CN102002155A - Device for removing low boiling point matters in polyether polyol - Google Patents
Device for removing low boiling point matters in polyether polyol Download PDFInfo
- Publication number
- CN102002155A CN102002155A CN 201010515403 CN201010515403A CN102002155A CN 102002155 A CN102002155 A CN 102002155A CN 201010515403 CN201010515403 CN 201010515403 CN 201010515403 A CN201010515403 A CN 201010515403A CN 102002155 A CN102002155 A CN 102002155A
- Authority
- CN
- China
- Prior art keywords
- boiling point
- polyether glycol
- circulating line
- hold tank
- point material
- 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.)
- Pending
Links
Images
Landscapes
- Polyethers (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The invention discloses a device for removing low boiling point matters in polyether polyol, which comprises a storage tank, wherein a stirrer is arranged in the storage tank, the top of the storage tank is provided with an inlet of a circulating pipe, and the bottom of the storage tank is provided with an outlet of the circulating pipe; a circulating pump is arranged on the circulating pipe; an extraction tank is connected with the circulating pipe; the top of the storage tank is provided with an exhaust pipe; and the inlet of the circulating pipe is provided with a nozzle. The device has simple structure, and can be used for fully removing the low boiling point matters in the polyether polyol so that refined polyether polyol according with the requirement is obtained.
Description
Technical field
The present invention relates to a kind of low-boiling point material tripping device, specifically a kind of device that removes low-boiling point material in the polyether glycol.
Background technology
Usually can contain low-boiling point materials such as water in polyether glycol, these low-boiling point materials can be dissolved in the polyether glycol under normal conditions.Polyether glycol leaves in the hold tank, and for the polyether glycol in the hold tank is made with extra care, the low-boiling point material evaporation that needs to be dissolved in the polyether glycol removes.
The boiling point of polyether glycol in the prior art, utilizes the boiling point difference of polyether glycol and low-boiling point material to remove low-boiling point material in the polyether glycol about 230 ℃.Usually adopt the discharge method of above hold tank, bleeding, when bleeding, in hold tank, inject polyether glycol by recycle pump, because the agitator in the hold tank is ceaselessly in rotation, low-boiling point material in the hold tank in the polyether glycol is evaporated out, extraction pipe by the hold tank top is discharged, and finishes the refining to polyether glycol in the hold tank.In the prior art, because by injecting polyether glycol in pipeline is directly in hold tank, the low-boiling point material evaporation effect is poor.Studies show that, under 120 ℃ of temperature through 6 hours after, to retain concentration be 0.08% to low-boiling point material in the polyether glycol, can not satisfy the requirement of refining polyether glycol.
Summary of the invention
In order to overcome the problem of the low-boiling point material evaporation effect difference that exists in the prior art, the purpose of this invention is to provide a kind of device that removes low-boiling point material in the polyether glycol, this apparatus structure is simple, can fully remove low-boiling point material in the polyether glycol, obtain satisfactory refining polyether glycol.
The objective of the invention is to be achieved through the following technical solutions:
A kind of device that removes low-boiling point material in the polyether glycol comprises hold tank, is provided with agitator in hold tank, is provided with the import of circulating line at the hold tank top, is provided with the outlet of circulating line in the hold tank bottom; On circulating line, be provided with recycle pump; Extractor is connected with circulating line; Be provided with vapor pipe at the hold tank top; It is characterized in that: the ingress at circulating line is provided with sprinkler head.
Among the present invention, described sprinkler head is and the suitable circle of hold tank cross-sectional shape, is provided with one group of spray orifice on circular sprinkler head.
For not having impurity in the polyether glycol that guarantees to enter sprinkler head, prevent to stop up spray orifice, on circulating line, be provided with filtering net.
For convenient system polyether glycol in the hold tank is extracted in the extractor, on circulating line, be provided with circulation control valve; Be provided with the extraction control valve on the pipeline before extractor.
The present invention adopts sprinkler structure to guarantee to be scatter by the polyether glycol that the circulating line import enters in the hold tank, the best that is effective, compared with prior art, the present invention is simple in structure, can fully remove low-boiling point material in the polyether glycol, obtain satisfactory refining polyether glycol.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Embodiment
A kind of device that removes low-boiling point material in the polyether glycol of the present invention, see Fig. 1, this device comprises hold tank 1, is provided with agitator 2 in hold tank 1, be provided with the import of circulating line 3 at hold tank 1 top, be provided with the outlet of circulating line 3 in hold tank 1 bottom; On circulating line 3, be provided with recycle pump 5; Extractor 7 is connected with circulating line 3; Be provided with vapor pipe 8 at hold tank 1 top; Ingress at circulating line 3 is provided with sprinkler head 6.Sprinkler head 6 is and the suitable circle of hold tank 1 cross-sectional shape, is provided with one group of spray orifice on circular sprinkler head.
For not having impurity in the polyether glycol that guarantees to enter sprinkler head, prevent to stop up spray orifice, on circulating line 3, be provided with filtering net 4.For convenient system polyether glycol in the hold tank 1 is extracted in the extractor 7, on circulating line 3, be provided with circulation control valve 10; Be provided with on the pipeline before extractor 7 and extract control valve 11.
During refining, open the control valve 10 on the circulating line 3, extract control valve 11 and close.Recycle pump 5 work, polyether glycol liquid in the hold tank is entered in the circulating line 3 by the outlet of circulating line 3 bottoms, flow to hold tank 1 top, and in hold tank 1, spray by circulating line 3, process filtering net 4 by one group of spray orifice that circular sprinkler head is provided with.Simultaneously, agitator 2 work, vapor pipe 8 is in bleeds, and the low-boiling point material evaporation that then is dissolved in the polyether glycol is removed from vapor pipe 8.After refining is finished, as long as close control valve 10 on the circulating line 3, open and extract control valve 11 and get final product, the polyether glycol after the refining enters in the extractor 7.
The present invention is simple in structure, and is easy to use, can fully remove low-boiling point material in the polyether glycol, obtains satisfactory refining polyether glycol.
Claims (4)
1. device that removes low-boiling point material in the polyether glycol, comprise hold tank (1), in hold tank (1), be provided with agitator (2), be provided with the import of circulating line (3) at hold tank (1) top, be provided with the outlet of circulating line (3) in hold tank (1) bottom; On circulating line (3), be provided with recycle pump (5); Extractor (7) is connected with circulating line (3); Be provided with vapor pipe (8) at hold tank (1) top; It is characterized in that: the ingress at circulating line (3) is provided with sprinkler head (6).
2. the device that removes low-boiling point material in the polyether glycol according to claim 1 is characterized in that: described sprinkler head (6) is and the suitable circle of hold tank (1) cross-sectional shape, is provided with one group of spray orifice on circular sprinkler head (6).
3. the device that removes low-boiling point material in the polyether glycol according to claim 1 is characterized in that: be provided with filtering net (4) on circulating line (3).
4. the device that removes low-boiling point material in the polyether glycol according to claim 1 is characterized in that: be provided with circulation control valve (10) on circulating line (3); On the preceding pipeline of extractor (7), be provided with and extract control valve (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010515403 CN102002155A (en) | 2010-10-21 | 2010-10-21 | Device for removing low boiling point matters in polyether polyol |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010515403 CN102002155A (en) | 2010-10-21 | 2010-10-21 | Device for removing low boiling point matters in polyether polyol |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102002155A true CN102002155A (en) | 2011-04-06 |
Family
ID=43809879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010515403 Pending CN102002155A (en) | 2010-10-21 | 2010-10-21 | Device for removing low boiling point matters in polyether polyol |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102002155A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105080167A (en) * | 2015-08-31 | 2015-11-25 | 句容宁武新材料发展有限公司 | Combining device for removing low-boiling substance of polyether |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5248833A (en) * | 1992-09-22 | 1993-09-28 | Arco Chemical Technology, L.P. | Process for purifying polyols made with double metal cyanide catalysts |
| JPH10310663A (en) * | 1997-05-09 | 1998-11-24 | Takeda Chem Ind Ltd | Process for decomposing and recovering polyurethane resin |
| WO1999005199A1 (en) * | 1997-07-23 | 1999-02-04 | Huntsman Ici Chemicals Llc The Corporation Trust Company | Purification of propylene oxide |
| CN1884340A (en) * | 2006-05-24 | 2006-12-27 | 江苏钟山化工有限公司 | Process for ultrafiltration and purification of polyether glycol |
| CN101168534A (en) * | 2007-08-22 | 2008-04-30 | 天津大沽化工股份有限公司 | Preneutralization device used for chemical production |
| CN101333288A (en) * | 2006-06-26 | 2008-12-31 | 拜尔材料科学股份公司 | Process for stripping polymer polyols |
| CN201889091U (en) * | 2010-10-21 | 2011-07-06 | 句容宁武新材料发展有限公司 | Device for desorbing low boiling point material in polyether polyol |
-
2010
- 2010-10-21 CN CN 201010515403 patent/CN102002155A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5248833A (en) * | 1992-09-22 | 1993-09-28 | Arco Chemical Technology, L.P. | Process for purifying polyols made with double metal cyanide catalysts |
| JPH10310663A (en) * | 1997-05-09 | 1998-11-24 | Takeda Chem Ind Ltd | Process for decomposing and recovering polyurethane resin |
| WO1999005199A1 (en) * | 1997-07-23 | 1999-02-04 | Huntsman Ici Chemicals Llc The Corporation Trust Company | Purification of propylene oxide |
| CN1884340A (en) * | 2006-05-24 | 2006-12-27 | 江苏钟山化工有限公司 | Process for ultrafiltration and purification of polyether glycol |
| CN101333288A (en) * | 2006-06-26 | 2008-12-31 | 拜尔材料科学股份公司 | Process for stripping polymer polyols |
| CN101168534A (en) * | 2007-08-22 | 2008-04-30 | 天津大沽化工股份有限公司 | Preneutralization device used for chemical production |
| CN201889091U (en) * | 2010-10-21 | 2011-07-06 | 句容宁武新材料发展有限公司 | Device for desorbing low boiling point material in polyether polyol |
Non-Patent Citations (1)
| Title |
|---|
| 《精细石油化工进展》 20001031 黎松等 低不饱和度聚醚多元醇的精制研究进展 27-32 1-4 第1卷, 第10期 2 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105080167A (en) * | 2015-08-31 | 2015-11-25 | 句容宁武新材料发展有限公司 | Combining device for removing low-boiling substance of polyether |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2085572C1 (en) | Method and apparatus for extracting peat | |
| CN105031967A (en) | Medicine extracting tank | |
| CN202785726U (en) | Spray extraction type tar-removing apparatus | |
| CN105749584B (en) | A kind of method of Simulation moving bed separate substance | |
| CN103755522B (en) | A kind of ion liquid abstraction rectification separation methanol--device of methyl acetate | |
| CN102942235B (en) | Stirring extraction tower-back extraction tower combined device for processing high chemical oxygen demand (COD) waste water and technology of combined device | |
| CN102002155A (en) | Device for removing low boiling point matters in polyether polyol | |
| CN104368169B (en) | MVR evaporation and concentration, ultrasonic wave counter-flow extraction production line | |
| CN201889091U (en) | Device for desorbing low boiling point material in polyether polyol | |
| CN103131024A (en) | Method for extracting eucommia ulmoides refined glue | |
| CN206308326U (en) | A kind of preparation facilities of Rosa Damascana | |
| CN207838447U (en) | A kind of chondroitin sulfate filter device | |
| CN206676019U (en) | A kind of biology extraction filter | |
| CN203498288U (en) | Process production line for separating and extracting natural plant effective ingredients from folium isatidis | |
| CN104860403A (en) | Liquid medicine for online cleaning of air separation workshop appliances and application method thereof | |
| CN205216227U (en) | Alcohol extract collecting system | |
| CN203923489U (en) | A kind of wool humidifier | |
| CN106277429A (en) | From refined sugar from handing over the method and device extracting antioxidant waste liquid | |
| TW201219098A (en) | Apparatus for continuous feeding and extraction of microalgae and method for continous extraction of microalgae | |
| CN205056574U (en) | Purge tube of phosphoric acid by wet process device says and rinses structure | |
| CN204246876U (en) | MVR evaporation and concentration, ultrasonic wave counter-flow extraction production line | |
| CN201988191U (en) | Rapid-evaporating refining kettle | |
| CN211357817U (en) | Dynamic microwave-assisted ionic liquid extraction and separation salidroside equipment | |
| CN106345140A (en) | Extraction device for organic synthesis and production | |
| CN204543629U (en) | A kind of chlorogenic acid extractor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: JURONG NEW NINGWU CHEMICAL CO., LTD. Free format text: FORMER OWNER: JURONG NINGWU HIGH-TECH. DEVELOPMENT CO., LTD. Effective date: 20120112 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20120112 Address after: 212400 Jiangsu city in Jurong Province town of new Ningwu Co. Ltd. edge Applicant after: Jurong New Ningwu Chemical Co., Ltd. Address before: 212400 Jiangsu city in Jurong Province town of Ningwu edge Hi Tech Co Ltd Applicant before: Jurong Ningwu High-tech. Development Co., Ltd. |
|
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110406 |