CN2666527Y - Energy-saving multi-effect carrier gas membrane lifting single-stroke evaporation device - Google Patents
Energy-saving multi-effect carrier gas membrane lifting single-stroke evaporation device Download PDFInfo
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- CN2666527Y CN2666527Y CN 200320105943 CN200320105943U CN2666527Y CN 2666527 Y CN2666527 Y CN 2666527Y CN 200320105943 CN200320105943 CN 200320105943 CN 200320105943 U CN200320105943 U CN 200320105943U CN 2666527 Y CN2666527 Y CN 2666527Y
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Abstract
An energy saving multi-gas-carrying film-raising single pass evaporating device belongs to the technical field of chemical evaporation, relating to the multi-gas-carrying evaporating process and equipment. The utility model comprises a plurality of single gas-carrying pass evaporating devices which are in series connection and an injecting hot pressure pump arranged in front, when the device is operated, primary steam enters a injecting hot pressure pump which absorbs part of a secondary steam evaporated from the primary steam, and the steam is pressed, which can become the heating steam after being transmitted to a primary heating chamber, the secondary steam evaporated after the primary heating process is transmitted to a secondary heating chamber to be heating steam except the part being absorbed by the heat pressure pump, the secondary steam evaporated from the secondary heating chamber becomes the heating steam for the next step, the bottom part of the evaporating devices at different levels are provided with gas-carrying distributors, the mixture of the air being absorbed or the noncondensable gas evaporated from the same level heating chamber and the steam is regarded as carrying gas, which can increase the heat transmitting and evaporating efficiency of a heating evaporating pipe, and as the utility model adopts the single gas-carrying film-raising evaporating device, the time for the liquid of materials being heated and evaporated in the evaporating device becomes short so as to reduce the thermal metamorphism of heat-sensitive materials in the evaporating process.
Description
Technical field the utility model belongs to chemical industry evaporation technique field.Relate to multiple-effect gas-carrying evaporation process and equipment.
Background technology multiple-effect falling film evaporation extensive use on producing, more give birth to add before steam enters first single-effect evaporator and put an injecting type thermocompressor in heating, enter thermocompressor with living steam with elevated pressures, aspirate the indirect steam that comes out from first single-effect evaporator, thereby increased the heating steam amount of discharging, heated the first evaporation feed liquid of imitating from thermocompressor.This latent heat of vaporization that first effect is come out had been utilized indirect steam once, and when reentering first effect as heating steam, the latent heat of vaporization obtains to utilize again, has obviously saved energy consumption.Therefore, the multiple-effect falling film vaporising device with the setting of injecting type thermocompressor is very useful saving on the energy consumption.Yet in multiple-effect falling film formula vaporising device, feed liquid enters from last effect and all needs a centrifugal pump conveying when imitate back one, this just requires the expenditure of energy, and centrifugal pump carries near the feed liquid under the boiling point condition under reduced pressure, is easy to generate cavitation erosion, causes operational inconvenience.
The energy-saving multiple-effect carrier gas membrane lifting one-pass type vaporising device that the summary of the invention the purpose of this utility model just provides a kind of cost of equipment and operating cost is lower, easy to operate, heat transfer efficiency is high.
Technical solution of the present utility model is: create a kind of energy-saving multiple-effect gas-carrying evaporation device, add with a plurality of one-pass type carrier gas membrane lifting evaporimeters and put an injecting type thermocompressor composition.This energy-saving multiple-effect gas-carrying evaporation device comprises carrier gas evaporator and carrier gas flux meter (10), fountain direct contact type condenser (7), vavuum pump (8) and the finished product jar (9) of material fluid bath (1), feed pump (2), injecting type thermocompressor (3), a plurality of series connection.Carrier gas evaporator is made up of heating clamber (11), the vapor-liquid separation chamber (12) at top and the feed zone (13) of the carrier gas distributor (14) that the bottom is provided with formed with heating tubulation (16); Heating clamber (11) is provided with the gaseous mixture outlet (18) of heating steam inlet port (17), heating steam condensate liquid outlet (19) and incoagulable gas and steam, gaseous mixture outlet (18) links to each other with carrier gas distributor (14) in the bottom feed section, feed zone (13) also is provided with charging aperture (20), and the vapor-liquid separation chamber at top (12) is provided with foam removal baffle plate (15) and indirect steam outlet (21) and dense material outlet (22).
Carrier gas evaporator is more than 2, headed by imitate carrier gas evaporator (4), second and imitate one-pass type carrier gas evaporator (5) and end effect one-pass type carrier gas evaporator (6).
Use a kind of method of gas-carrying evaporation of energy-saving multiple-effect gas-carrying evaporation device to be: feed liquid is transported to first liquor feed liquor inlet of imitating carrier gas evaporator (4) with feed pump (2) from material fluid bath (1) and enters evaporimeter, living steam with elevated pressures enters injecting type thermocompressor (3) inlet, the indirect steam that comes out from first evaporator (4) in the suction of the casing coupling larynx neck place of injecting type thermocompressor (3), the ejiction opening of the thermocompressor of self-injection formula together (3) is discharged, obtain discharge rate and be the heating steam of the indirect steam sum of the living steam that enters and suction, enter in the shell side of first evaporator (4) heating clamber, the feed liquid in the heating fumigators makes it evaporation and concentration.One carrier gas distributor is arranged at the bottom of imitating carrier gas evaporator (4) at head, from outer introducing air in certain amount as carrier gas, when being contacted with carrier gas, feed liquid vaporizes rapidly, enter into the heating evaporation tubulation of evaporimeter, in tubulation, be heated and evaporate rapidly, forming rise membranaceous flows, the vapor-liquid separation chamber of going out the evaporimeter top in the upper end of heating tubulation, behind the foam removal baffle plate, indirect steam is discharged by the indirect steam pipeline at steamer top, wherein a part enters the heating clamber of second single-effect evaporator (5), be used for heating the feed liquid in second single-effect evaporator, a part enters the larynx low-pressure steam suction mouth that contracts of injecting type thermocompressor (3), and the steam drive of making a living supercharging is extruded by thermocompressor and to heat first the effect.Feed liquid in head is imitated should be imitated evaporation and concentration, and the feed liquid discharge pipe of this evaporimeter is discharged certainly, enters into the second single-effect evaporator charging aperture, carried out further evaporation and concentration in second imitates.In second single-effect evaporator, the gaseous mixture outlet of one steam and carrier gas is set at the heating clamber middle part, the carrier gas distributor that connects base of evaporator with pipeline, the gaseous mixture of heating steam in second effect and carrier gas is introduced in second effect as carrier gas, impel the evaporation feed liquid when entering the heating tubulation of second effect, to be the vapour-liquid biphasic mixture, strengthened the rate of climb and the evaporation rate of feed liquid in heating tube.In second imitated, second indirect steam of imitating after the foam removal, entered into next again and imitates as heating steam in the vapor-liquid separation chamber of top, and the feed liquid that obtains further concentrating therein flow to next by pipeline again and imitates as the feed liquid of being done in this effect further to be evaporated.In the end one imitate the indirect steam that (6) comes out and enter into a fountain direct condenser (7), the steam condensation is discharged, condenser (7) links a vavuum pump (8), constantly extracts on-condensible gas out to keep the necessary vacuum of vapo(u)rization system.The required concentrated feed liquid that is concentrated that the end imitates out enters the product storage tank as product, and the product storage tank links to each other with vacuum, so that discharging is discharged smoothly.
The beneficial effects of the utility model are: owing to form multi-effect evaporation system, saved, saved cost of equipment and operating cost at the required middle feed liquid delivery pump of multiple-effect falling film vapo(u)rization system with one-pass type carrier gas membrane lifting evaporimeter, and easy to operate, be convenient to control.Owing in evaporation operation, introduced carrier gas, adopt the technology of gas-carrying evaporation, strengthen heat transfer efficiency, and reduced the thermal metamorphism of heat sensitive material.
Description of drawings further specifies the utility model below in conjunction with the drawings and specific embodiments.
Fig. 1 is an equipment flowsheet of the present utility model.
Wherein, 1. material fluid bath, 2. feed pump, 3. injecting type thermocompressor, 4. the first one-pass type carrier gas membrane lifting steamer of imitating 5. second is imitated one-pass type carrier gas membrane lifting steamer, and 6. one-pass type carrier gas membrane lifting steamer, 7. fountain direct contact type condenser are imitated in the end, 8. vavuum pump 9. becomes brilliant jar, 10. the carrier gas flux meter.
Fig. 2 is the one-pass type carrier gas membrane lifting evaporation structure figure in the utility model.
Wherein: 11. heating clambers, 12. vapor-liquid separation chamber, 13. the bottom feed section, 14. carrier gas distributors, 15. foam removal baffle plates, 16. heating tubulation, 17. the heating steam inlet port, the 18. mixed outlets of giving vent to anger of condensing and steam not, 19. steam condensate outlets, 20. liquor feed liquor inlet 21. indirect steam outlets, 22. concentrate material liquid outlet.
The specific embodiment has the economic benefits and social benefits one-pass type carrier gas membrane lifting evaporator system of injecting type thermocompressor at a pilot-plant of the present utility model, and the heating surface (area) (HS that I is imitated is 10m
2, the heating surface (area) (HS that II is imitated is 7.5m
2, the coefficient of bleeding of thermocompressor design is 0.5, and evaporation contains the feed liquid of glucose 27% by weight percentage, and inlet amount is 1600～1800kg/h, and operation is 5kg/cm with gauge pressure
2Living steam, behind the indirect steam that thermocompressor suction I single-effect evaporator comes out, the steam pressure of ejection is 0.7～0.8kg/cm
2(absolute pressure) enters I and imitates heating clamber as heating steam.The vacuum that imitate at the end is 600～620mmhg, the glucose concentrate concentration that obtains end effect discharging is 37～40%, load is 1250～1350kg/h, it steams the living quantity of steam of 1kg water consumption is that the living steam/kg of 0.4～0.42kg steams water, smooth operation, energy-saving effect is good, and has saved middle feed liquid delivery pump, and the color and luster of dense sugared finished product more generally evaporates the product that obtains and is significantly improved.Effect is fine.
Claims (2)
1. energy-saving multiple-effect carrier gas membrane lifting one-pass type vaporising device, it is characterized in that, formed by carrier gas evaporator, fountain direct contact type condenser (7), vavuum pump (8), finished product jar (9) and the carrier gas flux meter (10) of material fluid bath (1), feed pump (2), injecting type thermocompressor (3), series connection; Carrier gas evaporator is to be made of the vapor-liquid separation chamber (12) at heating clamber (11), top and bottom feed section (13); Heating clamber (11) is made up of heating tubulation (16), and is provided with the gaseous mixture outlet (18) of heating steam inlet port (17), heating steam condensate liquid outlet (19) and incoagulability gas and steam; The vapor-liquid separation chamber at top (12) is provided with foam removal baffle plate (15) and indirect steam outlet (21) and dense material outlet (22); Bottom feed section (13) is provided with charging aperture (20) and carrier gas distributor (14), and carrier gas distributor (14) links to each other with the gaseous mixture outlet (18) of steam with incoagulability gas on the heating clamber (11).
2. a kind of energy-saving multiple-effect carrier gas membrane lifting one-pass type vaporising device according to claim 1, it is characterized in that, the carrier gas evaporator of series connection is the carrier gas membrane lifting evaporimeter of one-pass type, headed by imitate carrier gas evaporator (4), second and imitate one-pass type carrier gas evaporator (5) and end effect one-pass type carrier gas evaporator (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320105943 CN2666527Y (en) | 2003-12-08 | 2003-12-08 | Energy-saving multi-effect carrier gas membrane lifting single-stroke evaporation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320105943 CN2666527Y (en) | 2003-12-08 | 2003-12-08 | Energy-saving multi-effect carrier gas membrane lifting single-stroke evaporation device |
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| Publication Number | Publication Date |
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| CN2666527Y true CN2666527Y (en) | 2004-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320105943 Expired - Fee Related CN2666527Y (en) | 2003-12-08 | 2003-12-08 | Energy-saving multi-effect carrier gas membrane lifting single-stroke evaporation device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102029077A (en) * | 2010-11-02 | 2011-04-27 | 禾欣可乐丽超纤皮(嘉兴)有限公司 | Technology and device for separating polyethylene from methylbenzene and recycling polyethylene and methylbenzene in preparation of superfine fibers |
| CN104225943A (en) * | 2014-09-16 | 2014-12-24 | 昆山黑格特温控设备有限公司 | Climbing film type evaporator |
| CN107754359A (en) * | 2017-10-30 | 2018-03-06 | 精河县精河盐化有限责任公司 | Refined salt manufacture evaporation heating chamber and system and its evaporation heating means |
| CN110433514A (en) * | 2018-05-03 | 2019-11-12 | 温州龙强机械科技有限公司 | Double-effect falling film evaporator |
-
2003
- 2003-12-08 CN CN 200320105943 patent/CN2666527Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102029077A (en) * | 2010-11-02 | 2011-04-27 | 禾欣可乐丽超纤皮(嘉兴)有限公司 | Technology and device for separating polyethylene from methylbenzene and recycling polyethylene and methylbenzene in preparation of superfine fibers |
| CN102029077B (en) * | 2010-11-02 | 2012-09-19 | 禾欣可乐丽超纤皮(嘉兴)有限公司 | Technology and device for separating and recycling polyethylene and methylbenzene in preparation of superfine fibers |
| CN104225943A (en) * | 2014-09-16 | 2014-12-24 | 昆山黑格特温控设备有限公司 | Climbing film type evaporator |
| CN107754359A (en) * | 2017-10-30 | 2018-03-06 | 精河县精河盐化有限责任公司 | Refined salt manufacture evaporation heating chamber and system and its evaporation heating means |
| CN110433514A (en) * | 2018-05-03 | 2019-11-12 | 温州龙强机械科技有限公司 | Double-effect falling film evaporator |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |