CN220436830U - Evaporative condenser for centrifugal water chilling unit - Google Patents
Evaporative condenser for centrifugal water chilling unit Download PDFInfo
- Publication number
- CN220436830U CN220436830U CN202322078849.8U CN202322078849U CN220436830U CN 220436830 U CN220436830 U CN 220436830U CN 202322078849 U CN202322078849 U CN 202322078849U CN 220436830 U CN220436830 U CN 220436830U
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- filter screen
- shell
- transfer
- evaporative condenser
- secondary filter
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 230000001360 synchronised effect Effects 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 6
- 244000309464 bull Species 0.000 claims description 5
- 239000012535 impurity Substances 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 9
- 239000007921 spray Substances 0.000 abstract description 7
- 238000001816 cooling Methods 0.000 abstract description 5
- 238000009825 accumulation Methods 0.000 abstract description 2
- 238000007790 scraping Methods 0.000 description 8
- 230000000994 depressogenic effect Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000005507 spraying Methods 0.000 description 5
- 239000000498 cooling water Substances 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 238000004064 recycling Methods 0.000 description 4
- 239000003507 refrigerant Substances 0.000 description 4
- 239000010865 sewage Substances 0.000 description 4
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
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- Filtration Of Liquid (AREA)
Abstract
The utility model discloses an evaporative condenser for a centrifugal water chilling unit, which relates to the field of evaporative condensers and comprises a shell, wherein a limiting frame is arranged on the inner side of the shell and close to the lower side of the shell, a primary filter screen and a secondary filter screen are fixed on the inner side of the limiting frame from top to bottom, each of the primary filter screen and the secondary filter screen comprises a protruding part and a recessed part, the protruding part and the recessed part are connected end to form a corrugated structure, and rotating rods are arranged on the inner side of the recessed part. The inner side of the concave part is provided with a plurality of groups of first transfer scrapers and second transfer scrapers which can synchronously rotate with the rotating rod from front to back. The utility model improves the purity of the recycled spray water and improves the cooling effect. The primary filter screen and the secondary filter screen all comprise the adopted combination structure of the protruding part and the concave part, have guiding effect on impurities, reduce the area occupied by impurity accumulation and improve the smoothness of subsequent water flow falling.
Description
Technical Field
The utility model relates to the field of evaporative condensers, in particular to an evaporative condenser for a centrifugal water chilling unit.
Background
The evaporative condenser mainly utilizes the evaporation of part of water to take away the heat released in the condensation process of the gaseous refrigerant, the high-temperature gaseous refrigerant enters the coil from the refrigerant inlet at the upper part of the coil, exchanges heat with spray water and air outside the coil, is gradually condensed into a liquid state from the gaseous state, and flows out from the refrigerant outlet at the lower part. The cooling water is pumped to a spraying system above the condensing coil by a water pump, is uniformly sprayed on the outer surface of the condensing coil by a water distributor to form a layer of very thin water film, the temperature of the sprayed water and air rises after absorbing heat, part of the water is changed into a gas state from a liquid state, a large amount of heat is taken away by evaporation latent heat, and the rest of the water falls back to a water collecting tank at the lower part and is sent to the spraying system by a circulating water pump for recycling.
The existing evaporative condenser applied to the centrifugal water chilling unit is large in size, dust is easily accumulated on the surface of a cooling coil in the long-term use process, when spray water is in contact with the coil, a large amount of dust impurities are easily doped in the process of water liquid descending, recycling and reutilization, impurities adhere to the surface of the coil again in the long-term spraying process, the heat dissipation effect is affected, the existing filter screen cleaning mode is implemented on sewage, the filter screen is easy to block along with the continuous flow of the spray water, and the speed of water falling, recycling and reutilization of the spray water is affected.
Disclosure of Invention
To above-mentioned problem, this application provides an evaporative condenser for centrifugal chiller.
In order to achieve the above purpose, the present application provides the following technical solutions: the utility model provides an evaporation condenser for centrifugal chiller, includes the casing, spacing frame is all installed to the inboard of casing and lean on the below, the inboard of spacing frame is fixed with one-level filter screen, second grade filter screen from top to bottom, one-level filter screen, second grade filter screen all include bellying and depressed part, bellying, depressed part end to end form corrugated structure, the inboard of depressed part all is provided with the bull stick.
The inner side of the concave part is provided with a plurality of groups of first transfer scrapers and second transfer scrapers which can synchronously rotate with the rotating rod from front to back, and the first transfer scrapers and the second transfer scrapers are attached to the surface of the concave part.
Further, the surfaces of the first transfer scraping plate and the second transfer scraping plate are respectively fixedly connected with a first connecting rod and a second connecting rod, the end parts of the first connecting rod and the second connecting rod are fixedly provided with the same extension rod, the end parts of the extension rods are fixedly connected with an alignment sleeve, and the alignment sleeve is detachably arranged on the surface of the rotating rod.
Further, the primary filter screen and the secondary filter screen are symmetrically distributed from top to bottom, and the convex parts on the surface of the primary filter screen correspond to the concave parts on the surface of the secondary filter screen below.
Further, the end parts of the rotating rods on the inner sides of the upper concave part and the lower concave part which are distributed in an inclined way penetrate through the limiting frame and the shell, one ends of the upper rotating rod and the lower rotating rod are respectively connected with a driven rotating wheel and a driving rotating wheel, the driven rotating wheel and the driving rotating wheel are connected through a synchronous belt, and a servo motor capable of driving the driven rotating wheel to rotate is arranged at the axle center of the driving rotating wheel.
Furthermore, a water return pipeline is arranged on the outer side wall of the shell, the lower ends of the water return pipelines are communicated with the inner space of the shell, and an electric control pump is arranged at the lower ends of the water return pipelines and used for leading out and reutilizing water liquid at the bottom of the inner cavity of the shell.
Further, a shield is arranged on the surface of the shell, the driving rotating wheel, the driven rotating wheel and the synchronous belt are all arranged on the inner side of the shield, the servo motor is arranged on the outer surface of the shield, and a main shaft of the servo motor penetrates through the shield and is connected with the driving rotating wheel.
In summary, the utility model has the technical effects and advantages that:
the utility model can lead the spray water which absorbs heat to fall to pass through the first-stage filter screen and the second-stage filter screen to be fully filtered, thereby improving the purity of the recycled water liquid and the cooling effect. The primary filter screen and the secondary filter screen all adopt the combined structure of the protruding part and the recessed part, have guiding effect on impurities, reduce the area occupied by impurity accumulation, and improve the smoothness of subsequent water flow falling. Further, the first transfer scraping plate and the second transfer scraping plate can continuously rotate to transfer impurities located on the inner side of the concave portion, the impurities fall into the inner side of the concave portion again after moving, the area of the smooth parts of the primary filter screen and the secondary filter screen is increased, and the filtering efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic perspective view of the present utility model.
Fig. 2 is a schematic view of the structure of the shell of the present utility model in a cut-away.
FIG. 3 is a schematic diagram of the structure of the primary filter screen and the secondary filter screen of the present utility model.
FIG. 4 is a schematic view showing the relative positions of the first transfer blade, the second transfer blade and the concave portion.
Fig. 5 is an enlarged schematic view of the portion a in fig. 4 according to the present utility model.
In the figure: 1. a housing; 101. a water return pipe; 102. an electric control pump; 103. a shield; 2. a limit frame; 3. a first-stage filter screen; 4. a secondary filter screen; 5. a rotating rod; 6. a contraposition sleeve; 7. an extension rod; 71. a first articulation rod; 72. a second articulation rod; 8. a first transfer flight; 9. a second transfer blade; 10. a driving rotating wheel; 11. a driven rotating wheel; 12. a synchronous belt; 13. a servo motor.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples: referring to fig. 1, fig. 2 and fig. 3, the evaporative condenser for the centrifugal water chilling unit comprises a shell 1, wherein a limiting frame 2 is arranged on the inner side of the shell 1 and close to the lower side, a primary filter screen 3 and a secondary filter screen 4 are fixed on the inner side of the limiting frame 2 from top to bottom, cooling water sprayed by a spraying structure on the inner side of the shell 1 falls into contact with a cooling calandria, and the super strong wind power of a fan enables spray water to completely and uniformly cover the surface of a coil pipe, so that the heat exchange effect is greatly improved. The water absorbing the heat falls through the primary filter screen 3 and the secondary filter screen 4 and is fully filtered, so that the purity of the recycled water is improved, and the cooling effect is improved.
The primary filter screen 3, the secondary filter screen 4 all include bellying and depressed part, bellying, depressed part end to end form the ripple form structure, and the ripple form structure can make the impurity of being detained at the surface of primary filter screen 3, secondary filter screen 4 be guided to the depressed part inboard under the action of gravity, has improved the unblocked nature of follow-up rivers whereabouts, and the space that the rivers whereabouts is left all the time to primary filter screen 3, secondary filter screen 4, and the inboard of depressed part all is provided with bull stick 5.
The inner side of the concave part is provided with a plurality of groups of first transfer scrapers 8 and second transfer scrapers 9 which can synchronously rotate with the rotating rod 5 from front to back, and the first transfer scrapers 8 and the second transfer scrapers 9 are attached to the surface of the concave part. The first transfer scraper 8 and the second transfer scraper 9 can continuously transfer impurities positioned on the inner side of the concave part in the rotation process, and the impurities fall into the inner side of the concave part after moving, so that the area of the smooth parts of the primary filter screen 3 and the secondary filter screen 4 is increased, and the filtering efficiency is improved.
As shown in fig. 4 and 5, the surfaces of the first transfer scraper 8 and the second transfer scraper 9 are respectively and fixedly connected with a first connecting rod 71 and a second connecting rod 72, the end parts of the first connecting rod 71 and the second connecting rod 72 are fixedly connected with the same extension rod 7, the end part of the extension rod 7 is fixedly connected with an alignment sleeve 6, and the alignment sleeve 6 is detachably arranged on the surface of the rotating rod 5. The first connecting rod 71, the second connecting rod 72 and the extension rod 7 form a Y-shaped structure, so that the structural strength of the first connecting rod 71, the second connecting rod 72 and the extension rod is improved when the first connecting rod, the second connecting rod and the extension rod are connected with the first transfer scraping plate 8 and the second transfer scraping plate 9, and the stability of the first transfer scraping plate 8 and the second transfer scraping plate 9 in the process of long-term water flow impact receiving is ensured.
As shown in fig. 4, the primary filter screen 3 and the secondary filter screen 4 are symmetrically distributed from top to bottom, and the convex parts on the surface of the primary filter screen 3 correspond to the concave parts on the surface of the secondary filter screen 4 below. When the shower water flows down and is filtered by the primary filter screen 3 and the secondary filter screen 4 in sequence, the cooling water falling down through the concave parts on the surface of the primary filter screen 3 falls onto the convex parts of the secondary filter screen 4 again.
In the process of carrying out secondary filtering operation on sewage by the secondary filter screen 4, the filtered impurities fall into the inner side of the concave part below again, so that the falling speed of the sewage can be improved, the phenomenon that the sewage which falls into the concave part below and flows slowly due to the superposition of the upper concave part and the lower concave part is avoided, and the comprehensiveness of filtering work is improved.
As shown in fig. 3, the ends of the rotating rods 5 inside the upper and lower concave portions distributed in an inclined manner penetrate through the limiting frame 2 and the shell 1, one ends of the upper and lower rotating rods 5 are respectively connected with a driven rotating wheel 11 and a driving rotating wheel 10, the driven rotating wheel 11 and the driving rotating wheel 10 are connected through a synchronous belt 12, and a servo motor 13 capable of driving the driving rotating wheel 10 to rotate is installed at the axis of the driving rotating wheel 10. The servo motor 13 is in communication connection with the PLC, the PLC can control the power-on operation of the servo motor 13, the servo motor 13 can drive the driving rotating wheel 10 to rotate, and under the connection effect of the synchronous belt 12, the driven rotating wheel 11 can be controlled to rotate so as to achieve the purpose of controlling the synchronous rotation of the upper rotating rod 5 and the lower rotating rod 5.
As shown in fig. 1 and 2, a water return pipe 101 is installed on the outer side wall of the casing 1, the lower end of the water return pipe 101 is communicated with the inner space of the casing 1, an electric control pump 102 is installed at the lower end of the water return pipe 101, the electric control pump 102 is in communication connection with a PLC controller, the PLC controller can operate the electric control pump to conduct electricity running, water at the bottom of the inner cavity of the casing 1 is led out to spraying equipment (not shown in the figure) above the inner cavity of the casing 1, and the recycling of cooling water is realized.
As shown in fig. 1 and 2, a shroud 103 is mounted on the surface of the housing 1, the driving runner 10, the driven runner 11 and the synchronous belt 12 are all mounted on the inner side of the shroud 103, a servo motor 13 is mounted on the outer surface of the shroud 103, and a main shaft of the servo motor 13 penetrates through the shroud 103 to be connected with the driving runner 10.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (6)
1. The utility model provides a centrifugal chiller is evaporative condenser for group, includes casing (1), its characterized in that: the novel filter comprises a shell (1), wherein a limiting frame (2) is arranged on the inner side of the shell and is close to the lower side of the shell, a primary filter screen (3) and a secondary filter screen (4) are fixed on the inner side of the limiting frame (2) from top to bottom, the primary filter screen (3) and the secondary filter screen (4) comprise a protruding part and a recessed part, the protruding part and the recessed part are connected end to form a corrugated structure, and a rotating rod (5) is arranged on the inner side of the recessed part;
the inner side of the concave part is provided with a plurality of groups of first transfer scrapers (8) and second transfer scrapers (9) which can synchronously rotate with the rotating rod (5) from front to back, and the first transfer scrapers (8) and the second transfer scrapers (9) are attached to the surface of the concave part.
2. The evaporative condenser for a centrifugal chiller according to claim 1 wherein: the surface of first transfer scraper blade (8), second transfer scraper blade (9) is fixedly connected with first head rod (71) and second head rod (72) respectively, the tip of first head rod (71) and second head rod (72) is fixed with same extension rod (7), the tip fixedly connected with of extension rod (7) counterpoint cover (6), counterpoint cover (6) dismantlement formula is installed in the surface of bull stick (5).
3. The evaporative condenser for a centrifugal chiller according to claim 1 wherein: the primary filter screen (3) and the secondary filter screen (4) are symmetrically distributed from top to bottom, and the convex parts on the surface of the primary filter screen (3) correspond to the concave parts on the surface of the secondary filter screen (4) below.
4. The evaporative condenser for a centrifugal chiller according to claim 1 wherein: the tip of the inboard bull stick (5) of recess of two about slope distribution all runs through in spacing frame (2) and casing (1), and two about the one end of bull stick (5) is connected with driven runner (11) and initiative runner (10) respectively, driven runner (11), initiative runner (10) are connected through hold-in range (12), and the axle center department of initiative runner (10) installs servo motor (13) that can drive its pivoted.
5. The evaporative condenser for a centrifugal chiller according to claim 1 wherein: the water return pipeline (101) is arranged on the outer side wall of the shell (1), the lower ends of the water return pipeline (101) are communicated with the inner space of the shell (1), and the electric control pump (102) is arranged at the lower end of the water return pipeline (101) and used for leading out and reutilizing water liquid at the bottom of the inner cavity of the shell (1).
6. The evaporative condenser for a centrifugal chiller according to claim 4 wherein: the motor is characterized in that a shield (103) is arranged on the surface of the shell (1), the driving rotating wheel (10), the driven rotating wheel (11) and the synchronous belt (12) are all arranged on the inner side of the shield (103), the servo motor (13) is arranged on the outer surface of the shield (103), and a main shaft of the servo motor (13) penetrates through the shield (103) and is connected with the driving rotating wheel (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322078849.8U CN220436830U (en) | 2023-08-03 | 2023-08-03 | Evaporative condenser for centrifugal water chilling unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322078849.8U CN220436830U (en) | 2023-08-03 | 2023-08-03 | Evaporative condenser for centrifugal water chilling unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220436830U true CN220436830U (en) | 2024-02-02 |
Family
ID=89700048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322078849.8U Active CN220436830U (en) | 2023-08-03 | 2023-08-03 | Evaporative condenser for centrifugal water chilling unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220436830U (en) |
-
2023
- 2023-08-03 CN CN202322078849.8U patent/CN220436830U/en active Active
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