CN201445816U - Super thickening device - Google Patents
Super thickening device Download PDFInfo
- Publication number
- CN201445816U CN201445816U CN2009200443907U CN200920044390U CN201445816U CN 201445816 U CN201445816 U CN 201445816U CN 2009200443907 U CN2009200443907 U CN 2009200443907U CN 200920044390 U CN200920044390 U CN 200920044390U CN 201445816 U CN201445816 U CN 201445816U
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- Prior art keywords
- heater
- flash vessel
- group
- outlet
- efferent duct
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Abstract
A super thickening device comprises a heater, a heater set and a flash evaporator set; the outlet of the heater set is connected with the inlet of the heater; the outlet of the heater is connected with the liquid inlet of the flash evaporator set; the heater set comprises a first heater, a second heater, a third heater, a fourth heater and a fifth heater which are connected in series; the outlet of the first heater is the outlet of the heater set; the inlet of the fifth heater is the inlet of the heater set; the flash evaporator set comprises a first flash evaporator, a second flash evaporator, a third flash evaporator, a fourth flash evaporator and a fifth flash evaporator; a first secondary steam output pipe is connected between the first flash evaporator and the first heater; a second secondary steam output pipe is connected between the second flash evaporator and the second heater; a third secondary steam output pipe is connected between the third flash evaporator and the third heater; a fourth secondary steam output pipe is connected between the fourth flash evaporator and the fourth heater; and a fifth secondary steam output pipe is connected between the fifth flash evaporator and the fifth heater.
Description
Technical field
The utility model relates to a kind of super enrichment device of solution enrichment, is to concentrate and the enrichment device of development at straw pulp black liquor.
Background technology
The evaporation enrichment is as one of important chemical unit operations, and its concentrated ratio more and more is subjected to the attention of business circles, because the ratio of concentrating is high more, the expense of next step processing and energy consumption are few more.The improvement that domestic Straw Pulp is produced black liquor seems the most difficult, reason is exactly that it has ash content (silicon), polysaccharide (pentose) content height, characteristics such as viscosity is big, in evaporating concentration process, heat conductive efficiency is low, and is easy to fouling, and conventional evaporimeter is difficult to move economically, show as vaporising device and can't reclaim that the alkali stove is stable to provide enough concentrated black liquids, thereby evaporation section becomes the bottleneck that alkali reclaims to alkali.
The utility model content
Technical problem: the utility model provides a kind of super enrichment device that can improve the solution concentration ratio, and this device is less scaling, simple to operate, can economical rationality move continuously, is particularly suitable for viscosity height such as careless class black liquor of pulp making, easily fouling solution concentrates.
Technical scheme: the utility model is the super enrichment device of a kind of solution, comprise heater, Heater group and flash vessel group, the import of Heater group is the solution inlet, the outlet of Heater group is connected with the import of heater by booster pump, the outlet of heater is connected with the inlet of flash vessel group, the liquid outlet of flash vessel group is the concentrated solution outlet, Heater group is by primary heater, secondary heater, the 3rd heater, the 4th heater and the 5th heater are formed, primary heater, secondary heater, the 3rd heater, the 4th heater and the 5th heater are connected in series, the outlet of primary heater is the outlet of Heater group, the import of the 5th heater is the import of Heater group, the flash vessel group is by first flash vessel, second flash vessel, the 3rd flash vessel, the 4th flash vessel and the 5th flash vessel are formed, the inlet of flash vessel group is located on first flash vessel, being connected with feed tube and feed tube on the inlet of flash vessel group extends in first flash vessel, in first flash vessel and second flash vessel, be provided with for first communicating pipe, the end of first communicating pipe is located at the bottom of first flash vessel, the other end that is used for first communicating pipe of the second flash vessel feed liquor is located in second flash vessel, in second flash vessel and the 3rd flash vessel, be provided with for second communicating pipe, the end of second communicating pipe is located at the bottom of second flash vessel, the other end that is used for second communicating pipe of the 3rd flash vessel feed liquor is located in the 3rd flash vessel, be provided with the third connecting pipe at the 3rd flash vessel and the 4th flash vessel, one end of third connecting pipe is located at the bottom of the 3rd flash vessel, the other end that is used for the third connecting pipe of the 4th flash vessel feed liquor is located in the 4th flash vessel, in the 4th flash vessel and the 5th flash vessel, be provided with for the 4th communicating pipe, the end of the 4th communicating pipe is located at the bottom of the 4th flash vessel, the other end that is used for the 4th communicating pipe of the 5th flash vessel feed liquor is located in the 5th flash vessel, between first flash vessel and primary heater, be connected with the outlet end that the link that is used for the first indirect steam efferent duct of exporting to Heater group that the flash vessel group is flashed off and the first indirect steam efferent duct and primary heater is higher than feed tube, between second flash vessel and secondary heater, be connected with the outlet end that the link that is used for the second indirect steam efferent duct of exporting to Heater group that the flash vessel group is flashed off and the second indirect steam efferent duct and secondary heater is higher than feed tube, between the 3rd flash vessel and the 3rd heater, be connected with the outlet end that the link that is used for the 3rd indirect steam efferent duct of exporting to Heater group that the flash vessel group is flashed off and the 3rd indirect steam efferent duct and the 3rd heater is higher than feed tube, between the 4th flash vessel and the 4th heater, be connected with the outlet end that the link that is used for the 4th indirect steam efferent duct of exporting to Heater group that the flash vessel group is flashed off and the 4th indirect steam efferent duct and the 4th heater is higher than feed tube, between the 5th flash vessel and the 5th heater, be connected with the outlet end that the link that is used for the 5th indirect steam efferent duct of exporting to Heater group that the flash vessel group is flashed off and the 5th indirect steam efferent duct and the 5th heater is higher than feed tube.
Compared with prior art, the utlity model has following technological merit:
(1), Heater group A of the present utility model adopts 5 heaters, can effectively utilize waste vapour like this because only having heaters 4 utilizes live steam, all the other heaters all utilize indirect steam, thereby more energy-conservation.
(2), flash vessel group B adopts 5 flash vessels, each flash vessel venthole links to each other with each heater air intake of corresponding Heater group, and is poor by controlled pressure, thus the control temperature difference, to reach the purpose that used heat makes full use of.
(3), solution is successively by in 6 heater heating processes, concentration does not change, has only temperature in continuous rising, because the rising of temperature, the viscosity of material is in continuous reduction, thereby material fluidity is also become better and better, what add that we adopt is the falling film heating device, under≤50% concentration, generally less scaling, the heat transfer efficiency height.
(4), the effect of 5 flash tanks is concentrated, utilizes the pressure difference, the principle that the boiling point of water is also different makes that moisture content constantly volatilizees away in the black liquor, improves material concentration gradually, its indirect steam that volatilizes respectively by corresponding heater as the thermal source utilization.
(5) this super enrichment device enrichment ammonium method wheat straw black liquor concentration can reach 71% through experimental test (sampling oven for drying), and enrichment pulp black liquor concentration can reach 80%.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Specific embodiments
The super enrichment device of a kind of solution, comprise heater 4, Heater group and flash vessel group, the import of Heater group is the solution inlet, the outlet of Heater group is connected with the import of heater 4 by booster pump 3, the outlet of heater 4 is connected with the inlet of flash vessel group, the liquid outlet of flash vessel group is the concentrated solution outlet, it is characterized in that Heater group is by primary heater 5, secondary heater 6, the 3rd heater 7, the 4th heater 8 and the 5th heater 9 are formed, primary heater 5, secondary heater 6, the 3rd heater 7, the 4th heater 8 and the 5th heater 9 are connected in series, the outlet of primary heater 5 is the outlet of Heater group, the import of the 5th heater 9 is the import of Heater group, the flash vessel group is by first flash vessel 10, second flash vessel 11, the 3rd flash vessel 12, the 4th flash vessel 13 and the 5th flash vessel 14 are formed, the inlet of flash vessel group is located on first flash vessel 10, being connected with feed tube 29 and feed tube 29 on the inlet of flash vessel group extends in first flash vessel 10, in first flash vessel 10 and second flash vessel 11, be provided with for first communicating pipe 30, the end of first communicating pipe 30 is located at the bottom of first flash vessel 10, the other end that is used for first communicating pipe 30 of second flash vessel, 11 feed liquors is located in second flash vessel 11, in second flash vessel 11 and the 3rd flash vessel 12, be provided with for second communicating pipe 31, the end of second communicating pipe 31 is located at the bottom of second flash vessel 11, the other end that is used for second communicating pipe 31 of the 3rd flash vessel 12 feed liquors is located in the 3rd flash vessel 12, be provided with third connecting pipe 32 at the 3rd flash vessel 12 and the 4th flash vessel 13, one end of third connecting pipe 32 is located at the bottom of the 3rd flash vessel 12, the other end that is used for the third connecting pipe 32 of the 4th flash vessel 13 feed liquors is located in the 4th flash vessel 13, in the 4th flash vessel 13 and the 5th flash vessel 14, be provided with for the 4th communicating pipe 33, the end of the 4th communicating pipe 33 is located at the bottom of the 4th flash vessel 13, the other end that is used for the 4th communicating pipe 33 of the 5th flash vessel 14 feed liquors is located in the 5th flash vessel 14, between first flash vessel 10 and primary heater 5, be connected with and be used for the outlet end that the first indirect steam efferent duct 34 of exporting to Heater group that the flash vessel group is flashed off and the first indirect steam efferent duct 34 and the link of primary heater 5 are higher than feed tube 29, between second flash vessel 11 and secondary heater 6, be connected with and be used for the outlet end that the second indirect steam efferent duct 35 of exporting to Heater group that the flash vessel group is flashed off and the second indirect steam efferent duct 35 and the link of secondary heater 6 are higher than feed tube 30, between the 3rd flash vessel 12 and the 3rd heater 7, be connected with the outlet end that the link that is used for the 3rd indirect steam efferent duct 36 of exporting to Heater group that the flash vessel group is flashed off and the 3rd indirect steam efferent duct 36 and the 3rd heater 7 is higher than feed tube 31, between the 4th flash vessel 13 and the 4th heater 8, be connected with the outlet end that the link that is used for the 4th indirect steam efferent duct 37 of exporting to Heater group that the flash vessel group is flashed off and the 4th indirect steam efferent duct 37 and the 4th heater 8 is higher than feed tube 32, between the 5th flash vessel 14 and the 5th heater 9, be connected with the outlet end that the link that is used for the 5th indirect steam efferent duct 38 of exporting to Heater group that the flash vessel group is flashed off and the 5th indirect steam efferent duct 38 and the 5th heater 9 is higher than feed tube 33.
Concentration does not change in heating process, and what heater 4 utilized is live steam or conduction oil, and temperature is 180 degrees centigrade～200 degrees centigrade, and all the other heaters all are the indirect steams that utilizes the flash vessel group to flash off; Each flash vessel venthole of flash vessel group links to each other with each heater air intake of corresponding Heater group, and promptly flash vessel 14 ventholes 15 link to each other with heater 9 air intakes 16, flash vessel 13 ventholes 17 link to each other with heater 8 air intakes 18, flash vessel 12 ventholes 19 link to each other with heater 7 air intakes 20, flash vessel 11 ventholes 21 link to each other with heater 6 air intakes 22, flash vessel 10 ventholes 23 link to each other with heater 5 air intakes 24.Be respectively equipped with on-condensible gas outlet and condensed fluid outlet on the heater.
Concentrate the viscosity height, easily during fouling liquid, at first start feed pump 1, solution enters heater 9 by Heater group A charging aperture 28, enter heater 8 then successively, heater 7, heater 6, heater 5, start booster pump 3 then, solution is by heater 4, the back flows into surge tank 2, stay for some time at surge tank 2, enter flash vessel 10 from flash vessel group B solution inlet port 26 behind the viscosity reduction, part water becomes vapour in the solution in flash vessel 10, vapour flows out by 23, enter heater 5 by 24, thermal source as heater 5, surplus solution enters flash vessel 11 under differential pressure action, part water becomes vapour in the solution in flash vessel 11, vapour flows out by 21, enter heater 6 by 22, thermal source as heater 6, surplus solution enters flash vessel 12 under differential pressure action, part water becomes vapour in the solution in flash vessel 12, vapour flows out by 19, enter heater 7 by 20, thermal source as heater 7, surplus solution enters flash vessel 13 under differential pressure action, part water becomes vapour in the solution in flash vessel 13, and vapour flows out by 17, enters heater 8 by 18, thermal source as heater 8, surplus solution enters flash vessel 14 under differential pressure action, part water becomes vapour in the solution in flash vessel 14, and vapour flows out by 15, enter heater 9 by 16, as the thermal source of heater 9, the solution through 5 grades of flash concentration in the last flash vessel 14 flows into the dope groove by 27, reaches super concentrated purpose, a having heaters 4 utilizes live steam or conduction oil as thermal source in the whole system, all the other heaters all are to utilize exhaust steam as thermal source, and energy is fully utilized like this, to reach purpose of energy saving.
Claims (1)
1. super enrichment device of solution, comprise heater (4), Heater group and flash vessel group, the import of Heater group is the solution inlet, the outlet of Heater group is connected with the import of heater (4) by booster pump (3), the outlet of heater (4) is connected with the inlet of flash vessel group, the liquid outlet of flash vessel group is the concentrated solution outlet, it is characterized in that Heater group is by primary heater (5), secondary heater (6), the 3rd heater (7), the 4th heater (8) and the 5th heater (9) are formed, primary heater (5), secondary heater (6), the 3rd heater (7), the 4th heater (8) and the 5th heater (9) are connected in series, the outlet of primary heater (5) is the outlet of Heater group, the import of the 5th heater (9) is the import of Heater group, the flash vessel group is by first flash vessel (10), second flash vessel (11), the 3rd flash vessel (12), the 4th flash vessel (13) and the 5th flash vessel (14) are formed, the inlet of flash vessel group is located on first flash vessel (10), being connected with feed tube (29) and feed tube (29) on the inlet of flash vessel group extends in first flash vessel (10), in first flash vessel (10) and second flash vessel (11), be provided with first communicating pipe (30), the end of first communicating pipe (30) is located at the bottom of first flash vessel (10), the other end that is used for first communicating pipe (30) of second flash vessel (11) feed liquor is located in second flash vessel (11), in second flash vessel (11) and the 3rd flash vessel (12), be provided with second communicating pipe (31), the end of second communicating pipe (31) is located at the bottom of second flash vessel (11), the other end that is used for second communicating pipe (31) of the 3rd flash vessel (12) feed liquor is located in the 3rd flash vessel (12), be provided with third connecting pipe (32) at the 3rd flash vessel (12) and the 4th flash vessel (13), one end of third connecting pipe (32) is located at the bottom of the 3rd flash vessel (12), the other end that is used for the third connecting pipe (32) of the 4th flash vessel (13) feed liquor is located in the 4th flash vessel (13), in the 4th flash vessel (13) and the 5th flash vessel (14), be provided with the 4th communicating pipe (33), the end of the 4th communicating pipe (33) is located at the bottom of the 4th flash vessel (13), the other end that is used for the 4th communicating pipe (33) of the 5th flash vessel (14) feed liquor is located in the 5th flash vessel (14), between first flash vessel (10) and primary heater (5), be connected with and be used for the outlet end that the first indirect steam efferent duct (34) of exporting to Heater group that the flash vessel group is flashed off and the first indirect steam efferent duct (34) and the link of primary heater (5) are higher than feed tube (29), between second flash vessel (11) and secondary heater (6), be connected with and be used for the outlet end that the second indirect steam efferent duct (35) of exporting to Heater group that the flash vessel group is flashed off and the second indirect steam efferent duct (35) and the link of secondary heater (6) are higher than feed tube (30), between the 3rd flash vessel (12) and the 3rd heater (7), be connected with and be used for the outlet end that the 3rd indirect steam efferent duct (36) of exporting to Heater group that the flash vessel group is flashed off and the 3rd indirect steam efferent duct (36) and the link of the 3rd heater (7) are higher than feed tube (31), between the 4th flash vessel (13) and the 4th heater (8), be connected with and be used for the outlet end that the 4th indirect steam efferent duct (37) of exporting to Heater group that the flash vessel group is flashed off and the 4th indirect steam efferent duct (37) and the link of the 4th heater (8) are higher than feed tube (32), between the 5th flash vessel (14) and the 5th heater (9), be connected with the outlet end that the link that is used for the 5th indirect steam efferent duct (38) of exporting to Heater group that the flash vessel group is flashed off and the 5th indirect steam efferent duct (38) and the 5th heater (9) is higher than feed tube (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200443907U CN201445816U (en) | 2009-06-05 | 2009-06-05 | Super thickening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200443907U CN201445816U (en) | 2009-06-05 | 2009-06-05 | Super thickening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201445816U true CN201445816U (en) | 2010-05-05 |
Family
ID=42550523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200443907U Expired - Fee Related CN201445816U (en) | 2009-06-05 | 2009-06-05 | Super thickening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201445816U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102021662A (en) * | 2010-11-13 | 2011-04-20 | 恒天重工股份有限公司 | Evaporation process for vinylon high-strength high-modulus fiber spinning coagulating bath |
| EP3115353A1 (en) * | 2015-07-10 | 2017-01-11 | GFBiochemicals Ltd. | Process for the isolation of levulinic acid |
-
2009
- 2009-06-05 CN CN2009200443907U patent/CN201445816U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102021662A (en) * | 2010-11-13 | 2011-04-20 | 恒天重工股份有限公司 | Evaporation process for vinylon high-strength high-modulus fiber spinning coagulating bath |
| CN102021662B (en) * | 2010-11-13 | 2011-10-26 | 恒天重工股份有限公司 | Evaporation process for vinylon high-strength high-modulus fiber spinning coagulating bath |
| EP3115353A1 (en) * | 2015-07-10 | 2017-01-11 | GFBiochemicals Ltd. | Process for the isolation of levulinic acid |
| WO2017009221A1 (en) * | 2015-07-10 | 2017-01-19 | GFBiochemicals Ltd. | Process for the isolation of levulinic acid |
| US10369492B2 (en) | 2015-07-10 | 2019-08-06 | Gfbiochemicals Ip Assets B.V. | Process for the isolation of levulinic acid |
| US10702792B2 (en) | 2015-07-10 | 2020-07-07 | Gfbiochemicals Ip Assets B.V. | Process for the isolation of levulinic acid |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100505 Termination date: 20120605 |