CN202532910U - Direct heat exchange-type steam condensing device - Google Patents
Direct heat exchange-type steam condensing device Download PDFInfo
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- CN202532910U CN202532910U CN2012201371537U CN201220137153U CN202532910U CN 202532910 U CN202532910 U CN 202532910U CN 2012201371537 U CN2012201371537 U CN 2012201371537U CN 201220137153 U CN201220137153 U CN 201220137153U CN 202532910 U CN202532910 U CN 202532910U
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- condensation
- impeller
- condensation impeller
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- direct heat
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Abstract
The utility model relates to a condensing device and in particular to a direct heat exchange-type steam condensing device which comprises a condensing impeller, wherein the condensing impeller comprises a plurality of condensing impeller vanes, a condensing impeller rotating shaft for driving the condensing impeller vanes to rotate and a feed liquid passage for delivering a heat-absorbing medium onto the surfaces of the condensing impeller vanes and rotating synchronously; the condensing impeller vanes are distributed in the circumferential direction of the condensing impeller rotating shaft; and a steam passage is formed between two adjacent condensing impeller vanes. The direct heat exchange-type steam condensing device provided by the utility model is characterized in that the steam and the heat-absorbing medium are in a direct contact during motion, and aims to solve problems in the prior art, such as low heat exchange efficiency, slow heat exchange speed and poor condensing effect.
Description
Technical field
The utility model relates to condensing unit, relates in particular to a kind of steam that makes and directly contacts to impel the condensing unit of steam condensation with heat-absorbing medium.
Background technology
Converting steam into liquid carries out through condensing unit; Existing condensing unit carries out indirect heat exchange through condenser pipe; Medium (below the be called heat-absorbing medium) pipe that is condensed that to be steam make steam be cooled to liquid with the heat that is used to absorb steam separates; One pass through from the inside of condenser pipe, and another person passes through from the outside of condenser pipe.
Number be 972019146 at Chinese patent, Granted publication day be January 20 in 1999 day, be called in the patent documentation of " high-efficiency vacuum condenser " and disclose a kind of condensing unit.This device comprises that mainly condensation body and the condensation core that is installed in the condensation body constitute, and the condensation in-core is provided with condenser pipe, absorbs the heat that is positioned at the outer steam of condenser pipe through the gasification of the medium in the condenser pipe during use and makes steam become liquid.
Be 1778691A at the Chinese patent publication number, open day be Mays 31 in 2006 day, be called in the patent documentation of " air-closed and circulating seawater deslination plant " and also disclose a kind of condensing unit; The situation of a same patent documentation of the condensing mode of the condensing unit in the document is identical, and the expansion gasification of the refrigerant through being positioned at heat exchanger tube (condenser pipe) is removed to absorb the heat that is positioned at the outer steam of condenser pipe and realized condensation.
Chinese patent number for ZL2010102700217, Shen Qing Publication day be February 16 in 2011 day, be called in the patent documentation of " the integrated seawater of flash distillation condensation is talked makeup and put " and disclose a kind of condensing unit.The heat exchange body of the condensing unit in this patent documentation is finned heat exchange tube assemblies.Deep sea water (low temperature seawater) is flow through in heat exchanger tube, and water vapour is crossed from the outer flow of heat exchanger tube and is realized condensation.
It is not enough below the indirect heat exchange mode exists when carrying out condensation adopting contactless: the heat of steam can form the carrying out that static liquid film hinder heat exchange on the heat-conducting medium surface for heat-absorbing medium, condensation process through the heat-conducting medium indirect transfer, so heat exchanger effectiveness is low and the heat transfer rate is slow; Heat-conducting medium is actionless during heat exchange; Heat-conducting medium is constant with the contact position between the steam flow; Make steam flow slow, cause condensation not thoroughly (ratio of the steam that is not condensed is high) away from the speed of the heat transferred heat-conducting medium of the part of heat-conducting medium; Therefore there is the deficiency of condensation effect difference in existing condensing unit.
The utility model content
The utility model aim to provide a kind of steam with the heat-absorbing medium direct direct heat transfer formula steam condensing unit of contact at the volley, existing condensing unit heat exchanger effectiveness is low to solve, the heat transfer rate is slow, the problem of condensation effect difference.
Above technical problem solves through following technical proposal: a kind of direct heat transfer formula steam condensing unit; Comprise the condensation impeller; Said condensation impeller comprises some condensation impeller blades, drives the condensation impeller shaft of condensation impeller blade rotation and carries the feed pathway of heat-absorbing medium to the lip-deep synchronous rotation of condensation impeller blade; The condensation impeller blade forms steam channel along the circumferential distribution of condensation impeller shaft between the adjacent condensation impeller blade.During use; Steam gets between the condensation impeller from an end of steam channel, and as heat-absorbing medium, the condensation impeller rotates continuously with the vapor phase that is condensed together liquid together; Heat-absorbing medium is imported through feed pathway; Heat-absorbing medium flows to through feed pathway on the surface of condensation impeller blade, and heat-absorbing medium spreads out on the surface of condensation impeller blade and leaves from the end away from the condensation impeller shaft of condensation impeller blade under action of centrifugal force, and steam flow is crossed in the process of steam channel and directly contacted with heat-absorbing medium; Heat is condensed that medium absorbs and condensation is left from the end away from the condensation impeller shaft of condensation impeller blade in company with cooling medium together.The optimum shape of the outlet of feed pathway is: along the axially extended slit of condensation impeller, cooling medium is tiled on the surface of condensation impeller blade continuously.
As preferably, said condensation impeller is provided with the condensation impeller housing of synchronous rotation, and said condensation impeller housing is provided with air inlet and with the apocenosis passage of condensation impeller blade away from the alignment of condensation impeller shaft one end.During use; The air inlet of steam from the condensation impeller housing flows between the condensation impeller blade and is condensed, and the synthesis of the liquid juice of gained and cooling medium after the steam condensation (following " synthesis of the liquid juice of gained and cooling medium after the steam condensation " is called " pure liquid ") flows out from apocenosis passage under action of centrifugal force.Because pure liquid leaves the condensation impeller blade by centrifugal force, this design can prevent that pure liquid from being thrown on the exterior object and backwash returns in the steam channel, causes pure liquid to reclaim inconvenient and influences condensation effect, has improved the compactedness of equipment; If do not design the condensation impeller housing; When then overcoming the problems referred to above; Size along the space outerpace radially of condensation impeller need design greatlyyer, thereby causes the equipment overall volume huge, and the radial dimension along the condensation impeller of the bigger then equipment of rotating speed needs big more.The condensation impeller housing can link together with the condensation impeller shaft or link together with the condensation impeller shaft through parts such as design connecting rods through the condensation impeller blade.The former can be designed to uncovered version with the condensation impeller housing, and the port that shell opens wide forms air inlet, and the unobstructed property when steam gets into is better.
As preferably, the outer end of condensation impeller blade is sealedly connected on the inner surface of condensation impeller housing.When the rotation speed change of condensation impeller, the condensation fluid power is smooth and easy fully to be transferred to the apocenosis passage from condensation blade blade.
As preferably, apocenosis passage recedes along condensation wheel rotation direction.Traffic direction when pure liquid leaves the condensation impeller blade is for along condensation wheel rotation direction backward, and this design can make pure flow smooth and easy when going out apocenosis passage, can not produce backflow.
Preferred as another, the condensation impeller blade passes the condensation impeller housing through said apocenosis passage.Pure fluid power leaves the steam through hole enough fully, can not fall into steam and produce double evaporation-cooling and influence condensation efficiency.
As preferably, the end that the condensation impeller blade passes the condensation impeller housing is provided with along the sweptback guide face of condensation wheel rotation direction.It is smooth and easy more in addition when pure liquid leaves the condensation impeller blade.
As preferably; Be provided with liquid storage cylinder in the said condensation impeller shaft; The inner of condensation impeller blade wears in the said liquid storage cylinder; The flanging that the inner of condensation impeller blade is provided with the blade part inlet opening and bends forward along condensation wheel rotation direction forms crack between flanging and the condensation impeller blade, and crack and blade part inlet opening constitute said feed pathway.In the use, heat-absorbing medium flows on the surface in the place ahead that is positioned at condensation wheel rotation direction of condensation impeller blade through inlet opening and crack successively.In the process of condensation wheel rotation, the pressure of the liquid in the inlet opening is little, and liquid can not produce backwash when flowing on the surface of condensation impeller blade, makes liquid to spread out better on the condensation impeller blade.
The said condensation impeller housing of the utility model is provided with the gas outlet; The outer end of gas outlet is provided with exhaust impeller; Said exhaust impeller comprises exhaust impeller rotating shaft and the some exhaust impeller blades that drive through the exhaust impeller rotating shaft, and the exhaust impeller blade is along the circumferential distribution of exhaust impeller rotating shaft.Exhaust impeller plays the effect that on-condensible gas and the steam that is not condensed is expelled the condensation impeller, can produce negative pressure in the outlet side of steam channel simultaneously, flows along steam channel with the guiding steam, helps the lifting of condensation effect.
The utility model also comprises installation room; Installation room is provided with steam-gas inlet and cooling chamber; Steam-gas inlet is docking together with the air inlet on the condensation impeller housing; Cooling chamber is provided with by what the cooling locular wall formed towards the cooling chamber internal protrusion and is positioned at the pit on the cooling chamber outer surface, and said exhaust impeller is contained in the said pit, and the diapire of pit is provided with the tracheae that runs through cooling chamber.The air inlet of steam on steam-gas inlet, condensation impeller housing gets into steam channel and is condensed during use; The cold liquid of in cooling chamber, packing into makes that the temperature of pit wall is lower, and the steam that flows out steam channel is condensed with the contact of pit wall under the effect of exhaust impeller.Can make condensation more thorough, guarantee the fluency when steam flows simultaneously better in steam channel.On-condensible gas is discharged installation room through tracheae.Condensed water is collected in the installation room.
The surface of said condensation impeller blade is provided with the ditch of some axial distribution along the condensation impeller, and the port of export that the outer end of said bank condensation impeller blade begins to extend to feed pathway is docking together.In the use, heat-absorbing medium flows on condensation impeller blade surface through ditch, can play the effect that prevents double evaporation-cooling.
As preferably, exhaust impeller and the coaxial setting of condensation impeller and rotate synchronously, exhaust impeller blade and condensation impeller blade stagger.Above the condensation impeller, form the effective and compact conformation of negative pressuren zone.
The utlity model has following advantage; Make cooling medium tile on the condensation impeller blade continuously and leave through rotate producing centrifugal action; Realized the direct contact heat-exchanging of steam, so good effect of heat exchange and heat transfer rate are fast with cooling medium, convenient when pure liquid is collected; Because cooling medium is that flow and position in steam ceaselessly changes during condensation, therefore to the condensation uniform and complete of steam; The utility model of direct heat transfer formula steam condensing unit, the heat that discharges when making condensation is recovered utilization and can be achieved.
Description of drawings
Fig. 1 is the sketch map of the utility model embodiment one.
Fig. 2 is A-A cross-sectional schematic of Fig. 1.
Fig. 3 is the local enlarged diagram at the B place of Fig. 2.
Fig. 4 is the sketch map of the condensation impeller of the utility model embodiment two.
Among the figure: installation room 1, steam-gas inlet 11, reservoir 12, pure liquid discharging valve port 121, pure liquid drain valve 122, cooling chamber 13, pit 131; Heat-absorbing medium inlet 132, cavity 14, exhaust outlet 15, air bleeding valve 151, tracheae 16, cooling device 2, condensation impeller 3; Condensation impeller blade 31, blade part inlet opening 311, flanging 312, crack 313, the surface 314 of the front side that is positioned at condensation wheel rotation direction of condensation impeller blade, ditch 315; Impeller shaft 32, liquid storage cylinder 321, fluid hole 322, lid 323, shaft inlet opening 324, condensation impeller housing 33; Apocenosis passage 331, air inlet 332, gas outlet 333, steam channel 34, CD-ROM drive motor 35, feed pathway 36; Gas impeller 4, exhaust impeller rotating shaft 41, exhaust impeller blade 42, liquid distribution pipe 5, liquid distribution pipe portion inlet opening 51, bracing frame 6.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further described.
Embodiment one, and referring to Fig. 1, a kind of direct heat transfer formula steam condensing unit comprises installation room 1, cooling device 2, condensation impeller 3 and exhaust impeller 4.
The bottom of installation room 1 is provided with steam-gas inlet 11 and reservoir 12.Reservoir 12 is provided with pure liquid discharging valve port 121.Pure liquid discharging valve port 121 is provided with pure liquid drain valve 122.The upper end of installation room 1 is provided with cooling chamber 13.The diapire of cooling chamber 13 forms the pit 131 that is positioned on the cooling chamber outer surface towards the cooling chamber internal protrusion.Exhaust impeller 4 is contained in the pit 131.The diapire of pit 131 is provided with the tracheae 16 of many perforation cooling chambers 13.The wall portion of cooling chamber 13 is provided with heat-absorbing medium inlet 132.Cooling device 2 is positioned at the outside of installation room 1.Cooling device 2 is a heat exchanger.The arrival end of cooling device 2 links together with pure liquid floss hole 121 through pipeline, and the port of export of cooling device 2 is docking together with heat-absorbing medium inlet 132 through pipeline.The outside of installation room 1 is provided with cavity 14.Cavity 14 is provided with exhaust outlet 15.Exhaust outlet 15 is provided with air bleeding valve 151.The port of export of tracheae 16 is connected together through cavity 4.
Be provided with liquid storage cylinder 321 in the condensation impeller shaft 32.The inner of condensation impeller blade 31 wears in the liquid storage cylinder 321.Condensation impeller blade 31 and affixed the linking together of condensation impeller shaft 32 sealings.Condensation impeller blade 31 seals through the mode of welding with condensation impeller shaft 32 and is fixed together.The inner of condensation impeller blade 31 is provided with a plurality of blade part inlet openings 311.Blade part inlet opening 311 is along the axial distribution of condensation impeller shaft 32.The outer end of condensation impeller blade 31 is welded on the inner surface of condensation impeller housing 33.Form axially extended steam channel 34 between the adjacent condensation impeller blade 31 along the condensation impeller shaft.Condensation impeller housing 33 all opens wide form air inlet 332 and gas outlet 333 for two ends up and down.Air inlet 332 with steam-gas inlet 11 sealed butt joint together.Condensation impeller housing 33 is provided with apocenosis passage 331.Condensation impeller housing 33 can rotate with respect to steam-gas inlet 11.
Exhaust impeller 4 is positioned on the outer end of gas outlet 333.Exhaust impeller 4 comprises exhaust impeller rotating shaft 41 and is fixed in the some exhaust impeller blades 42 in the exhaust impeller rotating shaft 41.Exhaust impeller rotating shaft 41 and condensation impeller shaft 32 are coaxial and be structure as a whole.
Be equipped with liquid distribution pipe 5 in the exhaust impeller rotating shaft 41.The lower end of liquid distribution pipe 5 reaches in the liquid storage cylinder 321.The upper end of liquid distribution pipe 5 reaches in the cooling chamber 13.Seal between the wall portion of liquid distribution pipe 5 with cooling chamber 5 and be fixed together.Liquid distribution pipe 5 is provided with the liquid distribution pipe portion inlet opening 51 that is communicated with cooling chamber 5 and liquid distribution pipe 5 inside.
Referring to Fig. 2, condensation impeller blade 31 is along the circumferential distribution of condensation impeller shaft 32.C was to the flanging 312 of bending forward during the inner of condensation impeller blade 31 was provided with and promptly schemes along condensation wheel rotation direction.Condensation impeller housing 33 is fixed together with condensation impeller shaft 32 through condensation impeller blade 31.The surface 314 of the front side that is positioned at condensation wheel rotation direction of condensation impeller blade is with the entrance point alignment of apocenosis passage 331.Apocenosis passage 331 recedes along condensation wheel rotation direction.Exhaust impeller blade 42 is along the circumferential distribution of exhaust impeller rotating shaft 41.The outer end of exhaust impeller blade 42 exceeds the outer surface of condensation impeller housing 33.Exhaust impeller blade 42 staggers with condensation impeller blade 31.
Referring to Fig. 3, form crack 313 between flanging 312 and the condensation impeller blade 31.Crack 313 constitutes feed pathway 36 with blade part inlet opening 311.
During use, referring to Fig. 1 and Fig. 2, CD-ROM drive motor 35 drive condensation impeller shaft 32 according to the C among Fig. 2 to rotation.Condensation impeller shaft 32 drives condensation impeller blade 31, condensation impeller housing 33, feed pathway 36, exhaust impeller rotating shaft 41 and exhaust impeller blade 42 and rotates synchronously.The pure liquid of low temperature in the cooling chamber 13 gets in the liquid storage cylinder 321 behind liquid distribution pipe portion inlet opening 51, liquid distribution pipe 5 successively; Arrive and spreading out under the action of centrifugal force on the surface 314 in the front side that is positioned at condensation wheel rotation direction of condensation impeller blade through feed pathway 36 then, shed the top of reservoir 12 and under the gravity effect, converge in the reservoir 12 from the outer end of condensation impeller blade 31 and through dosing passage 331 at last.Steam gets into from steam-gas inlet 11; Under the effect of pressure reduction, rise then and flow through steam channel 34; Steam flow is crossed and is produced heat exchange with the pure liquid of condensation impeller blade 31 lip-deep low temperature in the process of steam channel 34 and be condensed, and the pure liquid that produces enters in the reservoir 12.Pure liquid part in the reservoir 12 is through pure liquid drain valve 122 dischargings, and another part is cooled and gets back in the cooling chamber 13 after device 2 is lowered the temperature.It is the outlet side of steam channel 34 that on-condensible gas and the steam that is not condensed are deflated the top that impeller 4 expels condensation impeller 3; Help the formation of pressure reduction; Leave installation room 1 through tracheae 16 then; In the process of leaving, the gas pit 131 of can flowing through, making does not have the steam of condensation to be condensed yet.
Embodiment two, referring to Fig. 4, with the difference of embodiment one are: all be provided with many ditches 315 along the axial distribution of condensation impeller on the surface of each sheet condensation impeller blade 31.The port of export that ditch 315 begins to extend to fluid hole 322 along the outer end of condensation impeller blade 31 is docking together.Fluid hole 322 is arranged on the condensation impeller shaft 32.Condensation impeller blade 31 passes apocenosis passage 331.D was to sweptback guide face 315 during the end that condensation impeller blade 31 passes condensation impeller housing 33 was provided with and promptly schemes along condensation wheel rotation direction.Condensation impeller blade 31 is welded on the outer surface of condensation impeller shaft 32.The inner surface of condensation impeller shaft 32 is provided with the lid 323 that covers on fluid hole 322 the inners, and lid is provided with shaft inlet opening 324.Feed pathway 36 is made up of shaft inlet opening 324, lid 323 and fluid hole 322.
Claims (10)
1. direct heat transfer formula steam condensing unit; It is characterized in that; Comprise the condensation impeller; Said condensation impeller comprises some condensation impeller blades, drives the condensation impeller shaft of condensation impeller blade rotation and carries the feed pathway of heat-absorbing medium to the lip-deep synchronous rotation of condensation impeller blade that the condensation impeller blade forms steam channel along the circumferential distribution of condensation impeller shaft between the adjacent condensation impeller blade.
2. direct heat transfer formula steam condensing unit according to claim 1; It is characterized in that; Said condensation impeller is provided with the condensation impeller housing of synchronous rotation, the apocenosis passage that said condensation impeller housing is provided with air inlet and aligns away from condensation impeller shaft one end with the condensation impeller blade.
3. direct heat transfer formula steam condensing unit according to claim 2 is characterized in that the outer end of condensation impeller blade is sealedly connected on the inner surface of condensation impeller housing.
4. direct heat transfer formula steam condensing unit according to claim 3 is characterized in that apocenosis passage recedes along condensation wheel rotation direction.
5. direct heat transfer formula steam condensing unit according to claim 2 is characterized in that the condensation impeller blade passes the condensation impeller housing through said apocenosis passage.
6. direct heat transfer formula steam condensing unit according to claim 3 is characterized in that, the end that the condensation impeller blade passes the condensation impeller housing is provided with along the sweptback guide face of condensation wheel rotation direction.
7. according to claim 1 or 2 or 3 or 4 or 5 or 6 described direct heat transfer formula steam condensing units; It is characterized in that; Be provided with liquid storage cylinder in the said condensation impeller shaft, the inner of condensation impeller blade wears in the said liquid storage cylinder, the flanging that the inner of condensation impeller blade is provided with the blade part inlet opening and bends forward along condensation wheel rotation direction; Form crack between flanging and the condensation impeller blade, crack and blade part inlet opening constitute said feed pathway.
8. according to claim 2 or 3 or 4 or 5 or 6 described direct heat transfer formula steam condensing units; It is characterized in that; Said condensation impeller housing is provided with the gas outlet; The outer end of gas outlet is provided with exhaust impeller, and said exhaust impeller comprises exhaust impeller rotating shaft and the some exhaust impeller blades that drive through the exhaust impeller rotating shaft, and the exhaust impeller blade is along the circumferential distribution of exhaust impeller rotating shaft.
9. direct heat transfer formula steam condensing unit according to claim 8; It is characterized in that, comprise that also installation room, installation room are provided with steam-gas inlet and cooling chamber; Steam-gas inlet is docking together with the air inlet on the condensation impeller housing; Cooling chamber is provided with by what the cooling locular wall formed towards the cooling chamber internal protrusion and is positioned at the pit on the cooling chamber outer surface, and said exhaust impeller is contained in the said pit, and the diapire of pit is provided with the tracheae that runs through cooling chamber.
10. according to claim 1 or 2 or 3 or 4 or 5 or 6 described direct heat transfer formula steam condensing units; It is characterized in that; The surface of said condensation impeller blade is provided with the ditch of some axial distribution along the condensation impeller, and the port of export that the outer end of said bank condensation impeller blade begins to extend to feed pathway is docking together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201371537U CN202532910U (en) | 2012-04-01 | 2012-04-01 | Direct heat exchange-type steam condensing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201371537U CN202532910U (en) | 2012-04-01 | 2012-04-01 | Direct heat exchange-type steam condensing device |
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| Publication Number | Publication Date |
|---|---|
| CN202532910U true CN202532910U (en) | 2012-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201371537U Expired - Lifetime CN202532910U (en) | 2012-04-01 | 2012-04-01 | Direct heat exchange-type steam condensing device |
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| Country | Link |
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| CN (1) | CN202532910U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102679759A (en) * | 2012-04-01 | 2012-09-19 | 傅利江 | Direct heat exchange type steam condensing device |
| CN111228844A (en) * | 2020-02-29 | 2020-06-05 | 魏九宝 | Gas condensation separation equipment |
-
2012
- 2012-04-01 CN CN2012201371537U patent/CN202532910U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102679759A (en) * | 2012-04-01 | 2012-09-19 | 傅利江 | Direct heat exchange type steam condensing device |
| CN102679759B (en) * | 2012-04-01 | 2013-09-18 | 傅利江 | Direct heat exchange type steam condensing device |
| WO2013149503A1 (en) * | 2012-04-01 | 2013-10-10 | Fu Lijiang | Direct heat exchange type steam condensing device |
| CN111228844A (en) * | 2020-02-29 | 2020-06-05 | 魏九宝 | Gas condensation separation equipment |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121114 Effective date of abandoning: 20130918 |
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| RGAV | Abandon patent right to avoid regrant |