CN106426615A - Polyether continuous online mixing equipment - Google Patents
Polyether continuous online mixing equipment Download PDFInfo
- Publication number
- CN106426615A CN106426615A CN201611003124.0A CN201611003124A CN106426615A CN 106426615 A CN106426615 A CN 106426615A CN 201611003124 A CN201611003124 A CN 201611003124A CN 106426615 A CN106426615 A CN 106426615A
- Authority
- CN
- China
- Prior art keywords
- reactant
- valve
- metering
- auxiliary material
- holding vessel
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/58—Component parts, details or accessories; Auxiliary operations
- B29B7/60—Component parts, details or accessories; Auxiliary operations for feeding, e.g. end guides for the incoming material
- B29B7/603—Component 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/58—Component parts, details or accessories; Auxiliary operations
- B29B7/72—Measuring, controlling or regulating
Abstract
The invention relates to polyether continuous online mixing equipment. The polyether continuous online mixing equipment is characterized by comprising a reactant storage system, a reactant high-precision online metering system, a continuous auxiliary material metering system, a mixing system and a mixed raw material storing and conveying system. Online adjustment of raw materials of different formulas can be adjusted in an online manner, metering precision is high, and production efficiency is improved.
Description
Technical field
The present invention relates to a kind of mixing equipment of urethane raw, set particularly to a kind of online batch mixing of polyethers continous way
Standby.
Background technology
Fast development with current Domestic Automotive Industry and polyurethane foaming products extensively should in automobile industry
With how adapting to the inside gadget of various vehicles different demands in terms of environmental protection, comfort level, cost control, exactly each vapour instantly
The problem of in-car gadget manufacturer joint research.
Conventional production model has two kinds, and one kind is that automotive upholstery manufacturer is directly commercially available to urethane raw supply
Buy the polyhydric alcohol conjugate raw material adding various auxiliary material auxiliary agents, another kind is to buy various raw material monomers, and then oneself is in proportion
After weighing, then using batch can stirring mixing, form polyhydric alcohol conjugate raw material.The composition of raw materials that first kind of way buys back is fixed
Type is it is impossible to adapt to the regulation at any time to technical recipe in process of production, and it is higher to buy cost of material, the second way,
Stirring mixing, this kind of mode dispensing in batch can after different monomers raw material weighing, will be injected into using electronic scale, can only mix every time
Other formula material is mixed again, in order to allow raw material to mix, each stir mixing stand-by period is longer after a kind of complete formula material,
Easily produce reaction volatilization in raw material whipping process, cause environmental pollution, and affected by the weighing precision of electronic scale, mix every time
, all can there is certain difference in the formula material of the same race closing, and electronic scale is easily subject to environment temperature, humidity, vibration effect essence
Degree, needs periodic calibrating.But with auto output be continuously increased and different automobile types inside gadget Flexible production, need giving birth to
During product, process adjustments are flexible strong, realize the on-line tuning of different formulations raw material, each mixed weight can flexibly control, respectively
Plant raw material proportioning measuring accuracy and require≤5 ‰, therefore existing mixing equipment does not enable the on-line control of automatic blending, produce
Less efficient, production cost is higher.
Content of the invention
It is an object of the invention to overcoming the shortcoming of prior art, provide a kind of polyethers continous way online mixing equipment, energy
Realize the on-line tuning of different formulations raw material, and measuring accuracy is high, improves production efficiency.
For solving above technical problem, the technical scheme is that：The online mixing equipment of polyethers continous way, its difference
Place is：It includes reactant stocking system, reactant high accuracy on-line metering system, auxiliary material continous way metering system, mixing
System and mixed material Storing and conveying system；
Described reactant stocking system includes two reactant storage elements, and one of reactant storage element is used for storage the
One reactant, another reactant storage element be used for storage the second reactant, each described reactant storage element include according to
The groove tank car of secondary connection, discharging pump, the first filter, the first inlet valve, reactant holding vessel, the first delivery pump, the first heat are handed over
Parallel operation and first circulation valve, described first circulation valve is also connected with described reactant holding vessel, described reactant holding vessel, first
Delivery pump, first heat exchanger and first circulation valve form closed circuit, between described first delivery pump and first heat exchanger
It is additionally provided with the first output channel being connected with described reactant high accuracy on-line metering system；
Described reactant high accuracy on-line metering system includes two reactant metering units, one of reactant metering units
It is used for caching metering the second reactant for caching metering the first reactant, another reactant metering units, each is described anti-
Answer the second inlet valve that thing metering units include being sequentially connected, reactant buffer tank, second heat exchanger, the second filter, anti-
Answer thing metering device, first flowmeter, the first blend pressure adjusting means, second circulation valve and the first reflux test valve, described
Second inlet valve is connected with described first output channel, and described first reflux test valve is also connected with described reactant buffer tank,
Described 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 closed circuit, described first blend pressure adjusting means and
It is additionally provided with the second output channel between second circulation valve, described second output channel is provided with the first mixing valve；
Described auxiliary material continous way metering system includes several auxiliary materials storage metering units, and each auxiliary material storage metering units are respectively
For the different auxiliary material of storage metering, each auxiliary material stores auxiliary material Raw material pail, the auxiliary material charging that metering units include being sequentially connected
Pump, auxiliary material holding vessel, auxiliary material metering device, second flowmeter, the second blend pressure adjusting means, the 3rd circulating valve and second time
Current test valve, described second reflux test valve is also connected with described auxiliary material holding vessel, described auxiliary material holding vessel, auxiliary material metering dress
Put, second flowmeter, the second blend pressure adjusting means, the 3rd circulating valve and the second reflux test valve form closed circuit, institute
State and be additionally provided with the 3rd output channel between the second blend pressure adjusting means and the 3rd circulating valve, on described 3rd output channel
It is provided with the second mixing valve；
Described hybrid system is included the hybrid integrated block being connected with the second output channel and the 3rd output channel and is mixed with described
The static mixer that integrated package connects；
Described mixed material Storing and conveying system includes several mixed material Storing and conveying units, and described mixed material storage is defeated
Unit is sent to include feed pipe, mixed material holding vessel, the 3rd filter, the second delivery pump and the 4th circulation being sequentially connected
Valve, described feed pipe be connected with described static mixer and described feed pipe on be provided with the 3rd inlet valve, the described 4th
Circulating valve is also connected with described mixed material holding vessel, described mixed material holding vessel, the 3rd filter, the second delivery pump and
Four circulating valves form closed circuits, and described second delivery pump and the 4th circulating valve are additionally provided with tank connected with foaming machine work the
Four output channels.
By above technical scheme, described reactant stocking system also includes the first temperature being connected with described first heat exchanger
Control unit.
By above technical scheme, described reactant high accuracy on-line metering system is also included with described second heat exchanger even
The second temperature conditioning unit connecing.
By above technical scheme, described hybrid system also includes unidirectional nozzle, described second output channel and the 3rd output
Pipeline is connected with described hybrid integrated block by unidirectional nozzle respectively.
By above technical scheme, in described mixed material holding vessel, it is provided with agitating device.
By above technical scheme, described mixed material Storing and conveying system also includes the 3rd temperature conditioning unit, described 3rd temperature
Control unit is connected with described mixed material holding vessel.
By above technical scheme, described equipment also include respectively with described reactant high accuracy on-line metering system, auxiliary material
Continous way metering system and the compressed air supply system of mixed material Storing and conveying system connection.
By above technical scheme, described compressed air supply system pass through compressed air supply line respectively with described reaction
Thing buffer tank, auxiliary material charge pump, auxiliary material holding vessel and mixed material holding vessel connect.
By above technical scheme, described valve is magnetic valve.
Contrast prior art, the beneficial features of the present invention are：This online mixing equipment of polyethers continous way, each reactant and auxiliary
Material list solely storage and continuous on-line metering, can adjust the proportioning of each reactant and auxiliary material in real time as needed, and can be not
Adjust automatically mixed proportion, formula in the case of shutdown, realize on-line control, production need how many raw materials can mix in real time many
Few raw material, does not result in waste, and measuring accuracy is high, and on-line control is flexible；And between each mixed material Storing and conveying unit be
Independent, the mixed material storing various proportionings can be mixed respectively, also can mix the mixed material storing same proportioning simultaneously, make
With convenient, continous way can produce various mixed materials, improve production efficiency.
Brief description
Fig. 1 is embodiment of the present invention overall structure block diagram；
Fig. 2 is reactant stocking system structural representation in the embodiment of the present invention；
Fig. 3 is reactant high accuracy on-line metering system structure diagram in the embodiment of the present invention；
Fig. 4 is auxiliary material continous way metering system structural representation in the embodiment of the present invention；
Fig. 5 is hybrid system structural representation in the embodiment of the present invention；
Fig. 6 is mixed material Storing and conveying system structure diagram in the embodiment of the present invention；
Wherein：1- reactant stocking system（1a- reactant storage element（101- groove tank car, 102- discharging pump, 103- first mistake
Filter, 104- first inlet valve, 105- reactant holding vessel, 106- first delivery pump, 107- first heat exchanger, 108- first
Circulating valve, 109- first output channel, 110- first temperature conditioning unit））, 2- reactant high accuracy on-line metering system（2a- reacts
Thing metering units（201- second inlet valve, 202- reactant buffer tank, 203- second heat exchanger, 204- second filter,
205- reactant metering device, 206- first flowmeter, 207- the first blend pressure adjusting means, 208- second circulation valve,
209- the first reflux test valve, 210- second output channel, 211- first mixing valve, 212- second temperature conditioning unit））, 3- auxiliary material
Continous way metering system（3a- auxiliary material stores metering units（301- auxiliary material Raw material pail, 302- auxiliary material charge pump, the storage of 303- auxiliary material
Tank, 304- auxiliary material metering device, 305- second flowmeter, 306- the second blend pressure adjusting means, 307- the 3rd circulating valve,
308- the second reflux test valve, 309- the 3rd output channel, 310- second mixing valve））, 4- hybrid system（401- hybrid integrated
Block, 402- static mixer, the unidirectional nozzle of 403-）, 5- mixed material Storing and conveying system（5a- mixed material Storing and conveying list
Unit（501- feed pipe, 502- mixed material holding vessel, 503- the 3rd filter, 504- second delivery pump, 505- the 4th circulation
Valve, 506- the 3rd inlet valve, 507- the 4th output channel, 508- agitating device, 509- the 3rd temperature conditioning unit））, 6- foaming machine work
Make tank, 7- compressed air supply system（701- compressed air supply line）.
Specific embodiment
Combine accompanying drawing below by specific embodiment the present invention is described in further detail.
Refer to Fig. 1 to Fig. 6, the online mixing equipment of embodiment of the present invention polyethers continous way, it includes reactant storage system
System 1, reactant high accuracy on-line metering system 2, auxiliary material continous way metering system 3, hybrid system 4 and mixed material Storing and conveying
System 5；
Described reactant stocking system 1 includes two reactant storage element 1a, and one of reactant storage element 1a is used for
Store the first reactant, another reactant storage element 1a is used for storage the second reactant, each described reactant storage is single
Groove tank car 101 that first 1a includes being sequentially connected, discharging pump 102, the first filter 103, the first inlet valve 104, reactant storage
Tank 105, the first delivery pump 106, first heat exchanger 107 and first circulation valve 108, described first circulation valve 108 also with described
Reactant holding vessel 105 connects, described reaction storage tank 105, the first delivery pump 106, first heat exchanger 107 and first circulation
Valve 108 forms closed circuit, is additionally provided with and described reactant between described first delivery pump 106 and first heat exchanger 107
The first output channel 109 that high accuracy on-line metering system 2 connects；
Described reactant high accuracy on-line metering system 2 includes two reactant metering units 2a, one of reactant metering
Unit 2a is used for caching metering the first reactant, another reactant metering units 2a is used for caching metering the second reactant, often
The second inlet valve 201 that individual described reactant metering units 2a includes being sequentially connected, reactant buffer tank 202, the second heat exchange
Device 203, the second filter 204, reactant metering device 205, first flowmeter 206, the first blend pressure adjusting means 207,
Second circulation valve 208 and the first reflux test valve 209, described second inlet valve 201 is connected with described first output channel 109,
Described first reflux test valve 209 is also connected with described reactant buffer tank 202, and described reactant buffer tank 202, second heat is handed over
Parallel operation 203, the second filter 204, reactant metering device 205, first flowmeter 206, the first blend pressure adjusting means
207th, second circulation valve 208 and the first reflux test valve 209 form closed circuit, described first blend pressure adjusting means 207
It is additionally provided with the second output channel 210 and second circulation valve 208 between, described second output channel 210 is provided with first and mixes
Close valve 211；
Described auxiliary material continous way metering system 3 includes several auxiliary materials storage metering units 3a, and each auxiliary material stores metering units
3a is respectively used to store the different auxiliary material of metering, and each auxiliary material stores the auxiliary material Raw material pail that metering units 3a includes being sequentially connected
301st, auxiliary material charge pump 302, auxiliary material holding vessel 303, auxiliary material metering device 304, second flowmeter 305, the second blend pressure are adjusted
Regulating device 306, the 3rd circulating valve 307 and the second reflux test valve 308, described second reflux test valve 308 also with described auxiliary material
Holding vessel 303 connects, and described auxiliary material holding vessel 303, auxiliary material metering device 304, second flowmeter 305, the second blend pressure are adjusted
Regulating device 306, the 3rd circulating valve 307 and the second reflux test valve 308 form closed circuit, and described second blend pressure adjusts dress
Put 306 and the 3rd and be additionally provided with the 3rd output channel 309 between circulating valve 307, described 3rd output channel 309 is provided with
Two mixing valves 310；
Described hybrid system 4 include the hybrid integrated block 401 being connected with the second output channel 210 and the 3rd output channel 309 and
The static mixer 402 being connected with described hybrid integrated block 401；
Described mixed material Storing and conveying system 5 includes several mixed materials Storing and conveying unit 5a, described mixed material storage
Deposit the feed pipe 501 that supply unit 5a includes being sequentially connected, mixed material holding vessel 502, the 3rd filter 503, second defeated
Send pump 504 and the 4th circulating valve 505, described feed pipe 501 is connected and described feed pipe with described static mixer 402
It is provided with the 3rd inlet valve 506, described 4th circulating valve 505 is also connected with described mixed material holding vessel 502, described on 501
Mixed material holding vessel 502, the 3rd filter 503, the second delivery pump 504 and the 4th circulating valve 505 form closed circuit, described
Second delivery pump 504 and the 4th circulating valve 505 are additionally provided with the 4th output channel 507 being connected with foaming machine work tank 6.
Preferably, described reactant stocking system 1 also includes the first temperature control list being connected with described first heat exchanger 107
Unit 110.
Specifically, described first temperature conditioning unit 110 is die heater.
Preferably, described reactant high accuracy on-line metering system 2 also includes being connected with described second heat exchanger 203
Second temperature conditioning unit 212.
Preferably, in order to prevent reactant and auxiliary material backflow, described hybrid system 4 also includes unidirectional nozzle 403, and described the
Two output channels 210 and the 3rd output channel 309 are connected with described hybrid integrated block 401 by unidirectional nozzle 403 respectively.
Preferably, it is provided with agitating device 508 in described mixed material holding vessel 502.
Preferably, described mixed material Storing and conveying system 5 also includes the 3rd temperature conditioning unit 509, described 3rd temperature control list
Unit 509 is connected with described mixed material holding vessel 502.
Preferably, described equipment also include respectively with described reactant high accuracy on-line metering system 2, auxiliary material continous way meter
Amount system 3 and the compressed air supply system 7 of mixed material Storing and conveying system 5 connection.
Preferably, described compressed air supply system 7 is delayed with described reactant respectively by compressed air supply line 701
Deposit tank 202, auxiliary material charge pump 302, auxiliary material holding vessel 303 and mixed material holding vessel 502 to connect.
Preferably, described valve is magnetic valve.
Preferably, the volume of described reactant holding vessel 105 is 20 cubic metres to 30 cubic metres.
Above content is the further description present invention done with reference to specific embodiment it is impossible to assert this
Bright it is embodied as being confined to these explanations.For the those of ordinary skill of the technical field belonging to for the present invention, not
On the premise of departing from present inventive concept, some simple deduction or replace can also be made, all should be considered as belonging to the guarantor of the present invention
Shield scope.
Claims (9)
1. the online mixing equipment of polyethers continous way it is characterised in that：It includes reactant stocking system, reactant high accuracy online
Metering system, auxiliary material continous way metering system, hybrid system and mixed material Storing and conveying system；
Described reactant stocking system includes two reactant storage elements, and one of reactant storage element is used for storage the
One reactant, another reactant storage element be used for storage the second reactant, each described reactant storage element include according to
The groove tank car of secondary connection, discharging pump, the first filter, the first inlet valve, reactant holding vessel, the first delivery pump, the first heat are handed over
Parallel operation and first circulation valve, described first circulation valve is also connected with described reactant holding vessel, described reactant holding vessel, first
Delivery pump, first heat exchanger and first circulation valve form closed circuit, between described first delivery pump and first heat exchanger
It is additionally provided with the first output channel being connected with described reactant high accuracy on-line metering system；
Described reactant high accuracy on-line metering system includes two reactant metering units, one of reactant metering units
It is used for caching metering the second reactant for caching metering the first reactant, another reactant metering units, each is described anti-
Answer the second inlet valve that thing metering units include being sequentially connected, reactant buffer tank, second heat exchanger, the second filter, anti-
Answer thing metering device, first flowmeter, the first blend pressure adjusting means, second circulation valve and the first reflux test valve, described
Second inlet valve is connected with described first output channel, and described first reflux test valve is also connected with described reactant buffer tank,
Described 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 closed circuit, described first blend pressure adjusting means and
It is additionally provided with the second output channel between second circulation valve, described second output channel is provided with the first mixing valve；
Described auxiliary material continous way metering system includes several auxiliary materials storage metering units, and each auxiliary material storage metering units are respectively
For the different auxiliary material of storage metering, each auxiliary material stores auxiliary material Raw material pail, the auxiliary material charging that metering units include being sequentially connected
Pump, auxiliary material holding vessel, auxiliary material metering device, second flowmeter, the second blend pressure adjusting means, the 3rd circulating valve and second time
Current test valve, described second reflux test valve is also connected with described auxiliary material holding vessel, described auxiliary material holding vessel, auxiliary material metering dress
Put, second flowmeter, the second blend pressure adjusting means, the 3rd circulating valve and the second reflux test valve form closed circuit, institute
State and be additionally provided with the 3rd output channel between the second blend pressure adjusting means and the 3rd circulating valve, on described 3rd output channel
It is provided with the second mixing valve；
Described hybrid system is included the hybrid integrated block being connected with the second output channel and the 3rd output channel and is mixed with described
The static mixer that integrated package connects；
Described mixed material Storing and conveying system includes several mixed material Storing and conveying units, and described mixed material storage is defeated
Unit is sent to include feed pipe, mixed material holding vessel, the 3rd filter, the second delivery pump and the 4th circulation being sequentially connected
Valve, described feed pipe be connected with described static mixer and described feed pipe on be provided with the 3rd inlet valve, the described 4th
Circulating valve is also connected with described mixed material holding vessel, described mixed material holding vessel, the 3rd filter, the second delivery pump and
Four circulating valves form closed circuits, and described second delivery pump and the 4th circulating valve are additionally provided with tank connected with foaming machine work the
Four output channels.
2. the online mixing equipment of polyethers continous way as claimed in claim 1 it is characterised in that：Described reactant stocking system is also
Including the first temperature conditioning unit being connected with described first heat exchanger.
3. the online mixing equipment of polyethers continous way as claimed in claim 1 it is characterised in that：Described reactant high accuracy is online
Metering system also includes the second temperature conditioning unit being connected with described second heat exchanger.
4. the online mixing equipment of polyethers continous way as claimed in claim 1 it is characterised in that：Described hybrid system also includes list
To nozzle, described second output channel and the 3rd output channel are connected with described hybrid integrated block by unidirectional nozzle respectively.
5. the online mixing equipment of polyethers continous way as claimed in claim 1 it is characterised in that：In described mixed material holding vessel
It is provided with agitating device.
6. the online mixing equipment of polyethers continous way as claimed in claim 1 it is characterised in that：Described mixed material Storing and conveying
System also includes the 3rd temperature conditioning unit, and described 3rd temperature conditioning unit is connected with described mixed material holding vessel.
7. the online mixing equipment of polyethers continous way as claimed in claim 1 it is characterised in that：Described equipment also include respectively with
Described reactant high accuracy on-line metering system, auxiliary material continous way metering system and mixed material Storing and conveying system connect
Compressed air supply system.
8. the online mixing equipment of polyethers continous way as claimed in claim 7 it is characterised in that：Described compressed air supply system
Stored up with described reactant buffer tank, auxiliary material charge pump, auxiliary material holding vessel and mixed material respectively by compressed air supply line
Deposit tank to connect.
9. the online mixing equipment of polyethers continous way as described in any one of claim 1 to 8 it is characterised in that：Described valve is
Magnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611003124.0A CN106426615B (en) | 2016-11-15 | 2016-11-15 | The online mixing equipment of polyethers continous way |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611003124.0A CN106426615B (en) | 2016-11-15 | 2016-11-15 | The online mixing equipment of polyethers continous way |
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| Publication Number | Publication Date |
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| CN106426615A true CN106426615A (en) | 2017-02-22 |
| CN106426615B CN106426615B (en) | 2018-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611003124.0A Active CN106426615B (en) | 2016-11-15 | 2016-11-15 | The online mixing equipment of polyethers continous way |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
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| CN104667810A (en) * | 2015-02-05 | 2015-06-03 | 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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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20040156262A1 (en) * | 2003-02-11 | 2004-08-12 | Roberts Benjamin R. | Self-mixing tank |
| US20100317769A1 (en) * | 2009-03-29 | 2010-12-16 | Dieffenbacher Gmbh + Co.Kg | Method for the intermittent production and continuous supply of a resin-filler mixture in the course of the production of plastic molded parts |
| CN104667810A (en) * | 2015-02-05 | 2015-06-03 | 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106426615B (en) | 2018-08-03 |
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