalyst itself exists certain corrodibility and smell problem; The usage quantity to catalyst in the reaction process can't satisfy environmental requirement, so preferably can be controlled to some extent.And traditional T PU production unit can't overcome the above problems.
Summary of the invention
For solving the deficiency of prior art, the object of the present invention is to provide a kind of TPU production unit, not only can improve the quality of products, and can reduce the catalyst usage quantity.
In order to realize above-mentioned target, the present invention adopts following technical scheme:
The TPU production unit is characterized in that, comprising: the gauger to raw material measures, the raw material that measures is carried out premixed pre-mixing apparatus, and the raw material behind the premix is carried out the forcing machine of high-temperature mixing; Be connected with the feed line road between above-mentioned gauger and the pre-mixing apparatus, above-mentioned pre-mixing apparatus is provided with relief outlet, and above-mentioned forcing machine is provided with the opening for feed that docks with above-mentioned relief outlet.
Aforesaid TPU production unit is characterized in that, above-mentioned gauger inside is divided into 3 zones, is respectively applied for three kinds of raw materials that TPU is produced in metering: polyester polyol, vulcabond and small molecule chain extender.
Aforesaid TPU production unit is characterized in that, the above-mentioned raw materials transfer line is 3, is connected with 3 inner zones of above-mentioned gauger respectively.
Aforesaid TPU production unit is characterized in that, above-mentioned forcing machine is a twin screw extruder.
Aforesaid TPU production unit is characterized in that, above-mentioned pre-mixing apparatus comprises: high-speed stirring motor, spiral mixing duct.
Aforesaid TPU production unit is characterized in that, also comprises the heating agent temperature regulating device that is used to keep material temperature, and the heat kerosene of above-mentioned heating agent temperature regulating device is arranged at the periphery of above-mentioned pre-mixing apparatus.
Usefulness of the present invention is: TPU production unit of the present invention, three kinds of raw materials producing TPU have been carried out pre-mixing, and pre-reaction has taken place in three kinds of raw materials in the mixing process; Increase intermolecular effective collision frequency; Can effectively reduce the usage quantity of catalyst, and, keep the activated molecule energy in the raw material chemical reaction process through heating agent temperature control unit controlled temperature; Improve speed of reaction, improved the quality of product.
Description of drawings
Fig. 1 is the structural representation of a preferred embodiment of TPU production unit of the present invention;
The implication of Reference numeral among the figure: 1, gauger, 2, forcing machine, 3, the feed line road, 4, relief outlet, 5, opening for feed, 6, the high-speed stirring motor, 7, spiral mixing duct, 8, the heating agent temperature regulating device.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is done concrete introduction.
Referring to Fig. 1, TPU production unit of the present invention comprises: the gauger 1 to raw material measures, the raw material that measures is carried out premixed pre-mixing apparatus, and the raw material behind the premix is carried out the forcing machine 2 of high-temperature mixing.As a kind of preferred, forcing machine 2 is a twin screw extruder 2.Wherein, be connected through feed line road 3 between gauger 1 and the pre-mixing apparatus, carry out pre-mixing in the pre-mixing apparatus to realize raw material is transported to.
Pre-mixing apparatus is provided with relief outlet 4, and forcing machine 2 is provided with the opening for feed 5 that docks with relief outlet 4.Like this after pre-mixing is accomplished directly to forcing machine 2 feedings.Certainly, the TPU production unit also comprises tablets press, water extracter etc., sets forth here and does not represent equipment of the present invention not have, because these all certainly exist and are readily appreciated that, so do not give unnecessary details among the present invention.
So, raw material just gets in the forcing machine 2 after having carried out pre-mixing and processes, and the premixed time can be selected according to demand.In fact, premixed process also is a process of carrying out pre-reaction between the raw material, can help to improve the efficient and the speed of reaction of entire reaction course, significantly reduces the usage quantity of catalyst.Through facts have proved, carry out pre-mixing and can reaction efficiency be improved 15%-20%.
Usually need during TPU produces to use three kinds of raw materials,, be respectively applied for three kinds of raw materials that TPU is produced in metering: polyester polyol, vulcabond and small molecule chain extender so gauger 1 inside is divided into 3 zones.Accordingly, feed line road 3 also is 3, connects one to one with gauger 13 inner zones respectively.
Specifically, pre-mixing apparatus preferably includes: high-speed stirring motor 6, spiral mixing duct 7.High-speed stirring motor 6 all can make pre-mixing more even with spiral mixing duct 7, thereby makes the quality of product get a promotion.Need to prove that Fig. 1 is merely synoptic diagram, thus the spiral-shaped of spiral mixing duct 7 can not from figure, find out, it is actual be shaped as spiral.
Further; In order to make premixing effect better, the TPU production unit also comprises the heating agent temperature regulating device 8 that is used to keep material temperature, and the heat kerosene (not shown) of heating agent temperature regulating device 8 is arranged at the periphery of pre-mixing apparatus; So that the temperature in the pre-mixing apparatus is consistent, keep premixing effect preferably.
More than show and described ultimate principle of the present invention, principal character and advantage.The technician of the industry should understand, and the foregoing description does not limit the present invention in any form, and all employings are equal to the technical scheme that mode obtained of replacement or equivalent transformation, all drop in protection scope of the present invention.
Claims (6)
1.TPU production unit is characterized in that, comprising: the gauger to raw material measures, the raw material that measures is carried out premixed pre-mixing apparatus, the raw material behind the premix is carried out the forcing machine of high-temperature mixing; Be connected with the feed line road between above-mentioned gauger and the pre-mixing apparatus, above-mentioned pre-mixing apparatus is provided with relief outlet, and above-mentioned forcing machine is provided with the opening for feed that docks with above-mentioned relief outlet.
2. TPU production unit according to claim 1 is characterized in that, above-mentioned gauger inside is divided into 3 zones, is respectively applied for three kinds of raw materials that TPU is produced in metering: polyester polyol, vulcabond and small molecule chain extender.
3. TPU production unit according to claim 2 is characterized in that, the above-mentioned raw materials transfer line is 3, is connected with 3 inner zones of above-mentioned gauger respectively.
4. TPU production unit according to claim 1 is characterized in that, above-mentioned forcing machine is a twin screw extruder.
5. according to each described TPU production unit of claim 1-4, it is characterized in that above-mentioned pre-mixing apparatus comprises: high-speed stirring motor, spiral mixing duct.
6. TPU production unit according to claim 5 is characterized in that, also comprises the heating agent temperature regulating device that is used to keep material temperature, and the heat kerosene of above-mentioned heating agent temperature regulating device is arranged at the periphery of above-mentioned pre-mixing apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101598691A CN102653586A (en) | 2012-05-22 | 2012-05-22 | Thermoplastic polyurethane (TPU) production equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101598691A CN102653586A (en) | 2012-05-22 | 2012-05-22 | Thermoplastic polyurethane (TPU) production equipment |
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| Publication Number | Publication Date |
|---|---|
| CN102653586A true CN102653586A (en) | 2012-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012101598691A Pending CN102653586A (en) | 2012-05-22 | 2012-05-22 | Thermoplastic polyurethane (TPU) production equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109160989A (en) * | 2018-08-23 | 2019-01-08 | 周朝功 | A kind of production system and production technology of thermoplastic polyurethane |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004182980A (en) * | 2002-11-20 | 2004-07-02 | Fci Kk | Thermoplastic polyurethane, its manufacturing process and its manufacturing apparatus |
| CN202595016U (en) * | 2012-05-22 | 2012-12-12 | 高鼎精细化工(昆山)有限公司 | TPU (Thermoplastic Polyurethane) production equipment |
-
2012
- 2012-05-22 CN CN2012101598691A patent/CN102653586A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004182980A (en) * | 2002-11-20 | 2004-07-02 | Fci Kk | Thermoplastic polyurethane, its manufacturing process and its manufacturing apparatus |
| CN202595016U (en) * | 2012-05-22 | 2012-12-12 | 高鼎精细化工(昆山)有限公司 | TPU (Thermoplastic Polyurethane) production equipment |
Non-Patent Citations (2)
| Title |
|---|
| 朱长春等: "热塑性聚氨酯的生产、加工与应用", 《化学推进剂与高分子材料》, vol. 3, no. 2, 25 April 2005 (2005-04-25), pages 40 - 45 * |
| 白子文等: "TPU生产工艺路线的比较与选择", 《聚氨酯工业》, vol. 20, no. 5, 28 October 2005 (2005-10-28), pages 37 - 40 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109160989A (en) * | 2018-08-23 | 2019-01-08 | 周朝功 | A kind of production system and production technology of thermoplastic polyurethane |
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Application publication date: 20120905 |