CN104311814A - Preparation method of polyether ester copolymers in coal water slurry additive for gasification - Google Patents
Preparation method of polyether ester copolymers in coal water slurry additive for gasification Download PDFInfo
- Publication number
- CN104311814A CN104311814A CN201410546251.XA CN201410546251A CN104311814A CN 104311814 A CN104311814 A CN 104311814A CN 201410546251 A CN201410546251 A CN 201410546251A CN 104311814 A CN104311814 A CN 104311814A
- Authority
- CN
- China
- Prior art keywords
- add
- reaction tower
- reaction
- warming
- glycol
- 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
Landscapes
- Polyethers (AREA)
Abstract
The invention discloses a preparation method of polyether ester copolymers in a coal water slurry additive for gasification, belonging to a method for preparing polyether ester copolymers in a coal water slurry additive. Raw materials include water, KOH, ethylene glycol, ethylene oxide, propylene epoxide, polyethylene glycol, polypropylene glycol, dimethyl benzene, nitrogen, de-ionized water and auxiliaries. Finally generated oil soluble polyether ester copolymer and water soluble polyether ester copolymer, as finished products, can be added to coal water slurry to remarkably improve slurry concentration and reduce viscosity so as to enhance liquidity, stability is better, etc.
Description
technical field:
The invention belongs to the polyetherester copolymer preparation method used in a kind of slurries additive agent.
background technology:
Coal water slurry belongs to important source material in coal chemical technology, belong to coarse dispersion system, be easy to coal and water separate occurs, therefore, low viscosity, high density and satisfactory stability are the most important parameter indexs of coal water slurry, improve these parameters, just must add a small amount of chemical additive when slurrying, comprising dispersion agent, stablizer, viscosity depressant, rheological agent and stopper etc., but because the ature of coal difference of each department is very large, comprise the mineralization degree of coal, the number of various group in the basic structural unit of coal, the size of relative molecular mass, interior water, ash content, volatile matter, number of fixed carbon and other side chain molecules etc., capital produces a very large impact slurry performance, thus, need according to ature of coal situation, add multiple different substances to improve the slurry performance of coal water slurry.
The ature of coal in Ningxia belongs to the coal of more difficult pulping, through lot of experiment validation, on former additive basis, adds a kind of polyetherester copolymer, significantly can improve slurry performance.
summary of the invention:
The invention provides a kind of gasification by the polyetherester copolymer preparation method in slurries additive agent, comprise the following steps:
(1) at filler reaction tower with in setting up reaction tower system that sealing and circulating forms, 1000kg water and 550kgKOH are added reaction tower reactor, is warming up to 110 ~ 130 DEG C, controlling reaction tower internal pressure is 0.35MPa, add 2500kg oxyethane under nitrogen protection, reaction generating glycol;
(2) in the device identical with step (1); the ethylene glycol generated in 1000kg step (1) and 220kgKOH are placed in vacuum hydro-extraction in reaction tower; de-complete; be warming up to 130 ~ 180 DEG C; controlling reaction tower internal pressure is 0.35MPa; first add 1500kg oxyethane under nitrogen protection, react after 30 minutes and add 1250kg oxyethane continuation reaction 1 hour again, compressor flow is 12m
3/ h, reaction generates polyoxyethylene glycol;
(3) in the device identical with step (1); the ethylene glycol generated in 1000kg step (1) and 220kgKOH are placed in vacuum hydro-extraction in reaction tower; de-complete; be warming up to 130 ~ 180 DEG C; controlling reaction tower internal pressure is 0.35MPa; add 1100kg propylene oxide reaction under nitrogen protection 40 minutes, compressor flow is 10 m
3/ h, reaction generates polypropylene glycol;
(4) in the device identical with step (1); add vacuum hydro-extraction in the polyoxyethylene glycol and 500kgKOH to reaction tower that generate in 2500kg step (2); de-complete; add 1000L dimethylbenzene; be warming up to 130 ~ 180 DEG C, controlling reaction tower internal pressure is 0.35MPa, under nitrogen protection; add 2150kg propylene oxide to react, it is 18 m that compressor flow controls
3/ h, reacts and adds auxiliary agent after 50 minutes, generates oil soluble polyetherester copolymer product;
(5) in the device identical with step (1); add vacuum hydro-extraction in the polypropylene glycol and 500kgKOH to reaction tower that generate in 2500kg step (3); de-complete; add 1000L dimethylbenzene; be warming up to 130 ~ 180 DEG C, controlling reaction tower internal pressure is 0.35MPa, under nitrogen protection; add 1850kg oxyethane to react, it is 15 m that compressor flow controls
3/ h, reacts removed under reduced pressure dimethylbenzene after 35 minutes, then adds deionized water and auxiliary agent, can obtain water-soluble poly copolyether ester polymer.
Its main component of auxiliary agent used in above-mentioned steps (4) and (5) is dicyclopentadiene.
Overall preparation process uses same apparatus, and desired raw material is easy to get, key be the oil soluble polyetherester copolymer prepared and water-soluble poly copolyether ester polymer can significantly increase coal water slurry concentration, reduce viscosity thus increase mobility, improve stability etc.
embodiment:
Polyetherester copolymer preparation method in gasification slurries additive agent, specifically comprises the following steps:
(1) at filler reaction tower with in setting up reaction tower system that sealing and circulating forms, 1000kg water and 550kgKOH are added reaction tower reactor, is warming up to 110 ~ 130 DEG C, controlling reaction tower internal pressure is 0.35MPa, add 2500kg oxyethane under nitrogen protection, reaction generating glycol;
(2) in the device identical with step (1); the ethylene glycol generated in 1000kg step (1) and 220kgKOH are placed in vacuum hydro-extraction in reaction tower; de-complete; be warming up to 130 ~ 180 DEG C; controlling reaction tower internal pressure is 0.35MPa; first add 1500kg oxyethane under nitrogen protection, react after 30 minutes and add 1250kg oxyethane continuation reaction 1 hour again, compressor flow is 12m
3/ h, reaction generates polyoxyethylene glycol;
(3) in the device identical with step (1); the ethylene glycol generated in 1000kg step (1) and 220kgKOH are placed in vacuum hydro-extraction in reaction tower; de-complete; be warming up to 130 ~ 180 DEG C; controlling reaction tower internal pressure is 0.35MPa; add 1100kg propylene oxide reaction under nitrogen protection 40 minutes, compressor flow is 10 m
3/ h, reaction generates polypropylene glycol;
(4) in the device identical with step (1); add vacuum hydro-extraction in the polyoxyethylene glycol and 500kgKOH to reaction tower that generate in 2500kg step (2); de-complete; add 1000L dimethylbenzene; be warming up to 130 ~ 180 DEG C, controlling reaction tower internal pressure is 0.35MPa, under nitrogen protection; add 2150kg propylene oxide to react, it is 18 m that compressor flow controls
3/ h, reacts and adds auxiliary agent after 50 minutes, generates oil soluble polyetherester copolymer product;
(5) in the device identical with step (1); add vacuum hydro-extraction in the polypropylene glycol and 500kgKOH to reaction tower that generate in 2500kg step (3); de-complete; add 1000L dimethylbenzene; be warming up to 130 ~ 180 DEG C, controlling reaction tower internal pressure is 0.35MPa, under nitrogen protection; add 1850kg oxyethane to react, it is 15 m that compressor flow controls
3/ h, reacts removed under reduced pressure dimethylbenzene after 35 minutes, then adds deionized water and auxiliary agent, can obtain water-soluble poly copolyether ester polymer.
The main component of selected auxiliary agent is dicyclopentadiene.
Through a large amount of industrial application checkings in Shenhua Ningxia Coal Industry Group Methanol Plant, slurry concentration brings up to 60% ~ 61% after use from 58% ~ 59% before use, mobility after using also is greatly improved than before use, uses First Year just for purchase business increases direct benefit more than 900 ten thousand yuan.
Claims (2)
1. the polyetherester copolymer preparation method in gasification slurries additive agent, it is characterized in that: raw material comprises water, KOH, ethylene glycol, oxyethane, propylene oxide, polyoxyethylene glycol, polypropylene glycol, dimethylbenzene, nitrogen, deionized water and auxiliary agent, concrete preparation process is as follows:
(1) at filler reaction tower with in setting up reaction tower system that sealing and circulating forms, 1000kg water and 550kgKOH are added reaction tower reactor, is warming up to 110 ~ 130 DEG C, controlling reaction tower internal pressure is 0.35MPa, add 2500kg oxyethane under nitrogen protection, reaction generating glycol;
(2) in the device identical with step (1); the ethylene glycol generated in 1000kg step (1) and 220kgKOH are placed in vacuum hydro-extraction in reaction tower; de-complete; be warming up to 130 ~ 180 DEG C; controlling reaction tower internal pressure is 0.35MPa; first add 1500kg oxyethane under nitrogen protection, react after 30 minutes and add 1250kg oxyethane continuation reaction 1 hour again, compressor flow is 12m
3/ h, reaction generates polyoxyethylene glycol;
(3) in the device identical with step (1); the ethylene glycol generated in 1000kg step (1) and 220kgKOH are placed in vacuum hydro-extraction in reaction tower; de-complete; be warming up to 130 ~ 180 DEG C; controlling reaction tower internal pressure is 0.35MPa; add 1100kg propylene oxide reaction under nitrogen protection 40 minutes, compressor flow is 10 m
3/ h, reaction generates polypropylene glycol;
(4) in the device identical with step (1); add vacuum hydro-extraction in the polyoxyethylene glycol and 500kgKOH to reaction tower that generate in 2500kg step (2); de-complete; add 1000L dimethylbenzene; be warming up to 130 ~ 180 DEG C, controlling reaction tower internal pressure is 0.35MPa, under nitrogen protection; add 2150kg propylene oxide to react, it is 18 m that compressor flow controls
3/ h, reacts and adds auxiliary agent after 50 minutes, generates oil soluble polyetherester copolymer product;
(5) in the device identical with step (1); add vacuum hydro-extraction in the polypropylene glycol and 500kgKOH to reaction tower that generate in 2500kg step (3); de-complete; add 1000L dimethylbenzene; be warming up to 130 ~ 180 DEG C, controlling reaction tower internal pressure is 0.35MPa, under nitrogen protection; add 1850kg oxyethane to react, it is 15 m that compressor flow controls
3/ h, reacts removed under reduced pressure dimethylbenzene after 35 minutes, then adds deionized water and auxiliary agent, can obtain water-soluble poly copolyether ester polymer.
2. the polyetherester copolymer preparation method in gasification slurries additive agent as claimed in claim 1, is characterized in that: the main component of described auxiliary agent is dicyclopentadiene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410546251.XA CN104311814A (en) | 2014-10-16 | 2014-10-16 | Preparation method of polyether ester copolymers in coal water slurry additive for gasification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410546251.XA CN104311814A (en) | 2014-10-16 | 2014-10-16 | Preparation method of polyether ester copolymers in coal water slurry additive for gasification |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104311814A true CN104311814A (en) | 2015-01-28 |
Family
ID=52367141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410546251.XA Pending CN104311814A (en) | 2014-10-16 | 2014-10-16 | Preparation method of polyether ester copolymers in coal water slurry additive for gasification |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104311814A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109593577A (en) * | 2018-12-20 | 2019-04-09 | 李嘉琪 | A kind of gasoline direct injection engine oil pump protective agent and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58122989A (en) * | 1981-12-18 | 1983-07-21 | Neos Co Ltd | Water-slurried coal |
| US4470828A (en) * | 1982-01-19 | 1984-09-11 | Kao Corporation | Aqueous coal slurry composition |
| CN1374378A (en) * | 2002-03-13 | 2002-10-16 | 茂名市金昌发展公司星海化工厂 | Non-ionic composite coal-water fluid additive |
| CN102015113A (en) * | 2008-04-29 | 2011-04-13 | 通用电气公司 | Mineral ore flotation aid |
-
2014
- 2014-10-16 CN CN201410546251.XA patent/CN104311814A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58122989A (en) * | 1981-12-18 | 1983-07-21 | Neos Co Ltd | Water-slurried coal |
| US4470828A (en) * | 1982-01-19 | 1984-09-11 | Kao Corporation | Aqueous coal slurry composition |
| CN1374378A (en) * | 2002-03-13 | 2002-10-16 | 茂名市金昌发展公司星海化工厂 | Non-ionic composite coal-water fluid additive |
| CN102015113A (en) * | 2008-04-29 | 2011-04-13 | 通用电气公司 | Mineral ore flotation aid |
Non-Patent Citations (3)
| Title |
|---|
| TH. F. TADROS ET AL.: ""Influence of Addition of a Polyelectrolyte,Nonionic Polymers,and Their Mixtures on the Rheology of Coal/Water Suspensions"", 《LANGMUIR》, vol. 11, no. 12, 31 December 1995 (1995-12-31), pages 4678 - 4684 * |
| 刘明华: "《水煤浆添加剂的制备及应用》", 31 January 2007 * |
| 王村彦: ""高浓度水煤浆基础研究及其进展"", 《煤炭工业》, vol. 20, no. 5, 25 October 1995 (1995-10-25), pages 551 - 555 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109593577A (en) * | 2018-12-20 | 2019-04-09 | 李嘉琪 | A kind of gasoline direct injection engine oil pump protective agent and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106349498B (en) | Method for harmless recycling of waste colloidal particles or rubber powder | |
| CN101503525B (en) | Method for desulphurization, disaggregation and regeneration of vulcanized rubber | |
| MX2010003133A (en) | Installation for enhanced oil recovery using water-soluble polymers, method implementing same. | |
| CN102492287B (en) | Preparation method of environment-friendly hydrophobic polyurethane grouting material | |
| RU2012138275A (en) | METHOD FOR RESTORING VOLCANIZED RUBBER AND DEVICE FOR ITS IMPLEMENTATION | |
| TW201129580A (en) | Process for producing fluorocopolymer nanocomposite | |
| CN103739837A (en) | Block polyether oilfield sewage treatment agent taking N'N-dimethyl ethanolamine as initiator and preparation method thereof | |
| CN104311814A (en) | Preparation method of polyether ester copolymers in coal water slurry additive for gasification | |
| CN104324655A (en) | Low foam polyether type surfactant and synthesis method thereof | |
| CN204275759U (en) | Protected against explosion absorption adds absorption device for recovering oil and gas | |
| CN103951844B (en) | Method for preparing polytetrafluoroethylene micropowder by carrying out swelling treatment on polytetrafluoroethylene through adopting supercritical carbon dioxide | |
| CN105983994A (en) | Cutting device and cutting method for giant engineering tire | |
| CN204073476U (en) | A kind of decompression distillation system produced for silicones | |
| CN109219648A (en) | Recycling and material recovery system | |
| CN103182232B (en) | The processing method of micro-dust in a kind of calcium carbide stove exhaust | |
| CN103421558B (en) | The preparation facilities of coal water slurry and preparation method | |
| CN105199240A (en) | Mold cleaning device for sealing gasket of drum-type washing machine and production process thereof | |
| CN103979756B (en) | Method for tempering oily sludge by using supercritical fluid through rapid swelling | |
| CN104526910A (en) | Process of producing high-performance regenerated rubber through waste tires | |
| CN203496027U (en) | Fixing device for cutting waste tires | |
| CN103709397A (en) | Production method of polyether polyol | |
| CN102732064B (en) | Method for preparing highly-dispersed insoluble sulphur by water-soluble polymer material coating | |
| CN103531440A (en) | Surface repairing method for back side of wafer | |
| CN105348509B (en) | A kind of preparation method of the water cleaning agent of water quality containing polymer high | |
| CN104262518A (en) | Mechanical-strength-adjustable polymeric self-healing material and preparation and healing method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150128 |