CN206256014U - A kind of solid state polycondensation tank pumped vacuum systems - Google Patents
A kind of solid state polycondensation tank pumped vacuum systems Download PDFInfo
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- CN206256014U CN206256014U CN201621283758.1U CN201621283758U CN206256014U CN 206256014 U CN206256014 U CN 206256014U CN 201621283758 U CN201621283758 U CN 201621283758U CN 206256014 U CN206256014 U CN 206256014U
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- decleaning
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Abstract
The utility model discloses a kind of solid state polycondensation tank pumped vacuum systems, including vacuum mechanism, the first vacuum tube, the second vacuum tube and decleaning tank；One end of first vacuum tube is used to be connected with solid state polycondensation tank, and one end of the second vacuum tube connects with vacuum mechanism；The other end of the first vacuum tube and the second vacuum tube is extended respectively in the inner chamber of decleaning tank, two parallel dividing plates are provided with decleaning tank, dividing plate outer rim is tightly connected with the inner surface of decleaning tank, air-vent is provided with dividing plate, filled with non-dust cloth between two dividing plates, the end face of the first vacuum tube and the second vacuum tube is separately positioned on the filter house both sides that two dividing plates are enclosed.The solid state polycondensation tank pumped vacuum systems simple structure, surge tank is centered by reactor and vacuum means, PBT powder and 1 are adsorbed using the non-dust cloth in surge tank, 4 butanediols, contribute to the load of mitigation vavuum pump dust removal filter, and the impurity of product surface, Improving The Quality of Products can be significantly reduced.
Description
Technical field
The utility model is related to PBT pellet production equipment technical fields, and in particular to a kind of solid state polycondensation tank is taken out very
Empty set is united.
Background technology
Polybutylene terephthalate (PBT)（PBT）As crystalline line style saturated polyester, in order to meet specific physics
The need for mechanical performance and processing characteristics, the intrinsic viscosity of PBT is generally improved using solid phase polycondensation mode.Solid phase polycondensation is exactly
More than glass transition temperature, below melt temperature, polyester granulate needs the polycondensation reaction carried out under catalyst action, while borrowing
Help vacuum or nitrogen to take away small molecule product, the purpose of molecular weight is improved to reach.
PBT solid state polycondensations include two kinds of process conditions：The polycondensation of nitrogen high temperature solid-state and vacuum high-temperature solid phase polycondensation.It is existing
There is the device that the vacuum high-temperature polycondensation reaction in technology is used only comprising reactor and the device for vacuumizing.But, PBT's consolidates
Phase polycondensation can discharge some accessory substances, such as BDO, PBT powder etc., wherein BDO（1,4- butanediols）It is liquid, with PBT powder
Grease-like material can be condensed into after mixing in pipeline；And PBT powder can shorten the life-span of vavuum pump dust removal filter.Solid phase polycondensation
After the completion of reaction during reactor vacuum breaker, oily mater can be back in reactor with the air in vacuum tube, and is attached to material
Surface forms stain, influences the quality of product.
Utility model content
The purpose of this utility model is to overcome defect present in prior art, there is provided one kind improves product quality, subtracts
The solid state polycondensation tank pumped vacuum systems of few finished surface impurity.
To realize above-mentioned technique effect, the technical solution of the utility model is：A kind of solid state polycondensation tank vacuumizes and is
System, it is characterised in that including vacuum mechanism, the first vacuum tube, the second vacuum tube and decleaning tank；One end of first vacuum tube is used for
It is connected with solid state polycondensation tank, one end of the second vacuum tube connects with vacuum mechanism；First vacuum tube and the second vacuum tube
The other end is extended respectively in the inner chamber of decleaning tank, and two parallel dividing plates, dividing plate outer rim and decleaning tank are provided with decleaning tank
Inner surface is tightly connected, and air-vent is provided with dividing plate, and non-dust cloth, the first vacuum tube and the second vacuum are filled between two dividing plates
The end face of pipe is separately positioned on the filter house both sides that two dividing plates are enclosed.
In order to increase the exhaust of the first vacuum tube and the contact probability of non-dust cloth, preferred technical scheme is, the first vacuum
The other end of pipe passes through two dividing plates, and the surface of the first vacuum tube is connected with bulkhead seal.
The replacing of non-dust cloth for convenience, preferred technical scheme is to be provided with use on the removal of impurities pot sidewall between dividing plate
In the mouth that reloads for changing non-dust cloth.
After non-dust cloth saturation, unnecessary liquid impurities can drop down onto removal of impurities pot bottom because of deadweight, for the ease of liquid collecting, preferably
Technical scheme is that the bottom surface of decleaning tank is inversed taper platform shape or arc surfaced.
For the ease of liquid impurities are discharged, preferred technical scheme can also be that the bottom of decleaning tank is provided with waste liquid
Outlet.
The dismounting and cleaning of decleaning tank for convenience, preferred technical scheme is that cone cylinder shape is provided between two dividing plates
Connector, the both ends of the surface of connector are connected with two bulkhead seals, and connector, two dividing plates enclose the filtration members of taper type, dustless
Cloth is arranged in the inner chamber of filtration members；Decleaning tank is tightly connected and is formed by the first open part and the second open part, the first open part
Be circle with the open end face of the second open part, filtration members are equipped with the first open part, the outer surface of filtration members with
Flexible seal ring is provided between first open part, the filtration members end face diameter positioned at the first open part open-mouth is opened more than second
The open end face internal diameter of mouth part, the second open part opening end face in decleaning tank is used for and filtration members phase top pressure.
Advantage of the present utility model and beneficial effect are：
The solid state polycondensation tank pumped vacuum systems simple structure, buffering is centered by reactor and vacuum means
Tank, PBT powder and BDO are adsorbed using the non-dust cloth in surge tank, help to mitigate the negative of vavuum pump dust removal filter
Lotus, and the impurity of product surface, Improving The Quality of Products can be significantly reduced.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment 1；
Fig. 2 is the structural representation of the utility model embodiment 2.
In figure：1st, vacuum mechanism；2nd, the first vacuum tube；3rd, the second vacuum tube；4th, decleaning tank；41st, the first open part；42、
Second open part；5th, dividing plate；6th, air-vent；7th, non-dust cloth；8th, waste liquid outlet；9th, reload mouth；10th, sealing ring；11st, connect
Part.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is further described.Hereinafter implement
Example is only used for clearly illustrating the technical solution of the utility model, and protection model of the present utility model can not be limited with this
Enclose.
Embodiment 1
As shown in figure 1, the solid state polycondensation tank pumped vacuum systems of embodiment 1, including vacuum mechanism 1, the first vacuum tube
2nd, the second vacuum tube 3 and decleaning tank 4；One end of first vacuum tube 2 is used to be connected with solid state polycondensation tank, the second vacuum tube 3
One end connected with vacuum mechanism 1；The other end of the first vacuum tube 2 and the second vacuum tube 3 extends respectively to the inner chamber of decleaning tank 4
In, two parallel dividing plates 5 are provided with decleaning tank 4, the outer rim of dividing plate 5 is tightly connected with the inner surface of decleaning tank 4, is set on dividing plate 5
Air-vent 6 is equipped with, filled with non-dust cloth 7 between two dividing plates 5, the end face of the first vacuum tube 2 and the second vacuum tube 3 is separately positioned on
The filter house both sides that two dividing plates 5 are enclosed.
Decleaning tank 4 is vertically arranged in embodiment 1, and dividing plate 5 is horizontally disposed with, and the bottom surface of decleaning tank 4 is inversed taper platform shape, decleaning tank
4 bottom is provided with waste liquid outlet 8.
The mouth 9 that reloads for changing non-dust cloth is provided with the side wall of decleaning tank 4 between dividing plate 5.First vacuum tube 2, remove
Welded type is between miscellaneous tank 4, dividing plate 5 to be tightly connected.
Embodiment 2
As shown in Fig. 2 embodiment 2 is with the difference of embodiment 1, the other end of the first vacuum tube 2 passes through two dividing plates 5,
The surface of the first vacuum tube 2 is tightly connected with dividing plate 5.Dividing plate 5 is obliquely installed.
The connector 11 of cone cylinder shape is provided between two dividing plates, the both ends of the surface of connector 11 are tightly connected with two dividing plates 5, even
Fitting 11, two dividing plates 5 enclose the filtration members of taper type, and non-dust cloth 7 is arranged in the inner chamber of filtration members；Decleaning tank 4 is by first
The open part 42 of open part 41 and second is tightly connected and forms, and the open end face of the first open open part 42 of part 41 and second is circle
Shape, filtration members are equipped with the first open part 41, set flexible between the outer surface of filtration members and the first open part 41
Sealing ring 10, in the open end face of the filtration members end face diameter more than the second open part 42 of the first open open-mouth of part 41
Footpath, the second open open end face of part 42 in decleaning tank 4 is used for and filtration members phase top pressure.
The outer surface of filtration members is provided with two seals circle in embodiment 2, respectively outside two circular end faces of filtration members
Edge, is also equipped with the mouth that reloads on connector, the mouth that reloads is oppositely arranged with the mouth that reloads on removal of impurities pot sidewall.
When using, reactor is vacuumized using vacuum mechanism first, when the vacuum in reactor reaches certain value,
The heater of reactor is opened, now vavuum pump or vacuum pump set be still in the state for vacuumizing, material carries out PBT and consolidates in kettle
Phase polycondensation reaction, the dopant vapors of embodiment 1 flow into decleaning tank along the first vacuum tube, and a part of dopant vapors are condensed in vacuum tube
Be that orifice surface is dropped under liquid, liquid impurities, penetrate into non-dust cloth, another part dopant vapors enter met in decleaning tank it is dustless
Cloth is adsorbed, and the condensation PBT same filterings via non-dust cloth of powder, the second vacuum tube is vacuumized from decleaning tank；Reaction is completed
Afterwards, air is introduced up to normal pressure, the material discharging in kettle via the second vacuum tube and the first vacuum tube.
The above-mentioned optional aramid fiber non-dust cloth of non-dust cloth, resistant to elevated temperatures dustless asbestos cloth etc..
The extraction gas reactor of the first vacuum tube bottom in embodiment 2 rebounds in decleaning tank bottom surface, and a part is in removal of impurities
Tank bottom face condenses, and another part is volatized into filtration members upwards, and filtration members absorb in time；During vacuum breaker, the mouth of pipe it is downward first
Vacuum tube will not contact impurity, therefore the impurity level being drawn back into reactor is few.
The above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model know-why is not departed from, some improvements and modifications can also be made, these change
Enter and retouch also to should be regarded as protection domain of the present utility model.
Claims (6)
1. a kind of solid state polycondensation tank pumped vacuum systems, it is characterised in that including vacuum mechanism, the first vacuum tube, second true
Blank pipe and decleaning tank；One end of first vacuum tube is used to be connected with solid state polycondensation tank, one end of the second vacuum tube and vacuum
Mechanism connection；The other end of the first vacuum tube and the second vacuum tube is extended respectively in the inner chamber of decleaning tank, is set in decleaning tank
There are two parallel dividing plates, dividing plate outer rim is tightly connected with the inner surface of decleaning tank, air-vent is provided with dividing plate, between two dividing plates
Filled with non-dust cloth, the end face of the first vacuum tube and the second vacuum tube is separately positioned on the filter house both sides that two dividing plates are enclosed.
2. solid state polycondensation tank pumped vacuum systems according to claim 1, it is characterised in that the first vacuum tube it is another
Through two dividing plates, the surface of the first vacuum tube is connected with bulkhead seal at end.
3. solid state polycondensation tank pumped vacuum systems according to claim 1, it is characterised in that the decleaning tank between dividing plate
The mouth that reloads for changing non-dust cloth is provided with the wall of side.
4. solid state polycondensation tank pumped vacuum systems according to claim 2, it is characterised in that the bottom surface of decleaning tank is to fall
Taper type or arc surfaced.
5. solid state polycondensation tank pumped vacuum systems according to claim 2, it is characterised in that the bottom of decleaning tank is set
There is waste liquid outlet.
6. solid state polycondensation tank pumped vacuum systems according to claim 2, it is characterised in that be provided between two dividing plates
The connector of cone cylinder shape, the both ends of the surface of connector are connected with two bulkhead seals, and connector, two dividing plates enclose the filtering of taper type
Part, non-dust cloth is arranged in the inner chamber of filtration members；Decleaning tank is tightly connected and is formed by the first open part and the second open part, and first
The open end face of open part and the second open part is circle, and filtration members are equipped with the first open part, outside filtration members
Flexible seal ring is provided between surface and the first open part, the filtration members end face diameter positioned at the first open part open-mouth is more than
The open end face internal diameter of the second open part, the second open part opening end face in decleaning tank is used for and filtration members phase top pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621283758.1U CN206256014U (en) | 2016-11-28 | 2016-11-28 | A kind of solid state polycondensation tank pumped vacuum systems |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621283758.1U CN206256014U (en) | 2016-11-28 | 2016-11-28 | A kind of solid state polycondensation tank pumped vacuum systems |
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| CN206256014U true CN206256014U (en) | 2017-06-16 |
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| CN201621283758.1U Active CN206256014U (en) | 2016-11-28 | 2016-11-28 | A kind of solid state polycondensation tank pumped vacuum systems |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108772036A (en) * | 2018-06-20 | 2018-11-09 | 南京肽业生物科技有限公司 | A kind of flux for Peptide systhesis is adjustable reaction unit |
-
2016
- 2016-11-28 CN CN201621283758.1U patent/CN206256014U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108772036A (en) * | 2018-06-20 | 2018-11-09 | 南京肽业生物科技有限公司 | A kind of flux for Peptide systhesis is adjustable reaction unit |
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