CN204816519U - Polyurethane elastomer polyalcohols intermittent type formula dewatering device - Google Patents
Polyurethane elastomer polyalcohols intermittent type formula dewatering device Download PDFInfo
- Publication number
- CN204816519U CN204816519U CN201520547878.7U CN201520547878U CN204816519U CN 204816519 U CN204816519 U CN 204816519U CN 201520547878 U CN201520547878 U CN 201520547878U CN 204816519 U CN204816519 U CN 204816519U
- Authority
- CN
- China
- Prior art keywords
- synthesis reactor
- polyester synthesis
- polyalcohols
- polyurethane elastomer
- communicated
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 150000005846 sugar alcohols Polymers 0.000 title claims abstract description 27
- 229920003225 polyurethane elastomer Polymers 0.000 title claims abstract description 20
- 229920000728 polyester Polymers 0.000 claims abstract description 53
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 16
- 239000000498 cooling water Substances 0.000 claims abstract description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 47
- 238000003786 synthesis reaction Methods 0.000 claims description 47
- 238000010992 reflux Methods 0.000 claims description 16
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 11
- 210000004916 vomit Anatomy 0.000 claims description 7
- 230000008673 vomiting Effects 0.000 claims description 7
- 229910001873 dinitrogen Inorganic materials 0.000 abstract 1
- 230000018044 dehydration Effects 0.000 description 4
- 238000006297 dehydration reaction Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000012948 isocyanate Substances 0.000 description 3
- 150000002513 isocyanates Chemical class 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000004604 Blowing Agent Substances 0.000 description 1
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 1
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000037396 body weight Effects 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920001195 polyisoprene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
Landscapes
- Polyesters Or Polycarbonates (AREA)
Abstract
The utility model discloses a polyurethane elastomer polyalcohols intermittent type formula dewatering device, including the synthetic cauldron of polyester, nitrogen supply (NS) ware and vacuum apparatus, the nitrogen supply (NS) ware passes through the synthetic cauldron of nitrogen gas pipeline intercommunication polyester, vacuum apparatus passes through the synthetic cauldron of vacuum pipe intercommunication polyester, be equipped with the buffer tank on the vacuum pipe, at least one tourie and oil water separator, the synthetic cauldron of oil water separator intercommunication polyester, buffer tank intercommunication vacuum apparatus, the lower extreme surface of the synthetic cauldron of polyester is equipped with at least two sets of heaters group, heater group of every group comprises two electric heater, an upper end surface utensil cooling water intermediate layer of the synthetic cauldron of polyester, be equipped with the agitator in the synthetic cauldron of polyester.
Description
Technical field
The utility model relates to polyurethane elastomer production equipment, particularly a kind of polyurethane elastomer polyalcohols batch (-type) dewater unit.
Background technology
Fundamental reaction principle according to polyurethane is learnt, isocyanates have overlapping double bond-N=C=O group, its chemical property and active, its energy and water, the micro-moisture even in humid air, can react generation amine, and then production urea, and produce carbon dioxide.Therefore, in the production of polyurethane foam product, water can use as blowing agent, but when producing still polyurethane elastomer, water but should be avoided as far as possible, its to have an impact in closely knit caoutchouc elasticity body weight the bubble of performance, meanwhile, and the isocyanates of the amount of substances such as the water consumption that molecular weight is very low, when using TDI, 1g water will consume 9.67gTDI, and when using MDI, 1g water will consume 13.9gMDI.As can be seen here, in reaction system, micro-not only affects properties of product, and can consume a large amount of expensive isocyanates, and production cost is increased.Therefore, in the synthesis of performed polymer, first processed should be carried out to polyalcohols.
Utility model content
The purpose of this utility model is the above-mentioned defect for prior art, provides the polyurethane elastomer polyalcohols batch (-type) dewater unit that a kind of structure is simple, dehydrating operations technique is few, equipment investment is little.
For solving the above-mentioned defect of prior art, the technical scheme that the utility model provides is: a kind of polyurethane elastomer polyalcohols batch (-type) dewater unit, comprise polyester synthesis reactor, nitrogen supply (NS) device and vacuum plant, described nitrogen supply (NS) device is communicated with described polyester synthesis reactor by nitrogen pipeline, described vacuum plant is communicated with described polyester synthesis reactor by vacuum pipe, described vacuum pipe is provided with surge tank, at least one tourie and oil water separator, described oil water separator is communicated with described polyester synthesis reactor, described surge tank is communicated with described vacuum plant, the rear surface of described polyester synthesis reactor is provided with at least two group Heater group, often organize Heater group to be made up of two electric heaters, upper end face tool one cooling water sandwich of described polyester synthesis reactor, agitator is provided with in described polyester synthesis reactor.
One as the utility model polyurethane elastomer polyalcohols batch (-type) dewater unit is improved, and the bottom of described polyester synthesis reactor is provided with vomit pipe, and described vomit pipe is provided with cooler.
One as the utility model polyurethane elastomer polyalcohols batch (-type) dewater unit is improved, and described nitrogen pipeline is provided with Pressure gauge and flowmeter.
One as the utility model polyurethane elastomer polyalcohols batch (-type) dewater unit is improved, also comprise at least one low mass molecule alcohol head tank, described low mass molecule alcohol head tank is communicated with described polyester synthesis reactor, and the horizontal level of described low mass molecule alcohol head tank is higher than the horizontal level of described polyester synthesis reactor.
One as the utility model polyurethane elastomer polyalcohols batch (-type) dewater unit is improved, also comprise a reflux condenser and condenser, described reflux condenser is communicated with described polyester synthesis reactor, described condenser is communicated with described vacuum pipe, lower end on described reflux condenser is provided with the first water inlet, upper end on described reflux condenser is provided with the first delivery port, and the lower end of described condenser is provided with the second water inlet, and the upper end of described condenser is provided with the second delivery port.
One as the utility model polyurethane elastomer polyalcohols batch (-type) dewater unit is improved, and described reflux condenser, condenser and polyester synthesis reactor is equipped with the thermometer of measuring tempeature.
Compared with prior art, the utility model has the advantages that: the utility model is when dewatering to polyalcohols, polyalcohols is poured in polyester synthesis reactor, heated polyester synthesis reactor by electric heater, heating and temperature control, at 120 DEG C ~ 140 DEG C, vacuumizes in polyester synthesis reactor, vacuum control is at 130Pa ~ 140Pa, stirred the polyalcohols in polyester synthesis reactor by agitator, the continuous reduced pressure treatment time, at 3 ~ 4 hours, can complete dehydration again.The dehydration of this dewater unit is simple, and equipment investment is little, is applicable to small business and plurality of raw materials process.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Reference numeral title: 1, polyester synthesis reactor 2, nitrogen supply (NS) device 3, vacuum plant 4, nitrogen pipeline 5, vacuum pipe 6, surge tank 7, tourie 8, oil water separator 9, electric heater 10, vomit pipe 11, cooler 12, Pressure gauge 13, flowmeter 14, low mass molecule alcohol head tank 15, reflux condenser 16, condenser 17, first water inlet 18, first delivery port 19, second water inlet 20, second delivery port 21, thermometer.
Detailed description of the invention
Just with reference to the accompanying drawings the utility model is further described below.
As shown in Figure 1, a kind of polyurethane elastomer polyalcohols batch (-type) dewater unit, comprise polyester synthesis reactor 1, nitrogen supply (NS) device 2 and vacuum plant 3, nitrogen supply (NS) device 2 is communicated with polyester synthesis reactor 1 by nitrogen pipeline 4, vacuum plant 3 is communicated with polyester synthesis reactor 1 by vacuum pipe 5, vacuum pipe 5 is provided with surge tank 6, at least one tourie 7 and oil water separator 8, oil water separator 8 is communicated with polyester synthesis reactor 1, surge tank 6 is communicated with vacuum plant 3, the rear surface of polyester synthesis reactor 1 is provided with at least two group Heater group, often organize Heater group to be made up of two electric heaters 9, upper end face tool one cooling water sandwich of polyester synthesis reactor 1, agitator is provided with in polyester synthesis reactor.Cooling water sandwich passes into cooling water, facilitates the temperature of heating and cooling polyester synthesis reactor 1 to control.
Preferably, the bottom of polyester synthesis reactor 1 is provided with vomit pipe 10, and vomit pipe 10 is provided with cooler 11.Cooler 11 can prevent high temperature blowing from occurring to be oxidized the defect causing polyalcohols color burn.
Preferably, nitrogen pipeline 4 is provided with Pressure gauge 12 and flowmeter 13.
Preferably, also comprise at least one low mass molecule alcohol head tank 14, low mass molecule alcohol head tank 14 is communicated with polyester synthesis reactor 1, and the horizontal level of low mass molecule alcohol head tank 14 is higher than the horizontal level of polyester synthesis reactor 1.Increase low mass molecule alcohol head tank 14 can dewater to polyalcohols continuously, improve dewatering efficiency.
Preferably, also comprise a reflux condenser 15 and condenser 16, reflux condenser 15 is communicated with polyester synthesis reactor 1, condenser 16 is communicated with vacuum pipe 5, lower end on reflux condenser 15 is provided with the first water inlet 17, upper end on reflux condenser 15 is provided with the first delivery port 18, and the lower end of condensation 16 device is provided with the second water inlet 19, and the upper end of condenser 16 is provided with the second delivery port 20.
Preferably, reflux condenser 15, condenser 16 and polyester synthesis reactor 1 are equipped with the thermometer 21 of measuring tempeature.
The utility model is when dewatering to polyalcohols, polyalcohols is poured in polyester synthesis reactor, by electric heater, polyester synthesis reactor is heated, heating and temperature control is at 120 DEG C ~ 140 DEG C, vacuumize in polyester synthesis reactor, vacuum control at 130Pa ~ 140Pa, then is stirred the polyalcohols in polyester synthesis reactor by agitator, the continuous reduced pressure treatment time, at 3 ~ 4 hours, can complete dehydration.The dehydration of this dewater unit is simple, and equipment investment is little, is applicable to small business and plurality of raw materials process.
The announcement of book and instruction according to the above description, the utility model those skilled in the art can also carry out suitable change and amendment to above-mentioned embodiment.Therefore, the utility model is not limited to detailed description of the invention disclosed and described above, also should fall in the protection domain of claim of the present utility model modifications and changes more of the present utility model.In addition, although employ some specific terms in this description, these terms just for convenience of description, do not form any restriction to the utility model.
Claims (6)
1. a polyurethane elastomer polyalcohols batch (-type) dewater unit, comprise polyester synthesis reactor, nitrogen supply (NS) device and vacuum plant, it is characterized in that, described nitrogen supply (NS) device is communicated with described polyester synthesis reactor by nitrogen pipeline, described vacuum plant is communicated with described polyester synthesis reactor by vacuum pipe, described vacuum pipe is provided with surge tank, at least one tourie and oil water separator, described oil water separator is communicated with described polyester synthesis reactor, described surge tank is communicated with described vacuum plant, the rear surface of described polyester synthesis reactor is provided with at least two group Heater group, often organize Heater group to be made up of two electric heaters, upper end face tool one cooling water sandwich of described polyester synthesis reactor, agitator is provided with in described polyester synthesis reactor.
2. polyurethane elastomer polyalcohols batch (-type) dewater unit according to claim 1, it is characterized in that, the bottom of described polyester synthesis reactor is provided with vomit pipe, and described vomit pipe is provided with cooler.
3. polyurethane elastomer polyalcohols batch (-type) dewater unit according to claim 1, it is characterized in that, described nitrogen pipeline is provided with Pressure gauge and flowmeter.
4. polyurethane elastomer polyalcohols batch (-type) dewater unit according to claim 1, it is characterized in that, also comprise at least one low mass molecule alcohol head tank, described low mass molecule alcohol head tank is communicated with described polyester synthesis reactor, and the horizontal level of described low mass molecule alcohol head tank is higher than the horizontal level of described polyester synthesis reactor.
5. polyurethane elastomer polyalcohols batch (-type) dewater unit according to claim 1, it is characterized in that, also comprise a reflux condenser and condenser, described reflux condenser is communicated with described polyester synthesis reactor, described condenser is communicated with described vacuum pipe, and the lower end on described reflux condenser is provided with the first water inlet, and the upper end on described reflux condenser is provided with the first delivery port, the lower end of described condenser is provided with the second water inlet, and the upper end of described condenser is provided with the second delivery port.
6. polyurethane elastomer polyalcohols batch (-type) dewater unit according to claim 5, is characterized in that, described reflux condenser, condenser and polyester synthesis reactor are equipped with the thermometer of measuring tempeature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520547878.7U CN204816519U (en) | 2015-07-27 | 2015-07-27 | Polyurethane elastomer polyalcohols intermittent type formula dewatering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520547878.7U CN204816519U (en) | 2015-07-27 | 2015-07-27 | Polyurethane elastomer polyalcohols intermittent type formula dewatering device |
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| Publication Number | Publication Date |
|---|---|
| CN204816519U true CN204816519U (en) | 2015-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520547878.7U Expired - Fee Related CN204816519U (en) | 2015-07-27 | 2015-07-27 | Polyurethane elastomer polyalcohols intermittent type formula dewatering device |
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| CN (1) | CN204816519U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110218307A (en) * | 2019-06-19 | 2019-09-10 | 美瑞新材料股份有限公司 | A kind of preparation system of polyetheramine |
-
2015
- 2015-07-27 CN CN201520547878.7U patent/CN204816519U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110218307A (en) * | 2019-06-19 | 2019-09-10 | 美瑞新材料股份有限公司 | A kind of preparation system of polyetheramine |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 |
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| CF01 | Termination of patent right due to non-payment of annual fee |