CN103335444B - Nanometer fluid self-dispersion device and lithium bromide absorption refrigeration circulating system - Google Patents
Nanometer fluid self-dispersion device and lithium bromide absorption refrigeration circulating system Download PDFInfo
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- CN103335444B CN103335444B CN201310253531.7A CN201310253531A CN103335444B CN 103335444 B CN103335444 B CN 103335444B CN 201310253531 A CN201310253531 A CN 201310253531A CN 103335444 B CN103335444 B CN 103335444B
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/62—Absorption based systems
Abstract
The invention discloses a nanometer fluid self-dispersion device, which comprises a shell provided with an inlet and an outlet, and an impeller, a first revolving shaft, a first gear, a second gear, a second revolving shaft, a cutting blade, a sieving chamber and a mixing chamber which are positioned inside the shell. According to the self-dispersion device, agglomerated nanoparticles enter a cutting chamber under the sieving action of a sieve plate, and self-dispersion is performed by using the cutting movement provided by pressure difference, so that nanometer fluid has a self-dispersion function. The invention further discloses a lithium bromide absorption refrigeration circulating system, which comprises a condenser, a generator, an evaporator, an absorber, a heat exchanger, a U-shaped throttling tube, an anti-crystalizing tube, a generator pump, an absorber pump, the self-dispersion device, an evaporator pump, a vacuumizing device, a solution three-way valve, a high-pressure cylinder and a low-pressure cylinder. According to the lithium bromide absorption refrigeration circulating system, the absorber pump or the generator pump is used for driving the self-dispersion device to run, so that the stability and reliability of the lithium bromide absorption refrigeration circulating system are improved.
Description
Technical field
The present invention relates to nanometer fluid self-dispersion device and Lithium Bromide Absorption Refrigeration Cycle system.
Background technology
Along with developing rapidly of nanometer material science, increasing research shows that nano-fluid not only has and improves flow thermal conductivity coefficient convection heat transfer' heat-transfer by convection and boiling heat transfer, also has reduction skin friction drag, improves the advantages such as optical property.The invigoration effect of nano-fluid in heat transfer and mass transfer two can be used for absorption in strengthening lithium bromide absorption chiller system, regeneration and heat exchanging process.Have both at home and abroad at present and studied Application of microns such as aluminium oxide, iron, silica, CNTs in refrigeration system with lithium bromide absorption, achieved ideal effect.
But challenge maximum in nano-fluid engineer applied is the nano powder be suspended in nano-fluid knows from experience generation reunion and sedimentation, makes nano-fluid deteriorate to common fluid gradually.In the refrigeration system with lithium bromide absorption adopting nano-fluid, thermal property is changed because the sedimentation of nano particle and reunion cause the inner nano-fluid of absorption system to lose height, and the aggregate of nano particle is likely attached to the boiling pool wall of generator, heat pipe heat exchanging wall thermal resistance is caused to increase.System in use; comparatively large disturbances is had due to when boiling and flowing; now nano particle not easily falls to bottom surface due to the existence of disturbance, but nano particle can occur natural subsidence due to the effect of gravity when not using, and part nano particle can fall to heat pipe bottom surface.This sedimentation is loose reversible sedimentation mostly, and when the work of upper once heat pipe, the disturbance through boiling is scattered in again in liquid.But nano particle is except settling character, long-time use there will be agglomeration, forms the nanoclusters aggressiveness of large volume.Nano particle has high specific area and surface-active, when nano-fluid is placed or running time is longer due to particle between very strong active force, comprise Van der Waals force, the effect such as particles collision all can be reunited.The existence of this part nanoparticle agglomerates body not only can weaken the excellent specific property of nano-fluid, such as microconvection, high heat transfer mass-transfer performance, low viscosity (relative to micron particles suspension) etc., and in the use procedure of nano-fluid, this part aggregate may become absorption core of reuniting to be made above more nano particle is adsorbed on, thus causes the dispersion stabilization of nano-fluid further to reduce.So the technical problem that the nano-fluid how maintaining stable dispersion in nano-fluid engineer applied is those skilled in the art to be faced.
At the nano-fluid of lithium bromide absorbing type refrigeration field application, although flowing and boiling process can to generation disturbances, to a certain degree can improve the sedimentation agglomeration of nano-fluid, but the aggregate produced can not be made to spread out due to not tool regularity due to the disturbance of boiling.Method conventional in nano-fluid process for dispersing is shearing dispersing, nano-fluid is made to carry out circular motion, utilize nano particle speed different in the radial direction in circular motion process to shear nano particle or " pullling ", thus make nanoparticle agglomerates physical efficiency be become the nano particle of stable dispersion by " shearing ".The present invention, in conjunction with refrigeration system with lithium bromide absorption application, utilizing throttling to send out front and back pressure reduction, by providing shearing motion from dispersion mechanism design to nano-fluid in system especially, making nano-fluid possess self-dispersed function in the application.
Summary of the invention
technical problem:technical problem to be solved by this invention is: provide a kind of nanometer fluid self-dispersion device, the screening effect agglomerated nano particle of sieve plate should be utilized to enter fluid shear chamber from dispersal device, the shearing motion utilizing pressure reduction to provide carries out, from dispersion, making nano-fluid possess self-dispersed function; Also provide a kind of with the Lithium Bromide Absorption Refrigeration Cycle system of this kind from dispersal device simultaneously, utilize the absorber in Lithium Bromide Absorption Refrigeration Cycle system or generator pump to drive to run from dispersal device, improve stability and the reliability of the Lithium Bromide Absorption Refrigeration Cycle system adopting nano-fluid.
technical scheme:for solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of nanometer fluid self-dispersion device, the housing being provided with entrance and exit should be comprised from dispersal device, and be positioned at the impeller of enclosure interior, the first rotating shaft, the first gear, the second gear, the second rotating shaft, shearing blade, screening room, mixing chamber, entrance is positioned at the top of screening room, screening is provided with dividing plate in room, and screening room is divided into screening indoor chamber and the outdoor room of screening by dividing plate.Impeller, the first rotating shaft, the first gear and the second gear are all arranged in screening indoor chamber, first rotating shaft is vertical state, the top of the first rotating shaft is fixedly connected with impeller, the bottom of the first rotating shaft is fixedly connected with the first gear, the bottom of the first rotating shaft is connected on location-plate by the second sealing thrust bearing, location-plate is fixedly connected on the wall of screening indoor chamber, first gear and the second gear match, second gear is fixedly connected with shearing blade by the second rotating shaft, and the second rotating shaft is connected in the wall of screening indoor chamber by the first sealing thrust bearing; Be the sieve plate with sieve aperture in the middle part of dividing plate, and sieve plate is positioned at above the first sealing thrust bearing; Fluid shear chamber is positioned at the middle part of screening outdoor room, and shearing blade is arranged in fluid shear chamber; Mixing chamber is positioned at the below of screening indoor chamber, and mixing chamber is communicated with screening bottom indoor chamber respectively with bottom the outdoor room of screening; Outlet is positioned at the bottom of mixing chamber.
With a Lithium Bromide Absorption Refrigeration Cycle system for above-mentioned nanometer fluid self-dispersion device, this cooling cycle system comprise condenser, generator, evaporimeter, absorber, heat exchanger, U-shaped throttle pipe, crystallization-preventive pipe, generator pump, absorber, from dispersal device, evaporimeter pump, vacuum extractor, solution triple valve, high pressure cylinder and low pressure cylinder; Described condenser and generator are arranged in high pressure cylinder, and condenser is positioned at the top of generator; Evaporimeter and absorber arrangement are in low pressure cylinder, and absorber is positioned at below evaporimeter; High pressure cylinder is positioned at above low pressure cylinder; The bottom of condenser is connected with evaporimeter top by the first pipeline, and U-shaped throttle pipe is arranged in the first pipeline; Base of evaporator is connected by the second pipeline with evaporimeter top, and evaporimeter pump is connected in the second pipeline; Absorber bottom is connected by the 3rd pipeline with bottom generator; Bottom from absorber bottom to generator, the 3rd pipeline is connected successively generator pump, heat exchanger and solution triple valve; The entrance of absorber is connected by the 4th pipeline with absorber bottom, and absorber delivery side of pump is connected with absorber upper spray pipe road by the 8th pipeline; Be arranged in the 8th pipeline from dispersal device, be connected with absorber delivery side of pump from the entrance of dispersal device, be connected with absorber upper spray pipe road from the outlet of dispersal device; Or be arranged in the 3rd pipeline from dispersal device, be connected with generator delivery side of pump from the import of dispersal device, be connected with the import of heat exchanger from the outlet of dispersal device; Vacuum extractor is connected with absorber with condenser, evaporimeter respectively by the 5th pipeline; Heat exchanger is connected with absorber side with generator side respectively by the 6th pipeline, and the 6th pipeline is connected with solution triple valve; Crystallization-preventive pipe is connected with absorber side with generator side respectively by the 7th pipeline;
beneficial effect:compared with prior art, technical scheme of the present invention can make nano-fluid possess self-dispersed function; And stability and the reliability of the refrigeration system with lithium bromide absorption adopting nano-fluid can be improved, be specifically described below:
(1) of the present invention in dispersal device, when wheel rotation time, the nano particle of the reunion in screening room is subject to centrifugal action and can tends to radial direction motion.Utilize nano-fluid to be subject to centrifugal action when rotating and there is the tendentiousness to radial direction motion, sieve plate is utilized to make nano-fluid agglomerate particle and stable dispersion particle separation to different spaces, the nano particle of stable dispersion is owing to being in nano-grade size, due to the effect (electrostatic force or Van der Waals force etc.) between particle, the very strong diffusivity (sieve aperture of freely coming in and going out) that the reasons such as the disturbance in Brownian movement and flow process make it possess and ensure that and can continue to be uniformly distributed in interior outer space (because the nano particle " molten " of stable dispersion is in base fluid, it has possessed the character of certain " solute ", can stable and uniform be distributed in fluid, its diffusivity can overcome its centrifugal force), and reunite nano particle due to its quality volume larger, Van der Waals force, Brownian movement is less on its impact, centrifugal force is larger on its impact, its diffusion is also more weak, aggregate can enter sieve plate outer space (i.e. fluid shear chamber access road) under centrifugal action.Like this, optionally agglomerated nano particle enters fluid shear chamber through sieve plate and effectively shears dispersion, improves fluid shear chamber dispersion efficiency.After system shuts down, due to the existence of sieve plate, entering the nanoparticle agglomerates body screening outdoor sheaf space due to centrifugal force is also not easily diffused in the indoor sheaf space of screening again, outdoor sheaf space is screened still containing more nanoparticle agglomerates body when ensure that and start refrigeration system with lithium bromide absorption work next time, and enter fluid shear chamber and shear, thus ensure that the dispersion efficiency of fluid shear chamber.If do not use sieve plate but directly cut off by ectonexine, so the nanoclusters aggressiveness screened in room cannot enter fluid shear chamber; If do not use sieve plate but directly ectonexine be communicated with, so after system is out of service, will get back in the indoor layer of screening due to diffusion and disturbance because centrifugal action enters the nanoclusters aggressiveness screening outdoor sheaf space, start up system need of work re-starts centrifugal screening next time, and reduces the operating efficiency of fluid shear chamber.Therefore adopt sieve plate of the present invention can effectively avoid above-mentioned shortcoming between screening room and fluid shear chamber, reach good application target.This maintains the stability of nano-fluid, so just can ensure the benign cycle of bromine cooling machine group, improve the refrigerating efficiency of complete machine.
(2) band of the present invention utilizes shearing dispersing conventional in nano-fluid process for dispersing from the nano-fluid Lithium Bromide Absorption Refrigeration Cycle device of dispersal device, absorber in refrigeration system with lithium bromide absorption (or generator pump) is utilized to provide powered hydraulic shock wheel rotation, and be delivered to fluid shear chamber blade by gear, form circular motion, nano particle speed different in the radial direction in circular motion process is utilized to shear nano particle or " pullling ", thus make nanoparticle agglomerates physical efficiency be become the nano particle of small volume stable dispersion by " shearing ".The present invention does not need and provides power facility outward, utilize the power surplus in suction-type lithium bromide system, because refrigeration system with lithium bromide absorption pressure reduction is less, utilize absorber or generator pump to provide power, nano-fluid can be made simultaneously to possess self-dispersed function when work.Thus stability and the thermodynamic property of nano-fluid in the refrigeration system with lithium bromide absorption adopting nano-fluid can be improve, improve reliability and the operating efficiency of system simultaneously.The present invention is arranged from dispersal device at absorber (or generator pump) place pipeline, absorber is utilized to provide power to drive and run from dispersal device, and utilize the screening selective action of sieve plate ground agglomerated nano particle to enter fluid shear chamber, utilize shearing motion to carry out from dispersion.The present invention can ensure to adopt the nano-fluid of the Lithium Bromide Absorption Refrigeration Cycle of nano-fluid to possess from dispersibility, can prevent throttling original paper from blocking, promote system effectiveness.
Accompanying drawing explanation
Fig. 1 is of the present invention from dispersal device structure chart.
Fig. 2 is Lithium Bromide Absorption Refrigeration Cycle system schematic of the present invention.
Have in figure: condenser 1, generator 2, evaporimeter 3, absorber 4, heat exchanger 5, U-shaped throttle pipe 6, crystallization-preventive pipe 7, generator pump 8, absorber 9, from dispersal device 10, evaporimeter pump 11, vacuum extractor 12, solution triple valve 13, high pressure cylinder 14, low pressure cylinder 15, entrance 101, impeller 102, screening indoor chamber 103, screen outdoor room 104, sieve plate 105, first rotating shaft 106, first gear 107, second gear 108, second rotating shaft 109, first sealing thrust bearing 110, second sealing thrust bearing 111, shearing blade 112, fluid shear chamber 113, mixing chamber 114, outlet 115.
Detailed description of the invention
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in detail.
As shown in Figure 1, nanometer fluid self-dispersion device of the present invention, comprise the housing being provided with entrance 101 and outlet 115, and be positioned at impeller 102, first rotating shaft 106, first gear 107, second gear 108, second rotating shaft 109 of enclosure interior, shearing blade 112, screening room, mixing chamber 114.Entrance 101 is positioned at the top of screening room.Screening is provided with dividing plate in room.Screening room is divided into screening indoor chamber 103 and the outdoor room 104 of screening by dividing plate.Impeller 102, first rotating shaft 106, first gear 107 and the second gear 108 are all arranged in screening indoor chamber 103.First rotating shaft 106 is in vertical state.The top of the first rotating shaft 106 is fixedly connected with impeller 102, and the bottom of the first rotating shaft 106 is fixedly connected with the first gear 107, and the bottom of the first rotating shaft 106 is connected on location-plate by the second sealing thrust bearing 111.Location-plate is fixedly connected on the wall of screening indoor chamber 103.First gear 107 and the second gear 108 match.Second gear 108 is fixedly connected with shearing blade 112 by the second rotating shaft 109, and the second rotating shaft 109 is connected in the wall of screening indoor chamber 103 by the first sealing thrust bearing 110.Be the sieve plate 105 with sieve aperture in the middle part of dividing plate, and sieve plate 105 is positioned at above the first sealing thrust bearing 110.Fluid shear chamber 113 is positioned at the middle part of screening outdoor room 104, and shearing blade 112 is arranged in fluid shear chamber 113.Mixing chamber 114 is positioned at the below of screening indoor chamber 103, and mixing chamber 114 is communicated with screening bottom indoor chamber 103 respectively with bottom the outdoor room 104 of screening.Outlet 115 is positioned at the bottom of mixing chamber 114.
Further, the aperture of described sieve plate 105 is 0.05-0.2 mm, and order number is 100-200.Arrange sieve plate 105, when impeller 102 rotates time, the nano particle of the reunion in screening indoor chamber 103 is subject to centrifugal action, can tend to radial direction motion.Utilize nano-fluid to be subject to centrifugal action when rotating and there is the tendentiousness to radial direction motion, adopt sieve plate 105 to make nano-fluid agglomerate particle and stable dispersion particle separation to different spaces.The nano particle of stable dispersion is in nano-grade size, due to the effect (electrostatic force or Van der Waals force etc.) between particle, the very strong diffusivity that the reasons such as the disturbance in Brownian movement and flow process make it possess, freely to come in and go out the sieve aperture of sieve plate 105, and ensure that and can continue to be uniformly distributed in interior outer space (because the nano particle " molten " of stable dispersion is in base fluid, it has possessed the character of certain " solute ", can stable and uniform be distributed in fluid, its diffusivity can overcome its centrifugal force), and reunite nano particle due to its quality volume larger, Van der Waals force, Brownian movement is less on its impact, centrifugal force is larger on its impact, its diffusion is also more weak, aggregate can enter the outdoor room 104 of screening under centrifugal action.Thus optionally agglomerated nano particle enters fluid shear chamber 113 effectively shear dispersion through sieve plate 105, improves in fluid shear chamber the efficiency shearing dispersion.
Further, described impeller 102, first rotating shaft 106, first gear 107, second gear 108, second rotating shaft 109, shearing blade 112 are made by rigid plastics or light-weight metal.As optimization, under intensity meets situation, these parts can adopt hollow-core construction.This nanofluid ammonia water absorption refrigeration cycle device, also comprises ultrasonic probe, and this ultrasonic probe is fixed on the wall of fluid shear chamber 113.Time in the not good or lasting dispersing technology of dispersive property containing ultrasonic vibration, ultrasonic probe can be installed in fluid shear chamber 113, ultrasonic disperse is provided.The same like this efficiency that sieve plate principle can be utilized to improve ultrasonic disperse in fluid shear chamber.
The middle part from dispersal device of said structure is whirligig.Whirligig mainly comprises impeller 102, first rotating shaft 106, second rotating shaft 109, first gear 107, second gear 108, first sealing thrust bearing 110, second and seals thrust bearing 111, shearing blade 112.The import of impeller 102 is the end of entrance 101, impeller 102 with form impeller outlet from dispersal device outside wall surface, outlet is slype, and be communicated with screening room, screening room is divided into screening indoor chamber 103 and the outdoor room 104 of screening by sieve plate 105, screen outdoor room 104 to communicate with fluid shear chamber 113, shearing blade 112 is arranged in fluid shear chamber 113.Fluid shear chamber 113 exports and screens indoor chamber 103 and be all connected with mixing chamber 114, is from dispersal device outlet 115 bottom mixing chamber 114.Liquid enters from entrance 101, promote leaf, 102 rotate, impeller 102 drives the first gear 107, second gear 108 and shearing blade 112 to rotate, liquid enters screening room from impeller outlet 115, agglomeration nanoparticles enters in fluid shear chamber 113 through the outdoor room 104 of screening, enters mixing chamber 114 and by outlet 115, complete from dispersion process after shearing.
The course of work from dispersal device of said structure is: exterior power drives nanofiuid solutions (such as: lithium bromide nanofiuid solutions) to enter from dispersal device 10 from entrance 101, impact and promote impeller 102 and rotate, impeller 102 drives the first gear 107, second gear 108 and shearing blade 112 to rotate.Nanofiuid solutions enters screening indoor chamber 103 from impeller 102 outlet.The nanofiuid solutions entered in screening indoor chamber 103 moves in a circle under the drive of impeller 102, the nano particle of reuniting is subject to centrifugal action can tend to radial direction motion, thus can enter in the outdoor room 104 of screening through sieve plate 105, a stepping of going forward side by side enters fluid shear chamber 113 and carries out shearing dispersion, and the nano particle of stable dispersion possesses the character of fluid, due to the effect between particle, Brownian movement, the reasons such as disturbance that inside heat pipe nano-fluid is subject to (comprising the disturbance that flowing and whirligig bring) have possessed very strong diffusivity, and ensure that can stay on screening indoor chamber 103 in.So optionally agglomerated nano particle enters fluid shear chamber 113 through sieve plate 105 and effectively shears dispersion.Nano-fluid in screening indoor chamber 103 after the nano-fluid of screening and fluid shear chamber 113 shear dispersion mixes, by exporting 115 outflows in mixing chamber 114.
With an above-mentioned Lithium Bromide Absorption Refrigeration Cycle system from dispersal device, comprise condenser 1, generator 2, evaporimeter 3, absorber 4, heat exchanger 5, U-shaped throttle pipe 6, crystallization-preventive pipe 7, generator pump 8, absorber 9, from dispersal device 10, evaporimeter pump 11, vacuum extractor 12, solution triple valve 13, high pressure cylinder 14 and low pressure cylinder 15.Condenser 1 and generator 2 are arranged in high pressure cylinder 14, and condenser 1 is positioned at the top of generator 2.Evaporimeter 3 and absorber 4 are arranged in low pressure cylinder 15, and absorber 4 is positioned at below evaporimeter 3; High pressure cylinder 14 is positioned at above low pressure cylinder 15.The bottom of condenser 1 is connected with evaporimeter 3 top by the first pipeline, and U-shaped throttle pipe 6 is arranged in the first pipeline.Be connected by the second pipeline with evaporimeter 3 top bottom evaporimeter 3, and evaporimeter pump 11 is connected in the second pipeline.Like this, self-loopa spray carried out by evaporimeter 3.
Be connected by the 3rd pipeline bottom absorber 4 with bottom generator 2.From bottom absorber 4 bottom generator 2, the 3rd pipeline is connected successively generator pump 8, heat exchanger 5 and solution triple valve 13.
The entrance of absorber 9 is connected by the 4th pipeline with bottom absorber 4, and the outlet of absorber 9 is connected with absorber 4 upper spray pipe road by the 8th pipeline.There are two kinds of positions from dispersal device 10 device: the first position: be arranged in the 8th pipeline from dispersal device 10, are connected with the outlet of absorber 9 from the entrance of dispersal device 10, be connected with absorber 4 upper spray pipe road from the outlet of dispersal device 10; The second position: be arranged in the 3rd pipeline from dispersal device 10, is connected with the outlet of generator pump 8 from the import of dispersal device 10, is connected with the import of heat exchanger 5 from the outlet of dispersal device 10.
Vacuum extractor 12 is connected with absorber 4 with condenser 1, evaporimeter 3 respectively by the 5th pipeline.Heat exchanger 5 is connected with absorber 4 side with generator 2 side respectively by the 6th pipeline, and the 6th pipeline is connected with solution triple valve 13.Crystallization-preventive pipe 7 is connected with absorber 4 side with generator 2 side respectively by the 7th pipeline.As preferably, described crystallization-preventive pipe 7 is J-shaped pipe.
Refrigerating circulatory device and the conventional bromination lithium absorption formula kind of refrigeration cycle main distinction of said structure are: the present invention is at absorber 9(or generator pump 8) place pipeline arranges from dispersal device, absorber is utilized to provide power to drive and run from dispersal device, and utilize the screening selective action of sieve plate ground agglomerated nano particle to enter fluid shear chamber, utilize shearing motion to carry out from dispersion.The present invention can ensure to adopt the nano-fluid of the Lithium Bromide Absorption Refrigeration Cycle of nano-fluid to possess from dispersibility, can prevent throttling original paper from blocking, promote system effectiveness.
Claims (7)
1. a nanometer fluid self-dispersion device, it is characterized in that, the housing being provided with entrance (101) and outlet (115) should be comprised from dispersal device, and be positioned at the impeller (102) of enclosure interior, the first rotating shaft (106), the first gear (107), the second gear (108), the second rotating shaft (109), shearing blade (112), screening room, mixing chamber (114)
Entrance (101) is positioned at the top of screening room, and screening is provided with dividing plate in room, and screening room is divided into screening indoor chamber (103) and the outdoor room of screening (104) by dividing plate, impeller (102), first rotating shaft (106), first gear (107) and the second gear (108) are all arranged in screening indoor chamber (103), first rotating shaft (106) is in vertical state, the top of the first rotating shaft (106) is fixedly connected with impeller (102), the bottom of the first rotating shaft (106) is fixedly connected with the first gear (107), the bottom of the first rotating shaft (106) is connected on location-plate by the second sealing thrust bearing (111), location-plate is fixedly connected on the wall of screening indoor chamber (103), first gear (107) and the second gear (108) match, second gear (108) is fixedly connected with shearing blade (112) by the second rotating shaft (109), and the second rotating shaft (109) is connected in the wall of screening indoor chamber (103) by the first sealing thrust bearing (110), be the sieve plate (105) with sieve aperture in the middle part of dividing plate, and sieve plate (105) is positioned at the first sealing thrust bearing (110) top,
Fluid shear chamber (113) is positioned at the middle part of the outdoor room of screening (104), and shearing blade (112) is arranged in fluid shear chamber (113); Mixing chamber (114) is positioned at the below of screening indoor chamber (103), and mixing chamber (114) is communicated with screening bottom indoor chamber (103) with the outdoor room of screening (104) bottom respectively; Outlet (115) is positioned at the bottom of mixing chamber (114).
2. according to nanometer fluid self-dispersion device according to claim 1, it is characterized in that, the aperture of described sieve plate (105) is 0.05-0.2mm, and order number is 100-200.
3. according to nanometer fluid self-dispersion device according to claim 1, it is characterized in that, described impeller (102), the first rotating shaft (106), the first gear (107), the second gear (108), the second rotating shaft (109), shearing blade (112) are made by rigid plastics or light-weight metal.
4. according to nanometer fluid self-dispersion device according to claim 3, it is characterized in that, described impeller (102), the first rotating shaft (106), the first gear (107), the second gear (108), the second rotating shaft (109), shearing blade (112) all adopt hollow-core construction.
5. according to nanometer fluid self-dispersion device according to claim 1, it is characterized in that, also comprise ultrasonic probe, this ultrasonic probe is fixed on the wall of fluid shear chamber (113).
6. the Lithium Bromide Absorption Refrigeration Cycle system with nanometer fluid self-dispersion device according to claim 1, it is characterized in that, this cooling cycle system comprises condenser (1), generator (2), evaporimeter (3), absorber (4), heat exchanger (5), U-shaped throttle pipe (6), crystallization-preventive pipe (7), generator pump (8), absorber (9), from dispersal device (10), evaporimeter pump (11), vacuum extractor (12), solution triple valve (13), high pressure cylinder (14) and low pressure cylinder (15),
Described condenser (1) and generator (2) are arranged in high pressure cylinder (14), and condenser (1) is positioned at the top of generator (2); Evaporimeter (3) and absorber (4) are arranged in low pressure cylinder (15), and absorber (4) is positioned at evaporimeter (3) below; High pressure cylinder (14) is positioned at low pressure cylinder (15) top;
The bottom of condenser (1) is connected with evaporimeter (3) top by the first pipeline, and U-shaped throttle pipe (6) is arranged in the first pipeline; Evaporimeter (3) bottom is connected by the second pipeline with evaporimeter (3) top, and evaporimeter pump (11) is connected in the second pipeline;
Absorber (4) bottom is connected by the 3rd pipeline with generator (2) bottom; From absorber (4) bottom to generator (2) bottom, generator pump (8) that the 3rd pipeline is connected successively, heat exchanger (5) and solution triple valve (13);
The entrance of absorber (9) is connected by the 4th pipeline with absorber (4) bottom, and the outlet of absorber (9) is connected with absorber (4) upper spray pipe road by the 8th pipeline;
The 8th pipeline is arranged in from dispersal device (10), be connected with the outlet of absorber (9) from the entrance of dispersal device (10), be connected with absorber (4) upper spray pipe road from the outlet of dispersal device (10); Or be arranged in the 3rd pipeline from dispersal device (10), be connected with the outlet of generator pump (8) from the import of dispersal device (10), be connected with the import of heat exchanger (5) from the outlet of dispersal device (10);
Vacuum extractor (12) is connected with absorber (4) with condenser (1), evaporimeter (3) respectively by the 5th pipeline; Heat exchanger (5) is connected with absorber (4) side with generator (2) side respectively by the 6th pipeline, and the 6th pipeline is connected with solution triple valve (13); Crystallization-preventive pipe (7) is connected with absorber (4) side with generator (2) side respectively by the 7th pipeline;
Described comprises from dispersal device the housing being provided with entrance (101) and outlet (115), and be positioned at the impeller (102) of enclosure interior, the first rotating shaft (106), the first gear (107), the second gear (108), the second rotating shaft (109), shearing blade (112), screening room, mixing chamber (114)
Entrance (101) is positioned at the top of screening room, and screening is provided with dividing plate in room, and screening room is divided into screening indoor chamber (103) and the outdoor room of screening (104) by dividing plate, impeller (102), first rotating shaft (106), first gear (107) and the second gear (108) are all arranged in screening indoor chamber (103), first rotating shaft (106) is in vertical state, the top of the first rotating shaft (106) is fixedly connected with impeller (102), the bottom of the first rotating shaft (106) is fixedly connected with the first gear (107), the bottom of the first rotating shaft (106) is connected on location-plate by the second sealing thrust bearing (111), location-plate is fixedly connected on the wall of screening indoor chamber (103), first gear (107) and the second gear (108) match, second gear (108) is fixedly connected with shearing blade (112) by the second rotating shaft (109), and the second rotating shaft (109) is connected in the wall of screening indoor chamber (103) by the first sealing thrust bearing (110), be the sieve plate (105) with sieve aperture in the middle part of dividing plate, and sieve plate (105) is positioned at the first sealing thrust bearing (110) top,
Fluid shear chamber (113) is positioned at the middle part of the outdoor room of screening (104), and shearing blade (112) is arranged in fluid shear chamber (113); Mixing chamber (114) is positioned at the below of screening indoor chamber (103), and mixing chamber (114) is communicated with screening bottom indoor chamber (103) with the outdoor room of screening (104) bottom respectively; Outlet (115) is positioned at the bottom of mixing chamber (114).
7. according to Lithium Bromide Absorption Refrigeration Cycle system according to claim 6, it is characterized in that, described crystallization-preventive pipe (7) is J-shaped pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310253531.7A CN103335444B (en) | 2013-06-25 | 2013-06-25 | Nanometer fluid self-dispersion device and lithium bromide absorption refrigeration circulating system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310253531.7A CN103335444B (en) | 2013-06-25 | 2013-06-25 | Nanometer fluid self-dispersion device and lithium bromide absorption refrigeration circulating system |
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| Publication Number | Publication Date |
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| CN103335444A CN103335444A (en) | 2013-10-02 |
| CN103335444B true CN103335444B (en) | 2015-03-18 |
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| JP6297377B2 (en) * | 2014-03-25 | 2018-03-20 | 荏原冷熱システム株式会社 | Absorption heat pump |
| CN105841389B (en) * | 2016-05-18 | 2018-04-17 | 中铁第四勘察设计院集团有限公司 | A kind of ultrasonic wave nanometer absorption type air-conditioner unit |
| CN111795513B (en) * | 2020-06-16 | 2021-10-22 | 普泛能源技术研究院(北京)有限公司 | Two-state thermal drive refrigerating system |
| CN113154717A (en) * | 2020-11-04 | 2021-07-23 | 张学文 | Uncompensated absorption refrigeration cycle method |
| CN114308323B (en) * | 2021-11-03 | 2023-01-03 | 中北大学 | High-shear preparation method and device of nanofluid |
| CN114832703B (en) * | 2022-05-23 | 2023-05-23 | 南京林业大学 | Automatic dispersing and stirring structure of internal magnetic force of nanofluid rotary heat pipe and method thereof |
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| CN2245201Y (en) * | 1995-06-30 | 1997-01-15 | 江苏双良集团公司 | Absorption type refrigerant automatic balance device for refrigeration machine |
| CN200974043Y (en) * | 2006-11-23 | 2007-11-14 | 国家纳米技术与工程研究院 | Centrifugal classifier for classifying nanometer-grade grains |
| CN101091889A (en) * | 2007-06-01 | 2007-12-26 | 沈阳航空工业学院 | Method and equipment for preparing Nano composite material based on expansion bubble method |
| CN201740305U (en) * | 2010-06-23 | 2011-02-09 | 大连三洋制冷有限公司 | Lithium bromide absorption type cold/warm water machine unit with crystallization prevention function and heat pump machine unit |
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| JP2002001165A (en) * | 2000-06-26 | 2002-01-08 | Fuji Photo Film Co Ltd | Centrifuge and method for manufacturing base for planographic printing plate |
| US7718033B1 (en) * | 2006-07-12 | 2010-05-18 | The United States Of America As Represented By The United States Department Of Energy | One-step method for the production of nanofluids |
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| CN2245201Y (en) * | 1995-06-30 | 1997-01-15 | 江苏双良集团公司 | Absorption type refrigerant automatic balance device for refrigeration machine |
| CN200974043Y (en) * | 2006-11-23 | 2007-11-14 | 国家纳米技术与工程研究院 | Centrifugal classifier for classifying nanometer-grade grains |
| CN101091889A (en) * | 2007-06-01 | 2007-12-26 | 沈阳航空工业学院 | Method and equipment for preparing Nano composite material based on expansion bubble method |
| CN201740305U (en) * | 2010-06-23 | 2011-02-09 | 大连三洋制冷有限公司 | Lithium bromide absorption type cold/warm water machine unit with crystallization prevention function and heat pump machine unit |
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