CN207445638U - Prepare the dealcoholization system of DOTP - Google Patents
Prepare the dealcoholization system of DOTP Download PDFInfo
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- CN207445638U CN207445638U CN201720965583.0U CN201720965583U CN207445638U CN 207445638 U CN207445638 U CN 207445638U CN 201720965583 U CN201720965583 U CN 201720965583U CN 207445638 U CN207445638 U CN 207445638U
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- autoclave body
- jet chimney
- steam
- steam engine
- condenser
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Abstract
The utility model discloses a kind of dealcoholization systems for preparing DOTP, including boilers heated electrically, dealcoholysis kettle and condenser, wherein dealcoholysis kettle includes autoclave body and the steam engine for being arranged at autoclave body upper end, the rabbling mechanism rotated by steam engine driving is provided in autoclave body, the jet chimney for being heated to material in autoclave body is provided on the inner wall of autoclave body, the upper and lower part of autoclave body is respectively arranged with and steam inlet channel and jet chimney outlet, the first conveyance conduit is provided between boilers heated electrically and steam inlet channel, jet chimney is exported is provided with the second conveyance conduit between steam engine, the 3rd conveyance conduit is provided between steam engine and condenser, reflux line is provided between condenser and boilers heated electrically.The dealcoholization system provided by the utility model for preparing DOTP, it is simple in structure, it is easy to implement, it can be effectively energy saving.
Description
Technical field
The utility model is related to a kind of dealcoholization systems for preparing DOTP.
Background technology
In DOTP（Dioctyl terephthalate）Production technology in, it is excessive pungent due to being added in alcoholization reaction
Alcohol from neutralizing, in the thick ester after washing, containing a certain amount of water and excessive octanol, need to be removed further, traditional method for dealcoholized
It is：Under condition of negative pressure, 280~300 DEG C of steam is passed through into dealcoholysis kettle, steam is used as band alcohol agent, while plays stirring
Effect, the extension for being passed through the vacuum degree that can be reduced in dealcoholysis kettle, causing the production cycle of steam.Meanwhile low vacuum, high-temperature are again
It can have a negative impact to the color and luster and acid value of finished product.
Occurs the dealcoholysis kettle of a kind of band heating and agitating function later, as the reality of Application No. 201520033365.4
With a kind of stirring-type dealcoholysis kettle disclosed in new patent, including autoclave body, heating oil pipe is provided on the inside of autoclave body, in kettle
The rabbling mechanism of electric drive is provided on the central axes of body, the top one side of autoclave body is provided with heating oil outlet, autoclave body
Lower part one side be provided with heating oil inlet, which need not be passed through steam in autoclave body when in use, therefore can protect
The vacustat in dealcoholysis kettle is held, by being passed through high-temperature hot oil in heating oil pipe the in vivo material of kettle is enable to obtain uniformly
Heating, finally can be derived that the more excellent finished product of color and luster and acid value.But on the one hand the dealcoholysis kettle needs to be stirred with electric drive
Mechanism is mixed, on the other hand also needs to carry out circulating-heating to deep fat, causes entire dealcoholization system complex, be also unfavorable for saving
Energy consumption.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of dealcoholization system for preparing DOTP, simple in structure, real
It applies conveniently, it can be effectively energy saving.
To achieve the above object, the utility model provides a kind of dealcoholization system for preparing DOTP, including boilers heated electrically, takes off
Alcohol kettle and condenser, wherein dealcoholysis kettle include autoclave body and the steam engine for being arranged at autoclave body upper end, are provided in autoclave body by steam
Machine drives the rabbling mechanism rotated, and the jet chimney for being heated to material in autoclave body, kettle are provided on the inner wall of autoclave body
The upper and lower part of body be respectively arranged with steam inlet channel and jet chimney outlet, boilers heated electrically and steam inlet channel it
Between be provided with the first conveyance conduit, the second conveyance conduit, steam engine and condensation are provided between jet chimney outlet and steam engine
The 3rd conveyance conduit is provided between device, reflux line is provided between condenser and boilers heated electrically.
It is using the advantages of above-mentioned technical proposal：High temperature and high pressure steam caused by boilers heated electrically passes through the first conveyance conduit
When entering in the jet chimney of dealcoholysis kettle, the in vivo material of kettle can be evenly heated；Then pass through the second conveying again
Pipeline enters steam engine so that steam engine can drive rabbling mechanism to rotate, and the steam that steam engine is discharged is again by the 3rd
Conveyance conduit is entered in condenser, and the steam by condenser cooling, which is back to eventually by reflux line in boilers heated electrically, to return
It receives and utilizes.The stirring to material and heating problems, therefore whole system knot can be solved simultaneously as long as being energized to boilers heated electrically
Structure is simple, easy to implement, can be more effectively energy saving for more traditional dealcoholization system.
As further improvement of the utility model, the rabbling mechanism includes agitating shaft, along length side on agitating shaft
To the stirrer gear that radially extends is evenly equipped with, the lower end of agitating shaft is provided with anchor formula stirrer gear.
It is using the advantages of above-mentioned technical proposal：The setting of stirrer gear and anchor formula stirrer gear, enables material on agitating shaft
More fully stirred.
As further improvement of the utility model, the jet chimney is spirally distributed in inner wall of kettle, steam pipe
Multiple heating looped pipelines extended to autoclave body central axis direction are also distributed on road, which is connected with jet chimney, adds
Hot looped pipeline is arranged at the position that stirrer gear and anchor formula stirrer gear stirring scope are avoided on jet chimney.
It is using the advantages of above-mentioned technical proposal：Since the jet chimney is spirally distributed in inner wall of kettle, and steam
Multiple heating looped pipelines extended to autoclave body central axis direction are distributed on steam pipe road, therefore increase the contact area with material,
Material can constantly be in contact in stirring in autoclave body and with jet chimney in migration, material be enable to obtain abundant, uniform
Heating.
As further improvement of the utility model, multiple be used for jet chimney progress is provided on the inner wall of kettle
The jet chimney retainer of positioning.
It is using the advantages of above-mentioned technical proposal：It is fixed convenient for stablizing between jet chimney and inner wall of kettle, and can
Conduction is reduced to the heat of inner wall of kettle, so as to reduce heat consumption.
Description of the drawings
Fig. 1 is the structure chart of the utility model embodiment；
Fig. 2 is the sectional view of dealcoholysis kettle in the utility model embodiment；
Fig. 3 is sectional view axial in the utility model embodiment.
Specific embodiment
The embodiment of the dealcoholization system for preparing DOTP of the utility model is as shown in Figs. 1-3：Including boilers heated electrically 3, dealcoholysis
Kettle 1 and condenser 4, wherein dealcoholysis kettle 1 include autoclave body 11 and the steam engine 2 for being arranged at 11 upper end of autoclave body, are set in autoclave body 11
There is the rabbling mechanism that rotation is driven by steam engine 2, be provided with to heat material in autoclave body 11 on the inner wall of autoclave body 11
Jet chimney 18, the upper and lower part of autoclave body 11 is respectively arranged with and steam inlet channel 15 and jet chimney outlet 13, electricity
The first conveyance conduit 5 is provided between heat boiler 3 and steam inlet channel 15, is set between jet chimney outlet 13 and steam engine 2
The second conveyance conduit 6 is equipped with, the 3rd conveyance conduit 7, condenser 4 and boilers heated electrically 3 are provided between steam engine 2 and condenser 4
Between be provided with reflux line 8,11 top of autoclave body is additionally provided with feed inlet 16, and 11 bottom of autoclave body is provided with discharge port 14.
In the present embodiment, the rabbling mechanism includes agitating shaft 12, and footpath is evenly equipped with along its length on agitating shaft 12
To the stirrer gear 121 of extension, the lower end of agitating shaft 12 is provided with anchor formula stirrer gear 122.
In the present embodiment, the jet chimney 18 is spirally distributed in 11 inner wall of autoclave body, is also divided on jet chimney 18
Multiple heating looped pipelines 181 extended to 11 central axis direction of autoclave body are furnished with, which is connected with jet chimney 18,
Heating looped pipeline 181 is arranged at the position that stirrer gear 121 and the stirring scope of anchor formula stirrer gear 122 are avoided on jet chimney 18.
In the present embodiment, multiple steam for being positioned to jet chimney 18 are provided on 11 inner wall of autoclave body
Pipeline retainer 19, jet chimney 18 leave certain sky under the positioning of jet chimney retainer 19 between 11 inner wall of autoclave body
Gap.
One kind of above example, simply the utility model preferably specific embodiment, those skilled in the art are in this reality
It is included in the usual variations and alternatives carried out in new technique aspects in the scope of protection of the utility model.
Claims (4)
1. a kind of dealcoholization system for preparing DOTP, it is characterised in that：Including boilers heated electrically, dealcoholysis kettle and condenser, wherein dealcoholysis
Kettle includes autoclave body and the steam engine for being arranged at autoclave body upper end, and the rabbling mechanism rotated by steam engine driving is provided in autoclave body,
The jet chimney for being heated to material in autoclave body is provided on the inner wall of autoclave body, the upper and lower part of autoclave body is set respectively
Have and exported with steam inlet channel and jet chimney, the first conveyance conduit is provided between boilers heated electrically and steam inlet channel,
Jet chimney is exported is provided with the second conveyance conduit between steam engine, and the 3rd delivery pipe is provided between steam engine and condenser
Road is provided with reflux line between condenser and boilers heated electrically.
2. according to the dealcoholization system for preparing DOTP described in claim 1, it is characterised in that：The rabbling mechanism includes stirring
Axis is mixed, is evenly equipped with the stirrer gear radially extended on agitating shaft along its length, the lower end of agitating shaft is provided with anchor formula stirrer gear.
3. according to the dealcoholization system for preparing DOTP described in claim 2, it is characterised in that：The jet chimney is in autoclave body
Wall is spirally distributed, and multiple heating looped pipelines extended to autoclave body central axis direction, the heating pair are also distributed on jet chimney
Pipe is connected with jet chimney, and heating looped pipeline is arranged at the position that stirrer gear and anchor formula stirrer gear stirring scope are avoided on jet chimney
It puts.
4. according to the dealcoholization system for preparing DOTP described in claim 1 or 3, it is characterised in that：It is set on the inner wall of kettle
It is equipped with multiple jet chimney retainers for being positioned to jet chimney.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720965583.0U CN207445638U (en) | 2017-08-03 | 2017-08-03 | Prepare the dealcoholization system of DOTP |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720965583.0U CN207445638U (en) | 2017-08-03 | 2017-08-03 | Prepare the dealcoholization system of DOTP |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207445638U true CN207445638U (en) | 2018-06-05 |
Family
ID=62247972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720965583.0U Active CN207445638U (en) | 2017-08-03 | 2017-08-03 | Prepare the dealcoholization system of DOTP |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207445638U (en) |
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2017
- 2017-08-03 CN CN201720965583.0U patent/CN207445638U/en active Active
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