CN207619310U - A kind of modified form polyester polyol synthesis device - Google Patents
A kind of modified form polyester polyol synthesis device Download PDFInfo
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- CN207619310U CN207619310U CN201721543864.3U CN201721543864U CN207619310U CN 207619310 U CN207619310 U CN 207619310U CN 201721543864 U CN201721543864 U CN 201721543864U CN 207619310 U CN207619310 U CN 207619310U
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- fractionating column
- insulating tube
- polyester polyol
- liquid outlet
- reaction kettle
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Abstract
The utility model discloses a kind of modified form polyester polyol synthesis devices, including reaction kettle, fractionating column, condenser and wastewater trough, the modified form polyester polyol synthesis device further includes a U-shaped insulating tube, it is equipped with insulating tube liquid outlet in the bottom of U-shaped insulating tube, it is additionally provided with the second gas outlet of reaction kettle on the top of reaction kettle, it is equipped with fractionating column liquid outlet in the bottom of fractionating column, it is additionally provided with the second inlet of wastewater trough on the top of wastewater trough, the inlet of the U-shaped insulating tube is connected with fractionating column liquid outlet, the liquid outlet of the U-shaped insulating tube is connected with the second gas outlet of reaction kettle, the insulating tube liquid outlet is connected by outlet pipe with the second inlet of wastewater trough, control valve is equipped on one end of insulating tube liquid outlet in the outlet pipe.The utility model synthesizing polyester polyalcohol required time is shorter, improves the production efficiency of polyester polyol, improves the color and luster and stability of polyester polyol, effectively raises the quality of production of polyester polyol.
Description
Technical field
The utility model is related to the synthesis technical fields of polyester polyol, are related specifically to a kind of modified form polyester polyol
Synthesis device.
Background technology
Polyester polyol is formed by small molecule polyol and binary acid by polycondensation reaction, this is that a balance can be converse
It answers, reaction process mid-early stage will constantly remove the micromolecular water generated when reaction, and the later stage will constantly remove excessive alcohol and part
The polyalcohol of small-molecular-weight, destruction of balance, reaction could continue positive progress.To make rapid reaction carry out, it is necessary to improve anti-
Temperature is answered, vacuum degree is improved and removes the water generated in reaction process in time.
Existing polyester polyol synthesis device includes mainly two stages, first stage in synthesizing polyester polyalcohol
To be esterified the water smoking, so that the water that reaction generates is passed through condenser in the form of water vapour and be constantly discharged；And second stage is handed over for ester
The stage is changed, so that excessive alcohol and portion of residual water is discharged using the modes such as decompression are vacuumized, using the polyester polyols of prototype structure
Alcohol synthesis device required time during synthesizing polyester polyalcohol is longer, reduces the production efficiency of polyester polyol；
Another, it is poor using the color and luster and stability of some polyesters polyalcohol of original polyester polyol synthesis device synthesis,
The quality of production for having seriously affected polyester polyol brings larger inconvenience to the synthetic work of polyester polyol.
However in view of the deficiencies of the prior art, it is necessary to develop a kind of reasonable design, simple in structure, synthesizing polyester by developer
The polyalcohol required time is shorter, improves the production efficiency of polyester polyol, improve polyester polyol color and luster and
Stability effectively raises the modified form polyester polyol synthesis device of the quality of production of polyester polyol.
Utility model content
In order to solve the problems existing in the prior art, the utility model aim provide a kind of reasonable design, it is simple in structure, close
It is shorter at the polyester polyol required time, the production efficiency of polyester polyol is improved, the color of polyester polyol is improved
Pool and stability, effectively raise the modified form polyester polyol synthesis device of the quality of production of polyester polyol.
In order to solve the above technical problems, the utility model is realized using following technical scheme：
A kind of modified form polyester polyol synthesis device, including
One reaction kettle is equipped with the first gas outlet of reaction kettle on the top of the reaction kettle；
One fractionating column is equipped with fractionating column air inlet, the fractionating column air inlet and reaction kettle in the lower part of the fractionating column
First gas outlet is connected, and fractionating column gas outlet is equipped on the top of the fractionating column；
One condenser is equipped with condenser air inlet, the condenser air inlet and fractionating column on the top of the condenser
Gas outlet is connected, and condenser liquid outlet is equipped in the lower part of the condenser；
One wastewater trough is equipped with the first inlet of wastewater trough, the first inlet of the wastewater trough on the top of the wastewater trough
It is connected with condenser liquid outlet；
It is characterized in that, the modified form polyester polyol synthesis device further includes a U-shaped insulating tube, in the U-shaped heat preservation
The bottom of pipe is equipped with insulating tube liquid outlet, the second gas outlet of reaction kettle is additionally provided on the top of the reaction kettle, in the fractionation
The bottom of tower is equipped with fractionating column liquid outlet, and the second inlet of wastewater trough, the U-shaped heat preservation are additionally provided on the top of the wastewater trough
The inlet of pipe is connected with fractionating column liquid outlet, and the liquid outlet of the U-shaped insulating tube is connected with the second gas outlet of reaction kettle,
The insulating tube liquid outlet is connected by outlet pipe with the second inlet of wastewater trough, in the outlet pipe close to insulating tube
One end of liquid outlet is equipped with control valve.
In a preferred embodiment of the utility model, which further includes a vacuum
Device, the vacuum plant include vacuum pump and surge tank, and the vacuum pump is connected with the gas outlet of surge tank, described useless
The top of sink is additionally provided with a bleeding point, and the air inlet of the surge tank is connected with bleeding point.
In a preferred embodiment of the utility model, blender is internally provided in the reaction kettle.
Compared with prior art, the utility model further includes a U-shaped insulating tube, the inlet and fractionating column of U-shaped insulating tube
Liquid outlet is connected, and the liquid outlet of U-shaped insulating tube is connected with the second gas outlet of reaction kettle, and insulating tube liquid outlet passes through outlet tube
Road is connected with the second inlet of wastewater trough, is equipped with control valve on one end of insulating tube liquid outlet in outlet pipe, is closing
The later stage of small at molecular weight and active two low officials or more official's polyester polyol can be discharged water by opening control valve come complete
The synthetic work of small at molecular weight and active two low officials or more official's polyester polyol；And it is big in synthetic molecular weight and easily crystallize
When polyester polyol, it can be ventilated come the conjunction for the polyester polyol completed molecular weight greatly and easily crystallized by opening control valve
At work, adopts the structure and effectively save the synthesizing polyester polyalcohol required time, improve polyester polyol
Production efficiency improves the color and luster and stability of polyester polyol, effectively raises the quality of production of polyester polyol.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other drawings may also be obtained based on these drawings.
Fig. 1 is the structural schematic diagram of the utility model.
Specific implementation mode
In order to make the technical means, creative features, achievement of purpose, and effectiveness of the utility model be easy to understand, under
Face combines and is specifically illustrating, and the utility model is expanded on further.
Shown in referring to Fig.1, a kind of modified form polyester polyol synthesis device provided in figure, including reaction kettle 100, fractionation
Tower 200, condenser 300 and wastewater trough 400.
It is equipped with the first gas outlet of reaction kettle 110 on the top of reaction kettle 100, fractionating column is equipped in the lower part of fractionating column 200
Air inlet 210, fractionating column air inlet 210 are connected with 100 first gas outlet 110 of reaction kettle by first pipe 800, are being fractionated
The top of tower 200 be equipped with fractionating column gas outlet 220, the top of condenser 300 be equipped with condenser air inlet 310, condenser into
Gas port 310 is connected by second pipe 900 with fractionating column gas outlet 220.
It is equipped with condenser liquid outlet 320 in the lower part of condenser 300, wastewater trough first is equipped on the top of wastewater trough 400
Inlet 410, the first inlet of wastewater trough 410 are connected by third pipeline 1000 with condenser liquid outlet 320.
There is a water speed to observe visor 1010 on third pipeline 1000 and close to 320 one end of condenser liquid outlet, water speed is seen
Periscope 1010 is for observing the rate of output water.
The modified form polyester polyol synthesis device further includes a U-shaped insulating tube 500, is set in the bottom of U-shaped insulating tube 500
There is insulating tube liquid outlet 510, the second gas outlet of reaction kettle 120 is additionally provided on the top of reaction kettle 100, at the bottom of fractionating column 200
Portion is equipped with fractionating column liquid outlet 230, and the second inlet of wastewater trough 420 is additionally provided on the top of wastewater trough 400.
The inlet of U-shaped insulating tube 500 is connected with fractionating column liquid outlet 230, and the liquid outlet of U-shaped insulating tube passes through the 4th
Pipeline 1100 is connected with 100 second gas outlet 120 of reaction kettle, and insulating tube liquid outlet 510 passes through outlet pipe 600 and wastewater trough
Second inlet 420 is connected, and outlet pipe 600 is removable to be unloaded down, in outlet pipe 600 close to insulating tube liquid outlet 510
One end is equipped with control valve 610, and control valve 610 manually controls on or off by operating personnel.
It is equipped with flow view visor 520, flow view on U-shaped insulating tube 500 and close to 230 one end of fractionating column liquid outlet
Visor 520 is mainly used for observing the size of regurgitant volume.
The modified form polyester polyol synthesis device further includes a vacuum plant, and vacuum plant includes vacuum pump and buffering
Tank, vacuum pump are connected with the gas outlet of surge tank, and a bleeding point is additionally provided on the top of wastewater trough, the air inlet of surge tank with
Bleeding point is connected.
Be internally provided with blender 700 in reaction kettle 100, blender 700 can make the material being added in reaction kettle 100 into
Row adequately reaction, effectively raises the synthesis quality of polyester polyol.
The utility model further includes a U-shaped insulating tube, inlet and the fractionating column liquid outlet phase of U-shaped insulating tube in summary
Connection, the liquid outlet of U-shaped insulating tube are connected with the second gas outlet of reaction kettle, and insulating tube liquid outlet passes through outlet pipe and waste water
The second inlet of slot is connected, and control valve is equipped on one end of insulating tube liquid outlet in outlet pipe, in synthetic molecular weight
The later stage of small and active two low officials or more official's polyester polyol can be discharged water by opening control valve to complete molecular weight
The synthetic work of small and active two low officials or more official's polyester polyol；And polyester polyols that are big in synthetic molecular weight and easily crystallizing
When alcohol, it can be ventilated come the synthetic work for the polyester polyol completed molecular weight greatly and easily crystallized by opening control valve,
It adopts the structure and effectively saves the synthesizing polyester polyalcohol required time, improve the production effect of polyester polyol
Rate improves the color and luster and stability of polyester polyol, effectively raises the quality of production of polyester polyol.
Basic principles, main features, and advantages of the present invention has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description
Only illustrate the principles of the present invention, the utility model can also on the premise of not departing from the spirit and scope of the utility model
There are various changes and modifications, these various changes and improvements fall within the scope of the claimed invention.The utility model is wanted
Protection domain is asked to be defined by appended claims and its equivalent.
Claims (3)
1. a kind of modified form polyester polyol synthesis device, including
One reaction kettle is equipped with the first gas outlet of reaction kettle on the top of the reaction kettle；
One fractionating column is equipped with fractionating column air inlet, the fractionating column air inlet and reaction kettle first in the lower part of the fractionating column
Gas outlet is connected, and fractionating column gas outlet is equipped on the top of the fractionating column；
One condenser is equipped with condenser air inlet, the condenser air inlet and fractionating column outlet on the top of the condenser
Mouth is connected, and condenser liquid outlet is equipped in the lower part of the condenser；
One wastewater trough, the top of the wastewater trough be equipped with the first inlet of wastewater trough, the first inlet of the wastewater trough with it is cold
Condenser liquid outlet is connected；
It is characterized in that, modified form polyester polyol synthesis device further includes a U-shaped insulating tube, at the bottom of the U-shaped insulating tube
Portion is equipped with insulating tube liquid outlet, the second gas outlet of reaction kettle is additionally provided on the top of the reaction kettle, at the bottom of the fractionating column
Portion is equipped with fractionating column liquid outlet, and the second inlet of wastewater trough is additionally provided on the top of the wastewater trough, the U-shaped insulating tube into
Liquid mouth is connected with fractionating column liquid outlet, and the liquid outlet of the U-shaped insulating tube is connected with the second gas outlet of reaction kettle, the guarantor
Warm pipe liquid outlet is connected by outlet pipe with the second inlet of wastewater trough, in the outlet pipe close to insulating tube liquid outlet
One end be equipped with control valve.
2. a kind of modified form polyester polyol synthesis device as described in claim 1, it is characterised in that：Modified form polyester polyols
Alcohol synthesis device further includes a vacuum plant, and the vacuum plant includes vacuum pump and surge tank, the vacuum pump and surge tank
Gas outlet be connected, be additionally provided with a bleeding point, air inlet and the bleeding point phase of the surge tank on the top of the wastewater trough
Connection.
3. a kind of modified form polyester polyol synthesis device as described in claim 1, it is characterised in that：In the reaction kettle
Portion is equipped with blender.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721543864.3U CN207619310U (en) | 2017-11-17 | 2017-11-17 | A kind of modified form polyester polyol synthesis device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721543864.3U CN207619310U (en) | 2017-11-17 | 2017-11-17 | A kind of modified form polyester polyol synthesis device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207619310U true CN207619310U (en) | 2018-07-17 |
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ID=62829176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721543864.3U Active CN207619310U (en) | 2017-11-17 | 2017-11-17 | A kind of modified form polyester polyol synthesis device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207619310U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109078598A (en) * | 2018-09-18 | 2018-12-25 | 重庆华峰化工有限公司 | Polyester polyol synthesis system and synthetic method |
-
2017
- 2017-11-17 CN CN201721543864.3U patent/CN207619310U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109078598A (en) * | 2018-09-18 | 2018-12-25 | 重庆华峰化工有限公司 | Polyester polyol synthesis system and synthetic method |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201419 No. 169, Leizhou Road, Shanghai, Fengxian District Patentee after: Shanghai Kangda Chemical New Material Group Co., Ltd. Address before: 201419 No. 169, Leizhou Road, Shanghai, Fengxian District Patentee before: Shanghai KangDa New Materials Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 169 Leizhou Road, Fengxian District, Shanghai, 201419 Patentee after: Kangda new material (Group) Co.,Ltd. Address before: 169 Leizhou Road, Fengxian District, Shanghai, 201419 Patentee before: Shanghai Kangda Chemical New Material Group Co.,Ltd. |