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CN106426615B - The online mixing equipment of polyethers continous way - Google Patents

The online mixing equipment of polyethers continous way Download PDF

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Publication number
CN106426615B
CN106426615B CN201611003124.0A CN201611003124A CN106426615B CN 106426615 B CN106426615 B CN 106426615B CN 201611003124 A CN201611003124 A CN 201611003124A CN 106426615 B CN106426615 B CN 106426615B
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China
Prior art keywords
reactant
valve
metering
raw material
continous way
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CN201611003124.0A
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CN106426615A (en
Inventor
吴壮利
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WUHAN ZHENGWEI MACHINERY CO Ltd
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WUHAN ZHENGWEI MACHINERY CO Ltd
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Priority to CN201611003124.0A priority Critical patent/CN106426615B/en
Publication of CN106426615A publication Critical patent/CN106426615A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00Mixing; Kneading
    • B29B7/30Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/58Component parts, details or accessories; Auxiliary operations
    • B29B7/60Component parts, details or accessories; Auxiliary operations for feeding, e.g. end guides for the incoming material
    • B29B7/603Component parts, details or accessories; Auxiliary operations for feeding, e.g. end guides for the incoming material in measured doses, e.g. proportioning of several materials
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00Mixing; Kneading
    • B29B7/30Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/58Component parts, details or accessories; Auxiliary operations
    • B29B7/72Measuring, controlling or regulating

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Accessories For Mixers (AREA)

Abstract

The present invention relates to a kind of online mixing equipments of polyethers continous way, the difference is that:It includes reactant stocking system, reactant high-precision on-line metering system, auxiliary material continous way metering system, hybrid system and mixed raw material Storing and conveying system.The present invention can realize the on-line tuning of different formulations raw material, and measuring accuracy is high, improves production efficiency.

Description

The online mixing equipment of polyethers continous way
Technical field
The present invention relates to a kind of mixing equipment of urethane raw, more particularly to a kind of online batch mixing of polyethers continous way is set It is standby.
Background technology
With the fast development and polyurethane foaming products of current Domestic Automotive Industry answering extensively in automobile industry With how adapting to the inside gadgets of a variety of models different demands in terms of environmental protection, comfort level, cost control, exactly each vapour instantly The project that interior gadget manufacturer is studied jointly.
There are two types of previous production models, one is automotive upholstery manufacturer directly to urethane raw supply commercially available from Buy the polyhydric alcohol conjugate raw material for having added various auxiliary material auxiliary agents, another kind is the various raw material monomers of purchase, and then oneself is in proportion It after weighing, then is stirred using batch can, forms polyhydric alcohol conjugate raw material.The composition of raw materials that first way is bought back has been determined Type can not adapt to the adjusting at any time in process of production to technical recipe, and it is higher to buy cost of material, the second way, It using electronic scale by after different monomers raw material weighing, is injected into batch can and is stirred, such mode dispensing can only mix every time Other formula materials are mixed after a kind of complete formula material again, in order to allow raw material to be uniformly mixed, each stir mixing stand-by period is longer, Reaction volatilization is easy tod produce in raw material whipping process, causes environmental pollution, and influenced by the weighing accuracy of electronic scale, it is mixed every time The formula material of the same race closed, can all have a certain difference, and electronic scale is easy by environment temperature, humidity, vibration effect essence Degree, needs periodic calibrating.But with auto output be continuously increased and the Flexible production of different automobile types inside gadget, need in life During production, process adjustments are flexible strong, realize that the on-line tuning of different formulations raw material, each mixed weight can be controlled flexibly, respectively Kind raw material proportioning measuring accuracy requires≤5 ‰, therefore existing mixing equipment can not achieve the on-line control of automatic blending, production Less efficient, production cost is higher.
Invention content
It is an object of the invention to overcome the prior art, a kind of online mixing equipment of polyethers continous way, energy are provided Realize the on-line tuning of different formulations raw material, and measuring accuracy is high, improves production efficiency.
In order to solve the above technical problems, the technical scheme is that:The online mixing equipment of polyethers continous way, difference Be in:It includes reactant stocking system, reactant high-precision on-line metering system, auxiliary material continous way metering system, mixing System and mixed raw material Storing and conveying system;
The reactant stocking system includes two reactant storage elements, and one of reactant storage element is for depositing The first reactant, another reactant storage element are stored up for storing the second reactant, each reactant storage element packet Include sequentially connected groove tank car, discharging pump, first filter, the first inlet valve, reactant holding vessel, the first delivery pump, first Heat exchanger and first circulation valve, the first circulation valve are also connect with the reactant holding vessel, the reactant holding vessel, First delivery pump, first heat exchanger and first circulation valve form circulation loop, first delivery pump and first heat exchanger Between be additionally provided with the first output channel being connect with the reactant high-precision on-line metering system;
The reactant high-precision on-line metering system includes two reactant metering units, one of reactant metering Unit is for caching the first reactant of metering, another reactant metering units for caching the second reactant of metering, Mei Gesuo It includes sequentially connected second inlet valve, reactant buffer tank, second heat exchanger, the second filtering to state reactant metering units Device, reactant metering device, first flowmeter, the first blend pressure regulating device, second circulation valve and the first reflux test valve, Second inlet valve is connect with first output channel, and the first reflux test valve also connects with the reactant buffer tank It connects, the reactant buffer tank, second heat exchanger, the second filter, reactant metering device, first flowmeter, first mix Combined pressure apparatus for adjusting force, second circulation valve and the first reflux test valve form circulation loop, and first blend pressure adjusts dress It sets and is additionally provided with the second output channel between second circulation valve, the first mixing valve is provided on second output channel;
The auxiliary material continous way metering system includes several auxiliary materials storage metering units, and each auxiliary material stores metering units It is respectively used to storage and measures different auxiliary materials, each auxiliary material storage metering units include sequentially connected auxiliary material Raw material pail, auxiliary material Charge pump, auxiliary material holding vessel, auxiliary material metering device, second flowmeter, the second blend pressure regulating device, third circulating valve and Two reflux test valves, the second reflux test valve are also connect with the auxiliary material holding vessel, the auxiliary material holding vessel, auxiliary material metering Device, second flowmeter, the second blend pressure regulating device, third circulating valve and the second reflux test valve form circulation loop, Third output channel, the third output channel are additionally provided between the second blend pressure regulating device and third circulating valve On be provided with the second mixing valve;
The hybrid system include the hybrid integrated block being connect with the second output channel and third output channel and with it is described The static mixer of hybrid integrated block connection;
The mixed raw material Storing and conveying system includes several mixed raw material Storing and conveying units, the mixed raw material storage Supply unit is deposited to include sequentially connected feed pipe, mixed raw material holding vessel, third filter, the second delivery pump and the 4th follow Ring valve, the feed pipe connect with the static mixer and are provided on the feed pipe third inlet valve, and described Four circulating valves are also connect with the mixed raw material holding vessel, the mixed raw material holding vessel, third filter, the second delivery pump and 4th circulating valve forms circulation loop, and second delivery pump and the 4th circulating valve are additionally provided with tank connected with foaming machine work 4th output channel.
By above technical scheme, the reactant stocking system further includes the first temperature being connect with the first heat exchanger Control unit.
By above technical scheme, the reactant high-precision on-line metering system further includes connecting with the second heat exchanger The second temperature conditioning unit connect.
By above technical scheme, the hybrid system further includes unidirectional nozzle, second output channel and third output Pipeline is connect by unidirectional nozzle with the hybrid integrated block respectively.
By above technical scheme, agitating device is provided in the mixed raw material holding vessel.
By above technical scheme, the mixed raw material Storing and conveying system further includes third temperature conditioning unit, the third temperature Control unit is connect with the mixed raw material holding vessel.
By above technical scheme, the equipment further include respectively with the reactant high-precision on-line metering system, auxiliary material Continous way metering system and the compressed air supply system of mixed raw material Storing and conveying system connection.
By above technical scheme, the compressed air supply system is reacted with described respectively by compressed air supply line Object buffer tank, auxiliary material charge pump, auxiliary material holding vessel and the connection of mixed raw material holding vessel.
By above technical scheme, the valve is solenoid valve.
The prior art is compared, beneficial features of the invention are:The online mixing equipment of polyethers continous way, each reactant and auxiliary Material list solely stores and continuous on-line metering, can adjust the proportioning of each reactant and auxiliary material as needed in real time, and can be not Adjust automatically mixed proportion, formula in the case of shutdown, realize on-line control, need how many raw material that can mix in real time in production more Few raw material, will not cause to waste, and measuring accuracy is high, and on-line control is flexible;And it is between each mixed raw material Storing and conveying unit It is independent, the mixed raw material for storing various proportionings can be mixed respectively, can also be mixed the mixed raw material for storing same proportioning simultaneously, be made With convenient, can continous way produce various mixed raw materials, improve production efficiency.
Description of the drawings
Fig. 1 is overall structure block diagram of the embodiment of the present invention;
Fig. 2 is reactant stocking system structural schematic diagram in the embodiment of the present invention;
Fig. 3 is reactant high-precision on-line metering system structure diagram in the embodiment of the present invention;
Fig. 4 is auxiliary material continous way metering system structural schematic diagram in the embodiment of the present invention;
Fig. 5 is hybrid system structural schematic diagram in the embodiment of the present invention;
Fig. 6 is mixed raw material Storing and conveying system structure diagram in the embodiment of the present invention;
Wherein:1- reactant stocking systems(1a- reactant storage elements(101- groove tank cars, 102- dischargings pump, 103- the One filter, the first inlet valves of 104-, 105- reactants holding vessel, the first delivery pumps of 106-, 107- first heat exchangers, 108- First circulation valve, the first output channels of 109-, the first temperature conditioning units of 110-)), 2- reactant high-precision on-line metering systems(2a- Reactant metering units(The second inlet valves of 201-, 202- reactants buffer tank, 203- second heat exchangers, 204- second are filtered Device, 205- reactants metering device, 206- first flowmeters, the first blend pressures of 207- regulating device, 208- second circulations valve, The first reflux tests of 209- valve, the second output channels of 210-, the first mixing valves of 211-, the second temperature conditioning units of 212-)), 3- auxiliary materials Continous way metering system(3a- auxiliary materials store metering units(301- auxiliary materials Raw material pail, 302- auxiliary materials charge pump, the storage of 303- auxiliary materials Tank, 304- auxiliary materials metering device, 305- second flowmeters, the second blend pressures of 306- regulating device, 307- thirds circulating valve, The second reflux tests of 308- valve, 309- thirds output channel, the second mixing valves of 310-)), 4- hybrid systems(401- hybrid integrateds Block, 402- static mixers, the unidirectional nozzles of 403-), 5- mixed raw material Storing and conveying systems(5a- mixed raw material Storing and conveying lists Member(501- feed pipes, 502- mixed raw materials holding vessel, 503- thirds filter, the second delivery pumps of 504-, 505- the 4th are recycled Valve, 506- thirds inlet valve, the 4th output channels of 507-, 508- agitating devices, 509- third temperature conditioning units)), 6- foaming machine works Make tank, 7- compressed air supply systems(701- compressed air supply lines).
Specific implementation mode
Below by specific implementation mode combination attached drawing, invention is further described in detail.
It please refers to Fig.1 to Fig. 6, the online mixing equipment of polyethers continous way of the embodiment of the present invention comprising reactant storage system System 1, reactant high-precision on-line metering system 2, auxiliary material continous way metering system 3, hybrid system 4 and mixed raw material Storing and conveying System 5;
The reactant stocking system 1 includes two reactant storage elements 1a, one of reactant storage element 1a For storing the first reactant, another reactant storage element 1a for storing the second reactant, each reactant storage Memory cell 1a includes sequentially connected groove tank car 101, discharging pump 102, first filter 103, the first inlet valve 104, reactant Holding vessel 105, the first delivery pump 106, first heat exchanger 107 and first circulation valve 108, the first circulation valve 108 also with The reactant holding vessel 105 connects, the reaction storage tank 105, the first delivery pump 106, first heat exchanger 107 and first Circulating valve 108 forms circulation loop, be additionally provided between first delivery pump 106 and first heat exchanger 107 with it is described anti- The first output channel 109 for answering object high-precision on-line metering system 2 to connect;
The reactant high-precision on-line metering system 2 includes two reactant metering units 2a, one of reactant Metering units 2a is for caching the first reactant of metering, another reactant metering units 2a for caching the second reaction of metering Object, each reactant metering units 2a include sequentially connected second inlet valve 201, the 202, second heat of reactant buffer tank Exchanger 203, the second filter 204, reactant metering device 205, first flowmeter 206, the first blend pressure regulating device 207, second circulation valve 208 and the first reflux test valve 209, second inlet valve 201 connect with first output channel 109 It connects, the first reflux test valve 209 is also connect with the reactant buffer tank 202, the reactant buffer tank 202, second Heat exchanger 203, the second filter 204, reactant metering device 205, first flowmeter 206, the first blend pressure adjust dress It sets 207, second circulation valve 208 and the first reflux test valve 209 forms circulation loop, the first blend pressure regulating device It is additionally provided with the second output channel 210 between 207 and second circulation valve 208, first is provided on second output channel 210 Mixing valve 211;
The auxiliary material continous way metering system 3 includes several auxiliary materials storage metering units 3a, each auxiliary material storage metering Unit 3a is respectively used to storage and measures different auxiliary materials, and each auxiliary material storage metering units 3a includes sequentially connected auxiliary material raw material Bucket 301, auxiliary material charge pump 302, auxiliary material holding vessel 303, auxiliary material metering device 304, second flowmeter 305, the second blend pressure Regulating device 306, third circulating valve 307 and the second reflux test valve 308, the second reflux test valve 308 also with it is described auxiliary Expect that holding vessel 303 connects, the auxiliary material holding vessel 303, auxiliary material metering device 304, second flowmeter 305, the second blend pressure Regulating device 306, third circulating valve 307 and the second reflux test valve 308 form circulation loop, and second blend pressure is adjusted It is additionally provided with third output channel 309 between device 306 and third circulating valve 307, is provided on the third output channel 309 Second mixing valve 310;
The hybrid system 4 includes the hybrid integrated block being connect with the second output channel 210 and third output channel 309 401 and the static mixer 402 that is connect with the hybrid integrated block 401;
The mixed raw material Storing and conveying system 5 includes several mixed raw material Storing and conveying units 5a, and the mixing is former Material Storing and conveying unit 5a includes sequentially connected feed pipe 501, mixed raw material holding vessel 502, third filter 503, the Two delivery pumps 504 and the 4th circulating valve 505, the feed pipe 501 is connect with the static mixer 402 and the feed pipe Third inlet valve 506 is provided on road 501, the 4th circulating valve 505 is also connect with the mixed raw material holding vessel 502, institute It states mixed raw material holding vessel 502, third filter 503, the second delivery pump 504 and the 4th circulating valve 505 and forms circulation loop, institute It states the second delivery pump 504 and the 4th circulating valve 505 is additionally provided with the 4th output channel 507 being connect with foaming machine work tank 6.
Preferably, the reactant stocking system 1 further includes the first temperature control list being connect with the first heat exchanger 107 Member 110.
Specifically, first temperature conditioning unit 110 is die heater.
Preferably, the reactant high-precision on-line metering system 2 further includes being connect with the second heat exchanger 203 Second temperature conditioning unit 212.
Preferably, reactant and auxiliary material reflux in order to prevent, the hybrid system 4 further includes unidirectional nozzle 403, and described the Two output channels 210 and third output channel 309 are connect by unidirectional nozzle 403 with the hybrid integrated block 401 respectively.
Preferably, it is provided with agitating device 508 in the mixed raw material holding vessel 502.
Preferably, the mixed raw material Storing and conveying system 5 further includes third temperature conditioning unit 509, the third temperature control list Member 509 is connect with the mixed raw material holding vessel 502.
Preferably, the equipment further include respectively with the reactant high-precision on-line metering system 2, auxiliary material continous way meter The compressed air supply system 7 that amount system 3 and mixed raw material Storing and conveying system 5 connect.
Preferably, the compressed air supply system 7 is slow with the reactant respectively by compressed air supply line 701 Tank 202, auxiliary material charge pump 302, auxiliary material holding vessel 303 and mixed raw material holding vessel 502 is deposited to connect.
Preferably, the valve is solenoid valve.
Preferably, the volume of the reactant holding vessel 105 is 20 cubic metres to 30 cubic metres.
The above content is combine specific embodiment to the further description of the invention done, and it cannot be said that this hair Bright specific implementation is confined to these explanations.For the those of ordinary skill of the technical field belonging to the present invention, not Under the premise of being detached from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to the guarantor of the present invention Protect range.

Claims (9)

1. the online mixing equipment of polyethers continous way, it is characterised in that:It include reactant stocking system, reactant high-precision it is online Metering system, auxiliary material continous way metering system, hybrid system and mixed raw material Storing and conveying system;
The reactant stocking system includes two reactant storage elements, and one of reactant storage element is for storing the One reactant, another reactant storage element for storing the second reactant, each reactant storage element include according to Groove tank car, discharging pump, first filter, the first inlet valve, reactant holding vessel, the first delivery pump, the first heat of secondary connection are handed over Parallel operation and first circulation valve, the first circulation valve are also connect with the reactant holding vessel, the reactant holding vessel, first Delivery pump, first heat exchanger and first circulation valve form circulation loop, between first delivery pump and first heat exchanger It is additionally provided with the first output channel being connect with the reactant high-precision on-line metering system;
The reactant high-precision on-line metering system includes two reactant metering units, one of reactant metering units For caching the first reactant of metering, another reactant metering units measures the second reactant for caching, each described anti- To answer object metering units include sequentially connected second inlet valve, reactant buffer tank, second heat exchanger, the second filter, anti- Object metering device, first flowmeter, the first blend pressure regulating device, second circulation valve and the first reflux test valve are answered, it is described Second inlet valve is connect with first output channel, and the first reflux test valve is also connect with the reactant buffer tank, The reactant buffer tank, second heat exchanger, the second filter, reactant metering device, first flowmeter, the first mixing pressure Apparatus for adjusting force, second circulation valve and the first reflux test valve form circulation loop, the first blend pressure regulating device and It is additionally provided with the second output channel between second circulation valve, the first mixing valve is provided on second output channel;
The auxiliary material continous way metering system includes several auxiliary materials storage metering units, each auxiliary material storage metering units difference Different auxiliary materials is measured for storing, each auxiliary material storage metering units include sequentially connected auxiliary material Raw material pail, auxiliary material charging Pump, auxiliary material holding vessel, auxiliary material metering device, second flowmeter, the second blend pressure regulating device, third circulating valve and second time Current test valve, the second reflux test valve are also connect with the auxiliary material holding vessel, the auxiliary material holding vessel, auxiliary material metering dress It sets, second flowmeter, the second blend pressure regulating device, third circulating valve and the second reflux test valve form circulation loop, institute It states and is additionally provided with third output channel between the second blend pressure regulating device and third circulating valve, on the third output channel It is provided with the second mixing valve;
The hybrid system includes the hybrid integrated block being connect with the second output channel and third output channel and is mixed with described The static mixer of integrated package connection;
The mixed raw material Storing and conveying system includes several mixed raw material Storing and conveying units, and the mixed raw material storage is defeated It includes sequentially connected feed pipe, mixed raw material holding vessel, third filter, the second delivery pump and the 4th cycle to send unit Valve, the feed pipe connect with the static mixer and are provided on the feed pipe third inlet valve, and the described 4th Circulating valve is also connect with the mixed raw material holding vessel, the mixed raw material holding vessel, third filter, the second delivery pump and Four circulating valves form circulation loop, and second delivery pump and the 4th circulating valve are additionally provided with and foaming machine work tank connected the Four output channels.
2. the online mixing equipment of polyethers continous way as described in claim 1, it is characterised in that:The reactant stocking system is also It include the first temperature conditioning unit being connect with the first heat exchanger.
3. the online mixing equipment of polyethers continous way as described in claim 1, it is characterised in that:The reactant high-precision is online Metering system further includes the second temperature conditioning unit being connect with the second heat exchanger.
4. the online mixing equipment of polyethers continous way as described in claim 1, it is characterised in that:The hybrid system further includes list To nozzle, second output channel and third output channel are connect by unidirectional nozzle with the hybrid integrated block respectively.
5. the online mixing equipment of polyethers continous way as described in claim 1, it is characterised in that:In the mixed raw material holding vessel It is provided with agitating device.
6. the online mixing equipment of polyethers continous way as described in claim 1, it is characterised in that:The mixed raw material Storing and conveying System further includes third temperature conditioning unit, and the third temperature conditioning unit is connect with the mixed raw material holding vessel.
7. the online mixing equipment of polyethers continous way as described in claim 1, it is characterised in that:The equipment further include respectively with What the reactant high-precision on-line metering system, auxiliary material continous way metering system and mixed raw material Storing and conveying system connected Compressed air supply system.
8. the online mixing equipment of polyethers continous way as claimed in claim 7, it is characterised in that:The compressed air supply system It is stored up respectively with the reactant buffer tank, auxiliary material charge pump, auxiliary material holding vessel and mixed raw material by compressed air supply line Deposit tank connection.
9. such as the online mixing equipment of claim 1 to 8 any one of them polyethers continous way, it is characterised in that:The valve is Solenoid valve.
CN201611003124.0A 2016-11-15 2016-11-15 The online mixing equipment of polyethers continous way Active CN106426615B (en)

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Publication number Priority date Publication date Assignee Title
CN107297854A (en) * 2017-08-09 2017-10-27 湖南精正设备制造有限公司 A kind of polyurethane polyol automatic gauge mixing arrangement
CN108656432A (en) * 2018-06-08 2018-10-16 武汉正为机械有限公司 A kind of isocyanates storage tank equipment
CN114932645A (en) * 2022-03-23 2022-08-23 辛帕智能科技(平湖)有限公司 Wind-powered electricity generation blade intelligence filling system

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US7134781B2 (en) * 2003-02-11 2006-11-14 The Boc Group, Inc. Self-mixing tank
DE102009014363A1 (en) * 2009-03-29 2010-09-30 Dieffenbacher Gmbh + Co. Kg Process for the cyclical production and continuous provision of a resin-filler mixture in the course of the production of plastic molded parts
CN104667810B (en) * 2015-02-05 2017-04-26 中平神马江苏新材料科技有限公司 Automatic charging system of additives
CN104961873A (en) * 2015-07-27 2015-10-07 东莞市吉鑫高分子科技有限公司 Continuous synthesizer for polyurethane elastomer prepolymer
CN206297025U (en) * 2016-11-15 2017-07-04 武汉正为机械有限公司 The online mixing equipment of polyethers continous way

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