CN202238022U - Reaction kettle for producing material easily powdered in reaction process - Google Patents
Reaction kettle for producing material easily powdered in reaction process Download PDFInfo
- Publication number
- CN202238022U CN202238022U CN2011203342182U CN201120334218U CN202238022U CN 202238022 U CN202238022 U CN 202238022U CN 2011203342182 U CN2011203342182 U CN 2011203342182U CN 201120334218 U CN201120334218 U CN 201120334218U CN 202238022 U CN202238022 U CN 202238022U
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- Prior art keywords
- rotary drum
- drum
- reaction
- vacuum
- producing
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- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
Abstract
The utility model discloses a reaction kettle for producing a material easily powdered in a reaction process. The reaction kettle comprises a drum which is provided with a charging hole and a manhole; the outer side of the drum is connected with a moving ring; a gas inlet/outlet pipe in the drum is connected with a static ring; a vacuumizing pipe extends into the drum, and the other end of the vacuumizing pipe is connected with a vacuum pump; and a nitrogen inlet pipe extends into the drum to convey nitrogen into the drum. The reaction kettle disclosed by the utility model has the advantages that: the material is tackified mainly by charging nitrogen at the earlier stage so as to prevent a great number of low molecules from being generated in the drum and prevent small powder particles from depositing in the pipeline and blocking the pipeline; and at the later stage, the low-polymer solid-phase tackification is completed by vacuumizing, thereby improving the yield of the product and lowering the cost.
Description
Technical field
The utility model relates to a kind of agitated reactor, particularly a kind of agitated reactor of producing the material that in course of reaction, has been prone to powder.
Background technology
When producing special engineering plastics; The at present normal method that adopts be to prepare oligomer earlier, and again with the oligomer solid-phase tack producing, but high-temperature nylon and liquid crystal etc. can produce a large amount of undersized powders in that oligomer is processed when suitable dimension carries out solid-phase tack producing; Because rotary drum adopts and vacuumizes tackify usually; Thereby the low molecule that these undersized powders join regular meeting and the generation often of solid-phase tack producing in the rotary drum extracted out by high vacuum together, and the undersized powder that contains assorted oligomer can be deposited in the pipeline of vacuum-pumping tube, causes pipeline obstruction; Further tackify can cause the material its colour changed into yellow simultaneously.
Chinese patent 200810024815.8 discloses a kind of small solid-phase tack producing device and method for using thereof; Its method is polyester slice to be passed through in the charge door access arrangement, and make section begin polycondensation reaction after being heated to uniform temperature; And discharge with low-molecular material; The lower-molecular substance that course of reaction produced is discharged from charge door or vaccum exhaust outlet with nitrogen, and its advantage is that it is low that product is stablized energy consumption; But its deficiency is, only is fit to produced in small quantities and can not be applied to large-scale industrial circle.
The scheme that solves at present generally is to be employed in the rotary drum before the tackify Powder screen to be fallen; But oligomer and still wall friction do not reach to collide each other and still can produce certain dust before viscosity gets on; The rotary drum solid-phase tack producing there is certain influence; And the undersized powder that sieves can cause waste, improves product cost.
Summary of the invention
The purpose of the utility model is, a kind of agitated reactor is provided, and can reduce dust and micromolecular quantity in the agitated reactor greatly, to avoid line clogging.
A kind of agitated reactor of producing the material that in course of reaction, has been prone to powder comprises that charge door is arranged on the rotary drum, the outer side joint rotating ring of rotary drum; Inner turnover tracheae connects stationary ring; One vacuum-pumping tube stretches in the rotary drum, and its other end connects vavuum pump, and the nitrogen air inlet pipe stretches into can be to rotary drum delivered inside nitrogen in the rotary drum.
In addition, a vacuum flap is arranged on the mouth of pipe of vacuum-pumping tube; The input of nitrogen air inlet pipe is equipped with a valve; One cyclone separator and a cold-trap are housed between vacuum-pumping tube and the vavuum pump; In the rotary drum, the mouth of pipe of nitrogen air inlet pipe is positioned at the bottom of the drum, and the vacuum-pumping tube mouth of pipe is positioned at the rotary drum top.
There is a large amount of hanging down to adopt logical nitrogen tackify when molecules produce early stage in the solid-phase tack producing reaction; Temperature, the time of logical nitrogen are decided by the smoke amount of nitrogen outlet; The nitrogen throughput can not taken a large amount of dust out of with normal temperature and be advisable from the gas outlet, the low molecule that produces in the solid-phase tack producing reaction later stage adopts seldom the time again and vacuumizes tackify.
The described production of the utility model has been prone to the agitated reactor of the material of powder in course of reaction; Its advantage is: agitated reactor has a logical nitrogen tube and a vacuum-pumping tube; Early stage, the modes of logical nitrogen that rely on made the material tackify more, blocked pipeline in the pipeline to avoid in the rotary drum a large amount of low molecules that produce and undersized powder to be deposited on; Later stage makes that through the mode that vacuumizes the oligomer solid-phase tack producing is complete, reduces cost when can improve the yield of product like this.
Description of drawings
Fig. 1 is a kind of solid-phase tack producing agitated reactor of producing the material that in course of reaction, has been prone to powder.
The specific embodiment
Through the specific embodiment the utility model is described below, but is not limited to this.
A kind of agitated reactor of producing the material that in course of reaction, has been prone to powder; On its rotary drum 1 charge door 2 is arranged; Rotary drum 1 outer side joint rotating ring, inner turnover tracheae connects stationary ring, and a vacuum-pumping tube 5 stretches in the rotary drum 1; Its other end connects vavuum pump 10, and nitrogen air inlet pipe 4 stretches into can be to rotary drum 1 delivered inside nitrogen in the rotary drum 1; One vacuum flap 6 is arranged on the mouth of pipe of vacuum-pumping tube 5; The input of nitrogen air inlet pipe 4 is equipped with a valve 7, and cyclone separator 8 and cold-trap 9 are housed between vacuum-pumping tube 5 and the vavuum pump 10, and in the rotary drum 1, the mouth of pipe of nitrogen air inlet pipe 4 is positioned at rotary drum 1 bottom, and vacuum-pumping tube 5 mouths of pipe are positioned at rotary drum 1 top.
Subsequently agitated reactor is measured, the high-temperature nylon oligomer 10kg that will contain dust earlier joins and carries out solid-phase tack producing in the 50L rotary drum, and wherein particle diameter is greater than the material 9kg of 50um; Particle diameter is less than the material 1kg of 50um, and logical nitrogen rotates rotary drum; Be warming up to 210 ℃, smoke is not obvious, switches to vacuum; Be evacuated to 30Pa, at 260 ℃ of reactions 6 hours, cooling discharge.Discharging 9.8kg records relative viscosity 2.3 altogether.
Prepare with existing rotary drum in addition and measure the result, the high-temperature nylon oligomer 10kg that will contain dust joins and carries out solid-phase tack producing in the 50L rotary drum, and wherein particle diameter is greater than the material 9kg of 50um; Particle diameter is less than the material 1kg of 50um; Be evacuated to 30Pa, rotate rotary drum, drop to 500Pa when temperature rises to 180 ℃ of vacuum; Cooling discharge, its colour changed into yellow.
The said determination scheme is carried out mensuration as a result, adopt this agitated reactor to simplify operation, reduced cost, improved yield.And the little molecule of few absorption in the vacuum-pumping tube, can reduce cost of equipment maintenance greatly like this.
Claims (6)
1. a production has been prone to the agitated reactor of the material of powder in course of reaction; Comprise charge door (2) and manhole (3) are arranged on the rotary drum (1); The outer side joint rotating ring of rotary drum (1) (11), inner escape pipe connect stationary ring (12), it is characterized in that: a vacuum-pumping tube (5) stretches in the rotary drum (1); Its other end connects vavuum pump (10), and nitrogen air inlet pipe (4) stretches into can be to rotary drum (1) delivered inside nitrogen in the rotary drum (1).
2. a kind of agitated reactor of producing the material that in course of reaction, has been prone to powder according to claim 1 is characterized in that a vacuum flap (6) is arranged on the mouth of pipe of vacuum-pumping tube (5).
3. a kind of agitated reactor of producing the material that in course of reaction, has been prone to powder according to claim 1 is characterized in that the input of nitrogen air inlet pipe (4) is equipped with a valve (7).
4. a kind of agitated reactor of producing the material that in course of reaction, has been prone to powder according to claim 1 is characterized in that, between vacuum-pumping tube (5) and the vavuum pump (10) cyclone separator (8) is housed.
5. a kind of agitated reactor of producing the material that in course of reaction, has been prone to powder according to claim 1 is characterized in that, between vacuum-pumping tube (5) and the vavuum pump (10) cold-trap (9) is housed.
6. a kind of agitated reactor of producing the material that in course of reaction, has been prone to powder according to claim 1; It is characterized in that; In the rotary drum (1), the mouth of pipe of nitrogen air inlet pipe (4) is positioned at rotary drum (1) bottom, and vacuum-pumping tube (5) mouth of pipe is positioned at rotary drum (1) top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203342182U CN202238022U (en) | 2011-09-07 | 2011-09-07 | Reaction kettle for producing material easily powdered in reaction process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203342182U CN202238022U (en) | 2011-09-07 | 2011-09-07 | Reaction kettle for producing material easily powdered in reaction process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202238022U true CN202238022U (en) | 2012-05-30 |
Family
ID=46099327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203342182U Expired - Fee Related CN202238022U (en) | 2011-09-07 | 2011-09-07 | Reaction kettle for producing material easily powdered in reaction process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202238022U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102380336A (en) * | 2011-09-07 | 2012-03-21 | 金发科技股份有限公司 | Reactor for producing material easy to produce powder, and preparation method of the material |
-
2011
- 2011-09-07 CN CN2011203342182U patent/CN202238022U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102380336A (en) * | 2011-09-07 | 2012-03-21 | 金发科技股份有限公司 | Reactor for producing material easy to produce powder, and preparation method of the material |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20200907 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |