CN104759108A - Three-stage continuous falling-film circulating evaporation concentration system with machinery vapor recompression - Google Patents
Three-stage continuous falling-film circulating evaporation concentration system with machinery vapor recompression Download PDFInfo
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- CN104759108A CN104759108A CN201510124920.9A CN201510124920A CN104759108A CN 104759108 A CN104759108 A CN 104759108A CN 201510124920 A CN201510124920 A CN 201510124920A CN 104759108 A CN104759108 A CN 104759108A
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- 238000001704 evaporation Methods 0.000 title claims abstract description 85
- 230000008020 evaporation Effects 0.000 title claims abstract description 30
- 239000011552 falling film Substances 0.000 title claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 79
- 239000000463 material Substances 0.000 claims abstract description 21
- 230000005494 condensation Effects 0.000 claims abstract description 15
- 238000009833 condensation Methods 0.000 claims abstract description 15
- 238000010438 heat treatment Methods 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims description 69
- 239000010408 film Substances 0.000 claims description 55
- 238000000926 separation method Methods 0.000 claims description 34
- 239000012141 concentrate Substances 0.000 claims description 19
- 239000012530 fluid Substances 0.000 claims description 11
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 7
- 239000007789 gas Substances 0.000 abstract description 25
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 6
- 239000002918 waste heat Substances 0.000 abstract description 5
- 125000004122 cyclic group Chemical group 0.000 abstract description 2
- 239000011550 stock solution Substances 0.000 abstract 2
- 206010057040 Temperature intolerance Diseases 0.000 abstract 1
- 230000008543 heat sensitivity Effects 0.000 abstract 1
- 238000011084 recovery Methods 0.000 abstract 1
- 239000000243 solution Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 239000002699 waste material Substances 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000002207 thermal evaporation Methods 0.000 description 2
- 238000012876 topography Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000008542 thermal sensitivity Effects 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The invention provides a three-stage continuous falling-film circulating evaporation concentration system with machinery vapor recompression, which comprises a stock solution pot, the stock solution pot is successively connected to a charge pump, a condensed water preheater and a live steam preheater, and then is connected to a one-piece falling-film circulating evaporation separator, a first-stage circulating pipeline and a second-stage circulating pipeline are formed, and the three-stage continuous falling-film circulating evaporation concentration system with machinery vapor recompression comprises a second-stage steam circulating pipe, a second-stage condensed water circulating pipe and a second-stage non-condensable gas circulating pipeline, and effect of energy recuperation and steam cycle usage can be realized. The three-stage continuous falling-film circulating evaporation concentration system with machinery vapor recompression can satisfy continuous feeding and discharge condensation production requirement, an application of a depth concentrator greatly reduce the stay and cycle time of the material, heat sensitivity component in the solution can be fully protected, condensed water is employed for preheating waste heat from recovery of condensed water, a compressor is employed for collecting secondary steam, material to be evaporated can be performed with cyclic heating by the secondary steam, so that energy can be greatly saved.
Description
Technical field
The present invention relates to a kind of continuous concentration system, be specially a kind of energy-conservation continuous concentration device, the continuous falling liquid film circulating and evaporating concentration systems namely with function of mechanical steam recompression.
Background technology
Concentrated is an important step during Chinese medicine is produced.And traditional concentrator first material is loaded evaporimeter, then after making equipment run a period of time, when solution circulation is concentrated to finite concentration, then discharging pump discharge concentrate is opened, Deng concentrate emptying after again open inlet valve load stoste, repeat said process.This just makes production gap carry out cannot continuous seepage, has occurred the drawback that evaporation efficiency is low, production capacity is little, artificial intensity is large, cannot meet the demand of modern production.In addition, traditional evaporation concentration equipment needs the circulating and evaporating long period in equipment usually, is heated oversize, greatly destroys the heat-sensitive ingredients of feed liquid.And, the indirect steam that evaporimeter normally produces by traditional concentrator and condensed water are directly discharged or are discharged after condensing plant condensation, so not only waste the latent heat of indirect steam and the waste heat of condensed water, waste the energy, also increase condensing plant condensation indirect steam and condensed water, waste the energy, not only add investment but also not environmentally and economical.For this reason, the material that realizes that can be gentle continuously concentrates, again can the inspissator of Low Temperature Difference evaporation most important for improving the quality of products.
As the Chinese patent economic benefits and social benefits falling liquid film MVP vapo(u)rization system that publication number is CN104307195A, it adopts the mode of economic benefits and social benefits falling film evaporation, adopt twice concentrate discharge, use twice steam and condensed water, add the quantity of equipment greatly, waste the waste heat of indirect steam and condensed water simultaneously, cause energy waste, quantity-produced demand can not be realized simultaneously.
Summary of the invention
The object of the invention is: a kind of continuous feed, discharging can economize energy and the continuous concentration device of rapid evaporation are at a lower temperature provided.
The invention provides a kind of three grades of continuous falling liquid film circulating and evaporating concentration systems with function of mechanical steam recompression, it comprises original fluid container, original fluid container connects feed pump successively, condensed water preheater, be connected with integral type falling liquid film circulating and evaporating separator after raw vapor preheater, described integral type falling liquid film circulating and evaporating separator comprises stage falling-film heater and primary separator, described stage falling-film heater is divided into evaporation tube I and evaporation tube II, the bottom part of described primary separator becomes separation chamber I and separation chamber II, described separation chamber I is communicated with upper end, separation chamber II, the bottom of described separation chamber I is communicated with the one-level charging aperture of integral type falling liquid film circulating and evaporating separator by primary cycle pump, form primary cycle pipeline, the bottom of described separation chamber II is communicated with the secondary charging aperture of integral type falling liquid film circulating and evaporating separator by secondary cycle pump, form secondary cycle pipeline,
Described secondary cycle pipeline is connected with the degree of depth concentrator feed mouth of degree of depth inspissator, described degree of depth inspissator comprises three grades of falling film heating devices and three grades of separators, the bottom of described three grades of separators is communicated with degree of depth concentrator feed mouth by three grades of circulating pumps, form three grades of circulating lines, described three grades of circulating lines are provided with concentrate discharge nozzle;
System is provided with compressor, second steam circulating line is provided with between itself and integral type falling liquid film circulating and evaporating separator and degree of depth inspissator, second steam circulating line is as follows: be provided with one-level secondary between the top of described primary separator and degree of depth inspissator and go out jet chimney, the top of described three grades of separators is provided with secondary secondary and goes out jet chimney, secondary secondary goes out jet chimney end and is connected with compressor, be provided with one-level secondary between the one-level shell side of described compressor and integral type falling liquid film circulating and evaporating separator and enter jet chimney, be provided with secondary secondary between the secondary shell side of described compressor and degree of depth inspissator and enter jet chimney,
System is also provided with condensate water pot, itself and be provided with B-grade condensation water circulating pipe between integral type falling liquid film circulating and evaporating separator and degree of depth inspissator, B-grade condensation water circulating pipe is as follows: be provided with one-level condensed water discharge pipe road between described condensate water pot and integral type falling liquid film circulating and evaporating separator, B-grade condensation water discharge pipe road is provided with between described condensate water pot and degree of depth inspissator, the bottom of described condensate water pot is connected with condensed water preheater by condensate pump, and described condensed water preheater is connected with condensed water discharge pipe road;
System is also provided with fixed gas cooler, knockout drum and vavuum pump, and be provided with secondary fixed gas circulating line between integral type falling liquid film circulating and evaporating separator and degree of depth inspissator, secondary fixed gas circulating line is as follows: described fixed gas cooler one end is connected with knockout drum, the lower end of described knockout drum is connected with condensate water pot by secondary fixed gas equalizing main, described knockout drum upper end is connected with vavuum pump, be provided with one-level between the other end of described fixed gas cooler and integral type falling liquid film circulating and evaporating separator to find time pipeline, secondary evacuation tube is provided with between the other end of described fixed gas cooler and degree of depth inspissator, one-level fixed gas equalizing main is provided with between condensate water pot and integral type falling liquid film circulating and evaporating separator, secondary fixed gas equalizing main is provided with between condensate water pot and degree of depth inspissator.
The longitudinal central axis line of described primary separator is provided with baffle plate, and primary separator is divided into separation chamber I and separation chamber II by described baffle plate.
The vacuum degree control of described separation chamber I, separation chamber II and three grades of separators is 20-85kpa.
The top of described evaporation tube I and evaporation tube II is respectively equipped with independently liquid distributor.
Concentrate discharge nozzle is provided with discharging flow meter.
Described condensed water preheater and raw vapor preheater are plate type heat exchanger, tubular heat exchanger or spiral tube exchanger.
Be provided with between described secondary cycle pipeline and primary cycle pipeline and turn material control valve.
Described compressor is high-speed centrifugal compressor, Roots Compressor, low-speed centrifugal vapour compression machine or screw vapour compression machine.
The compression temperature rise of described compressor is 6-23 DEG C.
The outlet conduit place of described three grades of circulating pumps is provided with densitometer, and described density counts tuning-fork type or pressure type.
The beneficial effect of the invention is: the present invention can meet the concentrated production requirement of continuous feed and discharge; stop and the circulation timei of material are shortened in the application of degree of depth inspissator greatly; the composition of the thermal sensitivity in solution of adequately protecting; adopt the waste heat of the pre-recuperation of heat condensed water of condensed water; compressor is adopted to collect indirect steam; indirect steam circulating-heating is made to be evaporated material, economize energy greatly.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the enlarged diagram at A place in Fig. 1.
Fig. 3 is the enlarged diagram at B place in Fig. 1.
Fig. 4 is the enlarged diagram at C place in Fig. 1.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the present invention is further illustrated:
As Fig. 1, Fig. 2, shown in Fig. 3 and Fig. 4, the invention provides a kind of three grades of continuous falling liquid film circulating and evaporating concentration systems with function of mechanical steam recompression, it comprises original fluid container 30, original fluid container 30 connects feed pump 31 successively, condensed water preheater 27, be connected with integral type falling liquid film circulating and evaporating separator 2 after raw vapor preheater 34, described integral type falling liquid film circulating and evaporating separator 2 comprises stage falling-film heater 4 and primary separator 5, described stage falling-film heater 4 is divided into evaporation tube I and evaporation tube II, the bottom part of described primary separator 5 becomes separation chamber I 6 and separation chamber II 7, described separation chamber I 6 is communicated with upper end, separation chamber II 7, the bottom of described separation chamber I 6 is communicated with by the one-level charging aperture 61 of primary cycle pump 13 with integral type falling liquid film circulating and evaporating separator 2, form primary cycle pipeline, the bottom of described separation chamber II 7 is communicated with by the secondary charging aperture 62 of secondary cycle pump 16 with integral type falling liquid film circulating and evaporating separator 2, form secondary cycle pipeline,
Start evaporation in first evaporator and evaporation tube I, the material through primary concentration is overflowed to bottom secondary evaporimeter by the dividing plate bottom separation chamber I, then is evaporated further by secondary evaporimeter and evaporation tube II.After double flash evaporation, the concentration of material can improve 7-8 doubly.
Described secondary cycle pipeline is connected with the degree of depth concentrator feed mouth 63 of degree of depth inspissator 3, described degree of depth inspissator 3 comprises three grades of falling film heating devices 9 and three grades of separators 10, the bottom of described three grades of separators 10 is communicated with degree of depth concentrator feed mouth 63 by three grades of circulating pumps 20, form three grades of circulating lines, the discharging opening that described three grades of circulating lines are provided with concentrate discharge nozzle 22, three grades of circulating pumps 20 is connected with the final storage tank of concentrate by concentrate discharge nozzle 22.
Material after secondary concentration is again by starting to three grades of falling film heating devices 9 turns material to the valve on degree of depth concentrator feed pipe 18, in degree of depth inspissator, the concentration of material can reach setting value, again by after densitometer 58 detection assay, discharged by concentrate discharge nozzle 22 continuous print.
System is provided with compressor 1, second steam circulating line is provided with between itself and integral type falling liquid film circulating and evaporating separator 2 and degree of depth inspissator 3, second steam circulating line is as follows: be provided with one-level secondary between the top of described primary separator 5 and degree of depth inspissator and go out jet chimney 52, the top of described three grades of separators 10 is provided with secondary secondary and goes out jet chimney 53, secondary secondary goes out jet chimney 53 end and is connected with compressor 1, be provided with one-level secondary between the one-level shell side 8 of described compressor 1 and integral type falling liquid film circulating and evaporating separator 2 and enter jet chimney 54, be provided with secondary secondary between described compressor 1 and the secondary shell side 11 of degree of depth inspissator and enter jet chimney 55,
Indirect steam cyclic process of the present invention is achieved in that described indirect steam is the top of the top of the primary separator 5 coming from integrated evaporator and three grades of separators 10 of degree of depth inspissator, this two parts indirect steam (temperature is at 50-90 DEG C) pools together and enters into compressor 1, compress rear temperature and pressure by compressor 1 to be raised, temperature can promote 6-22 DEG C, can carry out selecting the different temperature difference according to different materials, then 58-112 DEG C can be reached by the indirect steam temperature compressed, then this part steam is utilized again and goes the shell side of integral type falling liquid film circulating and evaporating separator 2 and degree of depth falling film condenser 3 to continue to heat the material be concentrated respectively.Steam condensate (SC) is pooled to condensate water pot 25, then is got by condensate pump 26.
System is also provided with condensate water pot 25, itself and be provided with B-grade condensation water circulating pipe between integral type falling liquid film circulating and evaporating separator 2 and degree of depth inspissator 3, B-grade condensation water circulating pipe is as follows: be provided with one-level condensed water discharge pipe road 49 between described condensate water pot and integral type falling liquid film circulating and evaporating separator 2, B-grade condensation water discharge pipe road 51 is provided with between described condensate water pot and degree of depth inspissator 3, the bottom of described condensate water pot 25 is connected with condensed water preheater by condensate pump 26, and described condensed water preheater is connected with condensed water discharge pipe road 28;
Evaporative condenser coolant-temperature gage after using is higher, and the hot water got by condensate pump 26 is entered into condensed water preheater 27 and goes to heat the material be concentrated, and has reclaimed the partial heat energy of system.In the process maintaining system vacuum, the some vapor that vavuum pump is taken out of also may be used for heated material, reclaims heat energy wherein.
System is also provided with fixed gas cooler 38, knockout drum 39 and vavuum pump 42, and be provided with secondary fixed gas circulating line between integral type falling liquid film circulating and evaporating separator 2 and degree of depth inspissator 3, secondary fixed gas circulating line is as follows: described fixed gas cooler 38 one end is connected with knockout drum 39, the lower end of described knockout drum 39 is connected with condensate water pot 25 by secondary fixed gas equalizing main 47, described knockout drum 39 upper end is connected with vavuum pump 42, be provided with one-level between the other end of described fixed gas cooler 38 and integral type falling liquid film circulating and evaporating separator 2 to find time pipeline 36, secondary evacuation tube 37 is provided with between the other end of described fixed gas cooler 38 and degree of depth inspissator 3, one-level fixed gas equalizing main 46 is provided with between condensate water pot 25 and integral type falling liquid film circulating and evaporating separator 2, secondary fixed gas equalizing main 47 is provided with between condensate water pot 25 and degree of depth inspissator 3.
In order to effectively improve thickening efficiency, the longitudinal central axis line of described primary separator 5 is provided with baffle plate 64, and primary separator 5 is divided into separation chamber I 6 and separation chamber II 7 by described baffle plate 64.
The top of described evaporation tube I and evaporation tube II is respectively equipped with independently liquid distributor.
Concentrate discharge nozzle 22 is provided with discharging flow meter 23.
Described condensed water preheater 27 and raw vapor preheater 34 are plate type heat exchanger, tubular heat exchanger or spiral tube exchanger.
Be provided with between described secondary cycle pipeline and primary cycle pipeline and turn material control valve 24.
Described compressor is high-speed centrifugal compressor, Roots Compressor, low-speed centrifugal vapour compression machine or screw vapour compression machine.
The compression temperature rise of described compressor is 6-23 DEG C.
The outlet conduit place of described three grades of circulating pumps 20 is provided with densitometer, and described density counts tuning-fork type or pressure type.
Stoste after original fluid container 30 cushions uses feed pump 31 to feed in integral type falling liquid film circulating and evaporating separator 2 after pan feeding flowmeter 33 measures.Feed liquid is in pumping procedure, first through condensed water preheater 27 heat exchange, after heat exchange, temperature is close to the evaporating temperature (50-90 DEG C) of setting, discharge system through condensed water discharge pipe road 28 after making the condensed water with higher temperature lower the temperature simultaneously, then feed liquid enters preheating further in raw vapor preheater 34, the feed liquid being preheating to boiling point evenly flow in evaporation tube continually by the liquid distributor of feed pipe 35 by stage falling-film heater 4 upper end, flow down along evaporation tube inwall in membranaceous, carry out heat exchange with the heating steam in pipe outer wall one-level shell side 8 thus be subject to thermal evaporation.Due to the effect of vacuum, indirect steam lower portion rapid flow, accelerates the speed that liquid film declines.Gas-liquid enters the primary separator 5 bottom integral type falling liquid film circulating and evaporating separator 2, then enters primary cycle pipeline and circulates concentrated under the effect of primary cycle pump 13.Due to difference in specific gravity, gas-liquid in centrifugal action next stage separator 5 is thoroughly separated, isolated indirect steam goes out jet chimney 52 through one-level secondary and delivers to compressor 1, delivers to the solution in shell side releasing Topography evaporation tube after compressor 1 compression intensification, boosting.Concentrate is under the effect of secondary cycle pump 16 in a part of penetration depth inspissator 3 of degree of depth concentrator feed pipe 18, and another part continues to participate in circulation in integral type falling liquid film circulating and evaporating separator 2.The feed liquid of penetration depth inspissator 3 carries out circulation by thermal evaporation through three grades of circulation pipes, I 19, three grades of circulation pipes II 21, gas-liquid separation in three grades of separators 10 in three grades of falling film heating devices 9 under the effect of three grades of circulating pumps 20.Isolated indirect steam goes out jet chimney 53 through secondary secondary, one-level secondary goes out jet chimney 52 and enters compressor 1, compresses after intensification, boosting deliver to shell side releasing Topography feed liquid through compressor 1.Feed concentration in the densitometer 58 on-line monitoring degree of depth inspissator 3 of three grades of circulation pipes II 21.A concentrate part is expelled to the final storage tank of concentrate through concentrate discharge nozzle 22 under the effect of three grades of circulating pumps 20, and another part continues to participate in circulation.Concentrate discharge nozzle 22 is provided with discharging flow meter 23 can on-line monitoring concentrate discharge rate.
One-level condensed water discharge pipe road 49 bottom the condensed water heater via that condensation is got off and B-grade condensation water discharge pipe road 51 are discharged in condensate water pot 25.Condensed water in condensate water pot 25 enters in condensed water preheater 27 and preheats stoste under condensate pump 26 acts on.In order to maintain intrasystem pressure balance, one-level shell side 8, secondary shell side 11 are respectively equipped with the one-level fixed gas equalizing main 46 and secondary fixed gas equalizing main 47 that are connected with condensate water pot 25.In order to make feed liquid evaporate at low temperatures, the vacuum of system maintains and the discharge of fixed gas is completed by the vavuum pump 42 of finding time on pipeline 43, the pipeline 43 of finding time before vavuum pump 42 is provided with ball valve 40 and fixed gas control valve 41 and is used for the vacuum of control system.Regulated the vacuum of separation chamber I 6, separation chamber II 7 and three grades of separators 10 by fixed gas control valve, make vacuum degree control at 20-85kpa.
Original fluid container 30 is respectively equipped with cleaning fluid inlet pipe and stoste inlet pipe, described cleaning fluid inlet pipe is provided with manual ball valve 29, for opened manually cleaning fluid inlet pipe, so that the cleaning operation after using, then the bottom of separation chamber I 6 and separation chamber II 7 is its circulating line is respectively equipped with slag-drip opening I 44 and slag-drip opening II 45, deposits slag for what discharge integral type falling liquid film circulating and evaporating separator.
One-level condensed water discharge pipe road 49 and B-grade condensation water discharge pipe road 51 being respectively equipped with the first visor 48 and the second visor 50, whether the condensed water in pipeline being discharged for observing.
Equipment provided by the present invention can meet the concentrated production requirement of continuous feed and discharge, the basis of integral type falling liquid film circulating and evaporating separator 2 adds degree of depth inspissator 63, more highly enriched requirement can be reached within a short period of time, shorten heating material concentration time, can compared with the heat-sensitive substance in the retained product of limits.Material is concentrated to and finally becomes more and more sticky, and the application of degree of depth inspissator decreases the difficulty of operating maintenance maintenance, easy to clean.Adopt water circulation vavuum pump extract incoagulable gas out and maintain intrasystem vacuum, ensure solution explosive evaporation under negative pressure, temperature is low, and composition is survivable.Condensed water preheater is adopted to carry out preheating to material, reclaim the waste heat of condensed water, compressor is adopted to collect indirect steam, reuse the latent heat of indirect steam, saved the energy, eliminated condensing plant, decrease the consumption of cooling water, reduce the cost of enterprise, add enterprise income, can also environmental pollution be reduced simultaneously.The application of Computer Control Technology achieves the in good time detection and control to critical process parameters in important production process, achieve serialization and the automation of Chinese medicine production, improve production efficiency, reduce production cost, to the important in inhibiting that improves the quality of products.
Embodiment should not be considered as limitation of the present invention, but any improvement done based on spirit of the present invention, all should within protection scope of the present invention.
Claims (10)
1. three grades of continuous falling liquid film circulating and evaporating concentration systems with function of mechanical steam recompression, it is characterized in that: it comprises original fluid container (30), original fluid container (30) connects feed pump (31) successively, condensed water preheater (27), raw vapor preheater (34) is connected with integral type falling liquid film circulating and evaporating separator (2) afterwards, described integral type falling liquid film circulating and evaporating separator (2) comprises stage falling-film heater (4) and primary separator (5), described stage falling-film heater (4) is divided into evaporation tube I and evaporation tube II, the bottom part of described primary separator (5) becomes separation chamber I (6) and separation chamber II (7), described separation chamber I (6) is communicated with upper end, separation chamber II (7), the bottom of described separation chamber I (6) is communicated with the one-level charging aperture (61) of integral type falling liquid film circulating and evaporating separator (2) by primary cycle pump (13), form primary cycle pipeline, the bottom of described separation chamber II (7) is communicated with the secondary charging aperture (62) of integral type falling liquid film circulating and evaporating separator (2) by secondary cycle pump (16), form secondary cycle pipeline,
Described secondary cycle pipeline is connected with the degree of depth concentrator feed mouth (63) of degree of depth inspissator (3), described degree of depth inspissator (3) comprises three grades of falling film heating devices (9) and three grades of separators (10), the bottom of described three grades of separators (10) is communicated with degree of depth concentrator feed mouth (63) by three grades of circulating pumps (20), form three grades of circulating lines, described three grades of circulating lines are provided with concentrate discharge nozzle (22);
System is provided with compressor (1), second steam circulating line is provided with between itself and integral type falling liquid film circulating and evaporating separator (2) and degree of depth inspissator (3), second steam circulating line is as follows: be provided with one-level secondary between the top of described primary separator (5) and degree of depth inspissator and go out jet chimney (52), the top of described three grades of separators (10) is provided with secondary secondary and goes out jet chimney (53), secondary secondary goes out jet chimney (53) end and is connected with compressor (1), be provided with one-level secondary between the one-level shell side of described compressor (1) and integral type falling liquid film circulating and evaporating separator (2) and enter jet chimney (54), be provided with secondary secondary between described compressor (1) and the secondary shell side of degree of depth inspissator and enter jet chimney (55),
System is also provided with condensate water pot (25), itself and be provided with B-grade condensation water circulating pipe between integral type falling liquid film circulating and evaporating separator (2) and degree of depth inspissator (3), B-grade condensation water circulating pipe is as follows: be provided with one-level condensed water discharge pipe road (49) between described condensate water pot and integral type falling liquid film circulating and evaporating separator (2), B-grade condensation water discharge pipe road (51) is provided with between described condensate water pot and degree of depth inspissator (3), the bottom of described condensate water pot (25) is connected with condensed water preheater by condensate pump (26), described condensed water preheater is connected with condensed water discharge pipe road (28),
System is also provided with fixed gas cooler (38), knockout drum (39) and vavuum pump (42), and be provided with secondary fixed gas circulating line between integral type falling liquid film circulating and evaporating separator (2) and degree of depth inspissator (3), secondary fixed gas circulating line is as follows: described fixed gas cooler (38) one end is connected with knockout drum (39), the lower end of described knockout drum (39) is connected with condensate water pot (25) by secondary fixed gas equalizing main (47), described knockout drum (39) upper end is connected with vavuum pump (42), be provided with one-level between the other end of described fixed gas cooler (38) and integral type falling liquid film circulating and evaporating separator (2) to find time pipeline (36), secondary evacuation tube (37) is provided with between the other end of described fixed gas cooler (38) and degree of depth inspissator (3), one-level fixed gas equalizing main (46) is provided with between condensate water pot (25) and integral type falling liquid film circulating and evaporating separator (2), secondary fixed gas equalizing main (47) is provided with between condensate water pot (25) and degree of depth inspissator (3).
2. three grades of band function of mechanical steam recompression according to claim 1 continuous falling liquid film circulating and evaporating concentration systems, it is characterized in that, the longitudinal central axis line of described primary separator (5) is provided with baffle plate (64), and primary separator (5) is divided into separation chamber I (6) and separation chamber II (7) by described baffle plate (64).
3. three grades of band function of mechanical steam recompression according to claim 1 and 2 continuous falling liquid film circulating and evaporating concentration systems, is characterized in that, the vacuum degree control of described separation chamber I (6), separation chamber II (7) and three grades of separators (10) is 20-85kpa.
4. three grades of band function of mechanical steam recompression according to claim 1 continuous falling liquid film circulating and evaporating concentration systems, it is characterized in that, the top of described evaporation tube I and evaporation tube II is respectively equipped with independently liquid distributor.
5. three grades of band function of mechanical steam recompression according to claim 1 continuous falling liquid film circulating and evaporating concentration systems, it is characterized in that, concentrate discharge nozzle (22) is provided with discharging flow meter (23).
6. three grades of band function of mechanical steam recompression according to claim 1 continuous falling liquid film circulating and evaporating concentration systems, it is characterized in that, described condensed water preheater (27) and raw vapor preheater (34) they are plate type heat exchanger, tubular heat exchanger or spiral tube exchanger.
7. three grades of band function of mechanical steam recompression according to claim 1 continuous falling liquid film circulating and evaporating concentration systems, is characterized in that, be provided with and turn material control valve (24) between described secondary cycle pipeline and primary cycle pipeline.
8. three grades of band function of mechanical steam recompression according to claim 1 continuous falling liquid film circulating and evaporating concentration systems, it is characterized in that, described compressor is high-speed centrifugal compressor, Roots Compressor, low-speed centrifugal vapour compression machine or screw vapour compression machine.
9. three grades of band function of mechanical steam recompression according to claim 8 continuous falling liquid film circulating and evaporating concentration systems, is characterized in that, the compression temperature rise of described compressor is 6-23 DEG C.
10. three grades of band function of mechanical steam recompression according to claim 1 continuous falling liquid film circulating and evaporating concentration systems, is characterized in that, the outlet conduit place of described three grades of circulating pumps (20) is provided with densitometer, and described density counts tuning-fork type or pressure type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510124920.9A CN104759108B (en) | 2015-03-23 | 2015-03-23 | Three grades of continuous falling liquid film circulating and evaporating concentration systems with function of mechanical steam recompression |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510124920.9A CN104759108B (en) | 2015-03-23 | 2015-03-23 | Three grades of continuous falling liquid film circulating and evaporating concentration systems with function of mechanical steam recompression |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104759108A true CN104759108A (en) | 2015-07-08 |
| CN104759108B CN104759108B (en) | 2016-05-04 |
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| CN201510124920.9A Active CN104759108B (en) | 2015-03-23 | 2015-03-23 | Three grades of continuous falling liquid film circulating and evaporating concentration systems with function of mechanical steam recompression |
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| CN105251226A (en) * | 2015-10-29 | 2016-01-20 | 深圳市瑞升华科技股份有限公司 | Anti-scaling concentration treatment process of traditional Chinese medicine water extraction solution |
| CN105903216A (en) * | 2016-05-23 | 2016-08-31 | 江苏瑞升华能源科技有限公司 | Traditional Chinese medicine concentration device and traditional Chinese medicine concentration process |
| CN106540471A (en) * | 2016-10-28 | 2017-03-29 | 广西大学 | A kind of employing triple effect evaporation technique concentrates the method and device of biogas slurry |
| CN106582050A (en) * | 2016-11-03 | 2017-04-26 | 江苏海雷德蒙新能源有限公司 | Falling film evaporator liquid supply control system |
| CN107158734A (en) * | 2017-06-21 | 2017-09-15 | 河北乐恒化工设备制造有限公司 | The device and its energy-efficient concentrating method of N ethyl piperazidines of energy-efficient concentrate |
| CN107308667A (en) * | 2017-07-28 | 2017-11-03 | 佛山德众制药机械有限公司 | A kind of isothermal economic benefits and social benefits concentration unit and its method for concentration |
| CN107875662A (en) * | 2017-12-15 | 2018-04-06 | 河北乐恒化工设备制造有限公司 | A kind of multi-stage falling film evaporation device |
| CN110407275A (en) * | 2019-08-30 | 2019-11-05 | 厦门佳誉华电镀设备有限公司 | A kind of evaporation concentration equipment |
| CN110772816A (en) * | 2019-12-10 | 2020-02-11 | 德阳市中嘉实业股份有限公司 | Material evaporator with liquid level balancing function |
| CN111228839A (en) * | 2020-04-07 | 2020-06-05 | 苏州汉浩分离技术有限公司 | A mobile energy-saving distillation system |
| CN111362340A (en) * | 2020-04-28 | 2020-07-03 | 华电水务工程有限公司 | MVR multi-effect evaporation condensed water recycling system |
| CN113797567A (en) * | 2021-10-21 | 2021-12-17 | 楚天科技股份有限公司 | Continuous evaporation concentrator |
| CN113926214A (en) * | 2021-10-28 | 2022-01-14 | 浙江省天正设计工程有限公司 | A high-efficiency energy-saving continuous concentration and separation device and process |
| CN114307206A (en) * | 2022-01-26 | 2022-04-12 | 河北乐恒节能设备有限公司 | Evaporation concentration device and method |
| CN114804476A (en) * | 2022-03-28 | 2022-07-29 | 武汉天源环保股份有限公司 | Landfill leachate treatment system and treatment method |
| CN115611342A (en) * | 2022-09-30 | 2023-01-17 | 安徽丹泰仕机电设备有限公司 | Chemical evaporator with secondary evaporation function |
| CN116726812A (en) * | 2023-05-26 | 2023-09-12 | 常州工学院 | Continuous production equipment and production process for 4-aminodiphenylamine precursor |
| CN116062775B (en) * | 2023-02-17 | 2024-06-04 | 中国天辰工程有限公司 | Ammonium sulfate evaporation crystallization process and system |
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| CN105251226A (en) * | 2015-10-29 | 2016-01-20 | 深圳市瑞升华科技股份有限公司 | Anti-scaling concentration treatment process of traditional Chinese medicine water extraction solution |
| CN105903216A (en) * | 2016-05-23 | 2016-08-31 | 江苏瑞升华能源科技有限公司 | Traditional Chinese medicine concentration device and traditional Chinese medicine concentration process |
| CN106540471A (en) * | 2016-10-28 | 2017-03-29 | 广西大学 | A kind of employing triple effect evaporation technique concentrates the method and device of biogas slurry |
| CN106540471B (en) * | 2016-10-28 | 2019-02-19 | 广西大学 | A method and device for concentrating biogas slurry by three-effect evaporation process |
| CN106582050A (en) * | 2016-11-03 | 2017-04-26 | 江苏海雷德蒙新能源有限公司 | Falling film evaporator liquid supply control system |
| CN107158734A (en) * | 2017-06-21 | 2017-09-15 | 河北乐恒化工设备制造有限公司 | The device and its energy-efficient concentrating method of N ethyl piperazidines of energy-efficient concentrate |
| CN107308667B (en) * | 2017-07-28 | 2022-08-05 | 佛山德众制药机械有限公司 | A kind of isothermal double-effect concentrating unit and concentrating method thereof |
| CN107308667A (en) * | 2017-07-28 | 2017-11-03 | 佛山德众制药机械有限公司 | A kind of isothermal economic benefits and social benefits concentration unit and its method for concentration |
| CN107875662A (en) * | 2017-12-15 | 2018-04-06 | 河北乐恒化工设备制造有限公司 | A kind of multi-stage falling film evaporation device |
| CN110407275A (en) * | 2019-08-30 | 2019-11-05 | 厦门佳誉华电镀设备有限公司 | A kind of evaporation concentration equipment |
| CN110772816A (en) * | 2019-12-10 | 2020-02-11 | 德阳市中嘉实业股份有限公司 | Material evaporator with liquid level balancing function |
| CN111228839A (en) * | 2020-04-07 | 2020-06-05 | 苏州汉浩分离技术有限公司 | A mobile energy-saving distillation system |
| CN111362340A (en) * | 2020-04-28 | 2020-07-03 | 华电水务工程有限公司 | MVR multi-effect evaporation condensed water recycling system |
| CN113797567A (en) * | 2021-10-21 | 2021-12-17 | 楚天科技股份有限公司 | Continuous evaporation concentrator |
| CN113926214A (en) * | 2021-10-28 | 2022-01-14 | 浙江省天正设计工程有限公司 | A high-efficiency energy-saving continuous concentration and separation device and process |
| CN114307206A (en) * | 2022-01-26 | 2022-04-12 | 河北乐恒节能设备有限公司 | Evaporation concentration device and method |
| CN114804476A (en) * | 2022-03-28 | 2022-07-29 | 武汉天源环保股份有限公司 | Landfill leachate treatment system and treatment method |
| CN114804476B (en) * | 2022-03-28 | 2023-02-10 | 武汉天源环保股份有限公司 | Landfill leachate treatment system and treatment method |
| CN115611342A (en) * | 2022-09-30 | 2023-01-17 | 安徽丹泰仕机电设备有限公司 | Chemical evaporator with secondary evaporation function |
| CN116062775B (en) * | 2023-02-17 | 2024-06-04 | 中国天辰工程有限公司 | Ammonium sulfate evaporation crystallization process and system |
| CN116726812A (en) * | 2023-05-26 | 2023-09-12 | 常州工学院 | Continuous production equipment and production process for 4-aminodiphenylamine precursor |
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Address after: 065000 Industrial Road two, Chao Bai He Industrial Park, Dachang Hui Autonomous County, Langfang, Hebei Patentee after: Hebei Le Heng energy saving equipment Co., Ltd. Address before: 065000 Industrial Road two, Chao Bai He Industrial Park, Dachang Hui Autonomous County, Langfang, Hebei Patentee before: Hebei Le Heng chemical industry equipment Manufacturing Co., Ltd |
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